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Genome-wide association study

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51: 278:: suppose that there are two alleles, T and C. The number of individuals in the case group having allele T is represented by 'A' and the number of individuals in the control group having allele T is represented by 'B'. Similarly, the number of individuals in the case group having allele C is represented by 'X' and the number of individuals in the control group having allele C is represented by 'Y'. In this case the odds ratio for allele T is A:B (meaning 'A to B', in standard odds terminology) divided by X:Y, which in mathematical notation is simply (A/B)/(X/Y). 435: 224: 4807: 4490: 4422: 3880: 3830: 3738: 3420: 3272: 252: 140: 411: 337: 345: 572:. Some have found that the accuracy of prognosis improves, while others report only minor benefits from this use. Generally, a problem with this direct approach is the small magnitudes of the effects observed. A small effect ultimately translates into a poor separation of cases and controls and thus only a small improvement of prognosis accuracy. An alternative application is therefore the potential for GWA studies to elucidate 328:) might contribute to complex diseases. Due to the potentially exponential number of interactions, detecting statistically significant interactions in GWAS data is both computationally and statistically challenging. This task has been tackled in existing publications that use algorithms inspired from data mining. Moreover, the researchers try to integrate GWA data with other biological data such as 819:, but a modified manuscript was later published. Now, many GWAS control for genotyping array. If there are substantial differences between groups on the type of genotyping array, as with any confounder, GWA studies could result in a false positive. Another consequence is that such studies are unable to detect the contribution of very rare mutations not included in the array or able to be imputed. 876: 357:
methods that impute genotypic data to a set of reference panel of haplotypes, which typically have been densely genotyped using whole-genome sequencing. These methods take advantage of sharing of haplotypes between individuals over short stretches of sequence to impute alleles. Existing software packages for genotype imputation include IMPUTE2, Minimac, Beagle and MaCH.
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In addition to easily correctible problems such as these, some more subtle but important issues have surfaced. A high-profile GWA study that investigated individuals with very long life spans to identify SNPs associated with longevity is an example of this. The publication came under scrutiny because
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gene, encoding interferon lambda 3, are associated with significant differences in response to the treatment. A later report demonstrated that the same genetic variants are also associated with the natural clearance of the genotype 1 hepatitis C virus. These major findings facilitated the development
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setup, which compares two large groups of individuals, one healthy control group and one case group affected by a disease. All individuals in each group are typically genotyped at common known SNPs. The exact number of SNPs depends on the genotyping technology, but are typically one million or more.
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GWA studies act as an important tool in plant breeding. With large genotyping and phenotyping data, GWAS are powerful in analyzing complex inheritance modes of traits that are important yield components such as number of grains per spike, weight of each grain and plant structure. In a study on GWAS
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the results. Sex, age, and ancestry are common examples of confounding variables. Moreover, it is also known that many genetic variations are associated with the geographical and historical populations in which the mutations first arose. Because of this association, studies must take account of the
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to provide coverage of the entire genome by genotyping a subset of variants. Because of this, the reported associated variants are unlikely to be the actual causal variants. Associated regions can contain hundreds of variants spanning large regions and encompassing many different genes, making the
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Fine-mapping requires all variants in the associated region to have been genotyped or imputed (dense coverage), very stringent quality control resulting in high-quality genotypes, and large sample sizes sufficient in separating out highly correlated signals. There are several different methods to
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A central point of debate on GWA studies has been that most of the SNP variations found by GWA studies are associated with only a small increased risk of the disease, and have only a small predictive value. The median odds ratio is 1.33 per risk-SNP, with only a few showing odds ratios above 3.0.
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of genotypes at SNPs not on the genotype chip used in the study. This process greatly increases the number of SNPs that can be tested for association, increases the power of the study, and facilitates meta-analysis of GWAS across distinct cohorts. Genotype imputation is carried out by statistical
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for a particular trait or disease. These participants may be people with a disease (cases) and similar people without the disease (controls), or they may be people with different phenotypes for a particular trait, for example blood pressure. This approach is known as phenotype-first, in which the
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Additionally, GWA studies identify candidate risk variants for the population from which their analysis is performed, and with most GWA studies historically stemming from European databases, there is a lack of translation of the identified risk variants to other non-European populations. For
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Since these first landmark GWA studies, there have been two general trends. One has been towards larger and larger sample sizes. In 2018, several genome-wide association studies are reaching a total sample size of over 1 million participants, including 1.1 million in a genome-wide study of
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Carré C, Carluer JB, Chaux C, Estoup-Streiff C, Roche N, Hosy E, Mas A, Krouk G (March, 2024). "Next-Gen GWAS: full 2D epistatic interaction maps retrieve part of missing heritability and improve phenotypic prediction". Genome biology. doi:10.1186/s13059-024-03202-0. PMID 38523316. S2CID
713:. While the evidence supporting the genetic basis of schizophrenia is not controversial, one study found that 25 candidate schizophrenia genes discovered from GWAS had little association with schizophrenia, demonstrating that GWAS alone may be insufficient to identify candidate genes. 195:
is found more often than expected in individuals with the phenotype of interest (e.g. with the disease being studied). Early calculations on statistical power indicated that this approach could be better than linkage studies at detecting weak genetic effects.
289:. Finding odds ratios that are significantly different from 1 is the objective of the GWA study because this shows that a SNP is associated with disease. Because so many variants are tested, it is standard practice to require the p-value to be lower than 787:
The first GWA study in chickens was done by Abasht and Lamont in 2007. This GWA was used to study the fatness trait in F2 population found previously. Significantly related SNPs were found are on 10 chromosomes (1, 2, 3, 4, 7, 8, 10, 12, 15 and 27).
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to extract more informative results. Despite the previously perceived challenge posed by the vast number of SNP combinations, a recent study has successfully unveiled complete epistatic maps at a gene-level resolution in plants/Arabidopsis thaliana
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Ge D, Fellay J, Thompson AJ, Simon JS, Shianna KV, Urban TJ, Heinzen EL, Qiu P, Bertelsen AH, Muir AJ, Sulkowski M, McHutchison JG, Goldstein DB (September 2009). "Genetic variation in IL28B predicts hepatitis C treatment-induced viral clearance".
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perform fine-mapping, and all methods produce a posterior probability that a variant in that locus is causal. Because the requirements are often difficult to satisfy, there are still limited examples of these methods being more generally applied.
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to be significant in the face of hundreds of thousands to millions of tested SNPs. GWA studies typically perform the first analysis in a discovery cohort, followed by validation of the most significant SNPs in an independent validation cohort.
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Dubé JB, Johansen CT, Hegele RA (June 2011). "Sortilin: an unusual suspect in cholesterol metabolism: from GWAS identification to in vivo biochemical analyses, sortilin has been identified as a novel mediator of human lipoprotein metabolism".
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as a function of genomic location. Thus the SNPs with the most significant association stand out on the plot, usually as stacks of points because of haploblock structure. Importantly, the P-value threshold for significance is corrected for
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have posed serious threats to plant health and biodiversity. Under this consideration, identification of wild types that have the natural resistance to certain pathogens could be of vital importance. Furthermore, we need to predict which
625:. As a result, major GWA studies by 2011 typically included extensive eQTL analysis. One of the strongest eQTL effects observed for a GWA-identified risk SNP is the SORT1 locus. Functional follow up studies of this locus using 801:
are common problems. On the statistical issue of multiple testing, it has been noted that "the GWA approach can be problematic because the massive number of statistical tests performed presents an unprecedented potential for
455:, which was an unexpected finding in the research of ARMD. The findings from these first GWA studies have subsequently prompted further functional research towards therapeutical manipulation of the complement system in ARMD. 758:
in spring wheat, GWAS have revealed a strong correlation of grain production with booting data, biomass and number of grains per spike. GWA study is also a success in study genetic architecture of complex traits in rice.
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such as SNPTEST and PLINK, which also include support for many of these alternative statistics. GWAS focuses on the effect of individual SNPs. However, it is also possible that complex interactions among two or more SNPs
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Thomas DL, Thio CL, Martin MP, Qi Y, Ge D, O'Huigin C, Kidd J, Kidd K, Khakoo SI, Alexander G, Goedert JJ, Kirk GD, Donfield SM, Rosen HR, Tobler LH, Busch MP, McHutchison JG, Goldstein DB, Carrington M (October 2009).
175:, which can be anything from disease risk to physical properties such as height. Around the year 2000, prior to the introduction of GWA studies, the primary method of investigation was through inheritance studies of 272:. The odds ratio is the ratio of two odds, which in the context of GWA studies are the odds of case for individuals having a specific allele and the odds of case for individuals who do not have that same allele. 559:
and diagnostics development, including better integration of genetic studies into the drug-development process and a focus on the role of genetic variation in maintaining health as a blueprint for designing new
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GWA studies have several issues and limitations that can be taken care of through proper quality control and study setup. Lack of well defined case and control groups, insufficient sample size, control for
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Folkersen L, van't Hooft F, Chernogubova E, Agardh HE, Hansson GK, Hedin U, Liska J, Syvänen AC, Paulsson-Berne G, Paulssson-Berne G, Franco-Cereceda A, Hamsten A, Gabrielsen A, Eriksson P (August 2010).
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Illustration of a simulated genotype by phenotype regression for a single SNP. Each dot represents an individual. A GWAS of a continuous trait essentially consists of repeating this analysis at each SNP.
127:, these associations are very weak, but while each individual association may not explain much of the risk, they provide insight into critical genes and pathways and can be important when considered 123:
compared to healthy controls. As of 2017, over 3,000 human GWA studies have examined over 1,800 diseases and traits, and thousands of SNP associations have been found. Except in the case of rare
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Sebastiani P, Solovieff N, Dewan AT, Walsh KM, Puca A, Hartley SW, Melista E, Andersen S, Dworkis DA, Wilk JB, Myers RH, Steinberg MH, Montano M, Baldwin CT, Hoh J, Perls TT (18 January 2012).
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level is given by the left Y-axis. The dot representing the rs73015013 SNP (in the top-middle) has a high Y-axis location because this SNP explains some of the variation in LDL-cholesterol.
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biological interpretation of GWAS loci more difficult. Fine-mapping is a process to refine these lists of associated variants to a credible set most likely to include the causal variant.
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Attempts have been made at creating comprehensive catalogues of SNPs that have been identified from GWA studies. As of 2009, SNPs associated with diseases are numbered in the thousands.
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identified by HapMap project also allowed the focus on the subset of SNPs that would describe most of the variation. Also the development of the methods to genotype all these SNPs using
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Haines JL, Hauser MA, Schmidt S, Scott WK, Olson LM, Gallins P, Spencer KL, Kwan SY, Noureddine M, Gilbert JR, Schnetz-Boutaud N, Agarwal A, Postel EA, Pericak-Vance MA (April 2005).
464:(WTCCC) study, the largest GWA study ever conducted at the time of its publication in 2007. The WTCCC included 14,000 cases of seven common diseases (~2,000 individuals for each of 203:, which are repositories of human genetic material that greatly reduced the cost and difficulty of collecting sufficient numbers of biological specimens for study. Another was the 281:
When the allele frequency in the case group is much higher than in the control group, the odds ratio is higher than 1, and vice versa for lower allele frequency. Additionally, a
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Sebastiani P, Solovieff N, Puca A, Hartley SW, Melista E, Andersen S, Dworkis DA, Wilk JB, Myers RH, Steinberg MH, Montano M, Baldwin CT, Perls TT (July 2011). "Retraction".
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twins. For example, it is known that 40% of variance in depression can be explained by hereditary differences, but GWA studies only account for a minority of this variance.
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The first successful GWAS published in 2002 studied myocardial infarction. This study design was then implemented in the landmark GWA 2005 study investigating patients with
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Abasht B, Lamont SJ (October 2007). "Genome-wide association analysis reveals cryptic alleles as an important factor in heterosis for fatness in chicken F2 population".
3005:"Genome-wide association identifies nine common variants associated with fasting proinsulin levels and provides new insights into the pathophysiology of type 2 diabetes" 451:(ARMD) with 50 healthy controls. It identified two SNPs with significantly altered allele frequency between the two groups. These SNPs were located in the gene encoding 3730: 4364:
Sebastiani P, Solovieff N, Puca A, Hartley SW, Melista E, Andersen S, Dworkis DA, Wilk JB, Myers RH, Steinberg MH, Montano M, Baldwin CT, Perls TT (July 2010).
183:. However, for common and complex diseases the results of genetic linkage studies proved hard to reproduce. A suggested alternative to linkage studies was the 4974: 102:
GWA studies investigate the entire genome, in contrast to methods that specifically test a small number of pre-specified genetic regions. Hence, GWAS is a
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have been conducted primarily in Caucasian populations, which does not give adequate insight in other ethnic populations, including African Americans or
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Schena M, Shalon D, Davis RW, Brown PO (October 1995). "Quantitative monitoring of gene expression patterns with a complementary DNA microarray".
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Novembre J, Johnson T, Bryc K, Kutalik Z, Boyko AR, Auton A, Indap A, King KS, Bergmann S, Nelson MR, Stephens M, Bustamante CD (November 2008).
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Bauer RC, Stylianou IM, Rader DJ (April 2011). "Functional validation of new pathways in lipoprotein metabolism identified by human genetics".
460: 112:. GWA studies identify SNPs and other variants in DNA associated with a disease, but they cannot on their own specify which genes are causal. 1887: 1296: 775:
are associated with the resistance. GWA studies is a powerful tool to detect the relationships of certain variants and the resistance to the
843:-based GWA studies. High-throughput sequencing does have potential to side-step some of the shortcomings of non-sequencing GWA. Cross-trait 815:
in the case and control group, which caused several SNPs to be falsely highlighted as associated with longevity. The study was subsequently
2827:"Polygenic prediction of educational attainment within and between families from genome-wide association analyses in 3 million individuals" 2776:
Lee JJ, Wedow R, Okbay A, Kong E, Maghzian O, Zacher M, Nguyen-Viet TA, Bowers P, Sidorenko J, Karlsson Linnér R, et al. (July 2018).
894: 3595:"Association of genetic risk variants with expression of proximal genes identifies novel susceptibility genes for cardiovascular disease" 4820:
Border R, Athanasiadis G, Buil A, Schork AJ, Cai N, Young AI, Werge T, Flint J, Kendler KS, Sankararaman S, Dahl AW, Zaitlen NA (2022).
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is significantly altered between the case and the control group. In such setups, the fundamental unit for reporting effect sizes is the
2428:"Fine mapping of five loci associated with low-density lipoprotein cholesterol detects variants that double the explained heritability" 99:
with the disease. The associated SNPs are then considered to mark a region of the human genome that may influence the risk of disease.
816: 618: 308: 4943: 4732: 949: 4172:"GWAS for plant growth stages and yield components in spring wheat (Triticum aestivum L.) harvested in three regions of Kazakhstan" 2778:"Gene discovery and polygenic prediction from a genome-wide association study of educational attainment in 1.1 million individuals" 909: 1482:
The International HapMap Project, Gibbs RA, Belmont JW, Hardenbol P, Willis TD, Yu F, Yang H, Ch'Ang LY, Huang W (December 2003).
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levels. This type of plot is similar to the Manhattan plot in the lead section, but for a more limited section of the genome. The
447: 116: 2077:"A unified approach to genotype imputation and haplotype-phase inference for large data sets of trios and unrelated individuals" 706: 329: 47:(SNPs) and traits like major human diseases, but can equally be applied to any other genetic variants and any other organisms. 5038: 4967: 740:
planning. Utilizing GWA studies to determine adaptive genes could help elucidate the relationship between neutral and adaptive
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in different individuals to see if any variant is associated with a trait. GWA studies typically focus on associations between
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Ganapathiraju MK, Thahir M, Handen A, Sarkar SN, Sweet RA, Nimgaonkar VL, Loscher CE, Bauer EM, Chaparala S (27 April 2016).
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Relationship between the minor allele frequency and the effect size of genome wide significant variants in a GWAS of height.
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Liu JZ, Erlich Y, Pickrell JK (March 2017). "Case-control association mapping by proxy using family history of disease".
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The goal of elucidating pathophysiology has also led to increased interest in the association between risk-SNPs and the
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In addition to the calculation of association, it is common to take into account any variables that could potentially
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Research using a High-Precision Protein Interaction Prediction (HiPPIP) computational model that discovered 504 new
303:. A common alternative to case-control GWA studies is the analysis of quantitative phenotypic data, e.g. height or 4960: 504:
containing 1.3 million individuals. The reason is the drive towards reliably detecting risk-SNPs that have smaller
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In addition to the conceptual framework several additional factors enabled the GWA studies. One was the advent of
5169: 798: 366: 1083:"Functional SNPs in the lymphotoxin-alpha gene that are associated with susceptibility to myocardial infarction" 605:
of personalized medicine and allowed physicians to customize medical decisions based on the patient's genotype.
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and lower allele frequency. Another trend has been towards the use of more narrowly defined phenotypes, such as
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differ in millions of different ways. There are small variations in the individual nucleotides of the genomes (
4064:"No Evidence That Schizophrenia Candidate Genes Are More Associated With Schizophrenia Than Noncandidate Genes" 2479:"Potential etiologic and functional implications of genome-wide association loci for human diseases and traits" 1870:
Ayati M, Koyutürk M (1 January 2015). "Assessing the Collective Disease Association of Multiple Genomic Loci".
807: 473: 469: 390: 3636:"Abdominal aortic aneurysm is associated with a variant in low-density lipoprotein receptor-related protein 1" 5095: 5028: 4170:
Turuspekov Y, Baibulatova A, Yermekbayev K, Tokhetova L, Chudinov V, Sereda G, et al. (November 2017).
2886:"Genome-wide analysis of insomnia in 1,331,010 individuals identifies new risk loci and functional pathways" 634: 240: 80: 1483: 4806: 4489: 4421: 3879: 3829: 3737: 3419: 3271: 924: 919: 856: 824: 638: 497: 465: 223: 4774:"Evidence-based psychiatric genetics, AKA the false dichotomy between common and rare variant hypotheses" 2644:
Fridkis-Hareli M, Storek M, Mazsaroff I, Risitano AM, Lundberg AS, Horvath CJ, Holers VM (October 2011).
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Wittkowski KM, Sonakya V, Bigio B, Tonn MK, Shic F, Ascano M, Nasca C, Gold-Von Simson G (January 2014).
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These magnitudes are considered small because they do not explain much of the heritable variation. This
353: 168: 4223:"Genome-wide association mapping reveals a rich genetic architecture of complex traits in Oryza sativa" 3751:
Johnson T, Gaunt TR, Newhouse SJ, Padmanabhan S, Tomaszewski M, Kumari M, et al. (December 2011).
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genes to help evaluate ability of species to adapt to changing environmental conditions as the global
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Proceedings of the 6th ACM Conference on Bioinformatics, Computational Biology and Health Informatics
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Kathiresan S, Willer CJ, Peloso GM, Demissie S, Musunuru K, Schadt EE, et al. (January 2009).
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Llinares-López F, Grimm DG, Bodenham DA, Gieraths U, Sugiyama M, Rowan B, Borgwardt K (June 2015).
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Risch N, Merikangas K (September 1996). "The future of genetic studies of complex human diseases".
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Jansen PR, Watanabe K, Stringer S, Skene N, Bryois J, Hammerschlag AR, et al. (March 2019).
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Carré C, Carluer JB, Chaux C, Estoup-Streiff C, Roche N, Hosy E, Mas A, Krouk G (25 March 2024).
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Purcell S, Neale B, Todd-Brown K, Thomas L, Ferreira MA, Bender D, et al. (September 2007).
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Sanna S, Li B, Mulas A, Sidore C, Kang HM, Jackson AU, et al. (July 2011). Gibson G (ed.).
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One such success is related to identifying the genetic variant associated with response to anti-
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Hindorff LA, Sethupathy P, Junkins HA, Ramos EM, Mehta JP, Collins FS, Manolio TA (June 2009).
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A challenge for future successful GWA study is to apply the findings in a way that accelerates
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Bown MJ, Jones GT, Harrison SC, Wright BJ, Bumpstead S, Baas AF, et al. (November 2011).
3616: 3574: 3525: 3459: 3408: 3365: 3336:"Association between a literature-based genetic risk score and cardiovascular events in women" 3316: 3285:
Muehlschlegel JD, Liu KY, Perry TE, Fox AA, Collard CD, Shernan SK, Body SC (September 2010).
3252: 3203: 3159: 3110: 3075: 3034: 2981: 2927: 2866: 2807: 2750: 2675: 2618: 2569: 2518: 2459: 2408: 2377:"An expanded set of genome-wide association studies of brain imaging phenotypes in UK Biobank" 2357: 2306: 2257: 2212: 2155: 2106: 2057: 2000: 1965: 1947: 1883: 1852: 1801: 1752: 1703: 1647: 1575: 1524: 1464: 1415: 1372: 1292: 1256: 1167: 1102: 1045: 1005: 904: 741: 622: 565: 139: 207:, which, from 2003 identified a majority of the common SNPs interrogated in a GWA study. The 5079: 5048: 4947: 4857: 4841: 4785: 4720: 4687: 4679: 4638: 4630: 4575: 4534: 4524: 4470: 4396: 4377: 4338: 4301: 4291: 4250: 4242: 4193: 4183: 4142: 4132: 4083: 4075: 4062:
Johnson EC, Border R, Melroy-Greif WE, de Leeuw CA, Ehringer MA, Keller MC (November 2017).
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Paynter NP, Chasman DI, Paré G, Buring JE, Cook NR, Miletich JP, Ridker PM (February 2010).
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Marchini J, Howie B (July 2010). "Genotype imputation for genome-wide association studies".
1955: 1937: 1875: 1842: 1832: 1791: 1783: 1772:"Genome-wide detection of intervals of genetic heterogeneity associated with complex traits" 1742: 1734: 1693: 1685: 1637: 1629: 1567: 1514: 1506: 1454: 1407: 1362: 1354: 1280: 1246: 1236: 1157: 1149: 1094: 1037: 995: 832: 556: 485: 286: 265: 232: 180: 120: 4892: 1672:
Clarke GM, Anderson CA, Pettersson FH, Cardon LR, Morris AP, Zondervan KT (February 2011).
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tool designed to help interpret the results generated from a genome wide association study
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Pearson TA, Manolio TA (March 2008). "How to interpret a genome-wide association study".
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Zhao K, Tung CW, Eizenga GC, Wright MH, Ali ML, Price AH, et al. (September 2011).
4128: 3503: 3447: 3396: 3238: 2604: 2494: 2190: 2126:"MaCH: using sequence and genotype data to estimate haplotypes and unobserved genotypes" 1960: 1925: 1625: 1563: 1502: 1403: 1232: 1145: 1081:
Ozaki K, Ohnishi Y, Iida A, Sekine A, Yamada R, Tsunoda T, et al. (December 2002).
4862: 4821: 4692: 4667: 4643: 4618: 4539: 4504: 4306: 4279: 4255: 4222: 4198: 4171: 4147: 4112: 4088: 4063: 4047: 4022: 3968: 3943: 3919: 3894: 3777: 3752: 3660: 3635: 3569: 3544: 3520: 3487: 3360: 3335: 3311: 3287:"Chromosome 9p21 variant predicts mortality after coronary artery bypass graft surgery" 3286: 3029: 3004: 2976: 2951: 2861: 2826: 2825:
Okbay A, Wu Y, Wang N, Jayashankar H, Bennett M, Nehzati SM, et al. (April 2022).
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with the trait in question. The numbers in this example are taken from a 2007 study of
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When applied to human data, GWA studies compare the DNA of participants having varying
55: 3302: 3070: 3053: 1723:"PLINK: a tool set for whole-genome association and population-based linkage analyses" 5158: 4603: 4342: 2375:
Smith SM, Douaud G, Chen W, Hanayik T, Alfaro-Almagro F, Sharp K, Elliott LT (2021).
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Klein RJ, Zeiss C, Chew EY, Tsai JY, Sackler RS, Haynes C, et al. (April 2005).
710: 678: 650: 3872: 3716: 3611: 3594: 2696:(Press release). Wellcome Trust Case Control Consortium. 6 June 2007. Archived from 2630: 2589:"Complement factor H variant increases the risk of age-related macular degeneration" 1787: 1114: 344: 79:
participants are classified first by their clinical manifestation(s), as opposed to
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geographic and ethnic background of participants by controlling for what is called
152: 3404: 1411: 1186:"GWAS Catalog: The NHGRI-EBI Catalog of published genome-wide association studies" 227:
Example calculation illustrating the methodology of a case-control GWA study. The
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Willi Y, Kristensen TN, Sgrò CM, Weeks AR, Ørsted M, Hoffmann AA (January 2022).
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modulation and cardiac development. It was also identified new genes involved in
91:. If there is significant statistical evidence that one type of the variant (one 4617:
Rosenberg NA, Huang L, Jewett EM, Szpiech ZA, Jankovic I, Boehnke M (May 2010).
4038: 3560: 682: 585: 544: 505: 361: 4117:
Proceedings of the National Academy of Sciences of the United States of America
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Proceedings of the National Academy of Sciences of the United States of America
2393: 2092: 1942: 875: 380:. In the context of GWA studies, this plot shows the negative logarithm of the 4579: 4188: 3910: 2912: 2885: 2793: 1837: 871: 836: 733: 725: 513: 285:
for the significance of the odds ratio is typically calculated using a simple
269: 4853: 4587: 2697: 1951: 1041: 520:, and their analyses may be of value to functional research into biomarkers. 5105: 4921: 4845: 4724: 4381: 4365: 4296: 4137: 3959: 2613: 2588: 2503: 1879: 1443:"The uneasy ethical and legal underpinnings of large-scale genomic biobanks" 1153: 959: 840: 812: 597: 569: 423: 325: 316: 212: 208: 172: 88: 75: 4871: 4799: 4701: 4652: 4595: 4548: 4482: 4408: 4389: 4350: 4315: 4264: 4207: 4156: 4097: 3977: 3928: 3864: 3822: 3814: 3786: 3708: 3669: 3620: 3578: 3529: 3488:"Genetic variation in IL28B and spontaneous clearance of hepatitis C virus" 3463: 3412: 3369: 3320: 3256: 3207: 3163: 3114: 3079: 3038: 3003:, Prokopenko I, Barker A, Ahlqvist E, Rybin D, et al. (October 2011). 2985: 2931: 2870: 2811: 2754: 2679: 2622: 2573: 2554: 2522: 2463: 2412: 2361: 2310: 2261: 2216: 2159: 2110: 2061: 2004: 1969: 1856: 1805: 1756: 1707: 1689: 1651: 1528: 1468: 1376: 1260: 1171: 1106: 1049: 1009: 653:
accomplished in 2018 revealed the discovery of 70 new loci associated with
369:. If they did not do so, the studies could produce false positive results. 3351: 2043: 1579: 1419: 1343:"Genomewide scans of complex human diseases: true linkage is hard to find" 1082: 1000: 983: 3383:
Couzin-Frankel J (June 2010). "Major heart disease genes prove elusive".
2851: 1519: 914: 501: 200: 95:) is more frequent in people with the disease, the variant is said to be 20: 3511: 3455: 3154: 3137: 2292: 2198: 1633: 1510: 143:
GWA studies typically identify common variants with small effect sizes (
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Statistical Methods for the Analysis of Genome-Wide Association Studies
4790: 4773: 4246: 3944:"Schizophrenia interactome with 504 novel protein-protein interactions" 2252: 2141: 381: 373: 319:
penetrance patterns can be used. Calculations are typically done using
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depicting several strongly associated risk loci. Each dot represents a
3020: 1185: 1130:"Complement factor H polymorphism in age-related macular degeneration" 984:"Genomewide association studies and assessment of the risk of disease" 779:, which is beneficial for developing new pathogen-resisted cultivars. 2721:"Validating, augmenting and refining genome-wide association signals" 2243: 1341:
Altmüller J, Palmer LJ, Fischer G, Scherb H, Wjst M (November 2001).
772: 670: 228: 188: 92: 4952: 4937: 4888:
Genotype-phenotype interaction software tools and databases on omicX
4634: 3895:"Multi-ethnic genome-wide association study for atrial fibrillation" 3684: 3247: 3222: 3198: 3181: 3106: 2736: 2230:
Charney E (January 2017). "Genes, behavior, and behavior genetics".
1996: 500:
follow by another in 2022 with 3 million individuals and a study of
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have been calculated for all SNPs, a common approach is to create a
4683: 3700: 3138:"The pursuit of genome-wide association studies: where are we now?" 2967: 2902: 2694:"Largest ever study of genetics of common diseases published today" 1738: 1358: 1098: 458:
Another landmark publication in the history of GWA studies was the
171:. Any of these may cause alterations in an individual's traits, or 4909:— a central database of summary-level genetic association findings 3054:"C-reactive protein and coronary disease: is there a causal link?" 686: 674: 445:
The first GWA study, conducted in 2005, compared 96 patients with
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issues. The exact threshold varies by study, but the conventional
343: 243:(CAD) that showed that the individuals with the G-allele of SNP1 ( 4897: 4887: 4562:
Tam V, Patel N, Turcotte M, Bossé Y, Paré G, Meyre D (May 2019).
3992:"New Schizophrenia Study Focuses on Protein-Protein Interactions" 2952:"Common variants at 30 loci contribute to polygenic dyslipidemia" 1063: 835:. More recently, the rapidly decreasing price of complete genome 3683:
Coronary Artery Disease (C4D) Genetics Consortium (March 2011).
2124:
Li Y, Willer CJ, Ding J, Scheet P, Abecasis GR (December 2010).
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Wellcome Trust Case Control Consortium, Burton PR (June 2007).
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risk for species and could therefore be an important tool for
62:, with the X-axis showing genomic location and Y-axis showing 4946:
Impact of functional information on understanding variation.
4564:"Benefits and limitations of genome-wide association studies" 2538:"An open access database of genome-wide association results" 2324:
Barsh GS, Copenhaver GP, Gibson G, Williams SM (July 2012).
1674:"Basic statistical analysis in genetic case-control studies" 657:. It has been identified different variants associated with 527:
of people with a disease. This type of study has been named
523:
A variation of GWAS uses participants that are first-degree
340:
Full 2D epistatic interaction maps point to epistatic signal
231:
count of each measured SNP is evaluated—in this case with a
179:
in families. This approach had proven highly useful towards
83:. Each person gives a sample of DNA, from which millions of 3753:"Blood pressure loci identified with a gene-centric array" 2777: 677:, which are involved in cardiac conduction regulation, in 543:
variation is estimated from heritability studies based on
414:
Regional association plot, showing individual SNPs in the
3543:
Lu YF, Goldstein DB, Angrist M, Cavalleri G (July 2014).
1819:
Ayati M, Erten S, Chance MR, Koyutürk M (December 2015).
588:
virus treatment. For genotype 1 hepatitis C treated with
348:
Zoom in a full epistatic map for an Arabidopsis phenotype
4619:"Genome-wide association studies in diverse populations" 3182:"Personal genomes: The case of the missing heritability" 4505:"Genetic signatures of exceptional longevity in humans" 4366:"Genetic signatures of exceptional longevity in humans" 1825:
EURASIP Journal on Bioinformatics & Systems Biology
847:
can inflate estimates of genetic phenotype similarity.
66:. This example is taken from a GWA study investigating 4715:
Borecki IB (2006). "Linkage and Association Studies".
1316: 264:
For each of these SNPs it is then investigated if the
4666:
Sham PC, Cherny SS, Purcell S, Hewitt JK (May 2000).
1874:. BCB '15. New York, NY, USA: ACM. pp. 376–385. 1215:
Bush WS, Moore JH (2012). Lewitter F, Kann M (eds.).
5119: 5088: 5057: 5011: 4990: 4922:
Consortia of genome-wide association studies (GWAS)
4437:"Serious flaws revealed in "longevity genes" study" 3545:"Personalized medicine and human genetic diversity" 2945: 2943: 2941: 2232:Wiley Interdisciplinary Reviews. Cognitive Science 16:Study of genetic variants in different individuals 4021:Ganapathiraju M, Chaparala S, Lo C (April 2018). 2026:Howie B, Marchini J, Stephens M (November 2011). 637:, which have important clinical implications for 600:, a GWA study has shown that SNPs near the human 352:A key step in the majority of GWA studies is the 3136:Ku CS, Loy EY, Pawitan Y, Chia KS (April 2010). 2326:"Guidelines for genome-wide association studies" 311:. Likewise, alternative statistics designed for 119:, and found two SNPs with significantly altered 3175: 3173: 2028:"Genotype imputation with thousands of genomes" 1667: 1665: 1663: 1661: 1336: 1334: 259:The most common approach of GWA studies is the 1210: 1208: 1206: 1023: 1021: 1019: 977: 975: 839:have also provided a realistic alternative to 4968: 4915:"How to read a genome-wide association study" 1217:"Chapter 11: Genome-wide association studies" 159:) as well as many larger variations, such as 8: 2719:Ioannidis JP, Thomas G, Daly MJ (May 2009). 1447:Annual Review of Genomics and Human Genetics 855:Genotyping arrays designed for GWAS rely on 806:results". This is why all modern GWAS use a 247:) were overrepresented amongst CAD-patients. 4940:— whole genome association analysis toolset 3729:: CS1 maint: numeric names: authors list ( 3549:Cold Spring Harbor Perspectives in Medicine 3223:"Genomics: Hepatitis C virus gets personal" 2923:1871.1/08af5d9e-8621-41f1-97c5-e77a1063495f 831:. Alternative strategies suggested involve 4975: 4961: 4953: 2075:Browning BL, Browning SR (February 2009). 1287:(4th ed.). Garland Science. pp.  1274: 1272: 1270: 724:level GWA studies may be used to identify 4861: 4789: 4691: 4642: 4538: 4528: 4305: 4295: 4254: 4197: 4187: 4146: 4136: 4087: 4046: 3967: 3918: 3776: 3659: 3610: 3568: 3519: 3359: 3310: 3246: 3197: 3153: 3069: 3028: 2975: 2921: 2911: 2901: 2860: 2850: 2801: 2744: 2669: 2612: 2563: 2553: 2536:Johnson AD, O'Donnell CJ (January 2009). 2512: 2502: 2453: 2443: 2402: 2392: 2351: 2341: 2300: 2251: 2206: 2149: 2100: 2051: 1959: 1941: 1846: 1836: 1795: 1746: 1697: 1641: 1518: 1458: 1366: 1250: 1240: 1161: 999: 4902:National Human Genome Research Institute 3221:Iadonato SP, Katze MG (September 2009). 1603: 1601: 1599: 1597: 1068:National Human Genome Research Institute 945:Common disease-common variant hypothesis 823:instance, GWA studies for diseases like 753:Plant growth stages and yield components 516:or similar biomarkers. These are called 433: 426:is visualized with colour scale and the 409: 335: 250: 222: 138: 49: 971: 709:(PPIs) associated with genes linked to 301:Variations on the case-control approach 4750: 4740: 3722: 2175:"Genes mirror geography within Europe" 529:genome-wide association study by proxy 461:Wellcome Trust Case Control Consortium 109:gene-specific candidate-driven studies 1919: 1917: 1460:10.1146/annurev.genom.7.080505.115721 1313:"Online Mendelian Inheritance in Man" 1190:European Molecular Biology Laboratory 811:of a discrepancy between the type of 633:have shed light on the metabolism of 7: 3893:Roselli C, Chafin M, Weng L (2018). 3599:Circulation: Cardiovascular Genetics 3052:Danesh J, Pepys MB (November 2009). 895:Transcriptome-wide association study 609:eQTL, LDL and cardiovascular disease 988:The New England Journal of Medicine 689:) or associated with alteration of 330:protein-protein interaction network 297:to consider a variant significant. 187:study. This study type asks if the 4672:American Journal of Human Genetics 3757:American Journal of Human Genetics 3640:American Journal of Human Genetics 2081:American Journal of Human Genetics 1727:American Journal of Human Genetics 1484:"The International HapMap Project" 1347:American Journal of Human Genetics 619:expression quantitative trait loci 551:Clinical applications and examples 14: 3303:10.1161/CIRCULATIONAHA.109.924233 3071:10.1161/CIRCULATIONAHA.109.907212 1064:"Genome-Wide Association Studies" 950:Microbiome-wide association study 4898:Whole genome association studies 4805: 4772:, Derks EM, Wray NR (May 2012). 4488: 4420: 4343:10.1111/j.1365-2052.2007.01642.x 3878: 3828: 3736: 3418: 3270: 874: 448:age-related macular degeneration 418:region and their association to 117:age-related macular degeneration 5039:Single-nucleotide polymorphisms 4931:— by Bennett SN, Caporaso, NE, 3612:10.1161/CIRCGENETICS.110.948935 617:of nearby genes, the so-called 215:was an important prerequisite. 45:single-nucleotide polymorphisms 5142:Human Genome Diversity Project 4719:. John Wiley & Sons, Ltd. 4475:10.1126/science.333.6041.404-a 4401:10.1126/science.333.6041.404-a 4080:10.1016/j.biopsych.2017.06.033 1: 5101:Genome-wide association study 4717:Encyclopedia of Life Sciences 3845:Current Opinion in Lipidology 3405:10.1126/science.328.5983.1220 1788:10.1093/bioinformatics/btv263 1412:10.1126/science.273.5281.1516 594:Pegylated interferon-alpha-2b 590:Pegylated interferon-alpha-2a 25:genome-wide association study 5132:International HapMap Project 4530:10.1371/journal.pone.0029848 3998:. 3 May 2016. Archived from 3857:10.1097/MOL.0b013e32834469b3 2662:10.1182/blood-2011-06-359646 2445:10.1371/journal.pgen.1002198 2343:10.1371/journal.pgen.1002812 1572:10.1126/science.270.5235.467 1242:10.1371/journal.pcbi.1002822 910:Gene–environment interaction 732:. This could help determine 707:protein-protein interactions 205:International HapMap Project 4435:MacArthur D (8 July 2010). 3561:10.1101/cshperspect.a008581 1279:Strachan T, Read A (2011). 808:very low p-value threshold. 5196: 4913:Barrett J (18 July 2010). 4284:Frontiers in Plant Science 4278:Bartoli C, Roux F (2017). 3769:10.1016/j.ajhg.2011.10.013 3652:10.1016/j.ajhg.2011.10.002 2843:10.1038/s41588-022-01016-z 2394:10.1038/s41593-021-00826-4 2093:10.1016/j.ajhg.2009.01.005 1943:10.1186/s13059-024-03202-0 1221:PLOS Computational Biology 4580:10.1038/s41576-019-0127-1 4189:10.1186/s12870-017-1131-2 4039:10.1093/schbul/sby017.731 3911:10.1038/s41588-018-0133-9 3180:Maher B (November 2008). 3142:Journal of Human Genetics 2913:10.1038/s41588-018-0333-3 2794:10.1038/s41588-018-0147-3 1838:10.1186/s13637-015-0025-6 799:population stratification 748:Agricultural applications 717:Conservation applications 367:population stratification 106:approach, in contrast to 4927:26 February 2018 at the 2281:Translational Psychiatry 1283:Human Molecular Genetics 1042:10.1001/jama.299.11.1335 982:Manolio TA (July 2010). 635:low-density lipoproteins 391:genome-wide significance 39:of a genome-wide set of 5096:Whole genome sequencing 5029:Human genetic variation 4944:ENCODE threads explorer 4846:10.1126/science.abo2059 4725:10.1038/npg.els.0005483 4623:Nature Reviews Genetics 4568:Nature Reviews Genetics 4382:10.1126/science.1190532 4297:10.3389/fpls.2017.00763 4138:10.1073/pnas.2105076119 3960:10.1038/npjschz.2016.12 2725:Nature Reviews Genetics 2614:10.1126/science.1110359 2504:10.1073/pnas.0903103106 1985:Nature Reviews Genetics 1880:10.1145/2808719.2808758 1154:10.1126/science.1109557 518:intermediate phenotypes 321:bioinformatics software 307:concentrations or even 241:coronary artery disease 4027:Schizophrenia Bulletin 3815:10.1002/bies.201100003 2555:10.1186/1471-2350-10-6 1690:10.1038/nprot.2010.182 925:Molecular epidemiology 920:Linkage disequilibrium 857:linkage disequilibrium 730:climate becomes warmer 661:coding-genes, such as 639:cardiovascular disease 498:educational attainment 466:coronary heart disease 439: 431: 372:After odds ratios and 349: 341: 256: 248: 235:—to identify variants 169:copy number variations 148: 71: 5180:Personalized medicine 5175:Human genome projects 5065:Personalized medicine 4395:(Retracted, see 4227:Nature Communications 4068:Biological Psychiatry 3352:10.1001/jama.2010.119 2044:10.1534/g3.111.001198 1001:10.1056/NEJMra0905980 627:small interfering RNA 580:Hepatitis C treatment 437: 413: 347: 339: 254: 226: 181:single gene disorders 142: 54:An illustration of a 53: 5165:Genetic epidemiology 5137:1000 Genomes Project 5127:Human Genome Project 5075:Genetic epidemiology 4778:Molecular Psychiatry 2542:BMC Medical Genetics 2130:Genetic Epidemiology 955:Conservation biology 940:Genetic epidemiology 659:transcription factor 478:rheumatoid arthritis 424:haploblock structure 209:haploblock structure 104:non-candidate-driven 68:kidney stone disease 5089:Analysis techniques 5070:Predictive medicine 5044:Identity by descent 5019:Biological specimen 5003:Biological database 4917:. Genomes Unzipped. 4838:2022Sci...378..754B 4521:2012PLoSO...729848S 4239:2011NatCo...2..467Z 4129:2022PNAS..11905076W 4033:(suppl_1): S298-9. 3512:10.1038/nature08463 3504:2009Natur.461..798T 3456:10.1038/nature08309 3448:2009Natur.461..399G 3397:2010Sci...328.1220C 3297:(11 Suppl): S60–5. 3239:2009Natur.461..357I 3155:10.1038/jhg.2010.19 2605:2005Sci...308..419H 2495:2009PNAS..106.9362H 2293:10.1038/tp.2013.124 2199:10.1038/nature07331 2191:2008Natur.456...98N 1634:10.1038/nature05911 1626:2007Natur.447..661B 1564:1995Sci...270..467S 1511:10.1038/nature02168 1503:2003Natur.426..789G 1404:1996Sci...273.1516R 1233:2012PLSCB...8E2822B 1146:2005Sci...308..385K 935:Population genetics 890:Association mapping 825:Alzheimer's disease 691:cardiac muscle cell 655:atrial fibrillation 645:Atrial fibrillation 631:gene knock-out mice 453:complement factor H 185:genetic association 37:observational study 4791:10.1038/mp.2011.65 4247:10.1038/ncomms1467 4123:(1): e2105076119. 4002:on 11 January 2020 2142:10.1002/gepi.20533 1441:Greely HT (2007). 1319:on 5 December 2011 845:assortative mating 766:The emergences of 440: 432: 350: 342: 257: 249: 149: 72: 5150: 5149: 5024:De-identification 4984:Personal genomics 4832:(6621): 754–761. 4176:BMC Plant Biology 3948:npj Schizophrenia 3498:(7265): 798–801. 3442:(7262): 399–401. 3021:10.2337/db11-0415 1889:978-1-4503-3853-0 1298:978-0-8153-4149-9 905:Genetic diversity 742:genetic diversity 213:genotyping arrays 64:association level 5187: 5170:Genetics studies 5080:Pharmacogenomics 5049:Genetic disorder 4977: 4970: 4963: 4954: 4948:Nature (journal) 4918: 4876: 4875: 4865: 4817: 4811: 4810: 4809: 4803: 4793: 4765: 4759: 4758: 4752: 4748: 4746: 4738: 4712: 4706: 4705: 4695: 4663: 4657: 4656: 4646: 4614: 4608: 4607: 4559: 4553: 4552: 4542: 4532: 4500: 4494: 4493: 4492: 4486: 4458: 4452: 4451: 4449: 4447: 4432: 4426: 4425: 4424: 4418: 4414:Retraction Watch 4393: 4361: 4355: 4354: 4326: 4320: 4319: 4309: 4299: 4275: 4269: 4268: 4258: 4218: 4212: 4211: 4201: 4191: 4182:(Suppl 1): 190. 4167: 4161: 4160: 4150: 4140: 4108: 4102: 4101: 4091: 4059: 4053: 4052: 4050: 4018: 4012: 4011: 4009: 4007: 3996:psychcentral.com 3988: 3982: 3981: 3971: 3939: 3933: 3932: 3922: 3905:(9): 1225–1233. 3890: 3884: 3883: 3882: 3876: 3840: 3834: 3833: 3832: 3826: 3797: 3791: 3790: 3780: 3748: 3742: 3741: 3740: 3734: 3728: 3720: 3680: 3674: 3673: 3663: 3631: 3625: 3624: 3614: 3589: 3583: 3582: 3572: 3540: 3534: 3533: 3523: 3482: 3476: 3475: 3430: 3424: 3423: 3422: 3416: 3391:(5983): 1220–1. 3380: 3374: 3373: 3363: 3331: 3325: 3324: 3314: 3282: 3276: 3275: 3274: 3268: 3250: 3218: 3212: 3211: 3201: 3177: 3168: 3167: 3157: 3133: 3127: 3126: 3090: 3084: 3083: 3073: 3049: 3043: 3042: 3032: 2999:Strawbridge RJ, 2996: 2990: 2989: 2979: 2947: 2936: 2935: 2925: 2915: 2905: 2881: 2875: 2874: 2864: 2854: 2822: 2816: 2815: 2805: 2788:(8): 1112–1121. 2773: 2767: 2766: 2748: 2716: 2710: 2709: 2707: 2705: 2690: 2684: 2683: 2673: 2641: 2635: 2634: 2616: 2599:(5720): 419–21. 2584: 2578: 2577: 2567: 2557: 2533: 2527: 2526: 2516: 2506: 2474: 2468: 2467: 2457: 2447: 2423: 2417: 2416: 2406: 2396: 2372: 2366: 2365: 2355: 2345: 2321: 2315: 2314: 2304: 2272: 2266: 2265: 2255: 2244:10.1002/wcs.1405 2227: 2221: 2220: 2210: 2185:(7218): 98–101. 2170: 2164: 2163: 2153: 2121: 2115: 2114: 2104: 2072: 2066: 2065: 2055: 2023: 2017: 2016: 1980: 1974: 1973: 1963: 1945: 1921: 1912: 1908: 1902: 1901: 1867: 1861: 1860: 1850: 1840: 1816: 1810: 1809: 1799: 1767: 1761: 1760: 1750: 1718: 1712: 1711: 1701: 1678:Nature Protocols 1669: 1656: 1655: 1645: 1620:(7145): 661–78. 1605: 1592: 1591: 1558:(5235): 467–70. 1547: 1541: 1540: 1522: 1497:(6968): 789–96. 1488: 1479: 1473: 1472: 1462: 1438: 1432: 1431: 1398:(5281): 1516–7. 1387: 1381: 1380: 1370: 1338: 1329: 1328: 1326: 1324: 1315:. Archived from 1309: 1303: 1302: 1286: 1276: 1265: 1264: 1254: 1244: 1227:(12): e1002822. 1212: 1201: 1200: 1198: 1196: 1182: 1176: 1175: 1165: 1125: 1119: 1118: 1078: 1072: 1071: 1060: 1054: 1053: 1025: 1014: 1013: 1003: 979: 884: 879: 878: 841:genotyping array 833:linkage analysis 813:genotyping array 486:bipolar disorder 400: 398: 387:multiple testing 296: 294: 287:chi-squared test 266:allele frequency 233:chi-squared test 125:genetic diseases 121:allele frequency 85:genetic variants 41:genetic variants 5195: 5194: 5190: 5189: 5188: 5186: 5185: 5184: 5155: 5154: 5151: 5146: 5115: 5111:Genetic testing 5084: 5053: 5034:Genetic linkage 5007: 4991:Data collection 4986: 4981: 4929:Wayback Machine 4912: 4884: 4879: 4819: 4818: 4814: 4804: 4767: 4766: 4762: 4749: 4739: 4735: 4714: 4713: 4709: 4665: 4664: 4660: 4635:10.1038/nrg2760 4616: 4615: 4611: 4561: 4560: 4556: 4502: 4501: 4497: 4487: 4460: 4459: 4455: 4445: 4443: 4434: 4433: 4429: 4419: 4394: 4363: 4362: 4358: 4331:Animal Genetics 4328: 4327: 4323: 4277: 4276: 4272: 4220: 4219: 4215: 4169: 4168: 4164: 4110: 4109: 4105: 4074:(10): 702–708. 4061: 4060: 4056: 4020: 4019: 4015: 4005: 4003: 3990: 3989: 3985: 3941: 3940: 3936: 3899:Nature Genetics 3892: 3891: 3887: 3877: 3842: 3841: 3837: 3827: 3799: 3798: 3794: 3750: 3749: 3745: 3735: 3721: 3689:Nature Genetics 3682: 3681: 3677: 3633: 3632: 3628: 3591: 3590: 3586: 3542: 3541: 3537: 3484: 3483: 3479: 3432: 3431: 3427: 3417: 3382: 3381: 3377: 3333: 3332: 3328: 3284: 3283: 3279: 3269: 3248:10.1038/461357a 3233:(7262): 357–8. 3220: 3219: 3215: 3199:10.1038/456018a 3192:(7218): 18–21. 3179: 3178: 3171: 3135: 3134: 3130: 3107:10.1038/ng.3766 3095:Nature Genetics 3092: 3091: 3087: 3051: 3050: 3046: 3015:(10): 2624–34. 2998: 2997: 2993: 2956:Nature Genetics 2949: 2948: 2939: 2890:Nature Genetics 2883: 2882: 2878: 2831:Nature Genetics 2824: 2823: 2819: 2782:Nature Genetics 2775: 2774: 2770: 2737:10.1038/nrg2544 2718: 2717: 2713: 2703: 2701: 2692: 2691: 2687: 2656:(17): 4705–13. 2643: 2642: 2638: 2586: 2585: 2581: 2535: 2534: 2530: 2476: 2475: 2471: 2438:(7): e1002198. 2425: 2424: 2420: 2374: 2373: 2369: 2336:(7): e1002812. 2323: 2322: 2318: 2274: 2273: 2269: 2229: 2228: 2224: 2172: 2171: 2167: 2123: 2122: 2118: 2074: 2073: 2069: 2025: 2024: 2020: 1997:10.1038/nrg2796 1982: 1981: 1977: 1923: 1922: 1915: 1909: 1905: 1890: 1869: 1868: 1864: 1818: 1817: 1813: 1769: 1768: 1764: 1720: 1719: 1715: 1671: 1670: 1659: 1607: 1606: 1595: 1549: 1548: 1544: 1486: 1481: 1480: 1476: 1440: 1439: 1435: 1389: 1388: 1384: 1340: 1339: 1332: 1322: 1320: 1311: 1310: 1306: 1299: 1278: 1277: 1268: 1214: 1213: 1204: 1194: 1192: 1184: 1183: 1179: 1140:(5720): 385–9. 1127: 1126: 1122: 1087:Nature Genetics 1080: 1079: 1075: 1062: 1061: 1057: 1036:(11): 1335–44. 1027: 1026: 1017: 981: 980: 973: 969: 930:Polygenic score 880: 873: 870: 853: 794: 785: 768:plant pathogens 764: 762:Plant pathogens 755: 750: 719: 703: 693:communication ( 649:For example, a 647: 615:gene expression 611: 582: 574:pathophysiology 553: 482:Crohn's disease 474:type 2 diabetes 470:type 1 diabetes 420:LDL-cholesterol 408: 396: 394: 309:gene expression 292: 290: 221: 193:genetic variant 177:genetic linkage 137: 87:are read using 17: 12: 11: 5: 5193: 5191: 5183: 5182: 5177: 5172: 5167: 5157: 5156: 5148: 5147: 5145: 5144: 5139: 5134: 5129: 5123: 5121: 5120:Major projects 5117: 5116: 5114: 5113: 5108: 5103: 5098: 5092: 5090: 5086: 5085: 5083: 5082: 5077: 5072: 5067: 5061: 5059: 5055: 5054: 5052: 5051: 5046: 5041: 5036: 5031: 5026: 5021: 5015: 5013: 5012:Field concepts 5009: 5008: 5006: 5005: 5000: 4994: 4992: 4988: 4987: 4982: 4980: 4979: 4972: 4965: 4957: 4951: 4950: 4941: 4935: 4919: 4910: 4904: 4895: 4890: 4883: 4882:External links 4880: 4878: 4877: 4812: 4760: 4733: 4707: 4684:10.1086/302891 4678:(5): 1616–30. 4658: 4609: 4574:(8): 467–484. 4554: 4495: 4453: 4427: 4356: 4337:(5): 491–498. 4321: 4270: 4213: 4162: 4103: 4054: 4013: 3983: 3934: 3885: 3835: 3792: 3763:(6): 688–700. 3743: 3701:10.1038/ng.782 3675: 3626: 3584: 3555:(9): a008581. 3535: 3477: 3425: 3375: 3326: 3277: 3213: 3169: 3148:(4): 195–206. 3128: 3101:(3): 325–331. 3085: 3064:(21): 2036–9. 3044: 2991: 2968:10.1038/ng.291 2937: 2903:10.1101/214973 2896:(3): 394–403. 2876: 2837:(4): 437–449. 2817: 2768: 2711: 2700:on 4 June 2008 2685: 2636: 2579: 2528: 2489:(23): 9362–7. 2469: 2418: 2387:(5): 737–745. 2367: 2316: 2267: 2238:(1–2): e1405. 2222: 2165: 2116: 2067: 2018: 1991:(7): 499–511. 1975: 1930:Genome Biology 1913: 1903: 1888: 1862: 1811: 1782:(12): i240-9. 1776:Bioinformatics 1762: 1739:10.1086/519795 1713: 1657: 1593: 1542: 1474: 1433: 1382: 1359:10.1086/324069 1330: 1304: 1297: 1266: 1202: 1177: 1120: 1099:10.1038/ng1047 1073: 1055: 1015: 970: 968: 965: 964: 963: 957: 952: 947: 942: 937: 932: 927: 922: 917: 912: 907: 902: 897: 892: 886: 885: 882:Biology portal 869: 866: 852: 849: 804:false-positive 793: 790: 784: 781: 777:plant pathogen 763: 760: 754: 751: 749: 746: 718: 715: 702: 699: 646: 643: 610: 607: 596:combined with 581: 578: 552: 549: 407: 404: 378:Manhattan plot 220: 217: 136: 133: 81:genotype-first 56:Manhattan plot 15: 13: 10: 9: 6: 4: 3: 2: 5192: 5181: 5178: 5176: 5173: 5171: 5168: 5166: 5163: 5162: 5160: 5153: 5143: 5140: 5138: 5135: 5133: 5130: 5128: 5125: 5124: 5122: 5118: 5112: 5109: 5107: 5104: 5102: 5099: 5097: 5094: 5093: 5091: 5087: 5081: 5078: 5076: 5073: 5071: 5068: 5066: 5063: 5062: 5060: 5056: 5050: 5047: 5045: 5042: 5040: 5037: 5035: 5032: 5030: 5027: 5025: 5022: 5020: 5017: 5016: 5014: 5010: 5004: 5001: 4999: 4996: 4995: 4993: 4989: 4985: 4978: 4973: 4971: 4966: 4964: 4959: 4958: 4955: 4949: 4945: 4942: 4939: 4936: 4934: 4930: 4926: 4923: 4920: 4916: 4911: 4908: 4905: 4903: 4899: 4896: 4894: 4891: 4889: 4886: 4885: 4881: 4873: 4869: 4864: 4859: 4855: 4851: 4847: 4843: 4839: 4835: 4831: 4827: 4823: 4816: 4813: 4808: 4801: 4797: 4792: 4787: 4784:(5): 474–85. 4783: 4779: 4775: 4771: 4768:Visscher PM, 4764: 4761: 4756: 4744: 4736: 4734:9780470015902 4730: 4726: 4722: 4718: 4711: 4708: 4703: 4699: 4694: 4689: 4685: 4681: 4677: 4673: 4669: 4662: 4659: 4654: 4650: 4645: 4640: 4636: 4632: 4629:(5): 356–66. 4628: 4624: 4620: 4613: 4610: 4605: 4601: 4597: 4593: 4589: 4585: 4581: 4577: 4573: 4569: 4565: 4558: 4555: 4550: 4546: 4541: 4536: 4531: 4526: 4522: 4518: 4515:(1): e29848. 4514: 4510: 4506: 4499: 4496: 4491: 4484: 4480: 4476: 4472: 4469:(6041): 404. 4468: 4464: 4457: 4454: 4442: 4438: 4431: 4428: 4423: 4416: 4415: 4410: 4406: 4402: 4398: 4391: 4387: 4383: 4379: 4375: 4371: 4367: 4360: 4357: 4352: 4348: 4344: 4340: 4336: 4332: 4325: 4322: 4317: 4313: 4308: 4303: 4298: 4293: 4289: 4285: 4281: 4274: 4271: 4266: 4262: 4257: 4252: 4248: 4244: 4240: 4236: 4232: 4228: 4224: 4217: 4214: 4209: 4205: 4200: 4195: 4190: 4185: 4181: 4177: 4173: 4166: 4163: 4158: 4154: 4149: 4144: 4139: 4134: 4130: 4126: 4122: 4118: 4114: 4107: 4104: 4099: 4095: 4090: 4085: 4081: 4077: 4073: 4069: 4065: 4058: 4055: 4049: 4044: 4040: 4036: 4032: 4028: 4024: 4017: 4014: 4001: 3997: 3993: 3987: 3984: 3979: 3975: 3970: 3965: 3961: 3957: 3953: 3949: 3945: 3938: 3935: 3930: 3926: 3921: 3916: 3912: 3908: 3904: 3900: 3896: 3889: 3886: 3881: 3874: 3870: 3866: 3862: 3858: 3854: 3850: 3846: 3839: 3836: 3831: 3824: 3820: 3816: 3812: 3808: 3804: 3796: 3793: 3788: 3784: 3779: 3774: 3770: 3766: 3762: 3758: 3754: 3747: 3744: 3739: 3732: 3726: 3718: 3714: 3710: 3706: 3702: 3698: 3695:(4): 339–44. 3694: 3690: 3686: 3679: 3676: 3671: 3667: 3662: 3657: 3653: 3649: 3646:(5): 619–27. 3645: 3641: 3637: 3630: 3627: 3622: 3618: 3613: 3608: 3605:(4): 365–73. 3604: 3600: 3596: 3588: 3585: 3580: 3576: 3571: 3566: 3562: 3558: 3554: 3550: 3546: 3539: 3536: 3531: 3527: 3522: 3517: 3513: 3509: 3505: 3501: 3497: 3493: 3489: 3481: 3478: 3473: 3469: 3465: 3461: 3457: 3453: 3449: 3445: 3441: 3437: 3429: 3426: 3421: 3414: 3410: 3406: 3402: 3398: 3394: 3390: 3386: 3379: 3376: 3371: 3367: 3362: 3357: 3353: 3349: 3345: 3341: 3337: 3330: 3327: 3322: 3318: 3313: 3308: 3304: 3300: 3296: 3292: 3288: 3281: 3278: 3273: 3266: 3262: 3258: 3254: 3249: 3244: 3240: 3236: 3232: 3228: 3224: 3217: 3214: 3209: 3205: 3200: 3195: 3191: 3187: 3183: 3176: 3174: 3170: 3165: 3161: 3156: 3151: 3147: 3143: 3139: 3132: 3129: 3124: 3120: 3116: 3112: 3108: 3104: 3100: 3096: 3089: 3086: 3081: 3077: 3072: 3067: 3063: 3059: 3055: 3048: 3045: 3040: 3036: 3031: 3026: 3022: 3018: 3014: 3010: 3006: 3002: 2995: 2992: 2987: 2983: 2978: 2973: 2969: 2965: 2961: 2957: 2953: 2946: 2944: 2942: 2938: 2933: 2929: 2924: 2919: 2914: 2909: 2904: 2899: 2895: 2891: 2887: 2880: 2877: 2872: 2868: 2863: 2858: 2853: 2852:11368/3026010 2848: 2844: 2840: 2836: 2832: 2828: 2821: 2818: 2813: 2809: 2804: 2799: 2795: 2791: 2787: 2783: 2779: 2772: 2769: 2764: 2760: 2756: 2752: 2747: 2742: 2738: 2734: 2731:(5): 318–29. 2730: 2726: 2722: 2715: 2712: 2699: 2695: 2689: 2686: 2681: 2677: 2672: 2667: 2663: 2659: 2655: 2651: 2647: 2640: 2637: 2632: 2628: 2624: 2620: 2615: 2610: 2606: 2602: 2598: 2594: 2590: 2583: 2580: 2575: 2571: 2566: 2561: 2556: 2551: 2547: 2543: 2539: 2532: 2529: 2524: 2520: 2515: 2510: 2505: 2500: 2496: 2492: 2488: 2484: 2480: 2473: 2470: 2465: 2461: 2456: 2451: 2446: 2441: 2437: 2433: 2432:PLOS Genetics 2429: 2422: 2419: 2414: 2410: 2405: 2400: 2395: 2390: 2386: 2382: 2378: 2371: 2368: 2363: 2359: 2354: 2349: 2344: 2339: 2335: 2331: 2330:PLOS Genetics 2327: 2320: 2317: 2312: 2308: 2303: 2298: 2294: 2290: 2286: 2282: 2278: 2271: 2268: 2263: 2259: 2254: 2249: 2245: 2241: 2237: 2233: 2226: 2223: 2218: 2214: 2209: 2204: 2200: 2196: 2192: 2188: 2184: 2180: 2176: 2169: 2166: 2161: 2157: 2152: 2147: 2143: 2139: 2136:(8): 816–34. 2135: 2131: 2127: 2120: 2117: 2112: 2108: 2103: 2098: 2094: 2090: 2087:(2): 210–23. 2086: 2082: 2078: 2071: 2068: 2063: 2059: 2054: 2049: 2045: 2041: 2038:(6): 457–70. 2037: 2033: 2029: 2022: 2019: 2014: 2010: 2006: 2002: 1998: 1994: 1990: 1986: 1979: 1976: 1971: 1967: 1962: 1957: 1953: 1949: 1944: 1939: 1935: 1931: 1927: 1920: 1918: 1914: 1907: 1904: 1899: 1895: 1891: 1885: 1881: 1877: 1873: 1866: 1863: 1858: 1854: 1849: 1844: 1839: 1834: 1830: 1826: 1822: 1815: 1812: 1807: 1803: 1798: 1793: 1789: 1785: 1781: 1777: 1773: 1766: 1763: 1758: 1754: 1749: 1744: 1740: 1736: 1733:(3): 559–75. 1732: 1728: 1724: 1717: 1714: 1709: 1705: 1700: 1695: 1691: 1687: 1684:(2): 121–33. 1683: 1679: 1675: 1668: 1666: 1664: 1662: 1658: 1653: 1649: 1644: 1639: 1635: 1631: 1627: 1623: 1619: 1615: 1611: 1604: 1602: 1600: 1598: 1594: 1589: 1585: 1581: 1577: 1573: 1569: 1565: 1561: 1557: 1553: 1546: 1543: 1538: 1534: 1530: 1526: 1521: 1520:2027.42/62838 1516: 1512: 1508: 1504: 1500: 1496: 1492: 1485: 1478: 1475: 1470: 1466: 1461: 1456: 1452: 1448: 1444: 1437: 1434: 1429: 1425: 1421: 1417: 1413: 1409: 1405: 1401: 1397: 1393: 1386: 1383: 1378: 1374: 1369: 1364: 1360: 1356: 1353:(5): 936–50. 1352: 1348: 1344: 1337: 1335: 1331: 1318: 1314: 1308: 1305: 1300: 1294: 1290: 1285: 1284: 1275: 1273: 1271: 1267: 1262: 1258: 1253: 1248: 1243: 1238: 1234: 1230: 1226: 1222: 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542: 536: 534: 530: 526: 521: 519: 515: 511: 507: 503: 499: 493: 491: 487: 483: 479: 475: 471: 467: 463: 462: 456: 454: 450: 449: 443: 436: 429: 425: 421: 417: 412: 405: 403: 393:threshold is 392: 388: 383: 379: 375: 370: 368: 363: 358: 355: 346: 338: 334: 331: 327: 322: 318: 314: 310: 306: 302: 298: 288: 284: 279: 277: 273: 271: 267: 262: 253: 246: 242: 238: 234: 230: 225: 218: 216: 214: 210: 206: 202: 197: 194: 190: 186: 182: 178: 174: 170: 166: 162: 158: 154: 153:human genomes 146: 141: 134: 132: 130: 126: 122: 118: 113: 111: 110: 105: 100: 98: 94: 90: 86: 82: 77: 69: 65: 61: 57: 52: 48: 46: 42: 38: 34: 30: 26: 22: 5152: 5100: 5058:Applications 4932: 4907:GWAS Central 4829: 4825: 4815: 4781: 4777: 4763: 4716: 4710: 4675: 4671: 4661: 4626: 4622: 4612: 4571: 4567: 4557: 4512: 4508: 4498: 4466: 4462: 4456: 4444:. 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Retrieved 2698:the original 2688: 2653: 2649: 2639: 2596: 2592: 2582: 2545: 2541: 2531: 2486: 2482: 2472: 2435: 2431: 2421: 2384: 2381:Nat Neurosci 2380: 2370: 2333: 2329: 2319: 2284: 2280: 2270: 2235: 2231: 2225: 2182: 2178: 2168: 2133: 2129: 2119: 2084: 2080: 2070: 2035: 2031: 2021: 1988: 1984: 1978: 1933: 1929: 1906: 1871: 1865: 1828: 1824: 1814: 1779: 1775: 1765: 1730: 1726: 1716: 1681: 1677: 1617: 1613: 1555: 1551: 1545: 1494: 1490: 1477: 1450: 1446: 1436: 1395: 1391: 1385: 1350: 1346: 1321:. Retrieved 1317:the original 1307: 1282: 1224: 1220: 1193:. Retrieved 1189: 1180: 1137: 1133: 1123: 1093:(4): 650–4. 1090: 1086: 1076: 1058: 1033: 1029: 991: 987: 900:Epidemiology 862: 854: 851:Fine-mapping 821: 795: 786: 765: 756: 738:conservation 720: 704: 648: 623:drug targets 612: 583: 554: 537: 532: 528: 524: 522: 517: 510:blood lipids 506:effect sizes 494: 490:hypertension 459: 457: 446: 444: 441: 416:LDL receptor 371: 359: 351: 300: 299: 280: 275: 274: 261:case-control 258: 244: 198: 150: 144: 129:in aggregate 114: 107: 103: 101: 96: 73: 32: 28: 24: 18: 4751:|work= 3291:Circulation 3058:Circulation 2287:(1): e354. 2253:10161/13337 829:East Asians 792:Limitations 734:extirpation 683:tachycardia 586:hepatitis C 566:diagnostics 545:monozygotic 428:association 145:lower right 5159:Categories 4770:Goddard ME 4446:7 December 4233:(1): 467. 1453:: 343–64. 1323:6 December 967:References 837:sequencing 722:Population 514:proinsulin 354:imputation 270:odds ratio 237:associated 165:insertions 135:Background 97:associated 89:SNP arrays 76:phenotypes 5106:SNP array 4900:— by the 4854:0036-8075 4753:ignored ( 4743:cite book 4604:148570302 4588:1471-0056 3954:: 16012. 3803:BioEssays 1952:1474-760X 1936:(1): 76. 960:WGAViewer 817:retracted 598:ribavirin 570:prognosis 541:heritable 525:relatives 326:epistasis 317:recessive 313:dominance 305:biomarker 245:rs1333049 173:phenotype 161:deletions 35:), is an 29:GWA study 4925:Archived 4872:36395242 4800:21670730 4702:10762547 4653:20395969 4596:31068683 4549:22279548 4509:PLOS ONE 4483:21778381 4409:21778381 4390:20595579 4376:(5987). 4351:17894563 4316:28588588 4265:21915109 4208:29143598 4157:34930821 4098:28823710 4006:22 April 3978:27336055 3929:29892015 3873:24020035 3865:21311327 3823:21462369 3787:22100073 3717:39712343 3709:21378988 3670:22055160 3621:20562444 3579:25059740 3530:19759533 3464:19684573 3413:20522751 3370:20159871 3321:20837927 3257:19759611 3208:18987709 3164:20300123 3115:28092683 3080:19901186 3039:21873549 3009:Diabetes 3001:Dupuis J 2986:19060906 2932:30804565 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3385:Science 3361:2845522 3312:2943860 3265:7602652 3235:Bibcode 3123:5598845 3030:3178302 2977:2881676 2898:bioRxiv 2862:9005349 2803:6393768 2763:6463743 2746:7877552 2704:19 June 2671:3208285 2601:Bibcode 2593:Science 2565:2639349 2514:2687147 2491:Bibcode 2455:3145627 2404:7610742 2353:3390399 2302:3905234 2208:2735096 2187:Bibcode 2151:3175618 2102:2668004 2053:3276165 2013:1465707 1898:5942777 1848:5270451 1797:4559912 1748:1950838 1699:3154648 1643:2719288 1622:Bibcode 1588:6720459 1580:7569999 1560:Bibcode 1552:Science 1537:4387110 1499:Bibcode 1428:5228523 1420:8801636 1400:Bibcode 1392:Science 1368:1274370 1252:3531285 1229:Bibcode 1163:1512523 1142:Bibcode 1134:Science 783:Chicken 773:alleles 406:Results 382:P-value 283:P-value 276:Example 219:Methods 4933:et al. 4870:  4860:  4852:  4798:  4731:  4700:  4690:  4651:  4641:  4602:  4594:  4586:  4547:  4537:  4481:  4407:  4403:, 4388:  4349:  4314:  4304:  4263:  4253:  4206:  4196:  4155:  4145:  4096:  4086:  4045:  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Index

genomics
observational study
genetic variants
single-nucleotide polymorphisms
Manhattan plot of a GWAS
Manhattan plot
SNP
association level
kidney stone disease
phenotypes
genotype-first
genetic variants
SNP arrays
allele
gene-specific candidate-driven studies
age-related macular degeneration
allele frequency
genetic diseases
in aggregate

human genomes
SNPs
deletions
insertions
copy number variations
phenotype
genetic linkage
single gene disorders
genetic association
allele

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