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Glycogen storage disease type II

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793:, and is also currently being used to replace the missing enzyme. In a study which included the largest cohort of patients with Pompe disease treated with enzyme replacement therapy (ERT) to date findings showed that Myozyme treatment clearly prolongs ventilator-free survival and overall survival in patients with infantile-onset Pompe disease as compared to an untreated historical control population. Furthermore, the study demonstrated that initiation of ERT prior to 6 months of age, which could be facilitated by newborn screening, shows great promise to reduce the mortality and disability associated with this devastating disorder. Taiwan and several states in the United States have started the newborn screening and results of such regimen in early diagnosis and early initiation of the therapy have dramatically improved the outcome of the disease; many of these babies have reached the normal motor developmental milestones. 42: 293: 801:
sites in the United States and Europe. Participants received either aglucosidase alfa or a placebo every other week for 18 months. The average age of study participants was 44 years. The primary efficacy endpoints of the study sought to determine the effect of Myozyme on functional endurance as measured by the six-minute walk test and to determine the effect of aglucosidase alfa on pulmonary function as measured by percent predicted forced vital capacity.
474: 104: 226: 196: 485:, and two faulty copies of the gene—one from each parent—are required to be born with the disorder. As with all cases of autosomal recessive inheritance, children have a one in four chance of inheriting the disorder when both parents carry the defective gene, and although both parents carry one copy of the defective gene, they are usually not affected by the disorder. 407:. IOPD patients can be further classified by Cross-Reactive Immunological Material (CRIM) status and has been found to be an important predictor of clinical response. Patients that produce no GAA protein are referred to as CRIM negative. Therefore, they can develop high sustained antibody titers to enzyme replacement therapy (ERT). Immunomodulation or 1421: 809:
effective tool in managing disease progression. In one such study, side-alternating vibration training was used 3 times per week for 15 weeks. The results showed that, at 15 weeks, the patient had a 116-meter (70%) improvement to their 6MWT, which is significant compared with the results from the aforementioned LOTS study.
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The average baseline distance walked in six minutes in both groups was approximately 325 meters. Percent predicted forced vital capacity in the group of patients treated with aglucosidase alfa increased by 1.2 percent at 78 weeks. In contrast, it declined by approximately 2.2 percent in the placebo group (P=0.006).
864:, using the enzyme produced in Chinese hamster ovary (CHO) cells demonstrated for the first time that the enzyme can clear the glycogen and improved the muscle function in Pompe disease quail. The results of the work at Duke were impressive with one treated bird recovering to the point of being able to fly again. 721:
treatment prolongs ventilator-free survival and overall survival. Early diagnosis and early treatment leads to much better outcomes. The treatment is not without side effects which include fever, flushing, skin rash, increased heart rate and even shock; these conditions, however, are usually manageable.
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Yang, Chia-Feng; Yang, Chen Chang; Liao, Hsuan-Chieh; Huang, Ling-Yi; Chiang, Chuan-Chi; Ho, Hui-Chen; Lai, Chih-Jou; Chu, Tzu-Hung; Yang, Tsui-Feng; Hsu, Ting-Rong; Soong, Wen-Jue; Niu, Dau-Ming (February 2016). "Very Early Treatment for Infantile-Onset Pompe Disease Contributes to Better Outcomes".
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In 2021, in utero enzyme replacement therapy infusions were provided to the fetus of an Ottawa, Ontario, mother who had had two previous children with Pompe disease. The medical team was a collaboration between Ottawa Hospital, Children's Hospital of Eastern Ontario, the University of California, San
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The prognosis for individuals with Pompe disease varies according to the onset and severity of symptoms, along with lifestyle factors. Without treatment the infantile form (which can typically be predicted by mutation analysis) of the disease is particularly lethal — in these cases, the time taken to
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The Late-onset (LOPD) form differs from the infantile-onset principally in the relative lack of cardiac involvement. The onset has a slower progression and can present at any decade of life. Cardiac involvement may occur but is milder than in the infantile form. Skeletal involvement is more prominent
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Amalfitano A, Bengur AR, Morse RP, Majure JM, Case LE, Veerling DL, Mackey J, Kishnani P, Smith W, McVie-Wylie A, Sullivan JA, Hoganson GE, Phillips JA, Schaefer GB, Charrow J, Ware RE, Bossen EH, Chen YT (2001). "Recombinant human acid alpha-glucosidase enzyme therapy for infantile glycogen storage
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The results showed that, at 78 weeks, patients treated with aglucosidase alfa increased their distance walked in six minutes by an average of approximately 25 meters as compared with the placebo group which declined by 3 meters (P=0.03). The placebo group did not show any improvement from baseline.
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Another factor affecting the treatment response is generation of antibodies against the infused enzyme, which is particularly severe in Pompe infants who have complete deficiency of the acid alpha-glucosidase. Immune tolerance therapy to eliminate these antibodies has improved the treatment outcome.
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Late or later onset form occurs later than one to two years and progresses more slowly than Infantile-onset form. One of the first symptoms is a progressive decrease in muscle strength starting with the legs and moving to smaller muscles in the trunk and arms, such as the diaphragm and other muscles
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Infantile-onset form is usually diagnosed at 4–8 months; muscles appear normal but are limp and weak preventing the child from lifting their head or rolling over. As the disease progresses, heart muscles thicken and progressively fail. Without treatment, death usually occurs due to heart failure and
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The currently approved Myozyme is manufactured by Genzyme Corp. in Cambridge, Massachusetts. Its development was a complex process. Genzyme first partnered with Pharming Group NV who had managed to produce acid alpha-glucosidase from the milk of transgenic rabbits. They also partnered with a second
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The FDA approved Myozyme for administration by intravenous infusion of the solution. The safety and efficacy of Myozyme were assessed in two separate clinical trials in 39 infantile-onset patients with Pompe disease ranging in age from 1 month to 3.5 years at the time of the first infusion. Myozyme
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There is an emerging recognition of the role that diet and exercise can play in functionally limiting symptom progression. This is an area for further study, as there is not a clear consensus guideline, but rather a body of case study work that suggests that appropriate physical activity can be an
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A Late Onset Treatment Study (LOTS) was published in 2010. The study was undertaken to evaluate the safety and efficacy of aglucosidase alfa in juvenile and adult patients with Pompe disease. LOTS was a randomized, double-blind, placebo-controlled study that enrolled 90 patients at eight primary
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One of the difficulties with attributing the illness solely to genetic deficiencies is that, even between people as genetically similar as identical twins, the symptoms may differ. For example, one may be in pain, whilst the other may not. Similarly, the rate of muscle deterioration of one may be
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This was followed by production of clinical grade alpha-glucosidase in Chinese hamster ovary (CHO) cells and in the milk of transgenic rabbits. This work eventually culminated in the start of clinical trials with the first clinical trial including four babies receiving enzyme from rabbit milk at
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Cohen, Jennifer L.; Chakraborty, Pranesh; Fung-Kee-Fung, Karen; Schwab, Marisa E.; Bali, Deeksha; Young, Sarah P.; Gelb, Michael H.; Khaledi, Hamid; DiBattista, Alicia; Smallshaw, Stacey; Moretti, Felipe; Wong, Derek; Lacroix, Catherine; El Demellawy, Dina; Strickland, Kyle C.; Lougheed, Jane;
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Cardiac and respiratory complications are treated symptomatically. Physical and occupational therapy may be beneficial for some patients. Alterations in diet may provide temporary improvement but will not alter the course of the disease. Genetic counseling can provide families with information
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may be used initially to distinguish Pompe from other causes of limb weakness. The findings on biochemical tests are similar to those of the infantile form, with the caveat that the creatine kinase may be normal in some cases. The diagnosis is by estimation of the enzyme activity in a suitable
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approved Myozyme for the treatment of Pompe disease. In June 2007, the Canadian Common Drug Review issued their recommendations regarding public funding for Myozyme therapy. Their recommendation was to provide funding to treat a tiny subset of Pompe patients (Infants less one year of age with
821:, who characterized it in 1932. Pompe described accumulation of glycogen in muscle tissue in some cases of a previously unknown disorder. This accumulation was difficult to explain as the enzymes involved in the usual metabolism of glucose and glycogen were all present and functioning. 891:
became involved in the fund-raising efforts in 1998 after two of his children were diagnosed with Pompe. He joined the company Novazyme in 1999, which was working on enzyme replacement treatment for Pompe. Novazyme was sold to Genzyme in 2001 for over US$ 100 million. The 2010 film
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Before the development of a treatment, median age at death in untreated cases was 8.7 months, usually due to cardiorespiratory failure. However, this outcome is drastically changed since enzyme replacement therapy has become available, improving with early initiation of treatment.
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organised a systematic comparison of the various potential drugs in a mouse model of Pompe disease. It was found that the Duke enzyme was the most efficacious, followed by Myozyme. However, due to easier manufacture of Myozyme, work on the other products was discontinued.
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for the treatment of late-onset Pompe disease. Lumizyme and Myozyme have the same generic ingredient (alglucosidase alfa) and manufacturer (Genzyme Corporation). The difference between these two products is in the manufacturing process. Myozyme is made using a 160-L
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group based at Duke University using Chinese hamster ovary cells. In 2001, Genzyme acquired Novazyme which was also working on this enzyme. Genzyme also had its own product (Myozyme) grown in CHO cells under development. In November 2001, Genzyme chief executive
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at 17q25.2-q25.3 (base pair 75,689,876 to 75,708,272). The number of mutations described is currently (in 2010) 289 with 67 being non-pathogenic mutations and 197 pathogenic mutations. The remainder are still being evaluated for their association with disease.
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Funding for research in this field was in part provided by the Muscular Dystrophy Association and the Acid Maltase Deficiency Association in the US, and by the Association of Glycogen Storage Disease in the UK, as well as the International Pompe Association.
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Matsuoka, Takashi; Miwa, Yoshiyuki; Tajika, Makiko; Sawada, Madoka; Fujimaki, Koichiro; Soga, Takashi; Tomita, Hideshi; Uemura, Shigeru; Nishino, Ichizo; Fukuda, Tokiko; Sugie, Hideo; Kosuga, Motomichi; Okuyama, Torayuki; Umeda, Yoh (November 18, 2016).
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determines the type of GSD-II an individual may have. More alpha-glucosidase present in the individual's muscles means symptoms occur later in life and progress more slowly. GSD-II is broadly divided into two onset forms based on the age symptoms occur.
426:, hypernasal speech, hearing loss, and myopathic facies. Cardiopulmonary involvement is manifested by increased respiratory rate, use of accessory muscles for respiration, recurrent chest infections, decreased air entry in the left lower zone (due to 741:, while Lumizyme uses a 4000-L bioreactor. Because of the difference in the manufacturing process, the FDA claims that the two products are biologically different. Myozyme is FDA approved for replacement therapy for infantile-onset Pompe disease. 2892: 2877: 1438: 844:
Despite recognizing the basis for the disease, treatment proved difficult. Administration of the enzyme lead to its uptake by the liver and not the muscle cells where it is needed. In the early 1990s Dutch scientists
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realised in 1965 that the deficiency of a lysosomal enzyme (alpha glucosidase) for the breakdown of glycogen could explain the symptoms of Pompe disease. This discovery led to establishing the concept of
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required for breathing. Respiratory failure is the most common cause of death. Enlargement of the heart muscles and rhythm disturbances are not significant features but do occur in some cases.
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enzyme (GAA). The inability to breakdown glycogen within the lysosomes of cells leads to progressive muscle weakness throughout the body and affects various body tissues, particularly in the
2321: 1660:"Divergent clinical outcomes of alpha-glucosidase enzyme replacement therapy in two siblings with infantile-onset Pompe disease treated in the symptomatic or pre-symptomatic state" 594:
In the early-onset form, an infant will present with poor feeding causing failure to thrive, or with difficulty breathing. The usual initial investigations include chest X ray,
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were able to show that using alpha-glucosidase containing phosphorylated mannose residues purified from bovine testes increased the enzyme's activity in normal mouse muscles.
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Myozyme costs an average of US$ 300,000 a year and must be taken for the patients' entire life, so some American health insurers have refused to pay for it. In August 2006,
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Van den Hout H, Reuser AJ, Vulto AG, Loonen MC, Cromme-Dijkhuis A, Van der Ploeg AT (July 2000). "Recombinant human alpha-glucosidase from rabbit milk in Pompe patients".
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with the first exon being noncoding. The coding sequence of the putative catalytic site domain is interrupted in the middle by an intron of 101
3016: 770:) 65 mg capsules for adults living with late-onset Pompe disease weighing more than 40 kg and who are not improving on their current 175: 752:. Avalglucosidase alfa (Nexviazyme) was approved for medical use in the United States in August 2021, and in the European Union in June 2022. 1032:
Prater SN, Banugaria SG, DeArmey SM, Botha EG, Stege EM, Case LE, Jones HN, Phornphutkul C, Wang RY, Young SP, Kishnani PS (September 2012).
147: 2270: 2720: 63: 759:. The approval was given in June 2023. In the EU, the therapy is available to all age groups without restrictions on weight of patients. 3031: 2907: 154: 313: 2765: 653: 387:
The infantile-onset (IOPD) form usually comes to medical attention within the first few months of life, either clinically or through
2609: 2009:"Intravenous administration of phosphorylated acid alpha-glucosidase leads to uptake of enzyme in heart and skeletal muscle of mice" 968: 709:
using biologically active recombinant human alglucosidase alfa produced in Chinese Hamster Ovary cells. Myozyme falls under the FDA
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In the late-onset form, an adult will present with gradually progressive arm and leg weakness, with worsening respiratory function.
85: 1563:"Muscular Dystrophy Association Celebrates FDA Approval of Amicus Therapeutics' Pombiliti + Opfolda for Treatment of Pompe Disease" 1213: 161: 2627: 2615: 2564: 888: 1339: 2770: 2760: 2621: 2570: 2558: 2485: 2405: 1398: 869: 2714: 2519: 143: 1588: 2709: 894: 2843: 1404: 1218: 1190: 1158: 918: 694: 690: 122: 458:, progressive muscle weakness, delayed motor milestones, difficulty swallowing or chewing and reduced vital capacity. 1439:"FDA approves Nexviazyme (avalglucosidase alfa-ngpt), an important new treatment option for late-onset Pompe disease" 645: 465:
Prognosis depends on the age of onset of symptoms with a better prognosis being associated with later onset disease.
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Moon-Grady, Anita; Lianoglou, Billie R.; Harmatz, Paul; Kishnani, Priya S.; MacKenzie, Tippi C. (November 9, 2022).
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On May 17, 2013, the Secretary's Discretionary Advisory Committee on Heritable Diseases in Newborns and Children (
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in affected individuals. Excessive glycogen storage within lysosomes may interrupt normal functioning of other
359: 656:). The HHS secretary must first approve the recommendation before the disease is formally added to the panel. 168: 481:
Pompe disease has an autosomal recessive inheritance pattern. This means the defective gene is located on an
2431: 1922:"Side-Alternating Vibration Training Improves Muscle Performance in a Patient with Late-Onset Pompe Disease" 1376: 1285: 818: 363: 1750:
Chien YH; Lee, NC; Thurberg, BL; Chiang, SC; Zhang, XK; Keutzer, J; Huang, AC; Wu, MH; et al. (2009).
1500: 3036: 2420: 790: 618: 582: 535: 493: 332: 2243: 2994: 2830: 2730: 2480: 527:(T → G) mutation is the most common among adults with this disorder. This mutation interrupts a site of 362:
characterised by a defect in lysosomal metabolism. It was first identified in 1932 by Dutch pathologist
850: 2058:"Clinical and metabolic correction of pompe disease by enzyme therapy in acid maltase-deficient quail" 1523:"Amicus Therapeutics Announces Approval and Launch of New Pompe Disease Therapy in the European Union" 763: 756: 749: 626: 622: 292: 3021: 2896: 2386: 2381: 846: 317: 1707:
Wagner KR (2007). "Enzyme replacement for infantile Pompe disease: the first step toward a cure".
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Francisco, and Duke University. The child, born in June 2021, is thriving as of November 2022.
1460: 701:, rhGAA (Myozyme), the first treatment for patients with Pompe disease, developed by a team of 562:. The deficiency of this enzyme results in the accumulation of structurally normal glycogen in 2972: 2929: 2688: 2190: 2172: 2122: 2087: 2038: 1953: 1894: 1853: 1812: 1773: 1724: 1689: 1631: 1537: 1255:"Myozyme (alglucosidase alfa) Injectable for intravenous infusion Initial U.S. Approval: 2006" 1112: 1063: 1014: 825: 665: 595: 513: 404: 388: 281: 629:. Diagnosis is made by estimating the acid alpha glucosidase activity in either skin biopsy ( 323:
which damages muscle and nerve cells throughout the body. It is caused by an accumulation of
2425: 2414: 2180: 2162: 2114: 2077: 2069: 2028: 2020: 1943: 1933: 1884: 1843: 1804: 1763: 1752:"Pompe disease in infants: improving the prognosis by newborn screening and early treatment" 1716: 1679: 1671: 1623: 1102: 1094: 1053: 1045: 1004: 994: 637: 599: 247: 2752: 1589:"Amicus Therapeutics Announces FDA Approval and Launch of New Treatment for Pompe Disease" 861: 857: 714: 702: 610: 340: 233:
Muscle biopsy showing large vacuoles in a case of Pompe disease (HE stain, frozen section)
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A putative homologue—acid alpha-glucosidase-related gene 1—has been identified in the
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begin treatment is critical, with evidence that days (not weeks or months) matter.
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Glycogen storage disease type II has an autosomal recessive pattern of inheritance.
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has been found to be an effective treatment to prevent an immune response to ERT.
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and three babies receiving enzyme grown in CHO cells at Duke University in 1999.
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Van der Ploeg AT, Kroos MA, Willemsen R, Brons NH, Reuser AJ (February 1991).
999: 738: 630: 555: 517: 431: 2176: 1162: 2953: 2496: 1995: 1034:"The emerging phenotype of long-term survivors with infantile Pompe disease" 767: 571: 567: 539: 509: 455: 415: 400: 225: 2217:"Rare, deadly genetic disease successfully treated in utero for first time" 2194: 2126: 1957: 1898: 1857: 1816: 1777: 1768: 1751: 1728: 1693: 1635: 1308:"Canadian Common Drug Review Recommendations on Public Funding for Myozyme" 1132:"Federal Advisory Committee Recommends Pompe Disease for Newborn Screening" 1116: 1067: 1018: 762:
In September 2023, the FDA approved a two-component therapy of Pombiliti (
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appearance, delayed motor milestones, and feeding difficulties. Moderate
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if you can. Unsourced or poorly sourced material may be challenged and
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Pompe, J.C. (1932). "Over idiopathische hypertrophie van het hart".
1873:"A randomized study of alucosidase alfa in late-onset Pompe disease" 602:. Typical findings are those of an enlarged heart with non specific 1832:"Elimination of antibodies to recombinant enzyme in Pompe disease" 1830:
Mendelsohn NJ; Messinger, YH; Rosenberg, AS; Kishnani, PS (2009).
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in hopes of helping the body create alpha-glucosidase on its own.
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This article incorporates text from this source, which is in the
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that normally degrades the alpha -1,4 and alpha -1,6 linkages in
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Kikuchi T, Yang HW, Pennybacker M, et al. (February 1998).
505: 489: 2310: 2303:— International Association for Muscle Glycogen Storage Disease 1920:
Khan, Aneal; Ramage, Barbara; Robu, Ion; Benard, Laura (2009).
789:(alglucosidase alfa) is a recombinant form of the human enzyme 2279:— Association of Glycogen Storage Disease in the United States 1340:"Lumizyme- alglucosidase alfa injection, powder, for solution" 1161:. The Association for Glycogen Storage Disease. Archived from 520:
is high (80%) and distinct TATA and CCAAT motifs are lacking.
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Genetics of Glycogen-Storage Disease Type II (Pompe Disease)
2662:(Pompe's disease, glucosidase deficiency, formerly GSD-IIa) 755:
In December 2022, the EMA recommended the authorization of
265: 31:(GSD-IIb), which has similar symptoms but a different gene. 1795:
disease type II: results of a phase I/II clinical trial".
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The total birth prevalence of Pompe disease is 1:18,698.
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to add Pompe to the Recommended Uniform Screening Panel (
2773:(von Gierke's disease, glucose 6-phosphatase deficiency) 2618:(Hers' disease, liver glycogen phosphorylase deficiency) 2244:"The Disease Took Zara, Then Sara. Could Ayla Be Saved?" 558:
and is required for the degradation of 1–3% of cellular
828:'s discovery of lysosomes in 1955 for which he won the 219:
Pompe disease; acid maltase deficiency; GSD-IIa; LGMD2V
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As of 2019, many biomedical companies are developing
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Fatal congenital nonlysosomal cardiac glycogenosis (
262: 253: 2944: 2863: 2818: 2784: 2751: 2696: 2683: 2643: 2600: 2591: 2549: 2536: 2494: 2468: 2458: 2445: 2395: 2371: 2359: 2285:— Association of Glycogen Storage Disease in the UK 1249: 1247: 1245: 1243: 1241: 504:The gene spans approximately 20 kb and contains 20 422:may or may not be present. Facial features include 280: 259: 250: 237: 215: 210: 824:The basis for the disease remained a puzzle until 523:Most cases appear to be due to three mutations. A 2717:(Tarui's disease, phosphofructokinase deficiency) 2567:(Andersen's disease, branching enzyme deficiency) 2984:Glycogen Storage Disease Type II (Pompe Disease) 2624:(McArdle's disease, myophosphorylase deficiency) 512:. The promoter has features characteristic of a 211:Pompe disease (Glycogen storage disease type II) 2612:(Cori's disease, debranching enzyme deficiency) 1789: 1787: 1399:"FDA Approves New Treatment for Pompe Disease" 128:Please review the contents of the article and 2322: 2161:(23). Massachusetts Medical Society: 2150–8. 841:, of which 49 have been described (to date). 496:: also known as acid maltase) on long arm of 8: 2794:Glucose-6-phosphate dehydrogenase deficiency 1281:"As Costs Rise, New Medicines Face Pushback" 606:defects. Biochemical investigations include 2810:6-phosphogluconate dehydrogenase deficiency 2860: 2693: 2597: 2546: 2465: 2455: 2368: 2329: 2315: 2307: 291: 224: 207: 2742:Mitochondrial pyruvate carrier deficiency 2184: 2166: 2081: 2032: 1947: 1937: 1888: 1847: 1767: 1683: 1664:Molecular Genetics and Metabolism Reports 1106: 1057: 1008: 998: 898:is based on Crowley's search for a cure. 488:The disease is caused by a mutation in a 447:with a predilection for the lower limbs. 86:Learn how and when to remove this message 3027:Inborn errors of carbohydrate metabolism 2411:Inborn errors of renal tubular transport 1153: 1151: 1149: 935:Inborn errors of carbohydrate metabolism 49:This article includes a list of general 1441:(Press release). Sanofi. August 6, 2021 955: 748:(EMA) recommended the authorization of 686:regarding risk in future pregnancies. 650:Secretary of Health and Human Services 870:Erasmus MC Sophia Children's Hospital 713:designation and was approved under a 450:Late onset features include impaired 7: 2721:Triosephosphate isomerase deficiency 2668:(LAMP2 deficiency, formerly GSD-IIb) 1087:American Journal of Medical Genetics 664:There are exceptions, but levels of 391:. The usual presenting features are 2735:Phosphoglucose isomerase deficiency 2636:(PGM1-CDG, CDG1T, formerly GSD-XIV) 1499:. December 16, 2022. Archived from 1081:Bali, Deeksha (February 15, 2012). 648:) approved a recommendation to the 538:(EC 3.2.1.20)—which is a lysosomal 414:The main clinical findings include 331:due to deficiency of the lysosomal 312:, and formerly known as GSD-IIa or 2766:Fructose bisphosphatase deficiency 2738:Phosphoglycerate kinase deficiency 1721:10.1212/01.wnl.0000253226.13795.40 1159:"Type II Glycogen Storage Disease" 144:"Glycogen storage disease type II" 55:it lacks sufficient corresponding 25: 2630:(phosphorylase kinase deficiency) 2297:— International Pompe Association 2242:Kolata, Gina (November 9, 2022). 1366:"Nexviadyme: Pending EC decision" 434:, and evidence of heart failure. 2973:Glycogen storage disease type II 2660:Glycogen storage disease type II 1809:10.1097/00125817-200103000-00008 1490:"Pombiliti: Pending EC decision" 1419: 303:Glycogen storage disease type II 246: 194: 102: 40: 2761:Pyruvate carboxylase deficiency 2571:Adult polyglucosan body disease 2406:Glucose-galactose malabsorption 2155:New England Journal of Medicine 1409:(Press release). August 6, 2021 1375:. July 23, 2021. Archived from 1214:"FDA Approval News for Myozyme" 705:researchers. This was based on 2561:(glycogen synthase deficiency) 1567:Muscular Dystrophy Association 1279:Anand G (September 18, 2007). 732:In May 2010, the FDA approved 454:, recurrent chest infections, 314:Limb–girdle muscular dystrophy 130:add the appropriate references 1: 3017:Autosomal recessive disorders 2634:Phosphoglucomutase deficiency 2119:10.1016/S0140-6736(00)02533-2 981:Colburn R; Lapidus D (2024). 574:and lead to cellular injury. 2844:AMP-activated protein kinase 1405:Food and Drug Administration 1219:Food and Drug Administration 1191:Food and Drug Administration 919:Autophagic vacuolar myopathy 695:biologic license application 691:Food and Drug Administration 2271:Understanding Pompe Disease 1676:10.1016/j.ymgmr.2016.11.001 1628:10.1016/j.jpeds.2015.10.078 817:The disease is named after 534:The gene encodes a protein— 115:reliable medical references 3053: 3032:Lysosomal storage diseases 2806:(Transketolase deficiency) 2726:Pyruvate kinase deficiency 1449:– via GlobeNewswire. 839:lysosomal storage diseases 772:enzyme replacement therapy 707:enzyme replacement therapy 689:On April 28, 2006, the US 26: 2786:Pentose phosphate pathway 2352:glycogen storage diseases 1871:Van der Ploeg AT (2010). 1616:The Journal of Pediatrics 1542:European Medicines Agency 1495:European Medicines Agency 1466:European Medicines Agency 1371:European Medicines Agency 1000:10.3389/fped.2023.1221140 940:Lysosomal storage disease 764:cipaglucosidase alfa-atga 746:European Medicines Agency 360:glycogen storage diseases 232: 223: 121:or relies too heavily on 2799:Transaldolase deficiency 1926:Case Reports in Medicine 1536:EMA (December 9, 2022). 924:Glycogen storage disease 27:Not to be confused with 2584:(glycogenin deficiency) 2432:Fanconi-Bickel syndrome 2342:carbohydrate metabolism 1973:Ned. Tijdschr. Geneeskd 1286:The Wall Street Journal 987:Frontiers in Pediatrics 971:Genetics Home Reference 832:in 1974. His co-worker 819:Joannes Cassianus Pompe 462:faster than the other. 364:Joannes Cassianus Pompe 70:more precise citations. 18:Acid maltase deficiency 2421:Fructose malabsorption 1769:10.1542/peds.2008-3667 895:Extraordinary Measures 791:acid alpha-glucosidase 673:respiratory weakness. 619:aspartate transaminase 583:Caenorhabditis elegans 536:acid alpha-glucosidase 494:acid alpha-glucosidase 478: 383:Infantile-Onset (IOPD) 333:acid alpha-glucosidase 2831:Primary hyperoxaluria 2731:Aldolase A deficiency 2481:Essential fructosuria 2348:metabolism disorders 2168:10.1056/nejmoa2200587 1890:10.1056/NEJMoa0909859 476: 2486:Fructose intolerance 2382:Congenital alactasia 1849:10.1056/NEJMc0806809 1797:Genetics in Medicine 1569:. September 28, 2023 1503:on December 18, 2022 1099:10.1002/ajmg.c.31319 945:Metabolic myopathies 757:cipaglucosidase alfa 750:avalglucosidase alfa 627:lactic dehydrogenase 623:alanine transaminase 542:. The protein is an 2387:Sucrose intolerance 1939:10.1155/2009/741087 1346:. February 22, 2020 1320:on January 29, 2019 1130:Genetic, Alliance. 1050:10.1038/gim.2012.44 318:autosomal recessive 2945:External resources 2434:(GLUT2 deficiency) 2428:(GLUT1 deficiency) 2248:The New York Times 2223:. November 9, 2022 1134:. Genetic Alliance 931:(formerly GSD-IIb) 860:and colleagues at 744:In July 2021, the 699:alglucosidase alfa 479: 378:Signs and symptoms 321:metabolic disorder 3004: 3003: 2857: 2856: 2780: 2779: 2744:(MPC1 deficiency) 2679: 2678: 2675: 2674: 2532: 2531: 2528: 2527: 2441: 2440: 2025:10.1172/JCI115025 1883:(15): 1396–1406. 1461:"Nexviadyme EPAR" 851:Ans van der Ploeg 826:Christian de Duve 729:cardiomyopathy). 693:(FDA) approved a 666:alpha-glucosidase 596:electrocardiogram 514:housekeeping gene 405:failure to thrive 389:newborn screening 300: 299: 205:Medical condition 203: 202: 179: 96: 95: 88: 16:(Redirected from 3044: 2861: 2694: 2653: 2603: 2598: 2547: 2504: 2474: 2466: 2456: 2415:Renal glycosuria 2369: 2331: 2324: 2317: 2308: 2259: 2258: 2256: 2254: 2239: 2233: 2232: 2230: 2228: 2213: 2207: 2206: 2188: 2170: 2145: 2139: 2138: 2113:(9227): 397–98. 2102: 2096: 2095: 2085: 2053: 2047: 2046: 2036: 2004: 1998: 1987: 1981: 1980: 1968: 1962: 1961: 1951: 1941: 1917: 1911: 1910: 1892: 1868: 1862: 1861: 1851: 1827: 1821: 1820: 1791: 1782: 1781: 1771: 1747: 1741: 1740: 1704: 1698: 1697: 1687: 1654: 1648: 1647: 1610: 1604: 1603: 1601: 1599: 1585: 1579: 1578: 1576: 1574: 1559: 1553: 1552: 1550: 1548: 1533: 1527: 1526: 1519: 1513: 1512: 1510: 1508: 1486: 1480: 1479: 1477: 1475: 1457: 1451: 1450: 1448: 1446: 1435: 1429: 1423: 1422: 1418: 1416: 1414: 1395: 1389: 1388: 1386: 1384: 1379:on July 28, 2021 1362: 1356: 1355: 1353: 1351: 1336: 1330: 1329: 1327: 1325: 1319: 1313:. Archived from 1312: 1304: 1298: 1297: 1295: 1293: 1276: 1270: 1269: 1267: 1265: 1251: 1236: 1235: 1233: 1231: 1222:. Archived from 1210: 1204: 1203: 1201: 1199: 1181: 1175: 1174: 1172: 1170: 1165:on June 23, 2012 1155: 1144: 1143: 1141: 1139: 1127: 1121: 1120: 1110: 1078: 1072: 1071: 1061: 1029: 1023: 1022: 1012: 1002: 978: 972: 960: 638:Electromyography 600:echocardiography 341:skeletal muscles 296: 295: 272: 271: 268: 267: 264: 261: 258: 255: 252: 228: 208: 198: 197: 189: 186: 180: 178: 137: 106: 105: 98: 91: 84: 80: 77: 71: 66:this article by 57:inline citations 44: 43: 36: 21: 3052: 3051: 3047: 3046: 3045: 3043: 3042: 3041: 3007: 3006: 3005: 3000: 2999: 2940: 2939: 2872: 2858: 2853: 2814: 2776: 2753:Gluconeogenesis 2747: 2671: 2644: 2639: 2602:Extralysosomal: 2601: 2587: 2524: 2520:GALE deficiency 2516:GALT deficiency 2511:GALK deficiency 2495: 2490: 2469: 2437: 2426:De Vivo Disease 2391: 2365:(extracellular) 2364: 2355: 2349: 2335: 2267: 2262: 2252: 2250: 2241: 2240: 2236: 2226: 2224: 2215: 2214: 2210: 2147: 2146: 2142: 2104: 2103: 2099: 2074:10.1172/JCI1722 2062:J. Clin. Invest 2055: 2054: 2050: 2013:J. Clin. Invest 2006: 2005: 2001: 1988: 1984: 1970: 1969: 1965: 1919: 1918: 1914: 1870: 1869: 1865: 1829: 1828: 1824: 1793: 1792: 1785: 1762:(6): e1116–25. 1749: 1748: 1744: 1706: 1705: 1701: 1656: 1655: 1651: 1612: 1611: 1607: 1597: 1595: 1587: 1586: 1582: 1572: 1570: 1561: 1560: 1556: 1546: 1544: 1535: 1534: 1530: 1521: 1520: 1516: 1506: 1504: 1488: 1487: 1483: 1473: 1471: 1470:. July 20, 2021 1459: 1458: 1454: 1444: 1442: 1437: 1436: 1432: 1420: 1412: 1410: 1397: 1396: 1392: 1382: 1380: 1364: 1363: 1359: 1349: 1347: 1338: 1337: 1333: 1323: 1321: 1317: 1310: 1306: 1305: 1301: 1291: 1289: 1278: 1277: 1273: 1263: 1261: 1253: 1252: 1239: 1229: 1227: 1226:on May 19, 2006 1212: 1211: 1207: 1197: 1195: 1183: 1182: 1178: 1168: 1166: 1157: 1156: 1147: 1137: 1135: 1129: 1128: 1124: 1080: 1079: 1075: 1031: 1030: 1026: 980: 979: 975: 961: 957: 953: 915: 862:Duke University 858:Yuan-Tsong Chen 856:Later in 1998, 815: 780: 766:) and Opfolda ( 715:priority review 703:Duke University 683: 662: 611:creatine kinase 592: 471: 444: 442:Late onset form 385: 380: 372: 290: 276: 249: 245: 206: 199: 195: 190: 184: 181: 138: 127: 123:primary sources 107: 103: 92: 81: 75: 72: 62:Please help to 61: 45: 41: 32: 23: 22: 15: 12: 11: 5: 3050: 3048: 3040: 3039: 3034: 3029: 3024: 3019: 3009: 3008: 3002: 3001: 2998: 2997: 2986: 2975: 2964: 2949: 2948: 2946: 2942: 2941: 2938: 2937: 2926: 2915: 2904: 2889: 2873: 2868: 2867: 2865: 2864:Classification 2855: 2854: 2852: 2851: 2840: 2835: 2834: 2833: 2822: 2820: 2816: 2815: 2813: 2812: 2807: 2801: 2796: 2790: 2788: 2782: 2781: 2778: 2777: 2775: 2774: 2768: 2763: 2757: 2755: 2749: 2748: 2746: 2745: 2739: 2736: 2733: 2728: 2723: 2718: 2712: 2702: 2700: 2691: 2681: 2680: 2677: 2676: 2673: 2672: 2670: 2669: 2663: 2656: 2654: 2641: 2640: 2638: 2637: 2631: 2625: 2619: 2613: 2606: 2604: 2595: 2593:Glycogenolysis 2589: 2588: 2586: 2585: 2579: 2577:Lafora disease 2574: 2568: 2562: 2555: 2553: 2544: 2534: 2533: 2530: 2529: 2526: 2525: 2523: 2522: 2513: 2507: 2505: 2492: 2491: 2489: 2488: 2483: 2477: 2475: 2463: 2460:Monosaccharide 2453: 2443: 2442: 2439: 2438: 2436: 2435: 2429: 2423: 2418: 2408: 2402: 2400: 2397:Monosaccharide 2393: 2392: 2390: 2389: 2384: 2378: 2376: 2366: 2357: 2356: 2346:monosaccharide 2336: 2334: 2333: 2326: 2319: 2311: 2305: 2304: 2298: 2292: 2286: 2280: 2274: 2266: 2265:External links 2263: 2261: 2260: 2234: 2208: 2140: 2097: 2048: 1999: 1982: 1963: 1912: 1863: 1822: 1783: 1742: 1699: 1649: 1622:: 174–180.e1. 1605: 1580: 1554: 1528: 1514: 1481: 1452: 1430: 1390: 1357: 1331: 1299: 1271: 1237: 1205: 1176: 1145: 1122: 1073: 1024: 973: 954: 952: 949: 948: 947: 942: 937: 932: 926: 921: 914: 911: 814: 811: 779: 776: 682: 679: 661: 660:Classification 658: 591: 588: 470: 467: 443: 440: 393:cardiomyopathy 384: 381: 379: 376: 371: 368: 349:nervous system 308:, also called 298: 297: 284: 278: 277: 275: 274: 241: 239: 235: 234: 230: 229: 221: 220: 217: 213: 212: 204: 201: 200: 193: 191: 110: 108: 101: 94: 93: 48: 46: 39: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3049: 3038: 3037:Rare diseases 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3018: 3015: 3014: 3012: 2996: 2992: 2991: 2987: 2985: 2981: 2980: 2976: 2974: 2970: 2969: 2965: 2963: 2960: 2956: 2955: 2951: 2950: 2947: 2943: 2936: 2932: 2931: 2927: 2925: 2921: 2920: 2916: 2914: 2910: 2909: 2905: 2903: 2899: 2898: 2894: 2890: 2888: 2884: 2883: 2879: 2875: 2874: 2871: 2866: 2862: 2849: 2845: 2841: 2839: 2836: 2832: 2829: 2828: 2827: 2826:Hyperoxaluria 2824: 2823: 2821: 2817: 2811: 2808: 2805: 2802: 2800: 2797: 2795: 2792: 2791: 2789: 2787: 2783: 2772: 2769: 2767: 2764: 2762: 2759: 2758: 2756: 2754: 2750: 2743: 2740: 2737: 2734: 2732: 2729: 2727: 2724: 2722: 2719: 2716: 2713: 2711: 2707: 2704: 2703: 2701: 2699: 2695: 2692: 2690: 2686: 2682: 2667: 2666:Danon disease 2664: 2661: 2658: 2657: 2655: 2651: 2647: 2642: 2635: 2632: 2629: 2626: 2623: 2620: 2617: 2614: 2611: 2608: 2607: 2605: 2599: 2596: 2594: 2590: 2583: 2580: 2578: 2575: 2572: 2569: 2566: 2563: 2560: 2557: 2556: 2554: 2552: 2548: 2545: 2543: 2539: 2535: 2521: 2517: 2514: 2512: 2509: 2508: 2506: 2502: 2498: 2493: 2487: 2484: 2482: 2479: 2478: 2476: 2472: 2467: 2464: 2461: 2457: 2454: 2452: 2448: 2444: 2433: 2430: 2427: 2424: 2422: 2419: 2416: 2412: 2409: 2407: 2404: 2403: 2401: 2398: 2394: 2388: 2385: 2383: 2380: 2379: 2377: 2374: 2370: 2367: 2362: 2358: 2353: 2347: 2343: 2339: 2332: 2327: 2325: 2320: 2318: 2313: 2312: 2309: 2302: 2299: 2296: 2293: 2290: 2287: 2284: 2281: 2278: 2275: 2272: 2269: 2268: 2264: 2249: 2245: 2238: 2235: 2222: 2218: 2212: 2209: 2204: 2200: 2196: 2192: 2187: 2182: 2178: 2174: 2169: 2164: 2160: 2156: 2152: 2144: 2141: 2136: 2132: 2128: 2124: 2120: 2116: 2112: 2108: 2101: 2098: 2093: 2089: 2084: 2079: 2075: 2071: 2068:(4): 827–33. 2067: 2063: 2059: 2052: 2049: 2044: 2040: 2035: 2030: 2026: 2022: 2019:(2): 513–18. 2018: 2014: 2010: 2003: 2000: 1997: 1993: 1992: 1986: 1983: 1978: 1974: 1967: 1964: 1959: 1955: 1950: 1945: 1940: 1935: 1931: 1927: 1923: 1916: 1913: 1908: 1904: 1900: 1896: 1891: 1886: 1882: 1878: 1874: 1867: 1864: 1859: 1855: 1850: 1845: 1842:(2): 194–95. 1841: 1837: 1833: 1826: 1823: 1818: 1814: 1810: 1806: 1803:(2): 132–38. 1802: 1798: 1790: 1788: 1784: 1779: 1775: 1770: 1765: 1761: 1757: 1753: 1746: 1743: 1738: 1734: 1730: 1726: 1722: 1718: 1714: 1710: 1703: 1700: 1695: 1691: 1686: 1681: 1677: 1673: 1669: 1665: 1661: 1653: 1650: 1645: 1641: 1637: 1633: 1629: 1625: 1621: 1617: 1609: 1606: 1598:September 29, 1594: 1590: 1584: 1581: 1573:September 29, 1568: 1564: 1558: 1555: 1547:September 29, 1543: 1539: 1532: 1529: 1524: 1518: 1515: 1502: 1498: 1496: 1491: 1485: 1482: 1469: 1467: 1462: 1456: 1453: 1440: 1434: 1431: 1427: 1426:public domain 1408: 1406: 1400: 1394: 1391: 1378: 1374: 1372: 1367: 1361: 1358: 1345: 1341: 1335: 1332: 1316: 1309: 1303: 1300: 1288: 1287: 1282: 1275: 1272: 1260: 1256: 1250: 1248: 1246: 1244: 1242: 1238: 1225: 1221: 1220: 1215: 1209: 1206: 1194: 1192: 1186: 1180: 1177: 1164: 1160: 1154: 1152: 1150: 1146: 1133: 1126: 1123: 1118: 1114: 1109: 1104: 1100: 1096: 1092: 1088: 1084: 1077: 1074: 1069: 1065: 1060: 1055: 1051: 1047: 1044:(9): 800–10. 1043: 1039: 1035: 1028: 1025: 1020: 1016: 1011: 1006: 1001: 996: 992: 988: 984: 977: 974: 970: 966: 965: 964:Pompe disease 959: 956: 950: 946: 943: 941: 938: 936: 933: 930: 929:Danon disease 927: 925: 922: 920: 917: 916: 912: 910: 906: 904: 899: 897: 896: 890: 886: 882: 879: 878:Henri Termeer 873: 871: 865: 863: 859: 854: 852: 848: 847:Arnold Reuser 842: 840: 835: 834:Henri G. Hers 831: 827: 822: 820: 812: 810: 806: 802: 798: 794: 792: 788: 784: 777: 775: 773: 769: 765: 760: 758: 753: 751: 747: 742: 740: 735: 730: 727: 726:Health Canada 722: 718: 716: 712: 708: 704: 700: 696: 692: 687: 680: 678: 674: 670: 667: 659: 657: 655: 651: 647: 642: 639: 634: 632: 628: 624: 620: 616: 612: 609: 605: 601: 597: 589: 587: 585: 584: 580: 575: 573: 569: 565: 561: 557: 553: 549: 545: 541: 537: 532: 530: 526: 521: 519: 515: 511: 507: 502: 499: 498:chromosome 17 495: 491: 486: 484: 475: 468: 466: 463: 459: 457: 453: 448: 441: 439: 435: 433: 429: 425: 421: 417: 412: 410: 409:immunotherapy 406: 402: 398: 394: 390: 382: 377: 375: 369: 367: 365: 361: 358:are the only 357: 356:Danon disease 352: 350: 346: 342: 338: 334: 330: 326: 322: 319: 315: 311: 310:Pompe disease 307: 304: 294: 288: 287:Endocrinology 285: 283: 279: 270: 243: 242: 240: 238:Pronunciation 236: 231: 227: 222: 218: 214: 209: 192: 188: 185:February 2023 177: 174: 170: 167: 163: 160: 156: 153: 149: 146: –  145: 141: 140:Find sources: 135: 131: 125: 124: 120: 116: 111:This article 109: 100: 99: 90: 87: 79: 69: 65: 59: 58: 52: 47: 38: 37: 34: 30: 29:Danon disease 19: 2988: 2977: 2966: 2952: 2928: 2917: 2906: 2891: 2876: 2846:deficiency, 2715:GSD type VII 2659: 2610:GSD type III 2551:Glycogenesis 2501:galactosemia 2373:Disaccharide 2338:Inborn error 2253:November 26, 2251:. Retrieved 2247: 2237: 2227:November 10, 2225:. Retrieved 2220: 2211: 2158: 2154: 2143: 2110: 2106: 2100: 2065: 2061: 2051: 2016: 2012: 2002: 1989: 1985: 1976: 1972: 1966: 1929: 1925: 1915: 1880: 1877:N Engl J Med 1876: 1866: 1839: 1836:N Engl J Med 1835: 1825: 1800: 1796: 1759: 1755: 1745: 1715:(2): 88–89. 1712: 1708: 1702: 1667: 1663: 1652: 1619: 1615: 1608: 1596:. Retrieved 1592: 1583: 1571:. Retrieved 1566: 1557: 1545:. Retrieved 1541: 1531: 1517: 1507:December 18, 1505:. Retrieved 1501:the original 1493: 1484: 1474:December 18, 1472:. Retrieved 1464: 1455: 1443:. Retrieved 1433: 1411:. Retrieved 1402: 1393: 1381:. Retrieved 1377:the original 1369: 1360: 1348:. Retrieved 1343: 1334: 1322:. Retrieved 1315:the original 1302: 1292:December 18, 1290:. Retrieved 1284: 1274: 1264:December 18, 1262:. Retrieved 1258: 1230:December 16, 1228:. Retrieved 1224:the original 1217: 1208: 1198:December 18, 1196:. Retrieved 1188: 1179: 1167:. Retrieved 1163:the original 1136:. Retrieved 1125: 1093:(1): 40–49. 1090: 1086: 1076: 1041: 1037: 1027: 990: 986: 976: 962: 958: 907: 903:gene therapy 900: 893: 889:John Crowley 887: 883: 874: 866: 855: 843: 823: 816: 807: 803: 799: 795: 785: 781: 761: 754: 743: 731: 723: 719: 688: 684: 675: 671: 663: 643: 635: 593: 581: 576: 533: 529:RNA splicing 525:transversion 522: 503: 487: 480: 464: 460: 449: 445: 436: 428:cardiomegaly 424:macroglossia 420:hepatomegaly 413: 397:cardiomegaly 386: 373: 370:Epidemiology 353: 309: 305: 302: 301: 182: 172: 165: 158: 151: 139: 119:verification 112: 82: 76:January 2021 73: 54: 33: 2979:GeneReviews 2628:GSD type IX 2616:GSD type VI 2582:GSD type XV 2565:GSD type IV 2363:, transport 1593:www.sec.gov 1538:"Pombiliti" 830:Nobel Prize 711:orphan drug 631:fibroblasts 432:arrhythmias 416:floppy baby 354:GSD-II and 216:Other names 113:needs more 68:introducing 3022:Hepatology 3011:Categories 2968:Patient UK 2930:DiseasesDB 2838:Pentosuria 2771:GSD type I 2698:Glycolysis 2622:GSD type V 2559:GSD type 0 2462:catabolism 2375:catabolism 2350:Including 1932:: 741087. 1756:Pediatrics 1670:: 98–105. 1350:August 14, 951:References 739:bioreactor 697:(BLA) for 604:conduction 572:organelles 556:isomaltose 518:GC content 316:2V, is an 155:newspapers 51:references 2954:eMedicine 2646:Lysosomal 2497:Galactose 2399:transport 2203:253444841 2177:0028-4793 1996:eMedicine 1979:: 304–12. 1709:Neurology 1445:August 6, 1413:August 6, 1038:Genet Med 778:Prognosis 768:miglustat 681:Treatment 590:Diagnosis 568:cytoplasm 564:lysosomes 540:hydrolase 456:hypotonia 401:hypotonia 282:Specialty 2990:Orphanet 2962:ped/1866 2542:glycogen 2471:Fructose 2195:36351280 2186:10794051 2135:54268990 2127:10972374 1958:19710926 1899:20393176 1858:19129538 1817:11286229 1778:19948615 1737:42540784 1729:17210887 1694:27896132 1636:26685070 1383:July 27, 1344:DailyMed 1324:June 23, 1259:DailyMed 1117:22252923 1068:22538254 1019:38274468 1010:10810242 913:See also 734:Lumizyme 641:sample. 615:aldolase 579:nematode 560:glycogen 548:glycogen 483:autosome 347:and the 329:lysosome 325:glycogen 306:(GSD-II) 2959:med/908 2924:D006009 2685:Glucose 2538:Glucose 2451:glucose 2361:Sucrose 2283:AGSD-UK 2221:CTVNews 2092:9466978 2043:1991835 1949:2729289 1907:5216178 1685:5121151 1644:4504302 1169:May 22, 1138:May 17, 1108:3278076 1059:3947503 813:History 787:Myozyme 646:DACHDNC 552:maltose 327:in the 169:scholar 134:removed 64:improve 2913:232300 2848:PRKAG2 2706:MODY 2 2573:(APBD) 2447:Hexose 2301:IamGSD 2201:  2193:  2183:  2175:  2133:  2125:  2107:Lancet 2090:  2083:508631 2080:  2041:  2034:296338 2031:  1956:  1946:  1905:  1897:  1856:  1815:  1776:  1735:  1727:  1692:  1682:  1642:  1634:  1115:  1105:  1066:  1056:  1017:  1007:  544:enzyme 516:. 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Index

Acid maltase deficiency
Danon disease
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removed
"Glycogen storage disease type II"
news
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scholar
JSTOR

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Specialty
Endocrinology
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Limb–girdle muscular dystrophy
autosomal recessive
metabolic disorder
glycogen
lysosome
acid alpha-glucosidase
heart

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