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Type IV collagen

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183: 511: 470: 529:, the major structural component of nearly all mammalian tissues, undergoes extensive proteolytic remodeling during developmental states and a variety of life-threatening diseases such as cancer, myocardial infarction, and fibrosis. While degraded collagen could be an important marker of tissue damage, it is difficult to detect and target using conventional tools. As a result, a collagen hybridizing peptide is specifically hybridized to the degraded, unfolded collagen chains, can be used to image degraded collagen and inform tissue remodeling activity in various tissues. 422: 206: 134: 556: 234:, the basement membrane collagen IV networks not only provide structural support to the cells and tissues, but they also affect the biological rate during and after the development. New discoveries keep unraveling information about genetic mutations, biosynthesis, molecular assembly, and network formation of type IV collagen, and this increases the understanding of the critical role of this collagen in health and disease. 403:, and the 13q34 locus harboring these genes is one of the 160 genome-wide significant risk loci for coronary artery disease. COL4A1 and COL4A2 encode the α1- and α2-chains of collagen type IV. This is a major component of basement membranes in various tissues including arteries. There are clinical reports linking 13q34 to 383:
In humans, a novel mutation of the COL4A1 gene coding for collagen type IV was found to be associated with autosomal dominant congenital cataract in a Chinese family. This mutation was not found in unaffected family members or in 200 unrelated controls. In this study, sequence analysis confirmed that
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The most common collagen is type I collagen which makes up 90% of all collagen. It is found in all dermal layers at high proportions while type IV collagen is only found at the basement membrane of the epidermal junction. Despite their differences in commonality, they are both strongly altered during
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The C4 Domain at the C-terminus is not removed in the post-translational process, and as a result, the structure of the fibers are linked in a "head-to-head" format instead of in a parallel fashion. It also lacks a glycine in every third amino acid residue that is responsible for the tight collagen
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To summarize, the process of collagen synthesis occurs mainly in the cells of fibroblasts which are specialized cells with the main function of synthesizing collagen. Collagen synthesis occurs both intracellularly and extracellularly. However, when looking specifically at type IV collagen, it is
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Additionally, in the cardiovascular field, the COL4A1 and COL4A2 regions on chromosome 13q34 are a highly replicated locus for coronary artery disease. In a normal wall of arteries, collagen type IV acts to inhibit smooth muscle cell proliferation. Accordingly, it was demonstrated that protein
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Collagen IV has been the focus of extensive research ranging from biochemistry perspectives, to pathology, and genetic disorders. This is the only collagen type that is encoded by six different genes. The six α-chains of collagen IV can recognize each other with incredible specificity and will
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The general correlation between the level of collagen remodeling and the amount of denatured collagen in tissue, show that the collagen hybridizing peptide probes can be used across species and collagen types (including type IV collagen), providing a versatile tool for not only pathology and
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the Gly782 amino acid residue was highly conserved. This report of a new mutation in the COL4A1 gene is the first report of a non-syndromic autosomal dominant congenital cataract that highlights an important role for collagen type IV in the physiological and optical properties of the lens.
230:. After secretion into the extracellular membrane, these molecules will further interact to form higher molecular organizations. These, along with other proteins, will form unique basement membranes in tissue-specific manners. Through interactions with specific cellular receptors such as 881:
Tsutsumi M, Takase S, Urashima S, Ueshima Y, Kawahara H, Takada A (December 1996). "Serum markers for hepatic fibrosis in alcoholic liver disease: which is the best marker, type III procollagen, type IV collagen, laminin, tissue inhibitor of metalloproteinase, or prolyl hydroxylase?".
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Depending on genetic and nongenetic factors including alterations in gene expression, splice variations, post-translational modifications, and the chain-specific assembly of particular α-chains, different organs can be affected during their development and in the adult life span.
53:. This makes the overall arrangement more sloppy with kinks. These two features cause the collagen to form in a sheet, the form of the basal lamina. Collagen IV is the more common usage, as opposed to the older terminology of "type-IV collagen". Collagen IV exists in all 415:
expression of collagen type IV in human vascular smooth muscle cells is regulated by both SMAD3 protein and TGFβ mediated stimulation of mRNA. Altogether, it was concluded that the pathogenesis of coronary artery disease may be regulated by COL4A1 and COL4A2 genes.
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Smigiel R, Cabala M, Jakubiak A, Kodera H, Sasiadek MJ, Matsumoto N, et al. (April 2016). "Novel COL4A1 mutation in an infant with severe dysmorphic syndrome with schizencephaly, periventricular calcifications, and cataract resembling congenital infection".
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Patients may present with general fatigue, weakness, poor wound healing, anemia, and gum disease. Clinically, one of the first signs of scurvy occurs on the skin and manifests as perifollicular hemorrhage where follicles of the skin are plugged with
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Okonogi H, Nishimura M, Utsunomiya Y, Hamaguchi K, Tsuchida H, Miura Y, et al. (May 2001). "Urinary type IV collagen excretion reflects renal morphological alterations and type IV collagen expression in patients with type 2 diabetes mellitus".
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evolves into a collagen IV superstructure by "end-to-end" and lateral connections between collagen IV protomers. The collagen molecule is then formed. Lastly, the type IV collagen molecules bind together to form a complex protein network.
463:. The interaction between type IV collagen produced by the cancer cell, and integrins on the surface of the cancer cells, are important for continuous cancer cell growth, maintenance of a migratory phenotype, and for avoiding apoptosis. 488:
is a nutritional deficiency of water-soluble vitamin C or ascorbic acid. It is rare in the developing world and is mostly seen in infants, the elderly, and alcoholics, all who may have inadequate nutritional intake and malnutrition.
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Labeled with 5-carboxyfluorescein and biotin, the collagen hybridizing peptide can enable direct localization and quantification of collagen degradation in isolated tissues within pathologic states ranging from osteoarthritis and
158:. The next step in assembly is collagen IV dimerization. Two collagen IV protomers associate through the carboxy-terminal NC1 trimer to form the NC1 hexamer. These interactions form the core of the type IV collagen scaffold. The 917:
Yabu K, Kiyosawa K, Mori H, Matsumoto A, Yoshizawa K, Tanaka E, Furuta S (May 1994). "Serum collagen type IV for the assessment of fibrosis and resistance to interferon therapy in chronic hepatitis C".
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Type IV collagen is a type of collagen that is responsible for providing a scaffold for stability and assembly. It is also predominantly found in extracellular basement membranes. It aids in
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Turner AW, Nikpay M, Silva A, Lau P, Martinuk A, Linseman TA, et al. (October 2015). "Functional interaction between COL4A1/COL4A2 and SMAD3 risk loci for coronary artery disease".
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is synthesized by the assembly of a specific trimer, when the three NC1 domains initiate molecular interactions between the three α-chains. Protomer trimerization then proceeds from the
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Boute N, Exposito JY, Boury-Esnault N, Vacelet J, Noro N, Miyazaki K, et al. (1996). "Type IV collagen in sponges, the missing link in basement membrane ubiquity".
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are associated with the deposition of collagen IV in the liver. Serum Collagen IV concentrations correlate with hepatic tissue levels of collagen IV in subjects with
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at the C-terminus is not removed in post-translational processing, and the fibers link head-to-head, rather than in parallel. Also, collagen IV lacks the regular
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Yoneda Y, Haginoya K, Kato M, Osaka H, Yokochi K, Arai H, et al. (January 2013). "Phenotypic spectrum of COL4A1 mutations: porencephaly to schizencephaly".
421: 1424: 205: 850:"Characterization of type I and IV collagens by Raman microspectroscopy: Identification of spectral markers of the dermo-epidermal junction" 497:. These areas appear as bruise-like spots around the hair follicles. There can also be fragile hairs arranged in a corkscrew confirmation. 2072: 767:"Type IV collagen stimulates pancreatic cancer cell proliferation, migration, and inhibits apoptosis through an autocrine loop" 2082: 1417: 305: 1804: 1708: 1683: 555: 155: 1836: 1765: 1703: 1698: 1375: 293: 1754: 1713: 1600: 1595: 1590: 1584: 1503: 545:, as well as in normal tissues during developmental programs associated with embryonic bone formation and skin aging. 1792: 1728: 1671: 1643: 1633: 1563: 1496: 301: 69: 42: 1078:"A novel COL4A1 gene mutation results in autosomal dominant non-syndromic congenital cataract in a Chinese family" 1781: 1516: 1478: 1410: 1396: 227: 124: 404: 324: 400: 396: 1850: 534: 504:
and inhibits the transcription of various types of collagen found in skin, blood vessels, and tissue.
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Plaisier E, Gribouval O, Alamowitch S, Mougenot B, Prost C, Verpont MC, et al. (December 2007).
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An autosomal recessive encephalopathy associated with mutations in this gene has also been reported.
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upon the antigenic site on the alpha-3 subunit becomes unsequestered due to environmental exposures.
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Type IV collagen is a main component of basement membranes in various tissues (arteries included).
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Calcified cartilage, hemorrhage in fibrous marrow, and abnormally thin bone cortex due to scurvy
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This autocrine loop provides essential cell survival signals to the pancreatic cancer cells.
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Yaramis A, Lochmüller H, Töpf A, Sonmezler E, Yilmaz E, Hiz S, et al. (February 2020).
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Hwang J, Huang Y, Burwell TJ, Peterson NC, Connor J, Weiss SJ, et al. (October 2017).
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The alpha-3 subunit (COL4A3) of collagen IV is thought to be the antigen implicated in
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helix, as a result it will be more flexible and kinked than other types of collagen.
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and increased urinary levels are associated with the extent of renal injury.
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Nguyen TT, Gobinet C, Feru J, Pasco SB, Manfait M, Piot O (October 2012).
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developmental biology research, but also disease diagnosis via histology.
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located in the collagen ( COL) 4A1 and COL4A2 genes to be associated with
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Xia XY, Li N, Cao X, Wu QY, Li TF, Zhang C, et al. (August 2014).
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Increased glomerular and mesangial deposition of collagen IV occurs in
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Over the past decade, studies have repeatedly found single-nucleotide
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Non-fibrillar collagen found in the structure of basement membranes
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Birth Defects Research. Part A, Clinical and Molecular Teratology
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American Journal of Physiology. Heart and Circulatory Physiology
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phyla, to whom they served as an evolutionary stepping stone to
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Type IV collagen is expressed close to the cancer cells
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Mutations to the genes coding for collagen IV lead to
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How does Type IV collagen differ from Type I collagen?
363:). It has also been confirmed that mutations in the 2046: 1962: 1868: 1818: 1547: 1464: 1455: 1444: 1125: 1123: 702: 700: 698: 696: 308:manner, although there are rarer autosomal forms. 651:Khoshnoodi J, Pedchenko V, Hudson BG (May 2008). 646: 644: 642: 292:. This will cause thinning and splitting of the 500:A lack of ascorbic acid leads to epigenetic DNA 49:in every third residue necessary for the tight, 1225:. Treasure Island (FL): StatPearls Publishing. 829:. Treasure Island (FL): StatPearls Publishing. 437:This type of collagen can cause an increase in 1177: 1175: 1130:Steffensen LB, Rasmussen LM (September 2018). 884:Alcoholism: Clinical and Experimental Research 64:There are six human genes associated with it: 1418: 1244: 1242: 1240: 760: 758: 756: 754: 427:Fatty deposits causing coronary artery plaque 8: 475:Pancreatic cancer cell in high magnification 280:. This is classically in young adult males. 1071: 1069: 821:Wu M, Cronin K, Crane JS (September 2022). 343:exons 24 and 25 are associated with HANAC ( 1461: 1452: 1425: 1411: 1403: 713:North American Journal of Medical Sciences 707:Abreu-Velez AM, Howard MS (January 2012). 1395:at the U.S. National Library of Medicine 1327: 1274: 1147: 1103: 1093: 970: 865: 816: 814: 812: 792: 782: 734: 724: 676: 920:Scandinavian Journal of Gastroenterology 246:, wherein the immune system attacks the 595: 551: 506: 465: 417: 331:and fall following successful therapy. 201: 178: 129: 211:Parallel direction of fibers in Type I 1217:Maxfield L, Crane JS (October 2022). 1196:10.1016/j.atherosclerosis.2015.08.008 7: 441:cancer cells and is able to inhibit 167:mostly synthesized extracellularly. 2073:Cartilage oligomeric matrix protein 959:The New England Journal of Medicine 896:10.1111/j.1530-0277.1996.tb01692.x 823:"Biochemistry, Collagen Synthesis" 25: 657:Microscopy Research and Technique 367:gene occur in some patients with 554: 509: 468: 420: 204: 181: 132: 296:. It will present as isolated 1: 617:10.1016/S0248-4900(97)86829-3 561:Collagen hybridizing peptides 522:Collagen Hybridizing Peptides 199:aging or cancer progression. 154:to yield the fully assembled 1837:Cartilage associated protein 1320:10.1212/NXG.0000000000000392 294:glomerular basement membrane 1149:10.1152/ajpheart.00070.2018 31:Collagen IV (ColIV or Col4) 2120: 302:sensorineural hearing loss 1095:10.1186/s12881-014-0097-2 932:10.3109/00365529409096841 1397:Medical Subject Headings 784:10.1186/1471-2407-13-154 1267:10.1021/acsnano.7b03150 1219:"Vitamin C Deficiency." 726:10.4103/1947-2714.92892 653:"Mammalian collagen IV" 433:Pancreatic Cancer Cells 405:coronary artery disease 325:alcoholic liver disease 146:To begin, this type of 37:found primarily in the 401:cardiovascular disease 388:Cardiovascular Disease 1851:Procollagen peptidase 535:myocardial infarction 226:assemble into unique 217:Clinical significance 43:collagen IV C4 domain 1082:BMC Medical Genetics 972:10.1056/NEJMoa071906 571:diabetic nephropathy 262:Goodpasture syndrome 244:Goodpasture syndrome 238:Goodpasture Syndrome 188:Tight collagen helix 1354:Clinical Nephrology 1308:Neurology. Genetics 996:Annals of Neurology 867:10.1155/2012/686183 605:Biology of the Cell 379:Congenital Cataract 2017:Matrix gla protein 1828:Prolyl hydroxylase 1052:10.1002/bdra.23488 669:10.1002/jemt.20564 543:pulmonary fibrosis 539:glomerulonephritis 461:integrin receptors 345:autosomal dominant 278:immunofluorescence 266:nephritic syndrome 248:basement membranes 2091: 2090: 2042: 2041: 1864: 1863: 1832:Lysyl hydroxylase 1623:basement membrane 1261:(10): 9825–9835. 1008:10.1002/ana.23736 965:(26): 2687–2695. 123:, expansion, and 16:(Redirected from 2111: 1462: 1453: 1427: 1420: 1413: 1404: 1393:Collagen+type+IV 1380: 1379: 1374: 1348: 1342: 1341: 1331: 1295: 1289: 1288: 1278: 1246: 1235: 1234: 1214: 1208: 1207: 1179: 1170: 1169: 1151: 1142:(3): H610–H625. 1127: 1118: 1117: 1107: 1097: 1073: 1064: 1063: 1034: 1028: 1027: 991: 985: 984: 974: 950: 944: 943: 914: 908: 907: 890:(9): 1512–1517. 878: 872: 871: 869: 860:(5–6): 421–427. 845: 839: 838: 818: 807: 806: 796: 786: 762: 749: 748: 738: 728: 704: 691: 690: 680: 648: 637: 636: 600: 558: 513: 502:hypermethylation 472: 424: 274:Immunoglobulin G 208: 185: 152:carboxy terminus 136: 59:multicellularity 21: 18:Collagen type IV 2119: 2118: 2114: 2113: 2112: 2110: 2109: 2108: 2094: 2093: 2092: 2087: 2038: 1958: 1860: 1814: 1697:transmembrane: 1543: 1447: 1440: 1431: 1389: 1384: 1383: 1372: 1350: 1349: 1345: 1297: 1296: 1292: 1248: 1247: 1238: 1216: 1215: 1211: 1184:Atherosclerosis 1181: 1180: 1173: 1129: 1128: 1121: 1075: 1074: 1067: 1036: 1035: 1031: 993: 992: 988: 952: 951: 947: 916: 915: 911: 880: 879: 875: 847: 846: 842: 820: 819: 810: 764: 763: 752: 706: 705: 694: 650: 649: 640: 602: 601: 597: 592: 579: 562: 559: 524: 517: 514: 483: 476: 473: 435: 428: 425: 409:atherosclerosis 390: 381: 337: 314: 290:Alport syndrome 286: 284:Alport Syndrome 240: 219: 212: 209: 196: 189: 186: 173: 144: 137: 125:differentiation 109: 28: 23: 22: 15: 12: 11: 5: 2117: 2115: 2107: 2106: 2096: 2095: 2089: 2088: 2086: 2085: 2080: 2076: 2075: 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60: 56: 52: 48: 44: 40: 36: 33:is a type of 32: 19: 1980:Tropoelastin 1936: 1909: 1877: 1787: 1777: 1760: 1750: 1721: 1676: 1626: 1580: 1558: 1509: 1502: 1490: 1471: 1357: 1353: 1346: 1311: 1307: 1301: 1293: 1258: 1254: 1222: 1212: 1187: 1183: 1139: 1135: 1085: 1081: 1043: 1039: 1032: 1002:(1): 48–57. 999: 995: 989: 962: 958: 948: 923: 919: 912: 887: 883: 876: 857: 854:Spectroscopy 853: 843: 826: 774: 770: 716: 712: 660: 656: 608: 604: 598: 568: 565: 547: 531: 525: 499: 491: 484: 456: 454: 451: 436: 413: 394: 391: 382: 369:porencephaly 364: 340: 338: 315: 287: 260: 241: 224: 220: 197: 174: 165: 145: 110: 98: 92: 86: 80: 74: 68: 63: 39:basal lamina 30: 29: 2058:Cytokeratin 1987:Vitronectin 1668:multiplexin 1314:(1): e392. 1223:StatPearls 827:StatPearls 445:through an 353:nephropathy 347:hereditary 329:hepatitis C 1689:Endostatin 1678:type XVIII 771:BMC Cancer 719:(1): 1–8. 590:References 439:pancreatic 349:angiopathy 270:hemoptysis 2104:Collagens 2068:Reticulin 1761:type VIII 443:apoptosis 357:aneurysms 321:cirrhosis 298:hematuria 252:glomeruli 232:integrins 171:Structure 142:Synthesis 117:migration 2098:Category 2083:diseases 2079:See also 2022:Tectorin 1841:Leprecan 1751:type VII 1581:type XII 1504:type III 1457:Collagen 1366:11393380 1338:32042920 1285:28877431 1255:ACS Nano 1231:29630239 1204:26310581 1158:29677463 1114:25124159 1060:26879631 1016:23225343 981:18160688 835:29939531 803:23530721 745:22393540 687:18219669 633:32293092 577:See also 527:Collagen 306:X-linked 254:and the 160:scaffold 156:protomer 148:collagen 121:survival 107:Function 55:metazoan 35:collagen 2063:Gelatin 2054:Keratin 2002:Decorin 1975:Elastin 1870:Laminin 1846:ADAMTS2 1820:Enzymes 1810:COL28A1 1805:COL27A1 1798:COL11A2 1793:COL11A1 1788:type XI 1782:COL10A1 1723:type VI 1720:other: 1714:COL25A1 1709:COL23A1 1704:COL17A1 1699:COL13A1 1684:COL18A1 1672:COL15A1 1628:type IV 1616:COL22A1 1611:COL21A1 1606:COL20A1 1601:COL19A1 1596:COL16A1 1591:COL14A1 1585:COL12A1 1559:type IX 1539:COL26A1 1534:COL24A1 1492:type II 1434:Protein 1329:6975172 1276:5656977 1166:5018123 1105:4236509 1024:3218598 940:7518613 904:8986196 794:3618250 777:: 154. 736:3289483 678:4788096 625:9175266 583:Spongin 495:keratin 457:in vivo 256:alveoli 250:of the 47:glycine 41:. The 2007:FAM20C 1778:type X 1771:COL8A2 1766:COL8A1 1755:COL7A1 1744:COL6A5 1739:COL6A3 1734:COL6A2 1729:COL6A1 1659:COL4A6 1654:COL4A5 1649:COL4A4 1644:COL4A3 1639:COL4A2 1634:COL4A1 1574:COL9A3 1569:COL9A2 1564:COL9A1 1527:COL5A3 1522:COL5A2 1517:COL5A1 1511:type V 1497:COL2A1 1484:COL1A2 1479:COL1A1 1473:type I 1448:matrix 1399:(MeSH) 1376:985198 1373:  1364:  1336:  1326:  1302:COL4A1 1283:  1273:  1229:  1202:  1164:  1156:  1112:  1102:  1088:: 97. 1058:  1022:  1014:  979:  938:  902:  833:  801:  791:  743:  733:  685:  675:  631:  623:  486:Scurvy 481:Scurvy 365:COL4A1 359:, and 341:COL4A1 100:COL4A6 94:COL4A5 88:COL4A4 82:COL4A3 76:COL4A2 70:COL4A1 2047:Other 2032:TECTB 2027:TECTA 1997:FREM2 1992:FRAS1 1970:ALCAM 1963:Other 1952:LAMC3 1947:LAMC2 1942:LAMC1 1937:gamma 1930:LAMB4 1925:LAMB3 1920:LAMB2 1915:LAMB1 1903:LAMA5 1898:LAMA4 1893:LAMA3 1888:LAMA2 1883:LAMA1 1878:alpha 1555:FACIT 1548:Other 1370:INIST 1162:S2CID 1020:S2CID 629:S2CID 537:, to 351:with 2012:ECM1 1910:beta 1362:PMID 1334:PMID 1281:PMID 1227:PMID 1200:PMID 1154:PMID 1110:PMID 1056:PMID 1012:PMID 977:PMID 936:PMID 900:PMID 831:PMID 799:PMID 741:PMID 683:PMID 621:PMID 541:and 371:and 327:and 319:and 268:and 1324:PMC 1316:doi 1271:PMC 1263:doi 1192:doi 1188:242 1144:doi 1140:315 1100:PMC 1090:doi 1048:doi 1044:106 1004:doi 967:doi 963:357 928:doi 892:doi 862:doi 789:PMC 779:doi 731:PMC 721:doi 673:PMC 665:doi 613:doi 276:by 2100:: 1670:: 1625:: 1557:: 1436:: 1368:. 1358:55 1356:. 1332:. 1322:. 1310:. 1306:. 1279:. 1269:. 1259:11 1257:. 1253:. 1239:^ 1221:. 1198:. 1186:. 1174:^ 1160:. 1152:. 1138:. 1134:. 1122:^ 1108:. 1098:. 1086:15 1084:. 1080:. 1068:^ 1054:. 1042:. 1018:. 1010:. 1000:73 998:. 975:. 961:. 957:. 934:. 924:29 922:. 898:. 888:20 886:. 858:27 856:. 852:. 825:. 811:^ 797:. 787:. 775:13 773:. 769:. 753:^ 739:. 729:. 715:. 711:. 695:^ 681:. 671:. 661:71 659:. 655:. 641:^ 627:. 619:. 609:88 607:. 449:. 407:, 375:. 355:, 300:, 127:. 119:, 115:, 97:, 91:, 85:, 79:, 73:, 61:. 2056:/ 1839:/ 1830:/ 1784:) 1780:( 1757:) 1753:( 1587:) 1583:( 1499:) 1495:( 1426:e 1419:t 1412:v 1378:. 1340:. 1318:: 1312:6 1300:" 1287:. 1265:: 1233:. 1206:. 1194:: 1168:. 1146:: 1116:. 1092:: 1062:. 1050:: 1026:. 1006:: 983:. 969:: 942:. 930:: 906:. 894:: 870:. 864:: 837:. 805:. 781:: 747:. 723:: 717:4 689:. 667:: 635:. 615:: 20:)

Index

Collagen type IV
collagen
basal lamina
collagen IV C4 domain
glycine
collagen helix
metazoan
multicellularity
COL4A1
COL4A2
COL4A3
COL4A4
COL4A5
COL4A6
cell adhesion
migration
survival
differentiation

collagen
carboxy terminus
protomer
scaffold
Tight collagen helix
Parallel direction of fibers in Type I
heterotrimers
integrins
Goodpasture syndrome
basement membranes
glomeruli

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