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Anti–citrullinated protein antibody

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211:), a naturally occurring isoform of vimentin to optimize the performance of the test. Noteworthy are the findings of a recently published study that highly valuates anti-MCV test systems for diagnosing rheumatoid arthritis in anti-CCP-negative patients. However, data from all around the world vary substantially. Anti-CCP is also very useful in the early diagnosis of rheumatoid arthritis in high-risk groups, such as relatives of RA patients, although Silman and co-workers found that the concordance rate of developing RA was 15.4% among identical (monozygotic) twins and was 3.6% among fraternal (dizygotic) twins. 43: 33: 304:
and make up the citrullinome continues to increase. The RA associated citrullinome has been reported to include targets from synovial fluid and tissue that range from proteases, receptors, and carrier proteins. These proteins are components of complement, proteolytic activity, cell recognition,
153:, which is a member of the intermediate filament family of proteins. Several assays for detecting ACPAs were developed in the following years, employing mutated citrullinated Vimentin (MCV-assay), filaggrin-derived peptides (CCP-assay) and viral citrullinated peptides (VCP-assay). 903:
Greiner A, Plischke H, Kellner H, Gruber R (June 2005). "Association of anti-cyclic citrullinated peptide antibodies, anti-citrullin antibodies, and IgM and IgA rheumatoid factors with serological parameters of disease activity in rheumatoid arthritis".
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represent a discriminating specific marker of rheumatoid arthritis from other chronic arthritides and disease controls, suggesting an independent production of each isotype. In 2010, ACPA testing has become substantial part of
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Gardette A, Ottaviani S, Tubach F, Roy C, Nicaise-Roland P, Palazzo E, Gill G, Meyer O, Dieudé P (October 2014). "High anti-CCP antibody titres predict good response to rituximab in patients with active rheumatoid arthritis".
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was investigated. Subsequent studies demonstrated that autoantibodies from RA patients react with a series of different citrullinated antigens, including fibrinogen, deiminated Epstein-Barr Virus Nuclear Antigen 1 and
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Pratesi F, Tommasi C, Anzilotti C, Chimenti D, Migliorini P (March 2006). "Deiminated Epstein-Barr virus nuclear antigen 1 is a target of anti-citrullinated protein antibodies in rheumatoid arthritis".
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Given that ACPA are more specific than rheumatoid factor, they are used to distinguish various causes of arthritis. Novel assays may be useful for monitoring disease activity and effects of RA therapy.
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Iwaszkiewicz C, Puszczewicz M, Białkowska-Puszczewicz G (January 2015). "Diagnostic value of the anti-Sa antibody compared with the anti-cyclic citrullinated peptide antibody in rheumatoid arthritis".
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Nishimura K, Sugiyama D, Kogata Y, et al. (June 2007). "Meta-analysis: diagnostic accuracy of anti-cyclic citrullinated peptide antibody and rheumatoid factor for rheumatoid arthritis".
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The presence of autoantibodies against citrullinated proteins in rheumatoid arthritis patients was first described in the mid-1970s when the biochemical basis of antibody reactivity against
292:) not only enhances the diagnostic capture rate but together with acute phase reactants either in early disease or at the time of diagnosis may be useful in predicting future outcomes. 83:. Clinically, cyclic citrullinated peptides (CCP) are frequently used to detect these antibodies in patient serum or plasma (then referred to as anti–citrullinated peptide antibodies). 203:. Vimentin is secreted and citrullinated by macrophages in response to apoptosis, or by pro-inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-alpha). A newly developed 199:
However, novel test systems utilizing ACPA have been developed. Citrullinated vimentin is a very promising autoantigen in RA, and a suitable tool for studying this systemic
378:
Raptopoulou A, Sidiropoulos P, Katsouraki M, Boumpas DT (2007). "Anti-citrulline antibodies in the diagnosis and prognosis of rheumatoid arthritis: evolving concepts".
807: 762:"IgG, IgA, IgM antibodies to a viral citrullinated peptide in patients affected by rheumatoid arthritis, chronic arthritides and connective tissue disorders" 823:"Technical and diagnostic performance of 6 assays for the measurement of citrullinated protein/peptide antibodies in the diagnosis of rheumatoid arthritis" 666:
Bang H, Egerer K, Gauliard A, et al. (August 2007). "Mutation and citrullination modifies vimentin to a novel autoantigen for rheumatoid arthritis".
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Asaga H, Yamada M, Senshu T (February 1998). "Selective deimination of vimentin in calcium ionophore-induced apoptosis of mouse peritoneal macrophages".
1238:"Antibodies to mutated citrullinated vimentin for diagnosing rheumatoid arthritis in anti-CCP-negative patients and for monitoring infliximab therapy" 1445: 1152:
Silman AJ, MacGregor AJ, Thomson W, et al. (October 1993). "Twin concordance rates for rheumatoid arthritis: results from a nationwide study".
426:"2010 rheumatoid arthritis classification criteria: an American College of Rheumatology/European League Against Rheumatism collaborative initiative" 277:. Anti-CCP positivity is also a good prognostic marker for future radiographic damage, and possibly a marker to B-cell therapy responses including 425: 1598: 1189:"Diagnostic and predictive value of anti-cyclic citrullinated protein antibodies in rheumatoid arthritis: a systematic literature review" 1653: 129: 1687: 1627: 1478: 219: 1113:"Anti-cyclic citrullinated peptide antibodies and rheumatoid factor in rheumatoid arthritis patients and relatives from Brazil" 1026: 583: 527:"The antiperinuclear factor and the so-called antikeratin antibodies are the same rheumatoid arthritis-specific autoantibodies" 1737: 208: 196:(RF). Moreover, analysis of the correlation of anti-CCP antibody titre with RA disease activity yielded conflicting results. 1505: 1298: 1438: 1643: 1615: 1578: 1570: 1515: 1498: 1351:
Tilvawala R, Nguyen SH, Maurais AJ, Nemmara VV, Nagar M, Salinger AJ, Nagpal S, Weerapana E, Thompson PR (June 2018).
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Vimentin, fibrin, filaggrin, enolase and keratin are common citrullination targets. The list of proteins that undergo
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Mor-Vaknin N, Punturieri A, Sitwala K, Markovitz DM (January 2003). "Vimentin is secreted by activated macrophages".
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Goeldner, I.; Skare, T. L.; De Messias Reason, I. T.; Nisihara, R. M.; Silva, M. B.; Utiyama, S. R. (August 2010).
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C. Anzilotti; L. Riente; F. Pratesi; D. Chimenti; A. Delle Sedie; S. Bombardieri; P. Migliorini (October 2007).
1669: 704: 1535: 1758: 1692: 1560: 1431: 766: 1620: 1488: 1462: 700: 1703: 274: 164: 121: 80: 864:"The devil in the details: the emerging role of anticitrulline autoimmunity in rheumatoid arthritis" 1674: 1483: 90: 17: 1400:
Maksymowych WP, Marotta A (2014). "14-3-3η: a novel biomarker platform for rheumatoid arthritis".
331:"Role of anti-citrullinated protein antibodies in diagnosis and prognosis of rheumatoid arthritis" 1093: 1007: 929: 742: 458: 403: 200: 185: 181: 128:
were introduced. These new classification criteria include ACPA testing, and overruled the "old"
1709: 1409: 1382: 1333: 1269: 1218: 1169: 1134: 1085: 1038: 999: 964: 921: 885: 844: 799: 791: 783: 734: 683: 648: 612: 556: 507: 450: 395: 360: 309:) is also another synovial derived protein that has been reported as a citrullination target. 285: 193: 1027:"Clinical evaluation of anti-mutated citrullinated vimentin by ELISA in rheumatoid arthritis" 730: 1372: 1364: 1325: 1259: 1249: 1208: 1200: 1161: 1124: 1077: 991: 956: 913: 875: 834: 775: 726: 675: 640: 602: 592: 546: 538: 497: 489: 440: 387: 350: 342: 157: 1296:
chronolab.com > Autoantibodies associated with rheumatic diseases > Reference ranges
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A 2006 clinical study showed that anti viral citrullinated peptide (VCP) antibodies of the
1681: 1302: 110: 1377: 1352: 1264: 1237: 1213: 1188: 502: 477: 355: 330: 301: 102: 76: 60: 607: 578: 551: 526: 1752: 1165: 1097: 1046: 1011: 933: 1454: 1368: 746: 462: 407: 1129: 1112: 779: 192:, for example CCP-assays, they only provide a sensitivity comparable with that of 42: 1329: 839: 822: 880: 863: 579:"Rheumatoid arthritis specific anti-Sa antibodies target citrullinated vimentin" 189: 1295: 1553: 391: 94: 36: 795: 787: 1589: 1525: 1204: 1081: 917: 445: 346: 278: 145: 117: 1413: 1386: 1337: 1273: 1222: 1138: 1089: 1042: 1003: 960: 925: 889: 848: 803: 738: 687: 652: 616: 454: 399: 364: 1173: 968: 560: 493: 32: 1510: 511: 150: 106: 105:. If their shapes are significantly altered, the proteins may be seen as 98: 87: 64: 46: 862:
van Gaalen F, Ioan-Facsinay A, Huizinga TW, Toes RE (1 November 2005).
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Nicaise Roland P, Grootenboer Mignot S, Bruns A, et al. (2008).
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endocytosis, and response to biotic stimuli amongst others. 14-3-3η (
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between 87.8% and 96.4%. Despite the excellent performance of these
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Anti-CCP is part of the 2010 ACR/EULAR classification criteria for
170:
The 2010 ACR-EULAR classification criteria for rheumatoid arthritis
476:
Young BJ, Mallya RK, Leslie RD, Clark CJ, Hamblin TJ (July 1979).
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Coenen D, Verschueren P, Westhovens R, Bossuyt X (March 2007).
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In a comparative study (in 2007), various detection kits had a
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Aletaha D, Neogi T, Silman AJ, et al. (September 2010).
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system utilises genetically modified citrullinated vimentin (
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Combination of anti-CCP with other serological markers like
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2010 ACR/EULAR Rheumatoid Arthritis Classification Criteria
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to an individual's own proteins) that are directed against
124:(RA) to be made at a very early stage. In July 2010, the 1025:
Soós L, Szekanecz Z, Szabó Z, et al. (August 2007).
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Vossenaar ER, Després N, Lapointe E, et al. (2004).
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Sebbag M, Simon M, Vincent C, et al. (June 1995).
79:. They are present in the majority of patients with 1725: 1662: 1636: 1587: 1569: 1461: 572: 570: 1353:"The Rheumatoid Arthritis-Associated Citrullinome" 478:"Anti-keratin antibodies in rheumatoid arthritis" 222:of anti–citrullinated protein antibodies are: 1439: 8: 1291: 1289: 1287: 1285: 1283: 1187:Avouac J, Gossec L, Dougados M (July 2006). 109:by the immune system, thereby generating an 1070:International Journal of Rheumatic Diseases 296:Other ACPAs and citrullinated targets in RA 1446: 1432: 1424: 329:Puszczewicz M, Iwaszkiewicz C (May 2011). 1376: 1263: 1253: 1212: 1128: 879: 838: 703:at the U.S. National Library of Medicine 606: 596: 550: 501: 444: 419: 417: 354: 731:10.7326/0003-4819-146-11-200706050-00008 224: 132:and are adapted for early RA diagnosis. 318: 53:Anti-citrullinated protein antibodies 7: 810:from the original on 30 August 2020. 93:can be enzymatically converted into 18:Anti-citrullinated protein antibody 25: 116:ACPAs have proved to be powerful 1242:Arthritis Research & Therapy 584:Arthritis Research & Therapy 220:reference ranges for blood tests 1369:10.1016/j.chembiol.2018.03.002 1166:10.1093/rheumatology/32.10.903 184:between 69.6% and 77.5% and a 1: 949:Biochem. Biophys. Res. Commun 97:residues in proteins such as 1330:10.1016/j.jbspin.2014.06.001 840:10.1373/clinchem.2006.078063 701:cyclic+citrullinated+peptide 120:that allow the diagnosis of 1599:Anti-neutrophil cytoplasmic 1571:Anti-mitochondrial antibody 1130:10.1093/rheumatology/keq134 881:10.4049/jimmunol.175.9.5575 780:10.1093/rheumatology/kem193 719:Annals of Internal Medicine 1775: 1715:Anti-citrullinated peptide 1305:Retrieved on 29 April 2010 1506:Anti-topoisomerase/Scl-70 392:10.1080/10408360701295623 705:Medical Subject Headings 1628:Anti-TPO/Antimicrosomal 1205:10.1136/ard.2006.051391 1082:10.1111/1756-185X.12544 918:10.1196/annals.1313.031 446:10.1136/ard.2010.138461 347:10.5114/aoms.2011.22067 1408:(5 Suppl 85): S–35–9. 961:10.1006/bbrc.1998.8148 101:, by a process called 49: 39: 1688:Anti-transglutaminase 1463:Anti-nuclear antibody 1117:Rheumatology (Oxford) 494:10.1136/bmj.2.6182.97 380:Crit Rev Clin Lab Sci 176:Clinical significance 86:During inflammation, 45: 35: 1301:30 July 2013 at the 906:Ann. N. Y. Acad. Sci 275:Rheumatoid Arthritis 244:High/strong positive 130:ACR criteria of 1987 122:rheumatoid arthritis 81:rheumatoid arthritis 1738:Anti-apolipoprotein 1675:Lupus anticoagulant 1049:on 20 February 2008 91:amino acid residues 1726:Multiple locations 1616:Anti-smooth muscle 1402:Clin Exp Rheumatol 201:autoimmune disease 50: 40: 1746: 1745: 1733:Anti-phospholipid 1710:Rheumatoid factor 1363:(6): 691–704.e6. 1154:Br J Rheumatology 680:10.1002/art.22817 645:10.1002/art.21629 543:10.1172/JCI117969 286:rheumatoid factor 271: 270: 239:Moderate positive 234:Low/weak positive 194:rheumatoid factor 16:(Redirected from 1766: 1695:not autoantibody 1644:Anti-ganglioside 1579:Anti-cardiolipin 1448: 1441: 1434: 1425: 1418: 1417: 1397: 1391: 1390: 1380: 1348: 1342: 1341: 1318:Joint Bone Spine 1312: 1306: 1293: 1278: 1277: 1267: 1257: 1233: 1227: 1226: 1216: 1184: 1178: 1177: 1149: 1143: 1142: 1132: 1108: 1102: 1101: 1065: 1059: 1058: 1056: 1054: 1045:. Archived from 1022: 1016: 1015: 979: 973: 972: 944: 938: 937: 900: 894: 893: 883: 859: 853: 852: 842: 818: 812: 811: 757: 751: 750: 714: 708: 698: 692: 691: 663: 657: 656: 627: 621: 620: 610: 600: 574: 565: 564: 554: 522: 516: 515: 505: 473: 467: 466: 448: 430: 421: 412: 411: 375: 369: 368: 358: 326: 225: 21: 1774: 1773: 1769: 1768: 1767: 1765: 1764: 1763: 1749: 1748: 1747: 1742: 1721: 1682:Coeliac disease 1658: 1632: 1583: 1565: 1547:Anti-centromere 1457: 1452: 1422: 1421: 1399: 1398: 1394: 1350: 1349: 1345: 1314: 1313: 1309: 1303:Wayback Machine 1294: 1281: 1235: 1234: 1230: 1193:Ann. Rheum. Dis 1186: 1185: 1181: 1151: 1150: 1146: 1110: 1109: 1105: 1067: 1066: 1062: 1052: 1050: 1024: 1023: 1019: 981: 980: 976: 946: 945: 941: 902: 901: 897: 861: 860: 856: 820: 819: 815: 774:(10): 1579–82. 759: 758: 754: 725:(11): 797–808. 716: 715: 711: 699: 695: 668:Arthritis Rheum 665: 664: 660: 633:Arthritis Rheum 629: 628: 624: 576: 575: 568: 531:J. Clin. Invest 524: 523: 519: 475: 474: 470: 433:Ann. Rheum. Dis 428: 423: 422: 415: 377: 376: 372: 328: 327: 320: 315: 298: 178: 138: 111:immune response 28: 23: 22: 15: 12: 11: 5: 1772: 1770: 1762: 1761: 1759:Autoantibodies 1751: 1750: 1744: 1743: 1741: 1740: 1735: 1729: 1727: 1723: 1722: 1720: 1719: 1718: 1717: 1712: 1699: 1698: 1697: 1696: 1690: 1678: 1677: 1672: 1666: 1664: 1660: 1659: 1657: 1656: 1654:Anti-glutamate 1651: 1646: 1640: 1638: 1634: 1633: 1631: 1630: 1625: 1624: 1623: 1613: 1612: 1611: 1606: 1595: 1593: 1585: 1584: 1582: 1581: 1575: 1573: 1567: 1566: 1564: 1563: 1557: 1556: 1550: 1549: 1543: 1542: 1541: 1540: 1539: 1538: 1533: 1528: 1523: 1513: 1508: 1494: 1493: 1492: 1491: 1486: 1481: 1467: 1465: 1459: 1458: 1455:Autoantibodies 1453: 1451: 1450: 1443: 1436: 1428: 1420: 1419: 1392: 1357:Cell Chem Biol 1343: 1307: 1279: 1255:10.1186/ar2570 1228: 1179: 1144: 1103: 1060: 1037:(8): 1658–63. 1017: 996:10.1038/ncb898 984:Nat. Cell Biol 974: 939: 895: 874:(9): 5575–80. 854: 833:(3): 498–504. 813: 752: 709: 693: 674:(8): 2503–11. 658: 622: 598:10.1186/ar1149 591:(2): R142–50. 566: 517: 488:(6182): 97–9. 468: 413: 370: 317: 316: 314: 311: 302:citrullination 297: 294: 269: 268: 265: 262: 259: 256: 252: 251: 246: 241: 236: 231: 177: 174: 137: 134: 103:citrullination 61:autoantibodies 27:Autoantibodies 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1771: 1760: 1757: 1756: 1754: 1739: 1736: 1734: 1731: 1730: 1728: 1724: 1716: 1713: 1711: 1708: 1707: 1706: 1705: 1701: 1700: 1694: 1691: 1689: 1686: 1685: 1683: 1680: 1679: 1676: 1673: 1671: 1670:Anti-thrombin 1668: 1667: 1665: 1663:Extracellular 1661: 1655: 1652: 1650: 1647: 1645: 1642: 1641: 1639: 1637:Cell membrane 1635: 1629: 1626: 1622: 1619: 1618: 1617: 1614: 1610: 1607: 1605: 1602: 1601: 1600: 1597: 1596: 1594: 1591: 1586: 1580: 1577: 1576: 1574: 1572: 1568: 1562: 1559: 1558: 1555: 1552: 1551: 1548: 1545: 1544: 1537: 1534: 1532: 1529: 1527: 1524: 1522: 1519: 1518: 1517: 1514: 1512: 1509: 1507: 1504: 1503: 1502: 1500: 1496: 1495: 1490: 1487: 1485: 1482: 1480: 1477: 1476: 1475: 1473: 1469: 1468: 1466: 1464: 1460: 1456: 1449: 1444: 1442: 1437: 1435: 1430: 1429: 1426: 1415: 1411: 1407: 1403: 1396: 1393: 1388: 1384: 1379: 1374: 1370: 1366: 1362: 1358: 1354: 1347: 1344: 1339: 1335: 1331: 1327: 1324:(5): 416–20. 1323: 1319: 1311: 1308: 1304: 1300: 1297: 1292: 1290: 1288: 1286: 1284: 1280: 1275: 1271: 1266: 1261: 1256: 1251: 1247: 1243: 1239: 1232: 1229: 1224: 1220: 1215: 1210: 1206: 1202: 1199:(7): 845–51. 1198: 1194: 1190: 1183: 1180: 1175: 1171: 1167: 1163: 1160:(10): 903–7. 1159: 1155: 1148: 1145: 1140: 1136: 1131: 1126: 1123:(8): 1590–3. 1122: 1118: 1114: 1107: 1104: 1099: 1095: 1091: 1087: 1083: 1079: 1075: 1071: 1064: 1061: 1048: 1044: 1040: 1036: 1032: 1028: 1021: 1018: 1013: 1009: 1005: 1001: 997: 993: 989: 985: 978: 975: 970: 966: 962: 958: 954: 950: 943: 940: 935: 931: 927: 923: 919: 915: 911: 907: 899: 896: 891: 887: 882: 877: 873: 869: 865: 858: 855: 850: 846: 841: 836: 832: 828: 824: 817: 814: 809: 805: 801: 797: 793: 789: 785: 781: 777: 773: 769: 768: 763: 756: 753: 748: 744: 740: 736: 732: 728: 724: 720: 713: 710: 706: 702: 697: 694: 689: 685: 681: 677: 673: 669: 662: 659: 654: 650: 646: 642: 639:(3): 733–41. 638: 634: 626: 623: 618: 614: 609: 604: 599: 594: 590: 586: 585: 580: 573: 571: 567: 562: 558: 553: 548: 544: 540: 537:(6): 2672–9. 536: 532: 528: 521: 518: 513: 509: 504: 499: 495: 491: 487: 483: 479: 472: 469: 464: 460: 456: 452: 447: 442: 439:(9): 1580–8. 438: 434: 427: 420: 418: 414: 409: 405: 401: 397: 393: 389: 386:(4): 339–63. 385: 381: 374: 371: 366: 362: 357: 352: 348: 344: 341:(2): 189–94. 340: 336: 332: 325: 323: 319: 312: 310: 308: 303: 295: 293: 291: 287: 282: 280: 276: 266: 263: 260: 257: 254: 253: 250: 247: 245: 242: 240: 237: 235: 232: 230: 227: 226: 223: 221: 216: 212: 210: 206: 202: 197: 195: 191: 187: 183: 175: 173: 171: 166: 163: 159: 154: 152: 147: 143: 135: 133: 131: 127: 123: 119: 114: 112: 108: 104: 100: 96: 92: 89: 84: 82: 78: 77:citrullinated 74: 70: 66: 62: 58: 54: 48: 44: 38: 34: 30: 19: 1714: 1702: 1693:Anti-gliadin 1561:Anti-histone 1497: 1470: 1405: 1401: 1395: 1360: 1356: 1346: 1321: 1317: 1310: 1245: 1241: 1231: 1196: 1192: 1182: 1157: 1153: 1147: 1120: 1116: 1106: 1076:(1): 46–51. 1073: 1069: 1063: 1051:. 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Index

Anti-citrullinated protein antibody

Citrulline

Arginine
autoantibodies
antibodies
peptides
proteins
citrullinated
rheumatoid arthritis
arginine
amino acid residues
citrulline
vimentin
citrullination
antigens
immune response
biomarkers
rheumatoid arthritis
ACR criteria of 1987
keratin
filaggrin
vimentin
IgG
IgA
isotypes
sensitivity
specificity
immunoassays

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