Protein Information

Name Jo 1
Synonyms HARS related gene; HisRS; Histidine translase; Histidine tRNA ligase; Histidine tRNA ligase; Histidyl tRNA synthetase; HARSL; HARSR…

Compound Information

Name MAA
CAS methylarsonic acid

Reference List

PubMed Abstract RScore(About this table)
16769655 Ghirardello A, Zampieri S, Tarricone E, Iaccarino L, Bendo R, Briani C, Rondinone R, Sarzi-Puttini P, Todesco S, Doria A: Clinical implications of autoantibody screening in patients with autoimmune myositis. Autoimmunity. 2006 May;39(3):217-21.


RESULTS: Forty-three patients (58%) were positive for MSA: anti-Jo-1 in 15/27 polymyositis (PM) (55%), 4/33 dermatomyositis (DM) (12%), 1/8 overlap (12%) and 2/6 antisynthetase syndrome (33%); anti-ARS non-Jo-1 in 1/27 PM (4%), 2/33 DM (6%) and 4/6 antisynthetase syndrome (67%); anti-Mi-2 in 1/27 PM (4%) and 11/33 DM (33%); anti-SRP in 3/27 PM (11%) and 1/33 DM (3%).
5(0,0,0,5) Details
15776143 Ghirardello A, Zampieri S, Iaccarino L, Tarricone E, Tonello M, Bendo R, Rondinone R, Cozzi F, Doria A: [Myositis specific and myositis associated autoantibodies in idiopathic inflammatory myopathies: a serologic study of 46 patients]. Reumatismo. 2005 Jan-Mar;57(1):22-8.


MSA including anti-tRNA synthetase (anti-Jo-1 and others) and anti-Mi-2 were determined by RNA immunoprecipitation and a modified immunoblot test, respectively.
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11156543 Brouwer R, Hengstman GJ, Vree Egberts W, Ehrfeld H, Bozic B, Ghirardello A, Grondal G, Hietarinta M, Isenberg D, Kalden JR, Lundberg I, Moutsopoulos H, Roux-Lombard P, Vencovsky J, Wikman A, Seelig HP, van Engelen BG, van Venrooij WJ: Autoantibody profiles in the sera of European patients with myositis. . Ann Rheum Dis. 2001 Feb;60(2):116-23.


The most commonly detected MSA was anti-Jo-1 (18%).
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16609350 O'Hanlon TP, Carrick DM, Targoff IN, Arnett FC, Reveille JD, Carrington M, Gao X, Oddis CV, Morel PA, Malley JD, Malley K, Shamim EA, Rider LG, Chanock SJ, Foster CB, Bunch T, Blackshear PJ, Plotz PH, Love LA, Miller FW: Immunogenetic risk and protective factors for the idiopathic inflammatory myopathies: distinct HLA-A, -B, -Cw, -DRB1, and -DQA1 allelic profiles distinguish European American patients with different myositis autoantibodies. Medicine. 2006 Mar;85(2):111-27.


We established that alleles of the 8.1 ancestral haplotype (8.1 AH) are important risk factors for the development of IIM in patients producing anti-synthetase/anti-Jo-1, -La, -PM/Scl, and -Ro autoantibodies.
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