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Myositis autoantibodies in Korean patients with inflammatory myositis: Anti-140-kDa polypeptide antibody is primarily associated with rapidly progressive interstitial lung disease independent of clinically amyopathic dermatomyositis
DC Field | Value | Language |
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dc.contributor.author | Kang, Eun Ha | - |
dc.contributor.author | Nakashima, Ran | - |
dc.contributor.author | Mimori, Tsuneyo | - |
dc.contributor.author | Kim, Jinhyun | - |
dc.contributor.author | Lee, Eun Bong | - |
dc.contributor.author | Song, Yeong Wook | - |
dc.contributor.author | Lee, Yun Jong | - |
dc.date.accessioned | 2012-06-26T08:22:54Z | - |
dc.date.available | 2012-06-26T08:22:54Z | - |
dc.date.issued | 2010-09-28 | - |
dc.identifier.citation | BMC MUSCULOSKELETAL DISORDERS; Vol.11 ; - | ko_KR |
dc.identifier.issn | 1471-2474 | - |
dc.identifier.uri | https://hdl.handle.net/10371/77482 | - |
dc.description.abstract | Background: To investigate the association between myositis autoantibodies and clinical subsets of inflammatory myositis in Korean patients. Methods: Immunoprecipitation was performed using the sera of classic polymyositis (PM) (n = 11) and dermatomyositis (DM) (n = 38) patients who met the Bohan and Peter criteria for definite inflammatory myositis. A panel of defined myositis autoantibodies was surveyed to investigate the association between each autoantibody and clinical subsets of inflammatory myositis. Results: Either MSAs, anti-p140, or anti-p155/140 antibodies were found in 63.3% (31/49) of the study subjects. Anti-140-kDa-polypeptide (anti-p140) (18.4%, 9/49) and anti-155/140-kDa polypeptide (anti-p155/140) (16.3%, 8/49) antibodies were the most common, followed by anti-Mi2 (14.3%, 7/49), anti-ARS (12.2%, 6/49) and anti-SRP (2.0%, 1/49) antibodies. All MSAs and anti-p140 and anti-p155/140 antibodies were mutually exclusive. Anti-p140 (23.7%, 9/38), anti-p155/140 (21.1%, 8/38), and anti-Mi2 (18.4%, 3/38) antibodies were found exclusively in DM patients. Anti-p140 antibody was associated with rapidly progressive interstitial lung disease (ILD) (p = 0.001), with a sensitivity of 100.0% (4/4) and a specificity of 85.3% (29/34) in DM patients. Anti-p155/140 antibody was associated with cancer-associated DM (p = 0.009), with a sensitivity of 55.6% (5/9) and a specificity of 89.7% (26/29). Cancer-associated survival was significantly worse when anti-p155/140 antibody was present (19.2 +/- 7.6 vs. 65.0 +/- 3.5 months, p = 0.032). Finally, anti-ARS antibodies were associated with stable or slowly progressive ILD in PM and DM patients (p = 0.005). Conclusions: Anti-p140 and anti-p155/140 antibodies were commonly found autoantibodies in Korean patients with inflammatory myositis. Despite the lack of clinically amyopathic DM patients in the study subjects, a strong association was observed between anti-p140 antibody and rapidly progressive ILD. Anti-p155/140 antibody was associated with cancer-associated myositis and poor survival. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | BIOMED CENTRAL LTD | ko_KR |
dc.title | Myositis autoantibodies in Korean patients with inflammatory myositis: Anti-140-kDa polypeptide antibody is primarily associated with rapidly progressive interstitial lung disease independent of clinically amyopathic dermatomyositis | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 강은하 | - |
dc.contributor.AlternativeAuthor | 김진현 | - |
dc.contributor.AlternativeAuthor | 이윤종 | - |
dc.contributor.AlternativeAuthor | 이은봉 | - |
dc.contributor.AlternativeAuthor | 송영욱 | - |
dc.identifier.doi | 10.1186/1471-2474-11-223 | - |
dc.citation.journaltitle | BMC MUSCULOSKELETAL DISORDERS | - |
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dc.description.tc | 5 | - |
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