Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0003864 (arthritis)
 69,039 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Antisynthetase syndrome (ASSD) is a rare clinical condition that is characterized by the occurrence of a classic clinical triad, encompassing myositis, arthritis, and interstitial lung disease (ILD), along with specific autoantibodies that are addressed to different aminoacyl tRNA synthetases (ARS). Until now, it has been unknown whether the presence of a different ARS might affect the clinical presentation, evolution, and outcome of ASSD. In this study, we retrospectively recorded the time of onset, characteristics, clustering of triad findings, and survival of 828 ASSD patients (593 anti-Jo1, 95 anti-PL7, 84 anti-PL12, 38 anti-EJ, and 18 anti-OJ), referring to AENEAS (American and European NEtwork of Antisynthetase Syndrome) collaborative group's cohort. Comparisons were performed first between all ARS cases and then, in the case of significance, while using anti-Jo1 positive patients as the reference group. The characteristics of triad findings were similar and the onset mainly began with a single triad finding in all groups despite some differences in overall prevalence. The "ex-novo" occurrence of triad findings was only reduced in the anti-PL12-positive cohort, however, it occurred in a clinically relevant percentage of patients (30%). Moreover, survival was not influenced by the underlying anti-aminoacyl tRNA synthetase antibodies' positivity, which confirmed that antisynthetase syndrome is a heterogeneous condition and that antibody specificity only partially influences the clinical presentation and evolution of this condition.
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PMID:Influence of Antisynthetase Antibodies Specificities on Antisynthetase Syndrome Clinical Spectrum Time Course. 3175 31

Antisynthetase Syndrome (ASS) is a subset of idiopathic inflammatory myopathies characterised by specific clinical features such as interstitial lung disease (ILD), fever, myositis, Raynaud's phenomenon, cutaneous involvement and arthritis related to the presence of anti-aminoacyl-tRNA-synthetase (anti-ARS) autoantibodies. Moreover, Pulmonary arterial hypertension (PAH) is a life-threatening complication associated with connective tissue diseases mainly systemic sclerosis (SSc-PAH). It has been suggested that PAH can complicate ASS patients but little is known about the prevalence and risk factors to develop this complication. Here we report on two patients with ASS and PH. The first one represents a complete picture of ASS anti-Jo-1 positive, the second an amyophatic ASS anti-PL-12 positive. In one of our ASS-PAH patients, specific treatment lead to improvement of PAH. There are no specific recommendations on current guidelines regarding either PAH screening or treatment in ASS, but performing echocardiogram, ECG, pulmonary function test and prompt initiation of specific therapies seems to improve right heart catheterisation (RHC) parameters and survival.
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PMID:Antisynthetase syndrome and pulmonary hypertension: report of two cases and review of the literature. 3269 39


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