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Prevalence of anti-endothelial cell antibodies in patients with pulmonary arterial hypertension associated with connective tissue diseases / 中国医学科学杂志(英文版)
Chinese Medical Sciences Journal ; (4): 27-31, 2010.
Article in English | WPRIM | ID: wpr-299464
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the prevalence of anti-endothelial cell antibodies (AECAs) in the sera of connective tissue diseases (CTD) patients with pulmonary arterial hypertension (PAH) and its correlation with clinical manifestations.</p><p><b>METHODS</b>AECAs in sera of 39 CTD patients with PAH, 22 CTD patients without PAH, and 10 healthy donors as controls were detected with Western blotting. The prevalence of different AECAs in different groups was compared and its correlation with clinical manifestations was also investigated.</p><p><b>RESULTS</b>The prevalence of AECAs was 82.1% in CTD patients with PAH, 72.7% in CTD patients without PAH, and 20.0% in healthy donors. Anti-22 kD AECA was only detected in CTD patients with PAH (15.4%). Anti-75 kD AECA was more frequently detected in CTD patients with PAH than in those without PAH (51.3% vs. 22.7%, P < 0.05). In CTD patients with PAH, anti-75 kD AECA was more frequently detected in those with Raynaud's phenomenon or with positive anti-RNP antibody.</p><p><b>CONCLUSION</b>AECAs could be frequently detected in CTD patients with or without PAH, while anti-22 kD and anti-75 kD AECA might be specific in CTD patients with PAH.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Autoantibodies / Blood / Cell Line / Connective Tissue Diseases / Cell Biology / Endothelial Cells / Allergy and Immunology / Hypertension, Pulmonary Type of study: Prevalence study Limits: Adult / Female / Humans Language: English Journal: Chinese Medical Sciences Journal Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Autoantibodies / Blood / Cell Line / Connective Tissue Diseases / Cell Biology / Endothelial Cells / Allergy and Immunology / Hypertension, Pulmonary Type of study: Prevalence study Limits: Adult / Female / Humans Language: English Journal: Chinese Medical Sciences Journal Year: 2010 Type: Article