Identification of clinically relevant subgroups of COPD based on airway and circulating autoantibody profiles.

Identification of clinically relevant subgroups of COPD based on airway and circulating autoantibody profiles. Mol Med Rep. 2019 Jul 12;: Authors: Liang Z, Long F, Wang F, Yang Y, Xiao J, Deng K, Gu W, Zhou L, Xie J, Jian W, Chen X, Jiang M, Zheng J, Peng T, Chen R Abstract Autoimmunity may serve a role in the pathological features of a subgroup of patients with chronic obstructive pulmonary disease (COPD); however, in immunological subgroups of COPD patients, the interrelationships between airway and circulating autoantibody responses, and clinical parameters, remain unclear. The present study was undertaken to evaluate these interrelationships in various immunological subgroups of COPD patients. Sputum supernatant and serum obtained from 102 patients with stable COPD were assayed for the presence of immunoglobulin G antibodies against ten autoantigens via Luminex multiplex technology. Hierarchical clustering based on principal components was performed on autoantibody profiles to classify patients into clusters. Network‑based and module analyses were conducted to explore interrelationships among autoantibodies and clinical variables in each cluster. Topological characteristics were compared between clusters. Unsupervised clustering identified four clusters: No significant differences in the majority of clinical characteristics were observed among clusters. In cluster 1, retrospective exacerbation was only positively associated with COPD assessment...
Source: Molecular Medicine Reports - Category: Molecular Biology Tags: Mol Med Rep Source Type: research

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