Changes in peripheral blood TBNK lymphocyte subsets and their association with acute exacerbation of chronic obstructive pulmonary disease

Author:

Hong Xiufang1ORCID,Xiao Zhen2ORCID

Affiliation:

1. Department of Geriatrics, Zhejiang Hospital, Hangzhou, People’s Republic of China

2. Department of Medical Laboratory, Zhejiang Hospital, Hangzhou, People’s Republic of China

Abstract

Objective This study aimed to determine the changes in peripheral blood TBNK lymphocyte subsets in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) and their relationship with the pathogenesis of AECOPD. Methods A cross-sectional study of 1252 hospitalized patients in Zhejiang Hospital was conducted. There were 162 patients in the AECOPD group and 1090 in the non-chronic obstructive pulmonary disease (COPD) group. The proportions of peripheral blood T helper cells, cytotoxic T cells, total B cells, total natural killer (NK) cells, and total T cells in the two groups were determined, and the CD4/CD8 ratio was calculated. Results The proportions of men and total natural killer cells, and the mean age were significantly higher in the AECOPD group than in the non-COPD group. The T helper cell, total T cell, and CD4/CD8 ratios were significantly decreased in the AECOPD group. A multivariate logistic regression analysis showed that male sex, age, the total T cell ratio, and the CD4/CD8 ratio were significantly associated with the incidence of AECOPD. Conclusion Cellular immune dysfunction in patients with AECOPD causes a decrease in total T lymphocytes and the CD4/CD8 ratio, which may be involved in the pathogenesis of AECOPD.

Funder

Science and Technology Department of Zhejiang Province

Publisher

SAGE Publications

Subject

Biochemistry (medical),Cell Biology,Biochemistry,General Medicine

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