Imbalance of Circulating T-Lymphocyte Subpopulation in COPD and its Relationship with CAT Performance

Autor: Ye-Han Zhu, Cheng Chen, Jianan Huang, Chong-Jun Ni, Yu Shen
Rok vydání: 2012
Předmět:
Zdroj: Journal of Clinical Laboratory Analysis. 26:109-114
ISSN: 0887-8013
DOI: 10.1002/jcla.21490
Popis: Chronic obstructive pulmonary disease (COPD) is associated with systemic effects, and T-cell-mediated immunity was involved in the COPD. COPD Assessment Test (CAT) could provide a valid, reliable, and standardized measure of COPD health status. The objective of this study was determination of lymphocyte subpopulation in patients with stable COPD (n = 52) and to ascertain if a relationship existed between T-lymphocyte subpopulation and CAT performance. The stable COPD patients were assessed with CAT, and divided into four groups with score >30 (n = 8), 20 30 compared to other groups. Proportion of CD4(+) cells was significantly lower in the groups with score >30 and 20 30 and 20 20. No correlations existed between proportion of CD4(+) , CD8(+) cells, CD4(+) :CD8(+) ratio, and CAT performance when score ≤20. Our results show that the determinants of T-lymphocyte subpopulation in COPD patients were value to assess physical conditions. We considered CD4(+) and CD8(+) T lymphocytes to be a representative and stable parameter in grading of health status in COPD patients.
Databáze: OpenAIRE