The clinical significance of CD4+ CD25+ Foxp3+ regulatory T cell and interleukin-10,transforming growth factor-β1 in patients with steroid-resistant asthma
10.3760/cma.j.issn.1673-4904.2013.30.013
- VernacularTitle:激素抵抗性哮喘患者外周血CD4+CD25+Foxp3+调节性T细胞及白细胞介素10、转化生长因子β1水平变化及其临床意义
- Author:
Shanfei WANG
;
Ping ZHAO
;
Qingyuan XU
- Publication Type:Journal Article
- Keywords:
T-lymphocytes,regulatory;
Interleukin-10;
Transforming growth factor beta 1;
Steroid-resistant asthma
- From:
Chinese Journal of Postgraduates of Medicine
2013;36(30):38-41
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the clinical significance of CD4 + CD25+ Foxp3 + regulatory T cell (Treg) and interleukin 10 (IL-10),transforming growth factor-β1 (TGF-β 1) in patients with steroidresistant asthma (SRA).Methods Seventy-nine patients with asthma were divided into SRA group (31cases) and steroid-sensitive (SSA) group (48 cases).Forty-five healthy subjects were selected simultaneously as control group.CD4+ CD25+ Foxp3 +Treg level was detected by flow cytometry and serum IL-10 and TGF-β1 levels were detected by enzyme-linked immunosorbent assay.Results The percentage of CD4 + CD25 +Foxp3 +Treg in CD4+ T cell and its absolute value in SRA group and SSA group were 0.0225 ± 0.0063,(1.09 ± 0.23) × 107/L and 0.0345 ± 0.0094,(1.35 ± 0.14) × 107/L,they were significandy lower than those in control group [0.0537 ± 0.0128,(2.06 ± 0.27) × 107/L],and SRA group was significandy lower than SSA group,there were statistical differences (P ＜ 0.05).The levels of serum TGF-β1 in SRA group and SSA group were significantly lower than those in control group [(138.12 ± 23.26),(176.25 ± 40.37) ng/L vs.(281.22 ±47.15) ng/L],there was statistical difference (P ＜0.05).The levels of serum IL-10 in SRA group was significantly lower than that in control group [(516.43 ± 86.33)ng/L vs.(763.02 ± 90.19) ng/L],there was statistical difference (P ＜ 0.05).There was no statistical difference in the level of serum IL-10 between SSA group and control group (P ＞ 0.05).The levels of serum IL-10 and TGF-β 1 in SRA group were significantly lower than those in SSA group,there were statistical differences (P ＜ 0.05).The levels of serum IL-10 and TGF-β1 had positive correlation with CD4 + CD25 + Foxp3 +Treg in SRA group and SSA group (P ＜ 0.01).Conclusion The interaction among CD4+ CD25+ Foxp3 +Treg,IL-10 and TGF-β1 may play an important role in the SRA occurrence and development,while by increasing peripheral blood CD4 + CD25 + Foxp3 +Treg number and stabilizing its function can increase IL-10 and TGF-β1 expression,which may be an important way to treat SRA.
