The Role of Regulatory T Cell in Nontypeable Haemophilus influenzae-Induced Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Figure 4

Expressions of inflammatory cytokines. IL-1β, IL-6, and TNF-α were detected in lung homogenates (a, b, and c). Serum levels of TGF-β1 and IL-17 in the four groups were presented in (d, e). n = 5–7 in each group; each test was repeated three times. Data was expressed as mean ± SD. Analysis of differences among groups was conducted with one-way ANOVA-LSD. , , and versus NC; and versus CS.

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