气体分子硫化氢在炎症与免疫调节中的研究进展

硫化氢(H2S)是具有生物学效应的气体小分子,它在免疫系统中亦发挥着重要的调节功能。H2S可通过影响IL-2(Interleukin-2)的合成抑制淋巴细胞增殖;可通过激活ERK激酶(extracellular regulated pro-tein kinases)或者KATP通道(ATP-sensitive potassium channel),促进单核巨噬细胞及中性粒细胞分泌促炎因子,导致组织损伤,诱导诸如溃疡性结肠炎、胃炎、急性胰腺炎、急性肺损伤及毒血症等多种炎症性疾病。相反,H2S还可诱导多种抑炎因子,发挥抑制炎症的作用。鉴于H2S在免疫与炎症中发挥的生理和病理效应,该文对H2S在炎症与免疫调节中的研究进展进行综述。

Involvement of hydrogen sulfide in inflammation and immune regulation

Hydrogen sulfide（H2S） is endogenously produced gaseous autacoids that participate in several physiologic processes.In recent years,evidence has accumulated to suggest important roles for H2S as a regulator in immune system.Exogenous H2S inhibits cell proliferation of lymphocytes subsets by reducing IL-2 secretion.H2S donors may enhance inflammatory response in neutrophil and macrophage via activation of ERK or KATP,which results in several inflammatory diseases such as colitis,gastritis,acute pancreatitis,acute lung injury,asthma and septicemia.On the other hand,H2S may induce some anti-inflammatory cytokines that suppress inflamma-tory response in some animal models.Here we overview the advanced researches in H2S and its influence on inflammation and immune regulation.