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γ干扰素对培养的小鼠腹腔巨噬细胞产生过氧化氢的影响。

Effect of gamma interferon on hydrogen peroxide production by cultured mouse peritoneal macrophages.

作者信息

Sharp A K, Banerjee D K

出版信息

Infect Immun. 1986 Nov;54(2):597-9. doi: 10.1128/iai.54.2.597-599.1986.

Abstract

Macrophage activation is thought to be mediated via a number of T-lymphocyte products, including gamma interferon (IFN-gamma). However, our studies indicate that IFN-gamma acts as a regulator molecule rather than solely as an activator. This depends upon the status of the macrophage. IFN-gamma treatment of resting macrophages and those activated or elicited by sodium caseinate, lipopolysaccharide, or Mycobacterium bovis BCG did not result in activation, as measured by hydrogen peroxide production; however, when thioglycolate was used as an eliciting agent, incubation with IFN-gamma resulted in a dramatic increase in hydrogen peroxide production compared with that by untreated controls.

摘要

巨噬细胞的激活被认为是通过多种T淋巴细胞产物介导的,包括γ干扰素(IFN-γ)。然而,我们的研究表明,IFN-γ作为一种调节分子发挥作用,而不仅仅是一种激活剂。这取决于巨噬细胞的状态。用IFN-γ处理静止的巨噬细胞以及那些由酪蛋白酸钠、脂多糖或牛分枝杆菌卡介苗激活或诱导的巨噬细胞,以过氧化氢产生量来衡量,并未导致激活;然而,当用巯基乙酸盐作为诱导剂时,与未处理的对照相比,与IFN-γ一起孵育会导致过氧化氢产生量显著增加。

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