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首页> 外文期刊>Cytokine >Dysregulation of proinflammatory and regulatory cytokines in HIV infected persons with active tuberculosis.
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Dysregulation of proinflammatory and regulatory cytokines in HIV infected persons with active tuberculosis.

机译:HIV感染的活动性肺结核患者的促炎和调节性细胞因子异常。

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Proinflammatory and regulatory cytokines have been implicated to play important role in immunopathology of HIV and tuberculosis (TB) infection. Capacity of unstimulated and mitogen-stimulated peripheral blood mononuclear cells (PBMCs) to secrete cytokines (interleukin (IL)-2, interferon-gamma (IFN-gamma), tumor necrosis factor-alpha (TNF-alpha), IL-4, IL-10 and IL-6) was estimated for 15 HIV-TB coinfected patients, 22 HIV seropositives without TB, 32 HIV negative TB patients, and 36 healthy subjects. Dually infected patients had suppression of both Th1 and Th2 cytokine secretion as evidenced by significantly lower production of IL-2, IFN-gamma and TNF-alpha as well as IL-4 and IL-10. Production of IL-2 and TNF-alpha was significantly decreased only in case of HIV infection. Significantly higher IL-6 secretion was found in unstimulated cultures in dually infected patients. The mitogen induced cytokine secretion was generally lower in HIV-TB coinfected patients indicating profound perturbation of both Th1 and Th2 responses.
机译:促炎性和调节性细胞因子被认为在HIV和结核病(TB)感染的免疫病理学中起着重要作用。未刺激和促分裂原刺激的外周血单核细胞(PBMC)分泌细胞因子(白介素(IL)-2,干扰素-γ(IFN-γ),肿瘤坏死因子-α(TNF-alpha),IL-4,IL的能力) -10和IL-6)估计为15例HIV-TB合并感染的患者,22例无结核的HIV血清阳性,32例HIV阴性的TB患者和36例健康受试者。双重感染的患者抑制了Th1和Th2细胞因子的分泌,IL-2,IFN-γ和TNF-α以及IL-4和IL-10的产生明显降低证明了这一点。仅在HIV感染的情况下,IL-2和TNF-α的产生才显着降低。在双重感染患者的未刺激培养物中发现明显更高的IL-6分泌。在HIV-TB合并感染的患者中,有丝分裂原诱导的细胞因子分泌通常较低,表明Th1和Th2反应都受到严重干扰。

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