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首页> 外文期刊>Cellular immunology >Preserved MHC-II antigen processing and presentation function in chronic HCV infection.
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Preserved MHC-II antigen processing and presentation function in chronic HCV infection.

机译:慢性HCV感染保存MHC-II抗原加工和呈递功能。

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Individuals with chronic HCV infection have impaired response to vaccine, though the etiology remains to be elucidated. Dendritic cells (DC) and monocytes (MN) provide antigen uptake, processing, presentation, and costimulatory functions necessary to achieve optimal immune responses. The integrity of antigen processing and presentation function within these antigen presenting cells (APC) in the setting of HCV infection has been unclear. We used a novel T cell hybridoma system that specifically measures MHC-II antigen processing and presentation function of human APC. Results demonstrate MHC-II antigen processing and presentation function is preserved in both myeloid DC (mDC) and MN in the peripheral blood of chronically HCV-infected individuals, and indicates that an alteration in this function does not likely underlie the defective HCV-infected host response to vaccination.
机译:具有慢性HCV感染的个体对疫苗的反应受损,尽管病因仍有待阐明。 树突细胞(DC)和单核细胞(Mn)提供抗原摄取,加工,呈递和达到最佳免疫应答所需的共刺激功能。 在HCV感染的设置中,这些抗原在这些抗原呈递细胞(APC)中的抗原处理和呈现功能的完整性尚不清楚。 我们使用了一种新的T细胞杂交瘤系统,具体测量人APC的MHC-II抗原处理和呈现功能。 结果证明了MHC-II抗原处理和呈现功能在霉菌的骨髓肿瘤中保存在长期HCV感染的个体的外周血中,并表明该功能的改变可能不具有缺陷的HCV感染宿主。 反应疫苗接种。

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