首页> 外文期刊>Cellular immunology >Elevated frequency of CD1c+ myeloid dendritic cells in the peripheral blood mononuclear cells of simian/human immunodeficiency virus (SHIV) and simian immunodeficiency virus (SIV) repeatedly infected Chinese rhesus macaques.
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Elevated frequency of CD1c+ myeloid dendritic cells in the peripheral blood mononuclear cells of simian/human immunodeficiency virus (SHIV) and simian immunodeficiency virus (SIV) repeatedly infected Chinese rhesus macaques.

机译:反复感染中华猕猴的猿猴/人类免疫缺陷病毒(SHIV)和猿猴免疫缺陷病毒(SIV)外周血单个核细胞中CD1c +髓样树突状细胞的频率升高。

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CD1c+ myeloid dendritic cells (mDCs) in the peripheral blood of 30 SHIV-SF162p4 and SIVmac251 sequentially infected Chinese rhesus macaques were examined by flow cytometry to obtain further insight into mDC alterations in HIV/AIDS. The CD1c+ cells were found to be mononuclear leukocytes rather than granulocytes, and most of them expressed CD20. CD1c+mDCs (CD1c+CD20-) consisted of two morphological subsets: the granular and the large CD1c+mDCs. The expression of HLA-DR, CD86, and CD11b, but no CCR7, CD83 and CD123, together with their endocytotic capacity indicated that they were immature mDCs. Their frequency at weeks 10 and 12 post-infection was significantly higher than that of un-infected ones; the large CD1c+mDC level was significantly different between time points and almost absent from un-infected rhesus monkeys; significant correlations between CD1c+mDCs and plasma viral load levels were also observed. These data indicated a possible role for CD1c+mDCs in the pathophysiological process of SIV/HIV infection.
机译:通过流式细胞术检查了依次感染的30只SHIV-SF162p4和SIVmac251猕猴外周血中的CD1c +髓样树突细胞(mDC),以进一步了解mDC改变的HIV / AIDS。发现CD1c +细胞是单核白细胞而不是粒细胞,并且大多数表达CD20。 CD1c + mDC(CD1c + CD20-)由两个形态子集组成:颗粒状和大CD1c + mDC。 HLA-DR,CD86和CD11b的表达,但没有CCR7,CD83和CD123的表达,以及它们的内吞能力表明它们是未成熟的mDC。在感染后第10和12周,它们的频率明显高于未感染的。 CD1c + mDC的大水平在各时间点之间存在显着差异,未感染的恒河猴几乎没有。还观察到CD1c + mDC与血浆病毒载量水平之间存在显着相关性。这些数据表明CD1c + mDC在SIV / HIV感染的病理生理过程中可能发挥作用。

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