IFN-γ激活的脐血树突状细胞对肿瘤细胞的杀伤作用及其机制研究

CHINESE JOURNAL OF MICROBIOLOGY AND IMMUNOLOGY(2004)

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Abstract
树突状细胞(dendritic cell, DC)不仅具有抗原提呈功能,本身也具有一定程度的肿瘤杀伤活性.目前,有关DC直接抗肿瘤活性的研究主要集中于外周血及骨髓来源的DC,而脐带血DC尚未见相关报道.因此,本文以脐血单核细胞诱导的DC为研究对象,检测其在成熟刺激因子γ-干扰素(interferon-γ, IFN-γ)激活后对恶性血液病细胞株的杀伤活性,并通过细胞膜及细胞内TNF家族配体的改变初步探讨其杀伤机制.
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