Role of hepatitis B virus-induced myeloid-derived suppressor cell subsets in chronic HBV infection
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摘要: HBV是一种嗜肝性DNA病毒,HBV感染不会引起直接的肝细胞病变,宿主免疫应答决定了病毒能否被清除,同时也是导致HBV相关肝脏疾病的主要原因。髓源性抑制细胞(MDSC)是一群起源于骨髓的非淋巴免疫抑制性细胞,多种病理条件下调节固有和获得性免疫应答。研究发现慢性乙型肝炎患者外周血中MDSC明显高于健康人群,主要介绍了HBV诱导的MDSC亚群在HBV持续感染和肝脏病理学机制中的作用。Abstract: Hepatitis B virus( HBV) is a member of hepadnavirus,and HBV infection may not cause direct hepatocyte lesions. Host immune response determines whether the virus can be eliminated and is a major cause of HBV-related liver diseases. Myeloid-derived suppressor cells( MDSCs) are a group of non-lymphoid immune suppressor cells originating from bone marrow and can regulate innate and adaptive immune responses under different pathological conditions. Studies have shown that chronic hepatitis B patients have a significantly higher number of MDSCs in peripheral blood than the healthy population. This article introduces the role of HBV-induced MDSC subsets in persistent HBV infection and liver pathological mechanism.
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