[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads]

[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads] Research Abstract Details 

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[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads] Abstract Text:

Ming-quan Chen,Guang-feng Shi,Qing Lu,Qian Li,Qiong-hua Zhang,Qang Qin,Xin-hua Weng,

OBJECTIVE: To investigate the phenotypes and functions of peripheral blood monocyte derived dendritic cells (DC) of chronic hepatitis B (CHB) patients with different HBV DNA loads. METHODS: Twenty-eight CHB patients were included in this study. All patients were treated with nucleoside analogues (lamivudine or LdT or adeforvir) for 24 weeks. Peripheral blood HBV DNA loads and liver biopsies were assessed before and after the treatment. The patients were divided into two groups according to their peripheral blood HBV DNA loads: a high-load group with HBV DNA loads higher than 10(5) copies/ml, and a low-load group with HBV DNA loads lower than 10(3) copies/ml. Ten healthy people were included as controls. Peripheral blood DC of each subject was enriched. The phenotypes of DC were subjected to flow cytometric analysis. The lymphocyte allo-stimulatory capacity of DC was evaluated through MTT assay. IL-10 and IL-12 production were quantified by ELISA. RESULTS: DC proliferated successfully when stimulated by cytokines in vitro; however, DC of the CHB patients proliferated much slower than those of the healthy controls. The expression of DC surface molecules such as HLA-DR, CD86, CD80 and CD83 had a positive rate of over 80% in the normal population. However in our CHB patients they showed lower than normal expressions, especially the HLA-DR, CD86, CD80 and CD83, but the differences were not significant between the two groups with different virus loads. The stimulatory capacity of the DC in mixed lymphocyte reaction showed no difference between the two groups of patients, but both were lower than that of the healthy controls. The production of IL-12 and IL-10 also decreased significantly in the patients. CONCLUSIONS: Peripheral DC of CHB patients have some defects in their phenotypes and their stimulatory capacity. The changes in phenotypes and down-regulation of the functions are not relevant to peripheral HBV DNA loads of the patients.

[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads] Publishing Authors By Initials

MQ Chen,GF Shi,Q Lu,Q Li,QH Zhang,Q Qin,XH Weng,

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[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Zhonghua gan zang bing za zhi = Zhonghua ganzangbi

VOLUME: 15

Page Numbers: 19-23

Journal Abbreviation: Zhonghua Gan Zang Bing Za Zhi

ISSN: 1007-3418

DAY: 24

MONTH: Jan

YEAR: 2007

[Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis B patients with different HBV DNA loads] Information

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LANGUAGE: chi

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AFFILIATION: Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200040, China.

Country: China

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MEDLINETA: Zhonghua Gan Zang Bing Za Zhi

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