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CD14+ cell dysfunction in patients with chronic active hepatitis B
Ran Wei, Zuo-Li Xia, Bin Chen, Ji-Ju Han, Dao-Ling Ren, Ming-Feng Yang
Ran Wei, Zuo-Li Xia, Department of Physiology, Shandong University School of Medicine, Jinan 250012, Shandong Province, China
Bin Chen, Ji-Ju Han, Dao-Ling Ren, Ming-Feng Yang, Institute of Basic Medical Science, Taishan Medical College, Taian 271000, Shandong Province, China
Correspondence to: Dr. Ran Wei, Institute of Basic Medical Science,Taishan Medical College, 2 East Yingsheng Road, Taian 271000, Shandong Province, China. jcyxyjs@tsmc.edu.cn
Received: June 6, 2003 Revised: September 5, 2003 Accepted: October 12, 2003 Published online: March 15, 2004
AIM: To study the functional states of CD14+ cells in peripheral blood mononuclear cell (PBMCs) by analyzing the expression of early active antigen, production of pro-inflammatory cytokines and phagocytosis with flow cytometry (FCM).
METHODS: PBMCs were isolated from 11 patients with chronic active hepatitis B and 10 healthy blood donors, and 4-color flow cytometry and gate setting techniques were applied. The percentage of CD14+ cells and level of CD14 antigen were tested by FCM, after gate setting with CD14, side scatter (SSC) and activation-linked surface antigen (CD69) expression rate, percentage of TNF-α producing cells, level of intro-cellular TNF-α, the percentage of phagocytes and the ability of phagocytosis were investigated.
RESULTS: The SSC mean value of CD14+ cell of HBV patients was higher than that of health control (P < 0.01); There were no difference between two testing groups on the percentage of CD14+ cells and level of CD14 antigen, however the level of CD14 antigen was positively associated with the percentage of CD14+ cells. CD14/69 double expression rate was significantly higher than that of control group (P < 0.01); No difference was observed on CD14/TNF-α double stain cells between testing groups; In comparison with control group, the level of cellular TNF-α in HBV group was higher (P < 0.05). In control group, the percentage of TNF-α producing cells were correlated with SSC value and number of phagocytes that expressed CD14/69. There was no difference in phagocytes that expressed CD14/69 in two groups. As compared with the control group, there was more phagocytostic CD14+ cells in HBV group (P < 0.01), but the mean phagocytosis amount was significantly lower in this group (P < 0.05), and the number of phagocyte was negatively correlated with the level of CD14 antigen; while the SSC value and number of TNF-αproducing cells were negatively correlated with level of CD14 antigen.
CONCLUSION: CD14+ cells in PBMCs from chronic active hepatitis B patients are over activated in a dysfunction stage.
Key Words: N/A
Citation: Wei R, Xia ZL, Chen B, Han JJ, Ren DL, Yang MF. CD14+ cell dysfunction in patients with chronic active hepatitis B. Shijie Huaren Xiaohua Zazhi 2004; 12(3): 618-621
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