Expression profiles and function of Toll-like receptors 2 and 4 in peripheral blood mononuclear cells of chronic hepatitis B patients

Toll-like receptors (TLRs) play a central role in sensing and initiating innate antiviral response. In this study, we first investigated the expression of TLR1-10 mRNA transcripts in peripheral blood mononuclear cells (PBMCs) from chronic HBV-infected (CHB) patients and healthy donors by quantitativ...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 128(2008), 3 vom: 15. Sept., Seite 400-8
1. Verfasser: Chen, Zhiao (VerfasserIn)
Weitere Verfasser: Cheng, Yuming, Xu, Yongfen, Liao, Jing, Zhang, Xiaonan, Hu, Yunwen, Zhang, Qin, Wang, Jiefei, Zhang, Zhanqing, Shen, Fang, Yuan, Zhenghong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Cytokines Hepatitis B Surface Antigens RNA, Messenger Toll-Like Receptor 1 Toll-Like Receptor 2 Toll-Like Receptor 4 Toll-Like Receptor 6
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520 |a Toll-like receptors (TLRs) play a central role in sensing and initiating innate antiviral response. In this study, we first investigated the expression of TLR1-10 mRNA transcripts in peripheral blood mononuclear cells (PBMCs) from chronic HBV-infected (CHB) patients and healthy donors by quantitative real-time PCR. The expression of TLR1, TLR2, TLR4 and TLR6 transcripts was significantly lower in PBMCs from CHB patients, and the down-regulation of TLR2 was related to HBV genotype C. Flow cytometric analysis showed that the expression of TLR2 on PBMCs was significantly decreased in CHB patients. Furthermore, impaired cytokine production was observed in PBMCs from CHB patients after challenged with TLR2 and TLR4 ligands and was correlated with the levels of plasma hepatitis B virus surface antigen (HBsAg). In conclusion, our study reveals a possible interaction between HBsAg, TLR signaling and the innate immune response, which may partially explain the mechanism of HBV infection induced immuno-tolerance 
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650 7 |a Hepatitis B Surface Antigens  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
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650 7 |a Toll-Like Receptor 4  |2 NLM 
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700 1 |a Cheng, Yuming  |e verfasserin  |4 aut 
700 1 |a Xu, Yongfen  |e verfasserin  |4 aut 
700 1 |a Liao, Jing  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiaonan  |e verfasserin  |4 aut 
700 1 |a Hu, Yunwen  |e verfasserin  |4 aut 
700 1 |a Zhang, Qin  |e verfasserin  |4 aut 
700 1 |a Wang, Jiefei  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhanqing  |e verfasserin  |4 aut 
700 1 |a Shen, Fang  |e verfasserin  |4 aut 
700 1 |a Yuan, Zhenghong  |e verfasserin  |4 aut 
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