Repository of Research and Investigative Information

Repository of Research and Investigative Information

Rafsanjan University of Medical Sciences

Toll-Like Receptor 4 and Hepatitis B Infection: Molecular Mechanisms and Pathogenesis

(2014) Toll-Like Receptor 4 and Hepatitis B Infection: Molecular Mechanisms and Pathogenesis. Viral Immunology. pp. 321-326. ISSN 0882-8245

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Abstract

Hepatitis B virus (HBV) infection mainly causes liver disease, including inflammation, cirrhosis, and hepatocellular carcinoma ( HCC). It has been documented that prolonged hepatitis B-infected patients are unable to clear HBV from hepatocytes completely. Previous investigations have suggested that various genetic and immunologic parameters may be responsible for the induction of prolonged infection forms. Toll-like receptors ( TLRs), as members of pathogen recognition receptors ( PRRs), play critical roles in the recognition of viruses and the induction of appropriate immune responses. Thus, TLRs may be considered as essential sensors for the recognition of HBV and the induction of immune responses against this virus. It has been documented that TLR4 plays key roles in the detection of several microbial pathogen-associated molecular pattern molecules, including bacterial lipopolysacharide ( LPS), as well as endogenous ligands ( damage-associated molecular pattern molecules) and subsequently activates pro-inflammatory transcription factors in either MYD88 or TRIF dependent pathways. Previous investigations have proposed that TLR4 might be involved in appropriate immune responses against HBV. Therefore, the aim of this review is to present the recent data regarding the important roles of TLR4 in HBV recognition and regulation of immune responses against this virus, and also its roles in the pathogenesis of cirrhosis and HCC as complications of prolonged hepatitis B infections.

Item Type: Article
Keywords: nonparenchymal liver-cells chronic hbv infection nf-kappa-b hepatocellular-carcinoma signaling pathway iranian patients virus-infection tlr4 agonists serum-levels in-vivo Immunology Virology
Page Range: pp. 321-326
Journal or Publication Title: Viral Immunology
Journal Index: ISI
Volume: 27
Number: 7
Identification Number: https://doi.org/10.1089/vim.2014.0039
ISSN: 0882-8245
Depositing User: مهندس مهدی شریفی
URI: http://eprints.rums.ac.ir/id/eprint/4620

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