Dataset Information

Comparative analysis of serum proteins between hepatitis B virus genotype B and C infection DIA-based quantitative proteomics

ABSTRACT: Hepatitis B virus (HBV) is an enveloped, coated, non-cytopathic and hepatotropic partially double-stranded DNA virus in the family Hepadnaviridae genus Orthohepadnavirus. Despite significant progress in the availability of safe vaccines and antiviral therapies against HBV, it still affects approximately 257 million people worldwide and is responsible for about 887,000 deaths per year around the world [4]. HBV infection, which are associated with acute and chronic liver failure responses to viruses attacked the liver, can result in inactive carrier state, chronic hepatitis, or fulminant hepatitis and put them at high risk to develop advanced liver fibrosis and cirrhosis, and even hepatocellular cancer. Many viral factors, which could affect the disparity of clinical outcomes or disease prognosis during chronic HBV infection, have been reported in previous studies; among them, the viral genotype, as well as HBV mutations ascribing the virus to a certain phenotype, was reported to be the most important factor influencing viral pathogenesis, including the change of host immune recognition, the enhanced virulence with increased HBV replication and the facilitation of cell attachment or penetration.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Serum

SUBMITTER: Dahai Wei

LAB HEAD: Dahai Wei

PROVIDER: PXD025968 | Pride | 2022-02-17

REPOSITORIES: Pride

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Comparative Analysis of Serum Proteins Between Hepatitis B Virus Genotypes B and C Infection by DIA-Based Quantitative Proteomics.

Chen Yunqing Y Wei Dahai D Deng Min M

Infection and drug resistance 20211109

<h4>Purpose</h4>In clinical practice, the clinicopathological profiles and outcomes of patients infected with hepatitis B virus (HBV) are different between genotypes B and C. However, little is known about the potential mechanism and differences in specific biological pathways associated with the different genotype. This study aimed to compare the serum protein profile between patients infected with HBV genotype B and those infected with HBV genotype C.<h4>Patients and methods</h4>A total of 54 ...[more]

PMID: 34795487

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Project description:Hepatitis B virus (HBV) causes both acute and chronic liver inflammation. Approximately 600,000 CHB patients each year die of HBV-related diseases such as cirrhosis and liver cancer. Therefore, CHB remains a global health concern. Although there have been anti-HBV agents for treating CHB, they have some limitations including viral-drug resistance and adverse effects. Type III IFN or IFN-λ is promising to use as anti-HBV agents because of its anti-viral activities like type I IFNs. In addition, the expression of its receptor, IFNLR1, is limited only in epithelial cells including hepatocytes. Thus, treatment with IFN-lambda results in less side effects compared to IFN-alpha treatment. IFN-lambdas have been shown to inhibit the replication of several viruses including IAV, DENV, EMCV, HIV, HCV, and HBV; however, there have been no studies on the effects of IFN-λ3, the highest activity among other subtypes, on HBV replication. Therefore, this study aims to determine antiviral activities of IFN-λ3 against HBV replication and to investigate its molecular mechanism responsible for suppressing HBV propagation. The results showed that HBV transcripts and amount of intracellular HBV DNA were decreased in HepG2.2.15 cells, stable HBV-transfected hepatoblastoma cell line, treated with IFN-λ3 in a dose-dependent manner. This indicated that IFN-λ3 could inhibit HBV replication. Next, we performed quantitative proteomics to investigate the proteome changes in HepG2.2.15 treated with IFN-λ3. The proteins that changed their expressions were involved in several biological processes such as defense to viral infection, immune responses, cell-cell adhesion, transcription, translation, and metabolism. We further confirmed the proteomics results by immunoblotting assay. Consistent with MS data, it found that the expression of OAS3, SAMHD1 and STAT1 were increased as a result of IFN-λ3 stimulation. These results indicated that proteomics results were reproducible and reliable. Finally, we proposed 3 possible mechanisms involved in suppressing HBV replication including i.) IFN-λ3 induced anti-viral proteins affecting many steps in HBV life cycle ii.) IFN-λ3 promoted antigen processing and antigen presentation and iii.) IFN-λ3 rescued RIG-I signaling to promote both type I and type III IFN production.

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