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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Huang, Yanxiang Yan, Huiping Guo, Xiaolan Yi, Tingting Zhang, Guoyuan Luo, Guangcheng Feng, Xia Wang, Dongsheng |
| Description | Author Affiliation: Luo G ( Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China.); Feng X ( Research Center for Infection and Immunity, Beijing You'an Hospital, Capital Medical University, Beijing 100069, P.R. China.); Huang Y ( Research Center for Infection and Immunity, Beijing You'an Hospital, Capital Medical University, Beijing 100069, P.R. China.); Yi T ( Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China.); Wang D ( Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China.); Guo X ( Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China.); Yan H ( Research Center for Infection and Immunity, Beijing You'an Hospital, Capital Medical University, Beijing 100069, P.R. China.); Zhang G ( Department of Clinical Laboratory, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China.) |
| Abstract | A weak Tcell immune response to the hepatitis B virus (HBV) is hypothesized to be the primary cause of chronic HBV infection. Emerging evidence suggests that longterm effective antiviral therapy restores the HBVspecific Tcell response from exhaustion. However, the extent to which the cellular immune response can be restored following the persistent suppression of HBV replication by antiviral therapy remains unclear. In order to investigate this question, 46 patients with chronic hepatitis B (CHB) treated with nucleos(t)ide analogues who demonstrated persistent suppression of HBV replication [defined as undetectable HBV DNA, hepatitis B e antigen (HBeAg) negative and adherence to antiviral therapy], 22 untreated CHB patients, 15 patients with acute hepatitis B (AHB) and 10 healthy adults were recruited. HBVspecific interferonγ enzymelinked immunospot (IFNγ ELISPOT) assay and HBVspecific Tcell proliferation analysis were performed with a panel of overlapping peptides covering the envelope and core antigens. Data from this study showed that the HBVspecific immune responses to the peptide pools of the envelope and core protein in the treated patients were stronger than those in the untreated CHB patients, but significantly weaker than those in the AHB patients and healthy adults. A higher frequency of response to S than C peptide pools was confirmed by the IFNγ ELISPOT assay in the treated CHB patients. The restoration of antiviral immunity was clearly associated with a reduction in HBV DNA and the duration of HBV DNA suppression. In conclusion, the HBVspecific immune responses in the CHB patients can be significantly restored from exhaustion following the persistent suppression of HBV replication as a result of antiviral treatment with nucleos(t)ide analogues. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| Journal | Molecular Medicine Reports |
| Issue Number | 2 |
| Volume Number | 11 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-02-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Antiviral Agents Therapeutic Use Hepatitis B, Chronic Drug Therapy Immunity, Cellular Cell Proliferation Dna, Viral Blood Enzyme-linked Immunospot Assay Genotype Hepatitis B e Antigens Hepatitis B Virus Genetics Metabolism Immunology Virology Drug Effects Leukocytes, Mononuclear Peptides Chemical Synthesis Pharmacology Polymerase Chain Reaction T-lymphocytes Cytology Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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