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Identification of the epitopes on HCV core protein recognized by HLA-A2 restricted cytotoxic T lymphocytes 被引量:11
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作者 Hong-Chao Zhou De-Zhong Xu Xue-Ping Wang Jing-Xia Zhang Ying-Huang Yong-Ping Yan Yong Zhu Bo-Quan Jin Department of Epidemiology,the Fourth Military Medical University,Xi’an 710033,Shaanxi Province,ChinaDepartment of Immunology,the Fourth Military Medical University,Xi’an 710033,Shaanxi Province,China 《World Journal of Gastroenterology》 SCIE CAS CSCD 2001年第4期583-586,共4页
AIM: To identify hepatitis C virus(HCV) core protein epitopes recognized by HLA-A2 restricted cytotoxic T lymphocyte (CTL). METHODS: Utilizing the method of computer prediction followed by a 4h(51)Cr release assay con... AIM: To identify hepatitis C virus(HCV) core protein epitopes recognized by HLA-A2 restricted cytotoxic T lymphocyte (CTL). METHODS: Utilizing the method of computer prediction followed by a 4h(51)Cr release assay confirmation. RESULTS: The results showed that peripheral blood mononuclear cells (PBMC) obtained from two HLA-A2 positive donors who were infected with HCV could lyse autologous target cells labeled with peptide &quot;ALAHGVRAL (core 150-158)&quot;. The rates of specific lysis of the cells from the two donors were 37.5% and 15.8%, respectively. Blocking of the CTL response with anti-CD4 mAb caused no significant decrease of the specific lysis. But blocking of CTL response with anti-CD8 mAb could abolish the lysis. CONCLUSION: The peptide (core 150-158) is the candidate epitope recognized by HLAA2 restricted CTL. 展开更多
关键词 Amino Acid Sequence Antibodies Viral B-LYMPHOCYTES Cell Line Epitope Mapping hla-a2 Antigen HEPACIVIRUS Hepatitis C Humans peptide Fragments Predictive Value of Tests Research Support Non-U.S. Gov't T-Lymphocytes Cytotoxic Viral Core Proteins
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