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Virologica Sinica, 15 (4) : 318-322, 2000
Review
The Study of a Helper T-cell Epitope in Hepatitis C Virus Non-structural 3 Protein
Institute of Microbiology and Epidemiology,Academy 0,Military Medical Science,Beijing 100071,China
 Correspondence:
(145.35KB)  
Abstract
The genes of C terminal of HCV NS3 region of two chronic patients in two different time were sequenced to analyse the conservation of a helper T cell epitope in HCV NS3 protein (amino acids 1248 to 1261). The epitope was synthesized and the immune response to it in a self limited patient and two chronic patients was detected using T lymphocyte proliferation assay and inhibition experiment. The epitope specific T cell line was established by several cycles of “stimulation relax stimulation” and analysed with a FACScan. The results indicated that the epitope didn't change in two chronic patients, all three patients had strong CD4 + T cell reponse to the epitope, and epitope specific CD4 + T cell line was established. These data suggest that the eptiope is a conserved strong helper T cell epitope and could become a promising candidate for designing a CD4 + T cell vaccine.
  Published online: 5 Dec 2000
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