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使用γ-干扰素酶酶联免疫检测的特点人类乳头状瘤病毒的新型T-细胞表位
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
DOI:

13:41 min

March 08, 2012

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Chapters

  • 00:05Title
  • 01:59Limiting Dilution of Epitope-specific T Cells
  • 03:45Identifying Epitope-specific T-cell Clones: High-throughput Screening ELISPOT Assay
  • 07:10Confirm Epitope-specific Nature of the T-cell Clones
  • 07:30Is the Epitope Endogenously Processed?
  • 08:09Characterizing the Minimal and Optimal Sequence of the T-cell Epitope
  • 08:39Identify the Restriction Element Using the ELISPOT Assay
  • 09:09Crossreactivity of the Epitope-specific T-cell Clones to Homologous Amino Acid Sequences from Other High-risk HPV Types
  • 09:32A Clinical Case
  • 13:08Conclusion

Summary

Automatic Translation

Characterizing T-cell epitopes of pathogens that cause localized infections such as human papillomavirus is a challenge because of limited number of T cells in circulation. A method is described in which rare T cells were isolated and were characterized starting with a very small number of cells.

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