Abstract:
:CD8+ T lymphocytes are key effectors in the control of viral diseases and some tumours. In general, the majority of CD8+ T cells recognize a few immunodominant epitopes, but in some circumstances, subdominant specificities may be more relevant as targets for vaccines or immunotherapy. Epstein-Barr virus (EBV)-associated cancers are an example where knowledge of subdominant-specific CD8+ T cells is important because the immunodominant EBV proteins are not expressed in these cancers. We have developed a live-cell sorting method based on CD107 detection to remove CD8+ T cells recognising dominant EBV epitopes and show that this allows enrichment of subdominant-specific CD8+ T cells in subsequent cultures. This work shows that immunodomination in vitro suppresses the outgrowth of subdominant-specific CD8+ T cells in culture. The method may have broad applications for finding subdominant targets for immunotherapy and vaccines, and the principle suggests a means of improving subdominant CD8+ T-cell cultures grown for immunotherapy.
journal_name
Immunol Cell Bioljournal_title
Immunology and cell biologyauthors
Moor RJ,Morrison LE,Moss DJ,Tscharke DCdoi
10.1038/sj.icb.7100083subject
Has Abstractpub_date
2007-10-01 00:00:00pages
546-50issue
7eissn
0818-9641issn
1440-1711pii
7100083journal_volume
85pub_type
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