A Phase I Trial of B7-Transfected or Parental Lethally Irradiated Allogeneic Melanoma Cell Lines to Induce Cell-Mediated Immunity Against Tumor-Associated Antigen Presented by HLA-A2 or HLA-A1 in Patients with Stage IV Melanoma. National Institutes of Health, Bethesda, Maryland
- 1 January 1995
- journal article
- clinical trial
- Published by Mary Ann Liebert Inc in Human Gene Therapy
- Vol. 6 (1) , 87-106
- https://doi.org/10.1089/hum.1995.6.1-87
Abstract
T cell lines generated by primary in vitro stimulation with B7-expressing HLA-A2+ melanoma cells lyse HLA-A2+ melanomas, but not non-melanomas that are HLA-A2+. Other data have demonstrated lack of response of these T cell lines against non-HLA-A2 melanomas. These concepts are verified by data from MALME MEL, which is killed, and MALME FIB, which is not. In no case was lysis directed at targets expressing potential allo-antigens (except for HLA-A2+ melanomas). A19 and Aw33 have not been excluded as possible allo-targets (but no data suggests they are). In total, it appears that much of the lytic activity observed in the two T cell lines is directed against HLA-A2-restricted, melanoma-specific antigens.Keywords
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