Abstract • Lymphokine-activated killer cells are thought to be important mediators of host tumor defense. In the present study, the cytotoxic potential of lymphokine-activated lymphocytes against different head and neck squamous cell carcinoma cell lines was investigated. Lymphokine-activated killer cells were derived from peripheral blood lymphocytes. Effector peripheral blood lymphocyte cell suspensions were incubated in the presence or absence of recombinant interleukin-2. Cytotoxicity of incubated cells or fresh peripheral blood lymphocytes was determined in a 3-hour chromium 51 release assay. Target cell lines included K562 (a natural killer–sensitive target) and the following head and neck squamous cell carcinoma cell lines: Cal 27, UMSCC-1, UMSCC-8, UMSCC-16, UMSCC-19, and UMSCC-22a. Fresh peripheral blood lymphocytes and peripheral blood lympho References 1. Lundy J, Wanebo H, Pinsky C, et al. 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Archives of Otolaryngology - Head & Neck Surgery – American Medical Association
Published: Jun 1, 1989
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