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Natural cell mediated cytotoxicity in mice treated with total lymphoid irradiation (TLI)

Journal Article · · Cell. Immunol.; (United States)
Fractionated total lymphoid irradiation (TLI) of adult (BALB/c X C57BL/6)F/sub 1/ mice resulted in transiently augmented natural killer (NK) and natural cytotoxic (NC) cell activities. Thus, 1 day after completion of TLI, NK and NC activities in the spleens of treated mice were lower than controls but values increased and reached a maximum level of 23- to 190-fold above control at 6 days after irradiation, returning to normal levels 9 days later. Cytotoxicity was enhanced after removal of the plastic adherent population.No cytotoxicity was observed against P 815 target cells, which are sensitive to activated macrophages but not to NK. The significance of this modulation of natural cell-mediated cytotoxicity following TLI is discussed.
Research Organization:
Hebrew Univ. of Jerusalem, Israel
OSTI ID:
6713995
Journal Information:
Cell. Immunol.; (United States), Journal Name: Cell. Immunol.; (United States) Vol. 70:1; ISSN CLIMB
Country of Publication:
United States
Language:
English