2007•Zhongguo shuxue zazhiRequires access

The lethal activity of lymphokine activated killer cells from umbilical blood on some human cancer cells

Shanling Liu

Abstract

Objective To investigate the feasibility of lymphokine activated killer(LAK) cells induced from cord blood used as adoptive cellular immunotherapy for human cancer.Methods Mononuclear cells were separated from umbilical blood(UBMC) by Ficoll,and stimulated by IL-2.The phenotypes(CD3/ CD4/ CD8) of the mononuclear cells were assayed by Flow cytometry,and their lethal activity on K562 or SKOV6 assayed by MTT colometric.The peripheral blood mononuclear cells were used as the control.Results The in vitro anti-tumor effect of LAK from cord blood was significant.Conclusion LAK from cord blood can be a source of adoptive cellular immunotherapy in the treatment of human cancer.

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Key concepts: Peripheral blood mononuclear cell, Ficoll, Lymphokine-activated killer cell, Immunology, Lymphokine, Umbilical cord, K562 cells, Cord blood