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What does A-LAK stand for?

A-LAK stands for and plastic-adherent lymphokine-activated killer

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After removal of the non-adherent lymphoid cells, plastic adherent lymphokine-activated killer (LAK) cells could be efficiently expanded in the presence of IL-2. Plastic adherent-derived A-LAK cells were characterized by high rates of proliferation and their cytotoxic activity was more than 10 fold higher than LAK cells generated in the bulk (unfractionated) spleen cell cultures.
During the incubation of murine spleen, lymph node, or bone marrow cells with IL-2 (1000 U/ml) a small percentage of cells became adherent to the surface of plastic tissue culture flasks. After removal of the non-adherent lymphoid cells, plastic adherent lymphokine-activated killer (LAK) cells could be efficiently expanded in the presence of IL-2. Plastic adherent-derived A-LAK cells were characterized by high rates of proliferation and their cytotoxic activity was more than 10 fold higher than LAK cells generated in the bulk (unfractionated) spleen cell cultures.
This study examined the effects of dietary (2. 0 ppm for 8 wk) and in vitro (1 x 10(-7)M) supplementation with selenium (Se, as sodium selenite) on the activity of spleen natural killer (NK) cells and plastic-adherent lymphokine-activated killer (A-LAK) cells from C57B1/6J male mice. Dietary supplementation with Se resulted in a significant increase in the lytic activity of activated NK cells, and cells from these highly lytic effector cell populations expressed significantly higher numbers of intermediate affinity interleukin-2 receptors (II-2R)/cell.
After removal of the non-adherent lymphoid cells, plastic adherent lymphokine-activated killer (LAK) cells could be efficiently expanded in the presence of IL-2. Plastic adherent-derived A-LAK cells were characterized by high rates of proliferation and their cytotoxic activity was more than 10 fold higher than LAK cells generated in the bulk (unfractionated) spleen cell cultures.
At present, the clinical application of plastic-adherent-lymphokine-activated killer (A-LAK) cells shows limited success in the immunotherapy of patients with advanced cancer because of a low responder rate, severe side effects and failures in yielding sufficient numbers of cells for adoptive transfers. Since interleukin-7 (IL-7) is able to induce LAK activity independently of IL-2, we investigated the ability of IL-7 to improve the yield and the properties of A-LAK cells.