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101.
E Lotzová C A Savary R B Herberman K B McCredie M J Keating E J Freireich 《Natural immunity and cell growth regulation》1987,6(5):219-223
We have shown that short-term incubation (45 min) of peripheral blood lymphocytes of normal donors with OKT3 monoclonal antibody (MoAb), directed against T-cell-associated antigen CD3, resulted in an acquisition of lytic activity against fresh leukemic cells. Induction of such antileukemia activity was specific for OKT3, since Leu-1 MoAb (directed against another T cell surface molecule, CD5) did not induce a lytic effect. The OKT3-generated antileukemia effect was displayed against various types of leukemia including chronic myelogenous leukemia and acute myelogenous leukemia of various histological subtypes (M1, M2, M5). We furthermore demonstrated that OKT3 MoAb substantially enhanced leukemia killing by interleukin-2 (IL-2)-activated killer cells obtained from peripheral blood of patients with leukemia. Of most importance was the observation that the combined treatment of effector cells with IL-2 and OKT3 MoAb resulted in the highest levels of lysis of both autologous and allogeneic fresh leukemic cells that have been observed in leukemic patients to date. Of importance was to note that OKT3 treatment was effective in induction of cytotoxic activity also in patients whose effector cells were unresponsive to stimulation with IL-2 alone. All of these observations suggest that IL-2-activated and OKT3-MoAb-treated effector cells may represent the most aggressive population of antileukemia-directed killer cells and may play a significant role in the treatment of human leukemia. 相似文献
102.
S Manouvrier-Hanu D Turck F Gottrand J B Savary G A Loeuille M M Deminatti J P Farriaux 《Annales de génétique》1988,31(4):250-253
We report on a girl with ring chromosome 9, and review the 9 other cases of the literature. The main signs of this de novo chromosomal anomaly are: severe microcephaly, growth and psychomotor retardations, and heart malformations. Infectious complications occurs often. We found a decreased level of leucocyte interferon. 相似文献