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  • Title: Interleukin-3-associated ganglioside GD1a is induced independently of normal interleukin-3 receptor in murine myelogenous leukaemia NFS60 cells transfected with the interleukin-3 gene.
    Author: Nakamura M, Kirito K, Tsunoda A, Hara K, Furukawa Y, Saito M.
    Journal: Glycoconj J; 1996 Apr; 13(2):255-61. PubMed ID: 8737250.
    Abstract:
    The mechanism of interleukin-3 (IL-3) independent cell growth and of IL-3-associated ganglioside expression was analysed using the IL-3 dependent murine myelogenous leukaemia cell line NFS60-I7 and IL-3 gene-transfected sublines. The transfected cell lines showed autonomous cell growth, tumorigenicity, and IL-3 associated ganglioside GD1a expression in spite of their IL-3 production. While the parental NFS60-I7 cells did not express significant amounts of GD1a, exogenous recombinant IL-3 (rIL-3) was demonstrated to induce IL-3-associated ganglioside GD1a expression in NFS60-I7 cells. Furthermore, the growth potential of the transfected cells was not blocked by anti-IL-3 antibody and expression of GD1a was not affected by anti-IL-3 antibody. These findings suggest that IL-3 expressed intracellularly by gene transfection might act independently of the normal IL-3 receptor on autonomous cell growth and on IL-3-associated GD1a expression in murine myelogenous leukaemia NFS60 cells.
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