We have studied the expression of seven cell cycle-dependent genes in phytohemagglutinin (PHA)-stimulated peripheral blood mononuclear cells, in macrophage-depleted cultures and in macrophage-depleted cultures plus Interleukin-2 (IL-2). The expression of all seven genes is increased in PHA stimulated peripheral cells. Only two (2F1 and the IL-2 receptor) are increased in PHA-stimulated macrophage depleted cultures. Addition of IL-2 to these cultures increased the RNA levels of four genes (KC-1, c-myc, beta-actin and IL-2R), but has no effect on three others (4F1, 2F1, and JE-3). The results indicate that the expression of these cell cycle genes is regulated by different components of the mitogenic stimulus.
Effect of interleukin-2 on the expression of cell cycle genes in human T lymphocytes / Kaczmarek, L; Calabretta, Bruno; Baserga, R.. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - STAMPA. - 133:(1985), pp. 410-416.
Effect of interleukin-2 on the expression of cell cycle genes in human T lymphocytes.
CALABRETTA, Bruno;
1985
Abstract
We have studied the expression of seven cell cycle-dependent genes in phytohemagglutinin (PHA)-stimulated peripheral blood mononuclear cells, in macrophage-depleted cultures and in macrophage-depleted cultures plus Interleukin-2 (IL-2). The expression of all seven genes is increased in PHA stimulated peripheral cells. Only two (2F1 and the IL-2 receptor) are increased in PHA-stimulated macrophage depleted cultures. Addition of IL-2 to these cultures increased the RNA levels of four genes (KC-1, c-myc, beta-actin and IL-2R), but has no effect on three others (4F1, 2F1, and JE-3). The results indicate that the expression of these cell cycle genes is regulated by different components of the mitogenic stimulus.
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