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  • Title: c-myc gene expression and interleukin-2 receptor levels in cloned human CD2+,CD3+ and CD2+,CD3- lymphocytes.
    Author: Gravekamp C, van den Bulck LP, Vijg J, van de Griend RJ, Bolhuis RL.
    Journal: Nat Immun Cell Growth Regul; 1987; 6(1):28-36. PubMed ID: 3106791.
    Abstract:
    The levels of c-myc mRNA and interleukin-2 receptors (IL-2 Rec) were studied in human peripheral blood lymphocytes (PBL); mature CD2+,CD3+ T cell clones and CD2+,CD3- natural killer (NK) cell clones, and CD2+,CD3+ and CD2-,CD3- T lymphoma cell lines. A transient induction of the expression of c-myc and IL-2 Rec was observed in PBL after activation with phytohemagglutinin (PHA). Expression of c-myc and IL-2 Rec was also found in the CD2+,CD3+ and CD2+,CD3- clones. The CD2+,CD3+ showed higher levels of c-myc mRNA and IL-2 Rec than the CD2+,CD3- clones. In three T lymphoma cell lines constitutively high levels of c-myc mRNA but no IL-2 Rec were found. Only in JURKAT (CD2+,CD3+), c-myc mRNA levels could be further enhanced by PHA. These results suggest that in the presence of PHA, expression of c-myc and IL-2 Rec is induced via the CD3 receptor, and in the absence of PHA and/or the CD3 receptor alternative routes of induction are involved.
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