TITLE

Bcl-X is the major pleiotropic anti-apoptotic gene activated by retroviral insertion mutagenesis in an IL-3 dependent bone marrow derived cell line

AUTHOR(S)
Thomas, Joëlle; Leverrier, Yann; Marvel, Jacqueline
PUB. DATE
March 1998
SOURCE
Oncogene;3/19/98, Vol. 16 Issue 11, p1399
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In order to identify genes capable of inhibiting apoptosis induced by different pathways, without inducing proliferation we have performed retroviral insertion mutagenesis in the IL-3 dependent bone marrow derived Baf-3 cell line. Out of 200 mutants obtained in three separate mutagenesis experiments, four mutants were resistant to multiple apoptosis inducing pathways (including growth factor starvation, staurosporine, etoposide and cyclosporin A) and did not proliferate in the absence of IL-3. These four mutants overexpress the bcl-X gene following a retroviral insertion 5′ of the translation initiation site. These results indicate that the bcl-X gene is a major pleiotropic anti-apoptotic gene in Baf-3 cells. They also suggest that the Bcl-2 family of genes might be the only one capable of inhibiting apoptosis induced by multiple pathways without inducing cell proliferation.
ACCESSION #
8917798

 

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