Title : Disabled-2 mediates c-Fos suppression and the cell growth regulatory activity of retinoic acid in embryonic carcinoma cells.

Pub. Date : 2001 Dec 14

PMID : 11577091






3 Functional Relationships(s)
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1 We have recently shown that MAPK activation and c-Fos expression are uncoupled in F9 cells upon retinoic acid-induced endodermal differentiation. Tretinoin Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens
2 Transfection and expression of Disabled-2 in PA-1 cells mimic the effects of retinoic acid on growth suppression; the Disabled-2-expressing cells reach a much lower saturation density, and serum-stimulated c-Fos expression is greatly suppressed and disassociated from MAPK activation. Tretinoin Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens
3 Thus, Dab2 is one of the principal genes induced by retinoic acid involved in cell growth suppression, and expression of Dab2 alone is sufficient for uncoupling of MAPK activation and c-Fos expression. Tretinoin Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens