Title : Arsenite suppression of involucrin transcription through AP1 promoter sites in cultured human keratinocytes.

Pub. Date : 2010 Mar 15

PMID : 20006635






4 Functional Relationships(s)
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1 Arsenite suppression of involucrin transcription through AP1 promoter sites in cultured human keratinocytes. arsenite Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens
2 While preserving keratinocyte proliferative ability, arsenite suppresses cellular differentiation markers by preventing utilization of AP1 transcriptional response elements. arsenite Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens
3 In present experiments, arsenite had a dramatic effect in electrophoretic mobility supershift analysis of proteins binding to an involucrin promoter AP1 response element. arsenite Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens
4 Immunoblotting of cell extracts showed that arsenite treatment prevented the loss of Fra1 and the increase in c-Fos proteins that occurred after confluence in untreated cultures. arsenite Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens