Title : Altered gene expression in human leukemia K562 cells selected for resistance to etoposide.

Pub. Date : 1993 Dec 3

PMID : 8267650






2 Functional Relationships(s)
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1 Basal levels of c-myc were comparable for all three cell lines, but levels of c-jun and c-fos were elevated 2- to 4-fold in VP-16-resistant cell lines. Etoposide Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens
2 Exposure of both sensitive and resistant cells to 200 microM VP-16 for 5 hr resulted in no further changes in topoisomerase II mRNA levels but caused an additional 2- to 3-fold elevation in the level of c-jun mRNA, indicating that altered basal levels of this gene were not due to deregulation of this gene. Etoposide Jun proto-oncogene, AP-1 transcription factor subunit Homo sapiens