Title : Transcriptional and post-transcriptional regulation of c-myc, c-myb, and p53 during proliferation and differentiation of murine erythroleukemia cells treated with DFMO and DMSO.

Pub. Date : 1988 Oct

PMID : 2458948






7 Functional Relationships(s)
Download
Sentence
Compound Name
Protein Name
Organism
1 Transcriptional and post-transcriptional regulation of c-myc, c-myb, and p53 during proliferation and differentiation of murine erythroleukemia cells treated with DFMO and DMSO. Eflornithine transformation related protein 53, pseudogene Mus musculus
2 Transcriptional and post-transcriptional regulation of c-myc, c-myb, and p53 during proliferation and differentiation of murine erythroleukemia cells treated with DFMO and DMSO. Dimethyl Sulfoxide transformation related protein 53, pseudogene Mus musculus
3 In contrast, treatment of the cells with DFMO resulted in gradual cessation of cell replication and a decrease in transcription of c-myc, c-myb and p53. Eflornithine transformation related protein 53, pseudogene Mus musculus
4 When the MEL cells were induced to differentiate with dimethyl sulfoxide (DMSO), a transient reduction in c-myc and c-myb RNA levels occurred immediately prior to the G1 arrest with a concomitant decrease in transcriptional activity, while p53 mRNA production was elevated without an increase in transcription. Dimethyl Sulfoxide transformation related protein 53, pseudogene Mus musculus
5 When the MEL cells were induced to differentiate with dimethyl sulfoxide (DMSO), a transient reduction in c-myc and c-myb RNA levels occurred immediately prior to the G1 arrest with a concomitant decrease in transcriptional activity, while p53 mRNA production was elevated without an increase in transcription. Dimethyl Sulfoxide transformation related protein 53, pseudogene Mus musculus
6 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine transformation related protein 53, pseudogene Mus musculus
7 From these experiments we conclude that (i) c-myc, c-myb, and p53 are regulated independently at both the transcriptional and post-transcriptional levels, (ii) DFMO inhibits MEL cell proliferation and expression of several genes, including c-myc, c-myb and p53, and (iii) DFMO suppresses terminal differentiation but is unable to alter proto-oncogene changes associated with the early stages of differentiation. Eflornithine transformation related protein 53, pseudogene Mus musculus