Abstract
The liver regenerates upon partial hepatectomy (PH) as terminally differentiated hepatocytes undergo a tremendous proliferative process. CREM gene expression is powerfully induced during liver regeneration. We show that cell proliferation is significantly reduced upon PH in CREM−/− mice. There is a reduction in DNA synthesis, in the number of mitosis and of phosphorylated histone H3-positive cells. The post-PH proliferation peak is delayed by 10 hr, indicating an altered hepatocyte cell cycle. Expression of cyclins A, B, D1, E, and cdc2, of c-fos and tyrosine aminotransferase is deregulated. CREM mutation results in delayed S-phase entry, impairing the synchronization of proliferation.
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Dates
Type | When |
---|---|
Created | 17 years, 6 months ago (Feb. 20, 2008, 5:15 p.m.) |
Deposited | 3 years, 9 months ago (Nov. 14, 2021, 10:25 p.m.) |
Indexed | 49 minutes ago (Sept. 2, 2025, 8:17 p.m.) |
Issued | 26 years, 9 months ago (Dec. 1, 1998) |
Published | 26 years, 9 months ago (Dec. 1, 1998) |
Published Online | 26 years, 9 months ago (Dec. 1, 1998) |
Published Print | 26 years, 9 months ago (Dec. 1, 1998) |
@article{Servillo_1998, title={Transcription factor CREM coordinates the timing of hepatocyte proliferation in the regenerating liver}, volume={12}, ISSN={1549-5477}, url={http://dx.doi.org/10.1101/gad.12.23.3639}, DOI={10.1101/gad.12.23.3639}, number={23}, journal={Genes & Development}, publisher={Cold Spring Harbor Laboratory}, author={Servillo, Giuseppe and Della Fazia, Maria Agnese and Sassone-Corsi, Paolo}, year={1998}, month=dec, pages={3639–3643} }