Cell-cycle regulated expression of Rap1 in regenerating liver

Jennifer L. Cruise; Michael P. Rafferty; Michelle M. Riehle

doi:10.1006/bbrc.1996.6003

Cell-cycle regulated expression of Rap1 in regenerating liver

Jennifer L. Cruise, Michael P. Rafferty, Michelle M. Riehle

Microbiology

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1 Scopus citations

Abstract

Rap1 proteins are capable of competing with Ras p21 for binding to effectors, and of antagonizing some Ras-induced effects, but their participation in normal growth regulation has not been established. The level of Rap1 protein and the expression of the rap1A gene were examined by immunoblotting and Northern analysis during the regenerative growth response in rat liver following partial hepatectomy. Protein and mRNA were significantly down-regulated prior to and during the onset of DNA synthesis. The timing of this effect is consistent with a model in which expression of Rap1 is turned off or down to allow the initiation of proliferation.

Original language	English (US)
Pages (from-to)	578-581
Number of pages	4
Journal	Biochemical and Biophysical Research Communications
Volume	230
Issue number	3
DOIs	https://doi.org/10.1006/bbrc.1996.6003
State	Published - Jan 23 1997

Bibliographical note

Funding Information:
The authors wish to thank Nikos Katopodis and Danielle Perry for technical assistance and Gary Bokoch and Larry Quilliam for Rap1 antiserum and cDNA. This work was supported by a National Science Foundation Presidential Young Investigator Award.

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Cell-cycle regulated expression of Rap1 in regenerating liver

Abstract

Bibliographical note

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