Document Detail


Regulation of Ras signaling by the cell cycle.
MedLine Citation:
PMID:  11790553     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
It is well known that upregulation of Ras activity can promote cell-cycle progression. Now recent studies indicate that a reciprocal relationship also exists; that is, the consequences of Ras signaling are dependent upon cell-cycle position. In quiescent cells stimulated with growth factors, one Ras effector, phosphatidylinositol-3-kinase, is activated twice as cells transition from G(0) into G(1) phase, and then later in G(1) phase. It is only during the later stages of G(1) phase that PI3K activity promotes entry into S-phase. In cycling cells, Ras activity is enhanced throughout the cell cycle, but is able to stimulate cyclin D1 elevation only during G(2) phase.
Authors:
Dennis Stacey; Andrius Kazlauskas
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Current opinion in genetics & development     Volume:  12     ISSN:  0959-437X     ISO Abbreviation:  Curr. Opin. Genet. Dev.     Publication Date:  2002 Feb 
Date Detail:
Created Date:  2002-01-15     Completed Date:  2002-04-11     Revised Date:  2011-06-06    
Medline Journal Info:
Nlm Unique ID:  9111375     Medline TA:  Curr Opin Genet Dev     Country:  England    
Other Details:
Languages:  eng     Pagination:  44-6     Citation Subset:  IM    
Affiliation:
Department of Molecular Biology, The Lerner Research Institute, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, Ohio 44195, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Cycle / physiology*
Cyclin D1 / metabolism
G0 Phase
G1 Phase
Gene Expression Regulation
Humans
Phosphatidylinositol 3-Kinases / physiology
Proto-Oncogene Proteins c-raf / physiology
S Phase
Signal Transduction / physiology*
ral Guanine Nucleotide Exchange Factor / physiology
ras Proteins / metabolism,  physiology*
Grant Support
ID/Acronym/Agency:
R01 EY012509-12/EY/NEI NIH HHS
Chemical
Reg. No./Substance:
0/ral Guanine Nucleotide Exchange Factor; 136601-57-5/Cyclin D1; EC 2.7.1.-/Phosphatidylinositol 3-Kinases; EC 2.7.11.1/Proto-Oncogene Proteins c-raf; EC 3.6.5.2/ras Proteins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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