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MTOR Signaling: RAG GTPases Transmit the Amino Acid Signal

Overview
Specialty Biochemistry
Date 2008 Oct 22
PMID 18929489
Citations 24
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Abstract

mTOR (mammalian target of rapamycin) is a highly conserved nutrient-responsive regulator of cell growth that is found in all eukaryotes. The mechanism by which amino acids signal to mTOR has remained one of the largest outstanding questions in the field. Two recent complimentary studies provide compelling evidence that the Rag family of small GTPases is both necessary and sufficient to transmit a positive signal from amino acids to mTOR.

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