Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Controversy exists as to whether the interaction of a guanosine triphosphatase activating protein (GAP) with Ras proteins functions both to initiate and to terminate Ras-dependent signaling events or only to terminate them. GAP-C, a carboxyl-terminal fragment of GAP that is sufficient to stimulate GTPase activity, inhibited the stimulation of transcription produced by some oncoproteins (v-Src, polyoma middle T, wild-type Ras, and oncogenic Ras) but not that produced by v-Mos. Wild-type GAP did not affect transcription induced by oncogenic Ras but reversed the inhibitory effect of GAP-C on transcription induced by oncogenic Ras. These results indicate that GAP is a negative regulator of wild-type Ras and elicits a downstream signal by interacting with Ras-GTP (guanosine triphosphate).

Bibliography

Schweighoffer, F., Barlat, I., Chevallier-Multon, M.-C., & Tocque, B. (1992). Implication of GAP in Ras-Dependent Transactivation of a Polyoma Enhancer Sequence. Science, 256(5058), 825–827.

Authors 4
  1. Fabien Schweighoffer (first)
  2. Isabelle Barlat (additional)
  3. Marie-Christine Chevallier-Multon (additional)
  4. Bruno Tocque (additional)
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Dates
Type When
Created 3 years, 10 months ago (Oct. 10, 2021, 9:58 a.m.)
Deposited 1 year, 7 months ago (Jan. 12, 2024, 6:31 p.m.)
Indexed 1 year, 7 months ago (Jan. 15, 2024, 1:02 a.m.)
Issued 33 years, 3 months ago (May 8, 1992)
Published 33 years, 3 months ago (May 8, 1992)
Published Print 33 years, 3 months ago (May 8, 1992)
Funders 0

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@article{Schweighoffer_1992, title={Implication of GAP in Ras-Dependent Transactivation of a Polyoma Enhancer Sequence}, volume={256}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.256.5058.825}, DOI={10.1126/science.256.5058.825}, number={5058}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Schweighoffer, Fabien and Barlat, Isabelle and Chevallier-Multon, Marie-Christine and Tocque, Bruno}, year={1992}, month=may, pages={825–827} }