Cited by 468Protein Kinase Regulation and GTPase SignalingDevelopmental Biology and Gene RegulationAxon Guidance and Neuronal Signaling

The DOI matches its Crossref record; 61 of the 62 references it cites were found in a registry or an index.

Sprouty, an Intracellular Inhibitor of Ras Signaling

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Abstract

Sprouty was identified in a genetic screen as an inhibitor of Drosophila EGF receptor signaling. The Egfr triggers cell recruitment in the eye, and sprouty- eyes have excess photoreceptors, cone cells, and pigment cells. Sprouty's function is, however, more widespread. We show that it also interacts genetically with the receptor tyrosine kinases Torso and Sevenless, and it was first discovered through its effect on FGF receptor signaling. In contrast to an earlier proposal that Sprouty is extracellular, we show by biochemical analysis that Sprouty is an intracellular protein, associated with the inner surface of the plasma membrane. Sprouty binds to two intracellular components of the Ras pathway, Drk and Gap1. Our results indicate that Sprouty is a widespread inhibitor of Ras pathway signal transduction.

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Metadata

Authors
Casci, T., Vinós, J., & Freeman, M.
Affiliations
MRC Laboratory of Molecular Biology (GB)
Corresponding author
Freeman, Matthew
Venue
Cell
Publisher
Elsevier BV
Published
1999-03
Volume
96
Issue
5
Pages
655-665
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2082773871
Cited by
467
References
62
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 8 · 2022: 8 · 2021: 13 · 2020: 13 · 2019: 4 · 2018: 10 · 2017: 11 · 2016: 19 · 2015: 16 · 2014: 12 · 2013: 15 · 2012: 17
FWCI
10.93
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
Sprouty, Ras signaling, EGF receptor signaling, Drosophila, Torso receptor, FGF receptor signaling, DRK, GAP1, receptor tyrosine kinase, pigment cells, plasma membrane
MeSH terms
Animals, Cells, Cultured, Cysteine, Depression, Chemical, Drosophila melanogaster, Eye, Eye Abnormalities, Eye Proteins, Membrane Glycoproteins, Membrane Proteins, Morphogenesis, Proteins, Signal Transduction, ras Proteins, Insect Proteins, ras GTPase-Activating Proteins, Receptor Protein-Tyrosine Kinases, Drosophila Proteins, Macromolecular Substances, ErbB Receptors

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