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Direct activation of GTP‐binding regulatory proteins (G‐proteins) by substance P and compound 48/80
Abstract
The neuropeptide substance P and the polyamine compound , both known to activate mast cell secretory processes, increased the rate of GTP γ S binding to G‐proteins purified from calf brain (G o/G i mixture). The GTPase activity of G‐proteins was also increased by substance P and compound in a dose‐dependent and Mg 2+‐dependent way. These effects were similar to those of the wasp venom peptide rnastoparan, another histamine releaser of rat peritoneal and human skin mast cells. This suggests that the secretory property of compound and substance P is not due to a receptor‐mediated process but, like mastoparan, results from a direct activation of G‐proteins.
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Cited by
G Protein-Coupled Receptor Allosterism and Complexing
Christopoulos, A., & Kenakin, T. (2002) · Pharmacological Reviews · doi:10.1124/pr.54.2.323 · Cited by 931
Neuronal Control of Skin Function: The Skin as a Neuroimmunoendocrine Organ
Roosterman, D., Goerge, T., Schneider, S. W., Bunnett, N. W., & Steinhoff, M. (2006) · Physiological Reviews · doi:10.1152/physrev.00026.2005 · Cited by 665
Mast cells differentially express and release active high molecular weight neurotrophins
Skaper, S. D., Pollock, M., & Facci, L. (2001) · Molecular Brain Research · doi:10.1016/s0169-328x(01)00314-x · Cited by 99
Bradesi, S., Eutamene, H., Fioramonti, J., & Bueno, L. (2002) · Gut · doi:10.1136/gut.50.3.349 · Cited by 34
Metadata
- Authors
- Mousli, M., Bronner, C., Landry, Y., Bockaert, J., & Rouot, B.
- Venue
- FEBS Letters
- Publisher
- Wiley
- Published
- 1990-01
- Volume
- 259
- Issue
- 2
- Pages
- 260-262
- ISSN
- 0014-5793 (ISSN-L)
- 1873-3468
- OpenAlex
- W2045917231
- Cited by
- 299
- References
- 0
- FWCI
- 9.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mousli, M., Bronner, C., Landry, Y., Bockaert, J., & Rouot, B. (1990). Direct activation of GTP‐binding regulatory proteins (G‐proteins) by substance P and compound 48/80. FEBS Letters. https://doi.org/10.1016/0014-5793(90)80023-c
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