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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Loss of bombesin-induced feeding suppression in gastrin-releasing peptide receptor-deficient mice.

The gastrin-releasing peptide receptor (GRP-R) is one of three members of the mammalian bombesin subfamily of seven-transmembrane G protein-coupled receptors that mediate diverse biological responses including secretion, neuromodulation, chemotaxis, and growth. The X chromosome-linked GRP-R gene is expressed widely during embryonic development and predominantly in gastrointestinal, neuronal, and neuroendocrine systems in the adult. Surprisingly, gene-targeted mice lacking a functional GRP-R gene develop and reproduce normally and show no gross phenotypic abnormalities. However, peripheral administration of bombesin at dosages up to 32 nmol/kg to such mice had no effect on the suppression of glucose intake, whereas normal mice showed a dose-dependent suppression of glucose intake. These data suggest that selective agonists for the GRP-R may be useful in inducing satiety.[1]

References

  1. Loss of bombesin-induced feeding suppression in gastrin-releasing peptide receptor-deficient mice. Hampton, L.L., Ladenheim, E.E., Akeson, M., Way, J.M., Weber, H.C., Sutliff, V.E., Jensen, R.T., Wine, L.J., Arnheiter, H., Battey, J.F. Proc. Natl. Acad. Sci. U.S.A. (1998) [Pubmed]
 
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