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Obestatin, a Peptide Encoded by the Ghrelin Gene, Opposes Ghrelin's Effects on Food Intake

Zhang, Jian V., Ren, Pei-Gen, Avsian-Kretchmer, Orna, Luo, Ching-Wei, Rauch, Rami, Klein, Cynthia, Hsueh, Aaron J. W.·2005·Science

Abstract

Ghrelin, a circulating appetite-inducing hormone, is derived from a prohormone by posttranslational processing. On the basis of the bioinformatic prediction that another peptide also derived from proghrelin exists, we isolated a hormone from rat stomach and named it obestatin—a contraction of obese, from the Latin “obedere,” meaning to devour, and “statin,” denoting suppression. Contrary to the appetite-stimulating effects of ghrelin, treatment of rats with obestatin suppressed food intake, inhibited jejunal contraction, and decreased body-weight gain. Obestatin bound to the orphan G protein–coupled receptor GPR39. Thus, two peptide hormones with opposing action in weight regulation are derived from the same ghrelin gene. After differential modification, these hormones activate distinct receptors.

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Research works printed but not linked: 19

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Metadata

Authors
Zhang, J. V., Ren, P.-G., Avsian-Kretchmer, O., Luo, C.-W., Rauch, R., Klein, C., & Hsueh, A. J. W.
Venue
Science
Published
2005-11-11
Volume
310
Issue
5750
Pages
996-999
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2037328290
Cited by
1,165
References
7
FWCI
33.25
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Obestatin, a Peptide Encoded by the Ghrelin Gene, Opposes Ghrelin's Effects on Food Intake. https://app.cochat.ai/papers/10.1126/science.1117255
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Zhang, J. V., Ren, P.-G., Avsian-Kretchmer, O., Luo, C.-W., Rauch, R., Klein, C., & Hsueh, A. J. W. (2005). Obestatin, a Peptide Encoded by the Ghrelin Gene, Opposes Ghrelin's Effects on Food Intake. Science. https://doi.org/10.1126/science.1117255

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