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Related Experiment Videos

Synthetic tripeptides with anorexogenic effect.

T Szirtes, B Knoll, L Kisfaludy

    Polish Journal of Pharmacology and Pharmacy
    |November 1, 1982
    PubMed
    Summary

    Synthetic tripeptides targeting appetite regulation showed significant anorexogenic effects in rats when administered intracerebroventricularly. These compounds, related to thyrotropin-releasing hormone (TRH), offer potential for appetite control strategies.

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    Area of Science:

    • Neuroendocrinology
    • Pharmacology
    • Appetite Regulation

    Background:

    • Thyrotropin-releasing hormone (TRH) and Glp-His-Gly-OH are endogenous peptides.
    • These peptides are structurally related to synthetic analogues investigated for anorexogenic effects.

    Purpose of the Study:

    • To investigate the anorexogenic (appetite-reducing) effects of synthetic tripeptides.
    • To compare the efficacy of synthetic tripeptides with endogenous peptides like TRH and Glp-His-Gly-OH.

    Main Methods:

    • Thirty-two synthetic tripeptides were synthesized and administered to rats.
    • Administration routes included intracerebroventricular and intravenous.
    • Food intake was measured in rats deprived of food for 96 hours.

    Main Results:

    • Intracerebroventricular administration of TRH and Glp-His-Gly-OH showed no anorexogenic effect in food-deprived rats.
    • Several synthetic tripeptide analogues demonstrated significant food intake reduction.
    • Intravenous administration of these tripeptides was ineffective in reducing food intake.

    Conclusions:

    • Certain synthetic tripeptides possess anorexogenic properties when administered centrally.
    • These findings suggest potential therapeutic applications for synthetic tripeptides in appetite control.
    • Central administration is crucial for the observed anorexogenic effects of these tripeptides.

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