NPY Y2 and Y4 receptors selective ligands: promising anti-obesity drugs?

M M Kamiji1, A Inui

  • 1Department of Gastroenterology, Faculty of Medicine, University of Sao Paulo, Ribeirão Preto Campus, Ribeirão Preto, Brazil.

Insights

Neuropeptide Y (NPY) receptor antagonists, specifically targeting Y(2) and Y(4), show promise for treating obesity. These antagonists may offer a new therapeutic avenue for managing diet-induced obesity and appetite control.

Area of Science:

  • Neuroendocrinology
  • Pharmacology
  • Obesity Research

Background:

  • Neuropeptide Y (NPY) is a key orexigenic peptide in hypothalamic arcuate neurons, regulating ingestive behavior.
  • Mammalian NPY signaling involves at least five receptors: Y(1), Y(2), Y(4), Y(5), and Y(6).
  • Obesity is a global health crisis with increasing prevalence and limited effective pharmacological treatments.

Purpose of the Study:

  • To review the therapeutic potential of targeting Neuropeptide Y receptors for obesity treatment.
  • To highlight the specific roles of Y(2) and Y(4) receptors in combating diet-induced obesity.

Main Methods:

  • Literature review of existing research on Neuropeptide Y receptors and their role in appetite regulation.
  • Analysis of evidence supporting the use of Y(2) and Y(4) receptor antagonists in preclinical models of obesity.

Main Results:

  • Recent findings suggest Y(2) and Y(4) receptors play a protective role against diet-induced obesity.
  • Ligands targeting these receptors demonstrate potential for anti-obesity interventions.

Conclusions:

  • Y(2) and Y(4) receptor antagonists represent a promising therapeutic strategy for human obesity.
  • Targeting these specific NPY receptors could offer a novel approach to appetite suppression and weight management.

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