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Optimized Analysis of In Vivo and In Vitro Hepatic Steatosis
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Nesfatin-1: an overview and future clinical application.

Hiroyuki Shimizu1, Sinsuke Oh-I, Shuichi Okada

  • 1Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan. hshimizu@showa.gunma-u.ac.jp

Endocrine Journal
|May 23, 2009
PubMed
Summary

Nesfatin-1, a protein involved in appetite control, effectively reduces food intake in various rat and mouse models. This peptide shows promise as a potential anti-obesity treatment.

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Area of Science:

  • Neuroscience
  • Endocrinology
  • Pharmacology

Background:

  • Nesfatin/nucleobindin 2 (NUCB2) is expressed in key appetite-regulating brain regions.
  • Its expression is sensitive to nutritional status, changing with starvation and refeeding.
  • Nesfatin-1 is a bioactive peptide derived from NUCB2.

Purpose of the Study:

  • To investigate the effects of nesfatin-1 and its fragment M30 on food intake.
  • To explore the potential of nesfatin-1 as an anti-obesity therapeutic agent.

Main Methods:

  • Administration of nesfatin-1 and M30 via intracerebroventricular, intraperitoneal, and intranasal routes in rodent models.
  • Assessment of food intake following administration.
  • Analysis of gene expression (proopiomelanocortin and cocaine- and amphetamine- related peptide) in specific brain nuclei.

Main Results:

  • Nesfatin-1 and M30 dose-dependently inhibited food intake in Wistar rats and mice.
  • M30 demonstrated efficacy in leptin-resistant, obese, diabetic, and high-fat diet-fed mice.
  • M30 increased the expression of specific appetite-related peptides in the nucleus of the solitary tract.

Conclusions:

  • Nesfatin-1 and its fragment M30 possess significant appetite-suppressing properties.
  • These findings support the potential development of nesfatin-1-based therapies for obesity treatment.