Resveratrol, purified from the stem of Vitis coignetiae Pulliat, inhibits food intake in C57BL/6J Mice

Su J. Kim, Yong Hwa Lee, Man Deuk Han, Woongchon Mar, Won-Ki Kim, Kung W. Nam

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Neuropeptide Y (NPY) and agouti-related protein (AgRP) have powerful stimulatory effects on food intake, which suggests that the downregulation of brain NPY or AgRP may help reduce obesity and diabetes by inhibiting food intake. To search for active compounds that inhibit NPY and AgRP expression, we made two luciferase reporter assay systems consisting of NPY and AgRP promoter-driven luciferase genes, together with the puromycin resistance gene, in a plasmid vector. Each plasmid was permanently transfected into N29-4 neuronal cells. Using the systems, resveratrol was purified from the stem of Vitis coignetiae Pulliat by activityguided fractionation. Resveratrol downregulated NPY and AgRP promoter-driven luciferase activity in a dose-dependent manner. The inhibitory concentrations (IC50, 50% inhibition) of resveratrol against pNPY-luc and pAgRP-luc activities were 8.9 μM and 8.0 μM, respectively. Furthermore, one-time intraperitoneal injection of resveratrol (100 mg/kg) suppressed 20.0% and 17.2% of food intake during 24 and 48 h, respectively. These results indicated that resveratrol inhibited food intake, which may be related to the downregulation of NPY and AgRP gene expression.

Original languageEnglish
Pages (from-to)775-780
Number of pages6
JournalArchives of Pharmacal Research
Volume33
Issue number5
DOIs
Publication statusPublished - 2010 May 1

Fingerprint

Agouti-Related Protein
Neuropeptide Y
Vitis
Inbred C57BL Mouse
Eating
Luciferases
Down-Regulation
Inhibitory Concentration 50
Plasmids
Genes
Puromycin
Fractionation
Medical problems
Intraperitoneal Injections
Gene expression
resveratrol
Assays
Brain
Obesity
Gene Expression

Keywords

  • AgRP
  • NPY
  • Orexigenic
  • Resveratrol

ASJC Scopus subject areas

  • Molecular Medicine
  • Organic Chemistry
  • Drug Discovery

Cite this

Resveratrol, purified from the stem of Vitis coignetiae Pulliat, inhibits food intake in C57BL/6J Mice. / Kim, Su J.; Lee, Yong Hwa; Han, Man Deuk; Mar, Woongchon; Kim, Won-Ki; Nam, Kung W.

In: Archives of Pharmacal Research, Vol. 33, No. 5, 01.05.2010, p. 775-780.

Research output: Contribution to journalArticle

Kim, Su J. ; Lee, Yong Hwa ; Han, Man Deuk ; Mar, Woongchon ; Kim, Won-Ki ; Nam, Kung W. / Resveratrol, purified from the stem of Vitis coignetiae Pulliat, inhibits food intake in C57BL/6J Mice. In: Archives of Pharmacal Research. 2010 ; Vol. 33, No. 5. pp. 775-780.
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