Piperine, a component of black pepper, inhibits adipogenesis by antagonizing PPARγ activity in 3T3-L1 cells

Ui Hyun Park, Hong Suk Jeong, Eun Young Jo, Taesun Park, Seung Kew Yoon, Eun Joo Kim, Ji Cheon Jeong, Soo Jong Um

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

This study investigated the antiadipogenic activity of black pepper extract and its constituent piperine in 3T3-L1 preadipocytes as well as the underlying molecular mechanisms. Both black pepper extract and piperine, without affecting cytotoxicity, strongly inhibited the adipocyte differentiation of 3T3-L1 cells. The mRNA expression of the master adipogenic transcription factors, PPARγ, SREBP-1c, and C/EBPβ, was markedly decreased. Intriguingly, mRNA levels of PPARγ target genes were also down-regulated. Moreover, a luciferase reporter assay indicated that pipierine significantly represses the rosiglitazone-induced PPARγ transcriptional activity. Finally, GST-pull down assays demonstrated that piperine disrupts the rosiglitazone-dependent interaction between PPARγ and coactivator CBP. Genome-wide analysis using microarray further supports the role of piperine in regulating genes associated with lipid metabolism. Overall, these results suggest that piperine, a major component of black pepper, attenuates fat cell differentiation by down-regulating PPARγ activity as well as suppressing PPARγ expression, thus leading to potential treatment for obesity-related diseases.

Original languageEnglish
Pages (from-to)3853-3860
Number of pages8
JournalJournal of Agricultural and Food Chemistry
Volume60
Issue number15
DOIs
Publication statusPublished - 2012 Apr 18

Fingerprint

piperine
Piper nigrum
3T3-L1 Cells
black pepper
Adipogenesis
Peroxisome Proliferator-Activated Receptors
rosiglitazone
adipocytes
obesity-related diseases
Genes
extracts
assays
cells
luciferase
Adipocytes
lipid metabolism
cell differentiation
cytotoxicity
Assays
genes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

Park, Ui Hyun ; Jeong, Hong Suk ; Jo, Eun Young ; Park, Taesun ; Yoon, Seung Kew ; Kim, Eun Joo ; Jeong, Ji Cheon ; Um, Soo Jong. / Piperine, a component of black pepper, inhibits adipogenesis by antagonizing PPARγ activity in 3T3-L1 cells. In: Journal of Agricultural and Food Chemistry. 2012 ; Vol. 60, No. 15. pp. 3853-3860.
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Piperine, a component of black pepper, inhibits adipogenesis by antagonizing PPARγ activity in 3T3-L1 cells. / Park, Ui Hyun; Jeong, Hong Suk; Jo, Eun Young; Park, Taesun; Yoon, Seung Kew; Kim, Eun Joo; Jeong, Ji Cheon; Um, Soo Jong.

In: Journal of Agricultural and Food Chemistry, Vol. 60, No. 15, 18.04.2012, p. 3853-3860.

Research output: Contribution to journalArticle

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