Issue 7, 2014

A novel PPARgamma agonist monascin's potential application in diabetes prevention

Abstract

Edible fungi of the Monascus species have been used as traditional Chinese medicine in eastern Asia for several centuries. Monascus-fermented products possess a number of functional secondary metabolites, including the anti-inflammatory pigments monascin and ankaflavin. Monascin has been shown to prevent or ameliorate several conditions, including hypercholesterolemia, hyperlipidemia, diabetes, and obesity. Recently, monascin has been shown to improve hyperglycemia, attenuate oxidative stress, inhibit insulin resistance, and suppress inflammatory cytokine production. In our recent study, we have found that monascin is a peroxisome proliferator-activated receptor-gamma (PPARgamma) agonist. The PPARgamma agonist activity had been investigated and its exerted benefits are inhibition of inflammation in methylglyoxal (MG)-treated rats, prevention of pancreas impairment causing advanced glycation endproducts (AGEs), promotion of insulin expression in vivo and in vitro, and attenuated carboxymethyllysine (CML)-induced hepatic stellate cell (HSC) activation in the past several years. Moreover, our studies also demonstrated that monascin also activated nuclear factor-erythroid 2-related factor 2 (Nrf2) in pancreatic RIN-m5F cell line thereby invading methylglyoxal induced pancreas dysfunction. In this review, we focus on the chemo-preventive properties of monascin against metabolic syndrome through PPARgamma and Nrf2 pathways.

Graphical abstract: A novel PPARgamma agonist monascin's potential application in diabetes prevention

Article information

Article type
Review Article
Submitted
08 Nov 2013
Accepted
16 Mar 2014
First published
17 Mar 2014

Food Funct., 2014,5, 1334-1340

Author version available

A novel PPARgamma agonist monascin's potential application in diabetes prevention

W. Hsu and T. Pan, Food Funct., 2014, 5, 1334 DOI: 10.1039/C3FO60575B

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