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PubMed | Indian Institute of Chemical Technology, National Institute of Nutrition Hyderabad and Osmania UniversityHyderabad
Type: | Journal: Frontiers in pharmacology | Year: 2016

The study was aimed at finding the effect of garlic and resveratrol on loss of -cells and diabetic complication in streptozotocin (STZ)-induced Type-I diabetic rats. Rats were injected with single dose STZ (50 mg/kg, i.p.) for induction of type 1 diabetes (Dia) and compared with control group. Rats from third (Dia+Gar), fourth (Dia+Resv), and fifth (Dia+Met) groups were fed raw garlic homogenate (250 mg/kg/day), resveratrol (25 mg/kg/day), and metformin (500 mg/kg/day) orally, respectively, for a period of 4 weeks. Diabetic group had decreased serum insulin and hydrogen sulfide levels along with increased blood glucose and glycated hemoglobin, triglyceride, uric acid, and nitric oxide levels. Significant (

Muthenna P.,National Institute of Nutrition Hyderabad | Raghu G.,National Institute of Nutrition Hyderabad | Akileshwari C.,National Institute of Nutrition Hyderabad | Sinha S.N.,National Institute of Nutrition Hyderabad | And 2 more authors.
IUBMB Life | Year: 2013

Accumulation of advanced glycation endproducts (AGE) from nonenzymatic glycation of proteins has been implicated in several diabetic complications including diabetic cataract. Previously, we have reported that extracts of dietary agents such as cinnamon have the potential to inhibit AGE formation. In this study, we have shown procyanidin-B2 as the active component of cinnamon that is involved in AGE inhibition using bioassay-guided fractionation of eye lens proteins under in vitro conditions. The data indicate that procyanidin-B2 enriched fraction scavenges dicarbonyls. Further, procyanidin-B2 fraction of cinnamon inhibited the formation of glycosylated hemoglobin in human blood under ex vivo conditions. We have also demonstrated the physiological significance of procyanidin-B2 fraction in terms of delay of diabetic cataract through inhibition of AGE in diabetic rats. These findings establish the antiglycating potential of procyanidin-B2 fraction of cinnamon which suggests a scope for controlling AGE-mediated diabetic complications by food sources that are rich in proanthocyanidins like procyanidin-B2. © 2013 IUBMB Life.

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