Abstract Title:

Cinnamaldehyde potentially attenuates gestational hyperglycemia in rats through modulation of PPARγ, proinflammatory cytokines and oxidative stress.

Abstract Source:

Biomed Pharmacother. 2017 Jan 13 ;88:52-60. Epub 2017 Jan 13. PMID: 28092845

Abstract Author(s):

Ahmed A Hosni, A Adel Abdel-Moneim, Eman S Abdel-Reheim, Samah M Mohamed, Hamdi Helmy

Article Affiliation:

Ahmed A Hosni


Cinnamon has a history of use for medicinal purposes and its major benefits have been linked to cinnamaldehyde. The present study aimed to investigate the hypoglycemic action of cinnamaldehyde against fatty-sucrosed diet/streptozotocin (FSD/STZ)-rat model of gestational diabetes. Female albino rats were divided into three groups. Group I fed with normal diet (ND) while group II and III were fed with FSD for eight weeks (five weeks pre-gestational and three weeks gestational). Rats of group III were administered with a daily oral dose of 20mg/kg cinnamaldehyde one week before mating onward. At the 7th day of gestation, FSD-fed rats were injected intraperitoneally with STZ (25mg/kg b.wt.) to induce gestational diabetes. Pre-mating treatment of cinnamaldehyde controls hyperphagia and glucose intolerance during the gestational period than in diabetic rats. It also reduced levels of fructosamine, total cholesterols, triglycerides, leptin, tumor necrosis factor-alpha (TNF-α), malondialdehyde (MDA) and nitric oxide (NO), while it significantly increased levels of high-density lipoprotein (HDL)-cholesterol, adiponectin, liver glycogen, reduced glutathione (GSH) and catalase activity at term pregnancy. In addition, cinnamaldehyde administration up-regulated the mRNA expression of peroxisome proliferated activated receptor-gamma (PPARγ) and also ameliorated the number of viable fetuses, implantation loss sites, fetal glucose and insulin levels. In conclusion, cinnamaldehyde has safe hypoglycemic action on gestational diabetes by potentiating insulin secretion andsensitivity through activating the antioxidant defense system, suppressing pro-inflammatory cytokines production, upregulating PPARγ gene expression and alleviating the reproductive performance.

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