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Abstract Title:

Effects of Cordyceps sinensis on the Expressions of NF-κB and TGF-β1 in Myocardium of Diabetic Rats.

Abstract Source:

Evid Based Complement Alternat Med. 2015 ;2015:369631. Epub 2015 Dec 2. PMID: 26697096

Abstract Author(s):

You-You Gu, Huan Wang, Su Wang, Hua Gao, Ming-Cai Qiu

Article Affiliation:

You-You Gu


Objective. To investigate the effect of Cordyceps sinensis (CS) on the expressions of NF-κB and TGF-β1 in myocardium of streptozotocin-induced diabetic rats. Methods. A total of 53 healthy male SD rats, mice age of 8 weeks and weight of 220 ± 20 g, were randomly divided into five groups by randomized block design: normal control group (n = 10), diabetic group (n = 10), low dose ofCS group (n = 12; CS 0.6 g·kg(-1)·d(-1)), middle dose of CS group (n = 11; CS 2.5 g·kg(-1)·d(-1)), and high dose of CS group (n = 10; CS 5 g·kg(-1)·d(-1)). The diabetic models with tail intravenous injection by streptozotocin (45 mg·kg(-1)). Diabetic rats were sacrificed after 8 weeks; the expressions of NF-κB and TGF-β1 proteins and mRNA in the cardiac muscle were determined by using immunohistochemistry staining and reverse transcription polymerase chain reaction (RT-PCR) method. The data were analyzed using one factor analysis of variance. Result. The expressions of NF-κBand TGF-β1 proteins and mRNA in the cardiac muscle of diabetic rats were significantly raised (P<0.05), which could be decreased by CS (P<0.05). Conclusions. The changes on the expressions of NF-κB and TGF-β1 in myocardium may be involved in the occurrence of diabetic cardiomyopathy (DC). CS may play its role on myocardial protection by regulating the expressions of NF-κB and TGF-β1 in myocardium.

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