RGD Reference Report - Ingested capsaicinoids can prevent low-fat-high-carbohydrate diet and high-fat diet-induced obesity by regulating the NADPH oxidase and Nrf2 pathways.

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Ingested capsaicinoids can prevent low-fat-high-carbohydrate diet and high-fat diet-induced obesity by regulating the NADPH oxidase and Nrf2 pathways.
Authors:	Sahin, Kazim Orhan, Cemal Tuzcu, Mehmet Sahin, Nurhan Ozdemir, Oguzhan Juturu, Vijaya
Citation:	Sahin K, etal., J Inflamm Res. 2017 Nov 13;10:161-168. doi: 10.2147/JIR.S149087. eCollection 2017.
RGD ID:	13504728
Pubmed:	PMID:29180887 (View Abstract at PubMed)
PMCID:	PMC5691899 (View Article at PubMed Central)
DOI:	DOI:10.2147/JIR.S149087 (Journal Full-text)
Objective: Capsaicinoids (CAPs), most commonly found in chili peppers, have a multitude of pharmacological and physiological effects, such as anti-inflammation, antioxidant, and anticancer effects. In the present study, we set out to investigate the hypothesis that CAPs mitigate obesity in rats and the possible mechanisms thereof. Materials and methods: Rats were divided into six groups, including control (±10 mg CAPs/kg body weight [BW]), low-fat-high-sucrose diet (±10 mg CAPs/kg BW), and high-fat diet (±10 mg CAPs/kg BW). Blood samples and liver and aortic tissues were taken at the end of the study. Results: CAPs supplementation significantly reduced hyperglycemia and hyperlipidemia (P<0.001) and ameliorated oxidative damage by reducing malondialdehyde concentrations in serum and liver and by increasing total antioxidant capacity in serum induced by the low-fat-high-sucrose and high-fat diets (P<0.001 for all). CAPs also depressed levels of NFκB p65, gp91phox, and p22phox, essential components of NADPH oxidase, in the aorta of rats. However, levels of Nrf2, Sirt1, and endothelial nitric oxide synthase were significantly increased in the aorta. Conclusion: CAPs may at least partially reduce adverse effects due to high-fat diet and sucrose consumption through regulation of energy metabolism, oxidative stress, and proteins involved in vasoprotection.

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Object Symbol	Species	Term	Qualifier	Evidence	With	Notes	Source	Original Reference(s)
NOS3	Human	obesity	treatment	ISO	Nos3 (Rattus norvegicus)		RGD
Nos3	Rat	obesity	treatment	IEP			RGD
Nos3	Mouse	obesity	treatment	ISO	Nos3 (Rattus norvegicus)		RGD

Objects Annotated

Genes (Rattus norvegicus)

Nos3 (nitric oxide synthase 3)

Genes (Mus musculus)

Nos3 (nitric oxide synthase 3, endothelial cell)

Genes (Homo sapiens)

NOS3 (nitric oxide synthase 3)

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Ingested capsaicinoids can prevent low-fat-high-carbohydrate diet and high-fat diet-induced obesity by regulating the NADPH oxidase and Nrf2 pathways.