Carrot Juice Administration Decreases Liver Stearoyl-CoA Desaturase 1 and Improves Docosahexaenoic Acid Levels, but Not Steatosis in High Fructose Diet-Fed Weanling Wistar Rats

Malleswarapu Mahesh; Munugala Bharathi; Mooli Raja Gopal Reddy; Manchiryala Sravan Kumar; Uday Kumar Putcha; Ayyalasomayajula Vajreswari; Shanmugam M. Jeyakumar

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자료유형: 학술저널

저자정보: Malleswarapu Mahesh (National Institute of Nutrition) Munugala Bharathi (National Institute of Nutrition) Mooli Raja Gopal Reddy (National Institute of Nutrition) Manchiryala Sravan Kumar (National Institute of Nutrition) Uday Kumar Putcha (National Institute of Nutrition) Ayyalasomayajula Vajreswari (National Institute of Nutrition) Shanmugam M. Jeyakumar (National Institute of Nutrition)

저널정보: 한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.21 No.3

발행연도: 2016.9

수록면: 171 - 180 (10page)

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Non-alcoholic fatty liver disease (NAFLD) is one of the most prevalent liver diseases associated with an altered lifestyle, besides genetic factors. The control and management of NAFLD mostly depend on lifestyle modifications, due to the lack of a specific therapeutic approach. In this context, we assessed the effect of carrot juice on the development of high fructose-induced hepatic steatosis. For this purpose, male weanling Wistar rats were divided into 4 groups, fed either a control (Con) or high fructose (HFr) diet of AIN93G composition, with or without carrot juice (CJ) for 8 weeks. At the end of the experimental period, plasma biochemical markers, such as triglycerides, alanine aminotransferase, and β-hydroxy butyrate levels were comparable among the 4 groups. Although, the liver injury marker, aspartate aminotransferase, levels in plasma showed a reduction, hepatic triglycerides levels were not significantly reduced by carrot juice ingestion in the HFr diet-fed rats (HFr-CJ). On the other hand, the key triglyceride synthesis pathway enzyme, hepatic stearoyl-CoA desaturase 1 (SCD1), expression at mRNA level was augmented by carrot juice ingestion, while their protein levels showed a significant reduction, which corroborated with decreased monounsaturated fatty acids (MUFA), particularly palmitoleic (C16:1) and oleic (C18:1) acids. Notably, it also improved the long chain n-3 polyunsaturated fatty acid, docosahexaenoic acid (DHA; C22:6) content of the liver in HFr-CJ. In conclusion, carrot juice ingestion decreased the SCD1-mediated production of MUFA and improved DHA levels in liver, under high fructose diet-fed conditions. However, these changes did not significantly lower the hepatic triglyceride levels.

#PUFA #fatty liver #vegetables #carotenoids #elongases

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참고문헌 신청

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[학술지(정기간행물)] - Cave M / 2007 / Nonalcoholic fatty liver disease : predisposing factors and the role of nutrition / J Nutr Biochem 18 : 184 ~ 195

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[학술지(정기간행물)] - Goran MI / 2012 / Genetic-related and carbohydrate-related factors affecting liver fat accumulation / Curr Opin Clin Nutr Metab Care 15 : 392 ~ 396

[학술지(정기간행물)] - Ferder L / 2010 / The role of high-fructose corn syrup in metabolic syndrome and hypertension / Curr Hypertens Rep 12 : 105 ~ 112

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