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Open AccessFeature PaperArticle

Curcumin Inhibits Age-Related Vascular Changes in Aged Mice Fed a High-Fat Diet

Department of Laboratory Medicine, Toho University Graduate School of Medicine, Tokyo 143-8540, Japan
Takano Hospital, Tokyo 144-0033, Japan
Nutrition Therapy Center, Toho University Omori Medical Center, Tokyo 143-8541, Japan
Author to whom correspondence should be addressed.
Nutrients 2018, 10(10), 1476;
Received: 16 August 2018 / Revised: 4 October 2018 / Accepted: 9 October 2018 / Published: 10 October 2018
(This article belongs to the Special Issue Diet and Vascular Function)
Inhibiting the onset of arteriosclerotic disease, which has been increasing due to the westernized diet and aging, is a significant social challenge. Curcumin, a type of polyphenol, has anti-oxidative effects and anti-inflammatory action and is expected to treat and to have prophylactic effects on different diseases. In this study, we examined the effects of long-term administration of curcumin on vascular aging and chronic inflammation—the causes of arteriosclerotic disease. Eight-week-old C57BL/6J mice were fed with high fat diet (HFD) or 0.1% curcumin-mixed HFD (HFD + Cu) until 80 weeks old (n = 20 for each group). After the breeding, we examined the expression of antioxidant enzymes, heme oxygenase-1 (HO-1), oxidative stress, vascular aging, and inflammatory changes in the aorta. In the HFD group, oxidative stress increased with decreased sirt1 expression in the aorta followed by increased senescent cells and enhanced inflammation. Whereas in the HFD + Cu group, HO-1 was induced in the aorta with the suppression of oxidative stress. Additionally, it was shown that sirt1 expression in the aorta in the HFD + Cu group remained at a level comparable to that of the 8-week-old mice with suppression of increased senescent cells and enhanced inflammation. Consequently, disorders associated with HFD were resolved. These results suggest that curcumin might be a food with a prophylactic function against arteriosclerotic disease. View Full-Text
Keywords: curcumin; high-fat diet; senescence; inflammation; heme oxygenase curcumin; high-fat diet; senescence; inflammation; heme oxygenase
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Takano, K.; Tatebe, J.; Washizawa, N.; Morita, T. Curcumin Inhibits Age-Related Vascular Changes in Aged Mice Fed a High-Fat Diet. Nutrients 2018, 10, 1476.

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