Journal
FOODS
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/foods11091220
Keywords
ageing arteries; black chokeberry (Aronia melanocarpa); ACE2; functional foods
Categories
Funding
- Bulgarian National Science Fund [DN 09/20]
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The study evaluates the effect of Aronia melanocarpa fruit juice supplementation on age-related coronary arteries remodeled in aged rat hearts. The results indicate the positive effects of AMJ supplementation on the age-dependent remodeling of coronary arteries.
The aim of the study is to evaluate the effect of Aronia melanocarpa fruit juice (AMJ) supplementation on age-related coronary arteries remodeled in aged rat hearts. Male Wistar rats (n = 24) were divided into three groups: (1) young controls (CY), aged 2 months, without AMJ supplementation; (2) old controls (CO), aged 27 months, without AMJ supplementation; and (3) the AMJ group (A), which used 27-month old animals, supplemented orally with AMJ for 105 days. AMJ supplementation did not influence the wall-to-diameter parameter (Kernohan index) of the coronary arteries of test animals. Aged rats supplemented with AMJ showed a significant decrease in the amount of collagen fibers in their coronary tunica media, as compared with the old controls. The intensity of the immunoreaction for alpha smooth muscle actin (aSMA) in the coronary tunica media was significantly lower in the supplemented group than in the old controls. The intensity of the angiotensin-converting enzyme 2 (ACE2) immunoreaction in the coronary tunica media of the supplemented group was significantly higher than the one observed in the old controls. These results indicate the positive effects of AMJ supplementation on the age-dependent remodeling of coronary arteries and support for the preventive potential of antioxidant-rich functional food supplementation in age-related diseases.
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