Abstract
Age-ing is involved in gradual breakdown of biological structure and function of body organs. The heart represents the main organ responsible for pumping the main issues of life which involving oxygen, nutrients and bioactive molecules necessary for maintaining the body functions. The present study has been conducted to assess the anti-aging properties of whey syrup collected from fermented milk in 4, 18 and 30-months-old rats. The histopathological and histochemical changes of carbohydrates and proteins were investigated. Immunohistochemical expression of smooth muscle actin and P53 was performed to assess the function of cardiomyocytes. Furthermore, Annexin v and biochemical changes of different cardio-biomarkers were carried out to evaluate the effects of aging. The present result of 30 months-old rats revealed myocardial infarction assessed by widening of myocardial fibers, diffused with numerous blood capillaries and dense leukocytic infiltration. The assessed biochemical markers confirmed myocardial damage. Whey supplementation improved the myocardial structure, but less improvement was observed for the 30-months-old rats. The author recommended supplementation with whey is beneficial in giving a body the demand for amino acids and minerals essential for supporting the myocardium and also provides protection against age-ing.
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