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Journal Article
Research Support, Non-U.S. Gov't
Heart selenoproteins status of metabolic syndrome-exposed pups: A potential target for attenuating cardiac damage.
Molecular Nutrition & Food Research 2016 December
SCOPE: Cardiac hypertrophy is the greatest complication in metabolic syndrome (MS), in dams and in offspring. The most effective therapies to avoid the evolution of MS are anti-oxidants, anti-inflammatories, and insulin sensitizers. Among anti-oxidant elements, Selenium (Se) exerts its functions through selenoproteins, which are essential for the correct functioning of the cardiovascular system. The aim of the study is analyze selenoproteins' implication in the transmission of future cardiovascular problems to MS progeny.
METHODS AND RESULTS: Heart Se deposits, antioxidant enzymes' activities, biomolecular oxidation, and the expression of selenoproteins, AMPK, and NF-kB were measured in the offspring of dams exposed to a fructose-rich diet (65%) during gestation and lactation, with a normal Se content (0.1 ppm). Thyroid hormones and MCP-1 serum levels, as well as blood pressure and heart rate were also measured. Fructose-exposed pups have cardiomegaly, oxidation, and depletion in Se heart deposits, a decrease in selenoproteins' expression and in the p-AMPK/AMPKt energy ratio; an increase in NF-kB p65 expression, and a decrease of thyroid hormones and MCP-1. Heart rate and blood pressure were altered.
CONCLUSION: These data indicate that dietary Se supplementation could be an inexpensive therapy for avoiding future cardiovascular complication in the progeny of MS dams.
METHODS AND RESULTS: Heart Se deposits, antioxidant enzymes' activities, biomolecular oxidation, and the expression of selenoproteins, AMPK, and NF-kB were measured in the offspring of dams exposed to a fructose-rich diet (65%) during gestation and lactation, with a normal Se content (0.1 ppm). Thyroid hormones and MCP-1 serum levels, as well as blood pressure and heart rate were also measured. Fructose-exposed pups have cardiomegaly, oxidation, and depletion in Se heart deposits, a decrease in selenoproteins' expression and in the p-AMPK/AMPKt energy ratio; an increase in NF-kB p65 expression, and a decrease of thyroid hormones and MCP-1. Heart rate and blood pressure were altered.
CONCLUSION: These data indicate that dietary Se supplementation could be an inexpensive therapy for avoiding future cardiovascular complication in the progeny of MS dams.
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