Kyle J. Norton
Hypertrophy is a process or condition that increases and growth of muscle cells by increasing the muscular size achieved through exercise.
Lifting weights is the most common way to increase hypertrophy.
In other words, hypertrophy is the enlargement of an organ or tissue from the increase in the size of its cells by increasing the number of contractile proteins in each muscle fiber.
There are two types of muscular hypertrophy including the growth of muscle contraction parts or myofibrillar and the increased muscle glycogen storage or sarcoplasmic.
Myofibrillar training improves strength and speed, compared to sarcoplasmic growth that sustains more energy in endurance athletic events.
Cardiac hypertrophy is a medical condition associated with the abnormal enlargement, or thickening, of the heart muscle.
The most common causes of cardiac hypertrophy are the results of hypertension or valvular disease.
The condition can also be caused by athletic hypertrophy (a condition related to exercise), valve disease, hypertrophic cardiomyopathy (HOCM), and congenital heart disease.
The most common symptoms are shortness of breath, chest pain, and palpitation, especially during exercise.
In finding a potential compound that attenuates cardiac H9c2 cell hypertrophy, researchers examined the effects of 3,3'-Diindolylmethane (DIM) is the major product of the acid-catalyzed condensation of indole-3-carbinol (I3C), a component of extracts of Brassica food plants.
The study was conducted using an in vitro model with 1 µM angiotensin II (Ang II) in cultured rat cardiac H9c2 cells, to observe the effects of DIM on cardiac hypertrophy.
According to the tested analysis, the optimal concentration of DIM for 6, 12, and 24 h. showed a significant effect on the atrial natriuretic peptide, brain natriuretic peptide, and myosin heavy chain β mRNA expression induced by Ang II in H9c2 cells.
In other words, DIM lowers the blood pressure, promotes diuresis, natriuresis, vasodilation of the systemic and pulmonary vasculature, and reduction of circulating levels of endothelin and aldosterone and cardiac muscle contraction induced by Ang II in H9c2 cells.
Furthermore, H9c2 cells treated with DIM for 0, 15, 30, and 60 min induced by Ang II also improve the function of 5'-AMP-activated protein kinase catalytic subunit alpha-1 that regulates the activities of a number of key metabolic enzymes in protecting the cardiac cells from stresses in response to hypertrophic stimuli.
Based on the findings, Brassica food plants consist of DIM that may be used for the prevention of cardiac hypertrophy, pending the confirmation of the larger sample size and multicenter human study.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All rights reserved)
Health article writer and researcher; Over 10,000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, Best Before it's news, the karate GB Daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for Shorty Award over last 4 years
Some articles have been used as references in medical research, such as the international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) 3,3'-Diindolylmethane attenuates cardiac H9c2 cell hypertrophy through 5'-adenosine monophosphate-activated protein kinase-α by Zong J1, Wu QQ1, Zhou H1, Zhang JY1, Yuan Y1, Bian ZY1, Deng W1, Dai J1, Li FF1, Xu M1, Fang Y1, Tang QZ. (PubMed)
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