The liver is the largest internal organ found in the human which plays an essential role in filtering the blood from the digestive system before passing them to other parts of the body.
The liver also produces cholesterol, a waxy substance which aids digestion, builds cell membranes and produces vitamin D and steroid hormones.
Liver disease is a class of medical conditions characterized by reducing partly or completely the function of the liver, including liver failure.
Fibrosis is the formation of excess fibrous connective tissue in an organ or tissue in a reparative or reactive process associated with responding to injury.
In some cases, the forming of scaring also caused by overproduction of proinflammatory cytokines and/or interruption in the stage of injury recovery.
Liver fibrosis is a condition characterized by overly exuberant wound healing causing excessive connective tissue builds up in the liver. In other words, hepatic fibrosis is a condition in which a portion of the liver was affected by scars formation.
The exact causes of liver fibrosis are unknown. However, certain risk factors such as repeated liver injury caused by a virus infection, and a blockage in the bile ducts are found to elaborate on the onset of liver fibrosis.
Long-term untreated liver fibrosis can lead to cirrhosis, a condition of the severe scarring of the liver and life-threatening liver disease, including liver cancer.
The most common scale to grade the stage of liver fibrosis is the METAVIR scoring system. By examing the grade and stage of liver fibrosis of patients, their doctors can now determine the degree of severity to which patients' liver is affected.
Beta-Sitosterol is a phytochemical in the class of Phytosterols, belongings to the group of Lipids, found abundantly in avocados, rice bran, wheat germ, corn oils, fennel, peanuts, soybeans, hawthorn, basil, buckwheat. etc.
On finding a potential phytochemical for the prevention and treatment of liver diseases, researchers elucidated the β-sitosterol, a cholesterol-like phytosterol, which widely distributed in the plant kingdom. the anti-fibrotic effect on human hepatic stellate cell (HSC) model and dimethylnitrosamine (DMN)-induced mouse hepatic fibrosis model.
According to the results of the analysis of the hepato-fibrotic effect of β-sitosterol, at both of the mRNA and protein level,
* β-sitosterol inhibited the scar formation by down-regulating the mRNA and protein expression levels of collagen-1 and α-smooth muscle actin (α-SMA), a key biomarker for liver fibrosis and in activated HSC.
* Furthermore, oral administration of the β-sitosterol successfully alleviated the DMN-induced mouse liver damage and prevented collagen accumulation.
In other words, β-sitosterol exerted liver cell-protective effects against the liver damage and parameters associated with the onset of liver fibrosis.
Based on the findings, researchers said, " the effect of β-sitosterol on the TGF-β -or DMN-induced hepatofibrosis. Hence, we demonstrate the β-sitosterol as a potential therapeutic agent for the hepatofibrosis".
Taken altogether, beta-Sitosterol may be considered a supplement for the prevention and treatment of liver fibrosis, pending to the confirmation of the larger sample size and multicenter human study.
Intake of beta-Sitosterol in the form of supplements should be taken with extreme care to prevent overdose acute liver toxicity.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right 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 international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Effects of β-sitosterol derived from Artemisia capillaris on the activated human hepatic stellate cells and dimethylnitrosamine-induced mouse liver fibrosis by Kim KS, Yang HJ, Lee JY, Na YC, Kwon SY, Kim YC, Lee JH1, Jang HJ. (PubMed)
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