Sunday, 7 January 2018

Herbal Therapy: Green tea and Its Polyphenols in Reduced Risk, Progression, Complications and Treatment of Liver Cirrhosis

Kyle J. Norton 

Green tea may have a therapeutic and positive effect in reduced risk and treatment of liver cirrhosis, some scientists suggested.

Green tea, a precious drink processes numbers of health benefit known to almost everyone in Asia and Western world. However, as yin in nature herbal medicine or food, long term injection of large amounts may obstruct the balance of yin-yang, induced "yin excessive syndrome" or "yang vacuity syndrome" including weaken immunity and painful case of GERD,... according to traditional Chinese medicine's Yin-Yang theory.

Liver cirrhosis is a condition of abnormal function of liver due to damage liver tissue replaced by scar tissue.

According to statistic, risk of liver cirrhosis is 1.6% in adult population.

Green tea polyphenols in reduced risk and treatment of patients with liver cirrhosis was found to associate to numbers of implication, involving various mechanisms.

In male SD rats model induced liver cirrhosis through carbon tetrachloride(CCL4), randomly assigned to 3 groups, including normal group, green tea extract (GTE) group and cirrhosis group, with GTE group and the cirrhosis group were injected subcutanuously 2 times/wk over 9 weeks with 40% Carbon tetrachloride (CCl4), researcher found that green tea treatment groups displayed a significant reduction of concentration of  hydroxyproline, an amino acid produced during the hydrolysis of collagen initiate scar accumulation in the liver damage tissue caused by CCl4) in  compared to cirrhosis group.

Further analysis, also indicated that green tea exhibited antioxidant activities in decreased expression of malondialdehyde (MDA), a highly toxic reactive species in precipitated liver damage induced by application of carbon tetrachloride(CCL4).

Additionally, the green tea extract ameliorated the liver damage cell in formation of cirrhosis through attenuating the expression of transforming growth factor beta 1 or TGF-β1 in initiated cell growth, cell proliferation.

In differentiation of 11 patients with hepatitis C and detectable viremia of 4 Child-Pugh (CP) class A cirrhosis, 4 Child-Pugh class B cirrhosis, and 3 noncirrhotic, researchers at the Thomas Jefferson University indicated that injection of a single oral dose of green tea extract 400 mg containing 94% pure EGCG demonstrated a strong effect in reduced cirrhosis over expression in induction of liver tumor growth by inhibiting the virus hepatitis in facilitate the production of ROS species through chronic liver inflammation, according to the blood sample withdrawn from the patients without inducing liver toxicity.

Dr. Halegoua-De Marzio D, after taking into account of other con founders said, "A single 400-mg oral dose of EGCG was safe and well tolerated by all of the patients in the study" and disposition of EGCG was not significantly altered in these patients with cirrhosis".

Interestingly, in the concern of abnormal angiogenesis in patients with liver cirrhosis in induction of severe complications such as variceal haemorrhage and encephalopathy, Dr. Hsu SJ and colleges conducted a study to investigate the effect of green tea extract in Spraqtue-Dawley rats liver induced in by common BDL (bile duct ligation) in compared to control given distill water for 28 days and found that group treated with green tea extract expressed a strong implication in ameliorated the severity of portosystemic shunting, a rare malformation of the vessels supplying blood to the liver caused by excessive shunting of blood from the liver portal vein to the lower and middle body into the right atrium of the heart due to liver cirrhosis in induction portal hypertension and one of complication of variceal haemorrhage in patient with chronic liver cirrhosis and mesenteric angiogenesis in development of new blood vessels to supply oxygen and nutrients to initiate liver cancer.

Moreover, the effect of green tea GTP extract in reduced progression of liver cirrhosis was attributed to the suppression of hypoxia-inducible factor 1-alpha (HIF-1α) in expression of liver disease of diverse etiologies, including chronic liver diseases caused by viral infection, excessive alcohol consumption and activation of protein kinase B (Akt) in regulated infectious liver cell survival, cell-cycle progression,... and levels of VEGF in reflection of increased portal hypertension or decreased hepatic regenerative activity or the combination of both.

Dr.Hsu SJ,  the lead author said after the conclusion, "GTP appears to be an appropriate agent in controlling portal hypertension-related complications via anti-angiogenesis.

Taken together, Green tea extract containing major polyphenols such as EGCG may be considered as a functional food in reduced risk, progression, complications and treatment of liver cirrhosis. Intake of green tea supplement should be taken with special care to prevent acute toxicity.

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Author Biography
Kyle J. Norton (Scholar, Master of Nutrients, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, 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 Bio science, ISSN 0975-6299.


Sources
(1) Green tea polyphenol decreases the severity of portosystemic collaterals and mesenteric angiogenesis in rats with liver cirrhosis by Hsu SJ, Wang SS, Hsin IF, Lee FY, Huang HC, Huo TI, Lee WS, Lin HC, Lee SD.(PubMed)
(2) [Green tea extracts protected against carbon tetrachloride-induced chronic liver damage and cirrhosis].[Article in Chinese] by Xiao J1, Lu R, Shen X, Wu M.(PubMed)
(3) Limited sampling estimates of epigallocatechin gallate exposures in cirrhotic and noncirrhotic patients with hepatitis C after single oral doses of green tea extract by Halegoua-De Marzio D1, Kraft WK, Daskalakis C, Ying X, Hawke RL, Navarro VJ.(PubMed)

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