Green tea may have a therapeutic and positive effect in reduced risk and treatment of autoimmune hepatitis, 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.
Autoimmune hepatitis is a medical condition characterized by immune system attacking the liver cells in induction of liver cirrhosis as a result of long term liver cellular inflammation and necrosis.
The study of concanavalin A (ConA) (25 mg/kg) induced autoimmune hepatitis in mice, pretreatment of green tea exerted a strong inhibition of inflammatory cytokines through increased Bcl-2 expression with function of blocking the apoptotic death of some cells and deceased activity of protein Bax in activated p53 a tumor suppressor to induce cell death and caspase-3, and Caspase-9 proteins in signaling molecules in responsible for executing cell death in compared to ConA-treated group within 8 hours of applications, according to observation of TUNEL assay by detecting apoptotic cells that undergo extensive DNA degradation.
In other words, green tea EGCG administration reduced expression of ConA in induction of decreased numbers of infectious cells being attacked by the immune system, thus ameliorated risk of liver cell damage.
Further differentiation indicated that application of green tea bioactive polyphenols Epigallocatechin-3-gallate (10 or 30 mg/kg) orally twice daily for 10 days before ConA injection demonstrates a significant activity in reduced activation of BNIP3, a member of the apoptotic Bcl-2 protein family in mediated infectious cell apoptosis through autophagy in induced destruction of damaged or redundant cellular components in compared to lectin ConA.
The result of green tea EGCG efficacy in induction of BNIP3 to decrease expression of concanavalin A (ConA) in reduction of numbers infectious cell proliferation was attributed to the IL-6/JAK/STAT3 signaling pathway which plays an important role in the mechanisms in exhibited green tea EGCG antioxidant activity in blocking infectious cells migration and invasion in exhibited hepatoprotective effect.
In other words, said, Dr. Li S, the lead scientist "EGCG attenuated liver injury in ConA-induced hepatitis by down-regulating IL-6/JAKs/STAT3/BNIP3-mediated apoptosis and autophagy".
Further differentiation also found that green tea EGCG administration inhibited the immune over reaction and pathological damage by decreased expression of inflammatory cytokines induced by Tumor necrosis factor (TNF), tumor necrosis factor alpha, a cell signaling protein (cytokine) in activated systemic inflammation in the acute phase infection.
Additionally, green tea also modulated the inflammatory factors, interleukin 6 (IL-6), the pro inflammatory cytokines and anti inflammatory mytokins promptly and transiently produced in response to infections and tissue injuries and interferon-gamma (IFN-γ), a cytokine that plays an important role in inducing and modulating immune responses to the infectious tissue, as well as cytokine interleukin-1β (IL-1β), a key mediator of the inflammatory response in protected body against pathological invasion.
Taken together, green tea and its bioactive Epigallocatechin-3-gallate EGCG may be considered a functional food to reduced risk and used combination with standard therapy for treatment of autoimmune hepatitis.
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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.,.
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Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.
Sources
(1) Epigallocatechin-3-gallate attenuates apoptosis and autophagy in concanavalin A-induced hepatitis by inhibiting BNIP3. by Li S1, Xia Y1, Chen K1, Li J1, Liu T1, Wang F1, Lu J1, Zhou Y1, Guo C1.(PMC)
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