نتایج جستجو برای: اپیگالوکاتچین گالات egcg
تعداد نتایج: 1826 فیلتر نتایج به سال:
The inhibition of acid production from dental plaque and mutans streptococci by epigallocatechin gallate (EGCg), one of the green tea catechins, was examined. The effect of EGCg solution on dental plaque pH was investigated. Subjects rinsed their mouths with 2 mg/ml EGCg solution and then, after 30-min interval, rinsed their mouths with 10% sucrose. Plaque samples were collected at appropriate ...
BACKGROUND There is evidence that the tea catechin epigallocatechin-3-gallate (EGCG) modulates myocardial contractility. However, the underlying mechanisms remain to be determined. AIMS To study potential signalling pathways involved in EGCG-induced contractile parameters. METHODS AND RESULTS EGCG increased fractional shortening in rat cardiac myocytes and enhanced intracellular systolic Ca...
An enhanced activity of receptor tyrosine kinases (RTKs), such as the platelet-derived growth factor (PDGF) alpha-receptor (PDGF-Ralpha) or the PDGF beta-receptor (PDGF-Rbeta), is involved in the development of proliferative diseases. We have previously demonstrated that green tea catechins containing a galloyl group in the third position of the catechin structure interfere with PDGF-BB-induced...
Potential mechanisms for the synergistic cytotoxicity elicited by epigallocatechin gallate (EGCG) (25 microM) and 4-hydroxytamoxifen (4-OHT) (1 microM) in MDA-MB-231 human breast cancer cells were investigated. The role of apoptosis was determined using chromatin condensation and Annexin-V staining. Condensed chromatin was visible following 24 h of combination treatment while flow cytometry exp...
Epigallocatechin-3-gallate (EGCG), a component extracted from green tea, has been proved to have multiple effects on human pathological and physiological processes, and its mechanisms are discrepant in cancer, vascularity, bone regeneration, and nervous system. Although there are multiple benefits associated with EGCG, more and more challenges are still needed to get through. For example, EGCG ...
Epigallocatechin-3-gallate (EGCG) is a pivotal effective component of green tea. It is known that EGCG has antioxidant activity, anti-angiogenesis, anti-tumor, cardiovascular protection and blood lipid regulation functions. Forkhead box-O1 (FOXO1) is one of the downstream signals of protein kinase B (AKT) and takes part in adipogenesis. The purpose of this study is to investigate the effects of...
The green tea (Camellia sinensis) catechin, (-)-epigallocatechin-3-gallate (EGCG), has shown cancer-preventive activity in animal models. Previously, we have reported the bioavailability of EGCG in rats and mice. Here, we report that cotreatment of HT-29 human colon cancer cells with genistein (from soy) increased cytosolic EGCG by 2- to 5-fold compared with treatment with EGCG only. Inclusion ...
(-)-Epigallocatechin gallate (EGCG) exerts multiple beneficial effects on cardiovascular performance. In this study, we aimed to examine the effects of EGCG on diabetic cardiomyopathy during myocardial ischemia/reperfusion (I/R) injury. EGCG (100 mg/kg/day) was administered at week 6 for 2 weeks to diabetic rats following the induction of type 1 diabetes by streptozotocin (STZ). At the end of w...
BACKGROUND Leishmaniasis is a parasitic disease associated with extensive mortality and morbidity. The treatment for leishmaniasis is currently based on pentavalent antimonials and amphotericin B; however, these drugs result in numerous adverse side effects. Natural compounds have been used as novel treatments for parasitic diseases. In this paper, we evaluated the effect of (-)-epigallocatechi...
BACKGROUND The study aimed to investigate the inhibitory effect of (1R,4r)-4-((R)-1-aminoethyl)-N-(pyridin-4-yl) cyclohexanecarboxamide (Y-27632) and (-)-epigallocatechin-3-gallate (EGCG) on the proliferation and migration of PANC-1 cells. EGCG, found in green tea, has been previously shown to be one of the most abundant and powerful catechins in cancer prevention and treatment. Y-27632, a sele...
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