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The Impact of Obesity and Diabetes Mellitus on Pancreatic Cancer : Molecular Mechanisms and Clinical Perspectives

The Impact of Obesity and Diabetes Mellitus on Pancreatic Cancer :

An expanding body of preclinical evidence suggests EGCG, the major catechin found in green tea (Camellia sinensis), has the potential to impact a variety of human diseases. Apparently, EGCG functions as a powerful antioxidant, preventing oxidative damage in healthy cells, but also as an antiangiogenic and antitumor agent and as a modulator of tumor cell response to chemotherapy. Much of the cancer chemopreventive properties of green tea are mediated by EGCG that induces apoptosis and promote cell growth arrest by altering the expression of cell cycle regulatory proteins, activating killer caspases, obesity and suppressing oncogenic transcription factors and pluripotency maintain factors. In vitro studies have demonstrated that EGCG blocks carcinogenesis by affecting a wide array of signal transduction pathways including JAK/STAT, MAPK, PI3K/AKT, Wnt, and Notch. EGCG stimulates telomere fragmentation through inhibiting telomerase activity. Various clinical studies have revealed that treatment by EGCG

inhibits tumor incidence and multiplicity in different organ sites such as liver, stomach, skin, lung, mammary gland and colon. Recent work demonstrated that EGCG reduced DNMTs, proteases, and DHFR activities, which would affect transcription of TSGs and protein synthesis. EGCG has great potential in cancer prevention because of it’s safety, low cost and bioavailability. In this review, we discuss its cancer preventive properties and it’s mechanism of action at numerous points regulating cancer cell growth, survival, angiogenesis and metastasis. Therefore, non-toxic natural agent could be useful either alone or in combination with conventional therapeutics for the prevention of tumor progression and/or treatment of human malignancies.Impact of Obesity and Diabetes

Keywords: Chemoprevention, Cell cycle, Apoptosis, Cellular signaling cascades, EGCG Go to: Dr Rakesh Srivastava

351 thoughts on “The Impact of Obesity and Diabetes Mellitus on Pancreatic Cancer : Molecular Mechanisms and Clinical Perspectives”

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