Cancer prevention by tea: Evidence from laboratory studies. 2011

Chung S Yang, and Hong Wang, and Guang Xun Li, and Zhihong Yang, and Fei Guan, and Huanyu Jin
Department of Chemical Biology and Center for Cancer Prevention Research, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854-8020, USA.

The cancer preventive activities of tea (Camellia sinensis Theaceae) have been studied extensively. Inhibition of tumorigenesis by green tea extracts and tea polyphenols has been demonstrated in different animal models, including those for cancers of the skin, lung, oral cavity, esophagus, stomach, small intestine, colon, bladder, liver, pancreas, prostate, and mammary glands. Many studies in cell lines have demonstrated the modulation of signal transduction and metabolic pathways by (-)-epigallocatechin-3-gallate (EGCG), the most abundant and active polyphenol in green tea. These molecular events can result in cellular changes, such as enhancement of apoptosis, suppression of cell proliferation, and inhibition of angiogenesis. Nevertheless, the molecular mechanisms of inhibition of carcinogenesis in animals and humans remain to be further investigated. Future research directions in this area are discussed.

UI MeSH Term Description Entries
D009369 Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. Benign Neoplasm,Cancer,Malignant Neoplasm,Tumor,Tumors,Benign Neoplasms,Malignancy,Malignant Neoplasms,Neoplasia,Neoplasm,Neoplasms, Benign,Cancers,Malignancies,Neoplasias,Neoplasm, Benign,Neoplasm, Malignant,Neoplasms, Malignant
D009374 Neoplasms, Experimental Experimentally induced new abnormal growth of TISSUES in animals to provide models for studying human neoplasms. Experimental Neoplasms,Experimental Neoplasm,Neoplasm, Experimental
D010636 Phenols Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D005419 Flavonoids A group of phenyl benzopyrans named for having structures like FLAVONES. 2-Phenyl-Benzopyran,2-Phenyl-Chromene,Bioflavonoid,Bioflavonoids,Flavonoid,2-Phenyl-Benzopyrans,2-Phenyl-Chromenes,2 Phenyl Benzopyran,2 Phenyl Benzopyrans,2 Phenyl Chromene,2 Phenyl Chromenes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013662 Tea The infusion of leaves of CAMELLIA SINENSIS (formerly Thea sinensis) as a beverage, the familiar Asian tea, which contains CATECHIN (especially epigallocatechin gallate) and CAFFEINE. Black Tea,Green Tea,Black Teas,Green Teas,Tea, Black,Tea, Green,Teas, Black,Teas, Green
D016588 Anticarcinogenic Agents Agents that reduce the frequency or rate of spontaneous or induced tumors independently of the mechanism involved. Anti-Carcinogenic Agents,Anti-Carcinogenic Drugs,Anti-Carcinogenic Effect,Anti-Carcinogenic Effects,Anticarcinogenic Drugs,Anticarcinogenic Effect,Anticarcinogenic Effects,Anticarcinogens,Agents, Anti-Carcinogenic,Agents, Anticarcinogenic,Anti Carcinogenic Agents,Anti Carcinogenic Drugs,Anti Carcinogenic Effect,Anti Carcinogenic Effects,Drugs, Anti-Carcinogenic,Drugs, Anticarcinogenic,Effect, Anti-Carcinogenic,Effect, Anticarcinogenic,Effects, Anti-Carcinogenic,Effects, Anticarcinogenic
D059808 Polyphenols A large class of organic compounds having more than one PHENOL group. Polyphenol,Provinols

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