Green Tea Compounds Effective Against Tumors and Genetic Diseases

'Tea is the most popular beverage in the world and many people drink it for its pleasant taste, comfort, and general health benefits. But green tea can do much more. It can save lives.

Researchers at The Children's Hospital of Philadelphia discovered that two compounds found in green tea show great promise in the treatment of two types of tumors and a deadly congenital disease. The discovery resulted from research led by principal investigator, Dr. Thomas Smith at The Donald Danforth Plant Science Center and was published in The Journal of Biological Chemistry.'


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Green Tea Compound for Radioprotection

 

 Photo Credit:Foodnetwork.com

'Green tea polyphenol antioxidant protects against bystander effects of low dose ionizing radiation that damage cells and cause numerous diseases including cancer.

The recent discovery of bystander effects from low levels of ionizing radiation has thrown risk assessment and radioprotection into disarray [1] (Bystander Effects Multiply Dose and Harm from Ionizing Radiation, SiS 55). However, it has also led to the discovery of potential mitigating measures against exposure to radioactivity, especially from nuclear accidents like Chernobyl (and Fukushima), the devastation health impacts of which are still surfacing 25 years later [2] (Chernobyl Deaths Top a Million Based on Real Evidence. SiS 55).'

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Cancer Cell Growth Stopped and Reversed by Green Tea

'Scientists have found that the active ingredient in green tea can lead to a regression in chronic lymphocytic leukemia (CLL)—a type of cancer that causes the bone marrow to make too many lymphocytes (white blood cells). Although the research showing how green tea can fight cancer cell growth was published a few years ago, it seems to have been swept under the rug.'




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Green tea reduces lung cancer risk

Experts believe it is the polyphenols in green tea that may make it beneficial

"Lung cancer is the leading cause of all cancer deaths in Taiwan," said I-Hsin Lin, a student at Chung Shan Medical University, Taiwan, who conducted the study.

"Tea, particularly green tea, has received a great deal of attention because tea polyphenols are strong antioxidants, and tea preparations have shown inhibitory activity against tumorigenesis (production of new tumour)," added Lin.

Lin and colleagues enrolled 170 patients with lung cancer and 340 healthy patients as controls.

They administered questionnaires to obtain demographic characteristics, cigarette smoking habits, green tea consumption, dietary intake of fruits and vegetables, cooking practices and family history of lung cancer.

Among smokers and non-smokers, those who did not drink green tea had a 5.16-fold increased risk of lung cancer compared with those who drank at least one cup of green tea per day.

Among smokers, those who did not drink green tea at all had a 12.71-fold increased risk of lung cancer compared with those who drank at least one cup of green tea per day.

Lin and colleagues suspect genetics may play a role in this risk differential, says a release of the American Association for Cancer Research.

"Our study may represent a clue that in the case of lung cancer, smoking-induced carcinogenesis could be modulated by green tea consumption and the growth factor environment," said Lin.

The study was presented at the AACR-IASLC Joint Conference on Molecular Origins of Lung Cancer, being held Jan 11-14.

Original Article HERE

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