Green tea may help fight against diabetes

Tue, 26 Oct 2010
New research from the United States has indicated that green tea could help prevent or delay the onset of type 1 diabetes . The study, which was published in Life Sciences, examined the predominant antioxidant in the tea, called epigallocatechin gallate (EGCG), which was tested on a laboratory mouse that had type 1 diabetes and primary Sjogren's syndrome, a condition that damages the glands that produce moisture, which causes a dry mouth and eyes.

It was shown that EGCG lowered the severity and delayed onset of salivary gland damage associated with Sjogren's syndrome in the mouse. Stephen Hsu, a molecular cell biologist from the School of Dentistry, Medical College of Georgia, said "Our study focused on Sjogren's syndrome, so learning that EGCG also can prevent and delay insulin-dependent type 1 diabetes was a big surprise."

Hsu added "EGCG modulates several important genes, so it suppresses the abnormality at the molecular level in the salivary gland. It also significantly lowered the serum auto-antibodies, reducing the severity of Sjogren's syndrome-like symptoms."

Sjogren's syndrome and type 1 diabetes are both autoimmune diseases, which are the third most common type of diseases in US, affecting about eight per cent of the population. Sjogren's syndrome has no known cure.
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