May 22, 2013 Study Finds Vitamin C Can Kill Drug-Resistant TB


Summer Daily Post

Today’s post is not related to any radio show.  I picked up an interesting science news.

Researchers at Albert Einstein College of Medicine of Yershiva University found that vitamin C kills drug-resistant tuberculosis (TB) bacteria in laboratory culture.  Tuberculosis (TB) is second only to HIV/AIDS as the greatest killer worldwide due to a single infectious agent,[1]  and leading killer of people who are HIV infected.[2]  It is treatable and preventable disease, but emergence of drug-resistant TB (MDR-TB, XDR-TB) is growing problem.

William Jacobs, Jr.,Ph.D. and his colleagues could have the discovery unintentionally.  They were first researching how TB bacteria become resistant to isoniazid, a potent TB drug.  Because they found that isoniazid-resistant TB bacteria could not make mycothiol, they hypothesized that the bacteria might contain more cysteine. (Mycothiol is composed of cysteine residue and functions as a protected reserve of cysteine and in the detoxification of alkylating agents, reactive oxygen…

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