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Biotech / Medical : Biotech Valuation

CRSP 52.20

-5.5%

3:59 PM EST

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To: Biomaven who started this subject	11/7/2001 10:28:32 PM
From: aknahow	Read Replies (1) of 52153

news.bbc.co.uk SNIP nmethylated DNA could provide a defence US scientists may have developed a way to help humans fight off dangerous bacteria by supercharging their immune systems. Their discovery, which has so far only been tested on animals, could provide temporary protection from a range of bio-weapons including anthrax, Ebola and listeria. It could also provide a defence for travellers exposed to endemic diseases abroad, such as malaria, and for patients undergoing surgery who are at risk of post-operative infections. The technique involves introducing chemicals called "unmethylated CpGs" to the human immune system. CpGs are elements of DNA made up of cytosine and guanine - two of the four components which help form the genetic code of DNA. The key difference is that in humans this particular DNA sequence has undergone a chemical modification, called methylation, whereas in bacteria it has not. This allows the body to distinguish between bacteria and human cells.

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