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Thomson / Gale

Let's be careful

Science News,  Sept 1, 2007  by Kenneth Timoner

"Crossing the Line: Technique could treat brain diseases" (SN: 6/23/07, p. 387) describes attaching a drug molecule to a molecule from the rabies virus that enables the drug to cross the blood-brain barrier. This suggests a possible danger if the ability to produce the molecule could be transferred to the genomes of disease organisms in the wild. If the field of genetic engineering for drug production doesn't already have guidelines to cover such risks, now might be the time to develop them.

KENNETH TIMONER, EDINA, MINN.

COPYRIGHT 2007 Science Service, Inc.
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