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Genetic Linkage

The Irony of HIV Gene Therapy

HIV on a human lymphocyte.
Buried somewhere beneath the long-awaited announcement of the birth of Jessica Simpson’s baby on May 2 was encouraging news about HIV infection: gene therapy appears to be safe.

Anti-retroviral drugs (ARTs) have been remarkably successful, but they require daily doses and have adverse effects. Gene transfer is an alternative approach that gives selected cells the genes to manufacture proteins necessary to counter a particular disease. Gene transfer (which technically becomes gene therapy once it works) to treat an enzyme deficiency, for example, provides genetic instructions for the missing enzyme. To treat an infection or cancer, gene therapy bolsters immune system cells.
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