The Ashanti de Silva Case

The doctors are injecting Ashanti s own blood cells into her arm. The blood cells have been treated in a lab with a virus related 

More than 15 years and hundreds of clinical trials later, the FDA has not yet approved any gene therapy product. It has not been for lack of trying. By 2004, there were more than 600 hmnan 

The challenge is to get the genetic construct into the appropriate cell, and have it settle down in the cell to be copied faithfully every time the cell divides. Most importantly, it must be placed where it would direct the production of the correct protein so that the protein would be produced in the right amount and in the proper location within the cell. So far, gene therapy has not had much success. 

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