Stargate Atlantis: Gene Therapy

On Friday night's episode of Stargate Atlantis, one of the characters had to go undercover in order to convince a faction of the show's resident villians, the Wraith, to accept a gene therapy. The therapy would eliminate the Wraith's need to feed on human beings, something which has become a bone of contention between the Wraith and other residents of their galaxy. Gene therapy works by rewriting a patient's genetic code, an impossibility with conventional medicines, and could be used to combat diseases such as hemophilia, Parkinsons, and cancer. It's a beautifully simple idea in concept, but the real world scientists that are working to make it a common-place reality are finding the execution to be a tough problem. There are a number of tough nuts to crack: delivering the therapeutic DNA into a cell without triggering a massive immune response (such a response killed a participant in a gene ...