gene therapy
"One of the major potential ways to really cure cancer is to send in genes that counteract the effect of the mutant genes that cause cancer. Gene therapy is like a software patch sent in to fix a bug. DNA is like a really complex piece of software. Once we can rewrite the genetic software to cancel out the effects of cancer-causing mutations we will be able to cure cancer. "
"Now armed with this knowledge there are many disorders that we could fix if we had a way to deliver the right DNA. In many ways gene therapy is like the Cold War. We have nuclear warheads but it isn't going to do any good if we don't have an effective delivery system. A delivery system must first be able to hit the target but it must also allow the device to do its job and do it covertly enough that it doesn't call up the defenses of its enemy too quickly."
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