But what of this? Is this what HIV/AIDS sufferers have been waiting for?
Not directly at least. The patient in this case was given a 'targeted' bone marrow transplant, a procedure which is risky, and expensive. Not many HMOs or medical plans would pay for such a treatment. And it is way too complex and expensive to be of any help for the millions of HIV/AIDS victims in Africa.
The technique used does shed some helpful light on the nature of resistance to HIV infection. The patient's own marrow was destroyed, then stem cells were injected from a donor genetically resistant to HIV infection. The new marrow cells took hold and produced blood cells that restored the patient's immune system - only this time the immune system was 'supercharged' to handle HIV.
The pumped-up immune system was achieved by the donor's natural resistance to HIV. The apparent success of the treatment supports the hypothesis that such resistance to HIV happens due to defensive blood cells that are genetically better at fighting HIV.
This knowledge may lead to better treatments, possibly even a cure that might work for everyone. But we are not there yet.
For now, this particular 'cure' will be reserved for special trials, or for people who can afford the cost and are willing to take the risk of bone marrow transplant.
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