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Old Nov 17, 08
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Cure for AIDS? or giant fluke?

CityNews: Bone Marrow Transplant Cures Man Of AIDS, But Will It Work For Everyone?

Bone Marrow Transplant Cures Man Of AIDS, But Will It Work For Everyone?
Thursday November 13, 2008
By Patrick McGroarty The Associated Press
An American man who suffered from AIDS appears to have been cured of the disease 20 months after receiving a targeted bone marrow transplant normally used to fight leukemia, his doctors said.

While researchers - and the doctors themselves - caution that the case might be no more than a fluke, others say it may inspire a greater interest in gene therapy to fight the disease that claims 2 million lives each year. The virus has infected 33 million people worldwide.

Dr. Gero Huetter said Wednesday his 42-year-old patient, an American living in Berlin who was not identified, had been infected with the AIDS virus for more than a decade. But 20 months after undergoing a transplant of genetically selected bone marrow, he no longer shows signs of carrying the virus.

"We waited every day for a bad reading," Huetter said.

It has not come. Researchers at Berlin's Charite hospital and medical school say tests on his bone marrow, blood and other organ tissues have all been clean.

However, Dr. Andrew Badley, director of the HIV and immunology research lab at the Mayo Clinic in Rochester, Minn., said those tests have probably not been extensive enough.

"A lot more scrutiny from a lot of different biological samples would be required to say it's not present," Badley said.

This isn't the first time marrow transplants have been attempted for treating AIDS or HIV infection. In 1999, an article in the journal Medical Hypotheses reviewed the results of 32 attempts reported between 1982 and 1996. In two cases, HIV was apparently eradicated, the review reported.

Huetter's patient was under treatment at Charite for both AIDS and leukemia, which developed unrelated to HIV.

As Huetter - who is a hematologist, not an HIV specialist - prepared to treat the patient's leukemia with a bone marrow transplant, he recalled that some people carry a genetic mutation that seems to make them resistant to HIV infection. If the mutation, called Delta 32, is inherited from both parents, it prevents HIV from attaching itself to cells by blocking CCR5, a receptor that acts as a kind of gateway.

"I read it in 1996, coincidentally," Huetter told reporters at the medical school. "I remembered it and thought it might work."

Roughly one in 1,000 Europeans and Americans have inherited the mutation from both parents, and Huetter set out to find one such person among donors that matched the patient's marrow type. Out of a pool of 80 suitable donors, the 61st person tested carried the proper mutation.

Before the transplant, the patient endured powerful drugs and radiation to kill off his own infected bone marrow cells and disable his immune system - a treatment fatal to between 20 and 30 percent of recipients.

He was also taken off the potent drugs used to treat his AIDS. Huetter's team feared that the drugs might interfere with the new marrow cells' survival. They risked lowering his defenses in the hopes that the new, mutated cells would reject the virus on their own.

Anthony Fauci, director of the National Institute of Allergy and Infections Diseases in the U.S., said the procedure was too costly and too dangerous to employ as a firstline cure. But he said it could inspire researchers to pursue gene therapy as a means to block or suppress HIV.

"It helps prove the concept that if somehow you can block the expression of CCR5, maybe by gene therapy, you might be able to inhibit the ability of the virus to replicate," Fauci said.

David Roth, a professor of epidemiology and international public health at the London School of Hygiene and Tropical Medicine, said gene therapy as cheap and effective as current drug treatments is in very early stages of development.

"That's a long way down the line because there may be other negative things that go with that mutation that we don't know about."

Even for the patient in Berlin, the lack of a clear understanding of exactly why his AIDS has disappeared means his future is far from certain.

"The virus is wily," Huetter said. "There could always be a resurgence."
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Old Nov 17, 08
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i heard this in the locker room yesterday, i also heard that 4 total patients have possibly been cured.
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Old Nov 17, 08
dumb it down, would ya?
 
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aids and leukemia? some people have all the luck.
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Old Nov 17, 08
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Too bad it's insanely expensive and would never help the huge numbers suffering from AIDS in Africa.

That and the potential for graft versus host! (too much House, I know)
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Old Nov 18, 08
............
 
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Vitamin-X will become famous soon enough
I've heard of the delta 32 gene.
Apparently only found in white people, if you have one copy of the gene
you are highly resistant to the hiv. If you have both, you are essentially immune.

This gene initially granted immunity to the bubonic plague.
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Old Nov 18, 08
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Quote:
Originally Posted by Disco_Whore View Post
Too bad it's insanely expensive and would never help the huge numbers suffering from AIDS in Africa.

That and the potential for graft versus host! (too much House, I know)
change starts somewhere....
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Old Nov 18, 08
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i have done extensive travel and research regarding medicinal practices of tribes in southamerica.

there are plenty of cases i have come across with the HIV and diabetes working with traditional medicines and being cured of various aliments. non are reported by mainstream media.

85% of our pharms come from the amazon.

it is THE biggest tragedy in the modern world that the human race is held captive by the big pharma INDUSTRY.

Last edited by Revolver; Nov 18, 08 at 09:44 AM.
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Old Nov 18, 08
sup?
 
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Curing disease isn't very profitable.
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