Saturday, March 10, 2012

Spinal Cord Injury Cure May Come In A Fortune Cookie

Doctor looks to China for spinal injury 'cure'

One of the world's leading researchers into spinal cord injuries says China could hold the key to a cure that he has been searching for since he met late actor Christopher Reeve in the 1990s.

US-based Doctor Wise Young first used the word "cure" in relation to his work after a conversation with Reeve, the "Superman" hero who became quadriplegic in an equestrian accident in 1995.

Reeve contacted him looking for help and the two became close friends. The actor died of heart failure in 2004 at the age of 52, having devoted his life to raising awareness about spinal cord injuries and stem-cell research.

But it was a star of a different sort, Chinese gymnast Sang Lan, who set Young on the path he believes has brought a cure closer than ever, thanks to ground-breaking clinical trials of stem-cell therapy he is conducting in China.

"Everybody assumed that I'm doing this in China because I wanted to escape George W. Bush, but that's not the case at all," Young told AFP in an interview, recalling the former US president's 2001 decision to effectively stop Federal funding of embryonic stem cell research.

"I started the clinical trials in 2005 here in Hong Kong ... mainly because of a promise that I made to a young woman. Her name is Sang Lan."

Sang crushed her spine during a routine warm-up exercise at the Goodwill Games in New York in 1998. She met Young as she underwent treatment and rehabilitation in the United States over the next 12 months.

"Her parents came to me and asked whether or not there would ever be a cure for her, and I said we're working very hard on it," recalled Young, who was by then one of the leading US experts on spinal cord injuries.

"When she went back to China after doing her rehabilitation in New York she cried and asked how would therapies go from the United States to China.

"In those days China was still relatively poor and backward so she didn't think that any therapy would be coming from China. So I started in 1999 to talk to all the spinal cord doctors in China."

He said the result was China Spinal Cord Injury Net, the world's largest clinical trial network for spinal cord therapies. Established in Hong Kong in 2005, it is about to expand into Europe, India and the United States.

"We're testing umbilical cord blood-cell transplants into the spinal cord combined with lithium treatments," said Young, professor in neuroscience at Rutgers University, New Jersey.

At about 20 centres in China, Hong Kong and Taiwan, stem cells are injected into patients' damaged spines to help regenerate nerves, while lithium is used to promote the growth of the nerve fibres.

Each component of the combination therapy needs to be tested separately before they are brought together in the third and final phase, due to take place in the coming years if all goes well.

The results so far have been promising, although it's "still too early" to draw conclusions about recovery of movement, Young said.

"What we can comfortably say right now is that the procedure seems to be quite safe. Nobody has lost any function," he added.

"We don't expect people to be jumping out of bed and running marathons after this. Regeneration is a slow process."

The trials also involve intensive walking exercises for some of the severely injured participants at the Army General Hospital in Kunming, southwestern China.

In two sessions of three hours each, six days a week, the patients "sculpt" their nerve fibres into shape, Young said. He likened it to running a marathon every day. By comparison, Reeve did about two hours of exercise daily.



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