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Recombinant IGF-1 gene therapy may improve nerve structure, function recovery.

Women's Health Weekly

| July 01, 2004 | COPYRIGHT 2004 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2004 JUL 1 - (NewsRx.com & NewsRx.net) -- Recombinant human insulin-like growth factor-1 gene therapy has the potential to improve recovery of pudendal nerve structure and function, a study in rats suggests.

"Injured nerves and their motor units may undergo enhanced recovery when exposed to recombinant human insulin-like growth factor-1 (rhIGF-1)," said scientists writing in the International Urogynecology Journal.

In their study, "[t]he external anal sphincter muscle in the female rat was denervated to model incontinence. The treatment-group muscle was injected with rhIGF-1 plasmid, whereas in the control group the plasmid lacked the cDNA insert and the normal group received neither surgery nor treatment."

J.M. Kerns and colleagues at Rush Presbyterian-St. Luke's Medical Center reported that "[e]lectromyography data at 56 days post-surgery indicated more re-innervation without fibrillation potentials in the treatment group (2 of 6) than in the control group (0 of 6).

"The histology of the regenerated axons in the pudendal nerve distal to the crush site also suggested an improved recovery in the treatment group. The number of motor neurons retrogradely labeled with horseradish ...

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Source: HighBeam Research, Recombinant IGF-1 gene therapy may improve nerve structure, function...

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