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Nat Med. 2000 Apr;6(4):405-13.

Favorable effect of VEGF gene transfer on ischemic peripheral neuropathy.

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1
Division of Cardiovascular Research St. Elizabeth's Medical Center-Tufts University School of Medicine, 736 Cambridge Street, Boston, Massachusetts 02135, USA.

Abstract

Ischemic peripheral neuropathy is a frequent, irreversible complication of lower extremity vascular insufficiency. We investigated whether ischemic peripheral neuropathy could be prevented and/or reversed by gene transfer of an endothelial cell mitogen designed to promote therapeutic angiogenesis. Intramuscular gene transfer of naked DNA encoding vascular endothelial growth factor (VEGF) simultaneously with induction of hindlimb ischemia in rabbits abrogated the substantial decrease in motor and sensory nerve parameters, and nerve function recovered promptly. When gene transfer was administered 10 days after induction of ischemia, nerve function was restored earlier and/or recovered faster than in untreated rabbits. These findings are due in part to enhanced hindlimb perfusion. In addition, however, the demonstration of functional VEGF receptor expression by Schwann cells indicates a direct effect of VEGF on neural integrity as well. These findings thus constitute a new paradigm for the treatment of ischemic peripheral neuropathy.

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PMID:
10742147
DOI:
10.1038/74664
[Indexed for MEDLINE]

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