Therapeutic neovascularization using cord blood-derived endothelial progenitor cells for diabetic neuropathy

Keiko Naruse, Yoji Hamada, Eitaro Nakashima, Koichi Kato, Ryuichi Mizubayashi, Hideki Kamiya, Yukio Yuzawa, Seiichi Matsuo, Toyoaki Murohara, Tatsuaki Matsubara, Yutaka Oiso, Jiro Nakamura

研究成果: Article査読

110 被引用数 (Scopus)

抄録

Diabetic neuropathy is based on the impairment of nerve blood flow and the metabolic disorder. Although the vasodilating agents and anticoagulants improve nerve function and symptoms in diabetic neuropathy, more effective treatments are needed. Because endothelial progenitor cells (EPCs) have been identified in adult human peripheral blood, many studies have shown that transplantation of EPCs improves circulation to ischemic tissues. In this study, we have demonstrated that therapeutic neovascularization using human umbilical cord blood-derived EPCs reversed diabetic neuropathy. EPCs were isolated and expanded on day 7 of culture from cord blood mononuclear cells. Unilateral intramuscular injection of EPCs into hindlimb skeletal muscles significantly ameliorated impaired sciatic motor nerve conduction velocity and sciatic nerve blood flow in the EPC-injected side of streptozotocin-induced diabetic nude rats compared with the saline-injected side of diabetic nude rats. Histological study revealed an increased number of microvessels in hindlimb skeletal muscles in the EPC-injected side of diabetic rats. These findings suggest that transplantation of EPCs from cord blood may be a useful treatment for diabetic neuropathy.

本文言語English
ページ(範囲)1823-1828
ページ数6
ジャーナルDiabetes
54
6
DOI
出版ステータスPublished - 06-2005
外部発表はい

All Science Journal Classification (ASJC) codes

  • 内科学
  • 内分泌学、糖尿病および代謝内科学

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