High-mobility group box-1 protein promotes angiogenesis after peripheral ischemia in diabetic mice through a VEGF-dependent mechanism

Federico Biscetti, Giuseppe Straface, Raimondo De Cristofaro, Stefano Lancellotti, Paola Rizzo, Vincenzo Arena, Egidio Stigliano, Giovanni Pecorini, Kensuke Egashira, Giulia De Angelis, Giovanni Ghirlanda, Andrea Flex

Research output: Contribution to journalArticlepeer-review

84 Citations (SciVal)

Abstract

High-mobility group box-1 (HMGB1) protein is a nuclear DNA-binding protein released from necrotic cells, inducing inflammatory responses and promoting tissue repair and angiogenesis. Diabetic human and mouse tissues contain lower levels of HMGB1 than their normoglycemic counterparts. Deficient angiogenesis after ischemia contributes to worse outcomes of peripheral arterial disease in patients with diabetes. To test the hypothesis that HMGB1 enhances ischemia-induced angiogenesis in diabetes, we administered HMGB1 protein in a mouse hind limb ischemia model using diabetic mice.
Original languageEnglish
Pages (from-to)1496-1505
Number of pages10
JournalDiabetes
Volume59
DOIs
Publication statusPublished - 2010

Keywords

  • Animals
  • Blood Flow Velocity
  • Diabetes Mellitus, Experimental
  • HMGB1 Protein
  • Hindlimb
  • Humans
  • Ischemia
  • Male
  • Mice
  • Mice, Inbred C57BL
  • Muscle, Skeletal
  • Neovascularization, Pathologic
  • Neovascularization, Physiologic
  • Vascular Endothelial Growth Factor A

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