Absence of chemokine (C-X-C Motif) ligand 10 diminishes perfusion recovery after local arterial occlusion in mice

P. van den Borne, R.T. Haverslag, M. Brandt, C. Cheng, H.J. Duckers, P.H. Quax, I.E. Hoefer, G. Pasterkamp*, D.P.V. de Kleijn

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

OBJECTIVE - : In arteriogenesis, pre-existing anastomoses undergo enlargement to restore blood flow in ischemic tissues. Chemokine (C-X-C motif) ligand 10 (CXCL10) is secreted after Toll-like receptor activation. Toll-like receptors are involved in arteriogenesis; however, the role of CXCL10 is still unclear. In this study, we investigated the role for CXCL10 in a murine hindlimb ischemia model. APPROACH AND RESULTS - : Unilateral femoral artery ligation was performed in wild-type (WT) and CXCL10 knockout (KO) mice and perfusion recovery was measured using laser-Doppler perfusion analysis. Perfusion recovery was significantly lower in KO mice compared with WT at days 4 and 7 after surgery (KO versus WT: 28±5% versus 81±13% at day 4; P=0.003 and 57±12% versus 107±8% at day 7; P=0.003). Vessel measurements of α-smooth muscle actin-positive vessels revealed increasing numbers in time after surgery, which was significantly higher in WT when compared with that in KO. Furthermore, α-smooth muscle actin-positive vessels were significantly larger in WT when compared with those in KO at day 7 (wall thickness, P

Original languageEnglish
Pages (from-to)594-602
Number of pages9
JournalArteriosclerosis, Thrombosis and Vascular Biology
Volume34
Issue number3
DOIs
Publication statusPublished - Mar 2014

Keywords

  • Cell movement
  • Chemokine CXCL10
  • Inflammation
  • interferon-γ-inducible protein of 10 kDa
  • Myocytes, smooth muscle

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