Effect of Shunting of Collateral Flow into the Venous System on Arteriogenesis and Angiogenesis in Rabbit Hind Limb
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- Yang Bao-lin
- Department of Histology & Embryology, School of Basic Medicine, Central South University Department of Human Anatomy, School of Basic Medicine, Nanchang University
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- Wu Song
- Department of Orthopedics, The 3rd Xiangya Hospital, Central South University
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- Wu Xiaoqiong
- Department of Anatomy & Neurobiology, School of Basic Medicine, Central South University
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- Li Ming Bo
- Department of Anatomy & Neurobiology, School of Basic Medicine, Central South University
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- Zhu Wu
- Department of Histology & Embryology, School of Basic Medicine, Central South University
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- Guan Yinglu
- Department of Histology & Embryology, School of Basic Medicine, Central South University
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- Liu Li-Hua
- Department of Histology & Embryology, School of Basic Medicine, Central South University
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- Luo Ming-ying
- Department of Histology & Embryology, School of Basic Medicine, Central South University
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- Cai Wei-Jun
- Department of Histology & Embryology, School of Basic Medicine, Central South University
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- Schaper Jutta
- Max-Planck-Institute for Heart and Lung Research, Arteriogenesis Research Group
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- Schaper Wolfgang
- Max-Planck-Institute for Heart and Lung Research, Arteriogenesis Research Group
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抄録
The aim of this study was to characterize the vascular remodeling in the external iliac artery (EIA) and the lower leg muscles in a rabbit shunt model created between the distal stump of the occluded femoral artery and the accompanying vein. Histology and immunoconfocal microscopy were used in this study. We found that: 1) both endothelial nitric oxide synthase (eNOS) and phosphorylated eNOS (P-eNOS) proteins were significantly increased in the shunt-side EIA; 2) matrix metalloproteinase-2 (MMP-2) expression was 5.5 times in shunt side EIA over that in normal EIA; 3) intercellular adhension molecule-1 (ICAM-1) expression was strongly induced in endothelial cells (EC) and vascular adhension molecule-1 (VCAM-1) expression was significantly increased in both EC and the adventitia of the shunt-side EIA; 4) augmentation of cell proliferation and extracellular proteolysis by macrophage infiltration was observed in shunt-side EIA; 5) cell proliferation was active in shunt side EIA, but quiet in shunt side lower leg’s arterial vessels; 6) capillary density in shunt side lower leg muscles was 2 times over that in normal side.<br> In conclusion, our data demonstrate the paradigm that the power of shear stress takes the reins in arteriogenesis, whereas ischemia in angiogenesis, but not in arteriogenesis.<br>
収録刊行物
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- Acta Histochemica et Cytochemica
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Acta Histochemica et Cytochemica 46 (1), 1-10, 2013
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