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Collateral vessel growth induced by femoral artery ligature is impaired by denervation.
MedLine Citation:
PMID:  21509579     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Innervation plays an important role in development and remodeling of blood vessels. However, very little is known whether innervation is involved in arteriogenesis. In the present study, we tested the hypothesis that innervation may contribute to the process of arteriogenesis induced by ligature of femoral artery in rat/rabbit hind limb with or without denervation. We found that: (1) angiography showed more collateral vessels in the ligature side than that in ligature plus denervation side; (2) collateral vessels in denervation side was characterized by an inward remodeling; (3) in both collateral vessels (CVs) from only femoral ligature side as well as the ligature plus denervation side, ICAM-1 and VCAM-1 expression was up-regulated but increased VCAM-1 was more evident in the adventitia of collateral vessels of only femoral ligature side; (4) 7 days after surgery, in CVs from the femoral ligature side only, numerous macrophages (RAM11 positive cells) and high cell proliferation ratio (ki67 positive cells) were detected, but they were less in the denervation side. In conclusion, our data demonstrate for the first time that neural regulation is one of the factors that contributes to collateral vessel growth in rat/rabbit hind limb ischemic model by showing collateral vessel growth induced by femoral artery ligature is impaired by denervation.
Authors:
Ming-Ying Luo; Bao-Lin Yang; Feng Ye; Xiaoqiong Wu; Song Peng; Bin Yi; Wei Wang; Wu Zhu; Hua Luo; Jian-Guo Wen; Wei-Jun Cai; Jutta Schaper; Wolfgang Schaper
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-21
Journal Detail:
Title:  Molecular and cellular biochemistry     Volume:  -     ISSN:  1573-4919     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0364456     Medline TA:  Mol Cell Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Histology & Embryology, Xiangya School of Medicine, Central South University, 172 Tong-Zhi-Po Road, Changsha, 410078, Hunan, People's Republic of China.
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