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Total 79 results found since Jan 2013.

Knockout of density-enhanced phosphatase-1 impairs cerebrovascular reserve capacity in an arteriogenesis model in mice.
Abstract Collateral growth, arteriogenesis, represents a proliferative mechanism involving endothelial cells, smooth muscle cells, and monocytes/macrophages. Here we investigated the role of Density-Enhanced Phosphatase-1 (DEP-1) in arteriogenesis in vivo, a protein-tyrosine-phosphatase that has controversially been discussed with regard to vascular cell biology. Wild-type C57BL/6 mice subjected to permanent left common carotid artery occlusion (CCAO) developed a significant diameter increase in distinct arteries of the circle of Willis, especially in the anterior cerebral artery. Analyzing the impact of loss of D...
Source: Biomed Res - September 18, 2013 Category: Research Authors: Hackbusch D, Dülsner A, Gatzke N, Krüger J, Hillmeister P, Nagorka S, Blaschke F, Ritter Z, Thöne-Reineke C, Böhmer FD, Buschmann I, Kappert K Tags: Biomed Res Int Source Type: research

T-cadherin Promotes Revascularization Cell Biology
Adipose tissue secretes protein factors that have systemic actions on cardiovascular tissues. Previous studies have shown that ablation of the adipocyte-secreted protein adiponectin leads to endothelial dysfunction, whereas its overexpression promotes wound healing. However, the receptor(s) mediating the protective effects of adiponectin on the vasculature is not known. Here we examined the role of membrane protein T-cadherin, which localizes adiponectin to the vascular endothelium, in the revascularization response to chronic ischemia. T-cadherin-deficient mice were analyzed in a model of hind limb ischemia where blood fl...
Source: Journal of Biological Chemistry - August 23, 2013 Category: Chemistry Authors: Parker-Duffen, J. L., Nakamura, K., Silver, M., Kikuchi, R., Tigges, U., Yoshida, S., Denzel, M. S., Ranscht, B., Walsh, K. Tags: Molecular Bases of Disease Source Type: research

Naked caspase 3 small interfering RNA is effective in cold preservation but not in autotransplantation of porcine kidneys
Conclusions: Naked caspase 3 siRNA administered into the kidney was effective in cold preservation but not enough to protect posttransplant kidneys, which might be because of systemic complementary responses overcoming local effects.
Source: Journal of Surgical Research - July 27, 2012 Category: Surgery Authors: Cheng Yang, Yichen Jia, Tian Zhao, Yinjia Xue, Zitong Zhao, Junlin Zhang, Jina Wang, Xuanchuan Wang, Yongyin Qiu, Miao Lin, Dong Zhu, Guisheng Qi, Yue Qiu, Qunye Tang, Ruiming Rong, Ming Xu, Sujie Ni, Bin Lai, Michael L. Nicholson, Tongyu Zhu, Bin Yang Tags: Transplantation/Immunology Source Type: research

Gαq G proteins modulate MMP-9 gelatinase during remodeling of the murine femoral artery
Conclusions: These data demonstrate that femoral wire injury in the mouse is associated with a time-dependent increase in Gαq expression. Inhibition of Gαq alters cell proliferation and is associated with decreased MMP-9 expression and activity.
Source: Journal of Surgical Research - May 9, 2012 Category: Surgery Authors: Yiping Zou, Yuyang Fu, Mark G. Davies Tags: Association for Academic Surgery Source Type: research