نتایج جستجو برای: cryoinjury
تعداد نتایج: 187 فیلتر نتایج به سال:
Angiotensin II receptors play an essential role in cardiovascular physiology and disease. The significance of angiotensin type II (AT2) receptors in cardiac disease still remains elusive. Thus, we tested in gene-targeted mice whether AT2 receptors modulate cardiac function and remodeling after experimental myocardial injury. To generate myocardial infarcts of reproducible size, a cryolesion was...
Methods We tested human ferritin heavy chain (hFTH) tagged with both myc and green fluorescence protein (GFP) as a reporter gene for in vivo tracking of stem cells by cardiac MR. Rat mesenchymal stem cells (rMSCs) were transduced with lentiviurs to overexpress hFTH. Myocardia infarction was induced by cryoinjury in rats, and the animals were immediately subjected to intramyocardial injection of...
The wood frog ( Rana sylvatica) is a freeze-tolerant species that encounters subzero temperatures during its winter breeding season, whereas the leopard frog ( R. pipiens) is freeze intolerant and breeds in spring. Osmotic and freezing tolerances of spermatozoa from these species were inferred from spermolysis rate, integrity of the plasma membrane as judged using vital dye assay, and motility ...
* Author for correspondence:Research Scientist, Conservation & Biotechnology, (Visiting Research Fellow in Conservation & Molecular Genetics, University of Derby), Damar, Drum Road, Cuparmuir, Cupar, Fife, KY15 5RJ, Scotland, UK. Tel. and Fax: 00 44 (0) 1334 657192, Email: [email protected]. Abstract. Cryopreservation plays a vital role in the long-term in vitro conservation of esse...
Traumatic brain injury is characterized by initial tissue damage, which then can lead to secondary processes such as cell death and blood-brain-barrier disruption. Clinical and preclinical studies of traumatic brain injury typically employ anatomical imaging techniques and there is a need for new molecular imaging methods that provide complementary biochemical information. Here, we assess the a...
The level of hepatic ABCC6 expression determines the severity of calcification after cardiac injury.
Because vascular or cardiac mineralization is inversely correlated with morbidity and long-term survival, we investigated the role of ABCC6 in the calcification response to cardiac injury in mice. By using two models of infarction, nonischemic cryoinjury and the pathologically relevant coronary artery ligation, we confirmed a large propensity to acute cardiac mineralization in Abcc6−/− mice. Fu...
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