Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily that regulate the expression of genes involved in a variety of biological processes, including lipid metabolism and insulin sensitivity. Members of the PPAR family—in particular, PPAR—have more recently been shown to broadly regulate inflammatory and reparative responses. PPARis expressed...

Tumor hypoxia is a spatially and temporally heterogeneous phenomenon, which results from several tumor and host tissue-specific processes. To study the dynamics and spatial heterogeneity of hypoxia-inducible factor-1 (HIF-1)-specific transcriptional activity in tumors, we used repetitive noninvasive positron emission tomography (PET) imaging of hypoxia-induced HIF-1 transcriptional activity in ...

Gonzalez LM, Moeser AJ, Blikslager AT. Animal models of ischemiareperfusion-induced intestinal injury: progress and promise for translational research. Am J Physiol Gastrointest Liver Physiol 308: G63–G75, 2015. First published November 20, 2014; doi:10.1152/ajpgi.00112.2013.—Research in the field of ischemia-reperfusion injury continues to be plagued by the inability to translate research find...

introduction: postoperative neurological deficit is the most devastating complication after thoracoabdominal aortic aneurysm repair. despite demonstrated neuroprotective effects of estradiol, its protective efficacy against spinal cord ischemia-reperfusion and underlying mechanisms are not yet elucidated. methods: two groups, each of 10 new zealand white male rabbits, were studied. control grou...

Purpose: The aim of this study was to investigate alterations compatible with hepatic ischemia-reperfusion after bilioduodenal shunt (BD) in rats with obstructive jaundice (OB) . Methods:Thirty six animals were divided into 6 experimental groups: CO1 and CO2 – control groups, sham-operated (SO) and evaluated 6 and 24 hours after, respectively; OB1 and OB2, – obstructive jaundice groups, sham-op...

Edemallschemia-reperfusion iajllrylLow-dose irradiation/Reactive oxygen species/Antioxidation function. We have reported that low-dose, unlike high-dose, irradiation enhanced antioxidation function and reduced oxidative damage. On the other hand, ischemia-reperfusion ajury is induced by reactive oxygen species, In this study, we examined the inhibitory effects of prior Iow-dose X-irradiatien on...

In this study we sought to determine the effect of sepsis on two sequelae of prolonged (24-h) beta-agonist administration, myocardial hypertrophy and catecholamine-induced cardiotoxicity. Sprague-Dawley rats were randomized to cecal ligation and perforation (CLP) or sham study groups and then further randomized to receive isoproterenol (2.4 mg. kg-1. day-1 iv) or placebo treatment. At 24 h, myo...

Current estimates suggest that about 25% of cancers are associated with chronic inflammation (Mantovani et al., 2008). Many cytokines and mediators of inflammation are known to have an important role in cancer pathogenesis, but the underlying mechanisms are still not fully understood. The high mobility group box 1 (HMGB1) protein was originally identified as a nuclear protein that can regulate ...

Ischemia-reperfusion injury is a pathogenic factor in the course of many clinical disorders, such as myocardial infarction, stroke, organ transplantation, burns, and circulatory shock. The extent of ischemia-reperfusion injury is dependent on the number of infiltrating leukocytes. With in vivo microscopy, we evaluated the effect of the recombinant form of soluble murine intercellular adhesion m...

AIm: This study aims to apply computed tomography perfusion imaging (CTPI) technology under in vivo conditions in order to explore its reliability and accuracy in evaluating the rat acute cerebral ischemia-reperfusion model (RACIRM). mAterIAl and methOds: The thread embolism method was used in 48 rats to create the RACIRM. Rats were divided into 2 groups as ischemia group and ischemia-reperfusi...