2009). To experimentally determine how dyslipidemia alters DN, we quantified neuropathic symptoms in diabetic mice fed a high-fat diet. Streptozotocin-induced diabetic C57BL/6 mice fed a high-fat diet developed dyslipidemia and a painful neuropathy (mechanical allodynia) instead of the insensate neuropathy
(mechanical insensitivity) that normally develops in this strain. Nondiabetic mice fed a high-fat diet also developed dyslipidemia and mechanical allodynia. Thermal sensitivity was significantly reduced in diabetic compared to nondiabetic Z-VAD-FMK chemical structure mice, but was not worsened by the high-fat diet. Moreover, diabetic mice fed a high-fat diet had significantly slower sensory and motor nerve conduction velocities compared to nondiabetic mice. Overall, dyslipidemia resulting from a high-fat diet may modify DN phenotypes and/or Panobinostat inhibitor increase risk for developing DN. These results provide new insight as to how dyslipidemia may alter the development and phenotype of diabetic neuropathy.”
“We form junctions between two ZnO nanoparticles. Such junctions are formed by electrostatic adsorption of two different monolayers in sequence. While one of the monolayers contains intrinsically n-type ZnO nanoparticles, concentration of Al dopant in the other monolayer is varied. All the junctions show
current rectification. In one of the several control experiments, direction of rectification in a junction reverses when sequence of the components in the junction is inversed. This rules out any effect of interface or metal electrode in the observed current rectification. We study the mechanism of rectification that occurs in such a narrow junction. From the current-voltage characteristics, we evaluate the ideality factor of the diodes and find that
a recombination current predominates in these junctions in the voltage range of our studies. Capacitance-voltage measurements show that a depletion layer has indeed formed between the two nanoparticles.”
“Purpose of review
Organ transplantation and other major surgeries are impacted by ischemia-reperfusion injury (IRI). selleck chemicals llc Mesenchymal stromal cells (MSCs) recently became an attractive alternative therapeutic tool to combat IRI. The present review highlights the effects of MSCs in the preclinical animal models of IRI and clinical trials, and explains their potential modes of action based on the pathophysiological IRI cascade.
Recent findings
The application of MSCs in animal models of IRI show anti-inflammatory and anti-apoptotic effects, particularly for damage to the kidneys, heart and lungs. The mechanism of MSC action remains unclear, but may involve paracrine factors which could include the transfer of microvesicles, RNA or mitochondria. Although few clinical trials have reached completion, adverse effects appear minimal.
Summary
MSCs show promise in protecting against IRI-induced damage.