نتایج جستجو برای: dependent permeability
تعداد نتایج: 731834 فیلتر نتایج به سال:
Inorganic polyphosphate (polyP) is a biopolymer of phosphoanhydride-linked orthophosphate residues. PolyP is involved in multiple cellular processes including mitochondrial metabolism and cell death. We used artificial membranes and isolated mitochondria to investigate the role of the polyP in mitochondrial ion transport and in activation of PTP. Here, we found that polyP can modify ion permeab...
Hydrotropy refers to increasing the water solubility of otherwise poorly soluble compound by the presence of small organic molecules. While it can certainly increase the apparent solubility of a lipophilic drug, the effect of hydrotropy on the drugs' permeation through the intestinal membrane has not been studied. The purpose of this work was to investigate the solubility-permeability interplay...
PURPOSE The accumulation of advanced glycation end products (AGEs) within the retina in diabetes is associated with a chronic increase in retinal microvascular permeability. Isolated perfused retinas were used to examine the acute effects of AGEs on retinal microvascular permeability. METHODS Retinas were dissected from eyes obtained from male Wistar rats, pinned out flat, and perfused with t...
Dysregulated angiogenesis and high tumor vasculature permeability, two vascular endothelial growth factor (VEGF)-mediated processes and hallmarks of human tumors, are in part phosphatidylinositol 3-kinase (PI3K) dependent. NVP-BEZ235, a dual PI3K/mammalian target of rapamycin (mTOR) inhibitor, was found to potently inhibit VEGF-induced cell proliferation and survival in vitro and VEGF-induced a...
Synaptic mechanisms of plasticity are calcium-dependent processes that are affected by dysfunction of mitochondrial calcium buffering. Recently, we observed that mice deficient in mitochondrial voltage-dependent anion channels, the outer component of the mitochondrial permeability transition pore, have impairments in learning and hippocampal synaptic plasticity, suggesting that the mitochondria...
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