The transport parameters of the layers of the model were obtained from the hydrodynamic theory, the stochastic theory, and from the literature. The results showed that the increase in the thickness of the EGL could lead to a sharp drop in LDL accumulation in the intima. A partial damage to the EGL could compromise its barrier function, hence leading to enhanced infiltration/accumulation
of LDLs within the wall of the arterial model. Without the EGL, hypertension could lead to a significantly enhanced LDL transport into the wall of the model. However, the intact EGL could protect the arterial wall from hypertension so that the LDL concentration in the intima layer was almost the same as that under normal pressure conditions. The results see more also showed that LDL concentration within the arterial wall increased with Phi (the fraction of leaky junctions) on the intima layer. The increase in LDL concentration learn more with Phi was much more dramatic for the model without the EGL. For instance, without the EGL, a Phi of 0.0005 could
lead LDL concentration within the arterial wall to be even higher than that predicted for the EGL intact model with a Phi of 0.002. In conclusion, an intact EGL with a sufficient thickness may act as a barrier to LDL infiltration into the arterial wall and has the potential to suppress the hypertension-driven hike of LDL infiltration/accumulation in the arterial wall. (C) 2011 Elsevier Ltd. All rights reserved.”
“The G protein-coupled receptor 39-b (GPR39-1b) is a splice variant of which is expressed in the central nervous and gastrointestinal systems. Previously, GPR39-1b was proposed to be
the receptor for obestatin, but current evidence does not support this hypothesis. The purpose of the present work was to identify the role of GPR39-1b in anxiety and eating behaviors. Antisense oligonucleotides were infused at a constant rate into the cerebral lateral ventricles of rats and their effect on anxiety-like behavior and food intake was monitored. GPR39-1b antisense oligonucleotides produced anxiolytic-like effects in the elevated-plus maze test and in the black and white box test. Antisense oligonucleotides also decreased food intake. These results indicate that inhibition of GPR39-1b induces selleck compound a decrease in anxiety-related behaviors and disturbs appetite. (C) 2011 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.”
“Endothelium-derived microparticles (EMPs) are small vesicles released from endothelial cells in response to cell injury, apoptosis, or activation. Elevated concentrations of EMPs have been associated with many inflammatory and vascular diseases. EMPs also mediate long range signaling and alter downstream cell function. Unfortunately, the molecular and cellular basis of microparticle production and downstream cell function is poorly understood.
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