However, a growing body of evidence indicates that, besides the unquestionable benefit from its thrombolytic activity, tPA also has a deleterious effect on the ischemic brain including cytotoxicity and increased permeability of the neurovascular unit with the development of cerebral edema. Because an increasing number of acute stroke patients are treated with tPA, it is important to know the mechanisms of harmful effects of tPA on the ischemic brain. Here, the best studied pathways of tPA neurotoxicity are discussed along with future directions for a safer use of tPA as a

thrombolytic agent in the setting of acute ischemic stroke.”
“Men and women exhibit differences in sexual behavior. This indicates that neural circuits within the central nervous system (CNS) that control sexual Selleckchem Dinaciclib behavior differ between ICG-001 concentration the sexes, although differences in behavior are also influenced by sociocultural and hormonal factors. Sexual differentiation of the body and brain occurs during the embryonic and neonatal periods in humans and persists into adulthood with relatively low plasticity. Male sexual behavior is complex and depends on intrinsic and extrinsic factors, including olfactory,

somatosensory and visceral cues. Many advances in our understanding of sexually dimorphic neural circuits have been achieved in animal models, but major issues are yet to be resolved. This review summarizes the sexually dimorphic nuclei controlling male

sexual function in the rodent CNS and focuses on the interactions of the brain-spinal cord neural networks controlling male sexual behavior. old Possible factors that relate findings from animal studies to human behavior are also discussed. (C) 2011 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.”
“The increasing prevalence, variable pathogenesis, progressive natural history, and complications of type 2 diabetes emphasise the urgent need for new treatment strategies. Longacting (eg, once weekly) agonists of the glucagon-like-peptide-1 receptor are advanced in development, and they improve prandial insulin secretion, reduce excess glucagon production, and promote satiety. Trials of inhibitors of dipeptidyl peptidase 4, which enhance the effect of endogenous incretin hormones, are also nearing completion. Novel approaches to glycaemic regulation include use of inhibitors of the sodium glucose cotransporter 2, which increase renal glucose elimination, and inhibitors of 11 beta-hydroxysteroid dehydrogenase 1, which reduce the glucocorticoid effects in liver and fat. Insulin-releasing glucokinase activators and pancreatic-G-protein-coupled fatty-acid-receptor agonists, glucagon-receptor antagonists, and metabolic inhibitors of hepatic glucose output are being assessed. Early proof of principle has been shown for compounds that enhance and partly mimic insulin action and replicate some effects of bariatric surgery.