6), freedom from recurrent symptoms (59% +/- 6% vs 60% +/- 9%; P = .1), amputation-free survival (46% +/- 5% vs 63% +/- 7%; P = .06), and limb salvage at 3 years (63% +/- 6% vs 74% +/- 7%; P = .6) were similar.
Conclusions: TA in patients with poor runoff has a positive effect on SFA anatomic outcomes. However, clinical success was not affected. Concomitant TA appears not to add clinical benefit to SFA intervention in critical limb ischemia. (J Vasc Surg 2013;57:19-27.)”
“Based on genetic variation, there is accumulating evidence that altered function of tryptophan hydroxylase-2
learn more (TPH2), the enzyme critical for synthesis of serotonin (5-HT) in the brain, plays a role in anxiety-, aggression- and depression-related personality traits and in the pathogenesis of disorders featuring deficits in cognitive control and emotion regulation.
Here, we appraise the genetic and neurobiological evidence to illustrate the critical role of TPH2 in central 5-HT system function and in the pathophysiology of a wide spectrum of disorders of cognitive control and emotion regulation, ranging from depression to attention-deficit/hyperactivity disorder (ADHD), a phenotype commonly associated with difficulties in the control of emotion and with a high co-morbidity of depression. Findings from psychophysiological and functional Linsitinib imaging studies are indicative of various TPH2 polymorphisms directly influencing serotonergic function and thus impacting on mood disorders and on the response to antidepressant treatment. Especially a combination with uncontrollable stress seems to potentiate these effects linking gene-environment interaction directly with behavioral dysfunction in human and animal models. TPH2-deficient mice display alterations in anxiety-like behavior which is accompanied by adaptational changes of 5-HT1A receptors and its associated signaling pathway. Mouse models
in conjunction with cognitive neuroscience approaches in humans are providing Megestrol Acetate unexpected results and it may well be that future research on TPH2 will provide an entirely new view of 5-HT in brain development and function related to neuropsychiatric disorders. (C) 2011 Elsevier Ltd. All rights reserved.”
“We introduce a strategy for generating mixtures of nitric oxide (NO) and nitroxyl (HNO) at tunable rates in physiological media. The approach involves converting a spontaneously HNO/NO-generating ion to a caged (prodrug) form that is essentially stable in neutral media, but that can be activated for HNO/NO release by adding an enzyme capable of efficiently opening the cage to regenerate the ion. By judiciously choosing the enzyme, substrate, and reaction conditions, unwanted scavenging of the HNO and NO by the protein can be minimised and the catalytic efficiency of the enzyme can be maintained.