(C) 2009 Elsevier Inc. All rights reserved.”
“Timely recanalization
during endovascular procedures for acute ischemic stroke can be challenging in cases with large clot burden, such as those www.selleckchem.com/products/nsc-23766.html encountered in the terminal internal carotid T- or L-type occlusion.
A novel but simple technique to achieve fast reduction in clot burden in stroke patients with occlusion of the internal carotid artery termination is described where manual suction using a 60-ml syringe applied through an 8-F balloon guide catheter positioned in the cervical carotid vasculature with proximal flow arrest allows subsequent revascularization of the residual middle cerebral artery clot.
The use of manual suction through a balloon-tipped guide catheter in internal carotid artery L- or T-type occlusion is illustrated. This resulted in a significant reduction Tucidinostat chemical structure of the clot burden and facilitated further interventions leading to full recanalization.
Manual suction using a 60-ml syringe through a ballon guide catheter is a useful and feasible technique that facilitates thrombectomy of large burden cerebral clots.”
“Human tuberculosis (TB) is a major cause of morbidity and mortality worldwide, especially in poor and developing countries. Moreover,
the emergence of Mycobacterium tuberculosis strains resistant to first- and second-line anti-TB drugs raises the prospect of virtually incurable TB. Enzymes of the purine phosphoribosyltransferase (PRTase) family are components of purine salvage pathway and have been proposed as drug targets for the development of chemotherapeutic agents against infective and parasitic diseases. The PRTase-catalyzed chemical reaction involves the ribophosphorylation in one step of purine bases (adenine,
guanine, hypoxanthine, or xanthine) and their analogues to the respective nucleoside 5′-monophosphate and pyrophosphate. Hypoxanthine-guanine phosphoribosyltransferase (HGPRT; EC 2.4.2.8) is a purine salvage pathway enzyme that specifically recycles hypoxanthine and guanine from the medium, others which are in turn converted to, respectively, IMP and GMP. Here we report cloning, DNA sequencing, expression in Escherichia coli BL21 (DE3) cells, purification to homogeneity, N-terminal amino acid sequencing, mass spectrometry analysis, and determination of apparent steady-state kinetic parameters for an in silico predicted M. tuberculosis HGPRT enzyme. These data represent an initial step towards future functional and structural studies, and provide a solid foundation on which to base M. tuberculosis HGPRT-encoding gene manipulation experiments to demonstrate its role in the biology of the bacillus. (C) 2009 Elsevier Inc. All rights reserved.”
“Aneurysms superiorly located on the proximal segment of the middle cerebral artery (PMCAA) are rare and challenging to treat. No information is available regarding their management by endovascular approach.