Ближайшие результаты рентгенохирургического лечения миом матки — эмболизации маточных артерий, выполненного в ОКБ ХМАО — Югры

An efficient modern method for treatment of uterine fibroids is embolization of uterine arteries (EUA). It can be applied at single and multiple uterine fibroids. In most patients, myomatous nodes regress or resolve, bad symptoms reduce or disappear. EUA can also be made in women of reproductive age as an organ-preserving surgery allowing child-bearing in the future.Эффективным современнымметодом лечения миомы матки является эмболизация маточных артерий (ЭМА). Она может быть выполнена при единичной и множественной миоме матки. У большинства пациенток регрессируют или рассасываются миоматозные узлы, уменьшается или исчезает тревожащая симптоматика. ЭМА также можно провести у женщин репродуктивного возраста как органосохраняющую операцию, позволяющую в дальнейшем деторождение

Mechanisms of Hybrid Oligomer Formation in the Pathogenesis of Combined Alzheimer's and Parkinson's Diseases

Background: Misfolding and pathological aggregation of neuronal proteins has been proposed to play a critical role in the pathogenesis of neurodegenerative disorders. Alzheimer’s disease (AD) and Parkinson’s disease (PD) are frequent neurodegenerative diseases of the aging population. While progressive accumulation of amyloid b protein (Ab) oligomers has been identified as one of the central toxic events in AD, accumulation of a-synuclein (a-syn) resulting in the formation of oligomers and protofibrils has been linked to PD and Lewy body Disease (LBD). We have recently shown that Ab promotes a-syn aggregation and toxic conversion in vivo, suggesting that abnormal interactions between misfolded proteins might contribute to disease pathogenesis. However the molecular characteristics and consequences of these interactions are not completely clear. Methodology/Principal Findings: In order to understand the molecular mechanisms involved in potential Ab/a-syn interactions, immunoblot, molecular modeling, and in vitro studies with a-syn and Ab were performed. We showed in vivo in the brains of patients with AD/PD and in transgenic mice, Ab and a-synuclein co-immunoprecipitate and form complexes. Molecular modeling and simulations showed that Ab binds a-syn monomers, homodimers, and trimers, forming hybrid ringlike pentamers. Interactions occurred between the N-terminus of Ab and the N-terminus and C-terminus of a-syn. Interacting a-syn and Ab dimers that dock on the membrane incorporated additional a-syn molecules, leading to th

Ansa-Zirconocene Catalysts for Isotactic-Selective Propene Polymerization at High Temperature: A Long Story Finds a Happy Ending

Absolute rigidity is rare in the "soft"world of organometallics. Here we introduce two cyclopenta[a]triptycyl ansa-zirconocene catalysts for isotactic-selective propene polymerization, designed by means of an integrated high-throughput experimentation/quantitative structure-activity relationship modeling approach. An ultrarigid ligand precisely wrapped around the Zr center enforces an enzyme-like lock and key fit, effectively hampering undesired reactive events, even at high temperature. Stereodefective units are hardly detectable by 13C NMR in the polymer produced at 120 °C; this corresponds to an enantioselectivity exceeding 6-7 kcal/mol: i.e., less than 1 propene misinsertion every 4000 (and at room temperature, one every ∼40000!)

Short-term results of X-ray treatment of uterine fibroids — embolization of uterine arteries in Yugra Regional Clinical Hospital

An efficient modern method for treatment of uterine fibroids is embolization of uterine arteries (EUA). It can be applied at single and multiple uterine fibroids. In most patients, myomatous nodes regress or resolve, bad symptoms reduce or disappear. EUA can also be made in women of reproductive age as an organ-preserving surgery allowing child-bearing in the future

Manipulating pre-equilibria in olefin polymerization catalysis: backbone-stiffening converts a living into a highly active salan-type catalyst

Stiffening of the catalyst backbone of salan-type catalyst 1via ring closure yields indanosalan 3 and increases activity and molar mass capability by two orders of magnitude. In propene polymerization, catalyst 3 is highly isotactic selective and nearly as active as one of the most productive known salan-catalysts today (2), showing much higher molar mass capability. NMR studies provide evidence of the identity of the active metal-polymeryl species for the catalyst pair 1/3, explaining their vast activity differences: the traditional salan catalyst 1 is trapped in the inactive mer-mer configuration, while indanosalan 3 prefers the active fac-fac isomer