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https://www.readbyqxmd.com/read/28820543/minimally-invasive-versus-transcatheter-and-surgical-aortic-valve-replacement-a-propensity-matched-study
#1
Matthew D Terwelp, Vinod H Thourani, Yelin Zhao, Prakash Balan, Catalin Loghin, Daniel Ocazionez, Anthony Estrera, Carson T Hoffmann, Vasilis C Babaliaros, Joseph Lamelas, Tom C Nguyen
BACKGROUND: An increasing number of options exist for the treatment of severe symptomatic aortic stenosis. The study aim was to compare short-term outcomes in patients undergoing surgical aortic valve replacement (SAVR), minimally invasive aortic valve replacement (MIAVR), and transcatheter aortic valve replacement (TAVR). METHODS: A multi-institutional retrospective review of 2,571 patients undergoing SAVR (n = 842), MIAVR via right anterior thoracotomy (n = 699) and TAVR (n = 1,030) between 2011 and 2014 was conducted...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28817277/discovery-and-characterization-of-r-6-neopentyl-2-pyridin-2-ylmethoxy-6-7-dihydropyrimido-2-1-c-1-4-oxazin-4-9h-one-pf-06462894-an-alkyne-lacking-metabotropic-glutamate-receptor-5-negative-allosteric-modulator-profiled-in-both-rat-and-non-human-primates
#2
Antonia F Stepan, Michelle M Claffey, Matthew R Reese, Gayatri Balan, Gabriela Barreiro, Jason Barricklow, Michael J Bohanon, Brian P Boscoe, Gregg D Cappon, Lois K Chenard, Julie Cianfrogna, Laigao Chen, Karen J Coffman, Susan E Drozda, Joshua R Dunetz, Somraj Ghosh, Xinjun Hou, Christopher Houle, Kapil Karki, John T Lazzaro, Jessica Y Mancuso, John M Marcek, Emily L Miller, Mark A Moen, Steven V O'Neil, Isao Sakurada, Marc Skaddan, Vinod Parikh, Deborah L Smith, Patrick E Trapa, Jamison B Tuttle, Patrick R Verhoest, Daniel P Walker, Annie C Won, Ann S Wright, Jessica Whritenour, Kenneth Zasadny, Margaret M Zaleska, Lei Zhang, Christopher L Shaffer
We previously observed a cutaneous type IV immune response in non-human primates (NHP) with the mGlu5 negative allosteric modulator (NAM) 7. To determine if this adverse event was chemotype- or mechanism-based, we evaluated a distinct series of mGlu5 NAMs. Increasing the sp(3) character of high-throughput screening hit 40 afforded a novel morpholinopyrimidone mGlu5 NAM series. Its prototype, (R)-6-neopentyl-2-(pyridin-2-ylmethoxy)-6,7-dihydropyrimido[2,1-c][1,4]oxazin-4(9H)-one (PF-06462894, 8), possessed favorable properties and a predicted low clinical dose (2 mg twice daily)...
August 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28768895/p16-ink4a-and-senescence-associated-%C3%AE-galactosidase-can-be-induced-in-macrophages-as-part-of-a-reversible-response-to-physiological-stimuli
#3
Brandon M Hall, Vitaly Balan, Anatoli S Gleiberman, Evguenia Strom, Peter Krasnov, Lauren P Virtuoso, Elena Rydkina, Slavoljub Vujcic, Karina Balan, Ilya I Gitlin, Katerina I Leonova, Camila R Consiglio, Sandra O Gollnick, Olga B Chernova, Andrei V Gudkov
Constitutive p16(Ink4a) expression, along with senescence-associated β-galactosidase (SAβG), are commonly accepted biomarkers of senescent cells (SCs). Recent reports attributed improvement of the healthspan of aged mice following p16(Ink4a)-positive cell killing to the eradication of accumulated SCs. However, detection of p16(Ink4a)/SAβG-positive macrophages in the adipose tissue of old mice and in the peritoneal cavity of young animals following injection of alginate-encapsulated SCs has raised concerns about the exclusivity of these markers for SCs...
August 2, 2017: Aging
https://www.readbyqxmd.com/read/28767928/trends-in-the-prescription-of-clozapine-in-a-psychiatric-hospital-a-5-year-observational-study
#4
Gabriela Danielski Niehues, Alexandre Balestieri Balan, Vinicius Brum Prá, Raphaela Santos Pellizzaro, Paulo Roberto Antunes da Silva, Manuela Danielski Niehues, Ana Paula Costa, Marcelo Liborio Schwarzbold, Alexandre Paim Diaz
Introduction: Clozapine is a well-recognized effective treatment for some patients with treatment-resistant schizophrenia (TRS). Although it has potential benefits and approximately 30% of patients have a clinical indication for clozapine use, prescription rates are low. Objective: To evaluate clozapine prescription trends over a 5-year period in a tertiary psychiatric hospital. Methods: In this observational study, data prospectively collected by the Medical and Statistical File Service (Serviço de Arquivo Médico e Estatístico) and the Pharmacy Division of Instituto de Psiquiatria de Santa Catarina between January 2010 and December 2014 were summarized and analyzed by investigators blinded to data collection...
July 31, 2017: Trends in Psychiatry and Psychotherapy
https://www.readbyqxmd.com/read/28762154/the-aortic-bifurcation-angle-as-a-factor-in-application-of-the-outback-for-femoropopliteal-lesions-in-ipsilateral-versus-contralateral-approaches
#5
Daniel Raskin, Boris Khaitovich, Shmuel Balan, Daniel Silverberg, Moshe Halak, Uri Rimon
PURPOSE: To assess the technical success of the Outback reentry device in contralateral versus ipsilateral approaches for femoropopliteal arterial occlusion. MATERIALS AND METHODS: A retrospective review of patients treated for critical limb ischemia (CLI) using the Outback between January 2013 and July 2016 was performed. Age, gender, length and site of the occlusion, approach site, aortic bifurcation angle, and reentry site were recorded. Calcification score was assigned at both aortic bifurcation and reentry site...
July 31, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28759718/temperature-dependent-hole-transfer-from-photoexcited-quantum-dots-to-molecular-species-evidence-for-trap-mediated-transfer
#6
Jacob H Olshansky, Arunima D Balan, Tina X Ding, Xiao Fu, Youjin V Lee, A Paul Alivisatos
The effect of temperature on the rate of hole transfer from photoexcited quantum dots (QDs) is investigated by measuring the driving force dependence of the charge transfer rate for different sized QDs across a range of temperatures from 78 to 300 K. Spherical CdSe/CdS core/shell QDs were used with a series of ferrocene-derived molecular hole acceptors with an 800 meV range in electrochemical potential. Time-resolved photoluminescence measurements and photoluminescence quantum yield measurements in an integrating sphere were both performed from 78 to 300 K to obtain temperature-dependent rates for a series of driving forces as dictated by the nature of the molecular acceptor...
August 4, 2017: ACS Nano
https://www.readbyqxmd.com/read/28755966/characteristics-of-idiopathic-urethral-strictures-a-link-to-remote-perineal-trauma
#7
Boyd R Viers, Travis J Pagliara, Charles A Rew, Lauren Folgosa Cooley, Christine Y Shiang, Jeremy M Scott, Allen F Morey
OBJECTIVE: To characterize the physical features and reconstructive outcomes of a series of idiopathic urethral stricture (IUS) cases in an effort to elucidate the nature of this common, yet poorly understood entity. METHODS: We retrospectively reviewed our urethroplasty database to identify men undergoing initial urethral reconstruction from 2007-2014 at one of three hospitals (N=514). Patients were stratified by stricture etiology including IUS, acute trauma, iatrogenic, hypospadias, balanitis xerotica obliterans, and radiation...
July 26, 2017: Urology
https://www.readbyqxmd.com/read/28753326/first-principles-vibrational-electron-energy-loss-spectroscopy-of-%C3%AE-guanine
#8
G Radtke, D Taverna, M Lazzeri, E Balan
A general approach to model vibrational electron energy loss spectra obtained using an electron beam positioned away from the specimen is presented. The energy-loss probability of the fast electron is evaluated using first-principles quantum mechanical calculations (density functional theory) of the dielectric response of the specimen. The validity of the method is assessed using recently measured anhydrous β-guanine, an important molecular solid used by animals to produce structural colors. The good agreement between theory and experiments lays the basis for a quantitative interpretation of this spectroscopy in complex systems...
July 14, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28750059/high-levels-of-adherence-to-a-rectal-microbicide-gel-and-to-oral-pre-exposure-prophylaxis-prep-achieved-in-mtn-017-among-men-who-have-sex-with-men-msm-and-transgender-women
#9
Alex Carballo-Diéguez, Ivan C Balán, William Brown, Rebecca Giguere, Curtis Dolezal, Cheng-Shiun Leu, Mark A Marzinke, Craig W Hendrix, Jeanna M Piper, Barbra A Richardson, Cynthia Grossman, Sherri Johnson, Kailazarid Gomez, Stephanie Horn, Ratiya Pamela Kunjara Na Ayudhya, Karen Patterson, Cindy Jacobson, Linda-Gail Bekker, Suwat Chariyalertsak, Anupong Chitwarakorn, Pedro Gonzales, Timothy H Holtz, Albert Liu, Kenneth H Mayer, Carmen Zorrilla, Javier Lama, Ian McGowan, Ross D Cranston
Trials to assess microbicide safety require strict adherence to prescribed regimens. If adherence is suboptimal, safety cannot be adequately assessed. MTN-017 was a phase 2, randomized sequence, open-label, expanded safety and acceptability crossover study comparing 1) daily oral emtricitabine/tenofovir disoproxil fumarate (FTC/TDF), 2) daily use of reduced-glycerin 1% tenofovir (RG-TFV) gel applied rectally, and 3) RG-TFV gel applied before and after receptive anal intercourse (RAI)-if participants had no RAI in a week, they were asked to use two doses of gel within 24 hours...
2017: PloS One
https://www.readbyqxmd.com/read/28747935/exploratory-study-of-the-clinical-characteristics-of-adolescent-girls-with-a-history-of-physical-or-sexual-abuse-consulting-in-a-mood-disorder-clinic
#10
Amelie LeBoeuf, Jean-Jacques Breton, Claude Berthiaume, Bogdan Balan, Christophe Huynh, Jean-Marc Guile, Réal Labelle
OBJECTIVE: To examine the clinical characteristics of adolescent girls consulting in a mood disorder clinic with a history of physical or sexual abuse. METHOD: A retrospective review was conducted of the charts of 55 adolescent girls consulting in a mood disorder clinic. An analysis grid was used to gather data on demographics, personal antecedents, symptoms and diagnoses. Girls with a history of physical or sexual abuse were compared with girls without such a history...
July 2017: Journal of the Canadian Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28730261/post-medication-stevens-johnson-syndrome-in-a-girl-hospitalized-for-a-norovirus-and-rotavirus-infection
#11
Simona Dumitra, LuminiŢa Pilat, Alina Iftode, Ozana Nicoleta Bălan, Carmen Ramona StănculeŢ, Elena Claudia Covaci, Alexandru Fica Mircea Onel, Carmen Nicoleta Crişan
Stevens-Johnson syndrome (SJS) is a cutaneous mucosal disorder characterized by extended necrosis and detachment of the epidermis affecting <10% of the body surface, caused by drugs or infections. The authors report a case of a girl with Depakine resistant epilepsy, who develops a SJS in the third week of introducing lamotrigine. The girl also presents an acute diarrheal disease with double viral etiology - rotavirus and norovirus. The clinical image comprises polymorphic erythematous maculopapular exanthema with vesicular and bullous elements, with ulcerations and desquamations at the level of the eyelids, mouth, anogenital area and tegument denuding at the level of the abdomen and limbs...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28724911/honokiol-inhibits-c-met-ho-1-tumor-promoting-pathway-and-its-cross-talk-with-calcineurin-inhibitor-mediated-renal-cancer-growth
#12
Murugabaskar Balan, Samik Chakraborty, Evelyn Flynn, David Zurakowski, Soumitro Pal
Honokiol (HNK) is a small molecule with potent anti-inflammatory and anti-tumorigenic properties; yet the molecular targets of HNK are not well studied. Hyperactivation of the receptor tyrosine kinase c-Met and overexpression of the cytoprotective enzyme heme oxygenase-1 (HO-1) play a critical role in the growth and progression of renal cell carcinoma (RCC). Interestingly, the calcineurin inhibitor (CNI) cyclosporine A (CsA), an immunosuppressant used to prevent allograft rejection, can also increase the risk of RCC in transplant patients...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724479/holocene-selection-for-variants-associated-with-general-cognitive-ability-comparing-ancient-and-modern-genomes
#13
Michael A Woodley, Shameem Younuskunju, Bipin Balan, Davide Piffer
Human populations living during the Holocene underwent considerable microevolutionary change. It has been theorized that the transition of Holocene populations into agrarianism and urbanization brought about culture-gene co-evolution that favored via directional selection genetic variants associated with higher general cognitive ability (GCA). To examine whether GCA might have risen during the Holocene, we compare a sample of 99 ancient Eurasian genomes (ranging from 4.56 to 1.21 kyr BP) with a sample of 503 modern European genomes (Fst = 0...
August 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28712888/is-concealed-epispadias-a-rare-variant
#14
Ahmed Shahat, Ahmed S Safwat, Ahmad Elderwy, Islam F Abdelkawi, Ahmad Elbadry I Abonnoor, Mohamed F Abdelhafez, Ahmed Moeen, Hisham Hammouda
OBJECTIVE: To present our experience with concealed epispadias and to estimate its actual share in the isolated male epispadias cases and its effect on the surgical outcome. MATERIALS AND METHODS: Consecutive patients with isolated male epispadias treated in our center between 2008 and 2015 were classified into concealed and classic epispadias. The two groups were compared regarding age at presentation, meatal location, incontinence, dorsal curvature, success rate and complications...
July 13, 2017: Urology
https://www.readbyqxmd.com/read/28690901/use-of-cone-beam-computed-tomography-in-the-diagnosis-and-treatment-of-an-unusual-canine-abnormality
#15
Archana Gopalakrishnan, K Unnikrishna, Anita Balan, P S Haris
Diagnosis and treatment planning are important for successful endodontic treatment. We report a 24-year old male who presented to the Government Dental College in Kozhikode, Kerala, India, in 2015 with pain in his right upper canine. A digital periapical radiograph indicated the presence of a supernumerary tooth superimposing the root of the canine. However, cone-beam computed tomography (CBCT) confirmed that the supernumerary tooth was an illusion and that the canine root had a sharp invagination involving the labial and pulpal dentin surfaces, with evidence of periapical bone destruction...
May 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28685109/zno-nanoparticles-sensitized-by-cuinzn-x-s2-x-quantum-dots-as-highly-efficient-solar-light-driven-photocatalysts
#16
Florian Donat, Serge Corbel, Halima Alem, Steve Pontvianne, Lavinia Balan, Ghouti Medjahdi, Raphaël Schneider
Alloyed CuInZn x S2+x (ZCIS) quantum dots (QDs) were successfully associated to ZnO nanoparticles by a thermal treatment at 400 °C for 15 min. The ZnO/ZCIS composite was characterized by TEM, SEM, XRD, XPS and UV-vis absorption spectroscopy. ZCIS QDs, with an average diameter of ≈4.5 nm, were found to be homogeneously distributed at the surface of ZnO nanoparticles. ZCIS-sensitized ZnO nanoparticles exhibit a high photocatalytic activity under simulated solar light irradiation for the degradation of Orange II dye (>95% degradation after 180 min of irradiation at an intensity of 5 mW/cm(2))...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28672037/high-acceptability-of-rapid-hiv-self-testing-among-a-diverse-sample-of-msm-from-buenos-aires-argentina
#17
Maria A Pando, Curtis Dolezal, Rubén O Marone, Victoria Barreda, Alex Carballo-Diéguez, Maria M Avila, Ivan C Balán
INTRODUCTION: The objective of this study was to explore the acceptability of rapid HIV self-testing (RHST) among men who have sex with men (MSM). METHODS: During 2006-2009, a sample of 500 MSM was recruited through Respondent Driven Sampling for an HIV prevalence/incidence study. Attitude toward RHST was explored among HIV negative MSM. Data were weighted prior to analyses. RESULTS: Participants reported they were likely to buy RHST (74%), test themselves more frequently than they currently do (77%), and that the procedure would simplify testing (70%)...
2017: PloS One
https://www.readbyqxmd.com/read/28654862/biopolymer-zein-coated-gold-nanoparticles-synthesis-antibacterial-potential-toxicity-and-histopathological-effects-against-the-zika-virus-vector-aedes-aegypti
#18
Periyakaruppan Suganya, Baskaralingam Vaseeharan, Sekar Vijayakumar, Banumathi Balan, Marimuthu Govindarajan, Naiyf S Alharbi, Shine Kadaikunnan, Jamal M Khaled, Giovanni Benelli
The control of multidrug-resistant bacteria as well as insect pests and vectors is timely and important now a days. The present study was designed to evaluate the in vitro antibacterial, antibiofilm and mosquito larvicidal effects of gold nanoparticles synthesized using the zein biopolymer (Ze-AuNPs) against Gram positive (Bacillus pumilus and Bacillus subtilis), Gram negative (Shigella sonnei and Pseudomonas aeruginosa) bacteria and third instar larvae of the dengue and Zika virus vector Aedes aegypti. The synthesized Ze-AuNPs were characterized by UV-vis spectroscopy, X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM)...
June 17, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28650766/murine-mesenchymal-cells-that-express-elevated-levels-of-the-cdk-inhibitor-p16-ink4a-in-vivo-are-not-necessarily-senescent
#19
David Frescas, Brandon Hall, Evguenia Strom, Lauren P Virtuoso, Mahima Gupta, Anatoli S Gleiberman, Elena Rydkina, Vitaly Balan, Slavoljub Vujcic, Olga B Chernova, Andrei V Gudkov
Age-related health decline has been attributed to the accumulation of senescent cells recognized in vivo by p16(Ink4a) expression. The pharmacological elimination of p16(Ink4a)-positive cells from the tissues of mice was shown to extend a healthy lifespan. Here, we describe a population of mesenchymal cells isolated from mice that are highly p16(INK4a)-positive are proficient in proliferation but lack other properties of cellular senescence. These data, along with earlier reports on p16(Ink4a)-positive macrophages, indicate that p16(Ink4a)-positive and senescent cell populations only partially intersect, therefore, extending the list of potential cellular targets for anti- aging therapies...
June 26, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28621954/van-der-waals-contribution-to-the-relative-stability-of-aqueous-zn-2-coordination-states
#20
Manoj Ducher, Fabio Pietrucci, Etienne Balan, Guillaume Ferlat, Lorenzo Paulatto, Marc Blanchard
Many properties of aqueous cations depend on their coordination state. However, the lack of long-range order and the dynamic character of aqueous solutions make it difficult to obtain information beyond average coordination parameters. A thorough understanding of the molecular-scale environment of aqueous cations usually requires a combination of experimental and theoretical approaches. In the case of Zn(2+), significant discrepancies occur among theoretical investigations based on first-principles molecular dynamics (FPMD) or free-energy calculations, although experimental data consistently point to a dominant hexaaquo-zinc complex (Zn[H2O]6)(2+) in pure water...
June 28, 2017: Journal of Chemical Theory and Computation
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