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https://www.readbyqxmd.com/read/28199478/evaluation-of-o6-benzylguanine-potentiated-topical-carmustine-for-mycosis-fungoides-a-phase-1-2-clinical-trial
#1
Joselin D Tacastacas, Derek V Chan, Sean Carlson, Stanton L Gerson, Afshin Dowlati, Pingfu Fu, Kurt Lu, Sarah Groft, Julie Rosenjack, Kord Honda, Thomas McCormick, Kevin D Cooper
Importance: In a phase 1 trial, single-dose O6-benzylguanine with topical carmustine for patients with early stage (stage IA through stage IIA) cutaneous T-cell lymphoma, mycosis fungoides (MF) type, resulted in clinical responses proportional to inhibition of O6-alkylguanine DNA alkyltransferase activity, but a maximum tolerated dose (MTD) was not reached. Objective: To determine whether dose escalation of carmustine in combination with dual-dose O6-benzylguanine to prolong alkyltransferase inhibition could reach an MTD...
February 15, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28193891/mapping-evaporative-water-loss-in-desert-passerines-reveals-an-expanding-threat-of-lethal-dehydration
#2
Thomas P Albright, Denis Mutiibwa, Alexander R Gerson, Eric Krabbe Smith, William A Talbot, Jacqueline J O'Neill, Andrew E McKechnie, Blair O Wolf
Extreme high environmental temperatures produce a variety of consequences for wildlife, including mass die-offs. Heat waves are increasing in frequency, intensity, and extent, and are projected to increase further under climate change. However, the spatial and temporal dynamics of die-off risk are poorly understood. Here, we examine the effects of heat waves on evaporative water loss (EWL) and survival in five desert passerine birds across the southwestern United States using a combination of physiological data, mechanistically informed models, and hourly geospatial temperature data...
February 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28185233/sympathetic-drive-stimulating-diastolic-dysfunction
#3
EDITORIAL
Saad S Ahmad, Myron C Gerson
Diastolic heart failure accounts for half of the heart failure population and its pathophysiology remains an area of active research. The renin angiotensin and aldosterone axis has been the focus of clinical trials to treat patients with heart failure with preserved ejection fraction, however with limited yield in terms of clinical success. Sympathetic activity has been considered a plausible cause for the molecular changes that lead to diastolic dysfunction. Based on this understanding the study by Gimelli et al uses MIBG to evaluate for association between diastolic dysfunction and sympathetic denervation...
February 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28181508/genome-wide-association-study-for-performance-traits-in-chickens-using-genotype-by-sequencing-approach
#4
Fábio Pértille, Gabriel Costa Monteiro Moreira, Ricardo Zanella, José de Ribamar da Silva Nunes, Clarissa Boschiero, Gregori Alberto Rovadoscki, Gerson Barreto Mourão, Mônica Corrêa Ledur, Luiz Lehmann Coutinho
Performance traits are economically important and are targets for selection in breeding programs, especially in the poultry industry. To identify regions on the chicken genome associated with performance traits, different genomic approaches have been applied in the last years. The aim of this study was the application of CornellGBS approach (134,528 SNPs generated from a PstI restriction enzyme) on Genome-Wide Association Studies (GWAS) in an outbred F2 chicken population. We have validated 91.7% of these 134,528 SNPs after imputation of missed genotypes...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28177746/preliminary-safety-analysis-of-high-intensity-interval-training-hiit-in-persons-with-chronic-stroke
#5
Daniel L Carl, Pierce Boyne, Bradley Rockwell, Myron Gerson, Jane Khoury, Brett Kissela, Kari Dunning
The purpose of this study was to assess safety via electrocardiographic (ECG), blood pressure (BP), heart rate (HR), and orthopedic responses to 3 different high-intensity interval training (HIIT) protocols in persons with stroke. Eighteen participants (10 male; 61.9 + 8.3 years of age; 5.8 + 4.2 years poststroke) completed a symptom-limited graded exercise test (GXT) with ECG monitoring to screen for eligibility and determine HR peak. The 3 HIIT protocols involved repeated 30 s bursts of treadmill walking at maximum speed alternated with rest periods of 30 s (P30), 1 min (P60), or 2 min (P120)...
November 21, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28175496/141%C3%A2-phase-i-trial-of-genetically-modified-hematopoietic-progenitor-cells-facilitate-bone-marrow-chemoprotection-and-enabling-tmz-o6bg-dose-escalation-resulting-in-improved-survival
#6
Andrew E Sloan, Hua Fung, Jane Reese, Lisa R Rogers, Christopher Murphay, Hillard Lazrus, Boro Dropulic, Stan L Gerson
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28167609/people
#7
(no author information available yet)
Steven K. Libutti, MD; David A. Tuveson, MD, PhD; and Stanton L. Gerson, MD, are featured.
February 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28164651/anti-desmoglein-1-and-3-autoantibody-levels-in-endemic-pemphigus-foliaceus-and-pemphigus-vulgaris-from-brazil
#8
Liana A Oliveira, Alfredo Marquart-Filho, Gerson Trevilato, Rodolfo P Timoteo, Maira Mukai, Ana M F Roselino, Maria L Petzl-Erler
BACKGROUND: Pemphigus is a group of autoimmune blistering diseases of which the major forms are pemphigus foliaceus (PF) and vulgaris (PV). In Brazil, PF occurs in an endemic form also known as fogo selvagem. The main autoantibody in PF is against desmoglein 1 (DSG1), while in PV the main antibody is anti-desmoglein 3 (DSG3), but often anti-DSG1 is also present. The aim of the present study was to analyze the levels of anti-DSG1 and antiDSG3 autoantibodies in Brazilian PF and PV patients, considering different stages of the disease for PF patients and comparing these levels to those of healthy individuals living in and outside the endemic regions...
July 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28155015/nitrofurantoin-safety-and-effectiveness-in-treating-acute-uncomplicated-cystitis-auc-in-hospitalized-adults-with-renal-insufficiency-antibiotic-stewardship-implications
#9
B A Cunha, C B Cunha, B Lam, J Giuga, J Chin, V F Zafonte, S Gerson
Nitrofurantoin remains a key oral antibiotic stewardship program (ASP) option in the treatment of acute uncomplicated cystitis (AUC) due to multi-drug resistant (MDR) Gram negative bacilli (GNB). However, there have been concerns regarding decreased nitrofurantoin efficacy with renal insufficiency. In our experience over the past three decades, nitrofurantoin has been safe and effective in treating AUC in hospitalized adults with renal insufficiency. Accordingly, we retrospectively reviewed our recent experience treating AUC in hospitalized adults with decreased renal function (CrCl < 60 ml/min) with nitrofurantoin...
February 2, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28146208/intima-media-thickness-in-the-carotid-and-femoral-arteries-for-detection-of-arteriosclerosis-in-human-immunodeficiency-virus-positive-individuals
#10
Emmanuelle Tenório Albuquerque Madruga Godoi, Carlos Teixeira Brandt, Heloisa Ramos Lacerda, Jocelene Tenório Albuquerque Madruga Godoi, Dinaldo Cavalcanti de Oliveira, Gabriela Farias Araujo Sousa Costa, Gerson Gomes Dos Santos Junior, Kaliene Maria Estevão Leite, Juannicelle Tenório Albuquerque Madruga Godoi, Adriana Ferraz de Vasconcelos
BACKGROUND: The prevalence of atherosclerosis is higher in HIV-positive people, who also experience it earlier than the general population. OBJECTIVES: To assess and compare the prevalence of atherosclerosis evaluated by the intima-media thickness of carotid and femoral arteries, and by the ankle-brachial pressure index (ABPI) in HIV patients treated or not treated with protease inhibitors (PIs) and controls. METHODS: Eighty HIV+ subjects (40 using PIs and 40 not using PIs) and 65 controls were included in the study...
January 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28108979/analysis-of-stress-only-imaging-comparing-upright-and-supine-czt-camera-acquisition-to-conventional-gamma-camera-images-with-and-without-attenuation-correction-with-coronary-angiography-as-a-reference
#11
Zenith A Jameria, Mouhamad Abdallah, Mariano Fernandez-Ulloa, Robert O'Donnell, Alok K Dwivedi, Erica Washburn, Naseer Khan, Mahyar Khaleghi, Nischelle Kalakota, Myron C Gerson
BACKGROUND: Diagnostic performance of stress-only imaging using a Cadmium-Zinc-Telluride (CZT) camera has not been directly compared in the same patients to stress-only attenuation-corrected conventional Anger camera images. METHODS: 112 subjects with correlative coronary angiographic data and 40 subjects with <5% pre-test likelihood of coronary disease completed attenuation-corrected stress-only images on a conventional Anger camera and uncorrected upright and supine stress images on a CZT camera...
January 20, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28107418/nf-kappab-is-involved-in-the-regulation-of-emt-genes-in-breast-cancer-cells
#12
Bruno R B Pires, Andre L Mencalha, Gerson M Ferreira, Waldemir F de Souza, José A Morgado-Díaz, Amanda M Maia, Stephany Corrêa, Eliana S F W Abdelhay
The metastatic process in breast cancer is related to the expression of the epithelial-to-mesenchymal transition transcription factors (EMT-TFs) SNAIL, SLUG, SIP1 and TWIST1. EMT-TFs and nuclear factor-κB (NF-κB) activation have been associated with aggressiveness and metastatic potential in carcinomas. Here, we sought to examine the role of NF-κB in the aggressive properties and regulation of EMT-TFs in human breast cancer cells. Blocking NF-κB/p65 activity by reducing its transcript and protein levels (through siRNA-strategy and dehydroxymethylepoxyquinomicin [DHMEQ] treatment) in the aggressive MDA-MB-231 and HCC-1954 cell lines resulted in decreased invasiveness and migration, a downregulation of SLUG, SIP1, TWIST1, MMP11 and N-cadherin transcripts and an upregulation of E-cadherin transcripts...
2017: PloS One
https://www.readbyqxmd.com/read/28105975/simultaneous-determination-of-first-line-4-fdc-antituberculosis-drugs-by-uhplc-uv-and-hplc-uv-a-comparative-study
#13
Pedro H C Franco, Paula R Chellini, Marcone A L Oliveira, Gerson A Pianetti
Tuberculosis is the second most deadly infectiousdisease, surpassed only by HIV/AIDS, and hasresulted in over 1 billion deaths in the last200 years. The World Health Organization estimatesthat in 2014, 9.6 million people were infected bythis disease and 1.5 million had died. First-choicetreatment consists of fixed-dose combinationtablets containing rifampicin, isoniazid,pyrazinamide, and ethambutol hydrochloride(4-FDC). There are pharmacopeial protocolsavailable to test 4-FDC, but they are prolonged,two-step methods...
January 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28105889/splenic-marginal-zone-lymphoma-excellent-outcomes-in-64-patients-treated-in-the-rituximab-era
#14
Adam G Starr, Paolo F Caimi, PingFu Fu, Mira R Massoud, Howard Meyerson, Eric D Hsi, David B Mansur, Sheen Cherian, Brenda W Cooper, Marcos J G De Lima, Hillard M Lazarus, Stanton L Gerson, Deepa Jagadeesh, Mitchell R Smith, Robert M Dean, Brad L Pohlman, Brian T Hill, Basem M William
OBJECTIVES AND METHODS: Splenic marginal zone lymphoma (SMZL) is a rare non-Hodgkin lymphoma. We sought to identify prognostic factors and define outcomes in a cohort of 64 patients with SMZL who were treated at two large academic medical centers in North America in the rituximab era. RESULTS: Over a median follow-up of 37.8 (range 6-167.1) months, Kaplan-Meier estimate of median OS was 156.3 months and median PFS was 52.9 months. On univariate analysis, baseline hemoglobin <12 g/dl was associated with inferior OS (p = 0...
January 20, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28103496/toddlers-action-prediction-statistical-learning-of-continuous-action-sequences
#15
Claire D Monroy, Sarah A Gerson, Sabine Hunnius
The current eye-tracking study investigated whether toddlers use statistical information to make anticipatory eye movements while observing continuous action sequences. In two conditions, 19-month-old participants watched either a person performing an action sequence (Agent condition) or a self-propelled visual event sequence (Ghost condition). Both sequences featured a statistical structure in which certain action pairs occurred with deterministic transitional probabilities. Toddlers learned the transitional probabilities between the action steps of the deterministic action pairs and made predictive fixations to the location of the next action in the Agent condition but not in the Ghost condition...
January 16, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28087167/lingering-questions-about-enhancer-rna-and-enhancer-transcription-coupled-genomic-instability
#16
REVIEW
Gerson Rothschild, Uttiya Basu
Intergenic and intragenic enhancers found inside topologically associated regulatory domains (TADs) express noncoding RNAs, known as enhancer RNAs (eRNAs). Recent studies have indicated these eRNAs play a role in gene regulatory networks by controlling promoter and enhancer interactions and topology of higher-order chromatin structure. Misregulation of enhancer and promoter associated noncoding RNAs (ncRNAs) could stabilize deleterious secondary DNA structures, noncoding RNA associated DNA/RNA hybrid formation, and promote collisions of transcription complexes with replisomes...
February 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28079402/sexual-dysfunction-in-premenopausal-women-could-be-related-to-hormonal-profile
#17
Fabiene Bernardes Castro Vale, Bruna Barbosa Coimbra, Gerson Pereira Lopes, Selmo Geber
Female sexual dysfunction (FSD) is a public health problem that affects women's quality of life. Although the relationship between some hormones and the FSD has been described, it is not well established for all hormones. Therefore, the aim of our study was to evaluate the association between hormonal dysfunction and sexual dysfunction in premenopausal women. We performed a cross-sectional study with 60 patients with regular menstrual cycles, with age ranging from 18 to 44 years, with previous diagnosis of FSD...
February 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28069475/retention-associated-with-video-capsule-endoscopy-systematic-review-and-meta-analysis
#18
REVIEW
Mona Rezapour, Chidi Amadi, Lauren Gerson
BACKGROUND: Video capsule endoscopy (VCE) has become a major diagnostic tool for small-bowel evaluation. However, retention of the video capsule endoscope remains a major concern. METHODS: We performed a systematic review of VCE retention rates using Pubmed and SCOPUS (1995-2015). We included studies that enrolled at least 10 subjects, included VCE retention rates, and separated retention rates by indication. We used Comprehensive Meta-Analysis (Version 3.0) to calculate pooled prevalence rates with 95% confidence intervals and assessed heterogeneity using Cochran's Q statistic...
January 6, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28060794/postnatal-human-enteric-neuronal-progenitors-can-migrate-differentiate-and-proliferate-in-embryonic-and-postnatal-aganglionic-gut-environments
#19
Lily S Cheng, Ryo Hotta, Hannah K Graham, Jaime Belkind-Gerson, Nandor Nagy, Allan M Goldstein
BACKGROUND: Enteric neural stem/progenitor cells (ENSCs) offer an innovative approach to treating Hirschsprung disease (HSCR) and other enteric neuropathies. However, postnatal-derived human ENSCs have not been thoroughly characterized and their behavior in the embryonic and postnatal intestinal environment is unknown. METHODS: ENSCs were isolated from the intestines of 25 patients undergoing bowel resection, including 7 children with HSCR. Neuronal differentiation and proliferation of ENSCs from submucosal and myenteric plexuses from patients with and without HSCR were characterized...
January 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28036310/comparison-of-hrm-analysis-and-three-rep-pcr-genomic-fingerprint-methods-for-rapid-typing-of-mrsa-at-a-brazilian-hospital
#20
COMPARATIVE STUDY
Giovana Carolina Bodnar, Heloísa Moreira Martins, Caio Ferreira De Oliveira, Alexandre Tadachi Morey, Eliandro Reis Tavares, Juscélio Donizete Cardoso, Marcia Regina Eches Perugini, Lucy Megumi Yamauchi Lioni, Sueli Fumie Yamada-Ogatta, Renata Katsuko Takayama Kobayashi, Gerson Nakazato
INTRODUCTION: Infections caused by multidrug-resistant bacteria are increasingly common and represent a serious problem for public health. Staphylococcus aureus is one of the major agents of infections, and methicillin-resistant S. aureus (MRSA) has spread worldwide. The aim of this study was to phenotypically and genotypically characterize 55 MRSAs isolated in the University Hospital of Londrina, Paraná, Brazil, during 2010. METHODOLOGY: Bacterial isolates were characterized based on their antimicrobial susceptibility profile, biofilm production capacity, and staphylococcal chromosome cassette mec (SCCmec) type...
December 30, 2016: Journal of Infection in Developing Countries
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