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https://www.readbyqxmd.com/read/28441136/electronic-cigarettes-the-lesser-of-two-evils-but-how-much-less
#1
EDITORIAL
Steven D Shapiro, Ata Murat Kaynar
No abstract text is available yet for this article.
December 2016: Thorax
https://www.readbyqxmd.com/read/28441029/variable-susceptibility-to-cigarette-smoke-induced-emphysema-in-34-inbred-strains-of-mice-implicates-abi3bp-in-emphysema-susceptibility
#2
Josiah E Radder, Alyssa D Gregory, Adriana S Leme, Michael H Cho, Yanxia Chu, Neil J Kelly, Per Bakke, Amund Gulsvik, Augusto A Litonjua, David Sparrow, Terri H Beaty, James D Crapo, Edwin K Silverman, Yingze Zhang, Annerose Berndt, Steven D Shapiro
RATIONALE: Chronic obstructive pulmonary disease (COPD) is caused by a complex interaction of environmental exposures, most commonly cigarette smoke, and genetic factors. Chronic cigarette smoke exposure in the mouse is a commonly used animal model of COPD. We aimed to expand our knowledge of the variable susceptibility of inbred strains to this model and test for genetic variants associated with this trait. OBJECTIVE: To measure differential susceptibility to cigarette smoke-induced emphysema in the mouse, identify genetic loci associated with this quantitative trait, and find homologous human genes associated with COPD...
April 25, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28440953/immunotherapy-with-single-agent-nivolumab-for-advanced-leiomyosarcoma-of-the-uterus-results-of-a-phase-2-study
#3
Eytan Ben-Ami, Constance M Barysauskas, Sarah Solomon, Kadija Tahlil, Rita Malley, Melissa Hohos, Kathleen Polson, Margaret Loucks, Mariano Severgnini, Tara Patel, Amy Cunningham, Scott J Rodig, F Stephen Hodi, Jeffrey A Morgan, Priscilla Merriam, Andrew J Wagner, Geoffrey Shapiro, Suzanne George
BACKGROUND: Immunotherapy has changed the therapeutic landscape in oncology. Advanced uterine leiomyosarcoma (ULMS) remains an incurable disease in most cases, and despite new drug approvals, improvements in overall survival have been modest at best. The goal of this study was to evaluate programmed-death 1 (PD-1) inhibition with nivolumab in this patient population. METHODS: This single-center phase 2 trial completed enrollment between May and October 2015. Patients received 3 mg/kg of intravenous nivolumab on day 1 of each 2-week cycle until disease progression or unacceptable toxicity...
April 25, 2017: Cancer
https://www.readbyqxmd.com/read/28440833/structure-function-studies-of-acinetobactin-analogs
#4
Justin A Shapiro, Timothy A Wencewicz
Pathogenic Acinetobacter baumannii excrete the siderophore pre-acinetobactin as an iron-scavenging virulence factor. Pre-acinetobactin is a 2,3-dihydroxy-phenyl oxazoline that undergoes pH-dependent isomerization to the isooxazolidinone form acinetobactin in order to expand the pH range for iron acquisition by A. baumannii. In this study we establish important structure-function relationships for the kinetics of isomerization, iron(iii) binding, and siderophore utilization by A. baumannii. We showed that electronic properties of the phenyl oxazoline influence isomerization kinetics and iron(iii) binding...
April 25, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28436401/effects-of-amplitude-and-phase-duration-modification-on-electrically-induced-contraction-force-and-discomfort
#5
Shmuel Springer, Maxim Shapiro
BACKGROUND: Neuromuscular electrical stimulation (NMES) is commonly used in rehabilitation. However, the optimal combination of phase-duration and amplitude for enhancing motor output is not yet resolved. OBJECTIVE: To test the effects of increasing phase-duration and amplitude on isometric knee extension force and discomfort, while controlling the effects of electrode-skin resistance and body mass index (BMI). METHODS: Twenty-one healthy volunteers participated in the study...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28435081/a-multiple-streams-analysis-of-the-decisions-to-fund-gender-neutral-hpv-vaccination-in-canada
#6
REVIEW
Gilla K Shapiro, Juliet Guichon, Gillian Prue, Samara Perez, Zeev Rosberger
In Canada, the human papillomavirus (HPV.) vaccine is licensed and recommended for females and males. Although all Canadian jurisdictions fund school-based HPV vaccine programs for girls, only six jurisdictions fund school-based HPV vaccination for boys. The research aimed to analyze the factors that underpin government decisions to fund HPV vaccine for boys using a theoretical policy model, Kingdon's Multiple Streams framework. This approach assesses policy development by examining three concurrent, but independent, streams that guide analysis: Problem Stream, Policy Stream, and Politics Stream...
April 20, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28434386/flibanserin-the-female-viagra
#7
Desiree Shapiro, Deanna Stevens, Stephen M Stahl
This article provides a clinically relevant review of the first medication approved by the US Food and Drug Administration for hypoactive sexual desire disorder (HSDD) in premenopausal women. In this short piece, the human sexual response cycle and its relevance to HSDD will be described as well as the pharmacological mechanism of action of flibanserin. Finally, efficacy and safety data of this new medication will be summarised.
April 24, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28434051/evidence-of-a-link-between-fever-and-microscopic-hematuria-in-children
#8
Rama Schwartz, Rotem Distal, Arthur Shapiro, Yehezkel Waisman
Despite the common conception that febrile illnesses are associated with microscopic hematuria in children, a review of the literature failed to disclose supportive evidence. The aim of this study was to evaluate this relationship. Background data were collected for a convenience sample of children aged 4-18 years who presented to the emergency department (ED) of a tertiary pediatric medical center. Vital signs were measured and a midstream urine specimen was collected. Specimens positive for the presence of blood (>5 erythrocytes/μl; Combur 10 Test Strips) were examined microscopically...
April 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28433626/thrombin-impairs-human-endometrial-endothelial-angiogenesis-implications-for-progestin-only-contraceptive-induced-abnormal-uterine-bleeding
#9
John P Shapiro, Ozlem Guzeloglu-Kayisli, Umit A Kayisli, Nihan Semerci, S Joseph Huang, Sefa Arlier, Kellie Larsen, Paolo Fadda, Frederick Schatz, Charles J Lockwood
OBJECTIVE: Progestin-only contraceptives induce abnormal uterine bleeding, accompanied by pro-thrombin leakage from dilated endometrial microvessels and increased thrombin generation by human endometrial stromal cell (HESC)-expressed tissue factor. Initial studies of the thrombin-treated HESC secretome identified elevated levels of cleaved chondroitin sulfate proteoglycan 4 (CSPG4), impairing pericyte-endothelial interactions. Thus, we investigated direct and CSPG4-mediated effects of thrombin in eliciting abnormal uterine bleeding by disrupting endometrial angiogenesis...
April 19, 2017: Contraception
https://www.readbyqxmd.com/read/28432850/a-detailed-experimental-study-of-a-dna-computer-with-two-endonucleases
#10
Sebastian Sakowski, Tadeusz Krasiński, Joanna Sarnik, Janusz Blasiak, Jacek Waldmajer, Tomasz Poplawski
Great advances in biotechnology have allowed the construction of a computer from DNA. One of the proposed solutions is a biomolecular finite automaton, a simple two-state DNA computer without memory, which was presented by Ehud Shapiro's group at the Weizmann Institute of Science. The main problem with this computer, in which biomolecules carry out logical operations, is its complexity - increasing the number of states of biomolecular automata. In this study, we constructed (in laboratory conditions) a six-state DNA computer that uses two endonucleases (e...
April 22, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28427554/clinical-and-hemodynamic-improvements-after-adding-ambrisentan-to-background-pde5i-therapy-in-patients-with-pulmonary-arterial-hypertension-exhibiting-a-suboptimal-therapeutic-response-athena-1
#11
Shelley Shapiro, Fernando Torres, Jeremy Feldman, Anne Keogh, Martine Allard, Christiana Blair, Hunter Gillies, James Tislow, Ronald J Oudiz
OBJECTIVE: Pulmonary arterial hypertension (PAH) is a condition which may lead to right ventricular failure and premature death. While recent data supports the initial combination of ambrisentan (a selective ERA) and tadalafil (a PDE5i) in functional class II or III patients, there is no published data describing the safety and efficacy of ambrisentan when added to patients currently receiving a PDE5i and exhibiting a suboptimal response. The ATHENA-1 study describes the safety and efficacy of the addition of ambrisentan in this patient population...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28424138/comparative-analysis-of-the-paravertebral-analgesic-pump-catheter-with-the-epidural-catheter-in-elderly-trauma-patients-with-multiple-rib-fractures
#12
Brian S Shapiro, Tarik Wasfie, Mathew Chadwick, Kimberly R Barber, Raquel Yapchai
Presently, trauma guidelines recommend epidural analgesia as the optimal modality of pain relief from rib fractures. They are not ideally suited for elderly trauma patients and have disadvantages including bleeding risk. The paravertebral analgesic pump (PVP) eliminates such disadvantages and includes ease of placement in the trauma setting. This study compares pain control in patients treated by EPI versus PVP. This is a retrospective, historical cohort study comparing two methods of pain management in the trauma setting...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28422766/an-immunoscore-using-pd-l1-cd68-and-tumor-infiltrating-lymphocytes-tils-to-predict-response-to-neoadjuvant-chemotherapy-in-invasive-breast-cancer
#13
Lauren E McLemore, Murali Janakiram, Joseph Albanese, Nella Shapiro, Yungtai Lo, Xingxing Zang, Susan Fineberg
Response to neoadjuvant chemotherapy (NAC) in invasive breast cancer (IBC) is partly regulated by the immune microenvironment. We evaluated immune checkpoint PD-L1 expression, presence of CD68+ cells of macrophage/monocytic lineage and stromal tumor-infiltrating lymphocytes (TILs) in prechemotherapy biopsies and correlated with NAC response. We studied 76 cases of IBC. Prechemotherapy biopsies with >30% TILs were considered lymphocyte-rich IBC. We performed immunohistochemistry for PD-L1 and CD68. Prechemotherapy cores showing >1% PD-L1+ immune or tumor cells were considered positive...
April 18, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28420260/the-safety-of-nonadjunctive-use-of-continuous-glucose-monitors-for-insulin-dosing-still-not-resolved
#14
Alan R Shapiro
No abstract text is available yet for this article.
April 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28419992/extended-small-dose-platelet-transfusions-in-multitransfused-hemato-oncological-patients-a-single-center-experience
#15
Anna Gurevich-Shapiro, Sharon Tzadok, Alina Rosenberg, Aida Inbal, Michal Bar-Natan, Ofir Wolach, Pia Raanani
BACKGROUND: Refractoriness to platelet transfusion, prevalent among 15-20% of hemato-oncological patients, is associated with multitransfusions and inferior outcomes. We evaluated the effectiveness of extended slow-dose transfusion (ESDT) in increasing platelet increments in multitransfused patients. METHODS: Patients treated after the implementation of ESDT were compared with historical controls treated with standard single-donor platelet (SDP) transfusions. Cohorts of early and late recipients were assembled for comparison, i...
April 19, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28419480/characterization-of-neutropenia-in-advanced-cancer-patients-following-palbociclib-treatment-using-a-population-pharmacokinetic-pharmacodynamic-modeling-and-simulation-approach
#16
Wan Sun, Peter J O'Dwyer, Richard S Finn, Ana Ruiz-Garcia, Geoffrey I Shapiro, Gary K Schwartz, Angela DeMichele, Diane Wang
Neutropenia is the most commonly reported hematologic toxicity following treatment with palbociclib, a cyclin-dependent kinase 4/6 inhibitor approved for metastatic breast cancer. Using data from 185 advanced cancer patients receiving palbociclib in 3 clinical trials, a pharmacokinetic-pharmacodynamic model was developed to describe the time course of absolute neutrophil count (ANC) and quantify the exposure-response relationship for neutropenia. These analyses help in understanding neutropenia associated with palbociclib and its comparison with chemotherapy-induced neutropenia...
April 18, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28418523/neurocognitive-trajectory-of-boys-who-received-a-hematopoietic-stem-cell-transplant-at-an-early-stage-of-childhood-cerebral-adrenoleukodystrophy
#17
Elizabeth I Pierpont, Julie B Eisengart, Ryan Shanley, David Nascene, Gerald V Raymond, Elsa G Shapiro, Rich S Ziegler, Paul J Orchard, Weston P Miller
Importance: Untreated childhood cerebral adrenoleukodystrophy (cALD) is a fatal disease associated with progressive cerebral demyelination and rapid, devastating neurologic decline. The standard of care to enhance long-term survival and stabilize cerebral disease is a hematopoietic stem cell transplant (HSCT). Neurologic outcomes are better when HSCT occurs at an earlier stage of cALD, yet there is limited understanding of the neurocognitive trajectory of patients who undergo HSCT. Objectives: To characterize neurocognitive outcomes of boys with cALD and early-stage cerebral disease who were treated with an allogeneic HSCT and to identify disease- and treatment-related factors associated with long-term functioning...
April 17, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28414874/in-vitro-evaluation-of-the-influence-of-velocity-on-sliding-resistance-of-stainless-steel-arch-wires-in-a-self-ligating-orthodontic-bracket
#18
F Savoldi, L Visconti, D Dalessandri, S Bonetti, J K H Tsoi, J P Matinlinna, C Paganelli
INTRODUCTION: Of the variables used by in vitro studies of resistance to sliding (RS) in orthodontics, sliding velocity (SV) of the wire is often the one farthest from its clinical counterpart. We investigated whether velocity influences the RS at values approximating the orthodontic movement. METHODS: A SS self-ligating bracket with a NiTi clip was fixed onto a custom-made model. Different shaped orthodontic SS wires of four sizes and two types (round, 0.020″ and 0...
May 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28414508/dissociating-affective-and-semantic-valence
#19
Oksana Itkes, Ruth Kimchi, Hadeel Haj-Ali, Avia Shapiro, Assaf Kron
We examined the possible dissociation between two modes of valence: affective valence (valence of e emotional response) and semantic valence (stored knowledge about valence of an object or event). In Experiment 1, 50 participants viewed affective pictures that were repeatedly presented while their facial electromyography (EMG) activation and heart rate response were continuously recorded. Half of the participants provided self-report ratings about the valence of their feelings and half about the valence of the stimulus...
April 17, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28413091/-what-we-have-here-is-a-failure-to-communicate-association-of-preferred-language-with-the-rate-of-psychiatric-consultation
#20
Stephanie G Cheung, Adrienne D Mishkin, Peter A Shapiro
BACKGROUND: In the United States, people with limited English proficiency (LEP) receive poorer medical care than those proficient in English. Few studies demonstrate how linguistic barriers complicate psychiatric care; in consultation-liaison (C-L) psychiatry, there are no published data about care disparities for patients with LEP or for whom English is not the preferred language (PL). OBJECTIVE: We sought to determine if PL affects the psychiatric consultation rate...
February 20, 2017: Psychosomatics
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