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https://www.readbyqxmd.com/read/28651220/clozapine-versus-other-antipsychotics-during-the-first-18-weeks-of-treatment-a-retrospective-study-on-risk-factor-increase-of-blood-dyscrasias
#1
Michele Fabrazzo, Vincenzo Prisco, Gaia Sampogna, Francesco Perris, Francesco Catapano, Alessio Maria Monteleone, Mario Maj
Blood dyscrasias excluding agranulocytosis received limited attention in antipsychotic-treated patients during the first 18 weeks of therapy, although severe clinical conditions have been reported in a few cases. We extracted data records of 285 Caucasian patients after 18 weeks of antipsychotic treatments to investigate risk factors of blood dyscrasias. We observed a higher risk to develop both transient and persistent anemia, neutrophilia and eosinophilia in clozapine-treated patients, whereas in those treated with other atypical antipsychotics when compared to a reference group under typical antipsychotics, emerged an increased risk for transient neutrophilia and eosinophilia...
June 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28651010/macrophages-but-not-neutrophils-are-critical-for-proliferation-of-burkholderia-cenocepacia-and-ensuing-host-damaging-inflammation
#2
Jennifer Mesureur, Joana R Feliciano, Nelly Wagner, Margarida C Gomes, Lili Zhang, Monica Blanco-Gonzalez, Michiel van der Vaart, David O'Callaghan, Annemarie H Meijer, Annette C Vergunst
Bacteria of the Burkholderia cepacia complex (Bcc) can cause devastating pulmonary infections in cystic fibrosis (CF) patients, yet the precise mechanisms underlying inflammation, recurrent exacerbations and transition from chronic stages to acute infection and septicemia are not known. Bcc bacteria are generally believed to have a predominant extracellular biofilm life style in infected CF lungs, similar to Pseudomonas aeruginosa, but this has been challenged by clinical observations which show Bcc bacteria predominantly in alveolar macrophages...
June 26, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28650966/insecticide-resistance-to-permethrin-and-malathion-and-associated-mechanisms-in-aedes-aegypti-mosquitoes-from-st-andrew-jamaica
#3
Sheena Francis, Karla Saavedra-Rodriguez, Rushika Perera, Mark Paine, William C Black, Rupika Delgoda
The emergence of novel diseases spread by the Aedes aegypti mosquito in Jamaica and the Caribbean, has prompted studies on insecticide resistance towards effective management of the vector. Though Jamaica has been using the organophosphate insecticide malathion in its vector control program for more than 30 years, resistance to the pesticide has not been tested in over a decade. We analyzed resistance to malathion and the pyrethroid insecticide, permethrin on mosquitoes collected across St. Andrew, Jamaica, and analyzed the molecular basis of resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28650958/dynamics-and-impact-of-homologous-recombination-on-the-evolution-of-legionella-pneumophila
#4
Sophia David, Leonor Sánchez-Busó, Simon R Harris, Pekka Marttinen, Christophe Rusniok, Carmen Buchrieser, Timothy G Harrison, Julian Parkhill
Legionella pneumophila is an environmental bacterium and the causative agent of Legionnaires' disease. Previous genomic studies have shown that recombination accounts for a high proportion (>96%) of diversity within several major disease-associated sequence types (STs) of L. pneumophila. This suggests that recombination represents a potentially important force shaping adaptation and virulence. Despite this, little is known about the biological effects of recombination in L. pneumophila, particularly with regards to homologous recombination (whereby genes are replaced with alternative allelic variants)...
June 26, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28650384/incident-reporting-in-emergency-medicine-a-thematic-analysis-of-events
#5
Emily Loving Aaronson, David Brown, Theodore Benzer, Shaw Natsui, Elizabeth Mort
BACKGROUND: Incident reporting is a recognized tool for healthcare quality improvement. These systems, which aim to capture near-misses and harm events, enable organizations to gather critical information about failure modes and design mitigation strategies. Although many hospitals have employed these systems, little is known about safety themes in emergency medicine incident reporting. Our objective was to systematically analyze and thematically code 1 year of incident reports. METHODS: A mixed-methods analysis was performed on 1 year of safety reporting data from a large, urban tertiary-care emergency department using a modified grounded theory approach...
June 22, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28649887/has-the-new-kirkpatrick-generation-built-a-better-hammer-for-our-evaluation-toolbox
#6
Katherine A Moreau
Although Kirkpatrick's original outcome-focused model is widely used to evaluate medical education programs, it is subject to criticism. To combat this criticism and address the complexities of learning environments, the New World Kirkpatrick Model has emerged. This brief article describes key aspects of the New World Kirkpatrick Model for program evaluation. Specifically, it highlights three major criticisms of Kirkpatrick's original model and discusses the ways in which this new model attempts to rebut them...
June 26, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28649808/development-of-a-real-time-loop-mediated-isothermal-amplification-assay-for-detection-of-burkholderia-mallei
#7
V Pal, A Saxena, S Singh, A K Goel, J S Kumar, M M Parida, G P Rai
Burkholderia mallei is the aetiological agent of glanders, a highly contagious and re-emerging zoonotic disease. Early diagnosis of glanders is critically important to ensure timely treatment with appropriate antibiotics in humans, and to prevent spread of infection in animals. Molecular detection of B. mallei has always been troublesome because of its genetic similarity with Burkholderia pseudomallei, the causative agent of melioidosis. In present investigation, a set of six B. mallei-specific primers were designed and a simple, rapid, specific and sensitive real-time loop-mediated isothermal amplification (LAMP) assay was developed for detection of B...
June 25, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28649604/combined-immunotherapy-with-anti-insulin-resistance-therapy-as-a-novel-therapeutic-strategy-against-neurodegenerative-diseases
#8
Yoshiki Takamatsu, Gilbert Ho, Wakako Koike, Shuei Sugama, Takato Takenouchi, Masaaki Waragai, Jianshe Wei, Kazunari Sekiyama, Makoto Hashimoto
Protein aggregation is a pathological hallmark of and may play a central role in the neurotoxicity in age-associated neurodegenerative diseases, such as Alzheimer's disease and Parkinson's disease. Accordingly, inhibiting aggregation of amyloidogenic proteins, including amyloid β and α-synuclein, has been a main therapeutic target for these disorders. Among various strategies, amyloid β immunotherapy has been extensively investigated in Alzheimer's disease, followed by similar studies of α-synuclein in Parkinson's disease...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28649237/outer-membrane-vesicles-omvs-of-gram-negative-bacteria-a-perspective-update
#9
REVIEW
Arif Tasleem Jan
Outer Membrane Vesicles (OMVs) of Gram-negative bacteria are spherical membrane-enclosed entities of endocytic origin. Reported in the consortia of different bacterial species, production of OMVs into extracellular milieu seems essential for their survival. Enriched with bioactive proteins, toxins, and virulence factors, OMVs play a critical role in the bacteria-bacteria and bacteria-host interactions. Emergence of OMVs as distinct cellular entities helps bacteria in adaptating to diverse niches, in competing with other bacteria to protect members of producer species and more importantly play a crucial role in host-pathogen interaction...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28648826/attentional-modulation-of-neuronal-activity-depends-on-neuronal-feature-selectivity
#10
Jacqueline R Hembrook-Short, Vanessa L Mock, Farran Briggs
Attention exerts a powerful influence on visual perception. The impact of attention on neuronal activity manifests at early visual information processing stages and progressively increases throughout the visual cortical hierarchy. However, the neuronal mechanisms of attention are unresolved. In particular, the rules governing attentional modulation of individual neurons, whether they are facilitated by or suppressed by attention, are not known. To obtain a more granular or neuron- and circuit-level understanding of the mechanisms of attention and to directly test the feature similarity gain model in V1, we compared attentional modulation with neuronal feature selectivity across a large population of V1 neurons in alert and behaving macaque monkeys trained on an attention-demanding contrast-change detection task...
June 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28648651/the-impact-of-functional-status-on-the-outcomes-of-endovascular-lower-extremity-revascularization-for-critical-limb-ischemia-in-the-elderly
#11
Isidore Dinga Madou, Martin D Slade, Kristine C Orion, Timur Sarac, Cassius Iyad Ochoa Chaar
INTRODUCTION: Functional status is an important predictor of outcomes after infrainguinal bypass surgery. There is little data on the effect of functional status on the outcomes of endovascular LE interventions, especially in the elderly frail population. METHODS: This is a retrospective analysis of the American College of Surgeons - National Surgical Quality Improvement Program (ACS-NSQIP) files for the years 2011-2013 to assess the impact of functional status on outcome after endovascular intervention for critical limb ischemia...
June 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28648522/are-children-born-with-birth-defects-at-increased-risk-of-injuries-in-early-childhood
#12
Rachel E Rutkowski, Jason L Salemi, Jean Paul Tanner, Suzanne Anjohrin, Philip Cavicchia, Heather Lake-Burger, Russell S Kirby
OBJECTIVE: To investigate the extent to which children with birth defects experience differential likelihood of various injuries and injury-related hospitalizations in early childhood. STUDY DESIGN: The Florida Birth Defects Registry was used to identify infants born 2006-2010 with select birth defects. Injury matrices were used to detect injuries in inpatient, ambulatory, and emergency department admissions for each infant up to their third birthday. χ(2)tests were used to compare sociodemographic and perinatal characteristics of children, by presence of an injury-related hospital admission...
June 22, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28648096/nad-h-and-nadp-h-redox-couples-and-cellular-energy-metabolism
#13
Wusheng Xiao, Rui-Sheng Wang, Diane E Handy, Joseph Loscalzo
SIGNIFICANCE: The NAD+/NADH and NADP+/NADPH redox couples are essential for maintaining cellular redox homeostasis and for modulating numerous biological events, including cellular metabolism. Deficiency or imbalance of these two redox couples has been associated with many pathological disorders. Recent Advances: Newly-identified biosynthetic enzymes and newly-developed genetically encoded biosensors enable us to understand better how cells maintain compartmentalized NAD(H) and NADP(H) pools...
June 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28647886/wnt-signaling-in-ewing-sarcoma-osteosarcoma-and-malignant-peripheral-nerve-sheath-tumors
#14
REVIEW
Matthew G Pridgeon, Patrick J Grohar, Matthew R Steensma, Bart O Williams
PURPOSE OF REVIEW: Wnt signaling plays a central role in development and homeostasis, and its dysregulation is a common event in many types of human cancer. Here we explore in detail the contributions of Wnt signaling to the initiation and maintenance of three types of saroma: Ewing sarcoma, osteosarcoma, and malignant peripheral nerve sheath tumors. This review provides an overview of the Wnt signaling pathway and explores in detail the current knowledge about its role in the initiation or maintenance of three tumor types: Ewing sarcoma, osteosarcoma, and malignant peripheral nerve sheath tumors...
June 24, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28647857/ros-modulated-therapeutic-approaches-in-cancer-treatment
#15
REVIEW
Muhammad Hassan Raza, Sami Siraj, Abida Arshad, Usman Waheed, Fahad Aldakheel, Shatha Alduraywish, Muhammad Arshad
PURPOSE: Reactive oxygen species (ROS) are produced in cancer cells as a result of increased metabolic rate, dysfunction of mitochondria, elevated cell signaling, expression of oncogenes and increased peroxisome activities. Certain level of ROS is required by cancer cells, above or below which lead to cytotoxicity in cancer cells. This biochemical aspect can be exploited to develop novel therapeutic agents to preferentially and selectively target cancer cells. METHODS: We searched various electronic databases including PubMed, Web of Science, and Google Scholar for peer-reviewed english-language articles...
June 24, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28647567/stearoyl-coa-desaturase-regulates-sorafenib-resistance-via-modulation-of-er-stress-induced-differentiation
#16
Mark Kin Fai Ma, Eunice Yuen Ting Lau, Doris Hoi Wing Leung, Jessica Lo, Nicole Pui Yu Ho, Lily Kwan Wai Cheng, Stephanie Ma, Chi Ho Lin, John A Copland, Jin Ding, Regina Cheuk Lam Lo, Irene Oi Lin Ng, Terence Kin Wah Lee
We investigated the functional role and clinical significance of Stearoyl CoA desaturase-1 (SCD1) mediated endoplasmic reticulum (ER) stress in regulation of liver tumor-initiating cells (T-ICs) and sorafenib resistance, aiming to develop a novel therapeutic strategy against hepatocellular carcinomas (HCCs) METHODS We evaluated the clinic-pathological relevance of SCD1 and its correlation with sorafenib resistance in large cohorts of HCC clinical samples by qPCR and immunohistochemical analyses. Lentiviral-based overexpression and knockdown approaches were performed to characterize functional roles of SCD1 in regulation of liver T-ICs and sorafenib resistance...
June 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28647137/apneic-oxygenation-reduces-the-incidence-of-hypoxemia-during-emergency-intubation-a-systematic-review-and-meta-analysis
#17
REVIEW
Ivan Pavlov, Sofia Medrano, Scott Weingart
STUDY OBJECTIVE: Apneic oxygenation has been advocated for the prevention of hypoxemia during emergency endotracheal intubation. Because of conflicting results from recent trials, the efficacy of apneic oxygenation remains unclear. We performed a systematic review and meta-analysis to investigate the effect of apneic oxygenation on the incidence of clinically significant hypoxemia during emergency endotracheal intubation. METHODS: MEDLINE, EMBASE, and PubMed databases were searched without language and time restrictions for studies of apneic oxygenation performed in a critical care setting...
June 15, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28646913/interplay-between-craniofacial-stem-cells-and-immune-stimulus
#18
REVIEW
Ruili Yang, Tingting Yu, Yanheng Zhou
Craniofacial mesenchymal stem cells (MSCs), isolated from an abundant and accessible source of craniofacial tissues, possess self-renewal and multilineage differentiation potential. It has been reported that craniofacial MSCs show elevated proliferation and regeneration capacities compared to bone marrow mesenchymal stem cells (BMMSCs). Furthermore, the immunomodulatory property has generated an emerging multidisciplinary research field that translates MSC-based therapies to the clinic for the treatment of inflammatory and autoimmune diseases...
June 24, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28646446/innovations-in-the-endovascular-management-of-critical-limb-ischemia-retrograde-tibiopedal-access-and-advanced-percutaneous-techniques
#19
REVIEW
Jihad A Mustapha, Larry J Diaz-Sandoval, Fadi Saab
PURPOSE OF REVIEW: Retrograde tibiopedal access and interventions have contributed to advance of endovascular techniques to treat critical limb ischemia (CLI) patients. This review encompasses the spectrum from advanced diagnostic imaging and technical therapeutic approaches for infrapopliteal occlusions, to a discussion of current standards and future directions. RECENT FINDINGS: Contemporary studies of infrapopliteal angioplasty show suboptimal short-term and 1-year clinical outcomes...
August 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28646357/management-of-hyperglycemia-and-diabetes-in-the-emergency-department
#20
REVIEW
Justin B Echouffo-Tcheugui, Rajesh Garg
PURPOSE OF REVIEW: Hyperglycemia in the emergency department (ED) is being recognized as a public health problem and presents a clinical challenge. This review critically summarizes available evidence on the burden, etiology, diagnosis, and practical management strategies for hyperglycemia in the ED. RECENT FINDINGS: Diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar state (HHS) are hyperglycemic emergencies that commonly present to the ED. However, the most common form of hyperglycemia in ED is associated with non-hyperglycemic medical emergencies...
August 2017: Current Diabetes Reports
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