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https://www.readbyqxmd.com/read/28528288/cancer-atrial-fibrillation-and-stroke
#1
REVIEW
Tess Fitzpatrick, Marc Carrier, Grégoire Le Gal
Cancer patients appear to be at increased risk for atrial fibrillation. Although surgery and chemotherapy exacerbate this risk, this association is observed even in the absence of any cancer-specific treatment. The underlying mechanism of this is likely multifactorial, but systemic inflammation and autonomic dysregulation are hypothesized to play critical roles. Cancer and atrial fibrillation are both independent risk factors for ischemic stroke; however, it is not clear whether this translates to an increased risk of stroke in patients with both comorbidities...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28528282/management-options-in-the-treatment-of-femoral-pseudoaneurysms-secondary-to-intravenous-drug-abuse-a-case-series
#2
James Rammell, Nisheeth Kansal, Vish Bhattacharya
INTRODUCTION: Infected femoral pseudoaneurysms are a common presentation in intravenous drug users with little consensus as to the optimum management of these patients. Whilst emergency revascularisation options are available, excision and ligation of the femoral artery remains the most common operative intervention but risks leaving the patient with critical ischaemia or intermittent claudication. This case series reviewed the outcomes of 4 patients who underwent excision-ligation without revascularisation of an infected femoral pseudoaneurysm at a district general hospital...
May 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28527846/characterization-of-dental-pulp-myofibroblasts-in-rat-molars-after-pulpotomy
#3
Naoki Edanami, Nagako Yoshiba, Naoto Ohkura, Ryosuke Takeuchi, Aiko Tohma, Yuichiro Noiri, Kunihiko Yoshiba
INTRODUCTION: Myofibroblasts express alpha smooth muscle actin (α-SMA) and play a critical role in wound healing. Myofibroblast differentiation is controlled by the joint actions of transforming growth factor beta 1 (TGF-β1) and the extradomain A fibronectin splice variant (EDA-FN). Currently, the contribution of myofibroblasts to dental pulp healing is unknown. Therefore, we analyzed expressional characteristics of α-SMA-positive cells and investigated TGF-β1, EDA-FN, and α-SMA expression levels after pulpotomy to better understand dental pulp healing...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28527208/neuronal-expression-of-truncated-tau-efficiently-promotes-neurodegeneration-in-animal-models-pitfalls-of-toxic-oligomer-analysis
#4
Rostislav Skrabana, Branislav Kovacech, Peter Filipcik, Norbert Zilka, Santosh Jadhav, Tomas Smolek, Eva Kontsekova, Michal Novak
Animal models of neurodegeneration induced by neuronal expression of truncated tau protein emerge as an important tool for understanding the pathogenesis of human tauopathies and for therapy development. Here we highlight common features of truncated tau models and make a critical assessment of possible pitfalls in their analysis. Particularly, the amount of soluble tau oligomers, which are suspected to be neurotoxic agents participating on the spreading of pathology inside the brain, may be overestimated due to a post-lysis oxidative tau oligomerization...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526936/fingerprint-of-long-non-coding-rna-regulated-by-cyclic-mechanical-stretch-in-human-aortic-smooth-muscle-cells-implications-for-hypertension
#5
Laura-Eve Mantella, Krishna K Singh, Paul Sandhu, Crystal Kantores, Azza Ramadan, Nadiya Khyzha, Adrian Quan, Mohammed Al-Omran, Jason E Fish, Robert P Jankov, Subodh Verma
Emerging evidence suggests that long non-coding RNAs (lncRNAs) represent a cellular hub coordinating various cellular processes that are critical in health and disease. Mechanical stress triggers changes in vascular smooth muscle cells (VSMCs) that in turn contribute to pathophysiological changes within the vasculature. We sought to evaluate the role that lncRNAs play in mechanical stretch-induced alterations of human aortic smooth muscle cells (HASMCs). RNA (lncRNA and mRNA) samples isolated from HASMCs that had been subjected to 10 or 20% elongation (1 Hz) for 24 h were profiled with the Arraystar Human LncRNA Microarray V3...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28526859/evaluation-of-arteriolar-smooth-muscle-cell-function-in-an-ex-vivo-microvascular-network-model
#6
Jessica M Motherwell, Mohammad S Azimi, Kristine Spicer, Natascha G Alves, Nicholas A Hodges, Jerome W Breslin, Prasad V G Katakam, Walter L Murfee
An emerging challenge in tissue engineering biomimetic models is recapitulating the physiological complexity associated with real tissues. Recently, our laboratory introduced the rat mesentery culture model as an ex vivo experimental platform for investigating the multi-cellular dynamics involved in angiogenesis within an intact microvascular network using time-lapse imaging. A critical question remains whether the vessels maintain their functionality. The objective of this study was to determine whether vascular smooth muscle cells in cultured microvascular networks maintain the ability to constrict...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526608/microrna-analysis-of-taenia-crassiceps-cysticerci-under-praziquantel-treatment-and-genome-wide-identification-of-taenia-solium-mirnas
#7
Matías Gastón Pérez, Natalia Macchiaroli, Gabriel Lichtenstein, Gabriela Conti, Sebastián Asurmendi, Diego Humberto Milone, Georgina Stegmayer, Laura Kamenetzky, Marcela Cucher, Mara Cecilia Rosenzvit
MicroRNAs (miRNAs) are small non-coding RNAs that have emerged as important regulators of gene expression and perform critical functions in development and disease. In spite of the increased interest in miRNAs from helminth parasites, no information is available on miRNAs from Taenia solium, the causative agent of cysticercosis, a neglected disease affecting millions of people worldwide. Here we performed a comprehensive analysis of miRNAs from Taenia crassiceps, a laboratory model for T. solium studies, and identified miRNAs in the T...
May 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28526591/macrophage-based-therapeutic-strategies-in-regenerative-medicine
#8
Kara L Spiller, Timothy J Koh
Mounting evidence suggests that therapeutic cell and drug delivery strategies designed to actively harness the regenerative potential of the inflammatory response have great potential in regenerative medicine. In particular, macrophages have emerged as a primary target because of their critical roles in regulating multiple phases of tissue repair through their unique ability to rapidly shift phenotypes. Herein, we review macrophage-based therapies, focusing on the translational potential for cell delivery of ex vivo-activated macrophages and delivery of molecules and biomaterials to modulate accumulation and phenotype of endogenous macrophages...
May 16, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28526136/emerging-mechanisms-and-roles-for-asymmetric-cytokinesis
#9
C Thieleke-Matos, D S Osório, A X Carvalho, E Morais-de-Sá
Cytokinesis completes cell division by physically separating the contents of the mother cell between the two daughter cells. This event requires the highly coordinated reorganization of the cytoskeleton within a precise window of time to ensure faithful genomic segregation. In addition, recent progress in the field highlighted the importance of cytokinesis in providing particularly important cues in the context of multicellular tissues. The organization of the cytokinetic machinery and the asymmetric localization or inheritance of the midbody remnants is critical to define the spatial distribution of mechanical and biochemical signals...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28526079/patient-needs-and-preferences-for-herb-drug-disease-interaction-alerts-a-structured-interview-study
#10
Carrie M Christensen, Rebecca S Morris, Seraphine Chepkemoi Kapsandoy, Melissa Archer, Jinqiu Kuang, Laura Shane-McWhorter, Bruce E Bray, Qing Zeng-Treitler
BACKGROUND: While complementary and alternative medicine (CAM) is commonly used in the United States and elsewhere, and hazardous interactions with prescription drugs can occur, patients do not regularly communicate with physicians about their CAM use. The objective of this study was to discover patient information needs and preferences for herb-drug-disease interaction alerts. METHODS: We recruited 50 people from several locations within the University of Utah Hospital to participate in this structured interview study...
May 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28525982/blood-meal-induced-regulation-of-the-chemosensory-gene-repertoire-in-the-southern-house-mosquito
#11
Tanvi Taparia, Rickard Ignell, Sharon Rose Hill
BACKGROUND: The southern house mosquito, Culex quinquefasciatus, is one of the most prevalent vectors of lymphatic filariasis and flavivirus-induced encephalitis. Its vectorial capacity is directly affected by its reproductive feeding behaviors, such as host seeking, blood feeding, resting, and egg laying. In mosquitoes, these gonotrophic behaviors are odor-mediated and regulated following blood feeding. Immediately after a blood meal, female mosquitoes show reduced olfactory responsiveness and flight activity, as they enter a resting state...
May 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28525808/characterization-of-post-disaster-environmental-management-for-hazardous-materials-incidents-lessons-learnt-from-the-tianjin-warehouse-explosion-china
#12
Hui Zhang, Huabo Duan, Jian Zuo, MingWei Song, Yukui Zhang, Bo Yang, Yongning Niu
Hazardous Materials Incidents (HMIs) have attracted a growing public concern worldwide. The health risks and environmental implications associated with HMIs are almost invariably severe, and underscore the urgency for sound management. Hazardous Materials Explosion incidents (HMEIs) belong to a category of extremely serious HMIs. Existing studies placed focuses predominately on the promptness and efficiency of emergency responses to HMIs and HMEIs. By contrast, post-disaster environmental management has been largely overlooked...
May 16, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28525681/unveiling-idiopathic-macular-telangiectasia-clinical-applications-of-optical-coherence-tomography-angiography
#13
Marco A Gonzalez, Diana Shechtman, Jay M Haynie, Leo Semes
PURPOSE: Idiopathic macular telangiectasia type 2 (IMT2) is a bilateral acquired maculopathy, with a spectrum of clinical presentations associated with inner retinal telangiectatic vascular anomalies. Cases often are underdiagnosed or misdiagnosed. Current diagnostic modalities such as spectral-domain optical coherence tomography (SD-OCT) and fluorescein angiography (FA) are valuable to the understanding of the clinicopathology. More recently, optical coherence tomography angiography (OCTA), as an emerging noninvasive technology, has been shown to be particularly useful in the assessment and management of IMT2...
May 19, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28524765/what-can-critical-suicidology-do
#14
Jennifer White
Critical suicidology is an emerging area of scholarship and praxis that brings together academics, community activists, service users, practitioners, policy makers, family members and persons with lived experience, to rethink what it means to study suicide and enact practices of suicide prevention in more diverse and creative, less psycho-centric and less depoliticized, ways. In this paper I begin to articulate what it might mean to "think like a critical suicidologist," the questions that might get asked from this position, the academic and activist allies who might get recruited to the cause, and the potential cracks we might open up in pursuit of a more hopeful, life-affirming, and just future...
May 19, 2017: Death Studies
https://www.readbyqxmd.com/read/28524548/gender-and-student-leadership-a-critical-examination
#15
Paige Haber-Curran, Daniel Tillapaugh
This chapter includes an overview of existing and emerging literature on gender and student development and key opportunities for leadership educators' practice to broaden our understanding of gender and student leadership.
June 2017: New Directions for Student Leadership
https://www.readbyqxmd.com/read/28524035/-comparison-of-risk-of-death-between-older-and-non-older-critical-patients-in-icu-a-retrospective-cohort-study-of-consecutive-3-years
#16
Yeting Zhou, Daoming Tong, Shaodan Wang, Liansong Liu, Song Ye, Benwen Xu
OBJECTIVE: To investigate the risk of death between older and non-older critical patients in intensive care unit (ICU) in Shuyang People's Hospital. METHODS: A retrospective cohort study was conducted. The critical patients who aged 15 or above, and admitted to ICU of Shuyang People's Hospital from January 2014 to December 2016 were enrolled, and all the data was collected from the registration and electronic medical records in the ICU. The prevalence and causes of death in ICU critical patients during the study period were observed...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28523614/two-important-limitations-relating-to-the-spiking-of-environmental-samples-with-contaminants-of-emerging-concern-how-close-to-the-real-analyte-concentrations-are-the-reported-recovered-values
#17
Costas Michael, Josep Maria Bayona, Dimitra Lambropoulou, Ana Agüera, Despo Fatta-Kassinos
Occurrence and effects of contaminants of emerging concern pose a special challenge to environmental scientists. The investigation of these effects requires reliable, valid, and comparable analytical data. To this effect, two critical aspects are raised herein, concerning the limitations of the produced analytical data. The first relates to the inherent difficulty that exists in the analysis of environmental samples, which is related to the lack of knowledge (information), in many cases, of the form(s) of the contaminant in which is present in the sample...
May 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28523476/impact-of-a-patient-navigator-program-on-hospital-based-and-outpatient-utilization-over-180%C3%A2-days-in-a-safety-net-health-system
#18
Richard B Balaban, Fang Zhang, Catherine E Vialle-Valentin, Alison A Galbraith, Marguerite E Burns, Marc R Larochelle, Dennis Ross-Degnan
BACKGROUND: With emerging global payment structures, medical systems need to understand longer-term impacts of care transition strategies. OBJECTIVE: To determine the effect of a care transition program using patient navigators (PNs) on health service utilization among high-risk safety-net patients over a 180-day period. DESIGN: Randomized controlled trial conducted October 2011 through April 2013. PARTICIPANTS: Patients admitted to the general medicine service with ≥1 readmission risk factor: (1) age ≥ 60; (2) in-network inpatient admission within prior 6 months; (3) index length of stay ≥ 3 days; or (4) admission diagnosis of heart failure or (5) chronic obstructive pulmonary disease...
May 18, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28523394/introduction-framing-post-aids-and-global-health-discourses-in-2015-and-beyond
#19
EDITORIAL
Gráinne O'Connell
This special issue, entitled "Post-AIDS' and Global Health Discourses: Interdisciplinary Perspectives,' emerged from a one day Medical Humanities symposium at the Leeds Centre for Medical Humanities, at the University of Leeds, England, on February 27th 2015. This special issue focusses on the perceived deprioritising of HIV and AIDS in the Sustainable Development Goals, or SDGs, that were launched in 2015. The SDGs function as policy benchmarks for all entities within the United Nations system and they supersede the Millennium Development Goals, or MDGs, which expired in 2015...
May 19, 2017: Journal of Medical Humanities
https://www.readbyqxmd.com/read/28522901/transition-of-early-phase-treatment-for-acute-pancreatitis-an-analysis-of-nationwide-epidemiological-survey
#20
EDITORIAL
Shin Hamada, Atsushi Masamune, Tooru Shimosegawa
Treatment of acute pancreatitis (AP) is one of the critical challenges to the field of gastroenterology because of its high mortality rate and high medical costs associated with the treatment of severe cases. Early-phase treatments for AP have been optimized in Japan, and clinical guidelines have been provided. However, changes in early-phase treatments and the relationship between treatment strategy and clinical outcome remain unclear. Retrospective analysis of nationwide epidemiological data shows that time for AP diagnosis has shortened, and the amount of initial fluid resuscitation has increased over time, indicating the compliance with guidelines...
April 28, 2017: World Journal of Gastroenterology: WJG
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