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https://www.readbyqxmd.com/read/29161255/neurogenic-mediators-contribute-to-local-edema-induced-by-micrurus-lemniscatus-venom
#1
Luciana Lyra Casais-E-Silva, Catarina Teixeira
BACKGROUND/AIMS: Micrurus is one of the four snake genera of medical importance in Brazil. Coral snakes have a broad geographic distribution from the southern United States to Argentina. Micrurine envenomation is characterized by neurotoxic symptoms leading to dyspnea and death. Moreover, various local manifestations, including edema formation, have been described in patients bitten by different species of Micrurus. Thus, we investigated the ability of Micrurus lemniscatus venom (MLV) to induce local edema...
November 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29160761/fronto-parietal-coherence-response-to-tdcs-modulation-in-patients-with-disorders-of-consciousness
#2
Yang Bai, Xiaoyu Xia, Yong Wang, Yongkun Guo, Yi Yang, Jianghong He, Xiaoli Li
A transcranial direct current stimulation (tDCS) protocol (2 min, 2 mA, anodal electrode at the left dorsolateral prefrontal cortex and cathodal electrode at the right supraorbital area) was applied in patients with different degrees of disorders of consciousness (DoC). Although previous research indicates that it could improve patients' coma recovery scale-revised (CRS-R) scores, the brain's electrophysiological responses to tDCS are still unclear. Therefore, the present study was performed to explore the underlying brain responses of patients in a minimally conscious state (MCS) and a Unresponsive Wakefulness Syndrome (UWS) to tDCS modulation...
November 21, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29160096/initial-fibular-displacement-as-a-predictor-of-medial-clear-space-widening-in-weber-b-ankle-fractures
#3
Zachary S Cavanaugh, Simran Gupta, Vinayak M Sathe, Lauren E Geaney
BACKGROUND: The diagnosis of medial ankle instability in Weber B ankle fractures remains controversial. Manual stress and gravity stress radiographs as well as magnetic resonance imaging (MRI) are used, but there is no consensus gold standard. The purpose of this study was to determine the relationship between initial fibular displacement and medial clear space widening on a gravity stress radiograph as a predictor of instability. METHODS: A retrospective review was conducted of all patients with isolated Weber B ankle fractures with both initial injury radiographs and gravity stress view from August 1, 2014, through April 1, 2016...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29157518/mechanical-circulatory-support-for-high-risk-pulmonary-embolism
#4
REVIEW
Mahir Elder, Nimrod Blank, Adi Shemesh, Mohit Pahuja, Amir Kaki, Tamam Mohamad, Theodore Schreiber, Jay Giri
Temporary mechanical circulatory support (MCS) devices have a role in treating high-risk patients with pulmonary embolism with cardiogenic shock. Mechanical circulatory device selection should be made based on center experience and device-specific features. All current devices are effective in decreasing right arterial pressure and providing circulatory support of 4 to 5 L/min. The pulmonary artery pulsatility index may prove to be an unreliable method to assess right ventricular function. Careful clinical evaluation on an individual patient basis should determine the need for MCS...
January 2018: Interventional cardiology clinics
https://www.readbyqxmd.com/read/29156989/survival-and-consciousness-recovery-are-better-in-the-minimally-conscious-state-than-in-the-vegetative-state
#5
Frédéric Faugeras, Benjamin Rohaut, Mélanie Valente, Jacobo Sitt, Sophie Demeret, Francis Bolgert, Nicolas Weiss, Alexandra Grinea, Clémence Marois, Marion Quirins, Athena Demertzi, Federico Raimondo, Damien Galanaud, Marie-Odile Habert, Denis Engemann, Louis Puybasset, Lionel Naccache
BACKGROUND: The prognosis value of early clinical diagnosis of consciousness impairment is documented by an extremely limited number of studies, whereas it may convey important information to guide medical decisions. OBJECTIVE: We aimed at determining if patients diagnosed at an early stage (<90 days after brain injury) as being in the minimally conscious state (MCS) have a better prognosis than patients in the vegetative state/Unresponsive Wakefulness syndrome (VS/UWS), independent of care limitations or withdrawal decisions...
November 20, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29156752/early-and-late-effects-of-aspirin-and-naproxen-on-micrornas-in-the-lung-and-blood-of-mice-either-unexposed-or-exposed-to-cigarette-smoke
#6
Alberto Izzotti, Roumen Balansky, Gancho Ganchev, Marietta Iltcheva, Mariagrazia Longobardi, Alessandra Pulliero, Anna Camoirano, Francesco D'Agostini, Marta Geretto, Rosanna T Micale, Sebastiano La Maestra, Mark Steven Miller, Vernon E Steele, Silvio De Flora
We recently showed that nonsteroidal anti-inflammatory drugs (NSAIDs) are able to inhibit the lung tumors induced by cigarette smoke, either mainstream (MCS) or environmental (ECS), in female mice. We used subsets of mice to analyze the expression of 1135 microRNAs in both lung and blood serum, as related to the whole-body exposure to smoke and/or oral administration of either aspirin or naproxen. In a first study, we evaluated early microRNA alterations in A/J mice exposed to ECS for 10 weeks, starting at birth, and/or treated with NSAIDs for 6 weeks, starting after weaning...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156306/effect-of-microcystins-on-root-growth-oxidative-response-and-exudation-of-rice-oryza-sativa
#7
Qing Cao, Richard R Rediske, Lei Yao, Liqiang Xie
A 30 days indoor hydroponic experiment was carried out to evaluate the effect of microcystins (MCs) on rice root morphology and exudation, as well as bioaccumulation of MCs in rice. MCs were bioaccumulated in rice with the greatest concentrations being observed in the leaves (113.68μgg(-1) Fresh weight (FW)) when exposed to 500μgL(-1) MCs. Root activity at 500μgL(-1) decreased 37%, compared to the control. MCs also induced disruption of the antioxidant system and lipid peroxidation in rice roots. Root growth was significantly inhibited by MCs...
November 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29154789/biosynthesis-of-microcystin-hepatotoxins-in-the-cyanobacterial-genus-fischerella
#8
Karina Heck, Danillo O Alvarenga, Tania K Shishido, Alessandro M Varani, Felipe A Dörr, Ernani Pinto, Leo Rouhiainen, Jouni Jokela, Kaarina Sivonen, Marli F Fiore
Microcystins (MCs) are serine/threonine phosphatase inhibitors synthesized by several members of the phylum Cyanobacteria. Mining the draft genome sequence of the nostocalean MC-producing Fischerella sp. strain CENA161 led to the identification of three contigs containing mcy genes. Subsequent PCR and Sanger sequencing allowed the assembling of its complete biosynthetic mcy gene cluster with 55,016 bases in length. The cluster encoding ten genes (mcyA-J) with a central bidirectional promoter was organized in a similar manner as found in other genera of nostocalean cyanobacteria...
November 14, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29154131/impact-of-age-sex-therapeutic-intent-race-and-severity-of-advanced-heart-failure-on-short-term-principal-outcomes-in-the-momentum-3-trial
#9
Daniel J Goldstein, Mandeep R Mehra, Yoshifumi Naka, Christopher Salerno, Nir Uriel, David Dean, Akinobu Itoh, Francis D Pagani, Eric R Skipper, Geetha Bhat, Nirav Raval, Brian A Bruckner, Jerry D Estep, Rebecca Cogswell, Carmelo Milano, Lahn Fendelander, John B O'Connell, Joseph Cleveland
BACKGROUND: Primary outcomes analysis of the Multicenter Study of MagLev Technology in Patients Undergoing MCS Therapy With HeartMate 3 (MOMENTUM 3) trial short-term cohort demonstrated a higher survival rate free of debilitating stroke and reoperation to replace/remove the device (primary end-point) in patients receiving the HeartMate 3 (HM3) compared with the HeartMate (HMII). In this study we sought to evaluate the individual and interactive effects of pre-specified patient subgroups (age, sex, race, therapeutic intent [bridge to transplant/bridge to candidacy/destination therapy] and severity of illness) on primary end-point outcomes in MOMENTUM 3 patients implanted with HM3 and HMII devices...
November 3, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29153626/the-association-between-paternal-and-adolescent-depressive-symptoms-evidence-from-two-population-based-cohorts
#10
Gemma Lewis, Martha Neary, Ela Polek, Eirini Flouri, Glyn Lewis
BACKGROUND: Incidence of depression increases markedly around age 13 years, and nearly three-quarters of adults report that their mental health problems started in adolescence. Although maternal depression is a risk factor for adolescent depression, evidence about the association between paternal and adolescent depression is inconclusive, and many studies have methodological limitations. We aimed to assess the association between paternal and adolescent depressive symptoms in two large population-based cohort studies...
November 13, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/29152089/high-glucose-downregulates-myocardin-expression-in-rat-glomerular-mesangial-cells-via-the-erk-signaling-pathway
#11
Ming Li, Lijuan Xu, Guowei Feng, Yan Zhang, Xin Wang, Yuebing Wang
Mesangial cells (MCs), which are vascular smooth muscle-derived cells, occupy the central position in the glomerulus. Diabetic nephropathy (DN) is one of the most common diabetes complications and is likely attributed to the loss of MC contractility. Myocardin stimulates downstream vascular smooth muscle genes and regulates the contractility of vascular smooth muscle cells. Therefore, we hypothesized that myocardin is expressed in MCs and that high glucose is involved in the regulation of myocardin and downstream contractile genes in the context of DN...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151325/mean-adc-values-discriminate-rectal-mucinous-carcinomafrom-rectal-nonmucinous-adenocarcinoma
#12
Hale Çolakoğlu Er, Ayşe Erden
Background/aim: This study aimed to differentiate rectal mucinous carcinoma (MC) from nonmucinous rectal adenocarcinoma (AC) using mean apparent diffusion coefficient (mADC) values obtained with diffusion-weighted imaging.Materials and methods: Sixty-two pathologically confirmed rectal AC (n = 44) and MC (n = 18) patients were included in this study. The two groups underwent pelvic MRI to determine the local staging baseline for rectal tumors. Once the region of interest (ROI) was determined, a border was drawn around each hyperintense tumor (b = 1000 s/mm2 images)...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29149675/evaluation-of-potassium-ferrate-as-an-alternative-disinfectant-on-cyanobacteria-inactivation-and-associated-toxin-fate-in-various-waters
#13
Jiajia Fan, Bo-Hung Lin, Che-Wei Chang, Yuqing Zhang, Tsair-Fuh Lin
Potassium ferrate (K2FeO4) is an effective oxidant that may be used as a pre- or post-oxidant in the purification of source water with cyanobacterial issues. To provide a better basis for the application of this oxidant during water treatment processes, the impacts of K2FeO4 on the cell viability of Microcystis aeruginosa and the fate of associated microcystins (MCs) were investigated in various water matrices. The results showed that a water matrix can significantly affect the effectiveness of K2FeO4 on cyanobacteria inactivation...
November 9, 2017: Water Research
https://www.readbyqxmd.com/read/29147763/frailty-in-end-stage-hip-or-knee-osteoarthritis-validation-of-the-groningen-frailty-indicator-gfi-questionnaire
#14
Jennifer M T A Meessen, Claudia S Leichtenberg, Claire Tilbury, Bart L Kaptein, Lennard A Koster, P Eline Slagboom, Suzan H M Verdegaal, Ron Onstenk, Henrike M J van der Linden-van der Zwaag, Herman Kaptijn, Stephan B W Vehmeijer, Willem-Jan C Marijnissen, Pieter-Jan Damen, Rob G H H Nelissen, Thea P M Vliet Vlieland
Frailty is highly prevalent in the elderly, increasing the risk of poor health outcomes. The Groningen Frailty Indicator (GFI) is a 15-item validated questionnaire for the elderly. Its value in patients with end-stage hip or knee osteoarthritis (OA) has not yet been determined. This study assesses the validity of the GFI in this patient group. End-stage hip or knee OA patients completed the GFI (range 0-15, ≥ 4 = frail) before arthroplasty surgery. Convergent validity was determined by Spearman-rank correlation between the SF-12 physical (PCS) and mental (MCS) component scores and the physical and mental GFI-domains, respectively...
November 17, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29147666/sympathetic-denervation-accelerates-wound-contraction-but-inhibits-reepithelialization-and-pericyte-proliferation-in-diabetic-mice
#15
Zhifang Zheng, Yu Wan, Yishu Liu, Yu Yang, Jianbing Tang, Wenhua Huang, Biao Cheng
Previous studies focused on the effects of sympathetic denervation with 6-hydroxydopamine (6-OHDA) on nondiabetic wounds, but the effects of 6-OHDA on diabetic wounds have not been previously reported. In this study, treated mice received intraperitoneal 6-OHDA, and control mice received intraperitoneal injections of normal saline. Full-thickness wounds were established on the backs of mice. The wounds were sectioned (four mice per group) for analysis at 2, 5, 7, 10, 14, 17, and 21 days after injury. The wound areas in the control group were larger than those in the treatment group...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29144421/paralytic-shellfish-toxins-and-cyanotoxins-in-the-mediterranean-new-data-from-sardinia-and-sicily-italy
#16
Antonella Lugliè, Maria Grazia Giacobbe, Elena Riccardi, Milena Bruno, Silvia Pigozzi, Maria Antonietta Mariani, Cecilia Teodora Satta, Daniela Stacca, Anna Maria Bazzoni, Tiziana Caddeo, Pasqualina Farina, Bachisio Mario Padedda, Silvia Pulina, Nicola Sechi, Anna Milandri
Harmful algal blooms represent a severe issue worldwide. They affect ecosystem functions and related services and goods, with consequences on human health and socio-economic activities. This study reports new data on paralytic shellfish toxins (PSTs) from Sardinia and Sicily (Italy), the largest Mediterranean islands where toxic events, mainly caused by Alexandrium species (Dinophyceae), have been ascertained in mussel farms since the 2000s. The toxicity of the A. minutum, A. tamarense and A. pacificum strains, established from the isolation of vegetative cells and resting cysts, was determined by high performance liquid chromatography (HPLC)...
November 16, 2017: Microorganisms
https://www.readbyqxmd.com/read/29143958/intraspinal-mesenchymal-chondrosarcoma-report-of-a-pediatric-case-and-literature-review
#17
Angela Di Giannatale, Marta Colletti, Ida Russo, Valentina Ferruzzi, Vito Andrea Dell' Anna, Raffaele Cozza, Giovanna Stefania Colafati, Raffaella Messina, Angela Mastronuzzi, Rita De Vito, Giuseppe Maria Milano
PURPOSE: Mesenchymal chondrosarcoma (MCS) is an aggressive variant of chondrosarcoma and is a rare tumor, particularly within the pediatric population. Commonly, MCS originates in the bone, but it can also arise in extraskeletal sites, such as the brain and the intraspinal area. Due to the rarity of this tumor, there are no guidelines for its optimal treatment. METHODS: We report a case of intradural extramedullary MCS, located at the T11-T12 level, in a 14-year-old male...
November 15, 2017: Tumori
https://www.readbyqxmd.com/read/29141910/munc13-proteins-control-regulated-exocytosis-in-mast-cells
#18
Elsa M Rodarte, Marco A Ramos, Alfredo J Davalos, Daniel C Moreira, David S Moreno, Eduardo I Cardenas, Alejandro I Rodarte, Youlia Petrova, Sofia Molina, Luis E Rendon, Elizabeth Sanchez, Keegan Breaux, Alejandro Tortoriello, John Manllo, Erika A Gonzalez, Michael J Tuvim, Burton F Dickey, Alan R Burns, Ruth Heidelberger, Roberto Adachi
Mast cells (MCs) are involved in host defenses against pathogen and inflammation. Stimulated MCs release substances stored in their granules via regulated exocytosis. In other cell types, Munc13 (mammalian homolog of C. elegans uncoordinated gene 13) proteins play essential roles in regulated exocytosis. Here, we found that MCs express Munc13-2 and -4, and studied their roles using global and conditional knockout (KO) mice. In a model of systemic anaphylaxis, we found no difference between WT and Munc13-2 KO mice, but global and MC-specific Munc13-4 KO mice developed less hypothermia...
November 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29141362/-evaluation-of-the-psychological-feature-and-quality-of-life-in-outpatients-with-somatic-symptoms-disorder-in-a-general-hospital
#19
F H Cui, N N Xiong, X Hong, Y P Duan, J Wei
Objective: To explore the psychological features and quality of life in outpatients with somatic symptoms disorder in a general hospital. Methods: This cross-sectional study was conducted from 2014-05 to 2015-06. Patients diagnosed with major depressive disorder (MDD) and somatic symptoms disorder (SSD) were recruited from psychological outpatient department, and patients with peptic ulcer (PU) / reflux esophagitis (RE) were recruited from Gastroenterology. Depression scale of the patient health questionnaire (PHQ-9), Generalized Anxiety Disorder 7-item scale (GAD-7), Toronto Alexithymia scale (TAS), 12-item Short Form Health Survey (SF-12), items from Somatoform Disorder Screening Questionnaire were employed to evaluate the severity of depression, anxiety, alexithymia, quality of life, health care use and subjective feelings...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29138055/merkel-cells-sense-cooling-with-trpm8-channels
#20
Valentine Bouvier, Yann Roudaut, Nancy Osorio, Jean-Marc Aimonetti, Edith Ribot-Ciscar, Virginie Penalba, Thierry Merrot, Nicolas Lebonvallet, Christelle Le Gall-Ianotto, Laurent Misery, Patrick Delmas, Marcel Crest
In the skin, Merkel cells (MCs) connect with keratinocytes and Aβ nerve fibers to form a touch receptor which functions as a slow adapting mechanoreceptor (SA1 receptor). In human and mouse MCs, we observed an increased concentration of intracellular Ca(2+) ions in response to cold temperature and transient receptor potential melastatine 8 (TRPM8) ion channel agonists. A reduction in the response to cooling and TRPM8 agonists occurred following addition of TRPM8 antagonists, as well as in TRPM8 knockout mice...
November 11, 2017: Journal of Investigative Dermatology
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