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https://www.readbyqxmd.com/read/28343377/protein-kinase-c-mediates-the-corticosterone-induced-sensitization-of-dorsal-root-ganglion-neurons-innervating-the-rat-stomach
#1
Meng Li, Lu Xue, Hong-Yan Zhu, Hongjun Wang, Xue Xu, Geping Wu, Guang-Yin Xu
Background/Aims: Gastric hypersensitivity contributes to abdominal pain in patients with functional dyspepsia (FD). Recent studies showed that hormones induced by stress are correlated with visceral hypersensitivity. However, the precise mechanisms underlying gastric hypersensitivity remain largely unknown. The aim of the present study was designed to investigate the roles of corticosterone (CORT) on excitability of dorsal root ganglion (DRG) neurons innervating the stomach. Methods: DRG neurons innervating the stomach were labeled by DiI injection into the stomach wall...
March 26, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28343357/gut-microbiome-in-chronic-kidney-disease
#2
REVIEW
R G Armani, A Ramezani, A Yasir, S Sharama, M E F Canziani, D S Raj
With over 100 trillion microbial cells, the gut microbiome plays important roles in both the maintenance of health and the pathogenesis of disease. Gut microbiome dysbiosis, resulted from alteration of composition and function of the gut microbiome and disruption of gut barrier function, is commonly seen in patients with chronic kidney disease (CKD). The dysbiotic gut microbiome generates excessive amounts of uremic toxins, and the impaired intestinal barrier permits translocation of these toxins into the systemic circulation...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28343356/development-of-a-novel-strategy-to-target-cd39-antithrombotic-activity-to-the-endothelial-platelet-microenvironment-in-kidney-ischemia-reperfusion-injury
#3
Maithili Sashindranath, Karen M Dwyer, Shala Dezfouli, Carly Selan, Sandra Crikis, Bo Lu, Yuping Yuan, Michael J Hickey, Karlheinz Peter, Simon C Robson, Peter J Cowan, Harshal H Nandurkar
Kidney ischemia-reperfusion injury (IRI) is common during transplantation. IRI is characterised by inflammation and thrombosis and associated with acute and chronic graft dysfunction. P-selectin and its ligand PSGL-1 are cell adhesion molecules that control leukocyte-endothelial and leukocyte-platelet interactions under inflammatory conditions. CD39 is the dominant vascular nucleotidase that facilitates adenosine generation via extracellular ATP/ADP-phosphohydrolysis. Adenosine signalling is protective in renal IRI, but CD39 catalytic activity is lost with exposure to oxidant stress...
March 25, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28343351/health-related-quality-of-life-hrqol-and-its-correlates-among-community-recruited-children-living-with-hiv-and-uninfected-children-born-to-hiv-infected-parents-in-west-bengal-india
#4
Aritra Das, Roger Detels, Abdelmonem A Afifi, Marjan Javanbakht, Frank J Sorvillo, Samiran Panda
PURPOSE: Helping children living with HIV (CLH) to attain an optimum quality of life is an important goal for HIV programs around the world. Our principal objectives were to determine the association of HIV infection with different domains of health-related quality of life (HRQoL) among 8- to 15-year-old CLH in India and to compare the HRQoL parameters between CLH and HIV-negative children born to HIV-infected parents ("HIV-affected"). We also assessed whether antiretroviral therapy (ART) and CD4 lymphocyte counts were associated with HRQoL among CLH...
March 25, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28343342/caregiver-teacher-concordance-of-challenging-behaviors-in-children-with-autism-spectrum-disorder-served-in-community-mental-health-settings
#5
Nicole Stadnick, Colby Chlebowski, Lauren Brookman-Frazee
Children with autism spectrum disorder (ASD) exhibit high rates of challenging behaviors that impair functioning and represent the primary presenting problem in mental health (MH) services. Obtaining symptom reports from multiple informants is critical for treatment planning. This study evaluated caregiver-teacher concordance of ratings of the intensity of challenging behaviors in children with ASD receiving MH services, and identified child clinical factors associated with concordance. This sample included 141 children (M = 9...
March 25, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28343336/sunitinib-induced-hypothyroidism-predicts-progression-free-survival-in-metastatic-renal-cell-carcinoma-patients
#6
Anna Buda-Nowak, Jakub Kucharz, Paulina Dumnicka, Marek Kuzniewski, Roman Maria Herman, Aneta L Zygulska, Beata Kusnierz-Cabala
Sunitinib is a tyrosine kinase inhibitor (TKI) used in treatment of metastatic renal cell carcinoma (mRCC), gastrointestinal stromal tumors and pancreatic neuroendocrine tumors. One of the most common side effects related to sunitinib is hypothyroidism. Recent trials suggest correlation between the incidence of hypothyroidism and treatment outcome in patients treated with TKI. This study evaluates whether development of hypothyroidism is a predictive marker of progression-free survival (PFS) in patients with mRCC treated with sunitinib...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28343334/design-and-test-of-a-microsoft-kinect-based-system-for-delivering-adaptive-visual-feedback-to-stroke-patients-during-training-of-upper-limb-movement
#7
Daniel Simonsen, Mirjana B Popovic, Erika G Spaich, Ole Kæseler Andersen
The present paper describes the design and test of a low-cost Microsoft Kinect-based system for delivering adaptive visual feedback to stroke patients during the execution of an upper limb exercise. Eleven sub-acute stroke patients with varying degrees of upper limb function were recruited. Each subject participated in a control session (repeated twice) and a feedback session (repeated twice). In each session, the subjects were presented with a rectangular pattern displayed on a vertical mounted monitor embedded in the table in front of the patient...
March 25, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28343319/robotic-resection-of-an-obturator-schwannoma-with-preservation-of-normal-nerve-fascicles-and-function
#8
Hubert Perrin, Philippe Brunner, Jean Claude Ortega, Bertrand Mercier, Nathalie Clement, Christophe Robino, Maurice Chazal
An asymptomatic pelvic tumor was incidentally found in a 27-year-old man. A CT-guided needle biopsy with a pathologic examination confirmed the diagnosis of a benign schwannoma. We describe the complete robotic resection with the conservation of normal fascicles. The postoperative course was uneventful. No neurological deficit occurred, and the electromyogram was normal 6 weeks and 7 months later.
March 25, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28343318/prevalence-of-thyroid-dysfunction-and-its-impact-on-cognition-in-older-mexican-adults-sadem-study
#9
T Juárez-Cedillo, L Basurto-Acevedo, S Vega-García, A Sánchez-Rodríguez Martha, R Retana-Ugalde, E Juárez-Cedillo, C Gonzalez-Melendez Roberto, J Escobedo-de-la-Peña
INTRODUCTION: Subclinical thyroid dysfunction is a possible risk factor for cognitive impairment in old age, but results are inconsistent. Aim of the present study was to evaluate the prevalence of thyroid dysfunction among older community-dwelling adults and to see whether thyroid function impacts the cognitive status of the elderly. METHODS: We included 1750 participants from the Study on Aging and Dementia in Mexico (SADEM). All subjects were evaluated clinically via specific interviews...
March 25, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28343310/steroidogenic-genes-expressions-are-repressed-by-high-levels-of-leptin-and-the-jak-stat-signaling-pathway-in-ma-10-leydig-cells
#10
David A Landry, François Sormany, Josée Haché, Pauline Roumaud, Luc J Martin
The adipose tissue is an important endocrine organ secreting numerous peptide hormones, including leptin. Increased circulating levels of leptin, as a result of hormonal resistance in obese individuals, may contribute to lower androgen production in obese males. However, the molecular mechanisms involved need to be better defined. Androgens are mainly produced by Leydig cells within the testis. In male rodents, activation of the leptin receptor modulates a cascade of intracellular signal transduction pathways which may lead to regulation of transcription factors having influences on steroidogenesis in Leydig cells...
March 25, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28343297/association-of-the-cx3cr1-v249i-variant-with-neurofibrillary-pathology-progression-in-late-onset-alzheimer-s-disease
#11
Alan López-López, Ellen Gelpi, Diana Maria Lopategui, Jose M Vidal-Taboada
Neuroinflammation and microglial dysfunction have a prominent role in the pathogenesis of late-onset Alzheimer's disease (LOAD). CX3CR1 is a microglia-specific gene involved in microglia-neuron crosstalk and neuroinflammation. Numerous evidence show the involvement of CX3CR1 in AD. The aim of this study was to investigate if some functional genetic variants of this gene could influence on LOAD's outcome, in a neuropathologically confirmed Spanish cohort. We designed an open, pragmatic, case-control retrospective study including a total of 475 subjects (205 pathologically confirmed AD cases and 270 controls)...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28343295/identification-of-sphingosine-1-phosphate-receptor-subtype-1-s1p1-as-a-pathogenic-factor-in-transient-focal-cerebral-ischemia
#12
Bhakta Prasad Gaire, Chi-Ho Lee, Arjun Sapkota, Sang Yeul Lee, Jerold Chun, Hee Jun Cho, Tae-Gyu Nam, Ji Woong Choi
Medically relevant roles of receptor-mediated sphingosine 1-phosphate (S1P) signaling have become a successful or promising target for multiple sclerosis or cerebral ischemia. Animal-based proof-of-concept validation for the latter is particularly through the neuroprotective efficacy of FTY720, a non-selective S1P receptor modulator, presumably via activation of S1P1. In spite of a clear link between S1P signaling and cerebral ischemia, it remains unknown whether the role of S1P1 is pathogenic or neuroprotective...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28343291/intercalary-frozen-autograft-for-reconstruction-of-malignant-bone-and-soft-tissue-tumours
#13
Karem M Zekry, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Ali Zein A A Alkhooly, Ahmed Saleh Abd-Elfattah, Ezzat H Fouly, Adel Refaat Ahmed, Hiroyuki Tsuchiya
PURPOSE: In 1999, we developed a technique using frozen autografts-tumour-containing bone treated with liquid nitrogen-for the reconstruction of malignant bone tumours. The purpose of this study was to evaluate the functional and oncological outcomes of frozen autografts for intercalary reconstruction of malignant bones and soft tissue tumours. METHODS: This retrospective study was designed to assess 34 patients of mean age 35 (range, 6-79) years. The mean follow-up period was 62 (24-214) months...
March 25, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28343282/effective-chemotherapy-of-heterogeneous-and-drug-resistant-early-colon-cancers-by-intermittent-dose-schedules-a-computer-simulation-study
#14
David E Axelrod, Sudeepti Vedula, James Obaniyi
PURPOSE: The effectiveness of cancer chemotherapy is limited by intra-tumor heterogeneity, the emergence of spontaneous and induced drug-resistant mutant subclones, and the maximum dose to which normal tissues can be exposed without adverse side effects. The goal of this project was to determine if intermittent schedules of the maximum dose that allows colon crypt maintenance could overcome these limitations, specifically by eliminating mixtures of drug-resistant mutants from heterogeneous early colon adenomas while maintaining colon crypt function...
March 25, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28343277/pancreatic-alpha-cell-selective-deletion-of-tcf7l2-impairs-glucagon-secretion-and-counter-regulatory-responses-to-hypoglycaemia-in-mice
#15
Gabriela da Silva Xavier, Angeles Mondragon, Vishnou Mourougavelou, Céline Cruciani-Guglielmacci, Jessica Denom, Pedro Luis Herrera, Christophe Magnan, Guy A Rutter
AIMS/HYPOTHESIS: Transcription factor 7-like 2 (TCF7L2) is a high mobility group (HMG) box-containing transcription factor and downstream effector of the Wnt signalling pathway. SNPs in the TCF7L2 gene have previously been associated with an increased risk of type 2 diabetes in genome-wide association studies. In animal studies, loss of Tcf7l2 function is associated with defective islet beta cell function and survival. Here, we explore the role of TCF7L2 in the control of the counter-regulatory response to hypoglycaemia by generating mice with selective deletion of the Tcf7l2 gene in pancreatic alpha cells...
March 25, 2017: Diabetologia
https://www.readbyqxmd.com/read/28343272/effect-of-atra-and-ato-on-the-expression-of-tissue-factor-in-nb4-acute-promyelocytic-leukemia-cells-and-regulatory-function-of-the-inflammatory-cytokines-tnf-and-il-1%C3%AE
#16
Sylvie Dunoyer-Geindre, Anne-Sophie Rivier-Cordey, Olga Tsopra, Thomas Lecompte, Egbert K O Kruithof
The characteristic hemorrhages of acute promyelocytic leukemia (APL) are caused in part by the high expression of tissue factor (TF) on leukemic cells, which also produce TNF and IL-1β, proinflammatory cytokines known to increase TF in various cell types. Exposure of NB4 cells, an APL cell line, to all-trans retinoic acid (ATRA) or arsenic trioxide (ATO) rapidly and strongly reduced TF mRNA. Both drugs also reduced TNF mRNA, but later, and moreover increased IL-1β mRNA. The effect on procoagulant activity of cells and microparticles, as measured with calibrated automated thrombography, was delayed and only partial at 24 h...
March 25, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28343262/cavin-1-deficiency-modifies-myocardial-and-coronary-function-stretch-responses-and-ischaemic-tolerance-roles-of-nos-over-activity
#17
Mika Kaakinen, Melissa E Reichelt, Zhibin Ma, Charles Ferguson, Nick Martel, Enzo R Porrello, James E Hudson, Walter G Thomas, Robert G Parton, John P Headrick
Caveolae and associated cavin and caveolins may govern myocardial function, together with responses to mechanical and ischaemic stresses. Abnormalities in these proteins are also implicated in different cardiovascular disorders. However, specific roles of the cavin-1 protein in cardiac and coronary responses to mechanical/metabolic perturbation remain unclear. We characterised cardiovascular impacts of cavin-1 deficiency, comparing myocardial and coronary phenotypes and responses to stretch and ischaemia-reperfusion in hearts from cavin-1 (+/+) and cavin-1 (-/-) mice...
May 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28343257/leaf-ontogeny-of-schinus-molle-l-plants-under-cadmium-contamination-the-meristematic-origin-of-leaf-structural-changes
#18
Marcio Paulo Pereira, Felipe Fogaroli Corrêa, Evaristo Mauro de Castro, Jean Paulo Vitor de Oliveira, Fabricio José Pereira
Previous works show the development of thicker leaves on tolerant plants growing under cadmium (Cd(2+)) contamination. The aim of this study was to evaluate the Cd(2+) effects on the leaf meristems of the tolerant species Schinus molle. Plants were grown in nutrient solution containing 0, 10, and 50 μM of Cd(2+). Anatomical analysis was performed on leaf primordia sampled at regular time intervals. Under the lowest Cd(2+) level (10 μM), increased ground meristem thickness, diameter of the cells, cell elongation rate, and leaf dry mass were found...
March 25, 2017: Protoplasma
https://www.readbyqxmd.com/read/28343240/childhood-angular-kyphosis-a-plea-for-involvement-of-the-pediatric-neurosurgeon
#19
E Cornips, S Koudijs, J Vles, L van Rhijn
INTRODUCTION: Childhood angular kyphosis is rare, as most children are affected by a mixed kyphotic and scoliotic deformity. Published series involving a mix of kyphosis and kyphoscoliosis, pediatric and adult, congenital and acquired cases are almost exclusively authored by orthopedic surgeons, suggesting that (pediatric) neurosurgeons are not involved. CASE SERIES: We present five cases that illustrate the spectrum of angular kyphosis, and these were treated by a multidisciplinary team including child neurologist, orthopedic surgeon, and pediatric neurosurgeon as complementary partners...
March 25, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28343223/sildenafil-enhances-quantity-of-immature-neurons-and-promotes-functional-recovery-in-the-developing-ischemic-mouse-brain
#20
Jonas Engels, Natalie Elting, Lisa Braun, Ivo Bendix, Josephine Herz, Ursula Felderhoff-Müser, Mark Dzietko
BACKGROUND: Hypoxic-ischemic (HI) injury to the developing brain occurs in 1 out of 1,000 live births and remains a major cause of significant morbidity and mortality. A large number of survivors suffer from long-term sequelae including seizures and neurological deficits. However, the pathophysiological mechanisms of recovery after HI insult are not clearly understood, and preventive measures or clinical treatments are nonexistent or not sufficiently effective in the clinical setting...
March 25, 2017: Developmental Neuroscience
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