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https://www.readbyqxmd.com/read/29793077/fmri-classification-method-with-multiple-feature-fusion-based-on-minimum-spanning-tree-analysis
#1
Hao Guo, Pengpeng Yan, Chen Cheng, Yao Li, Junjie Chen, Yong Xu, Jie Xiang
Resting state functional brain networks have been widely studied in brain disease research. Conventional network analysis methods are hampered by differences in network size, density and normalization. Minimum spanning tree (MST) analysis has been recently suggested to ameliorate these limitations. Moreover, common MST analysis methods involve calculating quantifiable attributes and selecting these attributes as features in the classification. However, a disadvantage of these methods is that information about the topology of the network is not fully considered, limiting further improvement of classification performance...
May 21, 2018: Psychiatry research. Neuroimaging
https://www.readbyqxmd.com/read/29792826/fast-evolving-human-specific-neural-enhancers-are-associated-with-aging-related-diseases
#2
Han Chen, Chunyan Li, Zhicheng Zhou, Han Liang
The antagonistic pleiotropy theory hypothesizes that evolutionary adaptations maximizing the fitness in early age increase disease burden after reproduction. This theory remains largely untested at the molecular level. Here, we analyzed enhancer evolution in primates to investigate the relationships between aging-related diseases and enhancers acquired after the human-chimpanzee divergence. We report a 5-fold increased evolutionary rate of enhancers that are activated in neural tissues, leading to fixation of ∼100 human-specific enhancers potentially under adaptation...
May 23, 2018: Cell Systems
https://www.readbyqxmd.com/read/29792472/effects-of-exercise-on-experimentally-manipulated-craving-for-cannabis-a-preliminary-study
#3
Sandy D Wilson, R Lorraine Collins, Mark A Prince, Paula C Vincent
Cannabis is the most commonly used illicit drug in the United States, and craving for cannabis is related to cannabis use. Exercise has been demonstrated to reduce craving for substances. To examine the effects of exercise on cannabis craving, we conducted a 3-week within-subject crossover experiment. Young-adult men (n = 35) and women (n = 11), age 18-25 years (M = 20.76, SD = 1.68), who regularly (≥3 times per week) used cannabis participated in a cue exposure paradigm to stimulate craving. After each of three separate craving inductions, they completed a 10-min bout of exercise that varied in intensity (rest, moderate, vigorous)...
May 24, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29792172/oral-health-and-orofacial-pain-in-people-with-dementia-admitted-to-acute-hospital-wards-observational-cohort-study
#4
Liza J M van de Rijt, Roxane A F Weijenberg, Alexandra R Feast, Victoria Vickerstaff, Frank Lobbezoo, Elizabeth L Sampson
BACKGROUND: Orofacial pain in people with dementia is difficult to detect, and often under-treated. Our aim was to investigate the prevalence of orofacial pain in people with dementia in acute hospitals in the UK. Secondary aims were to examine oral health status and explore associations between orofacial pain and oral health factors. METHODS: This cross-sectional observational study was carried out in two UK hospitals. Using the Orofacial Pain Scale in Non-Verbal Individuals (OPS-NVI) to identify orofacial pain, 101 participants with dementia, admitted to acute medical wards, were observed for at least 3 min during rest and chewing...
May 23, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29791970/effect-of-high-intensity-resistance-circuit-based-training-in-hypoxia-on-aerobic-performance-and-repeat-sprint-ability
#5
Domingo J Ramos-Campo, Ismael Martínez-Guardado, Guillermo Olcina, Cristian Marín-Pagán, Francisco J Martínez-Noguera, Jorge Carlos-Vivas, Pedro E Alcaraz, Jacobo A Rubio-Arias
Recent acute studies have shown that high-intensity resistance circuit-based (HRC) training in hypoxia increases metabolic stress. However, no intervention studies have yet proven their effectiveness. This study aimed to analyse the effect of 8 weeks of HRC in hypoxia on aerobic performance, resting energy expenditure (REE), repeat sprint ability (RSA) and haematological variables. Twenty-eight subjects were assigned to hypoxia (FiO2 =15%; HRChyp : n=15; age: 24.6±6.8 years; height: 177.4±5.9 cm; weight: 74...
May 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29791866/17-%C3%AE-estradiol-exacerbates-methamphetamine-induced-anxiety-like-behavior-in-female-mice
#6
A S Rauhut, M A Curran-Rauhut
The present experiment investigated the effect of 17 β-estradiol (E2 ) on anxiety-like behavior following methamphetamine administration in female, Swiss-Webster mice. Mice underwent bilateral ovariectomy (OVX) followed by a subcutaneous implantation of a Silastic capsule containing either sesame oil (OVX + Oil) or E2 (36 μg/ml; OVX + E2 ). One week later, mice were placed in an open-field chamber for an 8-hour session. During the first 3 hours of the session, mice were permitted to run in the absence of any drug (baseline)...
May 20, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29791601/resting-spontaneous-baroreflex-sensitivity-and-cardiac-autonomic-control-in-anabolic-androgenic-steroid-users
#7
Marcelo R Dos Santos, Ana L C Sayegh, Rafael Armani, Valéria Costa-Hong, Francis R de Souza, Edgar Toschi-Dias, Luiz A Bortolotto, Mauricio Yonamine, Carlos E Negrão, Maria-Janieire N N Alves
OBJECTIVES: Misuse of anabolic androgenic steroids in athletes is a strategy used to enhance strength and skeletal muscle hypertrophy. However, its abuse leads to an imbalance in muscle sympathetic nerve activity, increased vascular resistance, and increased blood pressure. However, the mechanisms underlying these alterations are still unknown. Therefore, we tested whether anabolic androgenic steroids could impair resting baroreflex sensitivity and cardiac sympathovagal control. In addition, we evaluate pulse wave velocity to ascertain the arterial stiffness of large vessels...
May 21, 2018: Clinics
https://www.readbyqxmd.com/read/29791262/flow-recirculation-in-cartilaginous-ring-cavities-of-human-trachea-model
#8
Jose Montoya Segnini, Humberto Bocanegra Evans, Luciano Castillo
BACKGROUND: Despite the prevailing assumption of "smooth trachea walls" in respiratory fluid dynamics research, recent investigations have demonstrated that cartilaginous rings in the trachea and main bronchi have a significant effect on the flow behavior and in particle deposition. However, there is not enough detailed information about the underlying physics of the interaction between the cartilage rings and the flow. MATERIALS AND METHODS: This study presents an experimental observation of a simplified Weibel-based model of the human trachea and bronchi with cartilaginous rings...
May 23, 2018: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/29790832/without-warning-worker-deaths-from-heat-2014-2016
#9
Cora Roelofs
Worker deaths from heat exposure are unlike heat deaths in the general population; workers tend to be outside in variable temperatures and younger than sixty-five years. Climate change will increase the frequency, duration, and variability of hot temperatures. Public health warning systems, such as the Heat Index of the National Weather Service, do not generally account for workers' greater likelihood of exposure to direct sunlight or exertion. Only 28% of the 79 worker heat-related fatalities during 2014-2016 occurred on days when the National Weather Service warning would have included the possibility of fatal heat stroke...
January 1, 2018: New Solutions: a Journal of Environmental and Occupational Health Policy: NS
https://www.readbyqxmd.com/read/29790796/in-vitro-coagulation-triggers-anti-aspergillus-fumigatus-neutrophil-response
#10
Emilie Fréalle, Philippe Gosset, Sophie Leroy, Claire Delattre, Agnès Wacrenier, Christoph Zenzmaier, Christophe Zawadzki, El Moukhtar Aliouat, Susanne Perkhofer
AIM: To explore Aspergillus interactions with platelets in the blood, especially during clot formation. MATERIALS & METHODS: Aspergillus fumigatus resting or swollen conidia, germlings or hyphae were inoculated into blood sampled into tubes with or without anticoagulant. Interactions were explored using microscopy, and chemokine levels were determined. RESULTS: Anatomopathological examination of the clot revealed conidia and germlings colocalization with platelet aggregates, and neutrophil recruitment around aggregates...
May 23, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29790700/early-hypophosphatemia-in-very-low-birth-weight-preterm-infants
#11
REVIEW
Agata Pająk, Barbara Królak-Olejnik, Agnieszka Szafrańska
Refeeding Syndrome (RFS) is a well-known group of symptoms which occur after the introduction of enteral or parenteral nutrition in undernourished patients. Intrauterine growth restriction (IUGR) is the equivalent of postnatal RFS following the beginning of feeding. The aggressive parenteral nutrition of neonates with very low birth weight (VLBW) resulting from the termination of intrauterine transplacental nutrition is a source of biochemical disorders. The aim of this study was to analyze metabolic disorders in preterm infants during the 1st week of life and to determine the hypophosphatemia risk factors in low birth weight neonates receiving parenteral nutrition...
May 21, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790478/validation-of-a-novel-non-hyperaemic-index-of-coronary-artery-stenosis-severity-the-resting-full-cycle-ratio-validate-rfr-study
#12
Johan Svanerud, Jung-Min Ahn, Allen Jeremias, Marcel van 't Veer, Ankita Gore, Akiko Maehara, Aaron Crowley, Nico H J Pijls, Bernard De Bruyne, Nils P Johnson, Barry Hennigan, Stuart Watkins, Colin Berry, Keith G Oldroyd, Seung-Jung Park, Ziad A Ali
AIMS: Randomised controlled trials have reported instantaneous wave-free ratio (iFR) to be non-inferior to fractional flow reserve (FFR) for major adverse cardiovascular events at one year; however, iFR is limited by sensitive landmarking of the pressure waveform, and the assumption that maximal flow and minimal resistance occur during a fixed period of diastole. We sought to validate the resting full-cycle ratio (RFR), a novel non-hyperaemic index of coronary stenosis severity based on unbiased identification of the lowest distal coronary pressure to aortic pressure ratio (Pd/Pa), independent of the ECG, landmark identification, and timing within the cardiac cycle...
May 23, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29790268/ask-me-children-s-experiences-of-pain-explored-using-the-draw-write-and-tell-method
#13
Nicole Pope, Mary Tallon, Gavin Leslie, Sally Wilson
PURPOSE: Pain management within emergency departments (ED) remains challenging. Given that unrelieved pain in children is linked to a number of negative physiological and psychological consequences, optimal management of children's pain is paramount. Many studies exploring children's pain have adopted quantitative methods or sought the perspectives of adults. Compared to adults, studies examining children's views on pain and pain management are limited. This study aimed to explore children's pain experiences, their perception of pain management and expectations of the role of the nurse...
May 23, 2018: Journal for Specialists in Pediatric Nursing: JSPN
https://www.readbyqxmd.com/read/29790260/endogenous-glp-1-alters-postprandial-functional-connectivity-between-homeostatic-and-reward-related-brain-regions-involved-in-the-regulation-of-appetite-in-healthy-lean-males-a-pilot-study
#14
Anne Christin Meyer-Gerspach, Huynh Giao Ly, Stefan Borgwardt, Patrick Dupont, Christoph Beglinger, Lukas Van Oudenhove, Bettina K Wölnerhanssen
AIMS: Peripheral infusion of glucagon-like peptide-1 (GLP-1) can affect brain activity in areas involved in the regulation of appetite, including hypothalamic and reward-related brain regions. In contrast, the physiological role of endogenous GLP-1 in the central regulation of appetite has hardly been investigated. MATERIALS AND METHODS: The study was performed as randomized, cross-over trial. Twelve healthy volunteers received an intragastric (ig) glucose (gluc) load with or without intravenous (iv) exendin9-39 (ex9-39; specific GLP-1 receptor antagonist)...
May 22, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29789754/ahr-ensures-cells-rest-in-peace
#15
Yvonne Bordon
No abstract text is available yet for this article.
May 22, 2018: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/29789692/pulse-pressure-amplification-and-cardiac-autonomic-dysfunction-in-patients-with-type-2-diabetes-mellitus
#16
Ioanna Eleftheriadou, George C Drosos, Anastasios Tentolouris, Konstantonis George, Petros P Sfikakis, Athanasios D Protogerou, Nikolaos Tentolouris
The main aim of this cross-sectional study was to investigate the association between pulse pressure amplification (PPA) and cardiac autonomic activity (baroreflex sensitivity (BRS) and heart rate variability (HRV)) in patients with type 2 diabetes mellitus (T2DM). In addition, we examined the association between cardiac autonomic activity and central hemodynamic parameters that may affect PPA such as augmentation index (AIx), aortic stiffness (pulse wave velocity (PWV)), and common carotid artery stiffness distensibility coefficient (DC)...
May 23, 2018: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29789648/dalm-rest-in-peace-a-pathologist-s-perspective-on-dysplasia-in-inflammatory-bowel-disease-in-the-post-dalm-era
#17
REVIEW
Kenrry Chiu, Robert H Riddell, David F Schaeffer
There are few abbreviations in surgical pathology that are associated with as much immediate recognition, frustration, and confusion as DALM (dysplasia-associated lesion or mass). DALM is used to describe endoscopically visible dysplastic lesions in the surveillance of patients with inflammatory bowel disease. However, the diagnosis of DALM has been complicated by the inconsistent criteria and use of terminology for describing dysplasia in inflammatory bowel disease, and a tendency to relate DALM with the need for colectomy...
May 22, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29789415/acute-effects-of-different-types-of-resistance-training-on-cardiac-autonomic-modulation-in-copd
#18
Franciele M Vanderlei, Fernando Zandonadi, Fabiano Franciso de Lima, Bruna S A Silva, Ana Paula C F Freire, Dionei Ramos, Ercy Mara C Ramos
BACKGROUND: An exercise modality that has been gaining significant importance in the rehabilitation of subjects with COPD is resistance training. When considering that patients with COPD present alterations in autonomic cardiac modulation caused by the disease itself, it is necessary to investigate the behavior of the autonomic nervous system in relation to this type of exercise. Thus, the objective of this study was to compare the acute effects of resistance training with elastic tubes, elastic bands, and conventional weightlifitng on the behavior of cardiac autonomic modulation in post-exercise recovery in subjects with COPD...
May 22, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29789379/correlated-gene-expression-and-anatomical-communication-support-synchronized-brain-activity-in-the-mouse-functional-connectome
#19
Brian D Mills, David S Grayson, Anandakumar Shunmugavel, Oscar Miranda-Dominguez, Eric Feczko, Eric Earl, Kim Neve, Damien A Fair
Cognition and behavior depend on synchronized intrinsic brain activity that is organized into functional networks across the brain. Research has investigated how anatomical connectivity both shapes and is shaped by these networks, but not how anatomical connectivity interacts with intra-areal molecular properties to drive functional connectivity. Here, we present a novel linear model to explain functional connectivity by integrating systematically obtained measurements of axonal connectivity, gene expression, and resting state functional connectivity MRI in the mouse brain...
May 22, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29789210/should-first-blood-pressure-measurement-be-performed-in-the-newborn
#20
Inês Alves, Tânia Martins, Ana Luísa Neves, Esmeralda Rodrigues, Ana Teixeira, Caldas Afonso, Helena Pinto
Dilated cardiomyopathy is the most common form of cardiomyopathy and the main cause of cardiac transplantation in children and in adults. Infants and children have a wider spectrum of etiologies, hampering their identification. The most frequent initial manifestation of dilated cardiomyopathy is symptomatic heart failure during exercise or at rest (although many patients are asymptomatic). Some causes are potentially reversible, therefore the investigation should be carefully planned and immediately performed after diagnosis...
May 19, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
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