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https://www.readbyqxmd.com/read/28640857/glucose-dysregulation-and-response-to-common-anti-diabetic-agents-in-the-fatzo-pco-mouse
#1
Richard G Peterson, Charles Van Jackson, Karen M Zimmerman, Jorge Alsina-Fernandez, M Dodson Michael, Paul J Emmerson, Tamer Coskun
The FATZO/Pco mouse is the result of a cross of the C57BL/6J and AKR/J strains. The crossing of these two strains and the selective inbreeding for obesity, insulin resistance and hyperglycemia has resulted in an inbred strain exhibiting obesity in the presumed presence of an intact leptin pathway. Routinely used rodent models for obesity and diabetes research have a monogenic defect in leptin signaling that initiates obesity. Given that obesity and its sequelae in humans are polygenic in nature and not associated with leptin signaling defects, the FATZO mouse may represent a more translatable rodent model for study of obesity and its associated metabolic disturbances...
2017: PloS One
https://www.readbyqxmd.com/read/28618249/an-integrative-study-of-motivation-and-goal-regulation-processes-in-subclinical-anxiety-depression-and-hypomania
#2
Joanne M Dickson, Sheri Johnson, Christopher D Huntley, Andrew Peckham, Peter J Taylor
Research has implicated motivation and goal regulation in susceptibility to mood disorders. We studied for the first time key facets of motivation and goal regulation concurrently in relation to affective symptoms. The cross-national sample comprised 510 university students from the United States (n = 279) and United Kingdom (n = 231). Participants completed self-report measures of motivation, conditional goal setting, urgency, depression, anxiety, and mania risk. Structural Equation Modeling results found that behavioral activation system scores correlated negatively with depression and positively with mania risk, but were unrelated to anxiety...
June 3, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28589518/forty-years-of-sodium-channels-structure-function-pharmacology-and-epilepsy
#3
William A Catterall
Voltage-gated sodium channels initiate action potentials in brain neurons. In the 1970s, much was known about the function of sodium channels from measurements of ionic currents using the voltage clamp method, but there was no information about the sodium channel molecules themselves. As a postdoctoral fellow and staff scientist at the National Institutes of Health, I developed neurotoxins as molecular probes of sodium channels in cultured neuroblastoma cells. During those years, Bruce Ransom and I crossed paths as members of the laboratories of Marshall Nirenberg and Philip Nelson and shared insights about sodium channels in neuroblastoma cells from my work and electrical excitability and synaptic transmission in cultured spinal cord neurons from Bruce's pioneering electrophysiological studies...
June 7, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28580253/arthroscopic-patellar-lateral-facetectomy
#4
Marcio B Ferrari, George Sanchez, Jorge Chahla, Gilbert Moatshe, Robert F LaPrade
Isolated patellofemoral osteoarthritis is relatively prevalent, with the lateral facet of the patella being the most commonly affected portion. This pathology can be a result of a patellar maltracking syndrome, patella instability, or idiopathic degenerative changes. A thorough diagnostic work-up with a physical examination and imaging studies are mandatory for a proper diagnosis and to rule out other causes of patellofemoral knee pain. These patients are often treated nonoperatively with exercises for patella mobility, intra-articular injections, braces, patellar tracking, quadriceps balance and strength, and activity modification...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28557395/-analysis-of-the-clinical-efficacy-of-fasetoplasty-method-for-the-treatment-of-facet-syndrome-at-lumbar-spine-in-patients-with-middle-and-old-age-group
#5
V A Byvaltsev, A A Kalinin, A K Okoneshnikova
The aim of the study was to analyze results of using of fasetoplasty method in the treatment of facet-syndrome at lumbar spine in patients with middle and old age groups. The study included 227 patients older than 65 years with degenerative-dystrophic diseases of the lumbosacral spine and the clinical manifestations in the form of a facet syndrome, which in the period from 2010 to 2013 years made fasetoplasty prosthesis of synovial fluid. To assess the clinical effectiveness of using a visual analogue scale of pain (VAS) and a questionnaire for patients with back problems in Oswestry...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28556909/altered-postcapillary-and-collecting-venular-reactivity-in-skeletal-muscle-with-metabolic-syndrome
#6
Kent A Lemaster, Zahra Farid, Robert W Brock, Carl D Shrader, Daniel Goldman, Dwayne N Jackson, Jefferson C Frisbee
While research into vascular outcomes of the metabolic syndrome has focused on arterial/arteriolar and capillary levels, investigation into venular function and how this impacts responses has received little attention. Using the in situ cremaster muscle of obese Zucker rats (OZR; with leans (LZR) as controls), we determined indices of venular function. At ∼17 weeks of age, skeletal muscle post-capillary venular density was reduced by ∼20% in LZR vs. OZR, although there was no evidence of remodeling of the venular wall...
May 30, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28508761/posterior-branches-of-lumbar-spinal-nerves-part-ii-lumbar-facet-syndrome-pathomechanism-symptomatology-and-diagnostic-work-up
#7
Katarzyna Kozera, Bogdan Ciszek, Paweł Szaro
Posterior branches of the lumbar spinal nerves are the anatomic substrate of pain in the lower back, sacrum and the gluteal area. Such pain may be associated with various pathologies which cause pain in the posterior branches of the lumbar spinal nerves due to entrapment, mechanical irritation or inflammatory reaction and/or degeneration. The posterior branches are of significant functional importance, which is related to the function of the structures they supply, including facet joints, which are the basic biomechanical units of the spine...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28482213/brain-predicted-age-in-down-syndrome-is-associated-with-beta-amyloid-deposition-and-cognitive-decline
#8
James H Cole, Tiina Annus, Liam R Wilson, Ridhaa Remtulla, Young T Hong, Tim D Fryer, Julio Acosta-Cabronero, Arturo Cardenas-Blanco, Robert Smith, David K Menon, Shahid H Zaman, Peter J Nestor, Anthony J Holland
Individuals with Down syndrome (DS) are more likely to experience earlier onset of multiple facets of physiological aging. This includes brain atrophy, beta amyloid deposition, cognitive decline, and Alzheimer's disease-factors indicative of brain aging. Here, we employed a machine learning approach, using structural neuroimaging data to predict age (i.e., brain-predicted age) in people with DS (N = 46) and typically developing controls (N = 30). Chronological age was then subtracted from brain-predicted age to generate a brain-predicted age difference (brain-PAD) score...
April 18, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28469831/hereditary-gingival-fibromatosis-characteristics-and-treatment-approach
#9
Pedro J Almiñana-Pastor, Pedro J Buitrago-Vera, Francisco M Alpiste-Illueca, Montserrat Catalá-Pizarro
Hereditary gingival fibromatosis (HGF) is a rare disorder characterized by a benign, non-hemorrhagic, fibrous gingival overgrowth that can appear in isolation or as part of a syndrome. Clinically, a pink gingiva with marked stippling can be seen to cover almost all the tooth, in many cases preventing eruption. HGF usually begins during the transition from primary to permanent teeth, giving rise to a condition that can have negative psychological effects at that age. As it does not resolve spontaneously, the treatment of choice is gingivectomy, which can be performed with an internal or external bevel incision, depending on each case and bearing in mind the changes that will take place at the dentogingival junction (DGJ)...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28465193/clinical-outcomes-of-proximal-row-carpectomy-by-preoperative-midcarpal-joint-morphological-classification-viegas-type-i-versus-type-ii
#10
A Toffoli, H Lenoir, C Lazerges, B Coulet, M Chammas
The midcarpal joint can be classified into two anatomical types - Viegas type I and Viegas type II - based on the absence or presence of a medial facet for the hamate on the lunate (lunohamate facet). Type I is associated with a round capitate shape, which theoretically allows better congruence with the lunate fossa of the distal radius following proximal row carpectomy (PRC). This morphological feature has never been considered as a predictive factor of clinical outcome for this surgical procedure. This study aimed to compare the clinical and radiological outcomes of the two Viegas types following PRC...
June 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28421079/severe-sequelae-to-mold-related-illness-as-demonstrated-in-two-finnish-cohorts
#11
Tamara Tuuminen, Kyösti Sakari Rinne
The presence of toxic indoor molds with accompanying bacterial growth is clearly detrimental to human health. The pathophysiological and toxicological effects of toxins and structural components of molds and bacteria have been clarified in experiments conducted in tissue culture and animals, and there is convincing epidemiologic evidence; nonetheless their implications for human health are either ignored or denied, at least in Finland. In this communication, we describe two cohorts suffering severe sequelae to mold-related illness...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28413739/genetic-modulation-therapy-through-stem-cell-transplantation-for-human-immunodeficiency-virus-1-infection
#12
REVIEW
Varshil Mehta, Divya Chandramohan, Shivika Agarwal
Highly active anti-retroviral treatment has changed the dimensions of the outcomes for patients suffering from human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS). However, HIV infection is still an ailment which is spreading throughout the world extensively. Given the confinements of the present restorative methodologies and the non-availability of any strategic vaccination against HIV, there is a squeezing need to build a therapeutic treatment. Viral tropism for HIV includes CD4+ cells, macrophages, and microglial cells, and it is through binding with co-receptors C-C chemokine receptor type 5 (CCR5) and C-X-C chemokine receptor type 4 (CXCR4)...
March 13, 2017: Curēus
https://www.readbyqxmd.com/read/28403645/classification-the-key-to-understanding-facial-pain
#13
Peter Svensson, Arne May
It is indisputable that the global scientific advances in headache research, be it bench or bedside, have benefited enormously from the operational diagnostic criteria published in 1988. Today, this classification system is indispensable. The reason for this success is a low inter-rater variability. In general, orofacial pain conditions are less well characterised - with the noticeable exemption of temporomandibular disorder pain. Tremendous work has been put into changing this, and significant progress has been achieved - in particular, in terms of the clinical implications and overriding conceptual models for oro-facial pain...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28401817/contesting-facts-about-wind-farms-in-australia-and-the-legitimacy-of-adverse-health-effects
#14
Shannon Clark, Linda Courtenay Botterill
The development of wind energy in Australia has been subject to ongoing public debate and has been characterised by concerns over the health impacts of wind turbines. Using discursive psychology, we examine 'wind turbine syndrome' as a contested illness and analyse how people build and undermine divergent arguments about wind-farm health effects. This article explores two facets of the dispute. First, we consider how participants construct 'facts' about the health effects of wind farms. We examine rhetorical resources used to construct wind farms as harmful or benign...
February 1, 2017: Health (London)
https://www.readbyqxmd.com/read/28397700/narcotic-bowel-syndrome
#15
REVIEW
Adam D Farmer, Jayne Gallagher, Caroline Bruckner-Holt, Qasim Aziz
Narcotic bowel syndrome is characterised by worsening abdominal pain in the context of escalating or continuous opioid therapy. Although narcotic bowel syndrome is rarely diagnosed, given the current epidemic of opioid use, it is likely to be under-recognised. The underlying pathophysiological mechanisms of narcotic bowel syndrome are incompletely understood; however, opioid-induced hyperalgesia is likely to be a central facet. The putative mechanisms of hyperalgesia include activation of bimodal opioid regulatory systems, counter-regulatory mechanisms, neuroinflammation, opioid facilitation, and interactions of the N-methyl D-aspartate receptor with opioids at the level of the spinal cord...
May 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28387614/reduction-of-atlantoaxial-dislocation-prevented-by-pathological-position-of-the-transverse-ligament-in-fixed-irreducible-os-odontoideum-operative-illustrations-and-radiographic-correlates-in-41-patients
#16
Brian J Dlouhy, Bruno A Policeni, Arnold H Menezes
OBJECTIVE Os odontoideum (OO) is a craniovertebral junction (CVJ) abnormality in which an ossicle (small bone) is cranial to a hypoplastic dens by a variable gap. This abnormality can result in instability, which may be reducible or irreducible. What leads to irreducibility in OO is unclear. Therefore, the authors sought to better understand the causes of irreducibility in OO. METHODS A retrospective review was conducted, which identified more than 200 patients who had undergone surgical treatment for OO between 1978 and 2015 at the University of Iowa Hospitals and Clinics...
April 7, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28384884/a-study-to-assess-the-therapeutic-effect-of-enalapril-on-olanzapine-induced-metabolic-syndrome-in-wistar-rats
#17
Avinash Arivazhahan, Laxminarayana Kurady Bairy, Veena Nayak, Sushil Kiran Kunder
INTRODUCTION: Metabolic Syndrome (MS) is a complex of risk factors for the development of cardiovascular complications and Type 2 Diabetes Mellitus (DM). Pharmacological management of the condition is complex, as multiple drug groups have to be used, as the syndrome itself is multi faceted. Angiotensin Converting Enzyme Inhibitors (ACEIs) are chiefly used to manage the hypertensive component of the syndrome. However, recent studies have shown that these drugs may have a role in the non hypertensive aspects of the syndrome as well...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28379464/filum-terminale-needle-placement-during-caudal-epidural-steroid-injection
#18
Ryan R Ramsook, David Spinner, Rajiv R Doshi
Objective. : Caudal epidural steroid injections (ESIs) are commonly used to treat lumbar radicular pain. Touhy needles are placed under live fluoroscopic guidance to ensure epidural administration of medication. This is a case report of direct needle and catheter placements into and through the filum terminale during a caudal approach to the epidural space. Design. : Single case report. Setting. : Beth Israel Deaconess Medical Center...
March 30, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28369611/attacking-heterogeneity-in-schizophrenia-by-deriving-clinical-subgroups-from-widely-available-symptom-data
#19
Dwight Dickinson, Danielle N Pratt, Evan J Giangrande, MeiLin Grunnagle, Jennifer Orel, Daniel R Weinberger, Joseph H Callicott, Karen F Berman
Previous research has identified (1) a "deficit" subtype of schizophrenia characterized by enduring negative symptoms and diminished emotionality and (2) a "distress" subtype associated with high emotionality-including anxiety, depression, and stress sensitivity. Individuals in deficit and distress categories differ sharply in development, clinical course and behavior, and show distinct biological markers, perhaps signaling different etiologies. We tested whether deficit and distress subtypes would emerge from a simple but novel data-driven subgrouping analysis, based on Positive and Negative Syndrome Scale (PANSS) negative and distress symptom dimensions, and whether subgrouping was informative regarding other facets of behavior and brain function...
March 20, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28352945/shunt-overdrainage-syndrome-review-of-the-literature
#20
REVIEW
Bienvenido Ros, Sara Iglesias, Álvaro Martín, Antonio Carrasco, Guillermo Ibáñez, Miguel A Arráez
Shunt overdrainage in patients with hydrocephalus still represents a challenge for neurosurgeons, in part due to the lack of agreement or uniformity concerning the entity. Important problems exist relating to the real incidence of the entity, its definition, classification, and the pathophysiological theories behind the various treatment strategies proposed. Recent reports have suggested that the evidence about overdrainage and its consequences is not so robust as presumed. Consequently, the topic requires more detailed examination...
March 29, 2017: Neurosurgical Review
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