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https://www.readbyqxmd.com/read/28813340/athletes-with-eating-disorder-symptomatology-a-specific-population-with-specific-needs
#1
REVIEW
A P Karin de Bruin
This review presents recent studies into the prevalence, process, treatment and prevention of eating disorders in athletes. Most prevalence studies showed that increased risk for athletes exists. Methodological challenges for future prevalence studies concern the choice of methods, measurements, categorization, and sampling. To determine why athletes are at increased risk, more prospective studies using multi-factorial models and multiple risk pathways are needed. Epidemiological risk factor studies, however, do not provide us with a true understanding of the eating disorder process...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28812671/sulfate-radicals-enable-a-non-enzymatic-krebs-cycle-precursor
#2
Markus A Keller, Domen Kampjut, Stuart A Harrison, Markus Ralser
The evolutionary origins of the Krebs cycle (tricarboxylic acid cycle) are not currently clear. Despite the existence of a simple non-enzymatic Krebs cycle catalyst being dismissed only a few years ago as 'an appeal to magic', citrate and other intermediates have since been discovered on a carbonaceous meteorite and do interconvert non-enzymatically. To identify a metabolism-like non-enzymatic Krebs cycle catalyst, we used combinatorial, quantitative high-throughput metabolomics to systematically screen iron and sulfate compounds in a reaction mixture that orients on the typical components of Archaean sediment...
March 13, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28808901/the-utility-of-routine-intensive-care-admission-for-patients-undergoing-intracranial-neurosurgical-procedures-a-systematic-review
#3
Cesar Cimonari de Almeida, M Dustin Boone, Yosef Laviv, Burkhard S Kasper, Clark C Chen, Ekkehard M Kasper
BACKGROUND: Patients who have undergone intracranial neurosurgical procedures have traditionally been admitted to an intensive care unit (ICU) for close postoperative neurological observation. The purpose of this study was to systematically review the evidence for routine ICU admission in patients undergoing intracranial neurosurgical procedures and to evaluate the safety of alternative postoperative pathways. METHODS: We were interested in identifying studies that examined selected patients who presented for elective, non-emergent intracranial surgery whose postoperative outcomes were compared as a function of ICU versus non-ICU admission...
August 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28808868/effect-of-multimodal-analgesia-on-opioid-use-after-open-ventral-hernia-repair
#4
Jeremy A Warren, Caroline Stoddard, Ahan L Hunter, Anthony J Horton, Carlyn Atwood, Joseph A Ewing, Steven Pusker, Vito A Cancellaro, Kevin B Walker, William S Cobb, Alfredo M Carbonell, Robert R Morgan
BACKGROUND: There is limited data on enhanced recovery after surgery (ERAS) protocols after ventral hernia repair (VHR). This study reports the impact of multimodal analgesia on opioid use after open VHR. METHODS: Retrospective review of open VHR treated during the initial 6 months after ERAS implementation. Protocol focused on opioid sparing using intraoperative ketamine and/or lidocaine infusion, selective epidural anesthesia, and postoperative ketamine infusion, ketorolac, and acetaminophen...
August 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28808445/targeting-adult-neurogenesis-for-poststroke-therapy
#5
REVIEW
Jianfei Lu, Anatol Manaenko, Qin Hu
Adult neurogenesis mainly occurs at the subventricular zone (SVZ) on the walls of the lateral ventricle and the subgranular zone (SGZ) of the dentate gyrus (DG). However, the majority of newborn neurons undergo programmed cell death (PCD) during the period of proliferation, migration, and integration. Stroke activates neural stem cells (NSCs) in both SVZ and SGZ. This process is regulated by a wide variety of signaling pathways. However, the newborn neurons derived from adult neurogenesis are insufficient for tissue repair and function recovery...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28807602/neutralization-of-interferon-%C3%AE-reverts-clinical-and-laboratory-features-in-a-mouse-model-of-macrophage-activation-syndrome
#6
Giusi Prencipe, Ivan Caiello, Antonia Pascarella, Alexei A Grom, Claudia Bracaglia, Laurence Chatel, Walter G Ferlin, Emiliano Marasco, Raffaele Strippoli, Cristina de Min, Fabrizio De Benedetti
BACKGROUND: The pathogenesis of macrophage activation syndrome (MAS) is not clearly understood: a large body of evidence supports the involvement of mechanisms similar to those implicated in primary hemophagocytic lymphohistiocytosis. OBJECTIVE: To investigate the pathogenic role of interferon-γ (IFNγ) and the therapeutic efficacy of IFNγ neutralization in an animal model of macrophage activation syndrome. METHODS: We used a MAS model established in mice transgenic for human interleukin-6 (IL-6TG) challenged with LPS (MAS mice)...
August 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28807492/neuropsychiatric-involvement-in-lupus-is-associated-with-the-nogo-a-ngr1-pathway
#7
Hong-Wei Lei, Jing-Yuan Wang, Qiu-Jie Dang, Fan Yang, Xin Liu, Ji-Hui Zhang, Yang Li
Neuroinflammation- and neurodegeneration-induced nerve injury may represent important components of neuropsychiatric lupus (NPSLE). Myelin-associated neurite outgrowth inhibitor (Nogo)-a and its receptor, NgR1, limit recovery of the adult central nervous system after injury. We detected a soluble Nogo-a product in the cerebral spinal fluid of patients with NPSLE. In a mouse model of lupus, aging was associated with an increase in Nogo-a positive neurons, diminished myelin sheaths, enhanced pro-inflammatory cytokines, and impaired cognition and memory...
July 9, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28807482/postoperative-complications-after-head-and-neck-operations-that-require-free-tissue-transfer-prevalence-morbidity-and-cost
#8
J McMahon, T P B Handley, A Bobinskas, M Elsapagh, H S Anwar, P V Ricciardo, A McLaren, R Davis, N Syyed, C MacIver, C Wales, W S Hislop, E Thomson, S Thomson, K Fitzpatrick, A Rae, R Campbell
To understand and reduce the impact of postoperative complications, we studied 568 patients who had had operations over 72 months in our hospital. Multivariate analysis indicated that factors indicative of coexisting conditions (including activated systemic inflammation) and the complexity of the operation are primary determinants of postoperative complications. The enhanced recovery after surgery (ERAS) care pathway did not have an effect on their occurrence or severity. Systematic study of patients' toleration of major head and neck operations is required, as optimal perioperative care pathways remain elusive...
August 11, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28806419/effects-of-short-term-dry-immersion-on-bone-remodeling-markers-insulin-and-adipokines
#9
Marie-Thérèse Linossier, Liubov E Amirova, Mireille Thomas, Myriam Normand, Marie-Pierre Bareille, Guillemette Gauquelin-Koch, Arnaud Beck, Marie-Claude Costes-Salon, Christine Bonneau, Claude Gharib, Marc-Antoine Custaud, Laurence Vico
BACKGROUND: Dry immersion (DI), a ground-based model of microgravity previously used in Russia, has been recently implemented in France. The aim of this study was to analyze early events in a short-term DI model in which all conditions are met to investigate who is first challenged from osteo- or adipo-kines and to what extent they are associated to insulin-regulating hormones. METHODS: Twelve healthy men were submitted to a 3-day DI. Fasting blood was collected during pre-immersion phase for the determination of the baseline data collection (BDC), daily during DI (DI24h, DI48H and DI72h), then after recovery (R+3h and R+24h)...
2017: PloS One
https://www.readbyqxmd.com/read/28803968/acute-spinal-cord-injury-a-review-of-pathophysiology-and-potential-of-non-steroidal-anti-inflammatory-drugs-for-pharmacological-intervention
#10
REVIEW
Emrullah Hayta, Hasan Elden
Acute spinal cord injury (SCI) is one of the serious central nervous system injuries, which can lead to significant neurological impairments and a reduction in quality of life with loss in sensory and motor functions. Although recent advancements contribute to the understanding of the underlying pathophysiological processes developed after SCI, currently, there is limited innovative and effective treatment options besides conventional rehabilitation and management of SCI to alleviate the condition. Improvements in neurological functions of the individuals with SCI depend mainly on the mechanical damage occurring in the primary injury and on pathophysiological alterations associated with secondary damage...
August 10, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28803399/blood-purine-measurements-as-a-rapid-real-time-indicator-of-reversible-brain-ischaemia
#11
Faming Tian, Fakhra Bibi, Nicholas Dale, Christopher H E Imray
To preserve the disequilibrium between ATP and ADP necessary to drive cellular metabolism, enzymatic pathways rapidly convert ADP to adenosine and the downstream purines inosine and hypoxanthine. During ischaemia, these same pathways result in the production of purines. We performed a prospective observational study to test whether purine levels in arterial blood might correlate with brain ischaemia. We made real-time perioperative measurements, via microelectrode biosensors, of the purine levels in untreated arterial blood from 18 patients undergoing regional anaesthetic carotid endarterectomy...
August 12, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28803093/parental-reflective-functioning-as-a-moderator-of-child-internalizing-difficulties-in-the-context-of-child-sexual-abuse
#12
Karin Ensink, Michaël Bégin, Lina Normandin, Peter Fonagy
The objective was to examine pathways from child sexual abuse (CSA) and maternal mentalizing to child internalizing and externalizing difficulties and to test a model of MRF as a moderator of the relationships between CSA and child difficulties. The sample was comprised of 154 mothers and children aged 2-12 where 64 children had experienced CSA. To assess parental mentalizing the Parental Development Interview was rated with the Parental Reflective Functioning Scale. Child internalizing and externalizing difficulties were assessed with the Child Behavior Checklist (CBCL)...
July 26, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28802904/baicalin-may-alleviate-inflammatory-infiltration-in-dextran-sodium-sulfate-induced-chronic-ulcerative-colitis-via-inhibiting-il-33-expression
#13
Cheng-Liang Zhang, Si Zhang, Wen-Xi He, Jing-Li Lu, Yan-Jiao Xu, Jin-Yu Yang, Dong Liu
AIMS: To investigate the therapeutic effect of baicalin treatment in chronic ulcerative colitis (UC), and explore the potential anti-inflammation mechanism(s) via IL-33 pathway. MAIN METHODS: UC model were established by giving three cycles of 5-day 2% Dextran sodium sulfate (DSS) with two intervals of 14-day recovery in mice, totaling 43days. At the 13th day of the UC modeling, mice received baicalin at doses of 50, 100, or 150mg/kg, respectively. Disease activity index (DAI) assessment as well as HE and PAS staining were performed...
August 9, 2017: Life Sciences
https://www.readbyqxmd.com/read/28802064/neurokinin-3-receptor-antagonism-decreases-gonadotropin-and-testosterone-secretion-in-healthy-men
#14
Karolina Skorupskaite, Jyothis T George, Johannes D Veldhuis, Robert P Millar, Richard A Anderson
OBJECTIVE: Patients with mutations of NKB and its receptor show hypogonadotrophic hypogonadism, but there is little evidence for the importance of this pathway in reproductive function in normal men, or its functional hierarchy with kisspeptin. DESIGN: An open label study wherein men (n=6) were administered the NK3R antagonist MLE4901 40mg orally twice a day for 7 days. Kisspeptin-10 (0.3 μg/kg iv bolus) was given before and on day 7 of NK3R antagonist treatment...
August 12, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28801645/chronic-intermittent-hypobaric-hypoxia-improves-cardiac-function-through-inhibition-of-endoplasmic-reticulum-stress
#15
Fang Yuan, Li Zhang, Yan-Qing Li, Xu Teng, Si-Yu Tian, Xiao-Ran Wang, Yi Zhang
We investigated the role of endoplasmic reticulum stress (ERS) in chronic intermittent hypobaric hypoxia (CIHH)-induced cardiac protection. Adult male Sprague-Dawley rats were exposed to CIHH treatment simulating 5000 m altitude for 28 days, 6 hours per day. The heart was isolated and perfused with Langendorff apparatus and subjected to 30-min ischemia followed by 60-min reperfusion. Cardiac function, infarct size, and lactate dehydrogenase (LDH) activity were assessed. Expression of ERS molecular chaperones (GRP78, CHOP and caspase-12) was assayed by western blot analysis...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801130/prospective-implementation-of-enhanced-recovery-after-surgery-protocols-to-radical-cystectomy
#16
Karl H Pang, Ruth Groves, Suresh Venugopal, Aidan P Noon, James W F Catto
BACKGROUND: Multimodal enhanced recovery after surgery (ERAS) regimens have improved outcomes from colorectal surgery. OBJECTIVE: We report the application of ERAS to patients undergoing radical cystectomy (RC). DESIGN, SETTING, AND PARTICIPANTS: Prospective collection of outcomes from consecutive patients undergoing RC at a single institution. INTERVENTION: Twenty-six components including prehabilitation exercise, same day admission, carbohydrate fluid loading, targeted intraoperative fluid resuscitation, regional local anaesthesia, cessation of nasogastric tubes, omitting oral bowel preparation, avoiding drain use, early mobilisation, chewing gum use, and audit...
August 8, 2017: European Urology
https://www.readbyqxmd.com/read/28798244/atypical-haemolytic-uremic-syndrome-ahus-and-membranoproliferative-glomerulonephritis-mpgn-different-diseases-or-a-spectrum-of-complement-mediated-glomerular-diseases
#17
Ghada A Ankawi, William F Clark
Historically, patients with kidney diseases caused by genetic or acquired dysregulation of the complement alternative pathway have been grouped into clinical syndromes, C3 glomerulopathy (C3GN/DDD) and thrombotic microangiopathy (TMA), specifically atypical haemolytic uremic syndrome (aHUS). Recent data suggested that these diseases share a common pathophysiology and that patients can transition between glomerulopathies in this spectrum. Histopathologically, the main difference cited is the immunofluorescence (IF) findings, with C3 predominance in C3 glomerulopathy (compared with immunoglobulins and complements in immune complex-mediated membranoproliferative glomerulonephritis (MPGN)) and negative IF in TMA...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28797614/delayed-varenicline-administration-reduces-inflammation-and-improves-forelimb-use-following-experimental-stroke
#18
Siyi Chen, Laura Bennet, Ailsa L McGregor
BACKGROUND: Pharmacological activation of the cholinergic anti-inflammatory pathway (CAP), specifically by activating α7 nicotinic acetylcholine receptors, has been shown to confer short-term improvements in outcome. Most studies have investigated administration within 24 hours of stroke, and few have investigated drugs approved for use in human patients. We investigated whether delayed administration of varenicline, a high-affinity agonist at α7 nicotinic receptors and an established therapy for nicotine addiction, decreased brain inflammation and improved functional performance in a mouse model of experimental stroke...
August 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28797102/uterotubal-junction-prevents-chlamydial-ascension-via-innate-immunity
#19
Yuyang Zhang, Lili Shao, Xiaodong Li, Guangming Zhong
Ascension to the oviduct is necessary for Chlamydia to induce tubal infertility. Using the Chlamydia muridarum induction of hydrosalpinx mouse model, we have demonstrated a significant role of the uterotubal junction in preventing chlamydial ascending infection. First, delivery of C. muridarum to either side of the uterotubal junction resulted in significant reduction in live organisms from the tissues on the opposite sides. However, the recovery yields remained similar among different sections of the uterine horn...
2017: PloS One
https://www.readbyqxmd.com/read/28797057/a%C3%AE-42-mediated-proteasome-inhibition-and-associated-tau-pathology-in-hippocampus-are-governed-by-a-lysosomal-response-involving-cathepsin-b-evidence-for-protective-crosstalk-between-protein-clearance-pathways
#20
Karen L G Farizatto, Uzoma S Ikonne, Michael F Almeida, Merari F R Ferrari, Ben A Bahr
Impaired protein clearance likely increases the risk of protein accumulation disorders including Alzheimer's disease (AD). Protein degradation through the proteasome pathway decreases with age and in AD brains, and the Aβ42 peptide has been shown to impair proteasome function in cultured cells and in a cell-free model. Here, Aβ42 was studied in brain tissue to measure changes in protein clearance pathways and related secondary pathology. Oligomerized Aβ42 (0.5-1.5 μM) reduced proteasome activity by 62% in hippocampal slice cultures over a 4-6-day period, corresponding with increased tau phosphorylation and reduced synaptophysin levels...
2017: PloS One
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