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https://www.readbyqxmd.com/read/29346771/rapid-turnover-of-cortical-ncam1-regulates-synaptic-reorganization-after-peripheral-nerve-injury
#1
Hyoung-Gon Ko, Jun-Hyeok Choi, Dong Ik Park, SukJae Joshua Kang, Chae-Seok Lim, Su-Eon Sim, Jaehoon Shim, Ji-Il Kim, Siyong Kim, Tae-Hyeok Choi, Sanghyun Ye, Jaehyun Lee, Pojeong Park, Somi Kim, Jeehaeh Do, Jihye Park, Md Ariful Islam, Hyun Jeong Kim, Christoph W Turck, Graham L Collingridge, Min Zhuo, Bong-Kiun Kaang
Peripheral nerve injury can induce pathological conditions that lead to persistent sensitized nociception. Although there is evidence that plastic changes in the cortex contribute to this process, the underlying molecular mechanisms are unclear. Here, we find that activation of the anterior cingulate cortex (ACC) induced by peripheral nerve injury increases the turnover of specific synaptic proteins in a persistent manner. We demonstrate that neural cell adhesion molecule 1 (NCAM1) is one of the molecules involved and show that it mediates spine reorganization and contributes to the behavioral sensitization...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29345556/positional-differences-in-elite-basketball-selecting-appropriate-training-load-measures
#2
Luka Svilar, Julen Castellano, Igor Jukic, David Casamichana
PURPOSE: The purpose of this paper was to study the structure of interrelationships among external training load measures and how these vary among different positions in elite basketball. METHODS: Eight external variables of jumping (JUMP), acceleration (ACC), deceleration (DEC) and change of direction (COD), and two internal load variables (RPE and sRPE) were collected from 13 professional players with 300 session records. Three playing positions were considered: guards (n=4), forwards (n=4) and centers (n=5)...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29345166/effects-of-coffee-components-on-muscle-glycogen-recovery-a-systematic-review
#3
Laís Monteiro Rodrigues Loureiro, Caio Eduardo Gonçalves Reis, Teresa Helena Macedo da Costa
Coffee is one of the most consumed beverages in the world and it can improve insulin sensitivity, stimulating glucose uptake in skeletal muscle when adequate carbohydrate intake is observed. The aim of this review is to analyze the effects of coffee and coffee components on muscle glycogen metabolism. A literature search was conducted according to PRISMA and seven studies were included. They explored the effects of coffee components on various substances and signaling proteins. In one of the studies with humans, caffeine was shown to increase glucose levels, Ca2+/calmodulin-dependent protein kinase (CaMK) phosphorylation, glycogen resynthesis rates and glycogen accumulation after exercise...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29345155/minimally-invasive-adrenal-surgery-virtue-or-vice
#4
Jared S Winoker, David T Ahlborn, Olamide O Omidele, Gustavo Fernandez-Ranvier, Ithaar H Derweesh, Reza Mehrazin
Adrenocortical carcinoma (ACC) is a rare malignancy associated with poor prognosis despite available treatments. In patients with localized or locally advanced disease, complete resection with negative margins offers the only potential for cure. Unfortunately, most patients develop local and distant recurrence following initial resection highlighting the importance of meticulous surgical technique in the hands of an experienced surgeon. While minimally invasive surgery (MIS) has supplanted open surgery for small to medium-sized benign adrenal tumors, controversy surrounds the use of MIS for resection of ACC...
January 18, 2018: Future Oncology
https://www.readbyqxmd.com/read/29344478/incidentally-discovered-adenoid-cystic-carcinoma-of-the-lacrimal-gland-with-isolated-liver-metastases
#5
Robi N Maamari, Philip L Custer, George J Harocopos
Aim: To report a rare presentation of adenoid cystic carcinoma (ACC) of the lacrimal gland. Method: This is a case report presenting clinical, radiographic, and histopathologic findings. Results: A 72-year-old female with no reported ocular symptoms was found to have an incidental right orbital mass on imaging. Additional studies revealed multiple liver lesions, which were biopsied and found to be consistent with ACC. She was then referred to the ophthalmology service, where ocular examination demonstrated 2...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29342266/causes-patterns-and-severity-of-androgen-excess-in-1205-consecutively-recruited-women
#6
Yasir S Elhassan, Jan Idkowiak, Karen Smith, Miriam Asia, Helena Gleeson, Rachel Webster, Wiebke Arlt, Michael W O'Reilly
Context: Androgen excess in women is predominantly due to underlying polycystic ovary syndrome (PCOS). However there is a lack of clarity regarding patterns and severity of androgen excess that should be considered predictive of non-PCOS pathology. Objective: We examined the diagnostic utility of simultaneous measurement of serum dehydroepiandrosterone sulfate (DHEAS), androstenedione (A4) and testosterone (T) to delineate biochemical signatures and cut-offs predictive of non-PCOS disorders in women with androgen excess...
January 12, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29339471/laminar-recordings-in-frontal-cortex-suggest-distinct-layers-for-maintenance-and-control-of-working-memory
#7
André M Bastos, Roman Loonis, Simon Kornblith, Mikael Lundqvist, Earl K Miller
All of the cerebral cortex has some degree of laminar organization. These different layers are composed of neurons with distinct connectivity patterns, embryonic origins, and molecular profiles. There are little data on the laminar specificity of cognitive functions in the frontal cortex, however. We recorded neuronal spiking/local field potentials (LFPs) using laminar probes in the frontal cortex (PMd, 8A, 8B, SMA/ACC, DLPFC, and VLPFC) of monkeys performing working memory (WM) tasks. LFP power in the gamma band (50-250 Hz) was strongest in superficial layers, and LFP power in the alpha/beta band (4-22 Hz) was strongest in deep layers...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339197/differential-insulin-and-steroidogenic-signaling-in-insulin-resistant-and-non-insulin-resistant-human-luteinized-granulosa-cells-a-study-in-pcos-patients
#8
Muskaan Belani, Abhilash Deo, Preeti Shah, Manish Banker, Pawan Singal, Sarita Gupta
Insulin resistance (IR) is one of the significant aberrations in polycystic ovarian syndrome (PCOS), however is only observed in 70%-80% of obese PCOS and 20%-25% of lean PCOS. Hyperinsulinemia accompanies PCOS-IR along with hyperandrogenemia against normal insulin and androgen levels in PCOS-non insulin resistance (NIR). This could possibly be due to defects in the downstream signaling pathways. The study thus aims to unravel insulin and steroidogenic signaling pathways in luteinized granulosa cells isolated from PCOS -IR and NIR vs matched controls...
January 12, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29338075/lkb1-ampk-mediated-regulation-by-gentiopicroside-ameliorates-p2x7r-dependent-alcoholic-hepatosteatosis
#9
Xia Li, Yu Zhang, Quan Jin, Kai-Li Xia, Min Jiang, Ben-Wen Cui, Yan-Ling Wu, Shun-Zong Song, Li-Hua Lian, Ji-Xing Nan
BACKGROUND AND PURPOSE: Regulating P2x7R-NLRP3 inflammasome activation might be a potential therapeutic strategy to treat alcoholic hepatosteatosis. We investigated whether this process would be modulated by gentiopicroside (GPS), which is the main active secoiridoid glycoside from Gentiana manshurica Kitagawa. EXPERIMENTAL APPROACH: In vivo models of acute and chronic alcoholic hepatosteatosis were established by intragastrically administrated ethanol or using chronic plus binge ethanol feeding of Lieber-DeCarli liquid diet to male C57BL/6 mice...
January 16, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29336609/fibroblast-growth-factor-23-fgf23-gene-polymorphisms-are-associated-with-essential-hypertension-risk-and-blood-pressure-levels-in-chinese-han-population
#10
Peng Cai, Yan Peng, Li Li, Wei Chu, Xukai Wang
In this case-control study, 246 EH patients and 157 healthy controls were selected from Chinese Han population to explore the associations between the fibroblast growth factor 23 (FGF23) gene polymorphisms and essential hypertension (EH).The SequenomMassarray system was used for the genotyping of three FGF23 gene Tag single-nucleotide polymorphisms, namely rs7955866, rs13312756, and rs3812822. The primers were designed by Assay Designer 3.1 software, and then the samples were added to a 384-well plate for the polymerase chain reaction amplification, shrimp alkaline phosphatase reaction, and desalting after extension...
January 16, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29335357/nonlinear-relationship-between-spike-dependent-calcium-influx-and-trpc-channel-activation-enables-robust-persistent-spiking-in-neurons-of-the-anterior-cingulate-cortex
#11
Stéphanie Ratté, Sergei Karnup, Steven A Prescott
Persistent spiking - the continuation of spiking after a stimulus ends - is thought to support working memory. Muscarinic receptor activation enables persistent spiking among synaptically isolated pyramidal neurons in anterior cingulate cortex (ACC) but a detailed characterization of that spiking is lacking and the underlying mechanisms remain unclear. Here we show that the rate of persistent spiking in ACC neurons is insensitive to the intensity and number of triggers but can be modulated by injected current, and that persistent spiking can resume after several seconds of hyperpolarization-imposed quiescence...
January 15, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29334035/neural-correlates-of-ostracism-in-transgender-persons-living-according-to-their-gender-identity-a-potential-risk-marker-for-psychopathology
#12
Sven C Mueller, Katrien Wierckx, Sara Boccadoro, Guy T'Sjoen
BACKGROUND: Stigmatization in society carries a high risk for development of psychopathology. Transgender persons are at particularly high risk for such stigmatization and social rejection by others. However, the neural correlates of ostracism in this group have not been captured. METHOD: Twenty transgender men (TM, female-to-male) and 19 transgender women (TW, male-to-female) already living in their gender identity and 20 cisgender men (CM) and 20 cisgender women (CW) completed a cyberball task assessing both exclusion and re-inclusion during functional magnetic resonance imaging (fMRI)...
January 15, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29332914/long-term-clinical-outcomes-after-treatment-with-excimer-laser-coronary-atherectomy-for-in-stent-restenosis-of-drug-eluting-stent
#13
Eiji Ichimoto, Tadayuki Kadohira, Takashi Nakayama, Joseph De Gregorio
Excimer laser coronary atherectomy (ELCA) has been used for the treatment of complex percutaneous coronary intervention (PCI) such as in-stent restenosis (ISR). However, little information was provided about the clinical outcomes after treatment with ELCA for ISR of drug-eluting stents (DES). This study aimed to investigate the long-term clinical outcomes after PCI with ELCA for ISR of DES.A total of 81 consecutive patients with 87 lesions who underwent PCI for ISR of DES were included. Patients were classified into a PCI with ELCA group (23 patients with 24 lesions) and a PCI without ELCA group (58 patients with 63 lesions)...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29332161/the-computed-tomography-adrenal-wash-out-analysis-properly-classifies-cortisol-secreting-adrenocortical-adenomas
#14
Anne-Laure Humbert, Guillaume Lecoanet, Sophie Moog, Fehd Bouderraoui, Laurent Bresler, Jean-Michel Vignaud, Elodie Chevalier, Laurent Brunaud, Marc Klein, Thomas Cuny
PURPOSE: Adrenocortical lesions are characterized through imaging, hormonal and histopathological analysis. Our aim was to compare the radiological features of adrenocortical lesions with their cortisol-secreting status and histopathological Weiss score. METHODS: Seventy five patients operated between 2004 and 2016 in the University Hospital of Nancy for either adrenocortical carcinomas (ACC) or adrenocortical adenomas (ACA) were enrolled in this study. We collected cortisol parameters, Computed Tomography (CT) scans (unenhanced density, wash-out (WO) analysis) and 18F-Fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) datas...
January 13, 2018: Endocrine
https://www.readbyqxmd.com/read/29329417/effects-of-alcohol-cues-on-mrs-glutamate-levels-in-the-anterior-cingulate
#15
Hu Cheng, Derek Kellar, Allison Lake, Peter Finn, George V Rebec, Shalmali Dharmadhikari, Ulrike Dydak, Sharlene Newman
Growing evidence suggests that glutamate neurotransmission plays a critical role in alcohol addiction. Cue-induced change of glutamate has been observed in animal studies but never been investigated in humans. This work investigates cue-induced change in forebrain glutamate in individuals with alcohol use disorder (AUD). A total of 35 subjects (17 individuals with AUD and 18 healthy controls) participated in this study. The glutamate concentration was measured with single-voxel 1H-MR spectroscopy at the dorsal anterior cingulate...
January 10, 2018: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29328733/understanding-quality-factor-degradation-in-superconducting-niobium-cavities-at-low-microwave-field-amplitudes
#16
A Romanenko, D I Schuster
In niobium superconducting radio frequency (SRF) cavities for particle acceleration, a decrease of the quality factor at lower fields-a so-called low field Q slope or LFQS-has been a long-standing unexplained effect. By extending the high Q measurement techniques to ultralow fields, we discover two previously unknown features of the effect: (i) saturation at rf fields lower than E_{acc}∼0.1  MV/m; (ii) strong degradation enhancement by growing thicker niobium pentoxide. Our findings suggest that the LFQS may be caused by the two level systems in the natural niobium oxide on the inner cavity surface, thereby identifying a new source of residual resistance and providing guidance for potential nonaccelerator low-field applications of SRF cavities...
December 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29327464/the-expression-of-an-exogenous-acc-deaminase-by-the-endophyte-serratia-grimesii-bxf1-promotes-the-early-nodulation-and-growth-of-common-bean
#17
Maria J Tavares, Francisco X Nascimento, Bernard R Glick, Márcio J Rossi
Ethylene acts as an inhibitor of the nodulation process of leguminous plants. However, some bacteria can decrease deleterious ethylene levels by the action of the enzyme 1-aminocyclopropane-1-carboxylate (ACC) deaminase which degrades ACC, the ethylene precursor in all higher plants. Co-inoculation of rhizobia with endophytes enhances the rhizobial symbiotic efficiency with legumes, improving both nodulation and nitrogen fixation. However, not much is understood about the mechanisms employed by these endophytic bacteria...
January 11, 2018: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29326109/current-recommendations-for-anticoagulant-therapy-in-patients-with-valvular-heart-disease-and-atrial-fibrillation-the-acc-aha-and-esc-eacts-guidelines-in-harmony%C3%A2-but-not-lockstep
#18
EDITORIAL
John Preston Erwin, Bernard Iung
No abstract text is available yet for this article.
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29322312/assessment-of-curve-progression-on-children-with-idiopathic-scoliosis-using-ultrasound-imaging-method
#19
Rui Zheng, Doug Hill, Douglas Hedden, Marc Moreau, Sarah Southon, Edmond Lou
PURPOSE: To investigate the threshold of the curve difference on ultrasound measurement relative to the previous radiographic measurements to detect curves progression in children who have idiopathic scoliosis (IS). METHODS: Two hundred children with IS (F:170, M:30; mean age: 14.6 ± 1.9) were recruited from a single center. A retrospective study on comparing the current ultrasound measurements with the previous radiographic measurements with threshold values from 3° to 8° to detect curve progression was conducted...
January 10, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29321066/perioperative-management-of-antiplatelet-therapy-in-patients-undergoing-non-cardiac-surgery-following-coronary-stent-placement-a-systematic-review
#20
Christopher P Childers, Melinda Maggard-Gibbons, Jesus G Ulloa, Ian T MacQueen, Isomi M Miake-Lye, Roberta Shanman, Selene Mak, Jessica M Beroes, Paul G Shekelle
BACKGROUND: The correct perioperative management of antiplatelet therapy (APT) in patients undergoing non-cardiac surgery (NCS) is often debated by clinicians. American College of Cardiology (ACC) and American Heart Association (AHA) guidelines recommend postponing elective NCS at least 3 months after stent implantation. Regardless of the timing of surgery, ACC/AHA guidelines recommend continuing at least ASA throughout the perioperative period and ideally continuing dual APT (DAPT) therapy "unless surgery demands discontinuation...
January 10, 2018: Systematic Reviews
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