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https://www.readbyqxmd.com/read/28102983/diseases-associated-with-exposure-to-contaminants-in-the-water-supply-at-camp-lejeune-final-rule
#1
(no author information available yet)
The Department of Veterans Affairs (VA) amends its adjudication regulations regarding presumptive service connection, adding certain diseases associated with contaminants present in the base water supply at U.S. Marine Corps Base Camp Lejeune (Camp Lejeune), North Carolina, from August 1, 1953, to December 31, 1987. This final rule establishes that veterans, former reservists, and former National Guard members, who served at Camp Lejeune for no less than 30 days (consecutive or nonconsecutive) during this period, and who have been diagnosed with any of eight associated diseases, are presumed to have incurred or aggravated the disease in service for purposes of entitlement to VA benefits...
13, 2017: Federal Register
https://www.readbyqxmd.com/read/28102950/quantitative-impact-of-changes-in-marrow-cellularity-skeletal-size-and-bone-mineral-density-on-active-marrow-dosimetry-based-upon-a-reference-model
#2
Amy M Geyer, Bryan C Schwarz, Robert F Hobbs, George Sgouros, Wesley E Bolch
PURPOSE: The hematopoietically active tissues of skeletal bone marrow are a prime target for computational dosimetry given potential risks of leukemia and, at higher dose levels, acute marrow toxicity. The complex three-dimensional geometry of trabecular spongiosa, however, complicates schema for dose assessment in such a way that only a few reference skeletal models have been developed to date, and which are based upon microimaging of a limited number of cadaveric bone spongiosa cores...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102934/crosstalk-between-angiotensin-and-the-non-amyloidogenic-pathway-of-alzheimer-s-amyloid-precursor-protein
#3
Anna Maria Kanarek, Annika Wagner, Jim Küppers, Michael Gütschow, Rolf Postina, Elzbieta Kojro
The association between hypertension and an increased risk for Alzheimer's disease (AD) and dementia is well established. Many data suggest that modulation of the renin-angiotensin system may be meaningful for the prevention and therapy of neurodegenerative disorders, in particular AD. Proteolytic cleavage of the amyloid precursor protein (APP) by α-secretase precludes formation of neurotoxic Aβ peptides and is expected to counteract the development of AD. An established approach for the up-regulation of α-secretase cleavage is activation of G protein-coupled receptors (GPCRs)...
January 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28102890/handgrip-strength-in-old-and-very-old-adults-mood-cognition-function-and-mortality
#4
Jochanan Stessman, Yakir Rottenberg, Matan Fischer, Aliza Hammerman-Rozenberg, Jeremy M Jacobs
OBJECTIVES: To determine the trajectory of handgrip strength (HGS) from age 70 to 90 and its association with mood, cognition, functional status, and mortality. DESIGN: Prospective follow-up of an age-homogenous representative community-dwelling cohort (born 1920-21) in the Jerusalem Longitudinal Cohort Study (1990-2015). SETTING: Home-based assessment. PARTICIPANTS: Subjects aged 70 (n = 327), 78 (n = 384), 85 (n = 1187), and 90 (n = 406), examined in 1990, 1998, 2005, and 2010, respectively...
January 19, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28102887/clinical-trial-of-nintedanib-in-patients-with-recurrent-or-metastatic-salivary-gland-cancer-of-the-head-and-neck-a-multicenter-phase-2-study-korean-cancer-study-group-hn14-01
#5
Youjin Kim, Su Jin Lee, Ji Yun Lee, Se-Hoon Lee, Jong-Mu Sun, Keunchil Park, Ho Jung An, Jae Yong Cho, Eun Joo Kang, Ha-Young Lee, Jinsoo Kim, Bhumsuk Keam, Hye Ryun Kim, Kyoung Eun Lee, Moon Young Choi, Ki Hyeong Lee, Myung-Ju Ahn
BACKGROUND: Salivary gland cancers (SGCs) are uncommon and account for less than 5% of all head and neck cancers, but they are histologically heterogeneous. No specific therapy, including targeted agents, has consistently improved clinical outcomes in recurrent/metastatic SGC. Recent studies suggest that vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR) play important roles in SGC. Nintedanib is a potent small-molecule, triple-receptor tyrosine kinase inhibitor (VEGFR1, VEGFR2, and VEGFR3; fibroblast growth factor receptor 1 [FGFR1], FGFR2, and FGFR3; and PDGFRα and PDGFRß)...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28102847/curcumin-represses-mouse-3t3-l1-cell-adipogenic-differentiation-via-inhibiting-mir-17-5p-and-stimulating-the-wnt-signalling-pathway-effector-tcf7l2
#6
Lili Tian, Zhuolun Song, Weijuan Shao, William W Du, Lisa R Zhao, Kejing Zeng, Burton B Yang, Tianru Jin
Understanding mechanisms underlying adipogenic differentiation may lead to the discovery of novel therapeutic targets for obesity. Wnt signalling pathway activation leads to repressed adipogenic differentiation while certain microRNAs may regulate pre-adipocyte proliferation and differentiation. We show here that in mouse white adipose tissue, miR-17-5p level is elevated after high fat diet consumption. miR-17-5p upregulates adipogenic differentiation, as its over-expression increased while its inhibition repressed 3T3-L1 differentiation...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102839/foot-and-mouth-disease-virus-infection-suppresses-autophagy-and-nf-%C3%B0%C2%BAb-antiviral-responses-via-degradation-of-atg5-atg12-by-3c-pro
#7
Xuxu Fan, Shichong Han, Dan Yan, Yuan Gao, Yanquan Wei, Xiangtao Liu, Ying Liao, Huichen Guo, Shiqi Sun
Autophagy-related protein ATG5-ATG12 is an essential complex for the autophagophore elongation in autophagy, which has been reported to be involved in foot-and-mouth disease virus (FMDV) replication. Previous reports show that ATG5-ATG12 positively or negatively regulates type I interferon (IFN-α/β) pathway during virus infection. In this study, we found that FMDV infection rapidly induced LC3 lipidation and GFP-LC3 subcellular redistribution at the early infection stage in PK-15 cells. Along with infection time course to 2-5 h...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102838/autophagy-dysregulation-in-danon-disease
#8
Anna Chiara Nascimbeni, Marina Fanin, Corrado Angelini, Marco Sandri
The autophagy-lysosome system is critical for muscle homeostasis and defects in lysosomal function result in a number of inherited muscle diseases, generally referred to as autophagic vacuolar myopathies (AVMs). Among them, Danon Disease (DD) and glycogen storage disease type II (GSDII) are due to primary lysosomal protein defects. DD is characterized by mutations in the lysosome-associated membrane protein 2 (LAMP2) gene. The DD mouse model suggests that inefficient lysosome biogenesis/maturation and impairment of autophagosome-lysosome fusion contribute to the pathogenesis of muscle wasting...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102740/update-on-functional-and-genetic-laboratory-assays-for-the-detection-of-platelet-microvesicles
#9
Maxime Laroche, Claire Dunois, Anne Marie Vissac, Jean Amiral
Functional and genetic assays for measuring platelet microvesicles (PMVs) are presented and discussed. Functional assays concern two groups of methods: a) homogeneous assays using the cofactor activity of phospholipids (PPLs) contained in PMVs and present in assayed plasmas, and a coagulation or a thrombin generation assay (TGA) as "end points"; b) capture-based assays, in which PMVs bind to an immobilized ligand, such as Annexin V in the presence of calcium, or monoclonal antibodies (MoAbs) specific for membrane proteins...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102737/platelet-microvesicles-in-health-and-disease
#10
Imene Melki, Nicolas Tessandier, Anne Zufferey, Eric Boilard
Interest in cell-derived extracellular vesicles and their physiological and pathological implications is constantly growing. Microvesicles, also known as microparticles, are small extracellular vesicles released by cells in response to activation or apoptosis. Among the different microvesicles present in the blood of healthy individuals, platelet-derived microvesicles (PMVs) are the most abundant. Their characterization has revealed a heterogeneous cargo that includes a set of adhesion molecules. Similarly to platelets, PMVs are also involved in thrombosis through support of the coagulation cascade...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102734/fibroblast-like-synoviocytes-dependent-effector-molecules-as-a-critical-mediator-for-rheumatoid-arthritis-current-status-and-future-directions
#11
Ramamoorthi Ganesan, Mahaboobkhan Rasool
Rheumatoid arthritis (RA) is a systemic-autoimmune-mediated disease characterized by synovial hyperplasia and progressive destruction of joint. Currently available biological agents and inhibitor therapy that specifically target tumor necrosis factor-α, interleukin 1β (IL-1β), IL-6, T cells, B cells, and subcellular molecules (p38 mitogen-activated protein kinase and janus kinase) cannot facilitate complete remission in all patients and are unable to cure the disease. Therefore, further potent therapeutic targets need to be identified for effective treatment and successful clinical outcomes in patients with RA...
January 19, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28102731/microfluidic-whole-blood-testing-of-platelet-response-to-pharmacological-agents
#12
Ruizhi Li, Tilo Grosser, Scott L Diamond
Platelets present a number of intracellular and transmembrane targets subject to pharmacological modulation, either for cardiovascular disease reduction or as an unintended drug response. Microfluidic devices allow human blood to clot on a defined surface under controlled hemodynamic and pharmacological conditions. The potencies of a number of antiplatelet and anticancer drugs have been tested with respect to platelet deposition on collagen under flow. Inhibitors of cyclooxygenase-1 (COX-1) reduce platelet deposition, either when added ex vivo to blood or ingested orally by patients prior to testing...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102700/aryl-hydrocarbon-receptor-deficient-mice-are-protected-from-high-fat-diet-induced-changes-in-metabolic-rhythms
#13
Cassie Jaeger, Canxin Xu, Mingwei Sun, Stacey Krager, Shelley A Tischkau
High fat diet (HFD) consumption alters the synchronized circadian timing system resulting in harmful loss, gain or shift of transcriptional oscillations. The aryl hydrocarbon receptor (AhR) shares structural homology to clock genes, containing both PAS domains and basic helix-loop helix structural motifs, allowing for interaction with components of the primary circadian feedback loop. Activation of AhR alters circadian rhythmicity, primarily through inhibition of Clock/Bmal1-mediated regulation of Per1. AhR-deficient mice are protected from diet-induced metabolic dysfunction, exhibiting enhanced insulin sensitivity and glucose tolerance...
January 19, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28102486/atypical-teratoid-rhabdoid-tumor-in-the-first-year-of-life-the-canadian-atrt-registry-experience-and-review-of-the-literature
#14
Mary Fossey, Haocheng Li, Samina Afzal, Anne-Sophie Carret, David D Eisenstat, Adam Fleming, Juliette Hukin, Cynthia Hawkins, Nada Jabado, Donna Johnston, Tania Brown, Valerie Larouche, Katrin Scheinemann, Douglas Strother, Beverly Wilson, Shayna Zelcer, Annie Huang, Eric Bouffet, Lucie Lafay-Cousin
While 2/3 of patients with ATRT are less than 3 years at diagnosis, the literature suggests younger children present with more aggressive disease and poorer outcome. However, little data exist on characteristics and outcome of patients diagnosed with ATRT in the first year of life. In particular, it is unclear whether they access similar treatments as do older children. We compared the cohort of patients ≤12 months from the Canadian ATRT registry to all cases extracted from the literature reported between 1996 and 2014 to describe their clinical and treatment characteristics, and potential prognostic factors...
January 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28102477/potential-new-mechanisms-of-pro-arrhythmia-in-arrhythmogenic-cardiomyopathy-focus-on-calcium-sensitive-pathways
#15
REVIEW
C J M van Opbergen, M Delmar, T A B van Veen
Arrhythmogenic cardiomyopathy, or its most well-known subform arrhythmogenic right ventricular cardiomyopathy (ARVC), is a cardiac disease mainly characterised by a gradual replacement of the myocardial mass by fibrous and fatty tissue, leading to dilatation of the ventricular wall, arrhythmias and progression towards heart failure. ARVC is commonly regarded as a disease of the intercalated disk in which mutations in desmosomal proteins are an important causative factor. Interestingly, the Dutch founder mutation PLN R14Del has been identified to play an additional, and major, role in ARVC patients within the Netherlands...
January 19, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28102375/the-dynamic-binding-of-cholesterol-to-the-multiple-sites-of-c99-as-revealed-by-coarse-grained-and-all-atom-simulations
#16
Cheng-Dong Li, Qin Xu, Ruo-Xu Gu, Jing Qu, Dong-Qing Wei
It is generally believed that the etiology of Alzheimer's disease (AD) is closely related to the amyloid-β polypeptides, produced from γ-secretase cleavage of C99. There is preliminary evidence that cholesterol directly activates γ-secretase cleavage of C99 through mechanisms that have not been understood so far. In this article, coarse-grained (CG) and all-atom (AT) simulations were employed to investigate the association between C99 and cholesterol, which is essential for our understanding of the role of cholesterol in the amyloidogenic pathway...
January 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28102353/cofilin-regulates-nuclear-architecture-through-a-myosin-ii-dependent-mechanotransduction-module
#17
O'Neil Wiggan, Bryce Schroder, Diego Krapf, James R Bamburg, Jennifer G DeLuca
Structural features of the nucleus including shape, size and deformability impact its function affecting normal cellular processes such as cell differentiation and pathological conditions such as tumor cell migration. Despite the fact that abnormal nuclear morphology has long been a defining characteristic for diseases such as cancer relatively little is known about the mechanisms that control normal nuclear architecture. Mounting evidence suggests close coupling between F-actin cytoskeletal organization and nuclear morphology however, mechanisms regulating this coupling are lacking...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102227/singular-location-and-signaling-profile-of-adenosine-a2a-cannabinoid-cb1-receptor-heteromers-in-the-dorsal-striatum
#18
Estefanía Moreno, Anna Chiarlone, Mireia Medrano, Mar Puigdellívol, Lucka Bibic, Lesley A Howell, Eva Resel, Nagore Puente, María J Casarejos, Juan Perucho, Joaquín Botta, Nuria Suelves, Francisco Ciruela, Silvia Ginés, Ismael Galve-Roperh, Vicent Casadó, Pedro Grandes, Beat Lutz, Krisztina Monory, Enric I Canela, Carmen Lluís, Peter J McCormick, Manuel Guzmán
The dorsal striatum is a key node for many neurobiological processes such as motor activity, cognitive functions, and affective processes. The proper functioning of striatal neurons relies critically on metabotropic receptors. Specifically, the main adenosine and endocannabinoid receptors present in the striatum, ie, adenosine A2A receptor (A2AR) and cannabinoid CB1 receptor (CB1R), are of pivotal importance in the control of neuronal excitability. Facilitatory and inhibitory functional interactions between striatal A2AR and CB1R have been reported, and evidence supports that this cross-talk may rely, at least in part, on the formation of A2AR-CB1R heteromeric complexes...
January 19, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28102206/g%C3%AE-13-negatively-controls-osteoclastogenesis-through-inhibition-of-the-akt-gsk3%C3%AE-nfatc1-signalling-pathway
#19
Mengrui Wu, Wei Chen, Yun Lu, Guochun Zhu, Liang Hao, Yi-Ping Li
Many positive signalling pathways of osteoclastogenesis have been characterized, but negative signalling pathways are less well studied. Here we show by microarray and RNAi that guanine nucleotide-binding protein subunit α13 (Gα13) is a negative regulator of osteoclastogenesis. Osteoclast-lineage-specific Gna13 conditional knockout mice have a severe osteoporosis phenotype. Gna13-deficiency triggers a drastic increase in both osteoclast number and activity (hyper-activation), mechanistically through decreased RhoA activity and enhanced Akt/GSK3β/NFATc1 signalling...
January 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28102167/assessment-and-comparison-of-the-efficacy-of-rehabilitation-conducted-at-a-sanatorium-and-in-an-outpatient-facility-in-patients-with-low-back-pain-pilot-study
#20
Jakub Szewczyk
BACKGROUND: Low back pain is nowadays believed to be one of the most serious and common health problems and is even often classified as a disease of civilisation. Prevention and treatment of such conditions is very important, particularly taking into consideration the fact that they are increasingly common in young people. Low back pain is effectively prevented and treated with rehabilitation. The aim of this paper was to assess and compare rehabilitation procedures performed in patients with low back pain in the sanatorium setting and on an outpatient basis...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
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