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https://www.readbyqxmd.com/read/27914152/pediatric-multiple-sclerosis-in-portugal-a-multicentre-study
#1
Ana Sofia Correia, Luís Augusto, Joana Meireles, Joana Pinto, Ana Paula Sousa
INTRODUCTION: Multiple sclerosis is most often diagnosed among young adults but less frequently it may present during childhood or adolescence. In Portugal, there has been only one previous single-center, pediatric multiple sclerosis study. The main objective was the evaluation of the demographic, clinical, laboratorial and neuroradiological characteristics of patients with pediatric-onset multiple sclerosis in Portugal. The secondary objectives were to compare the characteristics of childhood-onset multiple sclerosis and adolescent-onset multiple sclerosis and to characterize the treatments prescribed...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27914132/associations-between-soluble-receptor-for-advanced-glycation-end-products-srage-and-s100a12-en-rage-with-mortality-in-long-term-hemodialysis-patients
#2
Eul Sik Jung, Wookyung Chung, Ae Jin Kim, Han Ro, Jae Hyun Chang, Hyun Hee Lee, Ji Yong Jung
Hemodialysis (HD) patients experience vascular calcification, ultimately leading to high mortality rates. Previously, we reported associations between soluble receptor for advanced glycation end products (sRAGEs) and extracellular newly identified RAGE-binding protein S100A12 (EN-RAGE) and vascular calcification. Here, we extended our observations, investigating whether these biomarkers may be useful for predicting cardiovascular morbidity and mortality in these subjects. Thus, we evaluated the relationship between sRAGE and S100A12 and mortality in long-term HD patients...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27913957/chemical-characterization-of-rainwater-at-a-high-altitude-site-nainital-in-the-central-himalayas-india
#3
Deewan Singh Bisht, A K Srivastava, H Joshi, K Ram, N Singh, M Naja, M K Srivastava, S Tiwari
The present study investigates the chemical composition of rainwater (RW) from a high-altitude site "Nainital" (1958 m above msl) in the central Himalaya region, to understand the influence of local, regional, and long-range transport of pollutants. A total of 55 (2 in pre-monsoon and 53 in monsoon) RW samples were collected during the study period (June-September 2012) and were analyzed for major anions and cations using an ion chromatograph. The pH of precipitation events ranged from 4.95 to 6.50 (average 5...
December 2, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27913929/-inpatient-multimodal-pain-therapy-additive-value-of-neuromuscular-core-stability-exercises-for-chronic-back-pain
#4
F Giesche, H Streicher, M Maiwald, P Wagner
INTRODUCTION: The medical and healthcare economic burden caused by chronic lumbar back pain (CLBP) requires the use of interdisciplinary treatment approaches. The present study aimed to evaluate whether the effectiveness of inpatient multimodal pain therapy (MPT, operations and procedures (OPS) coding 8-918.02), can be increased by implementing additional neuromuscular core stability exercises (NCSE). MATERIAL AND METHODS: As part of a prospective controlled study, subjects with CLBP (n = 48, 17 males, 58...
December 2, 2016: Der Schmerz
https://www.readbyqxmd.com/read/27913661/effects-of-exendin-4-on-the-intrarenal-renin-angiotensin-system-and-interstitial-fibrosis-in-unilateral-ureteral-obstruction-mice-exendin-4-and-unilateral-ureteral-obstruction
#5
Ying Le, Zongji Zheng, Junyu Xue, Mengling Cheng, Meiping Guan, Yaoming Xue
OBJECTIVE: The objective of this article is to investigate the renoprotecive effects of exendin-4 in a mouse model of unilateral ureteral obstruction (UUO) and explore the putative mechanisms. METHODS: Male Balbc mice underwent sham operation or UUO surgery, and then received intraperitoneal injection of vehicle or exendin-4, respectively. After 14 days, mice were sacrificed and the left kidneys were collected and analyzed by histology, immunohistochemistry, Western blot, quantitative real-time reverse transcription polymerase chain reaction, radioimmunoassay and enzyme-linked immunosorbent assay...
October 2016: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/27913651/occupational-intakes-of-radionuclides-part-1
#6
Gary H Kramer
No abstract text is available yet for this article.
November 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27913616/genetic-contributors-to-intergenerational-cag-repeat-instability-in-huntington-s-disease-knock-in-mice
#7
João Luís Neto, Jong-Min Lee, Ali Afridi, Tammy Gillis, Jolene R Guide, Stephani Dempsey, Brenda Lager, Isabel Alonso, Vanessa C Wheeler, Ricardo Mouro Pinto
Huntington's disease is a neurodegenerative disorder caused by the expansion of a CAG trinucleotide repeat in exon 1 of the HTT gene. Longer repeat sizes are associated with increased disease penetrance and earlier ages of onset. Intergenerationally unstable transmissions are common in Huntington's disease families, partly underlying the genetic anticipation seen in this disorder. Huntington's disease CAG knock-in mouse models also exhibit a propensity for intergenerational repeat size changes. In this work, we examine intergenerational instability of the CAG repeat in over 20,000 transmissions in the largest Huntington's disease knock-in mouse model breeding datasets reported to date...
December 2, 2016: Genetics
https://www.readbyqxmd.com/read/27913418/a-novel-rhamnose-rich-hetero-exopolysaccharide-isolated-from-lactobacillus-paracasei-dg-activates-thp-1-human-monocytic-cells
#8
Silvia Balzaretti, Valentina Taverniti, Simone Guglielmetti, Walter Fiore, Mario Minuzzo, Hansel N Ngo, Judith B Ngere, Sohaib Sadiq, Paul N Humphreys, Andrew P Laws
: Lactobacillus paracasei DG is a bacterial strain with recognized probiotic properties and is used in commercial probiotic products. However, the mechanisms underlying its probiotic properties are mainly unknown. In this study, we tested the hypothesis that the capability of strain DG to interact with the host is, at least partly, associated with its ability to synthesize a surface-associated exopolysaccharide (EPS). Comparative genomics revealed the presence of putative EPS gene clusters in DG genome; accordingly, EPS was isolated from the surface of the bacterium...
December 2, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27913387/using-multivariate-base-rates-to-interpret-low-scores-on-an-abbreviated-battery-of-the-delis-kaplan-executive-function-system
#9
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
OBJECTIVE: Executive function consists of multiple cognitive processes that operate as an interactive system to produce volitional goal-oriented behavior, governed in large part by frontal microstructural and physiological networks. Identification of deficits in executive function in those with neurological or psychiatric conditions can be difficult because the normal variation in executive function test scores, in healthy adults when multiple tests are used, is largely unknown. This study addresses that gap in the literature by examining the prevalence of low scores on a brief battery of executive function tests...
December 1, 2016: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/27913304/effects-of-nongenetic-factors-on-immune-cell-dynamics-in-early-childhood-the-generation-r-study
#10
Diana van den Heuvel, Michelle A E Jansen, Kazem Nasserinejad, Willem A Dik, Ellen G van Lochem, Liesbeth E Bakker-Jonges, Halima Bouallouch-Charif, Vincent W V Jaddoe, Herbert Hooijkaas, Jacques J M van Dongen, Henriëtte A Moll, Menno C van Zelm
BACKGROUND: . Numbers of blood leukocyte subsets are highly dynamic in childhood and differ greatly between individuals. Inter-individual variation is only partly accounted for by genetic factors. OBJECTIVE: Determine which nongenetic factors affect the dynamics of innate leukocytes, and naive and memory lymphocyte subsets. METHODS: . We performed six-color flow cytometry and linear mixed effect modeling to define the dynamics of 62 leukocyte subsets from birth to 6 years of age in 1,182 children with one to five measurements per individual...
November 29, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27913288/autofluorescence-lifetime-variation-in-the-cuticle-of-the-bedbug-cimex-lectularius
#11
Klaus Reinhardt, Hans Georg Breunig, Karsten König
The decay time of the fluorescence of excited molecules, called fluorescence lifetime, can provide information about the cuticle composition additionally to widely used spectral characteristics. We compared autofluorescence lifetimes of different cuticle regions in the copulatory organ of females of the bedbug, Cimex lectularius. After two-photon excitation at 720 nm, regions recently characterised as being rich in resilin showed a longer bimodal distribution of the mean autofluorescence lifetime τm (tau-m) at 0...
November 29, 2016: Arthropod Structure & Development
https://www.readbyqxmd.com/read/27913270/part-1-comparison-of-plasma-ammonia-results-from-seven-different-automated-platforms-in-use-throughout-central-australia
#12
Corey Markus, Michael Metz
INTRODUCTION: The clinical catchment area for the Metabolic service at the Women's and Children's Hospital in Adelaide, South Australia, covers nearly 2.5millionkm(2). Care of children with metabolic disorders in these remote areas is assisted from Adelaide, and at times, using plasma ammonia results from laboratories up to 3000km away. There are seven different platforms measuring plasma ammonia within this vast clinical catchment area. Hence, a correlation study was conducted to examine the relationship between plasma ammonia results from the seven different platforms in use throughout central Australia...
November 29, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27913265/hearing-preservation-during-anterior-petrosectomy-the-cochlear-safety-line
#13
Xiaoming Guo, Halima Tabani, Dylan Griswold, Ali Tayebi Meybodi, Jose Juan Gonzalez Sanchez, Michael T Lawton, Arnau Benet
BACKGROUND: Identification and protection of the cochlea during anterior petrosectomy is key to prevent hearing loss. Currently, there is no optimal method to infer the position of the cochlea in relation to the Kawase quadrangle, therefore damage to the cochlea during anterior petrosectomy remains a substantial risk. OBJECTIVES: To identify and define landmarks available during anterior petrosectomy to locate the cochlea and prevent its damage. METHODS: Kawase approach was simulated in eleven specimens...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27913230/effects-of-combined-oral-contraceptives-depot-medroxyprogesterone-acetate-and-the-levonorgestrel-releasing-intrauterine-system-on-the-vaginal-microbiome
#14
J Paul Brooks, David J Edwards, Diana L Blithe, Jennifer M Fettweis, Myrna G Serrano, Nihar U Sheth, Jerome F Strauss, Gregory A Buck, Kimberly K Jefferson
OBJECTIVES: Prior studies suggest that the composition of the vaginal microbiome may positively or negatively affect susceptibility to sexually transmitted infections (STI) and bacterial vaginosis (BV). Some female hormonal contraceptive methods also appear to positively or negatively influence STI transmission and BV. Therefore changes in the vaginal microbiome that are associated with different contraceptive methods may explain, in part, effects on STI transmission and BV. STUDY DESIGN: We performed a retrospective study of 16S rRNA gene survey data of vaginal samples from a subset of participants from the Human Vaginal Microbiome Project at Virginia Commonwealth University...
November 29, 2016: Contraception
https://www.readbyqxmd.com/read/27913208/the-functions-of-store-operated-calcium-channels
#15
REVIEW
James W Putney, Natacha Steinckwich-Besançon, Takuro Numaga-Tomita, Felicity M Davis, Pooja N Desai, Diane M D'Agostin, Shilan Wu, Gary S Bird
Store-operated calcium channels provide calcium signals to the cytoplasm of a wide variety of cell types. The basic components of this signaling mechanism include a mechanism for discharging Ca(2+) stores (commonly but not exclusively phospholipase C and inositol 1,4,5-trisphosphate), a sensor in the endoplasmic reticulum that also serves as an activator of the plasma membrane channel (STIM1 and STIM2), and the store-operated channel (Orai1, 2 or 3). The advent of mice genetically altered to reduce store-operated calcium entry globally or in specific cell types has provided important tools to understand the functions of these widely encountered channels in specific and clinically important physiological systems...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913207/overexpression-of-stim1-in-neurons-in-mouse-brain-improves-contextual-learning-and-impairs-long-term-depression
#16
Łukasz Majewski, Filip Maciąg, Paweł M Boguszewski, Iga Wasilewska, Grzegorz Wiera, Tomasz Wójtowicz, Jerzy Mozrzymas, Jacek Kuznicki
STIM1 is an endoplasmic reticulum calcium sensor that is involved in several processes in neurons, including store-operated calcium entry. STIM1 also inhibits voltage-gated calcium channels, such as Cav1.2 and Cav3.1, and is thus considered a multifunctional protein. The aim of this work was to investigate the ways in which transgenic neuronal overexpression of STIM1 in FVB/NJ mice affects animal behavior and the electrophysiological properties of neurons in acute hippocampal slices. We overexpressed STIM1 from the Thy1...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913206/mag-fluo4-in-t-cells-imaging-of-intra-organelle-free-ca-2-concentrations
#17
Björn-Philipp Diercks, Ralf Fliegert, Andreas H Guse
Ca(2+) signaling is a major signal transduction pathway involved in T cell activation, but also in apoptosis of T cells. Since T cells make use of several Ca(2+)-mobilizing second messengers, such as nicotinic acid adenine dinucleotide phosphate, d-myo-inositol 1,4,5-trisphosphate, and cyclic ADP-ribose, we intended to analyze luminal Ca(2+) concentration upon cell activation. Mag-Fluo4/AM, a low-affinity Ca(2+) dye known to localize to the endoplasmic reticular lumen in many cell types, showed superior brightness and bleaching stability, but, surprisingly, co-localized with mito-tracker, but not with ER-tracker in Jurkat T cells...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913204/the-selective-bcl-2-inhibitor-venetoclax-a-bh3-mimetic-does-not-dysregulate-intracellular-ca-2-signaling
#18
Tamara Vervloessem, Hristina Ivanova, Tomas Luyten, Jan B Parys, Geert Bultynck
Anti-apoptotic B cell-lymphoma-2 (Bcl-2) proteins are emerging as therapeutic targets in a variety of cancers for precision medicines, like the BH3-mimetic drug venetoclax (ABT-199), which antagonizes the hydrophobic cleft of Bcl-2. However, the impact of venetoclax on intracellular Ca(2+) homeostasis and dynamics in cell systems has not been characterized in detail. Here, we show that venetoclax did not affect Ca(2+)-transport systems from the endoplasmic reticulum (ER) in permeabilized cell systems. Venetoclax (1μM) did neither trigger Ca(2+) release by itself nor affect agonist-induced Ca(2+) release in a variety of intact cell models...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913190/synthesis-and-label-free-characterization-of-a-bimolecular-pna-homo-quadruplex
#19
Brunella Pinto, Giulia Rusciano, Stefano D'Errico, Nicola Borbone, Antonio Sasso, Vincenzo Piccialli, Luciano Mayol, Giorgia Oliviero, Gennaro Piccialli
BACKGROUND: G-quadruplex DNA is involved in many physiological and pathological processes. Both clinical and experimental studies on DNA G-quadruplexes are slowed down by their enzymatic instability. In this frame, more stable chemically modified analogs are needed. METHODS: The bis-end-linked-(gggt)2 PNA molecule (BEL-PNA) was synthesized using in solution and solid phase synthetic approaches. Quadruplex formation was assessed by circular dichroism (CD) and surface enhanced Raman scattering (SERS)...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913189/construction-and-analysis-of-a-human-testis-sperm-enriched-interaction-network-unraveling-the-ppp1cc2-interactome
#20
Joana Vieira Silva, Sooyeon Yoon, Pieter-Jan De Bock, Alexander V Goltsev, Kris Gevaert, José Fernando F Mendes, Margarida Fardilha
BACKGROUND: Phosphoprotein phosphatase 1 catalytic subunit gamma 2 (PPP1CC2), a PPP1CC tissue-specific alternative splice restricted to testicular germ cells and spermatozoa, is essential for spermatogenesis and spermatozoa motility. The key to understand PPP1CC2 regulation lies on the characterization of its interacting partners. METHODS: We construct a testis/sperm-enriched protein interaction network and analyzed the topological properties and biological context of the network...
November 29, 2016: Biochimica et Biophysica Acta
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