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https://www.readbyqxmd.com/read/28822987/effects-of-a-water-extract-of-lepidium-meyenii-root-in-different-models-of-persistent-pain-in-rats
#1
Barbara Tenci, Lorenzo Di Cesare Mannelli, Mario Maresca, Laura Micheli, Giuseppe Pieraccini, Nadia Mulinacci, Carla Ghelardini
Lepidium meyenii (Walp.), commonly called maca, is an Andean crop belonging to the Brassicaceae family. Maca hypocotils are habitually consumed as customary food as well as traditional remedies for pathological conditions such as infertility. Moreover, the characterization of maca extracts revealed the presence of compounds that are able to modulate the nervous system. Aimed to evaluate the efficacy of L. meyenii in persistent pain, the present study analyzed the effects of a commercial root extract from maca in different animal models reproducing the most common causes of chronic painful pathologies...
August 21, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28822731/multidisciplinary-management-of-patients-with-coexisting-inflammatory-bowel-disease-and-spondyloarthritis-a-delphi-consensus-among-italian-experts
#2
Alessandro Armuzzi, Carla Felice, Ennio Lubrano, Fabrizio Cantini, Fabiana Castiglione, Paolo Gionchetti, Ambrogio Orlando, Carlo Salvarani, Raffaele Scarpa, Antonio Marchesoni, Maurizio Vecchi, Ignazio Olivieri
BACKGROUND: Treatment of patients with coexisting spondyloarthritis (SpA) and inflammatory bowel disease (IBD) often requires multidisciplinary collaboration between gastroenterologists and rheumatologists. AIM: To describe the results of the first Delphi consensus to define shared therapeutic strategies for the best management of patients with coexisting SpA and IBD. METHODS: A scientific steering committee of 10 Italian experts in the field of SpA and IBD developed 27 statements on 5 possible clinical scenarios and selected 40 specialists from across Italy, both gastroenterologists and rheumatologists, to vote them using a Delphi method...
June 23, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28822694/sex-and-the-housing-effects-on-behavior-cortisol-levels-and-weight-in-zebrafish
#3
Gustavo Kellermann Reolon, Gabriela Madalena de Melo, João Gabriel Dos Santos da Rosa, Leonardo José Gil Barcellos, Carla Denise Bonan
Studies with zebrafish use acclimatizing periods of at least one week immediately before the experiments. During this time, animals can be housed in sexually segregated conditions (only females or males in the tank) or in mixed-sex conditions (both sexes in the tank). The influence of sex and housing conditions regarding the presence of one or two sexes is largely unknown in zebrafish. Our aim was to evaluate the influence that sex and housing regarding the sex of animals had in the open tank task, in the inhibitory avoidance memory test, in cortisol levels and weight in zebrafish...
August 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28822613/biomass-ash-reutilisation-as-an-additive-in-the-composting-process-of-organic-fraction-of-municipal-solid-waste
#4
Carla Asquer, Giovanna Cappai, Giorgia De Gioannis, Aldo Muntoni, Martina Piredda, Daniela Spiga
In this work the effects of selected types of biomass ash on the composting process and final product quality were studied by conducting a 96-day long experiment where the source separated organic fraction of municipal waste, mixed with wood prunings that served as bulking agent, was added with 0%, 2%, 4% and 8% wt/wt of biomass ash. The evolution over time of the main process parameters was observed, and the final composts were characterised. On the basis of the results, both the composting process and the quality of the final product were improved by ash addition...
August 16, 2017: Waste Management
https://www.readbyqxmd.com/read/28821712/emergence-of-recombinant-mayaro-virus-strains-from-the-amazon-basin
#5
Carla Mavian, Brittany D Rife, James Jarad Dollar, Eleonora Cella, Massimo Ciccozzi, Mattia C F Prosperi, John Lednicky, J Glenn Morris, Ilaria Capua, Marco Salemi
Mayaro virus (MAYV), causative agent of Mayaro Fever, is an arbovirus transmitted by Haemagogus mosquitoes. Despite recent attention due to the identification of several cases in South and Central America and the Caribbean, limited information on MAYV evolution and epidemiology exists and represents a barrier to prevention of further spread. We present a thorough spatiotemporal evolutionary study of MAYV full-genome sequences collected over the last sixty years within South America and Haiti, revealing recent recombination events and adaptation to a broad host and vector range, including Aedes mosquito species...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821498/impact-of-child-death-on-paediatric-trainees
#6
Clare E Hollingsworth, Carla Wesley, Jaymie Huckridge, Gabrielle M Finn, Michael J Griksaitis
OBJECTIVE: To assess the prevalence of symptoms of acute stress reactions (ASR) and post-traumatic stress disorder (PTSD) in paediatric trainees following their involvement in child death. DESIGN: A survey designed to identify trainees' previous experiences of child death combined with questions to identify features of PTSD. Quantitative interpretation was used alongside a χ(2) test. A p value of <0.05 was considered significant. SETTING: 604 surveys were distributed across 13 UK health education deaneries...
August 18, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28820074/exploring-the-cardio-metabolic-relevance-of-t-cadherin-a-pleiotropic-adiponectin-receptor
#7
Jaime Lynn Clark, Carla Gwen Taylor, Peter Zahradka
BACKGROUND AND OBJECTIVE: T cadherin is a unique member of the cadherin family and is primarily expressed in the cardiovascular system. T cadherin has not been abundantly studied, but the studies conducted to date have explored the impact of this protein on health and the function of organs involved in metabolic regulation. METHODS: This article examines the recent knowledge of the ligand partners for T cadherin and the potential contribution(s) of T-cadherin to cardio-metabolic function...
August 18, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28819109/tlr4-mediated-placental-pathology-and-pregnancy-outcome-in-experimental-malaria
#8
Renato Barboza, Flávia Afonso Lima, Aramys Silva Reis, Oscar Javier Murillo, Erika Paula Machado Peixoto, Carla Letícia Bandeira, Wesley Luzetti Fotoran, Luis Roberto Sardinha, Gerhard Wunderlich, Estela Bevilacqua, Maria Regina D'Império Lima, José Maria Alvarez, Fabio Trindade Maranhão Costa, Lígia Antunes Gonçalves, Sabrina Epiphanio, Cláudio Romerso Farias Marinho
Malaria-associate pregnancy has a significant impact on infant morbidity and mortality. The detrimental effects of malaria infection during pregnancy have been shown to correlate with immune activation in the placental tissue. Herein we sought to evaluate the effect of Toll-like receptors (TLRs) activation on placental malaria (PM) development by using the Plasmodium berghei NK65(GFP) infection model. We observed that activation of the innate immune system by parasites leads to PM due to local inflammation...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818555/pyridoxine-5-phosphate-oxidase-pnpo-deficiency-clinical-and-biochemical-alterations-associated-with-the-c-347g-a-p-%C3%A2-arg116gln-mutation
#9
Martino L di Salvo, Mario Mastrangelo, Isabel Nogués, Manuela Tolve, Alessandro Paiardini, Carla Carducci, Davide Mei, Martino Montomoli, Angela Tramonti, Renzo Guerrini, Roberto Contestabile, Vincenzo Leuzzi
BACKGROUND: Pyridoxal-5(')-phosphate oxidase (PNPO) deficiency presents as a severe neonatal encephalopathy responsive to pyridoxal-5(')-phosphate (PLP) or pyridoxine. Recent studies widened the phenotype of this condition and detected genetic variants on PNPO gene whose pathogenic role and clinical expression remain to be established. OBJECTIVE: This paper aims to characterize the functional effects of the c.347G>A (p.Arg116Gln) mutation in the PNPO gene in order to define its pathogenicity and describe the clinical features of new patients with epilepsy carrying this mutation...
August 12, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28818383/methyl-jasmonate-and-salicylic-acid-are-able-to-modify-cell-wall-but-only-salicylic-acid-alters-biomass-digestibility-in-the-model-grass-brachypodium-distachyon
#10
Thiago Alves Napoleão, Giuliana Soares, Camilo Elber Vital, Carla Bastos, Robson Castro, Marcelo Ehlers Loureiro, Andrea Giordano
In addition to playing a key role in the response to environmental changes, cell walls are also considered as a valuable feedstock for cellulosic ethanol. Here we explored the effects of the stress-response hormones, salicylic acid and methyl jasmonate, on cell wall biosynthesis and biomass digestibility in Brachypodium distachyon, a species recently considered as a suitable model for biomass conversion. We found that in response to salicylic acid or methyl jasmonate treatment, plant growth was reduced coupled with significant changes in cell wall composition...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28818142/psychophysiological-assessment-in-pilots-performing-challenging-simulated-and-real-flight-maneuvers
#11
Bernd Johannes, Stefanie Rothe, André Gens, Soeren Westphal, Katja Birkenfeld, Edwin Mulder, Jörn Rittweger, Carla Ledderhos
BACKGROUND: The objective assessment of psychophysiological arousal during challenging flight maneuvers is of great interest to aerospace medicine, but remains a challenging task. In the study presented here, a vector-methodological approach was used which integrates different psychophysiological variables, yielding an integral arousal index called the Psychophysiological Arousal Value (PAV). METHODS: The arousal levels of 15 male pilots were assessed during predetermined, well-defined flight maneuvers performed under simulated and real flight conditions...
September 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28817954/dissecting-amyloid-beta-deposition-using-distinct-strains-of-the-neurotropic-parasite-toxoplasma-gondii-as-a-novel-tool
#12
Carla M Cabral, Kathryn E McGovern, Wes R MacDonald, Jenna Franco, Anita A Koshy
Genetic and pathologic data suggest that amyloid beta (Aβ), produced by processing of the amyloid precursor protein, is a major initiator of Alzheimer's disease (AD). To gain new insights into Aβ modulation, we sought to harness the power of the coevolution between the neurotropic parasite Toxoplasma gondii and the mammalian brain. Two prior studies attributed Toxoplasma-associated protection against Aβ to increases in anti-inflammatory cytokines (TGF-β and IL-10) and infiltrating phagocytic monocytes. These studies only used one Toxoplasma strain making it difficult to determine if the noted changes were associated with Aβ protection or simply infection...
July 2017: ASN Neuro
https://www.readbyqxmd.com/read/28817784/hydrogen-peroxide-regulates-angiogenesis-related-factors-in-tumor-cells
#13
Ana Jerónimo, Gonçalo Rodrigues, Filipe Vilas-Boas, Gabriel G Martins, Ana Bagulho, Carla Real
Tumor angiogenesis is required for tumor development and growth and is regulated by several factors including reactive oxygen species (ROS). Hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) is a ROS with an important role in cell signaling but how H<sub>2</sub>O<sub>2</sub> regulates tumor angiogenesis is still poorly understood. We have xenografted tumor cells with altered levels of H<sub>2</sub>O<sub>2</sub> by catalase overexpression into zebrafish embryos to study redox-induced tumor neovascularization...
August 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28817413/actn3-r577x-polymorphism-is-associated-with-the-incidence-and-severity-of-injuries-in-professional-football-players
#14
Massidda Myosotis, Voisin Sarah, Culigioni Claudia, Piras Francesco, Cugia Paolo, Yan Xu, Eynon Nir, Carla M Calò
OBJECTIVE: The ACTN3 R577X gene variant results in the absence of the α-actinin-3 protein in ∼18% of humans worldwide and has been associated with athletic performance and increased susceptibility to eccentric muscle damage. The aim of this study was to investigate the association between ACTN3 R577X variant and indirect muscle disorders/injuries in professional football players. DESIGN: A case-control, genotype-phenotype association study. INTERVENTION: Two hundred fifty-seven male professional Italian football players (from Serie A, Primavera, Allievi, and Giovanissimi; age = 21...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28816916/developmental-screening-in-pediatric-sickle-cell-disease-disease-related-risk-and-screening-outcomes-in-4-year-olds
#15
Jeffrey Schatz, Alyssa Schlenz, Laura Reinman, Kelsey Smith, Carla W Roberts
OBJECTIVE: Studies of early child development in sickle cell disease (SCD) have found modest associations between disease-related risks and developmental status in infants and toddlers, but such associations are evident by early elementary school. We screened 4-year-old children with SCD using 2 screening strategies to assess if biomedical risk factors for neurologic disease are related to developmental screening outcomes at this intermediate age. METHODS: Seventy-seven 4-year-old children with SCD (M = 4...
August 4, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28815018/serum-complexed-and-free-prostate-specific-antigen-levels-are-lower-in-female-elite-athletes-in-comparison-to-control-women
#16
Emma Eklund, Eleftherios P Diamandis, Carla Muytjens, Sarah Wheeler, Anu Mathew, Martin Stengelin, Eli Glezer, Galina Nikolenko, Marshall D Brown, Yingye Zheng, Angelica Lindén Hirschberg
BACKGROUND: We hypothesize that prostate specific antigen (PSA), a protein that it is under regulation by androgens, may be differentially expressed in female elite athletes in comparison to control women. METHODS: We conducted a cross-sectional study of 106 female athletes and 114 sedentary age-matched controls.  Serum from these women was analyzed for complexed prostate specific antigen (cPSA) and free prostate specific antigen (fPSA), by fifth generation assays with limits of detection of around 6 and 140 fg/mL, respectively...
2017: F1000Research
https://www.readbyqxmd.com/read/28814917/a-new-species-of-heliconia-heliconiaceae-with-pendent-inflorescence-from-chucant%C3%A3-private-nature-reserve-eastern-panama
#17
Rodolfo Flores, Carla Black, Alicia Ibáñez
Heliconia berguidoi (Heliconiaceae), a new species from premontane forest of eastern Panama, is described, illustrated and its conservation status evaluated. Heliconia berguidoi bears pink flowers, an uncommon color in this group. It differs from the Colombian species Heliconia rhodantha and Heliconia sanctae-theresae, the most similar taxa, by the combination of a petiole glabrous except for the woolly base, a very long peduncle, the perianth pubescent at the apex and staminode with cuspidate apex. Heliconia berguidoi is also similar to Heliconia pogonantha in all four of its varieties and to Heliconia ramonensis in two of its four varieties, but differs by a combination of the long peduncle, pink flowers and staminode with cuspidate apex...
2017: PhytoKeys
https://www.readbyqxmd.com/read/28814794/increased-body-exposure-to-new-anti-trypanosomal-through-nanoencapsulation
#18
Renata Tupinambá Branquinho, Gwenaelle Pound-Lana, Matheus Marques Milagre, Dênia Antunes Saúde-Guimarães, José Mário Carneiro Vilela, Margareth Spangler Andrade, Marta de Lana, Vanessa Carla Furtado Mosqueira
Lychnopholide, a lipophilic sesquiterpene lactone, is efficacious in mice at the acute and chronic phases of Chagas disease. Conventional poly-ε-caprolactone (PCL) and long-circulating poly(D,L-lactide)-block-polyethylene glycol (PLA-PEG) nanocapsules containing lychnopholide were developed and characterized. Lychnopholide presented high association efficiency (>90%) with the nanocapsules. A new, fast and simple HPLC-UV-based bioanalytical method was developed, validated in mouse plasma and applied to lychnopholide quantification in in vitro release kinetics and pharmacokinetics...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814713/gelsolin-dysfunction-causes-photoreceptor-loss-in-induced-pluripotent-cell-and-animal-retinitis-pigmentosa-models
#19
Roly Megaw, Hashem Abu-Arafeh, Melissa Jungnickel, Carla Mellough, Christine Gurniak, Walter Witke, Wei Zhang, Hemant Khanna, Pleasantine Mill, Baljean Dhillon, Alan F Wright, Majlinda Lako, Charles Ffrench-Constant
Mutations in the Retinitis Pigmentosa GTPase Regulator (RPGR) cause X-linked RP (XLRP), an untreatable, inherited retinal dystrophy that leads to premature blindness. RPGR localises to the photoreceptor connecting cilium where its function remains unknown. Here we show, using murine and human induced pluripotent stem cell models, that RPGR interacts with and activates the actin-severing protein gelsolin, and that gelsolin regulates actin disassembly in the connecting cilium, thus facilitating rhodopsin transport to photoreceptor outer segments...
August 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28814504/osm1-facilitates-the-transfer-of-electrons-from-erv1-to-fumarate-in-the-redox-regulated-import-pathway-in-the-mitochondrial-intermembrane-space
#20
Sonya E Neal, Deepa V Dabir, Juwina Wijaya, Cennyana Boon, Carla M Koehler
Prokaryotes have aerobic and anaerobic electron acceptors for oxidative folding of periplasmic proteins. The mitochondrial intermembrane space has an analogous pathway with the oxidoreductase Mia40 and sulfhydryl oxidase Erv1, termed the MIA pathway. The aerobic electron acceptors include oxygen and cytochrome c, but an acceptor that can function under anaerobic conditions has not been identified. Here we show that the fumarate reductase Osm1, which facilitates electron transfer from fumarate to succinate, fills this gap as a new electron acceptor...
August 16, 2017: Molecular Biology of the Cell
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