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https://www.readbyqxmd.com/read/29684791/the-role-of-promyelocytic-leukemia-protein-in-steatosis-associated-hepatic-tumors-related-to-chronic-hepatitis-b-virus-infection
#1
Yih-Lin Chung, Mei-Ling Wu
The persistence of hepatitis B surface antigen (HBsAg) is a risk factor for the development of steatosis-associated tumors in chronic hepatitis B virus (HBV) infection, yet little is known about the metabolic link with this factor. We correlated HBV-related pathogenesis in genetically engineered mice and human carriers with metabolic proteomics and lipogenic gene expression profiles. The immunohistochemistry showed that the promyelocytic leukemia protein (PML, a tumor suppressor involved in genome maintenance and fatty acid oxidation), being inversely influenced by the dynamic HBsAg levels from acute phase to seroclearance, appeared as a lipo-metabolic switch linking HBsAg-induced steatosis (lipogenesis) to HBsAg-lost fat-burning hepatocarcinogenesis (lipolysis)...
April 20, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29684473/improved-cognitive-morning-performance-in-healthy-older-adults-following-blue-enriched-light-exposure-on-the-previous-evening
#2
Karine Scheuermaier, Mirjam Münch, Joseph M Ronda, Jeanne F Duffy
OBJECTIVES: Exposure to light can have acute alerting and circadian phase-shifting effects. This study investigated the effects of evening exposure to blue-enriched polychromatic white (BEL) vs. polychromatic white light (WL) on sleep inertia dissipation the following morning in older adults. METHODS: Ten healthy older adults (average age = 63.3 yrs; 6 F) participated in a 13-day study comprising three baseline days, an initial circadian phase assessment, four days with 2-h evening light exposures, a post light exposure circadian phase assessment and three recovery days...
April 20, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29684471/glucocorticoid-receptors-in-the-basolateral-amygdala-mediated-the-restraint-stress-induced-reinstatement-of-methamphetamine-seeking-behaviors-in-rats
#3
Zahra Taslimi, Abdolrahman Sarihi, Abbas Haghparast
Methamphetamine (METH) addiction is a growing epidemic worldwide. It is a common psychiatric disease and stress has an important role in the drug seeking and relapse behaviors. The involvement of the basolateral amygdala (BLA) in effects of stress on the reward pathway has been discussed in several studies. In this study, we tried to find out the involvement of glucocorticoid receptors (GRs) in the BLA in stress-induced reinstatement of the extinguished METH-induced conditioned place preference (CPP) in rats...
April 20, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29684416/development-of-antibody-biomarkers-of-long-term-and-recent-dengue-virus-infections
#4
Eduardo J M Nascimento, James W Huleatt, Marli T Cordeiro, Priscila M S Castanha, James K George, Eduard Grebe, Alex Welte, Monique Brown, Donald S Burke, Ernesto T A Marques
Dengue virus (DENV) infections elicit antibody responses to the non-structural protein 1 (NS1) that are associated with protection against disease. However, the antibody isotypes and subclasses involved, and their kinetics have not been extensively studied. We characterized the antibody responses to DENV NS1 by enzyme-linked immunosorbent assay (ELISA) in a longitudinal cohort of 266 confirmed dengue cases in Recife, Northeast Brazil. Samples were collected during the febrile phase and up to over 3 years after onset of symptoms...
April 20, 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29684398/semiquantitative-dot-blot-with-the-gra8-antigen-to-differentiate-the-stages-of-toxoplasmosis-infection
#5
Juan Gabriel Costa, María Julia Vilariño
In this work we present a novel methodology to differentiate the phases of toxoplasmosis infection: the "semiquantitative Dot Blot". It is a simple technique that does not require expensive equipment, does not involve a long technique development, and can be used in a low-complexity laboratory. In this study, two recombinant sequences of Toxoplasma gondii GRA8 antigen were used, and specific IgG antibodies were detected in selected patient samples. This method makes it possible to obtain a score for each serum and define whether the patient is in the acute or chronic phase of the infection...
April 20, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29684205/neurodegenerative-diseases-have-genetic-hallmarks-of-autoinflammatory-disease
#6
Robert I Richards, Sarah A Robertson, Daniel L Kastner
The notion that one common pathogenic pathway could account for the various clinically distinguishable, typically late-onset neurodegenerative diseases might appear unlikely given the plethora of diverse primary causes of neurodegeneration. On the contrary, an autoinflammatory pathogenic mechanism allows diverse genetic and environmental factors to converge into a common chain of causality. Inflammation has long been known to correlate with neurodegeneration. Until recently this relationship was seen as one of consequence rather than cause - with inflammatory cells and events acting to "clean up the mess" after neurological injury...
April 19, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29684161/impact-of-heat-stress-during-the-follicular-phase-on-porcine-ovarian-steroidogenic-and-phosphatidylinositol-3-signaling
#7
M J Dickson, C L Hager, A Al-Shaibi, P Q Thomas, L H Baumgard, J W Ross, A F Keating
Environmental conditions that impede heat dissipation and increase body temperature cause heat stress (HS). The study objective was to evaluate impacts of HS on the follicular phase of the estrous cycle. Post-pubertal gilts (126.0 ± 21.6 kg) were orally administered altrenogest to synchronize estrus, and subjected to either 5 d of thermal neutral (TN; 20.3 ± 0.5°C; n = 6) or cyclical HS (25.4 - 31.9°C; n = 6) conditions during the follicular phase preceding behavioral estrus. On d 5, blood samples were obtained, gilts were euthanized, and ovaries collected...
April 19, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29683943/pentoxifylline-added-to-steroid-window-treatment-phase-modified-apoptotic-gene-expression-in-pediatric-patients-with-acute-lymphoblastic-leukemia
#8
Jesus Meza-Arroyo, Alejandro Bravo-Cuellar, Luis Felipe Jave-Suárez, Georgina Hernández-Flores, Pablo Ortiz-Lazareno, Adriana Aguilar-Lemarroy, Marlin Padilla-Corona, Fernando Sanchez-Zubieta, Oscar Gonzalez-Ramella
Pentoxifylline is a xanthine that possesses antitumor properties and that can induce higher apoptosis in the leukemic cells of pediatric patients with acute lymphoblastic leukemia (ALL) during treatment with prednisone. We conducted a phase 1 pilot, controlled, randomized trial to evaluate the gene expression modified by pentoxifylline during the steroid window of induction to remission phase in patients newly diagnosed with ALL. Experimental and control treatments induced broad changes in the gene expression profile...
April 20, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29683664/assessment-of-the-acute-toxicity-uptake-and-biotransformation-potential-of-benzotriazoles-in-zebrafish-danio-rerio-larvae-combining-hilic-with-rplc-hrms-for-high-throughput-identification
#9
Dimitrios E Damalas, Anna A Bletsou, Adamantia Agalou, Dimitris Beis, Nikolaos S Thomaidis
The current study reports on the toxicity, uptake and the biotransformation potential of zebrafish (embryos and larvae) exposed to Benzotriazoles (BTs). Acute toxicity assays were conducted. Cardiac function abnormalities (pericardial edema and poor blood circulation) were observed from the phenotypic analysis of early life zebrafish embryos after BTs exposure. For the uptake and biotransformation experiment, extracts of whole body larvae were analyzed using liquid chromatography-high-resolution tandem mass spectrometry (UPLC-Q-TOF-HRMS/MS)...
April 23, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29683540/blood-pressure-levels-in-the-acute-phase-after-intracerebral-haemorrhage-are-associated-with-mortality-in-young-adults
#10
Satu Mustanoja, Jukka Putaala, Riku-Jaakko Koivunen, Ida Surakka, Turgut Tatlisumak
BACKGROUND: Blood pressure (BP) levels in acute Intracerebral haemorrhage (ICH) and mortality have not been thoroughly studied in the young. METHODS: The relationship between BP and mortality was assessed in consecutive first-ever, non-traumatic acute ICH patients ≤50 years of age, enrolled in the Helsinki ICH Young Study. BP parameters included systolic BP (SBP), diastolic BP (DBP), mean arterial pressure (MAP) and pulse pressure (SBP-DBP) at admission and 24 hours, and delta (admission-24 hour) BP parameters...
April 23, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29683474/antidepressants-for-the-treatment-of-depression-in-people-with-cancer
#11
REVIEW
Giovanni Ostuzzi, Faith Matcham, Sarah Dauchy, Corrado Barbui, Matthew Hotopf
BACKGROUND: Major depression and other depressive conditions are common in people with cancer. These conditions are not easily detectable in clinical practice, due to the overlap between medical and psychiatric symptoms, as described by diagnostic manuals such as the Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD). Moreover, it is particularly challenging to distinguish between pathological and normal reactions to such a severe illness...
April 23, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29681928/recovery-of-the-20-hz-rebound-to-tactile-and-proprioceptive-stimulation-after-stroke
#12
Eeva Parkkonen, Kristina Laaksonen, Lauri Parkkonen, Nina Forss
Sensorimotor integration is closely linked to changes in motor-cortical excitability, observable in the modulation of the 20 Hz rhythm. After somatosensory stimulation, the rhythm transiently increases as a rebound that reflects motor-cortex inhibition. Stroke-induced alterations in afferent input likely affect motor-cortex excitability and motor recovery. To study the role of somatosensory afferents in motor-cortex excitability after stroke, we employed magnetoencephalographic recordings (MEG) at 1-7 days, one month, and 12 months in 23 patients with stroke in the middle cerebral artery territory and 22 healthy controls...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29680984/serum-sialylation-changes-in-cancer
#13
REVIEW
Zejian Zhang, Manfred Wuhrer, Stephanie Holst
Cancer is a major cause of death in both developing and developed countries. Early detection and efficient therapy can greatly enhance survival. Aberrant glycosylation has been recognized to be one of the hallmarks of cancer as glycans participate in many cancer-associated events. Cancer-associated glycosylation changes often involve sialic acids which play important roles in cell-cell interaction, recognition and immunological response. This review aims at giving a comprehensive overview of the literature on changes of sialylation in serum of cancer patients...
April 21, 2018: Glycoconjugate Journal
https://www.readbyqxmd.com/read/29680427/daytime-sleepiness-driving-performance-reaction-time-and-inhibitory-control-during-sleep-restriction-therapy-for-chronic-insomnia-disorder
#14
Hannah Whittall, Meg Pillion, Michael Gradisar
BACKGROUND: Sleep restriction therapy (SRT) is a largely untested single treatment component of cognitive-behaviour therapy for insomnia. To date, the evidence for contraindications for SRT is limited to very few studies. The present study investigated the objective and subjective daytime consequences during the acute phase of SRT for adults diagnosed with Chronic Insomnia Disorder. METHODS: Sixteen adults (age = 36.3 ± 13.4 yrs, 12 females, 4 males) underwent SRT for their insomnia over a two week period based on recommendations by Miller and colleagues (2014) [6]...
May 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29680356/influence-of-myocardial-hemorrhage-on-staging-of-reperfused-myocardial-infarctions-with-t-2-cardiac-magnetic-resonance-imaging-insights-into-the-dependence-on-infarction-type-with-ex-vivo-validation
#15
Guan Wang, Hsin-Jung Yang, Avinash Kali, Ivan Cokic, Richard Tang, Guoxi Xie, Qi Yang, Joseph Francis, Songbai Li, Rohan Dharmakumar
OBJECTIVES: This study sought to determine whether T2 cardiac magnetic resonance (CMR) can stage both hemorrhagic and nonhemorrhagic myocardial infarctions (MIs). BACKGROUND: CMR-based staging of MI with or without contrast agents relies on the resolution of T2 elevations in the chronic phase, but whether this approach can be used to stage both hemorrhagic and nonhemorrhagic MIs is unclear. METHODS: Hemorrhagic (n = 15) and nonhemorrhagic (n = 9) MIs were created in dogs...
April 14, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29679707/enhanced-delivery-of-fixed-dose-combination-of-synergistic-antichagasic-agents-posaconazole-benznidazole-based-on-amorphous-solid-dispersions
#16
Camila Bezerra Melo Figueirêdo, Daniela Nadvorny, Amanda Carla Quintas de Medeiros Vieira, Giovanna Christinne Rocha de Medeiros Schver, José Lamartine Soares Sobrinho, Pedro José Rolim Neto, Ping I Lee, Monica Felts de La Roca Soares
Posaconazole (PCZ) and benznidazole (BNZ) are known to show synergetic effect in treating the acute and chronic phases of Chagas disease, a neglected parasitic disease. However, as both compounds are poorly water soluble, the development of amorphous solid dispersions (ASDs) of a PCZ/BNZ fixed-dose combination in a water-soluble polymer becomes an attractive option to increase their apparent solubility and dissolution rate, potentially improving their oral bioavailability. The initial approach was to explore solvent evaporated solid dispertion (SD) systems for a PCZ/BNZ 50:50 (wt%) combination at several total drug loading levels (from SD with 10% to 50% drug loading) in water-soluble carriers, including polyvinylpyrrolidone (PVP K-30) and vinylpyrrolidone-vinyl acetate copolymer (PVPVA 64)...
April 18, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29679458/no-evidence-for-long-term-carrier-status-of-pigs-after-african-swine-fever-virus-infection
#17
A Petrov, J H Forth, L Zani, M Beer, S Blome
This study targeted the assessment of a potential African swine fever virus (ASFV) carrier state of 30 pigs in total which were allowed to recover from infection with ASFV "Netherlands'86" prior exposure to six healthy sentinel pigs for more than 2 months. Throughout the whole trial, blood and swab samples were subjected to routine virological and serological investigations. At the end of the trial, necropsy of all animals was performed and viral persistence and distribution were assessed. Upon infection, a wide range of clinical and pathomorphological signs were observed...
April 20, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29679069/pharmacological-treatment-of-adult-bipolar-disorder
#18
REVIEW
Ross J Baldessarini, Leonardo Tondo, Gustavo H Vázquez
We summarize evidence supporting contemporary pharmacological treatment of phases of BD, including: mania, depression, and long-term recurrences, emphasizing findings from randomized, controlled trials (RCTs). Effective treatment of acute or dysphoric mania is provided by modern antipsychotics, some anticonvulsants (divalproex and carbamazepine), and lithium salts. Treatment of BD-depression remains unsatisfactory but includes some modern antipsychotics (particularly lurasidone, olanzapine + fluoxetine, and quetiapine) and the anticonvulsant lamotrigine; value and safety of antidepressants remain controversial...
April 20, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29678717/a-tandem-mass-tag-tmt-proteomic-analysis-during-the-early-phase-of-experimental-pancreatitis-reveals-new-insights-in-the-disease-pathogenesis
#19
Violeta García-Hernández, Carmen Sánchez-Bernal, Domitille Schvartz, José J Calvo, Jean-Charles Sanchez, Jesús Sánchez-Yagüe
Changes in the protein expression occurring within the initiation phase of acute pancreatitis (AP) might be vital in the development of this complex disease. However, the exact mechanisms involved in the onset of AP remains elusive and most of our knowledge about the pathobiology of AP comes from animal models. We performed in a rat pancreatitic model a high-throughput shotgun proteomic profiling of the soluble and whole membrane fractions from the pancreas during the early phase of cerulein (Cer)-induced AP...
April 17, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29678582/reversion-of-aging-related-dheas-decline-in-mouse-plasma-alleviates-aging-related-glucose-tolerance-impairment-by-potentiation-of-glucose-stimulated-insulin-secretion-of-acute-phase
#20
Junlei Ma, Jiang Yue, Rong Huang, Yu Liao, Shengxian Li, Wei Liu
AIMS/HYPOTHESIS: The latest research proposes mild age-related diabetes (MARD) as a subgroup of type 2 diabetes. While in human circulating dehydroepiandrosterone sulfate (DHEAS) decline with age is related to MARD, the role of circulating DHEAS in insulin secretion remains little known. METHODS: After intraperitoneal administration of glucose (2 g/kg) together with DHEAS (50 μg/kg) or equivalent DMSO to young (6-8 week old) or aging (12 month old) male C57BL/6 mice, plasma DHEAS and blood glucose were measured at indicated time point...
April 17, 2018: Biochemical and Biophysical Research Communications
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