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https://www.readbyqxmd.com/read/29151140/effects-of-oxygen-availability-on-oxidative-stress-biomarkers-in-the-mediterranean-mussel-mytilus-galloprovincialis
#1
Alessia Giannetto, Maria Maisano, Tiziana Cappello, Sabrina Oliva, Vincenzo Parrino, Antonino Natalotto, Giuseppe De Marco, Salvatore Fasulo
In aquatic environments, hypoxia and oxygen-deficient areas are increasing worldwide. Transitions in oxygen levels can influence the production of reactive oxygen species (ROS), eventually leading to oxidative stress. The transcriptional response of oxidative stress biomarkers was evaluated by qPCR in gill tissue from Mytilus galloprovincialis experimentally subjected to 48-h air exposure followed by 48-h re-oxygenation, as compared to normoxic control mussels. Superoxide dismutases (CuZnsod and Mnsod), catalase (cat), and glutathione S-transferase (gst) were over-expressed early after 8-h air exposure and returned to normoxic levels during re-oxygenation...
November 18, 2017: Marine Biotechnology
https://www.readbyqxmd.com/read/29151080/changes-in-u937-cell-viability-induced-by-stress-factors-possible-role-of-calmodulin
#2
K K Wojcik-Piotrowicz, J Kaszuba-Zwoinska, E Rokita, B Nowak, P Thor
Current studies were aimed to elucidate influence of magnetic field (MF) stimulation on cell viability and its effect on expression of calmodulin (CaM) and Hsp70 protein which plays a role of cell stress indicator and is a Ca(2+)-dependent CaM-binding protein. For the experimental model we have chosen U937 cell line exposed to chemical- and/or physical stress factors. Puromycin (PMC) was used as a chemical apoptosis inducer. Alternating (AC) (6.5rms mT, 35 Hz) magnetic field combined with 6 mT static (DC) component, or pulsed electromagnetic field (45 ± 5)mT, 50 Hz (PEMF) acted as physical stressors...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29150642/rescue-of-pfos-induced-human-sertoli-cell-injury-by-overexpressing-a-p-fak-y407e-phosphomimetic-mutant
#3
Haiqi Chen, Ying Gao, Dolores D Mruk, Xiang Xiao, Constance M John, Paul J Turek, Wing-Yee Lui, Will M Lee, Bruno Silvestrini, C Yan Cheng
PFOS induces Sertoli cell injury using testicular cells isolated from rodent testes, but it remains unknown if PFOS has similar effects in humans. Herein, we maintained human Sertoli cells in a mitotically active state in vitro, thus enabling transfection experiments that altered gene expression to explore the molecular mechanism(s) underlying toxicant-induced cell injury. Human Sertoli cells obtained from men at ages 15, 23, 36 and 40 were cultured in vitro. These differentiated Sertoli cells remained mitotically active when cultured in the presence of 10% FBS (fetal bovine serum), with a replication time of ~1-3 weeks...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150349/frontal-sinus-revision-rate-after-nasal-polyposis-surgery-including-frontal-recess-clearance-and-middle-turbinectomy-a-long-term-analysis
#4
Hakim Benkhatar, Idir Khettab, Philippe Sultanik, Ollivier Laccourreye, Pierre Bonfils
OBJECTIVE: To determine the frontal sinus revision rate after nasal polyposis (NP) surgery including frontal recess clearance (FRC) and middle turbinectomy (MT), to search for predictive factors and to analyse surgical management. METHODS: Longitudinal analysis of 153 patients who consecutively underwent bilateral sphenoethmoidectomy with FRC and MT for NP with a minimum follow-up of 7 years. Decision of revision surgery was made in case of medically refractory chronic frontal sinusitis or frontal mucocele...
November 14, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29148980/-just-don-t-be-creepy-a-phenomenological-study-of-the-experiences-of-men-in-massage-therapy
#5
Amanda Baskwill, Meredith Vanstone
Background Societal expectations around traditional binary gender roles result in some professions being considered "men's work" or "women's work". Massage therapy (MT) is one such profession that, despite being predominantly female, is joined by an increasing number of men with a desire to help others. Methods This descriptive phenomenological study asked male massage therapists in Ontario, Canada, about their experience of gender in their professional lives. Fourteen men shared their experiences of practice, which included discriminatory hiring and patient preferences for female practitioners...
November 17, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29147990/assessment-of-the-effect-of-once-daily-nitisinone-therapy-on-24-h-urinary-metadrenalines-and-5-hydroxyindole-acetic-acid-excretion-in-patients-with-alkaptonuria-after-4-weeks-of-treatment
#6
A S Davison, B Norman, A M Milan, A T Hughes, M Khedr, J Rovensky, J A Gallagher, L R Ranganath
BACKGROUND: One of the major metabolic consequences of using nitisinone to treat patients with alkaptonuria is that circulating tyrosine concentrations increase. As tyrosine is required for the biosynthesis of catecholamine neurotransmitters, it is possible that their metabolism is altered as a consequence. Herein we report the 24-h urinary excretion of normetadrenaline (NMA), metadrenaline (MA), 3-methoxytyramine (3-MT) (catecholamine metabolites) and 5-hydroxyindole acetic acid (5-HIAA, metabolite of serotonin) in a cohort of AKU patients before and after a 4-week treatment trial with nitisinone...
November 17, 2017: JIMD Reports
https://www.readbyqxmd.com/read/29147486/a-novel-medium-throughput-biological-assay-system-for-htlv-1-infectivity-and-drug-discovery
#7
Mojtaba Fattahi Abdizadeh, Manoochehr Makvandi, Alireza Samarbafzadeh, Kayhan Azadmanesh
Objectives: Here, a reporter cell line containing two reporter vectors were developed, in order to monitor the Human T-Lymphotropic Virus type1(HTLV-1) infectivity and the cell viability simultaneously. Materials and Methods: The reporter cell line was constructed by stably transfected baby hamster's kidney cell line (BHK-21), with the genomes expressing two different reporters in separate plasmids. The first reporter gene is transactivated by the HTLV-1 tax protein, while the second reporter is continuously expressed when introduced into a mammalian cell...
October 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29147451/metastatic-malignant-thymoma-to-the-abdomen-a-seer-database-review-and-assessment-of-treatment-strategies
#8
J Matthew Helm, Dan Lavy, Jazmine Figueroa-Bodine, Saju Joseph
Background: Thymoma is a neoplasm occurring in 0.15 of 100,000 persons/year. Abdominal metastases are rare. We report the incidence of malignant thymoma (MT) and suggest imaging and treatment options for cases of abdominal metastasis. Methods: A National Cancer Institute's Surveillance, Epidemiology and End Results database review was conducted to identify MT cases, followed by a literature review examining cases of metastases to the abdomen. Incidence rates were calculated, and symptoms, treatments, size and location of tumors, disease-free interval (DFI), and survival time were recorded...
October 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/29147009/mitochondrial-uqcrb-as-a-new-molecular-prognostic-biomarker-of-human-colorectal-cancer
#9
Hyun-Chul Kim, Junghwa Chang, Hannah S Lee, Ho Jeong Kwon
Ubiquinol cytochrome c reductase binding protein (UQCRB) is important for mitochondrial complex III stability, electron transport, cellular oxygen sensing and angiogenesis. However, its potential as a prognostic marker in colorectal cancer (CRC) remains unclear. The aim of this study was to determine whether UQCRB can be used as a diagnostic molecular marker for CRC. The correlation between the expression of three genes (UQCRB, UQCRFS1 and MT-CYB) in the mitochondrial respiratory chain complex III and clinico-pathological features was determined...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146830/mechanical-thrombectomy-performs-similarly-in-real-world-practice-a-2016-nationwide-study-from-the-czech-republic
#10
Ondrej Volny, Antonin Krajina, Silvie Belaskova, Michal Bar, Petra Cimflova, Roman Herzig, Daniel Sanak, Ales Tomek, Martin Köcher, Miloslav Rocek, Radek Padr, Filip Cihlar, Miroslava Nevsimalova, Lubomir Jurak, Roman Havlicek, Martin Kovar, Petr Sevcik, Vladimir Rohan, Jan Fiksa, Bijoy K Menon, Robert Mikulik
BACKGROUND: Randomized clinical trials have proven mechanical thrombectomy (MT) to be a highly effective and safe treatment in acute stroke. The purpose of this study was to compare neurothrombectomy data from the Czech Republic (CR) with data from the HERMES meta-analysis. METHODS: Available nationwide data for the CR from 2016 from the Safe Implementation of Treatments in Stroke-Thrombectomy (SITS-TBY) registry for patients with terminal internal carotid artery (ICA) and/or middle cerebral artery (MCA) occlusions were compared with data from HERMES...
November 16, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29146829/is-bridging-therapy-still-required-in-stroke-due-to-carotid-artery-terminus-occlusions
#11
Romain Bourcier, Pierre-Louis Alexandre, François Eugène, Béatrice Delasalle-Guyomarch, Benoit Guillon, Basile Kerleroux, Suzana Saleme, Gaultier Marnat, Samy Boucebci, Mahmood Mirza, Jean-Christophe Ferré, Chrysanthi Papagiannaki, Hubert Desal
INTRODUCTION: Studies comparing endovascular stroke treatment using mechanical thrombectomy (MT) with or without prior IV tissue plasminogen activator (tPa) have included only 30% of internal carotid artery terminus occlusions (ICA-O), a known predictor of recanalization failure with IV tPa. OBJECTIVE: To carry out a retrospective multicenter analysis of prospectively collected data of consecutive patients to investigate the impact of intravenous thrombolysis on ICA-O by comparing patients treated with MT alone or bridging therapy (BT)...
November 16, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29146465/more-than-blindsight-case-report-of-a-child-with-extraordinary-visual-capacity-following-perinatal-bilateral-occipital-lobe-injury
#12
Inaki-Carril Mundinano, Juan Chen, Mitchell de Souza, Marc G Sarossy, Marc F Joanisse, Melvyn A Goodale, James A Bourne
Injury to the primary visual cortex (V1, striate cortex) and the geniculostriate pathway in adults results in cortical blindness, abolishing conscious visual perception. Early studies by Larry Weiskrantz and colleagues demonstrated that some patients with an occipital-lobe injury exhibited a degree of unconscious vision and visually-guided behaviour within the blind field. A more recent focus has been the observed phenomenon whereby early-life injury to V1 often results in the preservation of visual perception in both monkeys and humans...
November 13, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/29145469/development-of-visual-cortical-function-in-infant-macaques-a-bold-fmri-study
#13
Tom J Van Grootel, Alan Meeson, Matthias H J Munk, Zoe Kourtzi, J Anthony Movshon, Nikos K Logothetis, Lynne Kiorpes
Functional brain development is not well understood. In the visual system, neurophysiological studies in nonhuman primates show quite mature neuronal properties near birth although visual function is itself quite immature and continues to develop over many months or years after birth. Our goal was to assess the relative development of two main visual processing streams, dorsal and ventral, using BOLD fMRI in an attempt to understand the global mechanisms that support the maturation of visual behavior. Seven infant macaque monkeys (Macaca mulatta) were repeatedly scanned, while anesthetized, over an age range of 102 to 1431 days...
2017: PloS One
https://www.readbyqxmd.com/read/29144173/chronotype-regulates-the-neural-basis-of-response-inhibition-during-the-daytime
#14
Jingjing Song, Pan Feng, Xiaoyue Zhao, Wenjian Xu, Lijuan Xiao, Jia Zhou, Yong Zheng
Studies have elucidated the various modulatory effects of chronotype and time-of-day on task-dependent brain activity, but it is unclear how chronotype and time-of-day regulate brain activity in response inhibition tasks. To address this question, we used functional magnetic resonance imaging (fMRI) to explore the effects of chronotype and time-of-day on response inhibition in normal day-night conditions. Morning-type (MT) and evening-type (ET) participants conducted the stop-signal task in morning (08:00-12:00 hours) and evening (19:00-23:00 hours) sessions...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29144166/imaging-assessment-of-acute-ischaemic-stroke-a-review-of-radiological-methods
#15
Aubrey Smith, Chris Rowland Hill
Acute ischaemic stroke is the second largest cause of death worldwide and a cause of major physical and psychological morbidity. Current evidence based treatment includes intravenous thrombolysis (IVT) and mechanical thrombectomy (MT), both requiring careful patient selection and to be administered as quickly as possible within a limited time window from symptom onset. Imaging plays a crucial role identifying patients who may benefit from MT or IVT whilst excluding those that maybe harmed. For IVT, imaging must as a minimum exclude haemorrhage, stroke mimics and provide an estimate of non-viable brain...
November 16, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29143880/effects-of-heat-waves-on-daily-excess-mortality-in-14-korean-cities-during-the-past-20%C3%A2-years-1991-2010-an-application-of-the-spatial-synoptic-classification-approach
#16
Dae-Geun Lee, Kyu Rang Kim, Jiyoung Kim, Baek-Jo Kim, Chun-Ho Cho, Scott C Sheridan, Laurence S Kalkstein, Ho Kim, Seung-Muk Yi
The aims of this study are to explore the "offensive" summer weather types classified under the spatial synoptic classification (SSC) system and to evaluate their impacts on excess mortality in 14 Korean cities. All-cause deaths per day for the entire population were examined over the summer months (May-September) of 1991-2010. Daily deaths were standardized to account for long-term trends of subcycles (annual, seasonal, and weekly) at the mid-latitudes. In addition, a mortality prediction model was constructed through multiple stepwise regression to develop a heat-health warning system based on synoptic climatology...
November 16, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29143329/matsubara-takahashi-cervix-holding-technique-for-massive-postpartum-hemorrhage-in-patients-with-placenta-previa-with-or-without-placenta-accreta-spectrum-disorders
#17
Hironori Takahashi, Akihide Ohkuchi, Rie Usui, Hirotada Suzuki, Yosuke Baba, Shigeki Matsubara
OBJECTIVE: To determine the efficacy and safety of the Matsubara-Takahashi cervix-holding technique (MT-holding) for achieving hemostasis for postpartum hemorrhage (PPH). METHODS: The present retrospective observational study included data from deliveries that occurred between January 1, 2004, and December 31, 2014, at the Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Japan. Deliveries were included where patients experienced blood loss greater than 2500 mL and MT-holding was used...
November 16, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29142323/nkx6-1-decline-accompanies-mitochondrial-dna-reduction-but-subtle-nucleoid-size-decrease-in-pancreatic-islet-%C3%AE-cells-of-diabetic-goto-kakizaki-rats
#18
Tomáš Špaček, Vojtěch Pavluch, Lukáš Alán, Nikola Capková, Hana Engstová, Andrea Dlasková, Zuzana Berková, František Saudek, Petr Ježek
Hypertrophic pancreatic islets (PI) of Goto Kakizaki (GK) diabetic rats contain a lower number of β-cells vs. non-diabetic Wistar rat PI. Remaining β-cells contain reduced mitochondrial (mt) DNA per nucleus (copy number), probably due to declining mtDNA replication machinery, decreased mt biogenesis or enhanced mitophagy. We confirmed mtDNA copy number decrease down to <30% in PI of one-year-old GK rats. Studying relations to mt nucleoids sizes, we employed 3D superresolution fluorescent photoactivable localization microscopy (FPALM) with lentivirally transduced Eos conjugate of mt single-stranded-DNA-binding protein (mtSSB) or transcription factor TFAM; or by 3D immunocytochemistry...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142227/population-genetic-structure-of-the-land-snail-camaena-cicatricosa-stylommatophora-camaenidae-in-china-inferred-from-mitochondrial-genes-and-its2-sequences
#19
Weichuan Zhou, Haifang Yang, Hongli Ding, Shanping Yang, Junhong Lin, Pei Wang
The phylogeographic structure of the land snail Camaena cicatricosa was analyzed in this study based on mitochondrial gene (COI and 16srRNA, mt DNA) and internal transcribed spacer (ITS2) sequences in 347 individuals. This snail is the vector of the zoonotic food-borne parasite Angiostrongylus cantonensis and one of the main harmful snails distributed exclusively in China. The results revealed significant fixation indices of genetic differentiation and high gene flow between most populations except several populations...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141012/effects-of-music-therapy-and-music-based-interventions-in-the-treatment-of-substance-use-disorders-a-systematic-review
#20
Louisa Hohmann, Joke Bradt, Thomas Stegemann, Stefan Koelsch
Music therapy (MT) and music-based interventions (MBIs) are increasingly used for the treatment of substance use disorders (SUD). Previous reviews on the efficacy of MT emphasized the dearth of research evidence for this topic, although various positive effects were identified. Therefore, we conducted a systematic search on published articles examining effects of music, MT and MBIs and found 34 quantitative and six qualitative studies. There was a clear increase in the number of randomized controlled trials (RCTs) during the past few years...
2017: PloS One
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