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https://www.readbyqxmd.com/read/28103406/evaluation-of-the-ability-of-polyphenol-extracts-of-cocoa-and-red-grape-to-promote-the-antioxidant-response-in-yeast-using-a-rapid-multiwell-assay
#1
Ana Peláez-Soto, María Teresa Fernández-Espinar, Patricia Roig, José Vicente Gil
Saccharomyces cerevisiae has been used as a model organism to study the capacity of cocoa and red grape extracts to trigger an antioxidant response. A methodology adapted to microtiter plates has been developed to monitor yeast growth after culture preincubation with food ingredients and exposure to oxidative stress by hydrogen peroxide and menadione. This methodology proved effective in measuring the ability of cocoa and red grape extracts to promote an antioxidant response in yeast, and also the prospect of conducting dose-response studies...
January 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28101915/early-medieval-stone-lined-graves-in-southern-germany-analysis-of-an-emerging-noble-class
#2
Andreas Rott, Nils Turner, Ulrike Scholz, Kristin von Heyking, Franziska Immler, Joris Peters, Jochen Haberstroh, Michaela Harbeck
OBJECTIVES: Stone-lined graves, which first appear in Bavarian territory during the 7(th) century AD, are assumed to be tombs of emerging nobility. While previous research on stone-lined grave goods supports their status as elite burials, an important factor defining nobility-kinship-has not been examined so far. MATERIALS AND METHODS: Morphological analysis of the commingled skeletal remains of 21 individuals from three archaeological sites was carried out. Radiocarbon dating was conducted on these individuals to gain information on usage intervals of these graves...
January 19, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28100765/acute-transient-vestibular-syndrome-prevalence-of-stroke-and-efficacy-of-bedside-evaluation
#3
Jae-Hwan Choi, Min-Gyu Park, Seo Young Choi, Kyung-Pil Park, Seung Kug Baik, Ji-Soo Kim, Kwang-Dong Choi
BACKGROUND AND PURPOSE: The aim of this study was to determine the prevalence of stroke and efficacy of bedside evaluation in diagnosing stroke in acute transient vestibular syndrome (ATVS). METHODS: We performed a prospective, single-center, observational study that had consecutively recruited 86 patients presenting with ATVS to the emergency department of Pusan National University Yangsan Hospital from January to December 2014. All patients received a constructed evaluation, including HINTS plus (head impulse, nystagmus patterns, test of skew, and finger rubbing) and brain magnetic resonance imagings...
January 18, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28100263/benzene-poisoning-clinical-and-blood-abnormalities-in-two-brazilian-female-gas-station-attendants-two-case-reports
#4
Fábio Santiago, Simone Lima, Tayná Pinheiro, Rafaele Tavares Silvestre, Ubirani Barros Otero, Marianne Medeiros Tabalipa, Nadezda Kosyakova, Maria Helena Ornellas, Thomas Liehr, Gilda Alves
BACKGROUND: Brazilian gas station workers are chronically exposed to benzene, toluene, xylene (BTX) during their working time. Describe below two cases of latin female gas station workers with benzene poisoning symptoms and miscarriage history. CASE PRESENTATION: In both cases were identified complex chromosomal rearrangements (CCR) with fluorescence in situ hybridization, applied to whole chromosome paints by chromosomes 1, 2 and 4. The lower natural killer cell (NK) cells have also been observed in cases correspondents, especially the rare type of NK (NKbright) in their peripheral blood cells...
January 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28093016/acute-and-residual-effects-in-adolescent-rats-resulting-from-exposure-to-the-novel-synthetic-cannabinoids-ab-pinaca-and-ab-fubinaca
#5
Richard C Kevin, Katie E Wood, Jordyn Stuart, Andrew J Mitchell, Michael Moir, Samuel D Banister, Michael Kassiou, Iain S McGregor
Synthetic cannabinoids (SCs) have rapidly proliferated as recreational drugs, and may present a substantial health risk to vulnerable populations. However, information on possible effects of long-term use is sparse. This study compared acute and residual effects of the popular indazole carboxamide SC compounds AB-PINACA and AB-FUBINACA in adolescent rats with ∆(9)-tetrahydrocannabinol (THC) and control treatments. Albino Wistar rats were injected (i.p.) with AB-PINACA or AB-FUBINACA every second day (beginning post-natal day (PND) 31), first at a low dose (0...
January 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28090786/inorganic-nitrite-modulates-mirna-signatures-in-acute-myocardial-in-vivo-ischemia-reperfusion
#6
Ulrike B Hendgen-Cotta, Daniel Messiha, Sonja Esfeld, René Deenen, Tienush Rassaf, Matthias Totzeck
Acute myocardial infarction is the leading cause of mortality in the industrialized world. While it is essential to attempt an early reperfusion of ischemic myocardial territories, reperfusion itself adds damage to the heart, the ischemia-reperfusion (I/R) injury. Particularly the injury resulting from the very first minutes of reperfusion remains incompletely understood. MicroRNAs (miRNAs) are dynamic regulators in I/R injury. Nitric oxide (•NO) signaling, in turn, interacts with miRNA signaling. Our previous investigations showed that •NO signaling in I/R could be modulated by nitrite...
January 16, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28090281/successful-treatment-of-immune-reconstitution-inflammatory-syndrome-related-hemophagocytic-syndrome-in-an-hiv-patient-with-primary-effusion-lymphoma
#7
Markela-P Zorzou, Maria Chini, Athina Lioni, Georgios Tsekes, Thomas Nitsotolis, Ioannis Tierris, Nicolaos Panagiotou, Dimitra Rontogianni, Nicolaos Harhalakis, Marios Lazanas
Although the connection of [secondary hemophagocytic syndrome (sHS)] with HIV has been well documented, optimal treatment regimen is not well established. This is due not only to the rarity of the syndrome, but also to the heterogeneity of the involved population. Most cases are related to opportunistic infections or malignancies in advanced stage, but many cases are also related to seroconversion, in the primary infection setting. Moreover, in the [antiretroviral treatment (ART)] era, rare cases of ART-related sHS have been reported...
November 2, 2016: Hematology Reports
https://www.readbyqxmd.com/read/28087667/prmt5-selective-inhibitors-suppress-inflammatory-t-cell-responses-and-experimental-autoimmune-encephalomyelitis
#8
Lindsay M Webb, Stephanie A Amici, Kyle A Jablonski, Himanshu Savardekar, Amanda R Panfil, Linsen Li, Wei Zhou, Kevin Peine, Vrajesh Karkhanis, Eric M Bachelder, Kristy M Ainslie, Patrick L Green, Chenglong Li, Robert A Baiocchi, Mireia Guerau-de-Arellano
In the autoimmune disease multiple sclerosis and its animal model, experimental autoimmune encephalomyelitis (EAE), expansion of pathogenic, myelin-specific Th1 cell populations drives active disease; selectively targeting this process may be the basis for a new therapeutic approach. Previous studies have hinted at a role for protein arginine methylation in immune responses, including T cell-mediated autoimmunity and EAE. However, a conclusive role for the protein arginine methyltransferase (PRMT) enzymes that catalyze these reactions has been lacking...
January 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28087575/treating-inflammation-and-infection-in-the-21st-century-new-hints-from-decoding-resolution-mediators-and-mechanisms
#9
REVIEW
Charles N Serhan
Practitioners of ancient societies from the time of Hippocrates and earlier recognized and treated the signs of inflammation, heat, redness, swelling, and pain with agents that block or inhibit proinflammatory chemical mediators. More selective drugs are available today, but this therapeutic concept has not changed. Because the acute inflammatory response is host protective to contain foreign invaders, much of today's pharmacopeia can cause serious unwanted side effects, such as immune suppression. Uncontrolled inflammation is now considered pathophysiologic and is associated with many widely occurring diseases such as cardiovascular disease, neurodegenerative diseases, diabetes, obesity, and asthma, as well as classic inflammatory diseases (e...
January 13, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28087374/what-stoichiometries-determined-by-mass-spectrometry-reveal-about-the-ligand-binding-mode-to-g-quadruplex-nucleic-acids
#10
Michael J Lecours, Adrien Marchand, Ahdia Anwar, Corinne Guetta, W Scott Hopkins, Valérie Gabelica
G-quadruplexes (G4s) have become important drug targets to regulate gene expression and telomere maintenance. Many studies on G4 ligand binding focus on determining the ligand binding affinities and selectivities. Ligands, however, can also affect the G4 conformation. Here we explain how to use electrospray ionization mass spectrometry (ESI-MS) to monitor simultaneously ligand binding and cation binding stoichiometries. The changes in potassium binding stoichiometry upon ligand binding hint at ligand-induced conformational changes involving a modification of the number of G-quartets...
January 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28079476/mimiviruses-and-the-human-interferon-system-viral-evasion-of-classical-antiviral-activities-but-inhibition-by-a-novel-interferon-%C3%AE-regulated-immunomodulatory-pathway
#11
Gabriel Magno de Freitas Almeida, Lorena C Ferreira Silva, Philippe Colson, Jonatas Santos Abrahao
In this review we discuss the role of mimiviruses as potential human pathogens focusing on clinical and evolutionary evidence. We also propose a novel antiviral immunomodulatory pathway controlled by interferon-β (IFN-β) and mediated by immune-responsive gene 1 (IRG1) and itaconic acid, its product. Acanthamoeba polyphaga Mimivirus (APMV) was isolated from amoebae in a hospital while investigating a pneumonia outbreak. Mimivirus ubiquity and role as protist pathogens are well understood, and its putative status as a human pathogen has been gaining strength as more evidence is being found...
January 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28079302/molecular-basis-for-covalent-inhibition-of-glyceraldehyde-3-phosphate-dehydrogenase-by-a-2-phenoxy-1-4-naphthoquinone-small-molecule
#12
Stefano Bruno, Elisa Uliassi, Mirko Zaffagnini, Federica Prati, Christian Bergamini, Riccardo Amorati, Gianluca Paredi, Marilena Margiotta, Paola Conti, Maria Paola Costi, Marcel Kaiser, Andrea Cavalli, Romana Fato, Maria Laura Bolognesi
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) has recently gained attention as an anti-protozoan and anti-cancer drug target. We have previously identified 2-phenoxy-1,4-naphthoquinone as an inhibitor of both Trypanosoma brucei and human GAPDH. Herein, through multiple chemical, biochemical, and biological studies, and through the design of analogs, we confirmed the formation of a covalent adduct, we clarified the inhibition mechanism and we demonstrated antitrypanosomal, antiplasmodial and cytotoxic activities in cell cultures...
January 12, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28078993/mirnas-new-biomarkers-and-therapeutic-targets-in-dementia
#13
Ana Teresa de Bastos Viegas, Joana Ribeiro Guedes, Ana Rafaela Oliveira, Ana Maria Sequeira Cardoso, Ana Luísa Colaço Cardoso
BACKGROUND: Dementia is a complex pathological state that affects millions of individuals worldwide and is responsible for a huge socioeconomic burden, making it a major health concern of current times. Given the impact of dementia in both patients and caregivers, it is crucial to fully clarify the molecular mechanisms underlying dementia-associated disorders, since without this knowledge our ability to correctly diagnose and treat these diseases is severely hampered. METHODS: Epigenetic mechanisms, such as miRNA-mediated post-transcriptional regulation, have been reported to play a role in dementia pathogenesis...
January 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28075508/differences-in-access-to-and-use-of-electronic-personal-health-information-between-rural-and-urban-residents-in-the-united-states
#14
Alexandra J Greenberg, Danielle Haney, Kelly D Blake, Richard P Moser, Bradford W Hesse
PURPOSE: The increase in use of health information technologies (HIT) presents new opportunities for patient engagement and self-management. Patients in rural areas stand to benefit especially from increased access to health care tools and electronic communication with providers. We assessed the adoption of 4 HIT tools over time by rural or urban residency. METHODS: Analyses were conducted using data from 7 iterations of the National Cancer Institute's Health Information National Trends Survey (HINTS; 2003-2014)...
January 11, 2017: Journal of Rural Health
https://www.readbyqxmd.com/read/28073035/criterion-validity-of-measures-of-perceived-relative-harm-of-e-cigarettes-and-smokeless-tobacco-compared-to-cigarettes
#15
Alexander Persoskie, Anh B Nguyen, Annette R Kaufman, Cindy Tworek
Beliefs about the relative harmfulness of one product compared to another (perceived relative harm) are central to research and regulation concerning tobacco and nicotine-containing products, but techniques for measuring such beliefs vary widely. We compared the validity of direct and indirect measures of perceived harm of e-cigarettes and smokeless tobacco (SLT) compared to cigarettes. On direct measures, participants explicitly compare the harmfulness of each product. On indirect measures, participants rate the harmfulness of each product separately, and ratings are compared...
January 4, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28071894/noninvasive-monitoring-of-blood-glucose-with-raman-spectroscopy
#16
Rishikesh Pandey, Santosh Kumar Paidi, Tulio A Valdez, Chi Zhang, Nicolas Spegazzini, Ramachandra Rao Dasari, Ishan Barman
The successful development of a noninvasive blood glucose sensor that can operate reliably over sustained periods of time has been a much sought after but elusive goal in diabetes management. Since diabetes has no well-established cure, control of elevated glucose levels is critical for avoiding severe secondary health complications in multiple organs including the retina, kidney and vasculature. While fingerstick testing continues to be the mainstay of blood glucose detection, advances in electrochemical sensing-based minimally invasive approaches have opened the door for alternate methods that would considerably improve the quality of life for people with diabetes...
January 10, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28071664/comparison-of-the-glycopattern-alterations-of-mitochondrial-proteins-in-cerebral-cortex-between-rat-alzheimer-s-disease-and-the-cerebral-ischemia-model
#17
Houyou Yu, Changwei Yang, Shi Chen, Yang Huang, Chuanming Liu, Jian Liu, Wen Yin
Alzheimer's disease (AD) and ischemic brain injury are two major neurodegenerative diseases. Mitochondrial dysfunction commonly occurs in AD and ischemic brain injury. Currently, little attention has been paid to the glycans on mitochondrial glycoproteins, which may play vital roles during the process of mitochondrial dysfunction. The aim of this study was to illustrate and compare the glycopattern alterations of mitochondrial glycoproteins extracted from the cerebral cortex of the rat models of these two diseases using High-throughput lectin microarrays...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28064233/clozapine-associated-with-autoimmune-reaction-fever-and-low-level-cardiotoxicity-a-case-report
#18
Charilaos Gerasimou, Georgia Phaedra Vitali, George D Vavougios, Charalabos Papageorgiou, Athanasios Douzenis, Styliani I Kokoris, Ioannis Liappas, Emmanouil Rizos
BACKGROUND: Clozapine is a second-generation antipsychotic drug used in treatment-resistant schizophrenia. Fever induced by clozapine is a rather frequent side-effect which usually occurs in the first 4 weeks of treatment. Despite its effectiveness, there are potentially life-threatening adverse effects, such as cardiotoxicity. CASE REPORT: We present the case of a 31-year-old caucasian male with refractory schizophrenia who developed benign fever, increase of C-reactive protein and high troponin levels, without presenting any other signs to myocarditis, on the 13th day under clozapine treatment, which declined progressively upon discontinuation of the drug...
January 2017: In Vivo
https://www.readbyqxmd.com/read/28063136/intervening-response-events-between-identification-targets-do-not-always-turn-repetition-benefits-into-repetition-costs
#19
Matthew D Hilchey, Jason Rajsic, Greg Huffman, Jay Pratt
When there is a relatively long interval between two successive stimuli that must be detected or localized, there are robust processing costs when the stimuli appear at the same location. However, when two successive visual stimuli that must be identified appear at the same location, there are robust same location costs only when the two stimuli differ in their responses; otherwise same location benefits are observed. Two separate frameworks that inhibited attentional orienting and episodic integration, respectively, have been proposed to account for these patterns...
January 6, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28057502/variations-of-the-morris-water-maze-task-to-comparatively-assess-human-and-rodent-place-navigation
#20
Robby Schoenfeld, Thomas Schiffelholz, Christian Beyer, Bernd Leplow, Nigel Foreman
Performance in the Morris water maze has been widely used in routine behavioural studies of rodents. Since the advent of computer-based virtual environments, adaptations of the water maze have become available for human research. Despite decades of comparative neuroscience, formal comparisons of human and animal place navigation performance are rarely. We studied 36 subjects, 18 young male mice in a Morris water maze and 18 male students in a virtual version. Quantitative measures (escape latencies, distances and platform crossings) indicated no discernable differences between human and rodent performance, reinforcing the task's general validity and its implied cross-species comparability...
January 2, 2017: Neurobiology of Learning and Memory
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