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https://www.readbyqxmd.com/read/28936409/current-scenario-of-hepatitis-b-and-its-treatment-in-india
#1
REVIEW
Gautam Ray
Hepatitis B is a significant public health problem in India, yet disease awareness is very low among the general population. The disease is mostly acquired horizontally, but the role of vertical transmission should not be underestimated. In spite of the fact that the majority of cases are e negative disease, most patients present in the advanced stage and even with hepatocellular carcinoma, the leading cause of which is hepatitis B. High-risk groups (especially tribals) also harbour significant disease burden and have a high prevalence of occult infection, supporting the potential of unknowingly spreading the disease...
September 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28936060/endophthalmitis-due-to-proteus-vulgaris-after-pars-plana-vitrectomy-with-devastating-outcome
#2
Abdullah S Al-Kharashi, Abdulmajeed S Al-Kharshi, Yasser H Al-Faky
Postoperative infectious endophthalmitis is rare, yet devastating loss of vision or loss of the eye can occur due to a highly purulent microorganism or uncontrolled endophthalmitis that may spread to all coats of the eye. We report, herewith, a case of rapidly progressive postoperative endophthalmitis after pars plana vitrectomy which ended up with enucleation. The isolated microorganism was Proteus vulgaris which has not been reported as causative bacteria of postoperative infections following pars plana vitrectomy...
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28936059/a-case-of-unilateral-retinitis-pigmentosa-associated-with-full-thickness-macular-hole
#3
Lama Enani, Igor Kozak, Ehab Abdelkader
A 44-year-old Saudi female presented with poor right eye vision for 3 years. Visual acuity (VA) was 20/400 in the right eye and 20/20 in the left eye. Examination and imaging showed all the typical features of retinitis pigmentosa in the right eye associated with full thickness macular hole (FTMH) and an essentially normal left eye. The case underwent pars plana vitrectomy with internal limiting membrane peeling and gas tamponade that resulted in anatomical closure of the FTMH, but VA remained the same.
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28935058/n-o-349-consommation-de-substances-psychoactives-pendant-la-grossesse
#4
Alice Ordean, Suzanne Wong, Lisa Graves
OBJECTIFS: Accroître la sensibilisation à la consommation problématique de substances psychoactives pendant la grossesse et les connaissances à ce sujet, et formuler des recommandations factuelles relatives à la prise en charge de cet épineux problème clinique à l'intention de l'ensemble des fournisseurs de soins. OPTIONS: La présente directive clinique analyse l'utilisation d'outils de dépistage, l'approche générale de soins et les recommandations pour la prise en charge clinique de la consommation problématique de substances psychoactives pendant la grossesse...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28934471/a-novel-non-canonical-pip-box-mediates-parg-interaction-with-pcna
#5
Tanja Kaufmann, Irina Grishkovskaya, Anton A Polyansky, Sebastian Kostrhon, Eva Kukolj, Karin M Olek, Sebastien Herbert, Etienne Beltzung, Karl Mechtler, Thomas Peterbauer, Josef Gotzmann, Lijuan Zhang, Markus Hartl, Bojan Zagrovic, Kareem Elsayad, Kristina Djinovic-Carugo, Dea Slade
Poly(ADP-ribose) glycohydrolase (PARG) regulates cellular poly(ADP-ribose) (PAR) levels by rapidly cleaving glycosidic bonds between ADP-ribose units. PARG interacts with proliferating cell nuclear antigen (PCNA) and is strongly recruited to DNA damage sites in a PAR- and PCNA-dependent fashion. Here we identified PARG acetylation site K409 that is essential for its interaction with PCNA, its localization within replication foci and its recruitment to DNA damage sites. We found K409 to be part of a non-canonical PIP-box within the PARG disordered regulatory region...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934454/assessment-of-molecular-antigenic-and-pathological-features-of-canine-influenza-a-h3n2-viruses-that-emerged-in-the-united-states
#6
Joanna A Pulit-Penaloza, Natosha Simpson, Hua Yang, Hannah M Creager, Joyce Jones, Paul Carney, Jessica A Belser, Genyan Yang, Jessie Chang, Hui Zeng, Sharmi Thor, Yunho Jang, Mary Lea Killian, Melinda Jenkins-Moore, Alicia Janas-Martindale, Edward Dubovi, David E Wentworth, James Stevens, Terrence M Tumpey, C Todd Davis, Taronna R Maines
Background: A single subtype of canine influenza virus (CIV), A(H3N8), was circulating in the United States until a new subtype, A(H3N2), was detected in Illinois in spring 2015. Since then, this CIV has caused thousands of infections in dogs in multiple states. Methods: In this study, genetic and antigenic properties of the new CIV were evaluated. In addition, structural and glycan array binding features of the recombinant hemagglutinin were determined. Replication kinetics in human airway cells and pathogenesis and transmissibility in animal models were also assessed...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931939/survival-and-prognostic-factors-in-hypertrophic-cardiomyopathy-a-meta-analysis
#7
Qun Liu, Diandian Li, Alan E Berger, Roger A Johns, Li Gao
Hypertrophic cardiomyopathy (HCM) is a clinically and genetically heterogeneous disorder but data on survival rates are still conflicting and have not so far been quantitatively reviewed. The aim of this study is to conduct a meta-analysis of cohort studies to assess pooled survival rates and prognostic factors for survival in patients with HCM. Nineteen studies were included representing 12,146 HCM patients. The pooled 1-, 3-, 5- and 10-year survival rates were 98.0%, 94.3%, 82.2% and 75.0%, respectively. Among patients with HCM, age, NYHA functional class, family history of sudden death (FHSD), syncope, atrial fibrillation, non-sustained ventricular tachycardia (nsVT), maximum left ventricular wall thickness and obstruction were significant prognostic factors for cardiovascular death...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931341/the-neurotoxic-effects-of-prenatal-gabapentin-and-oxcarbazepine-exposure-on-newborn-rats
#8
Zuleyha Erisgin, Bulent Ayas, Jens R Nyengaard, N Ercument Beyhun, Yuksel Terzi
Teratogenicity is a problematic issue for pregnant women because of x-ray radiation, drugs, genetic and unknown variables. First generation antiepileptic drugs (AED) like valproic acid are well-known teratogens for developing foetuses. However, their usage is necessary in order to prevent maternal seizures. The underlying mechanism of birth defects associated with AED exposure remains unclear and information about the neurotoxic effects of prenatal exposure to AED is still limited. Oxcarbazepine (OXC) and gabapentin (GBP) are second generation antiepileptic drugs...
September 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28931023/parsimonious-data-how-a-single-facebook-like-predicts-voting-behavior-in-multiparty-systems
#9
Jakob Bæk Kristensen, Thomas Albrechtsen, Emil Dahl-Nielsen, Michael Jensen, Magnus Skovrind, Tobias Bornakke
This study shows how liking politicians' public Facebook posts can be used as an accurate measure for predicting present-day voter intention in a multiparty system. We highlight that a few, but selective digital traces produce prediction accuracies that are on par or even greater than most current approaches based upon bigger and broader datasets. Combining the online and offline, we connect a subsample of surveyed respondents to their public Facebook activity and apply machine learning classifiers to explore the link between their political liking behaviour and actual voting intention...
2017: PloS One
https://www.readbyqxmd.com/read/28930945/effects-of-propranolol-and-clonidine-on-brain-edema-blood-brain-barrier-permeability-and-endothelial-glycocalyx-disruption-following-fluid-percussion-brain-injury-in-the-rat
#10
Gustav Folmer Genét, Peter Bentzer, Morten Bagge Hansen, Sisse Rye Ostrowski, Pär Ingemar Johansson
BACKGROUND: Traumatic brain injury causes a disruption of the vascular endothelial glycocalyx layer that is associated with an overactivation of the sympathoadrenal system. We hypothesized that early and unselective beta-blockade with propranolol alone or in combination with the alfa2-agonist clonidine would decrease brain edema, blood-brain-barrier permeability and glycocalyx disruption at 24 hours after trauma. METHODS: We subjected fifty-three adult male Sprague-Dawley rats to lateral fluid-percussion brain injury and randomized infusion with propranolol (n=16), propranolol+clonidine (n=16), vehicle (n=16) or sham (n=5) for 24 hours...
September 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28929895/les-nouvelles-technologies-et-la-cha%C3%A3-ne-de-la-s%C3%A3-curit%C3%A3
#11
Rob Martell, Jason T Macartney, Danielle Portnik
La technologie médicale connaît une croissance exponentielle dans le milieu de la santé, mais elle n'a toutefois pas suivi le rythme observé dans des industries similaires, telles que l'aéronautique. Les nouvelles technologies ont le potentiel d'accroître la sécurité des patients, mais si leur introduction dans le milieu de la santé n'est pas coordonnée de manière réfléchie et proactive, la chaîne de la sécurité risque de s'en trouver affaiblie, ce qui exposera les patients à des risques. Trois concepts qui représentent la chaîne de la sécurité sont décrits...
January 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28929891/la-haute-fiabilit%C3%A3-en-soins-de-sant%C3%A3-la-cr%C3%A3-ation-d-une-culture-et-d-une-mentalit%C3%A3-favorisant-la-s%C3%A3-curit%C3%A3-des-patients
#12
Bonnie S Cochrane, Mitch Hagins, Gino Picciano, John A King, David A Marshall, Brian Nelson, Craig Deao
Les préjudices que subissent les patients recevant des soins de santé représentent un fardeau considérable et peuvent avoir de graves répercussions sur les patients et les familles ainsi que sur la capacité des systèmes de santé de gérer l'accès des patients, leurs déplacements dans le système et les temps d'attente. L'intérêt pour la science de la haute fiabilité, mise au point à l'origine dans des secteurs comme l'aviation commerciale, qui ont un bilan exceptionnel en matière de sécurité, est une nouvelle tendance en soins de santé qui pourrait aider les organisations et les systèmes à atteindre le but ultime : zéro préjudice subi par les patients...
March 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28929884/la-sant%C3%A3-des-premi%C3%A3-res-nations-des-inuits-et-des-m%C3%A3-tis-les-facteurs-que-doivent-envisager-les-leaders-en-sant%C3%A3-canadiens-dans-la-foul%C3%A3-e-du-rapport-de-la-commission-de-v%C3%A3-rit%C3%A3-et-r%C3%A3-conciliation-du-canada
#13
Mary McNally, Debbie Martin
Les peuples des Premières nations, inuits et métis qui habitent au Canada sont aux prises avec de profondes disparités en matière de santé par rapport aux Canadiens non autochtones, et ce, dans presque toutes les mesures liées à la santé et au bien-être. Pour faire progresser les services de santé auprès des peuples autochtones, il faut passer à l'action dans tous les ordres de prestation des soins et des politiques en santé. Il est donc essentiel que les leaders et les prestataires des établissements, des systèmes et des installations de santé du Canada comprennent et prennent en main les déterminants de la santé propres aux peuples autochtones, y compris l'héritage du colonialisme et le racisme ancien et actuel...
March 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28928959/cell-polarity-cell-adhesion-and-spermatogenesis-role-of-cytoskeletons
#14
REVIEW
Linxi Li, Ying Gao, Haiqi Chen, Tito Jesus, Elizabeth Tang, Nan Li, Qingquan Lian, Ren-Shan Ge, C Yan Cheng
In the rat testis, studies have shown that cell polarity, in particular spermatid polarity, to support spermatogenesis is conferred by the coordinated efforts of the Par-, Crumbs-, and Scribble-based polarity complexes in the seminiferous epithelium. Furthermore, planar cell polarity (PCP) is conferred by PCP proteins such as Van Gogh-like 2 (Vangl2) in the testis. On the other hand, cell junctions at the Sertoli cell-spermatid (steps 8-19) interface are exclusively supported by adhesion protein complexes (for example, α6β1-integrin-laminin-α3,β3,γ3 and nectin-3-afadin) at the actin-rich apical ectoplasmic specialization (ES) since the apical ES is the only anchoring device in step 8-19 spermatids...
2017: F1000Research
https://www.readbyqxmd.com/read/28928478/biomimetically-engineered-amphotericin-b-nano-aggregates-circumvent-toxicity-constraints-and-treat-systemic-fungal-infection-in-experimental-animals
#15
Qamar Zia, Owais Mohammad, Mohd Ahmar Rauf, Wasi Khan, Swaleha Zubair
Biomimetic synthesis of nanoparticles offers a convenient and bio friendly approach to fabricate complex structures with sub-nanometer precision from simple precursor components. In the present study, we have synthesized nanoparticles of Amphotericin B (AmB), a potent antifungal agent, using Aloe vera leaf extract. The synthesis of AmB nano-assemblies (AmB-NAs) was established employing spectro-photometric and electron microscopic studies, while their crystalline nature was established by X-ray diffraction...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928373/a-synthetic-cell-permeable-antioxidant-protects-neurons-against-acute-oxidative-stress
#16
Nicola J Drummond, Nick O Davies, Janet E Lovett, Mark R Miller, Graeme Cook, Thomas Becker, Catherina G Becker, Donald B McPhail, Tilo Kunath
Excessive reactive oxygen species (ROS) can damage proteins, lipids, and DNA, which result in cell damage and death. The outcomes can be acute, as seen in stroke, or more chronic as observed in age-related diseases such as Parkinson's disease. Here we investigate the antioxidant ability of a novel synthetic flavonoid, Proxison (7-decyl-3-hydroxy-2-(3,4,5-trihydroxyphenyl)-4-chromenone), using a range of in vitro and in vivo approaches. We show that, while it has radical scavenging ability on par with other flavonoids in a cell-free system, Proxison is orders of magnitude more potent than natural flavonoids at protecting neural cells against oxidative stress and is capable of rescuing damaged cells...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927665/fgd5-sustains-vascular-endothelial-growth-factor-a-vegfa-signaling-through-inhibition-of-proteasome-mediated-vegf-receptor-2-degradation
#17
Johan Heldin, Paul O'Callaghan, Rodrigo Hernández Vera, Peder Fredlund Fuchs, Pär Gerwins, Johan Kreuger
The complete repertoire of endothelial functions elicited by FGD5, a guanine nucleotide exchange factor activating the Rho GTPase Cdc42, has yet to be elucidated. Here we explore FGD5's importance during vascular endothelial growth factor A (VEGFA) signaling via VEGF receptor 2 (VEGFR2) in human endothelial cells. In microvascular endothelial cells, FGD5 is located at the inner surface of the cell membrane as well as at the outer surface of EEA1-positive endosomes carrying VEGFR2. The latter finding prompted us to explore if FGD5 regulates VEGFR2 dynamics...
September 16, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28927397/detection-of-bacterial-pathogens-from-clinical-specimens-using-conventional-microbial-culture-and-16s-metagenomics-a-comparative-study
#18
Lalanika M Abayasekara, Jennifer Perera, Vishvanath Chandrasekharan, Vaz S Gnanam, Nisala A Udunuwara, Dileepa S Liyanage, Nuwani E Bulathsinhala, Subhashanie Adikary, Janith V S Aluthmuhandiram, Chrishanthi S Thanaseelan, D Portia Tharmakulasingam, Tharaga Karunakaran, Janahan Ilango
BACKGROUND: Infectious disease is the leading cause of death worldwide, and diagnosis of polymicrobial and fungal infections is increasingly challenging in the clinical setting. Conventionally, molecular detection is still the best method of species identification in clinical samples. However, the limitations of Sanger sequencing make diagnosis of polymicrobial infections one of the biggest hurdles in treatment. The development of massively parallel sequencing or next generation sequencing (NGS) has revolutionized the field of metagenomics, with wide application of the technology in identification of microbial communities in environmental sources, human gut and others...
September 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28926232/prediction-errors-of-molecular-machine-learning-models-lower-than-hybrid-dft-error
#19
Felix A Faber, Luke Hutchison, Bing Huang, Justin Gilmer, Samuel S Schoenholz, George E Dahl, Oriol Vinyals, Steven Kearnes, Patrick F Riley, O Anatole von Lilienfeld
We investigate the impact of choosing regres- sors and molecular representations for the construction of fast machine learning (ML) models of thirteen electronic ground-state properties of organic molecules. The performance of each regressor/representation/property combination is assessed using learning curves which report out- of-sample errors as a function of training set size with up to ∼118k distinct molecules. Molecular structures and properties at hybrid density functional theory (DFT) level of theory come from the QM9 database [Ramakrishnan et al, Scientific Data 1 140022 (2014)] and include enthalpies and free energies of atomization , HOMO/LUMO energies and gap, dipole moment, polarizability, zero point vibrational energy, heat capacity and the highest fundamental vibrational frequency...
September 19, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28926197/epiretinal-membrane-surgery-an-analysis-of-2-step-sequential-or-combined-phacovitrectomy-surgery-on-refraction-and-macular-anatomy-in-a-prospective-trial
#20
Hassan Hamoudi, Ulrik Correll Christensen, Morten La Cour
PURPOSE: To assess the impact of combined phacoemulsification-vitrectomy and sequential surgery for idiopathic epiretinal membrane (ERM) on refractive error (RE) and macular morphology. METHODS: In this prospective clinical trial, we allocated phakic eyes with ERM to (1) cataract surgery and subsequent pars plana vitrectomy (PPV) (CAT group), (2) PPV and subsequent cataract surgery (VIT group) or (3) phaco-vitrectomy (COMBI group). Examinations were at baseline, one month after each surgery, and at 3 months and 12 months of follow-up...
September 19, 2017: Acta Ophthalmologica
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