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https://www.readbyqxmd.com/read/27930286/left-ventricular-geometry-and-risk-of-sudden-cardiac-arrest-in-patients-with-severely-reduced-ejection-fraction
#1
Derek Phan, Aapo L Aro, Kyndaron Reinier, Carmen Teodorescu, Audrey Uy-Evanado, Karen Gunson, Jonathan Jui, Sumeet S Chugh
BACKGROUND: Recent reports indicate that specific left ventricular (LV) geometric patterns predict recurrent ventricular arrhythmias in patients with implantable cardioverter-defibrillators and reduced left ventricular ejection fraction (LVEF). However, this relationship has not been evaluated among patients at risk of sudden cardiac arrest (SCA) in the general population. METHODS AND RESULTS: Adult SCA cases from the Oregon Sudden Unexpected Death Study were compared with geographic controls with no prior history of SCA...
August 18, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27927655/role-of-cannabinoid-receptor-type-1-in-tibial-and-pudendal-neuromodulation-of-bladder-overactivity-in-cats
#2
Xuewen Jiang, Michelle Yu, Jamie Uy, Thomas Fuller, Cameron Jones, Bing Shen, Jicheng Wang, James R Roppolo, William de Groat, Changfeng Tai
The role of cannabinoid type 1 (CB1) receptors in tibial and pudendal neuromodulation of bladder overactivity induced by intravesical infusion of 0.5% acetic acid (AA) was determined in α-chloralose anesthetized cats. AA irritation significantly (p<0.01) reduced bladder capacity to 36.6±4.8% of saline control capacity. Tibial nerve stimulation (TNS) at 2 or 4 times threshold (T) intensity for inducing toe movement inhibited bladder overactivity and significantly (p<0.01) increased bladder capacity to 69...
December 7, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27904808/effect-of-common-and-experimental-anti-tuberculosis-treatments-on-mycobacterium-tuberculosis-growing-as-biofilms
#3
James P Dalton, Benedict Uy, Narisa Phummarin, Brent R Copp, William A Denny, Simon Swift, Siouxsie Wiles
Much is known regarding the antibiotic susceptibility of planktonic cultures of Mycobacterium tuberculosis, the bacterium responsible for the lung disease tuberculosis (TB). As planktonically-grown M. tuberculosis are unlikely to be entirely representative of the bacterium during infection, we set out to determine how effective a range of anti-mycobacterial treatments were against M. tuberculosis growing as a biofilm, a bacterial phenotype known to be more resistant to antibiotic treatment. Light levels from bioluminescently-labelled M...
2016: PeerJ
https://www.readbyqxmd.com/read/27895044/polymorphisms-in-the-gnas-gene-as-predictors-of-ventricular-tachyarrhythmias-and-sudden-cardiac-death-results-from-the-discovery-trial-and-oregon-sudden-unexpected-death-study
#4
Heinrich Wieneke, Jesper Hastrup Svendsen, Jeffrey Lande, Sebastian Spencker, Juan Gabriel Martinez, Bernhard Strohmer, Lauri Toivonen, Hervé Le Marec, F Javier Garcia-Fernandez, Domenico Corrado, Adriana Huertas-Vazquez, Audrey Uy-Evanado, Carmen Rusinaru, Kyndaron Reinier, Csaba Foldesi, Wieslaw Hulak, Sumeet S Chugh, Winfried Siffert
BACKGROUND: Population-based studies suggest that genetic factors contribute to sudden cardiac death (SCD). METHODS AND RESULTS: In the first part of the present study (Diagnostic Data Influence on Disease Management and Relation of Genetic Polymorphisms to Ventricular Tachy-arrhythmia in ICD Patients [DISCOVERY] trial) Cox regression was done to determine if 7 single-nucleotide polymorphisms (SNPs) in 3 genes coding G-protein subunits (GNB3, GNAQ, GNAS) were associated with ventricular tachyarrhythmia (VT) in 1145 patients receiving an implantable cardioverter-defibrillator (ICD)...
November 28, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27885462/the-cytoprotective-effect-of-rumex-aquaticus-herba-extract-against-hydrogen-peroxide-induced-oxidative-stress-in-ags-cells
#5
Eun Jeong Cho, Seung In Um, Jeong Hoon Han, Byeonghee Kim, Sang Beom Han, Ji Hoon Jeong, Hak Rim Kim, Inkyeom Kim, Wan Kyun Whang, Eunhwa Lee, Uy Dong Sohn
The Rumex Aquaticus Herba extract containing quercetin-3-β-D-glucuronopyranoside (ECQ) has been reported to exhibit various pharmacological activities, including anti-inflammatory and anti-oxidative effects. This plant has been traditionally used for the treatment of diarrhea, disinfestation, edema and jaundice, and as an antipyretic drug. The aim of the present study was to investigate the ability of ECQ to protect against oxidative damage and to determine its signaling mechanism in AGS cells. The protein expressions of heme oxygenase-1 (HO-1) and nuclear factor-erythroid 2 related factor 2 (Nrf2) were measured by Western blots...
November 24, 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/27856388/bilateral-salpingectomy-utilizing-percutaneous-mini-laparoscopy
#6
Cynthia Arvizo, M Jean Uy-Kroh
STUDY OBJECTIVE: To demonstrate a new for bilateral salpingectomy utilizing percutaneous mini-laparoscopy. DESIGN: Step-by-step video demonstration and narration of the surgical procedure SETTING: Mini-laparoscopy was first described in the late 1980s and early 1990s. Since then, mini-laparoscopic instruments have been successfully applied to several general surgery and gynecologic procedures, including hysterectomy. Potential benefits of mini-laparoscopy compared to conventional laparoscopy include decreased tissue trauma, pain, and improved cosmesis...
November 14, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27847436/the-p90rsk-mediated-signaling-of-ethanol-induced-cell-proliferation-in-hepg2-cell-line
#7
Han Sang Kim, Su-Jin Kim, Jinhyung Bae, Yiyi Wang, Sun Young Park, Young Sil Min, Hyun Dong Je, Uy Dong Sohn
Ribosomal S6 kinase is a family of serine/threonine protein kinases involved in the regulation of cell viability. There are two subfamilies of ribosomal s6 kinase, (p90rsk, p70rsk). Especially, p90rsk is known to be an important downstream kinase of p44/42 MAPK. We investigated the role of p90rsk on ethanol-induced cell proliferation of HepG2 cells. HepG2 cells were treated with 10~50 mM of ethanol with or without ERK and p90rsk inhibitors. Cell viability was measured by MTT assay. The expression of pERK1, NHE1 was measured by Western blots...
November 2016: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/27846320/an-inhibitory-motif-on-the-5-utr-of-several-rotavirus-genome-segments-affects-protein-expression-and-reverse-genetics-strategies
#8
Giuditta De Lorenzo, Marija Drikic, Guido Papa, Catherine Eichwald, Oscar R Burrone, Francesca Arnoldi
Rotavirus genome consists of eleven segments of dsRNA, each encoding one single protein. Viral mRNAs contain an open reading frame (ORF) flanked by relatively short untranslated regions (UTRs), whose role in the viral cycle remains elusive. Here we investigated the role of 5'UTRs in T7 polymerase-driven cDNAs expression in uninfected cells. The 5'UTRs of eight genome segments (gs3, gs5-6, gs7-11) of the simian SA11 strain showed a strong inhibitory effect on the expression of viral proteins. Decreased protein expression was due to both compromised transcription and translation and was independent of the ORF and the 3'UTR sequences...
2016: PloS One
https://www.readbyqxmd.com/read/27827819/prmt5-is-essential-for-the-maintenance-of-chondrogenic-progenitor-cells-in-the-limb-bud
#9
Jacqueline L Norrie, Qiang Li, Swanie Co, Bau-Lin Huang, Ding Ding, Jann C Uy, Zhicheng Ji, Susan Mackem, Mark T Bedford, Antonella Galli, Hongkai Ji, Steven A Vokes
During embryonic development, undifferentiated progenitor cells balance the generation of additional progenitor cells with differentiation. Within the developing limb, cartilage cells differentiate from mesodermal progenitors in an ordered process that results in the specification of the correct number of appropriately sized skeletal elements. The internal process by which these cells maintain an undifferentiated state while preserving their capacity to differentiate is unknown. Here, we report that the arginine methyltransferase PRMT5 has a critical role in maintaining progenitor cells...
November 8, 2016: Development
https://www.readbyqxmd.com/read/27811334/effect-of-exhaust-and-nonexhaust-related-components-of-particulate-matter-on-long-term-survival-after-stroke
#10
Anita Desikan, Siobhan Crichton, Uy Hoang, Benjamin Barratt, Sean D Beevers, Frank J Kelly, Charles D A Wolfe
BACKGROUND AND PURPOSE: Outdoor air pollution represents a potentially modifiable risk factor for stroke. We examined the link between ambient pollution and mortality up to 5 years poststroke, especially for pollutants associated with vehicle exhaust. METHODS: Data from the South London Stroke Register, a population-based register covering an urban, multiethnic population, were used. Hazard ratios (HR) for a 1 interquartile range increase in particulate matter <2...
November 3, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27798772/awareness-knowledge-and-perceptions-of-biosimilars-among-specialty-physicians
#11
Hillel Cohen, Donna Beydoun, David Chien, Tracy Lessor, Dorothy McCabe, Michael Muenzberg, Robert Popovian, Jonathan Uy
INTRODUCTION: The Biosimilars Forum conducted a survey through an independent organization from November 20, 2015 to January 4, 2016 in order to assess current levels of awareness, knowledge, and perceptions of biosimilars among US specialty physicians who already prescribe biologics. The survey was intended to provide a baseline level of knowledge about biosimilars and will be repeated in 2-3 years in order to monitor trends over time. METHODS: A 19-question survey was created by the Biosimilars Forum and was administered by an independent third party...
October 31, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27798206/screening-of-anti-mycobacterial-compounds-in-a-naturally-infected-zebrafish-larvae-model
#12
J P Dalton, B Uy, K S Okuda, C J Hall, W A Denny, P S Crosier, S Swift, S Wiles
OBJECTIVES: Mycobacterium tuberculosis is a deadly human pathogen that causes the lung disease TB. M. tuberculosis latently infects a third of the world's population, resulting in ∼1.5 million deaths per year. Due to the difficulties and expense of carrying out animal drug trials using M. tuberculosis and rodents, infections of the zebrafish Danio rerio with Mycobacterium marinum have become a useful surrogate. However, the infection methods described to date require specialized equipment and a high level of operator expertise...
October 24, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27790131/primary-marginal-zone-b-cell-lymphoma-of-the-mucosa-associated-lymphoid-tissue-of-the-lacrimal-sac-found-with-epiphora-a-case-report
#13
Yoshiyuki Kitaguchi, Yasuhiro Takahashi, Jacqueline Mupas-Uy, Emiko Takahashi, Hirohiko Kakizaki
We report a case of a primary marginal zone B-cell lymphoma of the mucosa-associated lymphoid tissue of the lacrimal sac, which was found in a patient with epiphora without palpable mass. Magnetic resonance imaging demonstrated mucosal thickening of the lacrimal sac with a patent lumen, consistent with the intraoperative finding. Epiphora resolved, which was confirmed by smooth syringing, 1 month after starting the immunotherapy.
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/27778274/moisturizing-effect-of-serine-loaded-solid-lipid-nanoparticles-and-polysaccharide-rich-extract-of-root-phragmites-communis-incorporated-in-hydrogel-bases
#14
Sonia Barua, Hyeongmin Kim, Seong-Chul Hong, Seung-Yup Yoo, Dohyun Shin, Chung-Lyol Lee, Seon-Jeong Na, Yeong Hyo Kim, Kanghee Jo, Gyiae Yun, Joong-Hark Kim, Uy Dong Sohn, Jaehwi Lee
This study evaluated the moisturizing effect of serine-loaded solid lipid nanoparticles (serine-SLN) and polysaccharide-rich reed (Phragmites communis) root extract (RRE) incorporated in hydrogel bases. The hydrogels with serine-SLN and/or RRE were carefully applied on the volar forearm of human volunteers. Their moisturizing efficacy was evaluated by monitoring conductance values using a skin surface hygrometer. The values of the area under the normalized conductance-time curve (AUCC) were developed and compared as a parameter for the water holding capacity of the skin...
October 24, 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/27763457/implementing-community-engagement-as-a-mission-at-the-david-geffen-school-of-medicine-at-the-university-of-california-los-angeles
#15
Bowen Chung, Arleen F Brown, Gerardo Moreno, Pattie Cuen, Visith Uy, Sitaram Vangala, Douglas S Bell, A Eugene Washington, Keith C Norris, Carol M Mangione
This manuscript describes the development and implementation of community engagement as a mission at UCLA's David Geffen School of Medicine (DGSOM) and UCLA Health System, and summarizes survey results documenting existing community-engaged projects and interest between 2010 to 2013.
2016: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/27762470/association-of-urodynamics-and-lower-urogenital-tract-nerve-growth-factor-after-synthetic-vaginal-mesh-implantation-on-a-rat-model
#16
Tsia-Shu Lo, Yi-Hao Lin, Hsiao-Chien Chu, Eileen Feliz M Cortes, Leng Boi Pue, Yiap Loong Tan, Ma Clarissa Uy-Patrimonio
AIM: By investigating the association of urodynamics and urogenital nerve growth factor (NGF) levels in vaginal mesh surgery, we may be able to associate the likelihood of postoperative lower urinary tract symptoms developing as a result of synthetic mesh implanted for pelvic floor reconstructive surgery. METHODS: Thirty-eight female Sprague-Dawley rats were divided into three groups: mesh, sham (no mesh), and control. Urodynamic study and NGF analysis of the urogenital tissues were done and results were compared among all groups...
October 20, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27753813/ssa-04-4-current-status-in-management-of-hypertension-in-latin-america
#17
Fernando Stuardo Wyss Quintana
Latin America has 23 countries ranging from Mexico, Central America, South America and the Caribbean, of these 19 countries are considered by the WHO as countries with high and very high risk, one of the similarities of our countries is poor access to services health and medicine, resulting from poor government investment in health as the amount used in this sector occupies only the best 3% of the national budget and gross domestic product.Thus we know that the prevalence of hypertension varies widely from country to country and from city to city, presenting in Guatemala a prevalence of 40%, while in other countries in the area ranges between 25 and 35%, most complicated problem is that within the same country as the population this prevalence can vary greatly and have a different impact between populationsTherefore we know that the impact of cardiovascular disease within the range of non-communicable diseases occupies at least 30% and of these about 70% occupied countries of low and moderate income...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27741494/micro-ct-based-finite-element-models-of-cancellous-bone-predict-accurately-displacement-once-the-boundary-condition-is-well-replicated-a-validation-study
#18
Yuan Chen, Enrico Dall Ara, Erika Sales, Krishnagoud Manda, Robert Wallace, Pankaj Pankaj, Marco Viceconti
Non-destructive 3D micro-computed tomography (microCT) based finite element (microFE) models are used to estimate bone mechanical properties at tissue level. However, their validation remains challenging. Recent improvements in the quantification of displacements in bone tissue biopsies subjected to staged compression, using refined Digital Volume Correlation (DVC) techniques, now provide a full field displacement information accurate enough to be used for microFE validation. In this study, three specimens (two humans and one bovine) were tested with two different experimental set-ups, and the resulting data processed with the same DVC algorithm...
September 17, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27740633/dynamic-changes-in-the-clonal-structure-of-mds-and-aml-in-response-to-epigenetic-therapy
#19
G L Uy, E J Duncavage, G S Chang, M A Jacoby, C A Miller, J Shao, S Heath, K Elliott, T Reinick, R S Fulton, C C Fronick, M O'Laughlin, L Ganel, C N Abboud, A F Cashen, J F DiPersio, R K Wilson, D C Link, J S Welch, T J Ley, T A Graubert, P Westervelt, M J Walter
Traditional response criteria in MDS and AML are based on bone marrow morphology and may not accurately reflect clonal tumor burden in patients treated with non-cytotoxic chemotherapy. We used next-generation sequencing of serial bone marrow samples to monitor MDS and AML tumor burden during treatment with epigenetic therapy (decitabine and panobinostat). Serial bone marrow samples (and skin as a source of normal DNA) from 25 MDS and AML patients were sequenced (exome or 285 gene panel). We observed that responders, including those in complete remission (CR), can have persistent measurable tumor burden (i...
October 14, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27722751/continuous-curvilinear-capsulorhexis-performed-with-the-verus-ophthalmic-caliper
#20
Malik Y Kahook, Robert J Cionni, Michael J Taravella, Robert E Ang, Aaron N Waite, Jonathan D Solomon, Harvey S Uy
PURPOSE: To compare size, circularity, and centration outcomes of continuous curvilinear capsulorhexis (CCC) performed with or without assistance from the VERUS ophthalmic caliper (Mile High Ophthalmics, Denver, CO). METHODS: This was a multicenter retrospective consecutive case controlled series review. RESULTS: Data from 40 consecutive cases using the VERUS device for CCC were compared to 40 consecutive cases with standard manual CCC. VERUS-assisted CCC size, circularity, and centration were closer to target compared to that of manual only procedures (P < ...
October 1, 2016: Journal of Refractive Surgery
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