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https://www.readbyqxmd.com/read/28928212/population-and-whole-genome-sequence-based-characterization-of-invasive-group-a-streptococci-recovered-in-the-united-states-during-2015
#1
Sopio Chochua, Ben J Metcalf, Zhongya Li, Joy Rivers, Saundra Mathis, Delois Jackson, Robert E Gertz, Velusamy Srinivasan, Ruth Lynfield, Chris Van Beneden, Lesley McGee, Bernard Beall
Group A streptococci (GAS) are genetically diverse. Determination of strain features can reveal associations with disease and resistance and assist in vaccine formulation. We employed whole-genome sequence (WGS)-based characterization of 1,454 invasive GAS isolates recovered in 2015 by Active Bacterial Core Surveillance and performed conventional antimicrobial susceptibility testing. Predictions were made for genotype, GAS carbohydrate, antimicrobial resistance, surface proteins (M family, fibronectin binding, T, R28), secreted virulence proteins (Sda1, Sic, exotoxins), hyaluronate capsule, and an upregulated nga operon (encodes NADase and streptolysin O) promoter (Pnga3)...
September 19, 2017: MBio
https://www.readbyqxmd.com/read/28926565/a-snp-panel-and-online-tool-for-checking-genotype-concordance-through-comparing-qr-codes
#2
Yonghong Du, Joshua S Martin, John McGee, Yuchen Yang, Eric Yi Liu, Yingrui Sun, Matthias Geihs, Xuejun Kong, Eric Lingfeng Zhou, Yun Li, Jie Huang
In the current precision medicine era, more and more samples get genotyped and sequenced. Both researchers and commercial companies expend significant time and resources to reduce the error rate. However, it has been reported that there is a sample mix-up rate of between 0.1% and 1%, not to mention the possibly higher mix-up rate during the down-stream genetic reporting processes. Even on the low end of this estimate, this translates to a significant number of mislabeled samples, especially over the projected one billion people that will be sequenced within the next decade...
2017: PloS One
https://www.readbyqxmd.com/read/28912234/without-inclusion-diversity-initiatives-may-not-be-enough
#3
Chandler Puritty, Lynette R Strickland, Eanas Alia, Benjamin Blonder, Emily Klein, Michel T Kohl, Earyn McGee, Maclovia Quintana, Robyn E Ridley, Beth Tellman, Leah R Gerber
No abstract text is available yet for this article.
September 15, 2017: Science
https://www.readbyqxmd.com/read/28911093/consolidative-proton-therapy-after-chemotherapy-for-patients-with-hodgkin-lymphoma
#4
B S Hoppe, C E Hill-Kayser, Y D Tseng, S Flampouri, H M Elmongy, O Cahlon, N P Mendenhall, A Maity, L A McGee, J P Plastaras
Background: We investigated early outcomes for patients receiving chemotherapy followed by consolidative proton therapy (PT) for the treatment of Hodgkin lymphoma (HL). Patients and methods: From June 2008 through August 2015, 138 patients with HL enrolled on either IRB-approved outcomes tracking protocols or registry studies received consolidative PT. Patients were excluded due to relapsed or refractory disease. Involved-site radiotherapy field designs were used for all patients...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28871985/stimulating-innate-immunity-to-enhance-radiation-therapy-induced-tumor-control
#5
REVIEW
Jason R Baird, Arta M Monjazeb, Omid Shah, Heather McGee, William J Murphy, Marka R Crittenden, Michael J Gough
Novel ligands that target Toll-like receptors and other innate recognition pathways represent a potent strategy for modulating innate immunity to generate antitumor immunity. Although many of the current clinically successful immunotherapies target adaptive T-cell responses, both preclinical and clinical studies suggest that adjuvants have the potential to enhance the scope and efficacy of cancer immunotherapy. Radiation may be a particularly good partner to combine with innate immune therapies, because it is a highly efficient means to kill cancer cells but may fail to send the appropriate inflammatory signals needed to act as an efficient endogenous vaccine...
October 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28851801/generalisability-of-vaccine-effectiveness-estimates-an-analysis-of-cases-included-in-a-postlicensure-evaluation-of-13-valent-pneumococcal-conjugate-vaccine-in-the-usa
#6
Ruth Link-Gelles, Daniel Westreich, Allison E Aiello, Nong Shang, David J Weber, Jennifer B Rosen, Tasneem Motala, Laurene Mascola, Jeffery Eason, Karen Scherzinger, Corinne Holtzman, Arthur L Reingold, Meghan Barnes, Susan Petit, Monica M Farley, Lee H Harrison, Shelley Zansky, Ann Thomas, William Schaffner, Lesley McGee, Cynthia G Whitney, Matthew R Moore
OBJECTIVES: External validity, or generalisability, is the measure of how well results from a study pertain to individuals in the target population. We assessed generalisability, with respect to socioeconomic status, of estimates from a matched case-control study of 13-valent pneumococcal conjugate vaccine effectiveness for the prevention of invasive pneumococcal disease in children in the USA. DESIGN: Matched case-control study. SETTING: Thirteen active surveillance sites for invasive pneumococcal disease in the USA...
August 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28846166/cortisol-inhibits-csf2-and-csf3-via-dna-methylation-and-inhibits-invasion-in-first-trimester-trophoblast-cells
#7
Arianna Smith, Elizabeth Witte, Devin McGee, Jason Knott, Kavita Narang, Karen Racicot
PROBLEM: Heightened maternal stress affects trophoblast function and increases risk for adverse pregnancy outcomes. METHODS OF STUDY: Studies were performed using the first-trimester trophoblast cell line, Sw.71. Cytokines were quantified using qPCR and ELISA. Epigenetic regulation of cytokines was characterized by inhibiting histone deacetylation (1 μmol/L suberoylanilide hydroxamic acid [SAHA]) or methylation (5 μmol/L 5-azacytidine), or with chromatin immunoprecipitation (ChIP) with a pan-acetyl histone-3 antibody...
August 28, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28844715/manumycin-a-suppresses-exosome-biogenesis-and-secretion-via-targeted-inhibition-of-ras-raf-erk1-2-signaling-and-hnrnp-h1-in-castration-resistant-prostate-cancer-cells
#8
Amrita Datta, Hogyoung Kim, Madhu Lal, Lauren McGee, Adedoyin Johnson, Ahmed A Moustafa, Jennifer C Jones, Debasis Mondal, Marc Ferrer, Asim B Abdel-Mageed
Emerging evidence links exosomes to cancer progression by the trafficking of oncogenic factors and neoplastic reprogramming of stem cells. This necessitates identification and integration of functionally validated exosome-targeting therapeutics into current cancer management regimens. We employed quantitative high throughput screen on two libraries to identify exosome-targeting drugs; a commercially available collection of 1280 pharmacologically active compounds and a collection of 3300 clinically approved compounds...
August 24, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28842487/loss-of-mucin-type-o-glycans-impairs-the-integrity-of-the-glomerular-filtration-barrier-in-the-mouse-kidney
#9
Kai Song, Jianxin Fu, Jianhua Song, Brett H Herzog, Kirk Bergstrom, Yuji Kondo, J Michael McDaniel, Samuel McGee, Robert Silasi-Mansat, Florea Lupu, Hong Chen, Harini Bagavant, Lijun Xia
The kidney filtration activity is essential for removing toxins and waste products from the body. The vascular endothelial cells of the glomerulus are fenestrated, flattened and are surrounded by podocytes, specialized cells that support the glomerular endothelial cells. Mucin-type core 1-derived O-glycans are highly expressed on both glomerular capillary endothelial cells and their supporting podocytes, but their biological role is unclear. Biosynthesis of core 1-derived O-glycans is catalyzed by the glycosyltransferase C1galt1...
August 25, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28840938/loss-of-hdac3-in-osteoprogenitors-increases-bone-expression-of-osteoprotegerin-improving-systemic-insulin-sensitivity
#10
Meghan E McGee-Lawrence, Jessica L Pierce, Kanglun Yu, Natasha R Culpepper, Elizabeth W Bradley, Jennifer J Westendorf
Type 2 diabetes is an emerging global health epidemic. Foundations for new therapies are arising from understanding interactions between body systems. Bone-derived factors that reduce RANKL (receptor activator of NF-kappa B ligand) signaling in the liver may prevent insulin resistance and the onset of type 2 diabetes. Here we demonstrate that deletion of the epigenetic regulator, Hdac3, in Osx1-expressing osteoprogenitors prevents insulin resistance induced by high fat diet by increasing serum and skeletal gene expression levels of osteoprotegerin (Opg), a natural inhibitor of RANKL signaling...
August 25, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28820972/fluorescent-pseudorotaxanes-of-a-quinodicarbocyanine-dye-with-gamma-cyclodextrin
#11
Olivia M Bernstein, Tiffany E McGee, Lisa E Silzel, John W Silzel
Spectrophotometric titration of buffered solutions of gamma cyclodextrin (γCD) and 1,1'-diethyl,2,2'-dicarbocyanine (DDI) demonstrates extension of the known 1:2 host:guest complex to form a previously unreported 2:2 complex near the γCD solubility limit. Though DDI is predominantly hosted as a non-fluorescent H-aggregate, both complexes exist in respective equilibria with two secondary complexes hosting unaggregated DDI as 1:1 and 2:1 complexes. The 2:1 complex exhibits significant fluorescence emission, with a quantum yield six times that of DDI in organic solvents, but ten times lower than that of an analogous indodicarbocyanine...
August 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28818574/antimicrobial-resistance-determinants-and-susceptibility-profiles-of-pneumococcal-isolates-recovered-in-trinidad-and-tobago
#12
Paulina A Hawkins, Patrick E Akpaka, Michele Nurse-Lucas, Rebecca Gladstone, Stephen D Bentley, Robert F Breiman, Lesley McGee, William H Swanston
INTRODUCTION: In Latin America and the Caribbean, pneumococcal infections were estimated to account for 12,000-18,000 deaths, 327,000 cases of pneumonia, 4,000 cases of meningitis and 1,229 cases of sepsis each year in children under five years old. Resistance of pneumococci to antimicrobial agents has evolved into a worldwide health problem in the last few decades. OBJECTIVE: The aim of this study was to determine the antimicrobial susceptibility profiles of 98 pneumococcal isolates collected in Trinidad and Tobago and associated genetic determinants...
August 14, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28811183/deletion-of-protein-kinase-d1-in-osteoprogenitor-cells-results-in-decreased-osteogenesis-in%C3%A2-vitro-and-reduced-bone-mineral-density-in%C3%A2-vivo
#13
Wendy B Bollag, Vivek Choudhary, Qing Zhong, Ke-Hong Ding, Jianrui Xu, Ranya Elsayed, Kanglun Yu, Yun Su, Lakiea J Bailey, Xing-Ming Shi, Mohammed Elsalanty, Maribeth H Johnson, Meghan E McGee-Lawrence, Carlos M Isales
Protein kinase D1 (PRKD1) is thought to play a role in a number of cellular functions, including proliferation and differentiation. We hypothesized that PRKD1 in bone marrow-derived mesenchymal stem cells (BMMSC) could modulate osteogenesis. In BMMSCs from floxed PRKD1 mice, PRKD1 ablation with adenovirus-mediated Cre-recombinase expression inhibited BMMSC differentiation in vitro. In 3- and 6-month-old conditional knockout mice (cKO), in which PRKD1 was ablated in osteoprogenitor cells by osterix promoter-driven Cre-recombinase, bone mineral density (BMD) was significantly reduced compared with floxed control littermates...
August 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28810827/validation-of-%C3%AE-lactam-minimum-inhibitory-concentration-predictions-for-pneumococcal-isolates-with-newly-encountered-penicillin-binding-protein-pbp-sequences
#14
Yuan Li, Benjamin J Metcalf, Sopio Chochua, Zhongya Li, Robert E Gertz, Hollis Walker, Paulina A Hawkins, Theresa Tran, Lesley McGee, Bernard W Beall
BACKGROUND: Genomic sequence-based deduction of antibiotic minimum inhibitory concentration (MIC) has great potential to enhance the speed and sensitivity of antimicrobial susceptibility testing. We previously developed a penicillin-binding protein (PBP) typing system and two methods (Random Forest (RF) and Mode MIC (MM)) that accurately predicted β-lactam MICs for pneumococcal isolates carrying a characterized PBP sequence type (phenotypic β-lactam MICs known for at least one isolate of this PBP type)...
August 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28807597/reference-values-of-intrinsic-muscle-strength-of-the-hand-of-adolescents-and-young-adults
#15
Chao-Ying Chen, Corey W McGee, Tonya L Rich, Cecília N Prudente, Bernadette T Gillick
STUDY DESIGN: A cross-sectional clinical measurement study. INTRODUCTION: Measuring intrinsic hand muscle strength helps evaluate hand function or therapeutic outcomes. However, there are no established normative values in adolescents and young adults between 13 and 20 years of age. PURPOSE OF THE STUDY: To measure hand intrinsic muscle strength and identify associated factors that may influence such in adolescents and young adults through use of the Rotterdam intrinsic hand myometer...
August 11, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28804620/stress-and-immunological-response-of-heifers-divergently-ranked-for-residual-feed-intake-following-an-adrenocorticotropic-hormone-challenge
#16
A K Kelly, P Lawrence, B Earley, D A Kenny, M McGee
BACKGROUND: When an animal is exposed to a stressor, metabolic rate, energy consumption and utilisation increase primarily through activation of the hypothalamic-pituitary-adrenal (HPA) axis. Changes to partitioning of energy by an animal are likely to influence the efficiency with which it is utilised. Therefore, this study aimed to determine the physiological stress response to an exogenous adrenocorticotropic hormone (ACTH) challenge in beef heifers divergently ranked on phenotypic residual feed intake (RFI)...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28803801/st-elevation-myocardial-infarction-in-patients-with-anomalous-left-main-coronary-artery-case-series-and-review-of-the-literature
#17
REVIEW
Nicholas J Whitehead, Allan J Davies, Michael McGee, Nicholas J Collins
Anomalous left main coronary artery is rare. We present four cases where anomalous left main coronary artery was diagnosed during emergent cardiac catheterization for ST elevation myocardial infarction. Procedural characteristics, technical challenges, and relevant literature are discussed.
July 14, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28801220/multiple-reflex-pathways-contribute-to-bladder-activation-by-intraurethral-stimulation-in-persons-with-spinal-cord-injury
#18
Meredith J McGee, Brandon D Swan, Zachary C Danziger, Cindy L Amundsen, Warren M Grill
OBJECTIVE: To measure the urodynamic effects of electrical co-stimulation of 2 individual sites in the proximal and distal urethra in persons with spinal cord injury (SCI). This work was motivated by preclinical findings that selective co-stimulation of the cranial urethral sensory nerve and the dorsal genital nerve, which innervate the proximal and distal portions of the urethra, respectively, increased reflex bladder activation and voiding efficiency. MATERIALS AND METHODS: Electrical co-stimulation of urethral afferents was conducted in persons with chronic SCI during urodynamics...
August 8, 2017: Urology
https://www.readbyqxmd.com/read/28800940/neoadjuvant-chemotherapy-and-chemotherapy-cycle-number-a-national-multicentre-study
#19
Alon D Altman, Jacob McGee, Taymaa May, Kelly Lane, Lin Lu, Wei Xu, Prafull Ghatage, Barry Rosen
OBJECTIVES: Six cycles of consolidation chemotherapy have become the standard for ovarian cancer treatment regimen following primary cytoreduction, yet with neoadjuvant chemotherapy (NAC), only 3 consolidation cycles are used. This study examines the effects of number of chemotherapy cycles in women with ovarian cancer that are being treated with neoadjuvant chemotherapy. In addition, we examined the effect of number of cycles on survival on consolidation and total chemotherapy. METHODS: All patients with stage IIIC and IV high grade serous carcinoma (HGSC) were identified at 4 major Canadian cancer centers treated with NAC...
August 8, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28800091/inverse-associations-between-a-locally-validated-mediterranean-diet-index-overweight-obesity-and-metabolic-syndrome-in-chilean-adults
#20
Guadalupe Echeverría, Emma E McGee, Inés Urquiaga, Paulina Jiménez, Sonia D'Acuña, Luis Villarroel, Nicolás Velasco, Federico Leighton, Attilio Rigotti
Obesity and metabolic syndrome (MetS) are key risk factors for chronic disease. Dietary patterns are critical in the incidence and persistence of obesity and MetS, yet there is few data linking diet to obesity and MetS in Chile. Our objective was to use a locally validated diet index to evaluate adherence to a Mediterranean dietary pattern and its correlations with overweight/obesity (OW/O) and MetS prevalence in Chilean adults. We conducted a nationwide, cross-sectional online survey of Chilean adults with complete self-reported diet and body mass index data (n = 24,882)...
August 11, 2017: Nutrients
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