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https://www.readbyqxmd.com/read/28822159/-effect-of-sodium-houttuyfonate-in-combination-with-erythromycin-on-luxs-agr-rna%C3%A2-of-staphylococus-epidermidis
#1
Gan-Fei Xu, Jing-Jing Wang, Da-Qiang Wu, Yan Guan
Quorum sensing of bacteria and its specific gene expression regulation have a very important role in bacterial biofilm formation. LuxS and agr are the key regulatory genes in quorum sensing of Staphylococcus epidermidis, and RNA Ⅲ is the effector molecule of agr system. In order to evaluate the effects of sodium houttuyfonate in combination with erythromycin on the transcription level of S. epidermidis, serial dilution method was used to determine the MIC of sodium houttuyfonate, erythromycin and vancomycin on S...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28821897/erratum-to-signal-intensity-at-unenhanced-t1-weighted-magnetic-resonance-in-the-globus-pallidus-and-dentate-nucleus-after-serial-administrations-of-a-macrocyclic-gadolinium-based-contrast-agent-in-children
#2
Maria Camilla Rossi Espagnet, Bruno Bernardi, Luca Pasquini, Lorenzo Figà-Talamanca, Paolo Tomà, Antonio Napolitano
No abstract text is available yet for this article.
August 18, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28821472/surgical-findings-and-outcomes-in-premenopausal-breast-cancer-patients-undergoing-oophorectomy-a-multicenter-review-from-the-fellows-pelvic-research-network
#3
Lara F B Harvey, Vandana G Abramson, Jimena Alvarez, Christopher Destephano, Hye-Chun Hur, Katherine Lee, Patricia Mattingly, Beau Park, Carolyn Piszczek, Farinaz Seifi, Mallory Stuparich, Amanda Yunker
STUDY OBJECTIVE: Since publication of the Suppression of Ovarian Function Trial (SOFT) data, some women with premenopausal breast cancer have been recommended to undergo bilateral oophorectomy to facilitate breast cancer treatment with aromatase inhibitors. These women may be at higher risk of occult abdominal pathology than the general population. Our objective is to describe the procedures performed, intra-abdominal findings, and surgical pathology of this population. DESIGN: Multi-center retrospective chart review...
August 15, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28820396/the-role-of-mtor-inhibitors-and-hmg-coa-reductase-inhibitors-on-young-and-old-endothelial-cell-functions-critical-for-re-endothelialisation-after-percutaneous-coronary-intervention-an-in-vitro-study
#4
K Korybalska, E Kawka, A Breborowicz, J Witowski
Percutaneous coronary intervention (PCI) has become a standard treatment in patients with acute coronary syndrome. However, it is associated with endothelial cell denudation, which may predispose to in-stent thrombosis and restenosis. Pharmacological methods which prevent restenosis can delay post-PCI re-endothelialisation. We have therefore examined how atorvastatin (HMG-CoA reductase inhibitor), sirolimus and everolimus (mTOR inhibitors) affect young and old endothelial cell functions which are responsible for wound healing after PCI...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820394/the-c-terminal-region-of-the-focal-adhesion-kinase-f1-domain-binds-akt1-and-inhibits-pressure-induced-cell-adhesion
#5
M D Basson, B Zeng, S Wang
Increased extracellular pressure or shear stress activate a complex signal pathway that stimulates integrin binding affinity and potentiates metastatic cell adhesion. Inhibiting either focal adhesion kinase (FAK) and Akt1 can block this pathway, but risks interfering with the diverse other functions of each kinase. However, the mechanotransduced signal pathway involves a novel Akt1-FAK interaction not required for most FAK or Akt1 function, so modeling and blocking this interaction seems a desirable target...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820387/infectious-polymorphic-toxins-delivered-by-outer-membrane-exchange-discriminate-kin-in-myxobacteria
#6
Christopher N Vassallo, Pengbo Cao, Austin Conklin, Hayley Finkelstein, Christopher S Hayes, Daniel Wall
Myxobacteria are known for complex social behaviors including outer membrane exchange (OME), in which cells exchange large amounts of outer membrane lipids and proteins upon contact. The TraA cell surface receptor selects OME partners based on a variable domain. However, traA polymorphism alone is not sufficient to precisely discriminate kin. Here, we report a novel family of OME-delivered toxins that promote kin discrimination of OME partners. These SitA lipoprotein toxins are polymorphic and widespread in myxobacteria...
August 18, 2017: ELife
https://www.readbyqxmd.com/read/28819985/prediction-of-labor-outcome-using-serial-transperineal-ultrasound-in-the-first-stage-of-labor
#7
Chung Ming Chor, Liona Chiu Yee Poon, Tak Yeung Leung
OBJECTIVE: To evaluate the feasibility of predicting labor outcome using serial transperineal ultrasound (TPU) in the early active phase of labor. METHODS: This is a single center prospective observational study in a tertiary obstetrics unit in Hong Kong. Nulliparous women carrying singleton pregnancy at the onset of active phase of labor were recruited. Serial 3D volumes by TPU were acquired and then repeated after 1 and 2 hours, which were subsequently analyzed for fetal head symphyseal distance (HSD), angle of progression (AoP) and fetal head progression distance (PD)...
August 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28819859/utilizing-matrigel-transwell-invasion-assay-to-detect-and-enumerate-circulating-tumor-cells
#8
Xingtong Liu, Xiangwei Wu
Metastasis is the cause of 90% of human cancer deaths. Circulating tumor cells (CTCs) in the peripheral blood and/or lymphatic vessels are cells shed from primary tumors and considered to be precursors of metastasis. Study of CTCs allows the serial monitoring of tumor progression and may provide predictive and prognostic biomarkers in clinic. Current CTC isolation and detection technologies encounter several challenges, including: heterogeneity of CTCs, low cell viability and/or high rate of contamination post-isolation, and the inability to distinguish viable/invasive from nonviable/nonfunctional CTCs, all of which can limit in vitro and in vivo characterization of CTCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28819093/non-seminomatous-germ-cell-tumor-presenting-with-superior-vena-cava-syndrome
#9
Paolo K Soriano, Muhammad F Iqbal, Omar M Siddiqui, Jeff F Wang, Meghna R Desai
BACKGROUND Primary mediastinal non-seminomatous germ cell tumors (NSGCTs) are aggressive and carry a poor five-year disease free survival rate even with aggressive treatment. We describe a young adult male with primary mediastinal NSGCT presenting with airway obstruction and superior vena cava syndrome (SVCS). CASE REPORT The patient presented with four weeks of nonproductive cough, weight loss, and right-sided pleuritic chest pain. Chest computed topography (CT) imaging demonstrated a right-sided mediastinal mass determined as a yolk sac tumor on biopsy...
August 18, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28818830/high-speed-melting-analysis-the-effect-of-melting-rate-on-small-amplicon-microfluidic-genotyping
#10
Robert J Pryor, Joseph T Myrick, Robert A Palais, Scott O Sundberg, Jeanette Y Paek, Carl T Wittwer, Ivor T Knight
BACKGROUND: High-resolution DNA melting analysis of small amplicons is a simple and inexpensive technique for genotyping. Microfluidics allows precise and rapid control of temperature during melting. METHODS: Using a microfluidic platform for serial PCR and melting analysis, 4 targets containing single nucleotide variants were amplified and then melted at different rates over a 250-fold range from 0.13 to 32ü°C/s. Genotypes (n = 1728) were determined manually by visual inspection after background removal, normalization, and conversion to negative derivative plots...
August 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28818788/does-the-work-environment-matter-sexual-objectification-and-waitresses-body-dissatisfaction
#11
Dawn M Szymanski, Renee Mikorski
We investigated the relations between working in sexually objectifying restaurant environments and body dissatisfaction in a sample of 252 United States waitresses. Supporting our hypotheses, results indicated that working in sexually objectifying restaurant environments was positively correlated with waitresses' body dissatisfaction. Our findings also supported a theorized serial three-chain mediation model in which working in sexually objectifying restaurant environments was related to body dissatisfaction through more thin ideal internalization and greater self-objectification/body surveillance...
August 14, 2017: Body Image
https://www.readbyqxmd.com/read/28818609/multicenter-comparison-of-22c3-pharmdx-agilent-and-sp263-ventana-assays-to-test-pd-l1-expression-for-nsclc-patients-to-be-treated-with-immune-checkpoint-inhibitors
#12
Antonio Marchetti, Massimo Barberis, Renato Franco, Graziano De Luca, Maria Vittoria Pace, Stefania Staibano, Marco Volante, Fiamma Buttitta, Elena Guerini-Rocco, Luisella Righi, Tommaso D'antuono, Giorgio V Scagliotti, Carmine Pinto, Gaetano De Rosa, Mauro Papotti
INTRODUCTION: Among the several agents targeting the programmed cell death 1 (PD-1) pathway, pembrolizumab is currently the only one approved for the treatment of non-small cell lung cancer patients in association with a companion diagnostic assay, the anti-programmed cell death ligand 1 (PD-L1) immunohistochemical (IHC) 22C3 PharmDx (Agilent) using the Dako Autostainer. However, the Dako platform is not present in each pathology department and this technical limitation is a major problem for the diffusion of the PD-L1 IHC predictive test for pembrolizumab...
August 14, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28818583/timing-of-fertile-period-for-successful-pregnancy-in-american-bully-dogs
#13
Sang-Eun Hahn, Young-Kwang Jo, Yun-Kyong Jin, Goo Jang
Determination of the timing of the estrus cycle is essential for fertile mating. There are physiological variations among breeds, between bitches, and between cycles of the same bitch. If serial monitoring and many tools are applied, the exact moment of ovulation could be pin-pointed. However, it leads to time and costly difficulties. Progesterone concentrations during estrus cycles follow a specific pattern, and it is largely used in timing of fertile period. Although it has similar pattern in general, it is likely that breed-specific differences exist...
July 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/28818408/serial-assessment-of-natriuretic-peptides-in-patients-undergoing-interventional-closure-of-the-left-atrial-appendage
#14
Blerim Luani, Thomas Rauwolf, Thomas Groscheck, Ivan Tanev, Joerg Herold, Berend Isermann, Alexander Schmeisser, Rüdiger C Braun-Dullaeus
BACKGROUND: Closure of the left atrial appendage (LAA) to prevent cardioembolic events is an alternative therapy to oral anticoagulation in patients with non-valvular atrial fibrillation. The LAA is an important source of natriuretic peptides and its exclusion from the circulation may alter the blood level of these hormones, thereby influencing their diagnostic value and clinical effects. METHODS: We aimed to prospectively assess potential changes in mid-regional pro A-type natriuretic peptide (MR-proANP) and N-terminal pro B-type natriuretic peptide (NT-proBNP) levels six weeks and six months after interventional LAA closure using the Watchman device...
August 1, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28817766/characteristics-and-risk-factors-for-negative-academic-events-a-27-year-serial-prevalence-study-of-9-7-million-japanese-college-students
#15
Chiyoko Uchida, Mai Uchida
Objective: To examine the prevalence of and the factors contributing to leaves of absence and school discontinuation in Japanese college students over a 27-year period. Trends in these academic events over time were assessed, and students at elevated risk and psychosocial difficulties in need of supportive intervention were identified. Methods: Surveys were collected from the majority of Japanese national universities between 1985 and 2012, yielding data on a total of 9...
August 10, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28817198/valuable-antibody-detection-method-for-classifying-hepatitis-e-virus-genotypes
#16
Chenyan Zhao, Yansheng Geng, Weijing Huang, Hongxia Ma, Youchun Wang
Nucleotide-based methods are conventionally used to classify the hepatitis E virus (HEV) genotypes. A serological enzyme immunoassay (EIA) using open reading frame 3 (ORF3) C-terminal peptides was developed to conveniently and accurately classify and evaluate the genotypes of HEV. The sera of mice immunized with HEV genotype 1, 3 and 4 reacted highly specifically to the peptides of the corresponding genotypes. Most (84.2%) clinical sera infected with HEV genotype 4 were positive for anti-HEV antibodies when tested with the ORF3 peptides of genotype 4, but were negative for genotypes 1 and 3...
August 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28816971/combining-of-serial-embolization-and-denosumab-for-large-sacropelvic-giant-cell-tumor-case-report-of-3-cases
#17
Tao Ji, Yi Yang, Yifei Wang, Kunkun Sun, Wei Guo
RATIONALE: Both serial arterial embolization (SAE) and denosumab have been proved to be effective in treatment for giant cell tumor (GCT). There is potential synergic effect of combining two methods. The purpose of current study is to justify a new treatment strategy of combination of SAE and denosumab as neoadjuvant or stand-alone treatment for large sacropelvic giant cell tumor. PATIENT CONCERNS: Pelvic and sacral GCTs tend to be very large size and vascular. The concerns of surgical treatment were invasiveness of extensive surgery, intraoperative hemorrhage, nerve function jeopardized and local recurrence...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28815760/impact-microindentation-consistency-of-serial-measurements-and-alterations-in-patients-with-paget-s-disease-of-the-tibia
#18
Frank Malgo, Neveen A T Hamdy, Socrates E Papapoulos, Natasha M Appelman-Dijkstra
Impact microindentation is a new technique for the in vivo measurement of tissue-level properties of cortical bone in humans. To address issues related to the proper application of IMI in clinical practice and to directly examine cortical bone properties in patients with tibia pathology, we studied 11 subjects without tibia pathology and 9 patients with Paget's disease of the tibia in biochemical remission after bisphosphonate treatment. Serial indentations in the tibiae of both legs were performed in all subjects by a single operator until 10 adequate measurements were obtained in each tibia...
August 16, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28815639/safety-tolerability-and-pharmacokinetic-characteristics-of%C3%A2-a-novel-nonopioid-analgesic-vvz-149-injections-in-healthy-volunteers-a-first-in-class-first-in-human-study
#19
Jaeseong Oh, SeungHwan Lee, Anhye Kim, Jangsoo Yoon, Kyungho Jang, Doo H Lee, Sunyoung Cho, Sang Rim Lee, Kyung-Sang Yu, Jae-Yong Chung
VVZ-149, a dual antagonist of GlyT2 and 5HT2 A receptors, is an investigational analgesic with a novel mechanism of action that is currently under early-stage clinical development as an injectable agent for the treatment of postoperative pain. Here, the safety, tolerability, and pharmacokinetics of VVZ-149 injections in healthy male volunteers were explored in a randomized, double-blind, single- and multiple-ascending-dose (SAD and MAD, respectively), placebo-controlled clinical study. Subjects randomly received a 4-hour intravenous infusion of 0...
August 16, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28815546/clusters-of-week-specific-maternal-gestational-weight-gain-pattern-and-their-association-with-birthweight-an-observational-cohort-study
#20
Huan Liang, Chuanmin Yin, Xinran Dong, Ganesh Acharya, Xiaotian Li
INTRODUCTION: Gestational weight gain (GWG) varies widely among different populations, and an inappropriate GWG is associated with adverse pregnancy outcomes. We aimed to investigate week-specific serial changes in GWG in an urban Chinese population to derive clusters of GWG pattern and explore the impact of GWG patterns on birthweight. MATERIAL AND METHODS: This was an observational cohort study of 6130 women delivered at a university hospital in Shanghai, China...
August 16, 2017: Acta Obstetricia et Gynecologica Scandinavica
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