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https://www.readbyqxmd.com/read/28340503/risk-factors-for-lymph-node-metastases-in-women-with-endometrial-cancer-a-population-based-nation-wide-register-study-on-behalf-of-the-swedish-gynecological-cancer-group-swegcg
#1
K Stålberg, P Kjølhede, M Bjurberg, C Borgfeldt, P Dahm-Kähler, H Falconer, E Holmberg, C Staf, B Tholander, E Åvall-Lundqvist, P Rosenberg, T Högberg
The role of lymphadenectomy in the management of early endometrial cancer is still controversial. In the recent ESMO-ESGO-ESTRO guidelines, lymphadenectomy is recommended for patients with endometrioid adenocarcinoma grade 3 with deep myometrial invasion, but complete agreement was not achieved. In Sweden, DNA aneuploidy has been included as a high-risk factor. The aim of our study was to evaluate the impact of tumor histology, FIGO grade, DNA ploidy and myometrial invasion (MI) on occurrence of lymph node metastasis (LNM) in patients with endometrial cancer...
March 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28340480/using-uhplc-q-trap-ms-as-a-complementary-technique-to-in-depth-mine-uplc-q-tof-ms-data-for-identifying-modified-nucleosides-in-urine
#2
Zhiwei Lu, Qing Wang, Meiling Wang, Shuang Fu, Qingqing Zhang, Zhixin Zhang, Huizhen Zhao, Yuehong Liu, Zhenhai Huang, Ziye Xie, Honghong Yu, Xiaoyan Gao
Modified nucleosides, metabolites of RNA, are potential biomarkers of cancer before the appearance of morphological abnormalities. It is of great significance to comprehensively detect and identify nucleosides in human urine for discovery of cancer biomarkers. However, the lower abundance, the greater polarity and the matrix effects make it difficult to detect urinary nucleosides. In this paper, an integrated method consisted of sample preparation followed by ultraperformance liquid chromatography quadrupole time-of-flight mass spectrometry (UPLC Q-TOF/MS) detection and primary identification, then ultra-high performance liquid chromatography coupled with hybrid triple quadrupole linear ion trap mass spectrometer (UHPLC Q-Trap/MS) further identification and validation were introduced...
March 12, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28340398/proteomics-analysis-of-maize-zea-mays-l-grain-based-on-itraq-reveals-molecular-mechanisms-of-poor-grain-filling-in-inferior-grains
#3
Tao Yu, Geng Li, Peng Liu, Shuting Dong, Jiwang Zhang, Bin Zhao
In maize, inferior grains (IG) located on the upper part of the ear have poor grain filling process compared to superior grains (SG) located on the middle and lower parts of the ear. This difference limits satisfactory yield and quality; however, the underlying molecular mechanisms remain unknown. Here, using the isobaric tag for relative and absolute quantification (iTRAQ) technology, the proteomes of IG and SG during early and middle grain filling stages were investigated. In total, 4720 proteins were identified in maize grain and 305 differentially accumulated proteins (DiAPs) were detected between IG and SG...
March 11, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28340393/when-public-health-intervention-is-not-successful-cost-sharing-crowd-out-and-selection-in-korea-s-national-cancer-screening-program
#4
Hyuncheol Bryant Kim, Sun-Mi Lee
This study investigates the impact of and behavioral responses to cost sharing in Korea's National Cancer Screening Program, which provides free stomach and breast cancer screenings to those with an income below a certain cutoff. Free cancer screening substantially increases the screening take up rate, yielding more cancer detections. However, the increase in cancer detection is quickly crowded out by cancer detection through other channels such as diagnostic testing and private cancer screening. Further, compliers are much less likely to have cancer than never takers...
March 6, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28340378/current-fda-approved-treatments-for-non-small-cell-lung-cancer-and-potential-biomarkers-for-its-detection
#5
REVIEW
Karla A Ruiz-Ceja, Yolanda I Chirino
BACKGROUND: Lung cancer is the leading worldwide cancer with almost 1.5 million deaths every year. Some drugs for lung cancer treatment have been available on the market for decades, but novel drugs have emerged promising better outcomes, especially for Non-Small Cell Lung Cancer (NSCLC), which represents 75% of lung cancer cases. However, how much do drugs have evolved for NSCLC treatment? Are they sharing the same mechanism of action? AIM: In this review we analyzed how the approved drugs by Federal Drug Agency for NSCLC have advanced in the last four decades identifying shared mechanism of action of medicines against NSCLC treatment and some of the potential biomarkers for early detection...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340283/comparative-analysis-of-pulmonary-hypertension-in-patients-treated-with-imatinib-nilotinib-and-dasatinib
#6
Mariko Minami, Takeshi Arita, Hiromi Iwasaki, Tsuyoshi Muta, Takatoshi Aoki, Kenichi Aoki, Satoshi Yamasaki, Takamitsu Matsushima, Koji Kato, Katsuto Takenaka, Kazuki Tanimoto, Tomohiko Kamimura, Ryosuke Ogawa, Koichi Akashi, Toshihiro Miyamoto
Pulmonary hypertension (PH) is a rare, but life-threatening, adverse event in patients treated with tyrosine kinase inhibitors (TKIs), such as dasatinib, but has not been fully evaluated in patients treated with imatinib or nilotinib. We used echocardiography to noninvasively assess the incidence of PH in 105 patients with chronic myeloid leukaemia (CML) treated with imatinib (n = 37), nilotinib (n = 30) or dasatinib (n = 38). The mean triscupid regurgitation peak gradient (TRPG), which reflects pulmonary arterial pressure, was 22·7 mmHg in the imatinib group, 23·1 mmHg in the nilotinib group and 23·4 mmHg for dasatinib group...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28340248/irradiation-of-red-blood-cells-and-alloimmunization
#7
Christopher A Tormey, Jeanne E Hendrickson
Background: Animal models suggest that red blood cell (RBC) damage incurred during storage can increase immunogenicity to some RBC antigens. We hypothesized that RBC irradiation, a source of oxidative damage, may result in higher RBC alloimmunization rates among transfusion recipients. Methods: Individuals receiving 1 or more gamma-irradiated RBC units, with follow-up antibody screening, were studied. We recorded diagnosis at the time of first irradiated RBC-unit transfusion, total irradiated RBCs received, and alloantibodies detected before and after irradiated RBC transfusion...
March 18, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28340235/polymerase-chain-reaction-human-papillomavirus-hpv-detection-and-hpv-genotyping-in-invasive-cervical-cancers-with-prior-negative-hc2-test-results
#8
Xiang Tao, Baowen Zheng, Fufen Yin, Zhengyu Zeng, Zaibo Li, Christopher C Griffith, Bing Luo, Xiangdong Ding, Xianrong Zhou, Chengquan Zhao
Objectives: Recently, three large Chinese cohort studies showed that 7.5% to 15.5% of patients with cervical carcinoma had negative high-risk human papillomavirus (hrHPV) test results on prior cytology specimens. These studies raise the question as to whether these negative hrHPV results represent truly hrHPV-negative carcinomas or false-negative hrHPV test results due to limitations in the testing of cytology specimens. This is increasingly an important question with increasing push to use hrHPV testing alone to screen for cervical cancer...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340215/development-of-enzyme-immunoassays-elisa-and-western-blot-for-the-serological-diagnosis-of-dermatophytosis-in-symptomatic-and-asymptomatic-cats
#9
Aline Elisa Santana, Carlos Pelleschi Taborda, Julia So Severo, Glauce Mary Gomes Rittner, Julian Esteban Muñoz, Carlos Eduardo Larsson, Carlos Eduardo Larsson
Dermatophytosis is the most common fungal infection in cats worldwide and plays an important role in both animal and human health due to their high zoonotic potential. Effective screening is a strong preventive measure and the fungal culture is quite useful but requires full laboratorial experience and it takes a long time to obtain the result. A rapid and accurate screening test for dermatophytosis in cats is crucial for the effective control of disease outbreaks. The aim of this study was to develop and evaluate the diagnostic efficacy of enzyme immunoassays (ELISA and Western blot [WB]) for the rapid and precise diagnosis of dermatophytosis in cats...
March 11, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28340175/funresdb-a-web-resource-for-genotypic-susceptibility-testing-of-aspergillus-fumigatus
#10
Michael Weber, Jonas Schaer, Grit Walther, Kerstin Kaerger, Jörg Steinmann, Peter-Michael Rath, Birgit Spiess, Dieter Buchheidt, Axel Hamprecht, Oliver Kurzai
Therapy of invasive aspergillosis is becoming more difficult due to the emergence of azole resistance in Aspergillus fumigatus. A majority of resistant strains carries mutations in the CYP51A gene. Due to a lack of sensitivity of culture-based methods, molecular detection of A. fumigatus has become an important diagnostic tool. We set up the database FunResDB (www.nrz-myk.de/funresdb) to gather all available information about CYP51A-dependent azole resistance from published literature. In summary, the screening resulted in 79 CYP51A variants, which are linked to 59 nonsynonymous mutations...
March 11, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28340139/assessment-of-acute-kidney-injury-in-rhabdomyolytic-mice-by-transcutaneous-measurement-of-sinistrin-excretion
#11
Aldo Moggio, Stefania Geraci, Alberto Boido, Carsten Sticht, Norbert Gretz, Benedetta Bussolati
Background: . Early and accurate assessment of renal function is required for the successful detection and treatment of acute kidney injury (AKI). However, only retention parameters such as plasma urea and creatinine, and the indirect estimation of glomerular filtration rate are commonly available. Methods.: Here, we measured the kinetics of plasma fluorescein isothiocyanate (FITC)-sinistrin excretion to detect alterations of renal function over time in a murine model of rhabdomyolysis-induced AKI...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339909/il-17-and-cd40-ligand-synergistically-stimulate-the-chronicity-of-diabetic-nephropathy
#12
Huey-Liang Kuo, Chiu-Ching Huang, Tze-Yi Lin, Ching-Yuang Lin
Background.: Early stages of diabetic nephropathy (DN) are characterized by an influx of inflammatory cells. Interactions between infiltrating T cells and podocytes may play an important role in the ongoing inflammatory response and remodelling. The aim of this study was to explore the role of IL-17 and CD40 ligand (CD40L) in DN. Methods.: The study design involved a case series. Kidney biopsy samples of 69 patients with type 2 diabetes were assessed for the presence of CD4 +  IL-17 +  T cells...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339789/early-treatment-gains-for-antibiotic-administration-and-within-human-host-time-series-data
#13
Todd R Young, Erik M Boczko
As technological improvements continue to infiltrate and impact medical practice, it has become possible to non-invasively collect dense physiological time series data from individual patients in real time. These advances continue to improve physicians' ability to detect and to treat infections early. One important benefit of early detection and treatment of nascent infections is that it leads to earlier resolution. In response to current and anticipated advances in data capture, we introduce the Early Treatment Gain (ETG) as a measure to quantify this benefit...
February 18, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/28339663/cardiac-involvement-in-granulomatosis-with-polyangiitis-a-magnetic-resonance-imaging-study-of-31-consecutive-patients
#14
Grégory Pugnet, Hervé Gouya, Xavier Puéchal, Benjamin Terrier, André Kahan, Paul Legmann, Loïc Guillevin, Olivier Vignaux
Objectives.: Specific cardiac involvement in granulomatosis with polyangiitis (GPA) is probably underestimated since many of these conditions are subclinical. The objective of this study was to assess the prevalence and patterns of cardiac abnormalities detected by cardiac MRI (CMRI) in patients with GPA. Methods.: Thirty-one consecutive patients with newly diagnosed or relapsing GPA underwent CMRI to assess morphological, functional, perfusion at rest and delayed enhancement abnormalities...
February 16, 2017: Rheumatology
https://www.readbyqxmd.com/read/28339658/acute-cell-volume-regulation-by-janus-kinase-2-mediated-sodium-hydrogen-exchange-activation-develops-at-the-late-one-cell-stage-in-mouse-preimplantation-embryos%C3%A2
#15
Baozeng Xu, Chenxi Zhou, Megan Meredith, Jay M Baltz
Early preimplantation embryos are extremely sensitive to dysregulation of cell volume, which can lead to developmental arrest. It was previously shown that mouse embryos at the two-cell stage respond to a cell volume decrease by quickly activating Na+/H+ exchange via a signaling mechanism that involves the tyrosine kinase Janus kinase 2 (JAK2). However, it was not known whether this mechanism is active at the one-cell stage, when embryos are most sensitive to perturbed cell volume. Na+/H+ exchanger activity elicited by an induced cell volume decrease was significantly lower at the mid one-cell stage than at the late one-cell stage or during the two-cell stage...
February 17, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339648/three-dimensional-testicular-organoid-a-novel-tool-for-the-study-of-human-spermatogenesis-and-gonadotoxicity-in-vitro%C3%A2
#16
Samuel S Pendergraft, Hooman Sadri-Ardekani, Anthony Atala, Colin E Bishop
Existing methods for evaluating the potential gonadotoxicity of environmental agents and pharmaceutical compounds rely heavily on animal studies. The current gold standard in vivo functional assays in animals are limited in their human predictive capacity. In addition, existing human two-dimensional in vitro models of testicular toxicity do not accurately reflect the in vivo situation. A more reliable testicular in vitro model system is needed to better assess the gonadotoxic potential of drugs prior to progression into clinical trials...
February 17, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339614/integrin-linked-kinase-regulates-syncytialization-of-bewo-trophoblast-cells%C3%A2
#17
Trina M Butler, Justin A Pater, Daniel J MacPhee
During placental development, mononuclear villous cytotrophoblast cells differentiate and fuse with the overlying syncytiotrophoblast. This process requires the dissolution of E-cadherin (CDH1)-containing adherens junctions in cytotrophoblast. Integrin linked kinase (ILK) can downregulate CDH1 through poly (ADP-ribose) polymerase 1 (PARP1) and Snail-1 (SNAI1) during epithelial-mesenchymal transition. ILK is known to be expressed in cytotrophoblast; thus, the role of a potential ILK-PARP1-SNAI1 pathway in aiding trophoblast syncytialization via the downregulation of CDH1 was examined...
January 27, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339607/gross-motor-trajectories-during-the-first-year-of-life-for-preterm-infants-with-very-low-birth-weight
#18
Yu-Han Su, Suh-Fang Jeng, Wu-Shiun Hsieh, Yu-Kang Tu, Yen-Tzu Wu, Li-Chiou Chen
Background.: Early identification of motor dysfunction in very-low-birth-weight (VLBW) preterm infants is important in order to provide early intervention. Objective.: This study was to examine the motor trajectories of VLBW preterm infants during their first year of life and to investigate the predictive ability and influencing factors of the trajectories. Design and Methods.: A total of 342 VLBW preterm infants were prospectively assessed for motor development by the Alberta Infant Motor Scales at 4, 6, 9 and 12 months and for developmental outcomes using the Bayley Scales of Infant and Toddler Development- second edition at 24 months...
February 4, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339458/rapid-surveillance-for-vector-presence-rsvp-development-of-a-novel-system-for-detecting-aedes-aegypti-and-aedes-albopictus
#19
Brian L Montgomery, Martin A Shivas, Sonja Hall-Mendelin, Jim Edwards, Nicholas A Hamilton, Cassie C Jansen, Jamie L McMahon, David Warrilow, Andrew F van den Hurk
BACKGROUND: The globally important Zika, dengue and chikungunya viruses are primarily transmitted by the invasive mosquitoes, Aedes aegypti and Aedes albopictus. In Australia, there is an increasing risk that these species may invade highly urbanized regions and trigger outbreaks. We describe the development of a Rapid Surveillance for Vector Presence (RSVP) system to expedite presence- absence surveys for both species. METHODOLOGY/PRINCIPAL FINDINGS: We developed a methodology that uses molecular assays to efficiently screen pooled ovitrap (egg trap) samples for traces of target species ribosomal RNA...
March 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28339422/diffusion-kurtosis-imaging-for-diagnosis-of-parkinson-s-disease-a-novel-software-tool-proposal
#20
Cruz Gloria, Sheng Dong Nie
In order to diagnose Parkinson disease (PD) at an early stage, it is important to develop a sensitive method for detecting structural changes in the substantia nigra (SN). Diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) have become important tools in supporting diagnosis of PD, with findings based on increased apparent diffusion coefficients (ADCs) in basal ganglia and decreased fractional anisotropy (FA) in SN. Based on the hypothesis that a diffusion kurtosis imaging (DKI) theory is a valuable method for PD diagnosis based on the non-Gaussian diffusion of water in biologic systems, the purpose of this study is to develop an image processing scheme (software) based on Image-J for the facilitating the application of DKI to assist PD diagnosis...
March 21, 2017: Journal of X-ray Science and Technology
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