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https://www.readbyqxmd.com/read/28806703/nox4-mediated-ros-production-induces-apoptotic-cell-death-via-down-regulation-of-c-flip-and-mcl-1-expression-in-combined-treatment-with-thioridazine-and-curcumin
#1
Seung Un Seo, Tae Hwan Kim, Dong Eun Kim, Kyoung-Jin Min, Taeg Kyu Kwon
Thioridazine is known to have anti-tumor effects by inhibiting PI3K/Akt signaling, which is an important signaling pathway in cell survival. However, thioridazine alone does not induce apoptosis in head and neck squamous cell carcinoma (AMC-HN4), human breast carcinoma (MDA-MB231), and human glioma (U87MG) cells. Therefore, we investigated whether combined treatment with thioridazine and curcumin induces apoptosis. Combined treatment with thioridazine and curcumin markedly induced apoptosis in cancer cells without inducing apoptosis in human normal mesangial cells and human normal umbilical vein cells (EA...
August 9, 2017: Redox Biology
https://www.readbyqxmd.com/read/28797330/evolving-beta-lactamase-epidemiology-in-enterobacteriaceae-from-italian-nationwide-surveillance-october-2013-kpc-carbapenemase-spreading-among-outpatients
#2
Tommaso Giani, Alberto Antonelli, Mariasofia Caltagirone, Carola Mauri, Jessica Nicchi, Fabio Arena, Elisabetta Nucleo, Silvia Bracco, Annalisa Pantosti, Francesco Luzzaro, Laura Pagani, Gian Maria Rossolini
Extended-spectrum beta-lactamases (ESBLs), AmpC-type beta-lactamases (ACBLs) and carbapenemases are among the most important resistance mechanisms in Enterobacteriaceae. This study investigated the presence of these resistance mechanisms in consecutive non-replicate isolates of Escherichia coli (n = 2,352), Klebsiella pneumoniae (n = 697), and Proteus mirabilis (n = 275) from an Italian nationwide cross-sectional survey carried out in October 2013. Overall, 15.3% of isolates were non-susceptible to extended-spectrum cephalosporins but susceptible to carbapenems (ESCR-carbaS), while 4...
August 3, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28796804/adaptive-mcs-selection-and-resource-planning-for-energy-efficient-communication-in-lte-m-based-iot-sensing-platform
#3
Nhu-Ngoc Dao, Minho Park, Joongheon Kim, Sungrae Cho
As an important part of IoTization trends, wireless sensing technologies have been involved in many fields of human life. In cellular network evolution, the long term evolution advanced (LTE-A) networks including machine-type communication (MTC) features (named LTE-M) provide a promising infrastructure for a proliferation of Internet of things (IoT) sensing platform. However, LTE-M may not be optimally exploited for directly supporting such low-data-rate devices in terms of energy efficiency since it depends on core technologies of LTE that are originally designed for high-data-rate services...
2017: PloS One
https://www.readbyqxmd.com/read/28773039/effect-of-carbon-in-fabrication-al-sic-nanocomposites-for-tribological-application
#4
Bartosz Hekner, Jerzy Myalski, Tomasz Pawlik, Małgorzata Sopicka-Lizer
Aluminium-based hybrid composites are a new class of advanced materials with the potential of satisfying the demands in engineering applications. This paper describes the effects of carbon addition on the formation and properties of AMC with SiC nanoparticles reinforcement. The composites were produced via mechanical alloying followed by hot pressing. Three forms of carbon, graphite (GR), multiwalled carbon nanotubes (CNTs), and, for the first time, glassy carbon (GC), were used for the hybrid composites manufacturing and compared with tribological properties of Al-SiC composite without carbon addition...
June 21, 2017: Materials
https://www.readbyqxmd.com/read/28763347/ex-vivo-induction-of-multiple-myeloma-specific-immune-responses-by-monocyte-derived-dendritic-cells-following-stimulation-by-whole-tumor-antigen-of-autologous-myeloma-cells
#5
Spyridoula Vasileiou, Ioannis Baltadakis, Sosanna Delimpasi, Maria-Helena Karatza, Konstantinos Liapis, Maria Garofalaki, Eirini Tziotziou, Zoe Poulopoulou, Dimitri Karakasis, Nicholas Harhalakis
The introduction of novel agents has significantly expanded treatment options for multiple myeloma (MM), albeit long-term disease control cannot be achieved in the majority of patients. Vaccination with MM antigen-loaded dendritic cells (DCs) represents an alternative strategy that is currently being explored. The aim of this study was to assess the immunogenic potential of ex vivo-generated monocyte-derived DCs (moDCs), following stimulation with the whole-antigen array of autologous myeloma cells (AMC). MoDCs were loaded with antigens of myeloma cells by 2 different methods: phagocytosis of apoptotic bodies from γ-irradiated AMC, or transfection with AMC total RNA by square-wave electroporation...
July 31, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28760128/analysis-of-musculoskeletal-dysmorphic-abnormalities-of-20-fetuses
#6
Mehmet Nuri Konya, Muhsin Elmas, Çiğdem Özdemir
OBJECTIVES: This study aims to report rates of skeletal abnormalities and their risk factors in light of information obtained in a fetal autopsy series. PATIENTS AND METHODS: The study included 20 fetuses (11 males, 8 females and 1 ambiguous genitalia; mean age 19.3±4.0 weeks; range 16 to 32 week) who underwent autopsy in our hospital between January 2013 and March 2015. Fetuses were systematically classified according to age, gender, family history, abortus week, abortus type, and extremity and organ abnormalities...
August 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28757091/advances-in-methods-for-characterization-of-hepatic-urea-cycle-enzymatic-activity-in-heparg-cells-using-uplc-ms-ms
#7
M F Moedas, A A A Adam, M A Farelo, L IJlst, R A F M Chamuleau, R Hoekstra, R J A Wanders, M F B Silva
Current methodologies for the assessment of urea cycle (UC) enzymatic activity are insufficient to accurately evaluate this pathway in biological specimens where lower UC is expected. Liver cell lines, including HepaRG, have been described to have limited nitrogen fixation through the UC, limiting their applicability as biocomponents for Bioartificial Livers (BAL). This work aims to develop novel and sensitive analytical solutions using Mass Spectrometry-based methodology to measure the activity of four UC enzymes in human liver and HepaRG cells...
July 27, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28752033/3-5-bis-arylidene-4-piperidones-as-potential-dengue-protease-inhibitors
#8
Hasnah Osman, Nor Hashima Idris, Ezatul Ezleen Kamarulzaman, Habibah A Wahab, Mohd Zaheen Hassan
Dengue is a severe mosquito-borne viral infection causing half a million deaths annually. Dengue virus NS2B/NS3 protease is a validated target for anti-dengue drug design. A series of hitherto unreported 3,5-bis(arylidene)-4-piperidones analogues 4a-4j were synthesized and screened in silico against DENV2 NS2B/NS3 protease to elucidate their binding mechanism and orientation around the active sites. Results were validated through an in vitro DENV2 NS2B/NS3 protease assay using a fluorogenic Boc-Gly-Arg-Arg-AMC substrate...
July 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28749131/lysine-deacetylases-exhibit-distinct-changes-in-activity-profiles-due-to-fluorophore-conjugation-of-substrates
#9
Tasha B Toro, Jenae R Bryant, Terry J Watt
Lysine deacetylases (KDACs) are enzymes that reverse the post-translational modification of lysine acetylation. Thousands of potential substrates, acetylated protein sequences, have been identified in mammalian cells. Properly regulated acetylation and deacetylation have been linked to many biological processes, while aberrant KDAC activity has also been linked to numerous diseases. Commercially available peptide substrates that are conjugated to fluorescent dye molecules, such as 7-amino-4-methylcoumarin (AMC), are commonly used to monitor deacetylation in studies addressing both substrate specificity and small molecule modulators of activity...
August 16, 2017: Biochemistry
https://www.readbyqxmd.com/read/28746070/what-the-nonteaching-service-can-teach-us
#10
Allen B Repp, Jason C Bartsch, Mark E Pasanen
"Teaching" services usually incorporate a cadre of learners such as resident physicians and medical students as part of the care team, led by a faculty physician. "Nonteaching" services, in contrast, are usually defined by the absence of resident physicians on the care team. The care for patients on a nonteaching service is frequently managed directly by a faculty or nonfaculty physician. Nonteaching services have grown in number and size at academic medical centers (AMCs) in response to regulatory requirements, operational demands, and efforts to improve clinical education...
July 25, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28745778/conversion-of-provider-emr-training-from-instructor-led-training-to-elearning-at-an-academic-medical-center
#11
Karen Sharp, Michele Williams, Alison Aldrich, Adrienne Bogacz, Sighle Denier, Ann S McAlearney
This case study overviews the conversion of provider training of the electronic medical record (EMR) from an instructor-led training (ILT) program to eLearning at an Academic Medical Center (AMC). This conversion provided us with both a useful training tool and the opportunity to maximize efficiency within both our training and optimization team and organization. eLearning Development Principles were created and served as a guide to assist us with designing an eLearning curriculum using a five step process...
July 26, 2017: Applied Clinical Informatics
https://www.readbyqxmd.com/read/28740104/host-seeking-parasitic-nematodes-use-specific-odors-to-assess-host-resources
#12
Tiffany Baiocchi, Grant Lee, Dong-Hwan Choe, Adler R Dillman
Entomopathogenic nematodes (EPNs) are insect parasites used as biological control agents. Free-living infective juveniles (IJs) of EPNs employ host-seeking behaviors to locate suitable hosts for infection. We found that EPNs can differentiate between naïve and infected hosts, and that host attractiveness changes over time in a species-specific manner. We used solid-phase microextraction and gas chromatography/mass spectrometry to identify volatile chemical cues that may relay information about a potential host's infection status and resource availability...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733740/laparoscopic-splenopexy-for-wandering-spleen-a-video-demonstration-of-technique-by-encircling-the-spleen-with-polyglactin-910-woven-mesh
#13
Sheridan Morgan, Ian Glenn, Oliver Soldes
BACKGROUND: Wandering spleen is a rare clinical entity caused by absence of the spleen's peritoneal attachments, allowing the spleen to move freely within the peritoneal cavity [1]. This disease is most commonly seen in children and young women [1, 2]. Affected individuals are predisposed to complications including splenic torsion, splenic infarction, and pancreatic necrosis [3, 4]. Patients may present with constipation, an abdominal mass, swelling, or acute abdominal pain if splenic torsion has occurred [4]...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28727223/effect-of-abacus-training-on-executive-function-development-and-underlying-neural-correlates-in-chinese-children
#14
Chunjie Wang, Jian Weng, Yuan Yao, Shanshan Dong, Yuqiu Liu, Feiyan Chen
Executive function (EF) refers to a set of cognitive abilities involved in self-regulated behavior. Given the critical role of EF in cognition, strategies for improving EF have attracted intensive attention in recent years. Previous studies have explored the effects of abacus-based mental calculation (AMC) training on several cognitive abilities. However, it remains unclear whether AMC training affects EF and its neural correlates. In this study, participants were randomly assigned to AMC or control groups upon starting primary school...
July 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28726978/analysis-of-the-substrate-specificity-of-factor-vii-activating-protease-fsap-and-design-of-specific-and-sensitive-peptide-substrates
#15
Emrah Kara, Dipankar Manna, Geir Åge Løset, Eric L Schneider, Charles S Craik, Sandip Kanse
Factor VII (FVII) activating protease (FSAP) is a circulating serine protease that is likely to be involved in a number of disease conditions such as stroke, atherosclerosis, liver fibrosis, thrombosis and cancer. To date, no systematic information is available about the substrate specificity of FSAP. Applying phage display and positional scanning substrate combinatorial library (PS-SCL) approaches we have characterised the specificity of FSAP towards small peptides. Results were evaluated in the context of known protein substrates as well as molecular modelling of the peptides in the active site of FSAP...
July 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28716427/influence-of-l-dopa-on-subtle-motor-signs-in-heterozygous-parkin-and-pink1-mutation-carriers
#16
Anne Weissbach, Inke R König, Katja Hückelheim, Peter P Pramstaller, Elisa Werner, Norbert Brüggemann, Vera Tadic, Katja Lohmann, Tobias Bäumer, Alexander Münchau, Meike Kasten, Christine Klein
INTRODUCTION: A latent nigrostriatal deficit and its possible clinical consequences in asymptomatic heterozygous Parkin and PINK1 mutation carriers (AMC) have been a matter of investigation in recent years. Notably, mild Parkinsonian signs in heterozygous mutation carriers can be so subtle that they may be missed if not specifically investigated. METHODS: We studied 15 heterozygous Parkin and PINK1 AMC and 18 age- and sex-matched mutation-negative controls using a standardized video, instructing the probands to perform relevant parts of the UPDRS III to investigate fine motor movements at baseline and after first-time L-Dopa administration...
July 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28676467/the-rules-of-engagement-perspectives-on-secure-messaging-from-experienced-ambulatory-patient-portal-users
#17
Cynthia J Sieck, Jennifer L Hefner, Jeanette Schnierle, Hannah Florian, Aradhna Agarwal, Kristen Rundell, Ann Scheck McAlearney
BACKGROUND: Patient portals have shown promise in engaging individuals in self-management of chronic conditions by allowing patients to input and track health information and exchange secure electronic messages with their providers. Past studies have identified patient barriers to portal use including usability issues, low health literacy, and concerns about loss of personal contact as well as provider concerns such as increased time spent responding to messages. However, to date, studies of both patient and provider perspectives on portal use have focused on the pre-implementation or initial implementation phases and do not consider how these issues may change as patients and providers gain greater experience with portals...
July 4, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28665841/asymmetric-multisutural-craniosynostosis-an-algorithm-of-early-intervention-to-prevent-evolving-deformity
#18
Michael R Bykowski, Sanjay Naran, Renata Maricevich, Jesse A Goldstein, Joseph E Losee
BACKGROUND: Asymmetric multisutural craniosynostosis (AMC) is characterized by fusion of a midline suture combined with unilateral fusion of at least 1 nonmidline suture. Due to its rarity, complexity, and high rate of reoperation, the purpose of this study is to evaluate outcomes of our staged approach to AMC. METHODS: Patients treated for craniosynostosis between January 2004 and December 2013 were identified retrospectively. Only patients with AMC and a minimum follow-up of 2 years were included...
July 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28664876/scaling-up-of-a-heparg-progenitor-cell-based-bioartificial-liver-optimization-for-clinical-application-and-transport
#19
Martien van Wenum, Philipp Treskes, Chung-Yin Tang, Esmee J Coppens, Koen Jansen, Erik J Hendriks, Sandrine Camus, Thomas M van Gulik, Robert A F M Chamuleau, Ruurdtje Hoekstra
A new generation of bioartificial livers, based on differentiated proliferative hepatocyte sources, has been developed. Several practicable and regulatory demands have to be addressed before these can be clinically evaluated. We identified three main hurdles: (1) expansion and preservation of the biocomponent, (2) development of scaled-up culture conditions and (3) transport of the device to the bedside. In this study we address these three issues for the HepaRG-progenitor cell line-loaded AMC-Bioartificial Liver...
June 30, 2017: Biofabrication
https://www.readbyqxmd.com/read/28656258/cip2a-an-oncoprotein-is-associated-with-cell-proliferation-invasion-and-migration-in-laryngeal-carcinoma-cells
#20
Xu-Dong Chen, Shi-Xiong Tang, Jian-Hua Zhang, Li-Tao Zhang, Yao-Wen Wang
Laryngeal carcinoma is one of the most common malignant tumors in otorhinolaryngology. Moreover, experimental investigation showed that cancerous inhibitor of protein phosphatase 2A (CIP2A) expressed highly in various cancers. Therefore, we investigated whether CIP2A can regulate the proliferation, invasion and migration by RNA interference in Hep-2 cells and AMC-NH-8 cells and further affect the activation of phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) pathway. Overexpression of CIP2A was evaluated in tumor tissue and laryngeal cancer cell lines (Hep-2 and AMC-NH-8 cells) by real-time quantitative polymerase chain reaction (RT-qPCR) and western blot assay...
August 2017: Oncology Reports
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