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https://www.readbyqxmd.com/read/28735527/fibroblast-activating-protein-%C3%AE-expression-in-squamous-cell-carcinoma-of-the-esophagus-in-primary-and-irradiated-tumors-the-use-of-archival-ffpe-material-for-molecular-techniques
#1
Renata Tabola, Magdalena Zaremba-Czogalla, Dagmara Baczynska, Roberto Cirocchi, Kamila Stach, Krzysztof Grabowski, Katarzyna Augoff
There are numerous reports suggesting that fibroblast activating protein-α (FAP-α) plays an important role in invasion of various tumor types. We studied the expression pattern of FAP-α in esophageal squamous cell carcinoma (ESCC) patients who had not been treated primarily and those who had received neoadjuvant radiochemotherapy. Our goal was to establish whether readily available tissue specimens fixed in formalin and stored in paraffin blocks for years might still be a source of FAP-α RNA for PCR analysis...
June 20, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735524/characterization-of-cytoskeleton-features-and-maturation-status-of-cultured-human-ipsc-derived-cardiomyocytes
#2
Christian Zuppinger, George Gibbons, Priyanka Dutta-Passecker, Adrian Segiser, Henriette Most, Thomas M Suter
Recent innovations in stem cell technologies and the availability of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) have opened new possibilities for studies and drug testing on human cardiomyocytes in vitro. Still, there are concerns about the precise nature of such 'reprogrammed' cells. We have performed an investigation using immunocytochemistry and confocal microscopy on several cellular features using commercially available hiPSC-CMs. For some selected developmentally regulated or cardiac chamber-specific proteins, we have compared the results from hiPSC-derived cardiomyocytes with freshly isolated, ventricular cardiomyocytes from adult rats...
June 21, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735464/radiation-dose-reduction-in-thoracic-and-lumbar-spine-instrumentation-using-navigation-based-on-an-intraoperative-cone-beam-ct-imaging-system-a-prospective-randomized-clinical-trial
#3
Nathalie Pireau, Virginie Cordemans, Xavier Banse, Nadia Irda, Sébastien Lichtherte, Ludovic Kaminski
PURPOSE: Spine surgery still remains a challenge for every spine surgeon, aware of the potential serious outcomes of misplaced instrumentation. Though many studies have highlighted that using intraoperative cone beam CT imaging and navigation systems provides higher accuracy than conventional freehand methods for placement of pedicle screws in spine surgery, few studies are concerned about how to reduce radiation exposure for patients with the use of such technology. One of the main focuses of this study is based on the ALARA principle (as low as reasonably achievable)...
July 22, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28735441/pathology-of-neuroendocrine-tumours-of-the-female-genital-tract
#4
REVIEW
Brooke E Howitt, Paul Kelly, W Glenn McCluggage
Neuroendocrine tumours are uncommon or rare at all sites in the female genital tract. The 2014 World Health Organisation (WHO) Classification of neuroendocrine tumours of the endometrium, cervix, vagina and vulva has been updated with adoption of the terms low-grade neuroendocrine tumour and high-grade neuroendocrine carcinoma. In the endometrium and cervix, high-grade neoplasms are much more prevalent than low-grade and are more common in the cervix than the corpus. In the ovary, low-grade tumours are more common than high-grade carcinomas and the term carcinoid tumour is still used in WHO 2014...
September 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28735438/adenosine-assisted-neurovascular-surgery-initial-case-series-and-review-of-literature
#5
REVIEW
Alaa Al-Mousa, Gahan Bose, Katharine Hunt, Ahmed K Toma
Cerebral aneurysms in complex anatomical locations and intraoperative rupture of aneurysms are challenging for neurosurgeons and anaesthetists alike. Mechanical and non-mechanical methods to reduce blood flow into aneurysms are well-recognised techniques to facilitate aneurysm exclusion from the circulation. Mechanical methods like temporary clipping of parent arteries, carotid artery ligation and endovascular balloon occlusion are commonly used in clinical practice. However, non-mechanical techniques such as rapid ventricular pacing and adenosine-induced cardiac standstill with hypotension are still emerging strategies...
July 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28735421/ammonia-released-by-streptomyces-aburaviensis-induces-droplet-formation-in-streptomyces-violaceoruber
#6
Kathrin Schmidt, Dieter Spiteller
Streptomyces violaceoruber grown in co-culture with Streptomyces aburaviensis produces an about 17-fold higher volume of droplets on its aerial mycelium than in single-culture. Physical separation of the Streptomyces strains by either a plastic barrier or by a dialysis membrane, which allowed communication only by the exchange of volatile compounds or diffusible compounds in the medium, respectively, still resulted in enhanced droplet formation. The application of molecular sieves to bioassays resulted in the attenuation of the droplet-inducing effect of S...
July 22, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28735419/modulation-of-human-kv4-3-kchip2-channel-inactivation-kinetics-by-cytoplasmic-ca-2
#7
Christiane Groen, Robert Bähring
The transient outward current (I to) in the human heart is mediated by Kv4.3 channels complexed with Kv channel interacting protein (KChIP) 2, a cytoplasmic Ca(2+)-binding EF-hand protein known to modulate Kv4.3 inactivation gating upon heterologous co-expression. We studied Kv4.3 channels co-expressed with wild-type (wt) or EF-hand-mutated (ΔEF) KChIP2 in human embryonic kidney (HEK) 293 cells. Co-expression took place in the absence or presence of BAPTA-AM, and macroscopic currents were recorded in the whole-cell patch-clamp configuration with different free Ca(2+) concentrations in the patch-pipette...
July 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28735418/gap-junction-communication-between-chromaffin-cells-the-hidden-face-of-adrenal-stimulus-secretion-coupling
#8
REVIEW
Nathalie C Guérineau
From birth to death, catecholamine secretion undergoes continuous adjustments, allowing the organism to adapt to homeostasis changes. To cope with these stressful conditions, the neuroendocrine cells of the adrenal medulla play an immediate and crucial role. Chromaffin cell-driven catecholamine release is chiefly controlled by a neurogenic command that arises from the sympathetic nervous system, which releases acetylcholine at the splanchnic nerve terminal-chromaffin cell synapses. In addition to receiving several synaptic inputs individually, chromaffin cells are coupled by gap junctions...
July 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28735414/bone-mechanobiology-in-mice-toward-single-cell-in-vivo-mechanomics
#9
Ariane Scheuren, Esther Wehrle, Felicitas Flohr, Ralph Müller
Mechanically driven bone (re)modeling is a multiscale process mediated through complex interactions between multiple cell types and their microenvironments. However, the underlying mechanisms of how cells respond to mechanical signals are still unclear and are at the focus of the field of bone mechanobiology. Traditionally, this complex process has been addressed by reducing the system to single scales and cell types. It is only recently that more integrative approaches have been established to study bone mechanobiology across multiple scales in which mechanical load at the organ level is related to molecular responses at the cellular level...
July 22, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28735360/navigating-the-future-of-cardiovascular-drug-development-leveraging-novel-approaches-to-drive-innovation-and-drug-discovery-summary-of-findings-from-the-novel-cardiovascular-therapeutics-conference
#10
REVIEW
Thomas J Povsic, Rob Scott, Kenneth W Mahaffey, Robert Blaustein, Jay M Edelberg, Martin P Lefkowitz, Scott D Solomon, Jonathan C Fox, Kevin E Healy, Aarif Y Khakoo, Douglas W Losordo, Fady I Malik, Brett P Monia, Rusty L Montgomery, Jeffrey Riesmeyer, Gregory G Schwartz, Steven L Zelenkofske, Joseph C Wu, Scott M Wasserman, Matthew T Roe
PURPOSE: The need for novel approaches to cardiovascular drug development served as the impetus to convene an open meeting of experts from the pharmaceutical industry and academia to assess the challenges and develop solutions for drug discovery in cardiovascular disease. METHODS: The Novel Cardiovascular Therapeutics Summit first reviewed recent examples of ongoing or recently completed programs translating basic science observations to targeted drug development, highlighting successes (protein convertase sutilisin/kexin type 9 [PCSK9] and neprilysin inhibition) and targets still under evaluation (cholesteryl ester transfer protein [CETP] inhibition), with the hope of gleaning key lessons to successful drug development in the current era...
July 22, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28735359/binding-abstract-concepts
#11
Tarini Singh, Christian Frings, Birte Moeller
Binding theories assume that a stimulus and the response made to it are bound together in an event file (Hommel et al., Behav Brain Sci 24(05):849-937, 2001). Such bindings can occur even after single encounters. If the stimulus or parts of its features are repeated within the time frame in which the event file is still intact, the previously integrated response is retrieved. Stimulus-response binding can exist at a perceptual, conceptual or a response selection level (Henson et al., Trends Cogn Sci 18(7):376-384, 2014)...
July 22, 2017: Psychological Research
https://www.readbyqxmd.com/read/28735358/il-10-and-tgf-%C3%AE-unbalanced-levels-in-neutrophils-contribute-to-increase-inflammatory-cytokine-expression-in-childhood-obesity
#12
Nayara I Medeiros, Rafael T Mattos, Carlos A Menezes, Rafaelle C G Fares, André Talvani, Walderez O Dutra, Fabrício Rios-Santos, Rodrigo Correa-Oliveira, Juliana A S Gomes
PURPOSE: Obesity is a multifactorial disease, associated with metabolic disorders, chronic low-grade inflammation, and impaired immunity. This study aimed to evaluate the childhood obesity-associated effects on neutrophil activation and cytokine production. METHODS: We evaluated activation and recognition markers and cytokine production in neutrophils from the peripheral blood of children with obesity and normal weight using multicolor flow cytometry. RESULTS: We demonstrate a higher frequency of neutrophils in childhood obesity group (CO) compared to normal-weight group (NW)...
July 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28735349/connecting-the-dots-between-fatty-acids-mitochondrial-function-and-dna-methylation-in-atherosclerosis
#13
REVIEW
Silvio Zaina, Gertrud Lund
PURPOSE OF REVIEW: The quest for factors and mechanisms responsible for aberrant DNA methylation in human disease-including atherosclerosis-is a promising area of research. This review focuses on the role of fatty acids (FAs) as modulators of DNA methylation-in particular the role of mitochondrial beta-oxidation in FA-induced changes in DNA methylation during the progression of atherosclerosis. RECENT FINDINGS: Recent publications have advanced the knowledge in all areas touched by this review: the causal role of lipids in shaping the DNA methylome, the associations between chronic degenerative disease and mitochondrial function, the lipid composition of the atheroma, and the relevance of DNA hypermethylation in atherosclerosis...
September 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28735311/erythromycin-or-clindamycin-is-it-still-an-empirical-therapy-against-streptococcus-agalactiae-in-patients-allergic-to-penicillin
#14
Piotr Leszczyński, Beata Sokół-Leszczyńska, Bronisława Pietrzak, Anna Sawicka-Grzelak, Mirosław Wielgoś
Retrospective analysis of Streptococcus agalactiae antibiotic susceptibility isolated in 2010-2013 was performed. Penicillin was still the first-line antibiotic. Due to the high percentage of strains resistant to erythromycin and clindamycin empirical treatment with these antibiotics may not be effective. Lower resistance rate to erythromycin and clindamycin among strains isolated from infected pregnant women and newborns were observed than among strains isolated from samples from patients hospitalized in other departments (29% and 47% v...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735223/isomeric-separation-and-quantitation-of-di-2-ethylhexyl-trimellitates-and-mono-2-ethylhexyl-trimellitates-in-blood-by-lc-ms-ms
#15
Christine Höllerer, Johannes Müller, Thomas Göen, Elisabeth Eckert
A new and fast HPLC-method for the simultaneous determination of tri-(2-ethylhexyl) trimellitate (TOTM or TEHTM), its diesters 2,4-di-(2-ethylhexyl) trimellitate (2,4-DEHTM), 1,4-di-(2-ethylhexyl) trimellitate (1,4-DEHTM), 1,2-di-(2-ethylhexyl) trimellitate (1,2-DEHTM) and monoesters 1-mono-(2-ethylhexyl) trimellitate (1-MEHTM), 2-mono-(2-ethylhexyl) trimellitate (2-MEHTM) and 4-mono-(2-ethylhexyl) trimellitate (4-MEHTM) together with di-(2-ethylhexyl) phthalate (DEHP) and its primary metabolite mono-(2-ethylhexyl) phthalate (MEHP) in blood was developed and validated...
July 10, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28735199/one-pot-synthesis-of-bismuth-silicate-heterostructures-with-tunable-morphology-and-excellent-visible-light-photodegradation-performances
#16
Kun-Le Jia, Jin Qu, Shu-Meng Hao, Fei An, Ya-Qiong Jing, Zhong-Zhen Yu
Construction of a heterostructure to prolong the life of electron-hole pairs is a very important approach to endow it with excellent photodegradation performances. Particularly, one-pot synthesis of heterostructures with the same component but different crystal structures to form a proper band gap is still challenging. Herein, bismuth silicate (BSO) heterostructures are synthesized using a one-pot hydrothermal approach without adding any other inorganic components. The crystal phase, morphology, surface state, and photochemical properties of the BSO materials are precisely tuned to fabricate two kinds of bismuth silicate heterostructures: rod-like Bi2SiO5/Bi12SiO20 and flower-like Bi2SiO5/Bi4Si3O12 heterostructures...
July 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28735192/nozzle-jet-printed-flexible-field-effect-transistor-biosensor-for-high-performance-glucose-detection
#17
Kiesar Sideeq Bhat, Rafiq Ahmad, Jin-Young Yoo, Yoon-Bong Hahn
Printable electronics is a subject of great interest for low-cost, facile and environmentally-friendly large scale device production. But, it still remains challenging for printable biosensor development. Herein, we present the fabrication of nozzle-jet printed flexible field-effect transistor (FET) glucose biosensor. The silver source-drain electrodes and ZnO seed layers were printed on flexible substrate by nozzle-jet printer followed by ZnO nanorods (ZnO NRs) synthesis and glucose oxidase (GOx) immobilization...
July 14, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28735161/types-of-strain-among-family-members-of-individuals-with-autism-spectrum-disorder-across-the-lifespan
#18
Carolyn M Shivers, Katarina Krizova, Gloria K Lee
BACKGROUND: Although increased caregiver strain is often found among family caregivers of individuals with autism spectrum disorder, it is still unclear as to how different types of strain relate to amount and types of caregiving across the lifespan. AIMS: The present study examined different types of strain (i.e. subjective internalized strain, subjective externalized strain, and objective strain) and how such strain relates to the amount of caregiving responsibilities...
July 20, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28735141/seizure-outcome-of-patients-with-magnetic-resonance-imaging-negative-epilepsies-still-an-ongoing-debate
#19
Cihan Isler, Cigdem Ozkara, Baris Kucukyuruk, Sakir Delil, Buge Oz, Nil Comunoglu, Osman Kizilkilic, Ahmet Kayhan, Kaancan Deniz, Serdar Akkol, Taner Tanriverdi, Mustafa Uzan
No abstract text is available yet for this article.
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735120/outpatient-lumbar-microdiscectomy-in-france-from-an-economic-imperative-to-a-clinical-standard-an-observational-study-of-201-cases
#20
Bertrand Debono, Pascal Sabatier, Valérie Garnault, Olivier Hamel, Philippe Bousquet, Jean-Paul Lescure, Jean-Yves Plas
PURPOSE: The outpatient lumbar discectomy procedures have been established for more than two decades. However, especially in Europe, there are still obstacles to the development of these procedures, which may be related to medico-economic imperatives, and to several factors concerning both surgeons and patients. We describe our initial experience in introducing this method in our institution. METHODS: Over a three year period, 201 patients met the criteria for ambulatory lumbar microdiscectomy...
July 19, 2017: World Neurosurgery
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