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https://www.readbyqxmd.com/read/29244195/decellularized-colorectal-cancer-matrix-as-bioactive-microenvironment-for-in-vitro-3d-cancer-research
#1
Martina Piccoli, Edoardo D'Angelo, Sara Crotti, Francesca Sensi, Luca Urbani, Edoardo Maghin, Alan Burns, Paolo De Coppi, Matteo Fassan, Massimo Rugge, Flavio Rizzolio, Antonio Giordano, Pierluigi Pilati, Enzo Mammano, Salvatore Pucciarelli, Marco Agostini
Three-dimensional (3D) cancer models are overlooking the scientific landscape with the primary goal of bridging the gaps between two-dimensional (2D) cell lines, animal models and clinical research. Here we describe an innovative tissue engineering approach applied to colorectal cancer (CRC) starting from decellularized human biopsies in order to generate an organotypic 3D-bioactive model. This in vitro 3D system recapitulates the ultrastructural environment of native tissue as demonstrated by histology, immunohistochemistry, immunofluorescence and scanning electron microscopy analyses...
December 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29242247/chip-regulates-aquaporin-2-quality-control-and-body-water-homeostasis
#2
Qi Wu, Hanne B Moeller, Donté A Stevens, Rebekah Sanchez-Hodge, Gabrielle Childers, Marleen L A Kortenoeven, Lei Cheng, Lena L Rosenbaek, Carrie Rubel, Cam Patterson, Trairak Pisitkun, Jonathan C Schisler, Robert A Fenton
The importance of the kidney distal convoluted tubule (DCT) and cortical collecting duct (CCD) is highlighted by various water and electrolyte disorders that arise when the unique transport properties of these segments are disturbed. Despite this critical role, little is known about which proteins have a regulatory role in these cells and how these cells can be regulated by individual physiologic stimuli. By combining proteomics, bioinformatics, and cell biology approaches, we found that the E3 ubiquitin ligase CHIP is highly expressed throughout the collecting duct; is modulated in abundance by vasopressin; interacts with aquaporin-2 (AQP2), Hsp70, and Hsc70; and can directly ubiquitylate the water channel AQP2 in vitro shRNA knockdown of CHIP in CCD cells increased AQP2 protein t1/2 and reduced AQP2 ubiquitylation, resulting in greater levels of AQP2 and phosphorylated AQP2...
December 14, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29241944/fracture-resistance-and-failure-modes-of-polymer-infiltrated-ceramic-endocrown-restorations-with-variations-in-margin-design-and-occlusal-thickness
#3
Doaa Taha, Sebastian Spintzyk, Christine Schille, Ahmed Sabet, Marwa Wahsh, Tarek Salah, Jürgen Geis-Gerstorfer
PURPOSE: The purpose of this in vitro study was to assess the effect of varying the margin designs and the occlusal thicknesses on the fracture resistance and mode of failures of endodontically treated teeth restored with polymer infiltrated ceramic endocrown restorations. METHODS: Root canal treated mandibular molars were divided into four groups (n=8) and were prepared to receive Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) fabricated polymer infiltrated ceramic endocrowns (ENAMIC blocks)...
December 11, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29240297/shared-cam-and-s100a1-binding-epitopes-in-the-distal-trpm4-n-terminus
#4
Kristyna Bousova, Petr Herman, Jaroslav Vecer, Lucie Bednarova, Lenka Monincova, Pavel Majer, Ladislav Vyklicky, Jiri Vondrasek, Jan Teisinger
The transient receptor potential channel of melastatin 4 (TRPM4) belongs to a group of large ion receptors that are involved in countless cell signalling cascades. This unique member is ubiquitously expressed in many human tissues, especially in cardiomyocytes, where it plays an important role in cardiovascular processes. Transient receptor potential channels (TRPs) are usually constituted by intracellular N- and C- termini, which serve as mediators affecting allosteric modulation of channels, resulting in the regulation of the channel function...
December 14, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29239690/antibody-drug-conjugates-design-and-development-for-therapy-and-imaging-in-and-beyond-cancer-labex-mabimprove-industrial-workshop-july-27-28-2017-tours-france
#5
Camille Martin, Claire Kizlik-Masson, André Pèlegrin, Hervé Watier, Marie-Claude Viaud-Massuard, Nicolas Joubert
The annual "Antibody Industrial Symposium", co organized by LabEx MAbImprove, MabDesign and Polepharma, was held in Tours, France on June 27-28, 2017. The focus was on antibody-drug-conjugates (ADCs), new entities which realize the hope of Paul Ehrlich's magic bullet. ADCs result from the bioconjugation of a highly cytotoxic drug to a selective monoclonal antibody, which acts as a vector. Building on knowledge gained during the development of three approved ADCs, brentuximab vedotin (Adcetris®), ado trastuzumab emtansine (Kadcyla®) and inotuzumab ozogamicin (Besponsa®), and the many ADCs in development, this meeting addressed strategies and the latest innovations in the field from fundamental research to manufacturing...
December 14, 2017: MAbs
https://www.readbyqxmd.com/read/29238845/junctional-adhesion-molecule-a-functional-diversity-through-molecular-promiscuity
#6
REVIEW
Tim Steinbacher, Daniel Kummer, Klaus Ebnet
Cell adhesion molecules (CAMs) of the immunoglobulin superfamily (IgSF) regulate important processes such as cell proliferation, differentiation and morphogenesis. This activity is primarily due to their ability to initiate intracellular signaling cascades at cell-cell contact sites. Junctional adhesion molecule-A (JAM-A) is an IgSF-CAM with a short cytoplasmic tail that has no catalytic activity. Nevertheless, JAM-A is involved in a variety of biological processes. The functional diversity of JAM-A resides to a large part in a C-terminal PDZ domain binding motif which directly interacts with nine different PDZ domain-containing proteins...
December 14, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29238488/effect-of-hydrofluoric-acid-surface-treatments-on-micro-shear-bond-strength-of-cad-cam-ceramics
#7
Faraneh Mokhtarpour, Homayoon Alaghehmand, Soraya Khafri
Introduction: Dental ceramics are appreciated as highly esthetic restorative materials that can simulate the appearance of natural dentition better than other materials. The aim of this study was to evaluate the effect of hydrofluoric acid concentration and etching time on micro-shear bond strength (μSBS) to IPS e.max CAD and Vita Mark II of a dual cured resin cement (Panavia F2.0). Methods: This study was an experimental in vitro study, performed in the dental material research center of Babol University of Medical Sciences in 2016...
October 2017: Electronic Physician
https://www.readbyqxmd.com/read/29238483/the-influence-of-polishing-techniques-on-pre-polymerized-cad-cam-acrylic-resin-denture-bases
#8
Manal Rahma Alammari
Background: Lately, computer-aided design and computer-aided manufacturing (CAD/CAM) has broadly been successfully employed in dentistry. The CAD/CAM systems have recently become commercially available for fabrication of complete dentures, and are considered as an alternative technique to conventionally processed acrylic resin bases. However, they have not yet been fully investigated. Objective: The purpose of this study was to inspect the effects of mechanical polishing and chemical polishing on the surface roughness (Ra) and contact angle (wettability) of heat-cured, auto-cured and CAD/CAM denture base acrylic resins...
October 2017: Electronic Physician
https://www.readbyqxmd.com/read/29235974/processing-fixed-and-stored-adipose-derived-stem-cells-for-quantitative-protein-array-assays
#9
Jessica S Sadick, Eric M Darling
Accurately characterizing cellular subpopulations is essential for elucidating the mechanisms underlying normal and pathological biology. Isolation of specific cell types can be accomplished by labeling unique cell-associated proteins with fluorescent antibodies. Cell fixation is commonly used to prepare these samples and allow for long-term storage, but this poses challenges for subsequent protein analysis. We previously established the FITSAR (formaldehyde-fixed intracellular target-sorted antigen retrieval) method, in which protein can be isolated and characterized from fixed, enriched cell subpopulations...
December 1, 2017: BioTechniques
https://www.readbyqxmd.com/read/29234559/clinical-measures-of-hip-range-of-motion-do-not-correlate-with-the-degree-of-cam-morphology-in-semi-elite-australian-footballers-a-cross-sectional-study
#10
Myles Murphy, Joanne Kemp, Anne Smith, Jonathon Charlesworth, Kathy Briffa
Background: Clinical testing to determine the presence of a cam morphology is becoming more common however the correlation between hip range of motion and the degree of cam morphology remains controversial in the literature. The prevalence of a cam morphology in athletes has been reported as higher than in the general population but the prevalence of cam morphology has not been reported in Australian Football (AF). Purpose: The purpose of this study was to determine the correlation between hip range of motion and hip alpha angle and report the proportion of players with a cam morphology in a sample of AF players...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29233863/cobl-like-promotes-actin-filament-formation-and-dendritic-branching-using-only-a-single-wh2-domain
#11
Maryam Izadi, Dirk Schlobinski, Maria Lahr, Lukas Schwintzer, Britta Qualmann, Michael M Kessels
Local actin filament formation powers the development of the signal-receiving arbor of neurons that underlies neuronal network formation. Yet, little is known about the molecules that drive these processes and may functionally connect them to the transient calcium pulses observed in restricted areas in the forming dendritic arbor. Here we demonstrate that Cordon-Bleu (Cobl)-like, an uncharacterized protein suggested to represent a very distantly related, evolutionary ancestor of the actin nucleator Cobl, despite having only a single G-actin-binding Wiskott-Aldrich syndrome protein Homology 2 (WH2) domain, massively promoted the formation of F-actin-rich membrane ruffles of COS-7 cells and of dendritic branches of neurons...
December 12, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/29233470/isolated-contralateral-axillary-lymph-node-involvement-in-breast-cancer-represents-a-locally-advanced-disease-not-distant-metastases
#12
Rati Chkheidze, Mary Ann G Sanders, Barbara Haley, A Marilyn Leitch, Sunati Sahoo
BACKGROUND: Breast cancer metastases to an ipsilateral supraclavicular lymph node is assigned a N3 status in the TNM system and thus classified as stage III disease in the American Joint Commission on Cancer staging manual. Breast cancer metastatic to contralateral axillary lymph node (CAM) without metastases to any other distant organ is currently assigned M1 status (stage IV) instead of N3 (stage III). PATIENTS AND METHODS: We retrospectively reviewed the medical records of breast cancer patients diagnosed with CAM for their clinical presentation, pathologic diagnoses, treatment, and follow-up data...
November 10, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29233423/complementary-and-alternative-medicine-education-in-u-s-schools-and-colleges-of-pharmacy
#13
Alice Scaletta, Nishi Ghelani, Subin Sunny
INTRODUCTION: The objective of this survey is to provide an update on the state of complementary and alternative medicine (CAM) education and describe instructional and assessment methods across schools and colleges of pharmacy. METHODS: One hundred thirty-five schools of pharmacy were contacted to participate in a survey describing the incorporation of CAM education into their respective curricula. The survey also inquired about perceived barriers and future plans for CAM-related courses...
July 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29233192/methanolic-extract-of-euchelus-asper-exhibits-in-ovo-anti-angiogenic-and-in-vitro-anti-proliferative-activities
#14
Sweta Agrawal, Sachin Chaugule, Shashank More, Gargi Rane, Madhavi Indap
BACKGROUND: The marine environment is a rich source of bioactive natural products. Many of the marine bioactive compounds have been derived successfully from molluscs. Euchelus asper is a marine mollusc which is commonly found in the intertidal rocky regions of the Mumbai coast. The present study was focused on evaluating the anti-angiogenic and anti- proliferative activities of methanolic extract of Euchelus asper (EAME). METHODS: The anti-angiogenic activity of EAME (50-800 μg/mL) was assessed by chick chorio-allantoic membrane (CAM) model wherein multiple parameters in the CAM blood vessels were analysed through morphometric and histological investigations...
December 12, 2017: Biological Research
https://www.readbyqxmd.com/read/29232849/in-vitro-investigation-of-wear-of-cad-cam-polymeric-materials-against-primary-teeth
#15
Jae-Won Choi, Eun-Ju Song, Jong-Hyun Shin, Tae-Sung Jeong, Jung-Bo Huh
The aim of the study was to evaluate the effects of polymeric computer-aided design/computer-aided manufacturing CAD/CAM materials on antagonistic primary tooth wear. Five CAD/CAM polymeric materials were examined: Vipi Block Monocolor (VBM), Yamahachi polymethylmethacrylate (PMMA) (YAP), Mazic Duro (MZD), Vita Enamic (ENA), and Pekkton (PEK). All of the specimens were tested in a thermomechanical loading machine with the primary canine as the antagonist (50 N, 1.2 × 10⁵ cycles, 1.7 Hz, 5/55 °C). The wear losses of the antagonist tooth and the restorative materials were calculated using reverse modelling software and an electronic scale...
December 9, 2017: Materials
https://www.readbyqxmd.com/read/29230245/adaptation-and-molecular-characterization-of-two-malaysian-very-virulent-infectious-bursal-disease-virus-isolates-adapted-in-bgm-70-cell-line
#16
Nafi'u Lawal, Mohd Hair-Bejo, Siti Suri Arshad, Abdul Rahman Omar, Aini Ideris
Two Malaysian very virulent infectious bursal disease virus (vvIBDV) strains UPM0081 and UPM190 (also known as UPMB00/81 and UPM04/190, respectively) isolated from local IBD outbreaks were serially passaged 12 times (EP12) in specific pathogen free (SPF) chicken embryonated eggs (CEE) by chorioallantoic membrane (CAM) route. The EP12 isolate was further adapted and serially propagated in BGM-70 cell line up to 20 passages (P20). Characteristic cytopathic effects (CPEs) were subtly observed at P1 in both isolates 72 hours postinoculation (pi)...
2017: Advances in Virology
https://www.readbyqxmd.com/read/29228619/fibrin-bearing-microparticles-marker-of-thrombo-embolic-events-in-pancreatic-and-colorectal-cancers
#17
Diane Mege, Lydie Crescence, Mehdi Ouaissi, Igor Sielezneff, Regis Guieu, Françoise Dignat-George, Christophe Dubois, Laurence Panicot-Dubois
Background: Microparticles (MPs) are plasma membrane-derived extracellular vesicles present in the bloodstream. We have described a specific signature of MPs, called microparticulosome, in colorectal (CRC) and pancreatic (PC) cancers. We observed that levels of fibrin-bearing MPs were significantly increased in patients suffering from PC and CRC in comparison with control groups. Here, we hypothesised that fibrin-MPs may constitute a relevant biomarker of thrombosis associated with cancer...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228563/riluzole-a-potential-therapeutic-intervention-in-human-brain-tumor-stem-like-cells
#18
Swetlana Sperling, Thiha Aung, Sabine Martin, Veit Rohde, Milena Ninkovic
A small subpopulation of tumor stem-like cells has the capacity to initiate tumors and mediate radio- and chemoresistance in diverse cancers hence also in glioblastoma (GBM). It has been reported that this capacity of tumor initiation in the brain is mainly dependent on the body's nutrient supply. This population of so-called brain tumor initiating or brain tumor stem-like cells (BTSCs) is able to extract nutrients like glucose with a higher affinity. Riluzole, a drug approved for treating amyotrophic lateral sclerosis (ALS), was reported to possess anticancer properties, affecting the glutamate metabolism...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227277/use-of-complementary-and-alternative-medicine-in-georgia
#19
I Nadareishvili, K Lunze, N Tabagari, A Beraia, G Pkhakadze
In Georgia, like in most countries globally, people commonly resort to complementary and alternative medicine (CAM). However, not much is known about CAM practices there. The aim of the study was to document common practices of CAM in Georgia and related patient attitudes. We collected data from peoples who commonly use CAM at 20 service provision centers in Georgia using cluster sampling from 300 patients. We admininstered a cross-sectional survey and conducted descriptive statistical analyses. People in Georgia use CAM either for prevention to improve general health (33%) or to treat chronic conditions (36%), spending about 25 Euros per month out of pocket...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29226131/risk-factors-of-delirium-in-sequential-sedation-patients-in-intensive-care-units
#20
Jie Yang, Yongfang Zhou, Yan Kang, Binbin Xu, Peng Wang, Yinxia Lv, Zhen Wang
Background: Delirium is a primary adverse event in ventilated patients who receive long-term monosedative treatment. Sequential sedation may reduce these adverse effects. This study evaluated risk factors for delirium in sequential sedation patients. Methods: A total of 141 patients who underwent sequential sedation were enrolled. Delirium was diagnosed using Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) scale. Univariate and multivariate Cox proportional hazards regressions were used to predict risk factors...
2017: BioMed Research International
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