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https://www.readbyqxmd.com/read/29142905/p-cadherin-cdh3-is-overexpressed-in-colorectal-tumors-and-has-potential-as-a-serum-marker-for-colorectal-cancer-monitoring
#1
H M C Shantha Kumara, Geoffrey A Bellini, Otavia L Caballero, Sonali A C Herath, Tao Su, Aqeel Ahmed, Linda Njoh, Vesna Cekic, Richard L Whelan
Introduction: Placental-Cadherin (CDH3) is a cell adhesion molecule vital to cellular localization and tissue integrity. It is highly expressed in the placenta (PLC)and is overexpressed by many types of cancer. P-cadherin levels in colorectal cancer (CRC) remains poorly characterized. This study's purpose was to determine P-cadherin expression in CRC and normal tissues and to assess plasma CDH3 levels in order to determine the relationship, if any, between cancer stage, P-cadherin expression and plasma CDH3 levels...
September 2017: Oncoscience
https://www.readbyqxmd.com/read/29142476/clinical-and-pathological-characterization-of-epstein-barr-virus-associated-gastric-carcinomas-in-portugal
#2
Joana Ribeiro, Andreia Oliveira, Mariana Malta, Claudia Oliveira, Fernanda Silva, Ana Galaghar, Luís Pedro Afonso, Maria Cassiano Neves, Rui Medeiros, Pedro Pimentel-Nunes, Hugo Sousa
AIM: To determine the prevalence of Epstein-Barr virus (EBV)-associated gastric carcinomas in the North Region of Portugal and to study its clinicopathological characteristics. METHODS: We have performed a retrospective study including a total of 179 consecutive patients with gastric cancer (GC) submitted to gastrectomy during 2011 at the Portuguese Oncology Institute of Porto. Clinical and pathological data was collected from individual clinical records and inserted on a database with unique codification...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29136180/bcntb-bioinformatics-the-next-evolutionary-step-in-the-bioinformatics-of-breast-cancer-tissue-banking
#3
Emanuela Gadaleta, Stefano Pirrò, Abu Zafer Dayem Ullah, Jacek Marzec, Claude Chelala
Here, we present an update of Breast Cancer Now Tissue Bank bioinformatics, a rich platform for the sharing, mining, integration and analysis of breast cancer data. Its modalities provide researchers with access to a centralised information gateway from which they can access a network of bioinformatic resources to query findings from publicly available, in-house and experimental data generated using samples supplied from the Breast Cancer Now Tissue Bank. This in silico environment aims to help researchers use breast cancer data to their full potential, irrespective of any bioinformatics barriers...
October 9, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29134471/the-impact-of-heat-treatment-on-porcine-heart-valve-leaflets
#4
R Glenn Hepfer, Peng Chen, Kelvin G M Brockbank, Alyce L Jones, Amanda K Burnette, Zhen Chen, Elizabeth D Greene, Lia H Campbell, Hai Yao
The purpose of this study was to determine the impact of elevated temperature exposure in tissue banking on soft tissues. A secondary objective was to determine the relative ability of various assays to detect changes in soft tissues due to temperature deviations. Porcine pulmonary heart valve leaflets exposed to 37 °C were compared with those incubated at 52 and 67 °C for 10, 30 and 100 min. The analytical methods consisted of (1) viability assessment using the resazurin assay, (2) collagen content using the Sircol assay, and (3) permeability assessment using an electrical conductivity assay...
November 13, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/29129019/genetic-characterization-of-bank-vole-virus-bavv-a-new-paramyxovirus-isolated-from-kidneys-of-bank-voles-in-russia
#5
Sergey Alkhovsky, Alexander Butenko, Aykaz Eremyan, Alexey Shchetinin
A genome of bank vole virus (BaVV), isolated from kidney tissues of bank voles (Myodes glareolus) in Russia in 1973, was sequenced. The genomic organization of BaVV (3'-N-P/V/C-M-F-G-L-5', 16,992 nt in length; GenBank accession number MF943130) is most similar to that of Mossman virus (MoV) and Nariva virus (NarPV), two ungrouped paramyxoviruses isolated from rodents in Australia and Trinidad, respectively. The proteins of BaVV have the highest level of sequence identity (ranging from 23-28% for G protein to 66-73% for M protein) to proteins of MoV and NarPV...
November 11, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29127432/corneal-endothelial-cell-loss-3-years-after-successful-descemet-stripping-automated-endothelial-keratoplasty-in-the-cornea-preservation-time-study-a-randomized-clinical-trial
#6
Jonathan H Lass, Beth Ann Benetz, David D Verdier, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Shahzad I Mian, Lisa C Navarro, Sanjay V Patel, Sudeep Pramanik, George O Rosenwasser, Kevin W Ross, Mark A Terry, Craig Kollman, Robin L Gal, Roy W Beck
Importance: Demonstrating that endothelial cell loss following Descemet stripping automated endothelial keratoplasty (DSAEK) is independent of donor cornea preservation time (PT) could increase the pool of corneal tissue available for keratoplasty. Objective: To determine whether endothelial cell loss 3 years after successful DSAEK is related to PT. Design, Setting, and Participants: A multicenter, double-masked, randomized clinical trial included 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29127431/effect-of-cornea-preservation-time-on-success-of-descemet-stripping-automated-endothelial-keratoplasty-a-randomized-clinical-trial
#7
George O Rosenwasser, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Lisa C Navarro, Sudeep Pramanik, Kevin W Ross, R Doyle Stulting, Mark A Terry, Elmer Y Tu, David D Verdier, Craig Kollman, Robin L Gal, Roy W Beck, Jonathan H Lass
Importance: Demonstrating that success of Descemet stripping automated endothelial keratoplasty is similar across donor cornea preservation times (PTs) could increase the donor pool. Objective: To determine whether the 3-year rate of graft success using corneal donor tissue preserved 8 to 14 days is noninferior to that of donor tissue preserved 7 days or less. Design, Setting, and Participants: A multicenter, double-masked, randomized noninferiority clinical trial was conducted from April 16, 2012, to June 5, 2017, at 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29111891/regenerative-medicine-in-india-trends-and-challenges-in-innovation-and-regulation
#8
Shashank S Tiwari, Sujatha Raman, Paul Martin
The government of India has heavily promoted research and development in regenerative medicine together with domestic innovation and business development initiatives. Together, these promise a revolution in healthcare and public empowerment in India. Several national and transnational linkages have emerged to develop innovative capacity, most prominently in stem cell and cord blood banking, as well as in gene therapy, tissue engineering, biomaterials and 3D printing. However, challenges remain of achieving regulatory oversight, viable outputs and equitable impacts...
November 7, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/29100546/the-need-for-a-network-to-establish-and-validate-predictive-biomarkers-in-cancer-immunotherapy
#9
EDITORIAL
Giuseppe V Masucci, Alessandra Cesano, Alexander Eggermont, Bernard A Fox, Ena Wang, Francesco M Marincola, Gennaro Ciliberto, Kevin Dobbin, Igor Puzanov, Janis Taube, Jennifer Wargo, Lisa H Butterfield, Lisa Villabona, Magdalena Thurin, Michael A Postow, Paul M Sondel, Sandra Demaria, Sanjiv Agarwala, Paolo A Ascierto
Immunotherapies have emerged as one of the most promising approaches to treat patients with cancer. Recently, the entire medical oncology field has been revolutionized by the introduction of immune checkpoints inhibitors. Despite success in a variety of malignancies, responses typically only occur in a small percentage of patients for any given histology or treatment regimen. There are also concerns that immunotherapies are associated with immune-related toxicity as well as high costs. As such, identifying biomarkers to determine which patients are likely to derive clinical benefit from which immunotherapy and/or be susceptible to adverse side effects is a compelling clinical and social need...
November 3, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29079991/establishment-of-a-porcine-corneal-endothelial-organ-culture-model-for-research-purposes
#10
Berenike C Kunzmann, Olaf J C Hellwinkel, Christian Klameth, Daniel Wenzel, Karl U Bartz-Schmidt, Martin S Spitzer, Maximilian Schultheiss
Human corneas usually are not available for research, as they are used for transplantation only. At the same time, scientific studies on cultured human endothelial cells can produce misleading results due to inevitable dedifferentiation. Therefore, an organ-culture model of porcine corneas-displaying endothelial cell death rates comparable to those of cultured human corneas-would be very desirable. Fresh pig eyes were prepared under sterile conditions to obtain corneoscleral buttons, corneal buttons and so called "split corneal buttons" (new preparation method) and cultivated for 15 days...
October 27, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/29079088/seasonal-shift-of-diet-in-bank-voles-explains-trophic-fate-of-anthropogenic-osmium
#11
Frauke Ecke, Åsa M M Berglund, Ilia Rodushkin, Emma Engström, Nicola Pallavicini, Dieke Sörlin, Erik Nyholm, Birger Hörnfeldt
Diet shifts are common in mammals and birds, but little is known about how such shifts along the food web affect contaminant exposure. Voles are staple food for many mammalian and avian predators. There is therefore a risk of transfer of contaminants accumulated in voles within the food chain. Osmium is one of the rarest earth elements with osmium tetroxide (OsO4) as the most toxic vapor-phase airborne contaminant. Anthropogenic OsO4 accumulates in fruticose lichens that are important winter food of bank voles (Myodes glareolus)...
October 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29078802/restoring-the-quantity-and-quality-of-elderly-human-mesenchymal-stem-cells-for-autologous-cell-based-therapies
#12
Travis J Block, Milos Marinkovic, Olivia N Tran, Aaron O Gonzalez, Amanda Marshall, David D Dean, Xiao-Dong Chen
BACKGROUND: Degenerative diseases are a major public health concern for the aging population and mesenchymal stem cells (MSCs) have great potential for treating many of these diseases. However, the quantity and quality of MSCs declines with aging, limiting the potential efficacy of autologous MSCs for treating the elderly population. METHODS: Human bone marrow (BM)-derived MSCs from young and elderly donors were obtained and characterized using standard cell surface marker criteria (CD73, CD90, CD105) as recommended by the International Society for Cellular Therapy (ISCT)...
October 27, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29071453/donor-cornea-tissue-in-cases-of-drowning-or-water-submersion-eye-banks-practice-patterns-and-tissue-outcomes
#13
Nithya P Vijayakumar, Purak Parikh, Shahzad I Mian, Brad Tennant, Gregory H Grossman, Bob Albrecht, Leslie M Niziol, Maria A Woodward
Surgical use of donor corneal tissue from victims of water submersion (drowning or submersion secondary to death) remains controversial due to limited evidence about the quality of these tissues. To assess the safety of donor corneal tissue from victims of water submersion, an investigation of eye banks' practice patterns and tissue outcomes was conducted. All 79 Eye Bank Association of America accredited eye banks were contacted for a phone interview of practices regarding tissue from victims of water submersion...
October 25, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/29061807/molecular-interactions-of-carcinogenic-aromatic-amines-4-aminobiphenyl-and-4-4-diaminobiphenyl-with-lactoperoxidase-insight-to-breast-cancer
#14
Ishfaq Ahmad Sheikh, Mohd Amin Beg, Muhammad Yasir
BACKGROUND/AIM: Lactoperoxidase (LPO) is an antimicrobial protein present in milk, saliva, gastric secretions, tears and upper respiratory tract secretions. LPO constitutes an important enzyme of the human immune defense system. However, LPO has also been suggested to be involved in breast cancer etiology through production of reactive free radicals and activation of carcinogenic aromatic compounds. Aromatic compounds are generally highly lipophilic and thus accumulate in highly fatty breast tissues...
November 2017: Anticancer Research
https://www.readbyqxmd.com/read/29059374/the-pancreatic-expression-database-2018-update
#15
Jacek Marzec, Abu Z Dayem Ullah, Stefano Pirrò, Emanuela Gadaleta, Tatjana Crnogorac-Jurcevic, Nicholas R Lemoine, Hemant M Kocher, Claude Chelala
The Pancreatic Expression Database (PED, http://www.pancreasexpression.org) continues to be a major resource for mining pancreatic -omics data a decade after its initial release. Here, we present recent updates to PED and describe its evolution into a comprehensive resource for extracting, analysing and integrating publicly available multi-omics datasets. A new analytical module has been implemented to run in parallel with the existing literature mining functions. This analytical module has been created using rich data content derived from pancreas-related specimens available through the major data repositories (GEO, ArrayExpress) and international initiatives (TCGA, GENIE, CCLE)...
October 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29058593/brain-donation-in-psychiatry-results-of-a-dutch-prospective-donor-program-among-psychiatric-cohort-participants
#16
Geertje M de Lange, Marleen Rademaker, Marco P Boks, Saskia J M C Palmen
BACKGROUND: Human brain tissue is crucial to study the molecular and cellular basis of psychiatric disorders. However, the current availability of human brain tissue is inadequate. Therefore, the Netherlands Brain Bank initiated a program in which almost 4.000 participants of 15 large Dutch psychiatric research cohorts were asked to register as prospective brain donors. METHODS: We approached patients with schizophrenia, bipolar disorder, major depressive disorder, obsessive-compulsive disorder, post-traumatic stress disorder, families with a child with autism or Attention Deficit Hyperactivity Disorder, healthy relatives and healthy unrelated controls, either face-to-face or by post...
October 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29052751/-prevention-of-infections-due-to-musculoskeletal-allografts
#17
REVIEW
A Pruß
Transplantation of musculoskeletal tissues is widely used in the treatment of extensive defects of the musculoskeletal system, especially in orthopedics for exchange of prostheses, surgical interventions on the spine and in traumatology for reconstruction after extensive tumor resections. A danger after transplantation is the potential transmission of clinically relevant pathogens. Tissue banks have therefore established a safety level approach for musculoskeletal tissue transplants, which includes donor selection, laboratory testing, tissue procurement, tissue processing, tissue storage and quality assurance...
November 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29046881/nmnat3-is-protective-against-the-effects-of-neonatal-cerebral-hypoxia-ischemia
#18
Rafael Galindo, Marianne Banks Greenberg, Toshiyuki Araki, Yo Sasaki, Nehali Mehta, Jeffrey Milbrandt, David M Holtzman
OBJECTIVE: To determine whether the NAD+ biosynthetic protein, nicotinamide mononucleotide adenylyltransferase-3 (NMNAT3), is a neuroprotective inducible enzyme capable of decreasing cerebral injury after neonatal hypoxia-ischemia (H-I) and reducing glutamate receptor-mediated excitotoxic neurodegeneration of immature neurons. METHODS: Using NMNAT3-overexpressing mice we investigated whether increases in brain NMNAT3 reduced cerebral tissue loss following H-I. We then employed biochemical methods from injured neonatal brains to examine the inducibility of NMNAT3 and the mechanism of NMNAT3-dependent neuroprotection...
October 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29045706/kidney-injury-molecule-1-staining-in-renal-allograft-biopsies-10-days-after-transplantation-is-inversely-correlated-with-functioning-proximal-tubular-epithelial-cells
#19
Jonna R Bank, Pieter van der Pol, Dianne Vreeken, Catherine Monge-Chaubo, Ingeborg M Bajema, Nicole Schlagwein, Daniëlle J van Gijlswijk, Sandra W van der Kooij, Marlies E J Reinders, Johan W de Fijter, Cees van Kooten
Background: Kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) are promising biomarkers for monitoring delayed graft function (DGF) after kidney transplantation. Here we investigated localization and distribution of KIM-1 and NGAL staining in renal allograft biopsies and studied their association with histological features, functional DGF (fDGF) and the tubular function slope (TFS), a functioning proximal tubular epithelial cell (PTEC) marker. Methods: Day 10 protocol biopsies of 64 donation after circulatory death recipients were stained for KIM-1 and NGAL and the positive area was quantified using ImageJ software...
October 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29043399/immunohistochemical-evaluation-of-molecular-radiotherapy-target-expression-in-neuroblastoma-tissue
#20
Jennifer E Gains, Neil J Sebire, Veronica Moroz, Keith Wheatley, Mark N Gaze
PURPOSE: Neuroblastoma may be treated with molecular radiotherapy, (131)I meta-Iodobenzylguanidine and (177)Lu Lutetium DOTATATE, directed at distinct molecular targets: Noradrenaline Transporter Molecule (NAT) and Somatostatin Receptor (SSTR2), respectively. This study used immunohistochemistry to evaluate target expression in archival neuroblastoma tissue, to determine whether it might facilitate clinical use of molecular radiotherapy. METHODS: Tissue bank samples of formalin fixed paraffin embedded neuroblastoma tissue from patients for whom clinical outcome data were available were sectioned and stained with haematoxylin and eosin, and monoclonal antibodies directed against NAT and SSTR2...
October 17, 2017: European Journal of Nuclear Medicine and Molecular Imaging
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