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https://www.readbyqxmd.com/read/28102936/unbiased-and-quantitative-proteomics-reveals-highly-increased-angiogenesis-induction-by-the-secretome-of-mesenchymal-stromal-cells-isolated-from-fetal-rather-than-adult-skin
#1
Massimiliano Gaetani, Cinzia Maria Chinnici, Anna Paola Carreca, Claudia Di Pasquale, Giandomenico Amico, Pier Giulio Conaldi
Scarless wound healing and functional regeneration are typical processes of the fetus, gradually lost during post-natal life, and maximally attributed to fetal skin tissue and induced by fetal skin fibroblasts. The latter have been successfully applied to post-natal wounds, with clear advantages compared with autologous dermis grafts or adult fibroblast applications. Our goal was to functionally identify and uncover key factors and mechanisms through the analysis of secretomes, the principal players in all cell therapies based on mesenchymal stromal cells (MSCs)...
January 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28100625/the-ptpn14-tumour-suppressor-is-a-degradation-target-of-human-papillomavirus-e7
#2
Anita Szalmás, Vjekoslav Tomaić, Om Basukala, Paola Massimi, Suruchi Mittal, József Kónya, Lawrence Banks
: Activation of signalling pathways ensuring cell growth are essential for the proliferative competence of human papillomavirus (HPV)-infected cells. Tyrosine kinases and phosphatases are key regulators of cellular growth control pathways. A recently identified potential cellular target of HPV E7 is the cytoplasmic protein tyrosine phosphatase PTPN14, which is a potential tumour suppressor and is linked to the control of the Hippo and Wnt/beta-catenin signalling pathways. In this study we show that the E7 proteins of both high-risk and low-risk mucosal HPV types can interact with PTPN14...
January 18, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28100602/find-tuberculosis-strain-bank-a-resource-for-researchers-and-developers-working-on-tests-to-detect-mycobacterium-tuberculosis-and-related-drug-resistance
#3
Belay Tessema, Pamela Nabeta, Eloise Valli, Audrey Albertini, Jimena Collantes, Nguyen Huu Lan, Elena Romancenco, Nestani Tukavdze, Claudia M Denkinger, David L Dolinger
BACKGROUND: The spread of multidrug-resistant tuberculosis and extensively drug-resistant TB hampers the global efforts in the fight against tuberculosis. To enhance the development and evaluation of diagnostic tests quickly and efficiently, well characterized strains and samples from drug resistant tuberculosis patients are necessary. In this project, FIND has focused on the collection, characterization and storage of such well-characterized reference materials and to make them available to researchers and developers...
January 18, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28100496/preexisting-immunity-not-frailty-phenotype-predicts-influenza-post-vaccination-titers-among-older-veterans
#4
Puja Van Epps, Terrence Tumpey, Melissa B Pearce, Hana Golding, Patricia Higgins, Thomas Hornick, Christopher Burant, Brigid M Wilson, Richard Banks, Stefan Gravenstein, David H Canaday
Both preexisting immunity to influenza and age have been shown to be a correlate of influenza vaccine response. Frailty, an indicator of functional impairment in older adults, has also been shown in one study to predict lower influenza vaccine responses among non-veterans. In the current study we aimed to determine the association between frailty, preexisting immunity and immune response to influenza vaccine in older veterans. We analyzed 117 subjects (age range 62-95 years; median 81) divided into 3 cohorts based on the Fried frailty test: non-frail (NF: N=23; median age 68), pre-frail (PF: N=50; median age 80) and frail (F:N=44; median age 82) during the 2010-2011 and 11-12 influenza seasons...
January 18, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28100266/arranging-blood-for-elective-thyroid-surgeries-dilemma-continues-in-the-developing-world
#5
Salman Faridi, Aman Ahmad, Mirza Arshad Beg, Faisal Siddiqui, Muhammad Muzzammil Edhi, Mehmood Khan
BACKGROUND: Cross matched blood is frequently ordered based on a subjective anticipation of blood loss for a procedure. Excessive blood arrangement and wastage overburdens the blood bank in terms of work load and storage of blood, increases cost of medical care and results in injudicious use of a limited resource. The aim of this short report is to assess the current practice for arranging cross matched blood in elective thyroid surgeries by comparing cross match to blood transfused ratio...
January 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28099256/diagnosis-of-chronic-pancreatitis-incorporating-endosonographic-features-demographics-and-behavioral-risk
#6
Linda S Lee, Ying P Tabak, Vivek Kadiyala, Xiaowu Sun, Shadeah Suleiman, Richard S Johannes, Peter A Banks, Darwin L Conwell
OBJECTIVES: Diagnosing chronic pancreatitis remains challenging. Endoscopic ultrasound (EUS) is utilized to evaluate pancreatic disease. Abnormal pancreas function test is considered the "nonhistologic" criterion standard for chronic pancreatitis. We derived a prediction model for abnormal endoscopic pancreatic function test (ePFT) by enriching EUS findings with patient demographic and pancreatitis behavioral risk characteristics. METHODS: Demographics, behavioral risk characteristics, EUS findings, and peak bicarbonate results were collected from patients evaluated for pancreatic disease...
January 18, 2017: Pancreas
https://www.readbyqxmd.com/read/28098018/-don-t-be-afraid-to-push-at-doors
#7
(no author information available yet)
Alison Twycross started her nursing career in 1981, volunteering at a local hospice while doing her A levels. A registered adult, mental health and children's nurse, she has worked in nurse education for 21 years and is professor and head of children's nursing at London South Bank University. Ms Twycross has edited three books on research related to managing pain in children, and is the editor of the RCNi journal Evidence-Based Nursing.
January 18, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28097705/non-polar-lipids-accumulate-during-storage-of-transfusion-products-and-do-not-contribute-to-the-onset-of-transfusion-related-acute-lung-injury
#8
A L Peters, M A T Vervaart, R van Bruggen, D de Korte, R Nieuwland, W Kulik, A P J Vlaar
BACKGROUND AND OBJECTIVES: The accumulation of non-polar lipids arachidonic acid, 5-hydroxyeicosatetraenoic acid (HETE), 12-HETE and 15-HETE during storage of transfusion products may play a role in the onset of transfusion-related acute lung injury (TRALI), a syndrome of respiratory distress after transfusion. MATERIALS AND METHODS: We investigated non-polar lipid accumulation in red blood cells (RBCs) stored for 42 days, plasma stored for 7 days at either 4 or 20°C and platelet (PLT) transfusion products stored for 7 days...
January 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28097426/functional-diversity-increases-ecological-stability-in-a-grazed-grassland
#9
Lauren M Hallett, Claudia Stein, Katharine N Suding
Understanding the factors governing ecological stability in variable environments is a central focus of ecology. Functional diversity can stabilize ecosystem function over time if one group of species compensates for an environmentally driven decline in another. Although intuitively appealing, evidence for this pattern is mixed. We hypothesized that diverse functional responses to rainfall will increase the stability of vegetation cover and biomass across rainfall conditions, but that this effect depends on land-use legacies that maintain functional diversity...
January 17, 2017: Oecologia
https://www.readbyqxmd.com/read/28095288/cytomegalovirus-immunoglobulin-g-avidity-index-among-blood-donors-in-alexandria-egypt
#10
Aleya Abdel Gawad, Mona Hashish, Amani Abaza, Aisha El-Kayal
BACKGROUND: Transfusion transmitted diseases (TTD) are a major challenge to transfusion services all over the world. Cytomegalovirus (CMV) is considered one of the main viruses associated with blood transfusion. As CMV screening is not included in routine screening tests done for donated blood in blood banks in Egypt, the detection of CMV Immunoglobulin G (IgG) avidity needs to be tested for being a useful tool to diagnose recent infection among blood donors. The aim of this work was to study CMV IgG avidity index (AI) among blood donors...
December 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28095050/the-expressions-of-klotho-family-genes-in-human-ocular-tissues-and-in-anterior-lens-capsules-of-age-related-cataract
#11
Yu Zhang, Liya Wang, Zhong Wu, Xiaolin Yu, Xiaofeng Du, Xiaohua Li
PURPOSE: Klotho genes are expressed in limited tissues and have been found to be a pathogenic factor of age-related diseases in mammals, but their expressions and functions in human eyes are yet to be defined. This study was performed to investigate the expression of Klotho family genes in human ocular tissues and anterior lens capsules of age-related cataract. METHODS: Individual tissues were isolated from human eyeballs collected from Henan Eye Bank. Human anterior lens capsules were collected from cortical cataract patients during phacoemulsification with the informed consent...
January 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28093783/maltreatment-increases-spontaneous-false-memories-but-decreases-suggestion-induced-false-memories-in-children
#12
Henry Otgaar, Mark L Howe, Peter Muris
We examined the creation of spontaneous and suggestion-induced false memories in maltreated and non-maltreated children. Maltreated and non-maltreated children were involved in a Deese-Roediger-McDermott false memory paradigm where they studied and remembered negative and neutral word lists. Suggestion-induced false memories were created using a misinformation procedure during which both maltreated and non-maltreated children viewed a negative video (i.e., bank robbery) and later received suggestive misinformation concerning the event...
January 17, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/28093611/a-highly-divergent-puumala-virus-lineage-in-southern-poland
#13
Ulrike M Rosenfeld, Stephan Drewes, Hanan Sheikh Ali, Edyta T Sadowska, Magdalena Mikowska, Gerald Heckel, Paweł Koteja, Rainer G Ulrich
Puumala virus (PUUV) represents one of the most important hantaviruses in Central Europe. Phylogenetic analyses of PUUV strains indicate a strong genetic structuring of this hantavirus. Recently, PUUV sequences were identified in the natural reservoir, the bank vole (Myodes glareolus), collected in the northern part of Poland. The objective of this study was to evaluate the presence of PUUV in bank voles from southern Poland. A total of 72 bank voles were trapped in 2009 at six sites in this part of Poland...
January 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28092685/precision-oncology-for-acute-myeloid-leukemia-using-a-knowledge-bank-approach
#14
Moritz Gerstung, Elli Papaemmanuil, Inigo Martincorena, Lars Bullinger, Verena I Gaidzik, Peter Paschka, Michael Heuser, Felicitas Thol, Niccolo Bolli, Peter Ganly, Arnold Ganser, Ultan McDermott, Konstanze Döhner, Richard F Schlenk, Hartmut Döhner, Peter J Campbell
Underpinning the vision of precision medicine is the concept that causative mutations in a patient's cancer drive its biology and, by extension, its clinical features and treatment response. However, considerable between-patient heterogeneity in driver mutations complicates evidence-based personalization of cancer care. Here, by reanalyzing data from 1,540 patients with acute myeloid leukemia (AML), we explore how large knowledge banks of matched genomic-clinical data can support clinical decision-making. Inclusive, multistage statistical models accurately predicted likelihoods of remission, relapse and mortality, which were validated using data from independent patients in The Cancer Genome Atlas...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092513/automatic-nuclear-segmentation-using-multi-scale-radial-line-scanning-with-dynamic-programming
#15
Hongming Xu, Cheng Lu, Richard Berendt, Naresh Jha, Mrinal Mandal
In the diagnosis of various cancers by analyzing histological images, automatic nuclear segmentation is an important step. However, nuclear segmentation is a difficult problem because of overlapping nuclei, inhomogeneous staining, and presence of noisy pixels and other tissue components. In this paper, we present an automatic technique for nuclear segmentation in skin histological images. The proposed technique first applies a bank of generalized Laplacian of Gaussian (gLoG) kernels to detect nuclear seeds...
January 9, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28090808/biomaterial-encapsulation-is-enhanced-in-the-early-stages-of-the-foreign-body-reaction-during-conditional-macrophage-depletion-in-transgenic-mafia-mice
#16
Ruud A Bank, Jurjen Zandstra, Hilde Room, Arjen H Petersen, Sander Maarten van Putten
Macrophages are pivotal cells during the foreign body reaction, as they orchestrate the pro-inflammatory microenvironment inside and around biomaterials by secretion of inflammatory mediators. Furthermore they are responsible for the degradation of biomaterials and are thought to instruct the fibroblasts that generate a fibrous capsule around implanted biomaterials. In this study we investigated the events during the FBR when macrophages are not present. Hexamethylenediisocyanate cross-linked collagen scaffolds were implanted in "Macrophage Fas-Induced Apoptosis" (MaFIA) mice, which allow "on demand" macrophage depletion...
January 15, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28090491/allelic-variance-among-abo-blood-group-genotypes-in-a-population-from-the-western-region-of-saudi-arabia
#17
Abdularahman B O Mohamed, Salwa Ibrahim Hindawi, Sameer Al-Harthi, Qamre Alam, Mohammad Zubair Alam, Absarul Haque, Waseem Ahmad, Ghazi A Damanhouri
BACKGROUND: Characterization of the ABO blood group at the phenotype and genotype levels is clinically essential for transfusion, forensics, and population studies. This study elucidated ABO phenotypes and genotypes, and performed an evaluation of their distribution in individuals from the western region of Saudi Arabia. METHODS: One-hundred and seven samples underwent standard serological techniques for ABO blood group phenotype analysis. ABO alleles and genotypes were identified using multiplex polymerase chain reaction, and electrophoretic analysis was performed to evaluate the highly polymorphic ABO locus...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28089577/neutralizing-anti-interleukin-1%C3%AE-antibodies-reduce-ischemia-related-interleukin-1%C3%AE-transport-across-the-blood-brain-barrier-in-fetal-sheep
#18
Aparna Patra, Xiaodi Chen, Grazyna B Sadowska, Jiyong Zhang, Yow-Pin Lim, James F Padbury, William A Banks, Barbara S Stonestreet
Hypoxic ischemic insults predispose to perinatal brain injury. Pro-inflammatory cytokines are important in the evolution of this injury. Interleukin-1β (IL-1β) is a key mediator of inflammatory responses and elevated IL-1β levels in brain correlate with adverse neurodevelopmental outcomes after brain injury. Impaired blood-brain barrier (BBB) function represents an important component of hypoxic-ischemic brain injury in the fetus. In addition, ischemia-reperfusion increases cytokine transport across the BBB of the ovine fetus...
January 9, 2017: Neuroscience
https://www.readbyqxmd.com/read/28089412/whaddaya-know-a-guide-to-uncertainty-and-subjectivity-in-structural-biology
#19
REVIEW
Joel P Mackay, Michael J Landsberg, Andrew E Whitten, Charles S Bond
The methods of structural biology, while powerful, are technically complex. Although the Protein Data Bank (PDB) provides a repository that allows anyone to download any structure, many users would not appreciate the caveats that should be considered when examining a structure. Here, we describe several key uncertainties associated with the application of X-ray crystallography, NMR spectroscopy, single-particle electron microscopy (SPEM), and small-angle scattering (SAS) to biological macromolecules. The take-home message is that structures are not absolute truths - they are models that fit the experimental data and therefore have uncertainty and subjectivity associated with them...
January 11, 2017: Trends in Biochemical Sciences
https://www.readbyqxmd.com/read/28088062/a-retrospective-audit-of-bacterial-culture-results-of-donated-human-milk-in-perth-western-australia
#20
Yahya Almutawif, Benjamin Hartmann, Megan Lloyd, Wendy Erber, Donna Geddes
INTRODUCTION: The bacterial content of donated human milk is either endogenous or introduced via contamination. Defining milk bank bacterial content will allow researchers to devise appropriate tests for significant and commonly encountered organisms. OBJECTIVE: A retrospective audit was conducted on data recorded from the Perron Rotary Express Milk Bank, King Edward Memorial Hospital, Subiaco, Western Australia. This aimed to describe the incidence of bacterial species detected in donated human milk and to identify potentially pathogenic bacteria...
January 11, 2017: Early Human Development
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