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https://www.readbyqxmd.com/read/29342313/collagen-xii-myopathy-with-rectus-femoris-atrophy-and-collagen-xii-retention-in-fibroblasts
#1
Nanna Witting, Thomas Krag, Ulla Werlauff, Morten Duno, Sofie Thuroe Oestergaard, Julia Rebecka Dahlqvist, John Vissing
INTRODUCTION: Mutation in the collagen XII gene (COL12A1) was recently reported to induce Bethlem myopathy. We describe a family affected by collagen XII-related myopathy in 3 generations. METHODS: Systematic interview, clinical examination, skin biopsies and MRI muscle. RESULTS: The phenotype was characterized by neonatal hypotonia, contractures and delayed motor development followed by resolution of contractures and a motor performance limited by reduced endurance...
January 17, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29338160/higher-activities-of-hepatic-versus-splenic-cd8-t-cells-in-responses-to-adoptive-t-cell-therapy-and-vaccination-of-b6-mice-with-mhc-class-1-binding-antigen
#2
Mohamed Labib Salem, Randa E El Naggar, Sabry A El Naggar, Maysa A Mobasher, Mohamed H Mahmoud, Gamal Badr
The liver has unique microenvironment which is known to induce tolerance of cytolytic CD8+ T cells to hepatic and extra hepatic antigens, resulting in persistence of infection of the liver by the hepatitis B and C viruses. However, under some conditions, functional immune responses can be elicited in the liver in particular to show preferential retention of activated CD8+ T cells. It is not clear whether this retention depends on the type of the exogenous immunostimulatory or the endogenous innate immune cells...
December 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29330282/population-dependent-intron-retention-and-dna-methylation-in-breast-cancer
#3
Dongwook Kim, Manu Shivakumar, Seonggyun Han, Michael S Sinclair, Youngji Lee, Yonglan Zheng, Olufunmilayo I Olopade, Dokyoon Kim, Younghee Lee
Regulation of gene expression by DNA methylation in gene promoter regions is well-studied; however, the effects of methylation in the gene body (exons and introns) on gene expression are comparatively understudied. Recently, hyper-methylation has been implicated in the inclusion of alternatively spliced exons; moreover, exon recognition can be enhanced by recruiting the methyl-CpG-binding protein (MeCP2) to hyper-methylated sites. This study examines if methylation status of an intron is correlated with how frequently the intron is retained during splicing using DNA methylation and RNA sequencing (RNA-seq) data from breast cancer tissue specimens in The Cancer Genome Atlas (TCGA)...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29282742/evaluation-of-the-impact-of-a-personalized-postdonation-short-messaging-service-on-the-retention-of-whole-blood-donors
#4
Carley N Gemelli, Alison Carver, Alana Garn, Stephen T Wright, Tanya E Davison
BACKGROUND: Short messaging service (SMS) is routinely used by blood collection agencies to remind donors about appointments but has been applied less frequently in interventions to increase return behavior. This study aimed to investigate whether receipt of a personalized postdonation SMS promoted donor retention. STUDY DESIGN AND METHODS: A postdonation SMS was sent to 2605 whole blood donors who had donated at one of six donor centers in Australia from April to July 2015 and left without making a forward appointment...
December 28, 2017: Transfusion
https://www.readbyqxmd.com/read/29281129/electronic-messaging-and-communication-with-living-kidney-donors
#5
Jessica M Ruck, Sheng Zhou, Alvin G Thomas, Shannon L Cramm, Allan B Massie, John R Montgomery, Jonathan C Berger, Macey L Henderson, Dorry L Segev
New regulations require living kidney donor (LKD) follow-up for two years, but donor retention remains poor. Electronic communication (e.g. text messaging, e-mail) might improve donor retention. To explore the possible impact of electronic communication, we recruited LKDs to participate in an exploratory study of communication via telephone, e-mail, or text messaging post-donation; communication through this study was purely optional and did not replace standard follow-up. Of 69 LKDs recruited, 3% requested telephone call, 52% e-mail, and 45% text messaging...
December 27, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29277913/unrelated-donor-choices-for-allogeneic-hematopoietic-cell-transplantation-in-canada-an-evaluation-of-factors-influencing-donor-selection
#6
Valerie Greco-Stewart, Jeffrey Kiernan, Donna Killeen, Sherry Haun, Dena Mercer, Kimberly Young, Robert S Liwski, David S Allan
BACKGROUND: Utilization of unrelated donors and cord blood units (CBUs) for allogeneic hematopoietic cell transplantation continues to increase. Understanding the practices of donor selection by transplant centers is critical for unrelated donor registries and cord blood banks to optimize registry composition and inventory to meet patient need. STUDY DESIGN AND METHODS: Unrelated donor and CBU selection practices of Canadian transplant centers served by Canadian Blood Services' OneMatch Stem Cell & Marrow Network (OM) were reviewed, including HLA match level, locus of disparity, age, sex, and product choice (donor vs...
December 25, 2017: Transfusion
https://www.readbyqxmd.com/read/29243265/what-motivates-men-to-donate-blood-a-systematic-review-of-the-evidence
#7
REVIEW
A Carver, K Chell, T E Davison, B M Masser
BACKGROUND AND OBJECTIVES: Effective recruitment and retention of male donors are vital for the ongoing provision of blood products. Compared with females, male donors are less likely to be medically deferred or experience vasovagal reactions and are typically preferred for plasmapheresis donation in voluntary non-remunerated settings. However, females outnumber males among donors aged under 40 years. This systematic review aimed to synthesize evidence and identify key motivators for blood donation among males to inform targeted recruitment/retention campaigns...
December 15, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29223868/recirculation-of-gas-emissions-to-achieve-advanced-denitrification-of-the-effluent-from-the-anaerobic-treatment-of-domestic-wastewater
#8
L Pelaz, A Gómez, G Garralón, A Letona, M Fdz-Polanco
A denitrifying pilot plant was designed, constructed and operated for more than five months. The plant treated domestic wastewater with high ammonium nitrogen concentration, which had previously undergone an anaerobic process at 18 °C. The process consisted of one biofilter with 2 h of hydraulic retention time for denitritation. Different synthetic nitrite concentrations were supplied to the anoxic reactor to simulate the effluent of a nitritation process. This work investigates the advanced denitritation of wastewater using the organic matter and other alternative electron donors present in an anaerobic treatment process effluent: methane and sulfide...
December 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29216711/electrocatalytic-reduction-of-dioxygen-to-hydrogen-peroxide-by-a-molecular-manganese-complex-with-a-bipyridine-containing-schiff-base-ligand
#9
Shelby Hooe, Arnold L Rheingold, Charles W Machan
The synthesis and electrocatalytic reduction of dioxygen by a molecular manganese (III) complex with a tetradentate dianionic bipyridine-based ligand is reported. Electrochemical characterization suggests that upon reduction to Mn(II), the coordinated phenolate moieties of the ligand are protonated with a Nernstian dependence on the added proton source, allowing protons and electrons to be incorporated into the overall complex with retention of a vacant axial coordination site. The resultant species is competent for the reduction of dioxygen to H2O2 with 81±4% Faradaic efficiency...
December 8, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29209333/inhibition-of-acute-graft-versus-host-disease-with-retention-of-graft-versus-tumor-effects-by-dimethyl-fumarate
#10
Jingjing Han, Shoubao Ma, Huanle Gong, Shuangzhu Liu, Lei Lei, Bo Hu, Yang Xu, Haiyan Liu, Depei Wu
Acute graft-versus-host disease (aGVHD) remains a clinical challenge and a major source of morbidity and mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT). Dimethyl fumarate (DMF), an activator of Nrf2, has been shown to have anti-inflammatory and immunomodulatory properties without significant immunosuppression. We therefore hypothesized that DMF could be potentially harnessed for the treatment of aGVHD with retention of graft-versus-tumor effect. In this study, we showed that DMF significantly inhibited alloreactive T cell responses in vitro in mixed lymphocyte reaction assay...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29196079/burnout-moral-distress-work-life-balance-and-career-satisfaction-among-hematopoietic-cell-transplantation-professionals
#11
Joyce L Neumann, Lih-Wen Mau, Sanya Virani, Ellen M Denzen, Deborah A Boyle, Nancy J Boyle, Jane Dabney, Alexandra De KeselLofthus, Marion Kalbacker, Tippu Khan, Navneet S Majhail, Elizabeth A Murphy, Pamela Paplham, Leslie Parran, Miguel-Angel Perales, Todd H Rockwood, Kim Schmit-Pokorny, Tait D Shanafelt, Elaine Stenstrup, William A Wood, Linda J Burns
BACKGROUND: A projected shortage of hematopoietic cell transplantation (HCT) health professionals was identified as a major issue during the National Marrow Donor Program (NMDP)/Be The Match System Capacity Initiative. Work-related distress and work-life balance were noted to be potential barriers to recruitment/retention. This study examined these barriers and their association with career satisfaction across HCT disciplines. METHODS: A cross-sectional, 90-item, web-based survey was administered to advanced practice providers (APP), nurses, physicians, pharmacists, and social workers in 2015...
November 28, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29188402/development-and-characterisation-of-a-large-diameter-decellularised-vascular-allograft
#12
A Aldridge, A Desai, H Owston, L M Jennings, J Fisher, P Rooney, J N Kearney, E Ingham, S P Wilshaw
The aims of this study were to develop a biological large diameter vascular graft by decellularisation of native human aorta to remove the immunogenic cells whilst retaining the essential biomechanical, and biochemical properties for the ultimate benefit of patients with infected synthetic grafts. Donor aortas (n = 6) were subjected to an adaptation of a propriety decellularisation process to remove the cells and acellularity assessed by histological analysis and extraction and quantification of total DNA...
November 29, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/29187812/adrenomedullin-contributes-to-age-related-memory-loss-in-mice-and-is-elevated-in-aging-human-brains
#13
Ignacio M Larrayoz, Hilda Ferrero, Eva Martisova, Francisco J Gil-Bea, María J Ramírez, Alfredo Martínez
Memory decline is common in elderly individuals and is the hallmark of Alzheimer's disease (AD). Memory failure follows the loss of synaptic contacts in the cerebral cortex and hippocampus, caused in part by cytoskeleton disruption. Adrenomedullin (AM) and its gene-related peptide, proadrenomedullin N-terminal 20 peptide (PAMP), are microtubule-associated proteins (MAP) whose expression has been identified as a potential biomarker for predicting progression from predementia to clinical AD. Here we analyze the connection between AM levels and memory preservation...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29173534/canine-neutrophils-activate-effector-mechanisms-in-response-to-leishmania-infantum
#14
REVIEW
Maria Pereira, Ana Valério-Bolas, David Santos-Mateus, Graça Alexandre-Pires, Marcos Santos, Armanda Rodrigues, Hugo Rocha, Ana Santos, Catarina Martins, Ana Tomas, Filipe Passero, Isabel Pereira da Fonseca, Gabriela Santos-Gomes
Canine leishmaniosis caused by L. infantum is a severe zoonotic disease. Although macrophages are the definitive host cells, neutrophils are the first cells to encounter the parasite soon after its inoculation in the dermis by the phlebotomine vector. To study the interaction of dog neutrophils and L. infantum promastigotes, blood neutrophils were isolated from healthy donors and the infection was established in vitro. In the majority of the dogs, L. infantum was efficiently phagocytized by neutrophils, and oxidative (superoxide production) and non-oxidative (neutrophil elastase exocytosis) intracellular effector mechanisms were activated, but the release of neutrophil extracellular traps was minimized...
December 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29164313/genome-wide-analysis-of-a-recently-active-retrotransposon-au-sine-in-wheat-content-distribution-within-subgenomes-and-chromosomes-and-gene-associations
#15
Danielle Keidar, Chen Doron, Khalil Kashkush
Here, we show that Au SINE elements have strong associations with protein-coding genes in wheat. Most importantly Au SINE insertion within introns causes allelic variation and might induce intron retention. The impact of transposable elements (TEs) on genome structure and function is intensively studied in eukaryotes, especially in plants where TEs can reach up to 90% of the genome in some cases, such as in wheat. Here, we have performed a genome-wide in-silico analysis using the updated publicly available genome draft of bread wheat (T...
November 21, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29154977/polymer-nitric-oxide-donors-potentiate-the-treatment-of-experimental-solid-tumours-by-increasing-drug-accumulation-in-the-tumour-tissue
#16
M Studenovsky, L Sivak, O Sedlacek, R Konefal, V Horkova, T Etrych, M Kovar, B Rihova, M Sirova
The delivery of nitric oxide (NO) specifically to solid tumours was explored in this study as a strategy to augment the passive accumulation of nanomedicines in tumours induced by the Enhanced Permeability and Retention (EPR) effect. An increase in accumulation was achieved by the binding of the chemical precursor of NO, based on an organic nitrate, to a water-soluble synthetic polymer drug carrier. Four structurally different N-(2-hydroxypropyl)methacrylamide (HPMA)-based polymer NO donors were synthesized...
November 15, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29149965/comparision-of-ureteral-stent-colonization-between-deceased-and-live-donor-renal-transplant-recipients
#17
M Sarier, D Seyman, S Tekin, I Duman, B Uygun, M Demir, E Kukul, A H Yavuz
BACKGROUND: The use of a ureteral stent can cause a urinary tract infection (UTI), although it reduces urologic complications. UTIs are associated with a higher rate of ureteral stent colonization (USC). The aim of this study was to compare USC in living and deceased donor renal transplant recipients. MATERIAL AND METHODS: We conducted a prospective study of 48 patients who underwent renal transplantation between January and December 2016. The stents were removed aseptically, the inner surface of proximal and distal ends of stents were irrigated with liquid culture medium, and then they were vortexed for bacteriological investigation...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29148749/glycosyl-cross-coupling-of-anomeric-nucleophiles-scope-mechanism-and-applications-in-the-synthesis-of-aryl-c-glycosides
#18
Feng Zhu, Jacob Rodriguez, Tianyi Yang, Ilia Kevlishvili, Eric Miller, Duk Yi, Sloane O'Neill, Michael Rourke, Peng Liu, Maciej A Walczak
Stereoselective manipulations at the C1 anomeric position of saccharides are one of the central goals of preparative carbohydrate chemistry. Historically, the majority of reactions forming a bond with anomeric carbon has focused on reactions of nucleophiles with saccharide donors equipped with a leaving group. Here, we describe a novel approach to stereoselective synthesis of C-aryl glycosides capitalizing on the highly stereospecific reaction of anomeric nucleophiles. First, methods for the preparation of anomeric stannanes have been developed and optimized to afford both anomers of common saccharides in high anomeric selectivities...
November 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29141214/partitioning-of-one-carbon-units-in-folate-and-methionine-metabolism-is-essential-for-neural-tube-closure
#19
Kit-Yi Leung, Yun Jin Pai, Qiuying Chen, Chloe Santos, Enrica Calvani, Sonia Sudiwala, Dawn Savery, Markus Ralser, Steven S Gross, Andrew J Copp, Nicholas D E Greene
Abnormal folate one-carbon metabolism (FOCM) is implicated in neural tube defects (NTDs), severe malformations of the nervous system. MTHFR mediates unidirectional transfer of methyl groups from the folate cycle to the methionine cycle and, therefore, represents a key nexus in partitioning one-carbon units between FOCM functional outputs. Methionine cycle inhibitors prevent neural tube closure in mouse embryos. Similarly, the inability to use glycine as a one-carbon donor to the folate cycle causes NTDs in glycine decarboxylase (Gldc)-deficient embryos...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29131594/primary-amine-clustered-dna-aptamer-for-dna-protein-conjugation-catalyzed-by-microbial-transglutaminase
#20
Mari Takahara, Rie Wakabayashi, Kosuke Minamihata, Masahiro Goto, Noriho Kamiya
DNA-protein conjugates are promising biomolecules for use in areas ranging from therapeutics to analysis because of the dual functionalities of DNA and protein. Conjugation requires site-specific and efficient covalent bond formation without impairing the activity of both biomolecules. Herein, we have focused on the use of a microbial transglutaminase (MTG) that catalyzes the cross-linking reaction between a glutamine residue and a primary amine. In a model bioconjugation, a highly MTG-reactive Gln (Q)-donor peptide (FYPL<u>Q</u>MRG, FQ) was fused to enhanced green fluorescent protein (FQ-EGFP) and a primary amine-clustered DNA aptamer was enzymatically synthesized as a novel acyl-acceptor substrate of MTG, whose combination leads to efficient and convenient preparation of DNA-protein conjugates with high purity...
November 13, 2017: Bioconjugate Chemistry
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