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https://www.readbyqxmd.com/read/29149849/biobanking-in-israel-2016-17-expressed-perceptions-versus-real-life-enrollment
#1
Gideon Koren, Daniella Beller, Daphna Laifenfeld, Iris Grossman, Varda Shalev
BACKGROUND: As part of the preparations to establish a population-based biobank in a large Israeli health organization, we aimed to investigate through focus groups the knowledge, perceptions and attitudes of insured Israelis, toward biobanking, and then, after input from focus groups' participants, to empirically assess the impact of a revised recruitment process on recruitment rates. METHODS: 1) Six Focus group discussions were conducted (n = 10 per group) with individuals who had routine blood laboratory tests taken in the last 2 years...
November 17, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/29145879/allogeneic-mesenchymal-stem-cell-as-induction-therapy-to-prevent-both-delayed-graft-function-and-acute-rejection-in-deceased-donor-renal-transplantation-study-protocol-for-a-randomized-controlled-trial
#2
Qipeng Sun, Liangqing Hong, Zhengyu Huang, Ning Na, Xuefeng Hua, Yanwen Peng, Ming Zhao, Ronghua Cao, Qiquan Sun
BACKGROUND: Using kidneys from deceased donors is an available strategy to meet the growing need of grafts. However, higher incidences of delayed graft function (DGF) and acute rejection exert adverse effects on graft outcomes. Since ischemia-reperfusion injury (IRI) and ongoing process of immune response to grafts are the major causes of DGF and acute rejection, the optimal induction intervention should possess capacities of both repairing renal structure injury and suppressing immune response simultaneously...
November 16, 2017: Trials
https://www.readbyqxmd.com/read/29145594/wellbeing-of-gay-fathers-with-children-born-through-surrogacy-a-comparison-with-lesbian-mother-families-and-heterosexual-ivf-parent-families
#3
L Van Rijn-van Gelderen, H W M Bos, T D Jorgensen, K Ellis-Davies, A Winstanley, S Golombok, B Rubio, M Gross, O Vecho, M E Lamb
STUDY QUESTION: Are there differences in levels of parental wellbeing (parental stress, psychological adjustment and partner relationship satisfaction) between gay-father families with infants born through surrogacy, lesbian-mother families with infants born through donor insemination, and heterosexual-parent families with infants born through IVF? SUMMARY ANSWER: There were no differences in parental wellbeing. WHAT IS KNOWN ALREADY: The only other study of parental wellbeing in gay-father families formed through surrogacy (mean age children: 4 years old) found no difference in couple relationship satisfaction between these families and lesbian-mother families formed through donor insemination and heterosexual-parent families formed without assisted reproductive technologies...
November 14, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29140561/interaction-among-smoking-status-single-nucleotide-polymorphisms-and-markers-of-systemic-inflammation-in-healthy-individuals
#4
Thitiya Luetragoon, Lars Erik Rutqvist, Orathai Tangvarasittichai, Bengt-Åke Andersson, Sture Löfgren, Kanchana Usuwanthim, Nongnit Laytragoon Lewin
Cigarette smoke contains toxic and carcinogenic substances that contribute to the development of cancer and various diseases. Genetic variation might be important because not all smokers develop smoking-related disease. The current study addressed the possible interactions among selected single nucleotide polymorphisms (SNPs) in genes related to systemic inflammation, smoking status, the levels of circulating immune response cells and plasma biomarkers of systemic inflammation. Sixty-four healthy blood donors were recruited, of whom 31 were current smokers and 33 were never-users of tobacco products, references...
November 15, 2017: Immunology
https://www.readbyqxmd.com/read/29133280/mat2a-promotes-porcine-adipogenesis-by-mediating-h3k27me3-at-wnt10b-locus-and-repressing-wnt-%C3%AE-catenin-signaling
#5
Cunzhen Zhao, Haigang Wu, Naren Qimuge, Weijun Pang, Xiao Li, Guiyan Chu, Gongshe Yang
Methionine adenosyltransferase (MAT) is a critical biological enzyme and that can catalyze L-met and ATP to form S-adenosylmethionine (SAM), which is acted as a biological methyl donor in transmethylation reactions involving histone methylation. However, the regulatory effect of methionine adenosyltransferase2A (MAT2A) and its associated methyltransferase activity on adipogenesis is still unclear. In this study, we investigate the effect of MAT2A on adipogenesis and its potential mechanism on histone methylation during porcine preadipocyte differentiation...
November 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29132985/validation-of-kdri-kdpi-for-the-selection-of-expanded-criteria-kidney-donors
#6
Juan Antonio Retamero Díaz, Mercedes Cava Molina, Belen M Cobacho Tornel, Juan Bravo Soto, Antonio Osuna Ortega, Francisco O'Valle Ravassa, Raimundo García Del Moral Garrido
INTRODUCTION: KDRI / KDPI are tools use in kidney donor evaluation. It has been proposed as a substitute of, or complementary to preimplantation renal biopsy. These scores has not been validated in Spain. OBJECTIVE: 1) To investigate the concordance between KDPI and histological scores (preimplantation renal biopsy) and 2) To assess the relationship between KDRI, KDPI and histological score on graft survival in the expanded criteria donors group. METHODOLOGY: Retrospective cohort study from 1 January 1998 until 31 December 2010...
November 10, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29116657/international-validation-of-the-european-organisation-for-research-and-treatment-of-cancer-qlq-brecon23-quality-of-life-questionnaire-for-women-undergoing-breast-reconstruction
#7
Z E Winters, M Afzal, C Rutherford, B Holzner, G Rumpold, R A da Costa Vieira, S Hartup, K Flitcroft, V Bjelic-Radisic, A Oberguggenburger, M Panouilleres, M Mani, G Catanuto, M Douek, J Kokan, P Sinai, M T King
BACKGROUND: The aim was to carry out phase 4 international field-testing of the European Organisation for Research and Treatment of Cancer (EORTC) breast reconstruction (BRECON) module. The primary objective was finalization of its scale structure. Secondary objectives were evaluation of its reliability, validity, responsiveness, acceptability and interpretability in patients with breast cancer undergoing mastectomy and reconstruction. METHODS: The EORTC module development guidelines were followed...
November 8, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/29110558/being-a-donor-child-wishes-for-parental-support-peer-support-and-counseling
#8
Anne Schrijvers, Henny Bos, Floor van Rooij, Trudie Gerrits, Fulco van der Veen, Monique Mochtar, Marja Visser
OBJECTIVES: We aimed at exploring the wishes of Dutch donor-conceived offspring for parental support, peer support and counseling and sought to contribute to the improvement of health care for all parties involved with assisted reproductive technologies. METHODS: We held semi-structured in-depth interviews with 24 donor-conceived offspring (Mage = 26.9, range 17-41) born within father-mother, two-mother and single mother families. The majority of the donor offspring was conceived with semen of anonymous donors...
November 7, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29106732/a-systematic-review-of-incentives-in-blood-donation
#9
Kathleen Chell, Tanya E Davison, Barbara Masser, Kyle Jensen
BACKGROUND: Incentives are often used to enhance the effectiveness of recruitment and retention campaigns targeting blood donors. However, the degree to which incentives succeed in attracting and facilitating repeat donation is unclear. A systematic literature review, following PRISMA guidelines, investigated the existing empirical evidence regarding the use of monetary and nonmonetary incentives within blood donation. STUDY DESIGN AND METHODS: A comprehensive search of relevant databases identified a total of 71 papers for inclusion in the review for defining and operationalizing incentives (Objective 1), of which nine papers empirically investigated attitudes toward incentives (Objective 2), 31 papers investigated the impact on blood donation behavior (Objective 3), and eight papers investigated the impact on blood safety (Objective 4)...
November 6, 2017: Transfusion
https://www.readbyqxmd.com/read/29094748/current-status-of-bone-regeneration-using-adipose-derived-stem-cells
#10
REVIEW
Satoshi Tajima, Morikuni Tobita, Hiroshi Mizuno
Many bone regeneration therapies have been developed for clinical use and have variable outcomes and serious limitations. The goal of bone regeneration is to repair a bone defect in a stable and durable manner. Cellular strategies play an important role in bone tissue engineering. Clinical factors important for successful bone regeneration are the recruitment of cells to the defect site and the production of a suitable extracellular matrix consistent with bone tissues. Adipose-derived stem cells (ASCs) can be obtained in large quantities with little donor site morbidity or patient discomfort...
November 2, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29090350/longer-ischemic-time-is-associated-with-increased-ventricular-stiffness-as-measured-by-pressure-volume-loop-analysis-in-pediatric-heart-transplant-recipients
#11
Luke W Schroeder, Shahryar M Chowdhury, Ali L Burnette, Minoo N Kavarana, G Hamilton Baker, Andrew J Savage, Andrew M Atz, Ryan J Butts
BACKGROUND: The purpose of this study was to investigate the associations between clinical factors and cardiac function as measured by pressure-volume loops (PVLs) in a pediatric heart transplant cohort. METHODS: Patients (age < 20 years) who underwent heart transplantation presenting for a clinically indicated catheterization were enrolled. PVLs were recorded using microconductance catheters (CD Leycom(®), Zoetermeer, Netherlands). Demographic data, serum B-type natriuretic peptide (BNP), time from transplant, ischemic time, presence of transplant coronary artery disease, donor-specific antibodies, and history of rejection were recorded at the time of catheterization...
October 31, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29074725/adipose-tissue-macrophages-induce-hepatic-neutrophil-recruitment-and-macrophage-accumulation-in-mice
#12
Mitchell Bijnen, Tatjana Josefs, Ilona Cuijpers, Constantijn J Maalsen, José van de Gaar, Maria Vroomen, Erwin Wijnands, Sander S Rensen, Jan Willem M Greve, Marten H Hofker, Erik A L Biessen, Coen D A Stehouwer, Casper G Schalkwijk, Kristiaan Wouters
OBJECTIVE: Obesity is a risk factor for non-alcoholic steatohepatitis (NASH). This risk has been attributed to visceral adipose tissue (vAT) expansion associated with increased proinflammatory mediators. Accumulation of CD11c(+) proinflammatory adipose tissue macrophages (ATM) is an important driver of vAT inflammation. We investigated the role of ATMs in hepatic inflammation during NASH development. DESIGN: vAT isolated from lean, obese or ATM-depleted (using clodronate liposomes) obese mice was transplanted to lean ldlr(-/-) acceptor mice...
October 26, 2017: Gut
https://www.readbyqxmd.com/read/29061223/association-between-donor-and-recipient-interleukin-18-gene-polymorphisms-and-the-risk-of-infection-after-liver-transplantation
#13
Bao-Jie Shi, Xiao-Yu Yu, Hao Li, Tong-Hai Xing, Jun-Wei Fan, Pei-Wen Wang, Zhi-Hai Peng, Lin Zhong
PURPOSE: The purpose of this study was to retrospectively evaluate the association between Interleukin-18 (IL-18) gene polymorphisms of the donor and recipient in liver transplant patients with bacterial infections. METHODS: Five single nucleotide polymorphisms (SNPs) (rs7106524, rs5744247, rs1946518, rs549908 and rs187238) of the IL-18 gene from the donors were genotyped and their association with post-operative bacterial infections was evaluated in liver transplant patients (N=113)...
October 19, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/29058593/brain-donation-in-psychiatry-results-of-a-dutch-prospective-donor-program-among-psychiatric-cohort-participants
#14
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/29052564/reference-intervals-of-mitochondrial-dna-copy-number-in-peripheral-blood-for-chinese-minors-and-adults
#15
Chang-Yu Xia, Yu Liu, Hui-Rong Yang, Hong-Yun Yang, Jing-Xia Liu, Yi-Nan Ma, Yu Qi
BACKGROUND: Mitochondrial DNA (mtDNA) content measured by different techniques cannot be compared between studies, and age- and tissue-related control values are hardly available. In the present study, we aimed to establish the normal reference range of mtDNA copy number in the Chinese population. METHODS: Two healthy cohorts of 200 Chinese minors (0.1-18.0 years) and 200 adults (18.0-88.0 years) were recruited. Then, they were further categorized into eight age groups...
October 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29046485/dimethyl-fumarate-increases-fetal-hemoglobin-provides-heme-detoxification-and-corrects-anemia-in-sickle-cell-disease
#16
Sriram Krishnamoorthy, Betty Pace, Dipti Gupta, Sarah Sturtevant, Biaoru Li, Levi Makala, Julia Brittain, Nancy Moore, Benjamin F Vieira, Timothy Thullen, Ivan Stone, Huo Li, William E Hobbs, David R Light
Sickle cell disease (SCD) results from a point mutation in the β-globin gene forming hemoglobin S (HbS), which polymerizes in deoxygenated erythrocytes, triggering recurrent painful vaso-occlusive crises and chronic hemolytic anemia. Reactivation of fetal Hb (HbF) expression ameliorates these symptoms of SCD. Nuclear factor (erythroid derived-2)-like 2 (Nrf2) is a transcription factor that triggers cytoprotective and antioxidant pathways to limit oxidative damage and inflammation and increases HbF synthesis in CD34+ stem cell-derived erythroid progenitors...
October 19, 2017: JCI Insight
https://www.readbyqxmd.com/read/29045076/outside-in-hla-class-i-signaling-regulates-icam-1-clustering-and-endothelial-monocyte-interactions-via-mtor-in-transplant-antibody-mediated-rejection
#17
Sahar Salehi, Rebecca A Sosa, Yi-Ping Jin, Shoichi Kageyama, Michael C Fishbein, Enrique Rozengurt, Jerzy W Kupiec-Weglinski, Elaine F Reed
Antibody-mediated rejection (AMR) resulting in transplant allograft vasculopathy (TAV) is the major obstacle for long-term survival of solid organ transplants. AMR is caused by donor-specific antibodies to HLA which contribute to TAV by initiating outside-in signaling transduction pathways that elicit monocyte recruitment to activated endothelium. Mechanistic target of rapamycin (mTOR) inhibitors can attenuate TAV; therefore, we sought to understand the mechanistic underpinnings of mTOR signaling in HLA class I Ab-mediated endothelial cell activation and monocyte recruitment...
October 17, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29032634/prevalence-of-hepatitis-c-infection-and-its-associated-factors-in-healthy-adults-without-identifiable-route-of-transmission
#18
Ngai Sze Wong, Cheuk Kwong Lee, Siu Cheung Ng, Hoi Kei Wong, Denise P C Chan, Shui Shan Lee
While hepatitis C virus (HCV) infection is long known to be associated with parenteral exposure, the specific route of transmission is not identified in a proportion of infected patients. Taking blood donors as the surrogate of healthy adults in the community in Hong Kong, we identified 91 HCV infected donors (≤0.02% positive rate) in 2014-2016, of whom 46 were recruited in a mixed method study to examine their transmission routes. A majority (75%) of the recruited donors were HCV RNA positive, with the predominant subtypes being 1b and 6a...
October 15, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29030954/an-international-investigation-into-ab-plasma-administration-in-hospitals-how-many-ab-plasma-units-were-infused-the-habswin-study
#19
Michelle P Zeller, Rebecca Barty, Nancy M Dunbar, Allahna Elahie, Peter Flanagan, Henk Garritsen, José Mauro Kutner, Monica B Pagano, Ryszard Pogłód, Thomas S Rogers, Julie Staves, Maria van Wordragen-Vlaswinkel, Jaap Jan Zwaginga, Michael F Murphy, Nancy M Heddle, Mark H Yazer
BACKGROUND: Typical practice is to transfuse group-specific plasma units; however, there are situations where group AB plasma (universal donor) is issued to group A, B, or O recipients. If demand for group AB plasma exceeds collections, there is potential for shortage. This project explored the patterns of group AB plasma utilization at hospitals around the world. STUDY DESIGN AND METHODS: The study had two phases: a survey that inquired about hospital group AB plasma inventory, policies, and transfusion practices and a retrospective review of 2014 calendar year data where participants submitted information on plasma disposition including ABO group of unit and recipient, transfusion location, and select indications...
October 14, 2017: Transfusion
https://www.readbyqxmd.com/read/29030372/dose-dependent-effects-of-the-myosin-activator-omecamtiv-mecarbil-on-cross-bridge-behavior-and-force-generation-in-failing-human-myocardium
#20
Ranganath Mamidi, Jiayang Li, Kenneth S Gresham, Sujeet Verma, Chang Yoon Doh, Amy Li, Sean Lal, Cristobal G Dos Remedios, Julian E Stelzer
BACKGROUND: Omecamtiv mecarbil (OM) enhances systolic function in vivo by directly binding the myosin cross-bridges (XBs) in the sarcomere. However, the mechanistic details governing OM-induced modulation of XB behavior in failing human myocardium are unclear. METHODS AND RESULTS: The effects of OM on steady state and dynamic XB behavior were measured in chemically skinned myocardial preparations isolated from human donor and heart failure (HF) left ventricle. HF myocardium exhibited impaired contractile function as evidenced by reduced maximal force, magnitude of XB recruitment (Pdf), and a slowed rate of XB detachment (krel) at submaximal Ca(2+) activations...
October 2017: Circulation. Heart Failure
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