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https://www.readbyqxmd.com/read/29330974/nucleic-acid-amplification-test-for-detection-of-west-nile-virus-infection-in-pakistani-blood-donors
#1
Saifullah Khan Niazi, Maqbool Alam, Muhammad Sajid Yazdani, Eijaz Ghani, Muhammad Ali Rathore
BACKGROUND: The study was planned to determine the presence of West Nile Virus (WNV) infection in Pakistani blood donors, using Nucleic Acid Amplification Test (NAT). METHODS: The blood donors for study were selected on the basis of the standard questionnaire and routine screening results. Six donors were pooled using an automated pipettor and NAT for WNV was performed on Roche Cobas s 201 NAT system. The reactive pools were resolved in Individual Donation-NAT (ID-NAT) format and a sample from FFP bags of reactive donations was retrieved...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330927/defined-serum-free-medium-for-bioreactor-culture-of-an-immortalized-human-erythroblast-cell-line
#2
Esmond Lee, Zhong Ri Lim, Hong Yu-Chen, Bin Xia Yang, Alan Tin-Lun Lam, Allen Kuan-Liang Chen, Jaichandran Sivalingam, Shaul Reuveny, Yuin-Han Loh, Steve Kah-Weng Oh
Anticipated shortages in donated blood supply have prompted investigation of alternative approaches for in-vitro production of red blood cells (RBCs), such as expansion of conditional immortalization erythroid progenitors. However, there is a bioprocessing challenge wherein factors promoting maximal cell expansion and growth-limiting inhibitory factors are yet to be investigated. We used an erythroblast cell line (ImEry) derived from immortalizing CD71+CD235a+ erythroblast from adult peripheral blood for optimization of expansion culture conditions...
January 13, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29328972/establishment-of-tusmi003-a-an-induced-pluripotent-stem-cell-ipsc-line-from-a-62-year-old-chinese-han-patient-with-alzheimer-s-disease-with-apoe3-4-genetic-background
#3
Ying Wang, Hongxiang Yu, Yue Zhang, Jing Zhang, Keni Chen, Heng Sun, Shulin Meng, Gang Li, Ying Lei, Jian Zhao
A 62-year old Chinese Han Alzheimer's disease (AD) female patient with ApoE3/4 genetic background donated her Peripheral blood mononuclear cells (PBMC). The non-integrating episomal vector system was used to reprogrammed PBMCs with the human OKSM transcription factors. The pluripotency of transgene-free iPSCs was confirmed by immunocytochemistry for pluripotency markers and by the ability of the iPSCs to differentiate spontaneously into 3 germ layers in vitro. In addition, the iPSC line displayed a normal karyotype...
January 4, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29328906/importance-of-information-provision-in-the-acceptance-of-blood-donation-criteria-by-the-general-public-in-belgium
#4
Bert Avau, Emmy De Buck, Philippe Vandekerckhove, Veerle Compernolle
BACKGROUND: Blood transfusions save lives, but carry the risk of causing transfusion-transmitted diseases. This risk is limited by strict donor selection criteria, the most controversial being the exclusion of men who had sex with men (MSM). This cross-sectional study investigated knowledge and beliefs of the general public concerning donor exclusion criteria, with emphasis on MSM. MATERIALS AND METHODS: A representative sample of the population of Flanders, Belgium was questioned using a web-based questionnaire...
November 27, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29328682/brief-report-prevalence-of-hepatitis-b-and-c-virus-infections-in-u-s-air-force-basic-military-trainees-who-donated-blood-2013-2016
#5
Douglas F Taylor, Ryan S Cho, Jason F Okulicz, Bryant J Webber, John G Gancayco
Hepatitis B virus (HBV) and hepatitis C virus (HCV) can cause significant morbidity in military service members. Prevalences of HBV and HCV infections among military recruits accessioning into the U.S. Air Force have not previously been described. The Joint Base San Antonio-Lackland Blood Donor Center was queried for the results of HBV and HCV screening tests among all basic military trainees who donated blood between 25 November 2013 and 16 April 2016. Other active and reserve component members were excluded...
December 2017: MSMR
https://www.readbyqxmd.com/read/29326427/severe-steatosis-induces-portal-hypertension-by-systemic-arterial-hyporeactivity-and-hepatic-vasoconstrictor-hyperreactivity-in-rats
#6
Denise Van der Graaff, Wilhelmus J Kwanten, Filip J Couturier, Jesse S Govaerts, Wim Verlinden, Isabel Brosius, Michiel D'Hondt, Ann Driessen, Benedicte Y De Winter, Joris G De Man, Peter P Michielsen, Sven M Francque
Non-alcoholic fatty liver disease (NAFLD) has become the most prevalent chronic liver disease. The presence of portal hypertension has been demonstrated in NAFLD prior to development of inflammation or fibrosis, and is a result of extrahepatic and intrahepatic factors, principally driven by vascular dysfunction. An increased intrahepatic vascular resistance potentially contributes to progression of NAFLD via intralobular hypoxia. However, the exact mechanisms underlying vascular dysfunction in NAFLD remain unknown...
January 11, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29322525/zika-virus-rna-polymerase-chain-reaction-on-the-utility-channel-of-a-commercial-nucleic-acid-testing-system
#7
Mohamed Boujnan, Ashley J Duits, Marco H G M Koppelman
BACKGROUND: Several countries have implemented safety strategies to reduce the risk of Zika virus (ZIKV) transmission through blood transfusion. These strategies have included nucleic acid amplification testing (NAT) of blood donations. In this study, a new real-time polymerase chain reaction (PCR) assay including internal control for the detection of ZIKV on the cobas omni Utility Channel (UC) on the cobas 6800 system is presented. STUDY DESIGN AND METHODS: PCR conditions and primer/probe concentrations were optimized on the LightCycler 480 instrument...
January 10, 2018: Transfusion
https://www.readbyqxmd.com/read/29322517/discordant-human-t-lymphotropic-virus-screening-with-western-blot-confirmation-evaluation-of-the-dual-test-algorithm-for-us-blood-donations
#8
Susan L Stramer, Rebecca L Townsend, Gregory A Foster, Ramona Johnson, Barbara Weixlmann, Roger Y Dodd
BACKGROUND: Human T-lymphotropic virus (HTLV) blood donation screening has used a dual-testing algorithm beginning with either a chemiluminescent immunoassay or enzyme-linked immunosorbent screening assay (ELISA). Before the availability of a licensed HTLV supplemental assay, repeat-reactive (RR) samples on a first assay (Assay 1) were retested with a second screening assay (Assay 2). Donors with RR results by Assay 2 were deferred from blood donation and further tested using an unlicensed supplemental test to confirm reactivity while nonreactive (NR) donors remained eligible for donation until RR on a subsequent donation...
January 10, 2018: Transfusion
https://www.readbyqxmd.com/read/29321654/motivating-cord-blood-donation-with-information-and-behavioral-nudges
#9
Daniela Grieco, Nicola Lacetera, Mario Macis, Daniela Di Martino
Umbilical cord blood is a source of hematopoietic stem cells essential to treat life-threatening diseases, such as leukemia and lymphoma. However, only a very small percentage of parents donate upon delivery. The decision to donate the cord blood occurs at a very specific time and when parents likely experience emotional, informational, and decisional overloads; these features of cord blood donation make it different from other pro-social activities. In collaboration with an OB-GYN clinic in Milan, Italy, we conducted the first randomized controlled trial that applies tools from behavioral science to foster cord blood donation, and quantified the gains that informational and behavioral "nudges" can achieve...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29319591/zika-virus-infection-in-the-pregnant-woman
#10
Meghan Holtzman, William C Golden, Jeanne S Sheffield
Zika virus is a single-stranded RNA virus from the Flaviviridae family. Transmission is typically from the bite of an infected mosquito though mother-to-child, sexual and blood donation transmissions can occur. Although maternal symptoms are uncommon and rarely severe, the consequences of congenital infections are devastating. The emergence of congenital Zika syndrome is a world-wide public health crisis. The Centers for Disease Control and Prevention, ACOG, and SMFM have developed algorithms for screening and managing women exposure to and diagnosed with Zika virus infection...
January 9, 2018: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29315564/circulating-anti-m%C3%A3-llerian-hormone-and-breast-cancer-risk-a-study-in-ten-prospective-cohorts
#11
Wenzhen Ge, Tess V Clendenen, Yelena Afanasyeva, Karen L Koenig, Claudia Agnoli, Louise A Brinton, Joanne F Dorgan, A Heather Eliassen, Roni T Falk, Göran Hallmans, Susan E Hankinson, Judith Hoffman-Bolton, Timothy J Key, Vittorio Krogh, Hazel B Nichols, Dale P Sandler, Minouk J Schoemaker, Patrick M Sluss, Malin Sund, Anthony J Swerdlow, Kala Visvanathan, Mengling Liu, Anne Zeleniuch-Jacquotte
A strong positive association has been observed between circulating anti-Müllerian hormone (AMH), a biomarker of ovarian reserve, and breast cancer risk in three prospective studies. Confirming this association is important because of the paucity of biomarkers of breast cancer risk in premenopausal women. We conducted a consortium study including ten prospective cohorts that had collected blood from premenopausal women. A nested case-control design was implemented within each cohort. A total of 2,835 invasive (80%) and in situ (20%) breast cancer cases were individually matched to controls (n = 3,122) on age at blood donation...
January 8, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29314064/worldwide-policies-on-epilepsy-and-blood-donation-a-survey-among-blood-services
#12
A Kellens, E De Buck, M-P Emonds, P Vandekerckhove, L Lagae
BACKGROUND AND OBJECTIVES: Epilepsy is a common neurological disorder characterized by the appearance of seizures. Often, epilepsy patients are temporarily or permanently excluded from blood donation. To gain a better understanding of the policies that are currently applied, we performed a survey among blood services. METHODS: A cross-sectional, Web-based questionnaire using the online Questback tool was developed and distributed to 46 representatives of blood services worldwide...
January 4, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29314033/amustaline-s-303-treatment-inactivates-high-levels-of-chikungunya-virus-in-red-blood-cell-components
#13
M Aubry, A Laughhunn, F Santa Maria, M C Lanteri, A Stassinopoulos, D Musso
BACKGROUND AND OBJECTIVES: Chikungunya virus (CHIKV) infections have been reported in all continents, and the potential risk for CHIKV transfusion-transmitted infections (TTIs) was demonstrated by the detection of CHIKV RNA-positive donations in several countries. TTIs can be reduced by pathogen inactivation (PI) of blood products. In this study, we evaluated the efficacy of amustaline and glutathione (S-303/GSH) to inactivate CHIKV in red-blood-cell concentrates (RBCs). MATERIAL AND METHODS: Red-blood-cells were spiked with high level of CHIKV...
January 4, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29310686/comparison-of-two-different-coagulation-algorithms-on-the-use-of-allogenic-blood-products-and-coagulation-factors-in-severely-injured-trauma-patients-a-retrospective-multicentre-observational-study
#14
Alexander Kaserer, Mattias Casutt, Kai Sprengel, Burkhardt Seifert, Donat R Spahn, Philipp Stein
BACKGROUND: At the University Hospital Zurich (USZ) and the Cantonal Hospital of Lucerne (LUKS) an individualized goal-directed coagulation and transfusion algorithm was introduced and implemented before 2012 (Coagulation algorithm of the USZ: USZ-Alg; of the LUKS: LUKS-Alg). Main differences between both algorithms are: 1) A target haematocrit-range of 0.21-0.24 (USZ-Alg) vs. a lower haematocrit limit only (LUKS-Alg). 2) Blind coagulation-package in selected cases (LUKS-Alg only). 3) Factor XIII substitution is considered earlier according to the USZ-Alg...
January 8, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29299445/the-management-of-a-blood-donor-bitten-by-a-snake
#15
REVIEW
Giuseppe Marano, Massimo Franchini, Liviana Catalano, Stefania Vaglio, Simonetta Pupella, Giancarlo M Liumbruno
The worldwide burden of snakebite is high and venomous snakes are found in many regions of the world and are a threat to public health. In Italy, for instance, viper bites are an infrequent but not negligible event. Although people who have been bitten by a snake rarely wish to donate blood within a "short" time, it is however important to evaluate their eligibility to donate blood or blood components as their donation could be a problem for donor management, especially if a specific policy is not in place...
December 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29296737/retrospective-analysis-of-capillary-hemoglobin-recovery-in-nearly-1%C3%A2-200%C3%A2-000-blood-donor-returns
#16
Pia Niittymäki, Mikko Arvas, Antti Larjo, Pirkko Mattila, Jarkko Ihalainen, Martti Syrjälä, Johanna Castrén, Jukka Partanen
Measuring the concentration of capillary hemoglobin (cHb) is a standard procedure before blood donation. To further assess the time period needed for cHb recovery after blood donation and to have a more in-depth understanding of features of recovery, we used data-mining tools in a large, retrospective data pool containing all 1 163 524 donor returns that took place in Finland in 2010 to 2015. The results show that the average recovery times for cHb to return back to the level preceding donation were substantially longer, over 200 days in all age groups, than were the minimum allowed donation intervals...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296730/a-population-based-longitudinal-study-on-the-implication-of-demographic-changes-on-blood-donation-and-transfusion-demand
#17
Andreas Greinacher, Kerstin Weitmann, Linda Schönborn, Ulf Alpen, Doris Gloger, Wolfgang Stangenberg, Kerstin Stüpmann, Nico Greger, Volker Kiefel, Wolfgang Hoffmann
Transfusion safety includes the risk of transmission of pathogens, appropriate transfusion thresholds, and sufficient blood supply. All industrialized countries experience major ongoing demographic changes resulting from low birth rates and aging of the baby boom generation. Little evidence exists about whether future blood supply and demand correlate with these demographic changes. The ≥50% decline in birth rate in the eastern part of Germany after 1990 facilitates systematic study of the effects of pronounced demographic changes on blood donation and demand...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29286527/experience-of-correcting-endothelial-dysfunction-in-children-residents-of-radioactively-contaminated-areas-by-nitric-oxide-potential-donator-citrulline
#18
Ye I Stepanova, I Ye Kolpakov, V M Zygalo, V Yu Vdovenko, V H Kondrashova, O S Leonovich, V V Kryzhanivska
OBJECTIVE: to determine the effectiveness of citrulline use for correcting endothelial dysfunction in children resi dents of radioactively contaminated areas. MATERIALS AND METHODS: A group of children residents of radioactively contaminated areas with the presence of clinical and paraclinical signs of endothelial dysfunction was selected to assess the effectiveness of correcting endothelial dysfunction by the usage of NO potential donator - citrulline according to the data of selective screen ing...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/29286218/seroepidemiological-study-of-hepatitis-b-c-and-hiv-among-blood-donors-in-kerman
#19
Majid Mohsenizadeh, Hamid Reza Mollaei, Motahareh Ghaziizadeh
Background: Infections transmitted through blood transfusions are the most important issue associated with blood donation. We aimed to provide an assessment of the prevalence of hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV) among blood donors in Kerman province of Iran. Methods: Between 2014-2016, 99,187 samples were examined in a retrospective study in five blood transfusion centers in Kerman province. Serologic screening for HBsAg, anti-HCV and anti-HIV1/2 was conducted for all samples and positive cases were confirmed...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29284143/long-term-safety-of-short-term-administration-of-filgrastim-rhg-csf-and-leukophresis-procedure-in-healthy-children-application-of-peripheral-blood-stem-cell-collection-in-pediatric-donors
#20
Maryam Behfar, Sara Faghihi-Kashani, Ashraf Sadat Hosseini, Ardeshir Ghavamzadeh, Amir Ali Hamidieh
INTRODUCTION: Administration of Filgrastim (rhG-CSF) (Neupogen®) in healthy donors to mobilize hematopoietic stem cells (HSC) is a widespread practice in adults. Application of peripheral blood stem cell (PBSC) collection in normal pediatric donors is scarce due to ethical issues. Hence, there are insufficient data on the long-term impact of PBSC procedure in healthy children. This retrospective study aimed to evaluate the early and late adverse effects of PBSC donation in pediatric donors...
December 25, 2017: Biology of Blood and Marrow Transplantation
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