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https://www.readbyqxmd.com/read/28208668/redox-proteomics-and-platelet-activation-understanding-the-redox-proteome-to-improve-platelet-quality-for-transfusion
#1
REVIEW
Giona Sonego, Mélanie Abonnenc, Jean-Daniel Tissot, Michel Prudent, Niels Lion
Blood banks use pathogen inactivation (PI) technologies to increase the safety of platelet concentrates (PCs). The characteristics of PI-treated PCs slightly differ from those of untreated PCs, but the underlying reasons are not well understood. One possible cause is the generation of oxidative stress during the PI process. This is of great interest since reactive oxygen species (ROS) act as second messengers in platelet functions. Furthermore, there are links between protein oxidation and phosphorylation, another mechanism that is critical for cell regulation...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28202065/alternative-transmission-routes-in-the-malaria-elimination-era-an-overview-of-transfusion-transmitted-malaria-in-the-americas
#2
Regina M Alho, Kim Vinícius Amaral Machado, Fernando F A Val, Nelson A Fraiji, Marcia A A Alexandre, Gisely C Melo, Judith Recht, André M Siqueira, Wuelton M Monteiro, Marcus V G Lacerda
BACKGROUND: Transfusion-transmitted (TT) malaria is an alternative infection route that has gained little attention from authorities, despite representing a life-threatening condition. There has been no systematic review of this health problem in American countries. The aim of this study was to describe the clinical and epidemiological characteristics of TT malaria in the Americas and identify factors associated with lethality based on the studies published in the literature. METHODS: Potentially relevant papers in all languages were retrieved from MEDLINE and LILACS...
February 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28197273/clinical-and-surgical-strategies-for-avoiding-or-reducing-allogeneic-blood-transfusions
#3
Antonio Alceu Dos Santos, Jose Francisco Baumgratz, Jose Henrique Andrade Vila, Rodrigo Moreira Castro, Rodrigo Freire Bezerra
Blood transfusions have still been used as a standard therapy to treat severe anemia. Current evidences point to both excessive allogeneic blood consumption and decreased donations, which result in reduced stocks in blood banks. Several studies have increasingly suggested a more restrictive transfusion practice for blood products. Currently, a number of autologous blood conservation protocols in surgeries have been noted. We report a case of severe anemia with 2.9 g/dL hemoglobin, which was successfully handled without using the standard therapy to treat anemia with hemotransfusions...
April 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196298/human-to-human-transmission-of-brucella-a-systematic-review
#4
REVIEW
Felipe F Tuon, Regina B Gondolfo, Natacha Cerchiari
OBJECTIVE: The most common form of transmitting human brucellosis is through contaminated food or direct contact with infected animals. Human-to-human transmission (HHT) has been described as isolated case reports. The aim of this systematic review was to describe all cases of HHT of human brucellosis reported in the medical literature. METHODS: A literature search was conducted using PubMed, Scopus and Scielo databases using specific search terms published until March 2016...
February 14, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28184297/one-size-doesn-t-fit-all-should-we-reconsider-the-introduction-of-cold-stored-platelets-in-blood-bank-inventories
#5
REVIEW
Alessandra Berzuini, Marta Spreafico, Daniele Prati
Platelet concentrates are universally prepared with a standard method and stored for 5 days at room temperature (20-24°C) in gentle agitation. Currently, there is a renewed interest in the possibility of storing platelet concentrates below the standard temperatures. In fact, cold platelets might be more effective in bleeding patients and have a lower risk of bacterial transmission. Inventories including platelets at different temperatures may favour patient-centred strategies for prophylactic or therapeutic transfusions...
2017: F1000Research
https://www.readbyqxmd.com/read/28183813/targeted-proteomics-and-absolute-protein-quantification-for-the-construction-of-a-stoichiometric-host-pathogen-surface-density-model
#6
Kristoffer Sjöholm, Ola Kilsgård, Johan Teleman, Lotta Happonen, Lars Malmström, Johan Malmström
Sepsis is a systemic immune response responsible for considerable morbidity and mortality. Molecular modelling of host-pathogen interactions in the disease state represents a promising strategy to define molecular events of importance for the transition from superficial to invasive infectious diseases. Here we used the gram-positive bacterium Streptococcus pyogenes as a model system to establish a mass spectrometry based workflow for the construction of a stoichiometric surface density model between the S. pyogenes surface, the surface virulence factor M-protein, and adhered human blood plasma proteins...
February 9, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28182624/socio-demographic-characteristics-of-danish-blood-donors
#7
Kristoffer Sølvsten Burgdorf, Jacob Simonsen, Anna Sundby, Klaus Rostgaard, Ole Birger Pedersen, Erik Sørensen, Kaspar René Nielsen, Mie Topholm Bruun, Morten Frisch, Gustaf Edgren, Christian Erikstrup, Henrik Hjalgrim, Henrik Ullum
BACKGROUND: Blood transfusion is an essential component of a modern healthcare system. Because knowledge about blood donor demography may inform the design of strategies for donor recruitment and retention, we used nationwide registers to characterize the entire population of blood donors in Denmark in 2010. METHODS: The study population comprised all Danes in the age range eligible for blood donation (N = 3,236,753) at the end of 2010. From the Scandinavian Donations and Transfusions (SCANDAT) register, we identified 174,523 persons who donated blood in Danish blood banks at least once in 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28179415/factors-related-to-receipt-of-non-cancer-related-transurethral-prostatectomy-findings-from-a-large-prospective-study-of-106%C3%A2-769-middle-aged-and-older-australian-men
#8
Grace Joshy, Kay Soga, Rosemary J Korda, Manish I Patel, Emily Banks
BACKGROUND: Transurethral prostatectomy (TURP) is a common surgical intervention for chronic lower urinary tract symptoms (LUTS). Little large-scale evidence exists on factors related to receipt of non-cancer-related TURP. METHODS: A prospective study of men aged ≥45 years participating in the 45 and Up Study, a large Australian cohort study, without prior prostatectomy and/or bowel/genital/urinary-tract cancer; questionnaire data were linked to hospitalisations and deaths...
February 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/28177047/linalool-a-piper-aduncum-essential-oil-component-has-selective-activity-against-trypanosoma-cruzi-trypomastigote-forms-at-4%C3%A2-c
#9
Luz Helena Villamizar, Maria das Graças Cardoso, Juliana de Andrade, Maria Luisa Teixeira, Maurilio José Soares
BACKGROUND: Recent studies showed that essential oils from different pepper species (Piper spp.) have promising leishmanicidal and trypanocidal activities. OBJECTIVES: In search for natural compounds against Trypanosoma cruzi, different forms of the parasite were incubated for 24 h at 28ºC or 4ºC with Piper aduncum essential oil (PaEO) or its main constituents linalool and nerolidol. METHODS: PaEO chemical composition was obtained by GC-MS...
February 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28168326/damage-control-laparotomy-for-abdominal-trauma-in-children
#10
Stephanie F Polites, Elizabeth B Habermann, Amy E Glasgow, Martin D Zielinski
BACKGROUND: Damage control laparotomy (DCL) is not well studied in the pediatric trauma population. The purpose of this study was to develop a surrogate definition of DCL compatible with national and administrative data sources so that the rate and outcomes of DCL in pediatric trauma patients could be determined. METHODS: Using the 2010-2014 National Trauma Data Bank, children ≤18 with an abdominal AIS ≥ 3 who underwent a laparotomy within 3 h of arrival were identified (n = 2989)...
February 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28164774/tauopathies-focus-on-changes-at-the-neurovascular-unit
#11
Alena Michalicova, William A Banks, Jaroslav Legath, Andrej Kovac
In the past, the blood-brain barrier (BBB) had been characterized mainly as a layer of endothelial cells forming the vessel/capillary wall of the brain. More recently, the BBB is considered to be a part of a highly dynamic and interactive system called the neurovascular unit (NVU), consisting of vascular cells, glial cells, and neurons. The list of central nervous system (CNS) pathologies involving BBB dysfunction is rapidly growing. The opening of the BBB and subsequent infiltration of serum components to the brain can lead to host of processes resulting in progressive synaptic and neuronal dysfunction and loss...
February 3, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28164617/evaluation-of-labtype%C3%A2-sso-hla-typing-using-the-luminex-platform-cord-blood-registry-typing-for-the-korean-population
#12
Eun-Youn Roh, Eun-Young Song, Jee-Young Chang, Jong-Hyun Yoon, Sue Shin
BACKGROUND: The performance of a new intermediate-resolution method using a PCR-Luminex platform and LABType® SSO A, B DRB1 kits as an HLA typing method for the cord blood (CB) registry of the Korean population was investigated. METHODS: A total of 1,413 cord blood units (CBUs) were enrolled - 1,382 from Koreans and 31 from non-Koreans or mixed-ancestry individuals. HLA-A, -B, and -DRB1 typing was performed using the LABType® SSO typing kits. HLA typing with the DNA method and 2-digit results are mandatory for the public CB bank in Korea according to the "CB Act...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164608/alterations-of-vitamin-d-receptor-vdr-expression-profile-in-normal-and-malignant-breast-tissues
#13
Naghmeh Zhalehjoo, Yadollah Shakiba, Mojtaba Panjehpour
BACKGROUND: The actions of Vitamin D in different tissues, including breast tissue, are mediated by vitamin D receptor (VDR). Vitamin D has antitumor functions in the body; any changes in VDR expression can therefore affect the anticancer activities of Vitamin D. The present study was conducted to compare expression levels of VDR mRNA and protein in normal and tumor breast tissues. METHODS: Tumor and adjacent normal tissue samples from 30 patients with breast cancer were procured from the Iran National Tumor Bank of the Cancer Institute...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164536/development-of-real-time-pcr-and-melting-curve-analysis-for-the-rapid-detection-of-del-with-rhd-c-1222t-c-or-rhd-c-1227g-a
#14
Yun Ji Hong, Hyungsuk Kim, Eun Young Song, Duck Cho, Kyoung Un Park, Kyou-Sup Han
BACKGROUND: DEL, a variant of RhD, is difficult to detect in routine blood bank testing owing to its extremely low levels of D antigen expression. However, DEL is capable of alloimmunizing a patient when transfused into RhDnegative individuals. METHODS: In this study, we developed real-time PCR and melting curve analysis for the rapid detection of the DEL phenotype. RESULTS: Of the 325 serologically RhD-negative individuals involved in the study, 56 (17...
October 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164494/the-blood-bank-for-diabetes-screening-a-feasible-alternative
#15
Mauren I Anghebem-Oliveira, Claudia D Costa, Giorgio R Baldanzi, Juliane C Schmitt-Mansur, Geraldo Picheth, Fabiane G M Rego
BACKGROUND: Vascular complications of diabetes mellitus (DM) are associated with 5% of deaths globally every year. Early diagnosis and treatment could reduce this figure. The aim of this project was to investigate the frequency of undiagnosed DM among blood donors and the possibility of blood banks participating in DM screening. METHODS: Of the approximate 5,600 candidates for blood donation who were evaluated, 4,601 were considered suitable. Candidates with any type of DM, hypertension, thyroid disease, and/or continuous use of any drugs were excluded, resulting in the participation of 635 donors aged 18 - 69 years...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28164303/process-mining-is-an-underutilized-clinical-research-tool-in-transfusion-medicine
#16
Jason G Quinn, David M Conrad, Calvino K Cheng
BACKGROUND: To understand inventory performance, transfusion services commonly use key performance indicators (KPIs) as summary descriptors of inventory efficiency that are graphed, trended, and used to benchmark institutions. STUDY DESIGN AND METHODS: Here, we summarize current limitations in KPI-based evaluation of blood bank inventory efficiency and propose process mining as an ideal methodology for application to inventory management research to improve inventory flows and performance...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28163725/development-and-validation-of-a-pcr-elisa-for-the-diagnosis-of-symptomatic-and-asymptomatic-infection-by-leishmania-leishmania-infantum
#17
Fernanda Alvarenga Cardoso Medeiros, Luciana Inácia Gomes, Edward Oliveira, Carolina Senra Alves de Souza, Maria Vitória Mourão, Gláucia Fernandes Cota, Letícia Helena Dos Santos Marques, Mariângela Carneiro, Ana Rabello
A kDNA PCR enzyme-linked immunosorbent assay (kDNA PCR-ELISA) for the diagnosis of human visceral leishmaniasis (HVL) was developed. The detection limit of the reaction, precision measurements, and cut-off of the kDNA PCR-ELISA were defined in a proof-of-concept phase. A reference strain of Leishmania (Leishmania) infantum and a bank of 14 peripheral blood samples from immunocompetent patients with VL were characterized using techniques considered gold standards, and 11 blood samples obtained from healthy individuals of an endemic area were also assessed...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28158445/the-impact-of-an-electronic-ordering-system-on-blood-bank-specimen-rejection-rates
#18
Stefanie K Forest, Maryam Shirazi, Charlotte Wu-Gall, Brie A Stotler
No abstract text is available yet for this article.
January 31, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28150308/practical-approaches-and-costs-for-provisioning-safe-transfusions-during-anti-cd38-therapy
#19
Waseem Q Anani, Marisela G Marchan, Kathleen M Bensing, Michael Schanen, Cindy Piefer, Jerome L Gottschall, Gregory A Denomme
BACKGROUND: Anti-CD38 therapy causes interference with both the direct and the indirect antiglobulin tests. We describe the experience from an Immunohematology Reference Laboratory and model cost options for providing safe transfusions. STUDY DESIGN AND METHODS: Phenotyping, genotyping, and antibody identification orders were retrospectively reviewed in the setting of anti-CD38 therapy. The data were used to model the added cost of transfusion support. Four approaches were evaluated: 1) thiol-treated reagent red blood cells (RRCs) in antibody investigations with K- red blood cell (RBC) transfusions, 2) patient phenotyping or 3) genotyping with antigen-matched RBC transfusions, and 4) a combination of interval thiol-treated RRC antibody investigations with genotype antigen-matched RBC transfusions...
February 1, 2017: Transfusion
https://www.readbyqxmd.com/read/28135684/evaluation-of-the-immunogenicity-of-human-ips-cell-derived-neural-stem-progenitor-cells-in-vitro
#20
Masahiro Ozaki, Akio Iwanami, Narihito Nagoshi, Jun Kohyama, Go Itakura, Hiroki Iwai, Soraya Nishimura, Yuichiro Nishiyama, Soya Kawabata, Keiko Sugai, Tsuyoshi Iida, Kohei Matsubayashi, Miho Isoda, Rei Kashiwagi, Yoshiaki Toyama, Morio Matsumoto, Hideyuki Okano, Masaya Nakamura
To achieve the goal of a first-in-human trial for human induced pluripotent stem cell (hiPSC)-based transplantation for the treatment of various diseases, allogeneic human leukocyte antigen (HLA)-matched hiPSC cell banks represent a realistic tool from the perspective of quality control and cost performance. Furthermore, considering the limited therapeutic time-window for acute injuries, including neurotraumatic injuries, an iPS cell bank is of potential interest. However, due to the relatively immunoprivileged environment of the central nervous system, it is unclear whether HLA matching is required in hiPSC-derived neural stem/progenitor cell (hiPSC-NS/PC) transplantation for the treatment of neurodegenerative diseases and neurotraumatic injuries...
January 19, 2017: Stem Cell Research
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