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https://www.readbyqxmd.com/read/28442345/characterization-of-a-recombinant-humanized-anti-cocaine-antibody-produced-from-multiple-clones-for-the-selection-of-a-master-cell-bank-candidate
#1
Hanna N Wetzel, Rose P Webster, Fatima Saeed, Terence L Kirley, William J Ball, Andrew B Norman
We have generated a humanized anti-cocaine monoclonal antibody (mAb), which is at an advanced stage of pre-clinical development. We report here in vitro binding affinity studies, and in vivo pharmacokinetic and efficacy studies of the recombinant mAb. The overall aim was to characterize the recombinant antibody from each of the three highest producing transfected clones and to select one to establish a master cell bank. In mAb pharmacokinetic studies, after injection with h2E2 (120 mg/kg iv) blood was collected from the tail tip of mice over 28 days...
April 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28441942/rare-antibody-associated-hemolytic-transfusion-reaction-and-transfusion-related-acute-lung-injury-a-case-report
#2
Tim N Beck, Natalee G Young, Michelle L Erickson, Ignacio Prats
BACKGROUND: Hemolytic transfusion reactions and transfusion-related acute lung injury (TRALI) are life-threatening complications associated with the transfusion of blood products. Hemorrhage is one of the most common surgical complications and the risk of bleeding is particularly acute in patients with hematologic deficiencies. Management of surgical bleeding can be divided into two phases. The first phase centers on immediate control of acute bleeding and the second phase focuses on keeping the patient stable and on reducing the sequelae associated with blood transfusions and blood loss...
April 26, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28441911/the-effects-of-a-data-driven-maximum-surgical-blood-ordering-schedule-on-preoperative-blood-ordering-practices
#3
C L Woodrum, M Wisniewski, D J Triulzi, J H Waters, L H Alarcon, M H Yazer
OBJECTIVES: The maximum surgical blood ordering schedule (MSBOS) provides guidelines for pre-operative pre-transfusion testing for elective surgical procedures. This study compared blood ordering and utilization during the period when the MSBOS was created by achieving consensus between the blood bank and the various surgical specialties, and after the introduction of an MSBOS created by using department-specific red blood cell (RBC) transfusion data (data driven MSBOS, dMSBOS). METHODS: The dMSBOS was created by analyzing 12 months of RBC transfusion data for each procedure across a regional health system...
April 25, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28437748/rational-and-timely-haemostatic-interventions-following-cardiac-surgery-coagulation-factor-concentrates-or-blood-bank-products
#4
Mariann Tang, Christian Fenger-Eriksen, Per Wierup, Jacob Greisen, Jørgen Ingerslev, Vibeke Hjortdal, Benny Sørensen
BACKGROUND: Cardiac surgery may cause a serious coagulopathy leading to increased risk of bleeding and transfusion demands. Blood bank products are commonly first line haemostatic intervention, but has been associated with hazardous side effect. Coagulation factor concentrates may be a more efficient, predictable, and potentially a safer treatment, although prospective clinical trials are needed to further explore these hypotheses. This study investigated the haemostatic potential of ex vivo supplementation of coagulation factor concentrates versus blood bank products on blood samples drawn from patients undergoing cardiac surgery...
April 5, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28427132/-influences-of-abar-gene-on-biofilm-formation-of-acinetobacter-baumannii
#5
H N Guo, J Xiang
Objective: To detect drug-resistant phenotype and abaR gene of Acinetobacter baumannii (AB) and investigate influences of abaR gene on biofilm formation of AB. Methods: From February to July 2014, 159 strains AB were collected from Department of Clinical Microbiology of Ruijin Hospital of School of Medicine of Shanghai JiaoTong University and numbered starting from 1 according time when they were collected. (1) The above-mentioned 159 strains of AB were identified by detecting gene sequence of 16S ribosomal DNA...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28426586/predictive-modeling-of-massive-transfusion-requirements-during-liver-transplantation-and-its-potential-to-reduce-utilization-of-blood-bank-resources
#6
Aliaksei Pustavoitau, Maggie Lesley, Promise Ariyo, Asad Latif, April J Villamayor, Steven M Frank, Nicole Rizkalla, William Merritt, Andrew Cameron, Nabil Dagher, Benjamin Philosophe, Ahmet Gurakar, Allan Gottschalk
BACKGROUND: Patients undergoing liver transplantation frequently but inconsistently require massive blood transfusion. The ability to predict massive transfusion (MT) could reduce the impact on blood bank resources through customization of the blood order schedule. Current predictive models of MT for blood product utilization during liver transplantation are not generally applicable to individual institutions owing to variability in patient population, intraoperative management, and definitions of MT...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28425748/a-field-analysis-trial-comparing-the-turnaround-times-of-routine-and-stat-red-blood-cell-immunohematology-testing
#7
Katie Sackett, Andrea Kjell, Abigail M Schneider, Claudia S Cohn
The turnaround time (TAT) for pre-transfusion testing is important for prompt clinical decision-making. TAT includes the time between the arrival of the sample and the initiation of testing, plus the processing time (PT) required to generate and report a result. The TAT in larger blood banks is mostly dependent upon the capability of the analyzer used. In smaller blood banks, where manual work is often performed, the TAT is dependent on availability and experience of staff, testing resources, and workload. Our site performed a comparative analysis of the ORTHO VISION® (Ortho Clinical Diagnostics, Raritan, NJ) and the Echo® (Immucor, Norcross, GA) blood bank analyzers, using the TAT and PT of standard blood bank tests as the outcome metrics...
January 2017: Immunohematology
https://www.readbyqxmd.com/read/28424132/outcomes-of-recreational-activity-associated-trauma-in-elderly-persons-on-blood-thinning-medications
#8
Zachary M DeBoard, Jonathan Grotts, Lisa Ferrigno
With increasing life expectancy, the elderly are participating in recreational activities traditionally pursued by younger persons. Elderly patients have many reasons for worse outcomes after trauma, one of which may be the rising use of anticoagulant and/or antiplatelet medications. This study aimed to determine whether preinjury use of these agents yielded worse outcomes in geriatric patients injured during high-impact recreational activities. The National Trauma Data Bank was reviewed from 2007 to 2010 for patients ≥65 years admitted to Level I or II trauma centers with ICD-9 E-codes for specific mechanisms of injury...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28421625/factors-affecting-platelet-concentration-in-platelet-concentrates-from-canine-blood-donors
#9
J S Raleigh, K E Jandrey, J Burges, M S Kent
BACKGROUND: Physiologic factors in dogs that might contribute to enhanced platelet yield in platelet concentrates (PCs) are largely unknown. OBJECTIVE: To determine whether individual differences in weight, age, preprocessing blood chemistry, and CBC variables predict the final platelet concentrations in PCs. Our hypotheses were (1) increased lipemic indices would be positively associated with increased platelet concentrations in PCs and (2) increased preprocessing platelet concentrations would be associated with higher platelet concentrations in the PCs...
April 19, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28419477/the-effectiveness-of-riboflavin-and-ultraviolet-light-pathogen-reduction-technology-in-eliminating-trypanosoma-cruzi-from-leukoreduced-whole-blood
#10
Teresa Jimenez-Marco, Beatriz Cancino-Faure, Enrique Girona-Llobera, M Magdalena Alcover, Cristina Riera, Roser Fisa
BACKGROUND: The parasitic Chagas disease is caused by the protozoan Trypanosoma cruzi, which is mainly transmitted by insect vectors. Other infection routes, both in endemic and in nonendemic areas, include organ and marrow transplantation, congenital transmission, and blood transfusion. Asymptomatic chronic chagasic individuals may have a low and transient parasitemia in peripheral blood and, consequently, they can unknowingly transmit the disease via blood transfusion. Riboflavin and ultraviolet (UV) light pathogen reduction is a method to reduce pathogen transfusion transmission risk based on damage to the pathogen nucleic acids...
April 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28413425/association-of-retinol-binding-protein-4-with-metabolic-syndrome-in-first-degree-relatives-of-type-2-diabetic-patients
#11
Marjan Tabesh, Atsa Noroozi, Masood Amini, Awat Feizi, Sahar Saraf-Bank, Maryam Zare
BACKGROUND: Retinol-binding protein 4 (RBP4) is known to regulate lipid and glucose metabolism and insulin resistance. The influences of RBP4 on metabolic syndrome (MS) are still unclear. The purpose of this study is to evaluate the association between serum levels of RBP4 and MS components in first-degree relations of type 2 diabetic patients. MATERIALS AND METHODS: This cross-sectional study was performed within the framework of the diabetes prevention project in Isfahan...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28407176/serum-proteomic-spectral-characteristics-of-acute-myeloid-leukemia-and-their-clinical-significance
#12
R-J Zheng, R-J Wu, X-D Ma
We investigated the differences between the serum proteomic spectral characteristics of acute myeloid leukemia (AML) patients and those of healthy people. We collected peripheral blood serum samples from 62 AML patients and 15 healthy controls. After removing high-abundance proteins, low-abundance serum proteins were separated using two-dimensional gel electrophoresis to identify differences between AML patients and healthy people. We investigated the different protein dots by mass fingerprint analysis, and evaluated the results using the Masort retrieval program provided by the MSDB protein bank...
April 13, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28403327/internal-control-for-real-time-polymerase-chain-reaction-based-on-ms2-bacteriophage-for-rna-viruses-diagnostics
#13
Miriam Ribas Zambenedetti, Daniela Parada Pavoni, Andreia Cristine Dallabona, Alejandro Correa Dominguez, Celina de Oliveira Poersch, Stenio Perdigão Fragoso, Marco Aurélio Krieger
BACKGROUND: Real-time reverse transcription polymerase chain reaction (RT-PCR) is routinely used to detect viral infections. In Brazil, it is mandatory the use of nucleic acid tests to detect hepatitis C virus (HCV), hepatitis B virus and human immunodeficiency virus in blood banks because of the immunological window. The use of an internal control (IC) is necessary to differentiate the true negative results from those consequent from a failure in some step of the nucleic acid test. OBJECTIVES: The aim of this study was the construction of virus-modified particles, based on MS2 bacteriophage, to be used as IC for the diagnosis of RNA viruses...
April 6, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28397097/blood-brain-barriers-in-obesity
#14
Elizabeth M Rhea, Therese S Salameh, Aric F Logsdon, Angela J Hanson, Michelle A Erickson, William A Banks
After decades of rapid increase, the rate of obesity in adults in the USA is beginning to slow and the rate of childhood obesity is stabilizing. Despite these improvements, the obesity epidemic continues to be a major health and financial burden. Obesity is associated with serious negative health outcomes such as cardiovascular disease, type II diabetes, and, more recently, cognitive decline and various neurodegenerative dementias such as Alzheimer's disease. In the past decade, major advancements have contributed to the understanding of the role of the central nervous system (CNS) in the development of obesity and how peripheral hormonal signals modulate CNS regulation of energy homeostasis...
April 10, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28391986/gene-products-promoting-remyelination-are-up-regulated-in-a-cell-therapy-product-manufactured-from-banked-human-cord-blood
#15
Paula Scotland, Susan Buntz, Pamela Noeldner, Arjun Saha, Tracy Gentry, Joanne Kurtzberg, Andrew E Balber
BACKGROUND AIMS: DUOC-01, a cell product being developed to treat demyelinating conditions, is composed of macrophages that arise from CD14(+) monocytes in the mononuclear cell (MNC) population of banked cord blood (CB). This article demonstrates that expression of multiple gene products that promote remyelination is rapidly up-regulated during manufacturing of DUOC-01 from either MNC or purified CB CD14(+) monocytes. METHODS: Cell cultures were initiated with MNC or with immunoselected CD14(+) monocytes isolated from the same CB unit...
April 5, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28390987/cryopreserved-cd34-cell-dose-but-not-total-nucleated-cell-dose-influences-hematopoietic-recovery-and-extensive-chronic-gvhd-after-single-unit-cord-blood-transplantation-in-adult-patients
#16
Takaaki Konuma, Seiko Kato, Maki Oiwa-Monna, Susumu Tanoue, Miho Ogawa, Masamichi Isobe, Arinobu Tojo, Satoshi Takahashi
Low cryopreserved total nucleated cell (TNC) dose in a cord blood (CB) unit has been shown to be associated with engraftment failure and mortality after single-unit cord blood transplantation (CBT) in adults. Although CB banks offer specific characteristics of cryopreserved cell dose such as TNC, CD34+ cells, and colony-forming unit for granulocyte/macrophage (CFU-GM), the impact of each cell dose on engraftment and outcome after single-unit CBT in adults remains unclear. We retrospectively analysed the results of 306 CBTs for 261 adult patients in our institution between 1998 and 2016...
April 5, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28388313/arachidonic-acid-and-docosahexanoic-acid-enhance-platelet-formation-from-human-apheresis-derived-cd34-cells
#17
Ankita Dhenge, Kedar Limbkar, Sameer Melinkeri, Vaijayanti Prakash Kale, Lalita Limaye
An Aberration in megakaryopoiesis and thrombopoiesis, 2 important processes that maintain hemostasis, leads to thrombocytopenia. Though platelet transfusions are used to treat this condition, blood banks frequently face a shortage of platelets. Therefore, methods to generate platelets on a large scale are strongly desirable. However, to generate megakaryocytes (MKs) and platelets (PLTs) in numbers sufficient for clinical application, it is essential to understand the mechanism of platelet production and explore efficient strategies accordingly...
April 7, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28387929/placental-passage-of-antiepileptic-drugs-at-delivery-and-neonatal-outcomes
#18
Anna M Bank, Zachary N Stowe, D Jeffrey Newport, James C Ritchie, Page B Pennell
Children of women treated with antiepileptic drugs (AEDs) are at increased risk of adverse outcomes detectable in the neonatal period, which may be associated with the amount of AEDs in the fetal circulation. Placental passage of AEDs can be measured by calculating the ratio of umbilical cord to maternal AED concentrations collected at delivery. The aims of this study were to determine the umbilical cord concentrations and umbilical-to-maternal ratios for AEDs, and whether higher cord concentrations are associated with increased risk of neonatal complications...
April 7, 2017: Epilepsia
https://www.readbyqxmd.com/read/28380265/how-do-i-participate-in-t-cell-immunotherapy
#19
Megan M Suhoski Davis, David H McKenna, Philip J Norris
T cells play a key role in the adaptive immune response, and the ability to manipulate T cells for therapeutic uses has advanced in the past decade. Infusion of expanded or engineered T cells can potentially be used to treat cancer, viral infections, graft-versus-host disease, and organ transplant rejection. The role that blood banks play in the manufacture and distribution of T-cell therapeutics is still being defined. Given the regulatory framework of blood banks, they are well positioned to collect raw material for manufacture of T-cell therapies and to distribute finished product to hospitals in support of clinical trials or eventually for licensed products...
May 2017: Transfusion
https://www.readbyqxmd.com/read/28378499/autologous-cord-blood-infusions-are-safe-and-feasible-in-young-children-with-autism-spectrum-disorder-results-of-a-single-center-phase-i-open-label-trial
#20
Geraldine Dawson, Jessica M Sun, Katherine S Davlantis, Michael Murias, Lauren Franz, Jesse Troy, Ryan Simmons, Maura Sabatos-DeVito, Rebecca Durham, Joanne Kurtzberg
Despite advances in early diagnosis and behavioral therapies, more effective treatments for children with autism spectrum disorder (ASD) are needed. We hypothesized that umbilical cord blood-derived cell therapies may have potential in alleviating ASD symptoms by modulating inflammatory processes in the brain. Accordingly, we conducted a phase I, open-label trial to assess the safety and feasibility of a single intravenous infusion of autologous umbilical cord blood, as well as sensitivity to change in several ASD assessment tools, to determine suitable endpoints for future trials...
April 5, 2017: Stem Cells Translational Medicine
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