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Jun Hong Park, Taesik Go, Sang Joon Lee
Transfusion is crucial in surgical operation and anemia treatment. However, several hemorheological properties of blood are adversely altered during blood storage. After transfusion, these adverse alterations are related with decrease of oxygen and ion transport in blood circulation, which increase the mortality of transfused patients. Therefore, accurate sensing of whether a blood supply is still viable for transfusion or not is extremely important. In this study, a H-shaped microfluidic device and digital in-line holographic microscopy were employed to measure temporal variations of blood viscosity and the optical focusing property of erythrocytes during blood storage...
August 18, 2017: Annals of Biomedical Engineering
#2
Matthew A Warner, Ian J Welsby, Phillip J Norris, Christopher C Silliman, Sarah Armour, Erica D Wittwer, Paula J Santrach, Laurie A Meade, Lavonne M Liedl, Chelsea M Nieuwenkamp, Brian Douthit, Camille M van Buskirk, Phillip J Schulte, Rickey E Carter, Daryl J Kor
INTRODUCTION: The transfusion-related respiratory complications, transfusion-related acute lung injury (TRALI) and transfusion-associated circulatory overload (TACO), are leading causes of transfusion-related morbidity and mortality. At present, there are no effective preventive strategies with red blood cell (RBC) transfusion. Although mechanisms remain incompletely defined, soluble biological response modifiers (BRMs) within the RBC storage solution may play an important role. Point-of-care (POC) washing of allogeneic RBCs may remove these BRMs, thereby mitigating their impact on post-transfusion respiratory complications...
August 18, 2017: BMJ Open
#3
Andreas Keller, Trine Rounge, Christina Backes, Nicole Ludwig, Randi Gislefoss, Petra Leidinger, Hilde Langseth, Eckart Meese
An increasing number of studies propose circulating microRNAs (miRNAs) as biomarkers for a large number of human diseases including cancer, cardiovascular diseases, neurological pathologies and others. To further validate miRNA as biomarkers it is indispensable to understand the variability of circulating miRNAs in healthy individuals. We determined the longitudinal miRNomes of 90 serum samples from the Janus Serum Bank in Norway, which have been stored between 23 and 40 years at -25 degrees Celsius. We profiled three serum samples with microarrays for 30 individuals, each...
August 18, 2017: RNA Biology
#4
Sirama Niare, Lionel Almeras, Fatalmoudou Tandina, Amina Yssouf, Affane Bacar, Ali Toilibou, Ogobara Doumbo, Didier Raoult, Philippe Parola
BACKGROUND: Identification of the source of mosquito blood meals is an important component for disease control and surveillance. Recently, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) profiling has emerged as an effective tool for mosquito blood meal identification, using the abdomens of freshly engorged mosquitoes. In the field, mosquito abdomens are crushed on Whatman filter papers to determine the host feeding patterns by identifying the origin of their blood meals...
2017: PloS One
#5
Chiara Volani, Giulia Caprioli, Giovanni Calderisi, Baldur B Sigurdsson, Johannes Rainer, Ivo Gentilini, Andrew A Hicks, Peter P Pramstaller, Guenter Weiss, Sigurdur V Smarason, Giuseppe Paglia
Volumetric absorptive microsampling (VAMS) is a novel approach that allows single-drop (10 μL) blood collection. Integration of VAMS with mass spectrometry (MS)-based untargeted metabolomics is an attractive solution for both human and animal studies. However, to boost the use of VAMS in metabolomics, key pre-analytical questions need to be addressed. Therefore, in this work, we integrated VAMS in a MS-based untargeted metabolomics workflow and investigated pre-analytical strategies such as sample extraction procedures and metabolome stability at different storage conditions...
August 17, 2017: Analytical and Bioanalytical Chemistry
#6
Abhishek Kumar Singh, Anubhuti Jha, Arindam Bit, Andrey P Kiassov, Albert A Rizvanov, Archit Ojha, Pooja Bhoi, Pradeep Kumar Patra, Awanish Kumar, Akalabya Bissoyi
The effective long-term cryopreservation of human mesenchymal stem cells (MSCs) is an essential prerequisite step and represents a critical approach for their sustained supply in basic research, regenerative medicine, and tissue engineering applications. Therefore, attempts have been made in the present investigation to formulate a freezing solution consisting of a combination of Selaginella bryopteris water-soluble extract with and without dimethyl sulfoxide (Me2SO) for the efficient long-term storage of human umbilical cord blood- (hUCB-) derived MSCs...
2017: Oxidative Medicine and Cellular Longevity
#7
Steven McDaniel, Stephanie Golla, Anthony N Moore, Joe DaCorta, Arthur Bode, Shibani Pati, Pramod K Dash, Jing Zhao
INTRODUCTION: According to the Defense and Veterans Brain Injury Center and the Armed Forces Health Surveillance Center, the number of soldiers who have sustained a traumatic brain injury (TBI) has risen dramatically over the past decade. Studies have shown that brain damage can be exacerbated if blood loss occurs (often occurring in polytrauma). As blood supply is critical for brain function and survival, TBI patients must be properly resuscitated to maintain blood volume, blood pressure, and cerebral perfusion...
July 2017: Military Medicine
#8
Myron G Best, Nik Sol, Sjors G J G In 't Veld, Adrienne Vancura, Mirte Muller, Anna-Larissa N Niemeijer, Aniko V Fejes, Lee-Ann Tjon Kon Fat, Anna E Huis In 't Veld, Cyra Leurs, Tessa Y Le Large, Laura L Meijer, Irsan E Kooi, François Rustenburg, Pepijn Schellen, Heleen Verschueren, Edward Post, Laurine E Wedekind, Jillian Bracht, Michelle Esenkbrink, Leon Wils, Francesca Favaro, Jilian D Schoonhoven, Jihane Tannous, Hanne Meijers-Heijboer, Geert Kazemier, Elisa Giovannetti, Jaap C Reijneveld, Sander Idema, Joep Killestein, Michal Heger, Saskia C de Jager, Rolf T Urbanus, Imo E Hoefer, Gerard Pasterkamp, Christine Mannhalter, Jose Gomez-Arroyo, Harm-Jan Bogaard, David P Noske, W Peter Vandertop, Daan van den Broek, Bauke Ylstra, R Jonas A Nilsson, Pieter Wesseling, Niki Karachaliou, Rafael Rosell, Elizabeth Lee-Lewandrowski, Kent B Lewandrowski, Bakhos A Tannous, Adrianus J de Langen, Egbert F Smit, Michel M van den Heuvel, Thomas Wurdinger
Blood-based liquid biopsies, including tumor-educated blood platelets (TEPs), have emerged as promising biomarker sources for non-invasive detection of cancer. Here we demonstrate that particle-swarm optimization (PSO)-enhanced algorithms enable efficient selection of RNA biomarker panels from platelet RNA-sequencing libraries (n = 779). This resulted in accurate TEP-based detection of early- and late-stage non-small-cell lung cancer (n = 518 late-stage validation cohort, accuracy, 88%; AUC, 0.94; 95% CI, 0...
August 14, 2017: Cancer Cell
#9
Meral Topçu, Dilek Aktas, Merih Öztoprak, Neslihan Önenli Mungan, Aysel Yuce, Mehmet Alikasifoglu
BACKGROUND: Niemann-Pick disease Type C (NP-C) is a rare, autosomal recessive lysosomal storage disorder caused by mutations in NPC1 or NPC2 genes. Diagnosis of NP-C can be challenging and is frequently delayed. Identifying mutations in individuals with NP-C and their relatives enables genetic counseling and prenatal diagnosis and may support earlier diagnosis. Here we report findings from a prospective cohort study in Turkey, using targeted genetic screening of the families of NP-C probands with homozygous NPC1 or NPC2 mutations...
August 14, 2017: Molecular Diagnosis & Therapy
#10
Lyla A Youssef, Steven L Spitalnik
PURPOSE OF REVIEW: This review summarizes current and prior observations regarding transfusion-related immunomodulation (TRIM) and puts these ideas into a modern immunological context, incorporating concepts from innate, adaptive, and nutritional immunity. We propose that TRIM research focus on determining whether there are specific, well-defined immunosuppressive effects from transfusing 'pure' red blood cells (RBCs) themselves, along with the by-products produced by the stored RBCs as a result of the 'storage lesion...
August 12, 2017: Current Opinion in Hematology
#11
Giuseppe Lippi, Emmanuel J Favaloro
Hemostasis testing is critical to many hemorrhagic and thrombotic disorders, wherein laboratory diagnostics can provide critical information for diagnosis, prognostication, and therapeutic monitoring. Due to this crucial role in modern medicine, hemostasis tests should be carried out at their highest degree of quality, thus encompassing standardization and monitoring of all phases of the testing process. It is now clearly established that the preanalytical phase is the most critical and vulnerable part of the total testing process, since up to 70% of diagnostic errors are due to highly manual activities encompassing patient preparation and collection of biological samples, as well as handling, transportation, preparation and storage of blood specimens...
2017: Methods in Molecular Biology
#12
Betina Klint Nielsen, Tina Frederiksen, Lennart Friis-Hansen, Pia Bükmann Larsen
BACKGROUND: Storage of blood samples after centrifugation, decapping and initial sampling allows ordering of additional blood tests. The pre-analytic stability of biochemistry and immunochemistry analytes has been studied in detail, but little is known about the post-analytical stability in incurred samples. METHODS: We examined the stability of 23 routine analytes on the Dimension Vista® (Siemens Healthineers, Denmark): 42-60 routine samples in lithium-heparin gel tubes (Vacutainer, BD, USA) were centrifuged at 3000×g for 10min...
August 10, 2017: Clinical Biochemistry
#13
Chofit Chai, Mila Rivkin, Liav Berkovits, Alina Simerzin, Elina Zorde-Khvalevsky, Nofar Rosenberg, Shiri Klein, Dayana Yaish, Ronen Durst, Shoshana Shpitzen, Shiran Udi, Joseph Tam, Joerg Heeren, Anna Worthmann, Christoph Schramm, Johannes Kluwe, Revital Ravid, Eran Hornstein, Hilla Giladi, Eithan Galun
BACKGROUND & AIMS: Effective treatments are needed for hepatic steatosis characterized by accumulation of triglycerides in hepatocytes, which leads to hepatocellular carcinoma. MicroRNA 122 (MIR122) is expressed only in the liver, where it regulates lipid metabolism. We investigated the mechanism by which free fatty acids (FFAs) regulate MIR122 expression and the effect of MIR122 on triglyceride synthesis. METHODS: We analyzed MIR122 promoter activity and validated its target mRNAs by transfection of luciferase reporter plasmids into Huh7, BNL-1ME, and HEK293 cultured cell lines...
August 9, 2017: Gastroenterology
#14
Mersedeh Rohanizadegan, Sarah El-Almery, Anne O'Donnell-Luria, Ivana Mihalek, Peggy Chen, Marilyn Sanders, Kristen Leeman, Megan Cho, Christina Hung, Olaf Bodamer
Rapid whole exome sequencing (rWES) is increasingly used in critically ill newborn infants to inform about diagnosis, clinical management and prognosis. Here we report a male newborn infant with hydrops, pancytopenia and acute liver failure who was listed for liver transplantation. Given the acuity of the presentation, the procedure related morbidity and mortality and lack of diagnosis we employed rWES in the proband and both parents with a turn-around time of 10 business days. rWES returned one maternally inherited, likely pathogenic and one paternally inherited, likely pathogenic variant in NPC1 suggestive of a diagnosis of Niemann Pick disease type C (NPC)...
August 11, 2017: Cold Spring Harbor Molecular Case Studies
#15
Oriane Mercati, Samia Pichard, Marie Ouachée, Roseline Froissart, Odile Fenneteau, Bastien Roche, Monique Elmaleh-Bergès, Yves Bertrand, Hélène Ogier de Baulny, Marie T Vanier, Manuel Schiff
Acid sphingomyelinase (ASM) deficient Niemann-Pick disease is a lysosomal storage disorder resulting from mutations in the SMPD1 gene. The clinical spectrum distinguishes a severe infantile neurological form (type A), a non-neurological visceral form (type B) and a rare intermediate neurovisceral form. We report the first case of presymptomatic cord blood transplantation in a child with the intermediate type of ASM deficiency due to a homozygous Tyr369Cys mutation, whose affected elder brother had developed neurodevelopmental delay from 19 months of age, and had died from severe visceral complications at the age of 3...
July 29, 2017: European Journal of Paediatric Neurology: EJPN
#16
Metka Krasna, Elvira Malicev, Jasmina Ziva Rozman, Bojan Vrtovec
Durable engraftment of transplanted CD34+ cells largely depends on the quality of the cell product. Limited data are currently available about extended storage of immunoselected CD34+ cells. The aim of our study was to assess the stability of CD34+ cell product with the cells stored in high concentration (80×10(6) in 6mL) in small bags intended for cell implantation. Cell products were prepared by leukapheresis and immunoselection (Clinimacs(plus) procedure) from 13 patients with chronic dilated cardiomyopathy...
July 22, 2017: Transfusion and Apheresis Science
#17
Stanley E R Bilatto, Nouran Y Adly, Daniel S Correa, Bernhard Wolfrum, Andreas Offenhäusser, Alexey Yakushenko
A simple lab-on-a-chip method for blood plasma separation was developed by combining stereolithographic 3D printing with inkjet printing, creating a completely sealed microfluidic device. In some approaches, one dilutes the blood sample before separation, reducing the concentration of a target analyte and increasing a contamination risk. In this work, a single drop (8 μl) of heparinized whole blood could be efficiently filtered using a capillary effect without any external driving forces and without dilution...
May 2017: Biomicrofluidics
#18
Yufeng Zhang, Christine Kallenberg, Hayden W Hyatt, Andreas N Kavazis, Wendy R Hood
To support the high energetic demands of reproduction, female mammals display plasticity in many physiological processes, such as the lipid transport system. Lipids support the energy demands of females during reproduction, and energy and structural demands of the developing offspring via the placenta in utero or milk during the suckling period. We hypothesized that key proteins supporting lipid transport in reproductive females will increase during pregnancy and lactation, but drop to non-reproductive levels shortly after reproduction has ended...
2017: Frontiers in Physiology
#19
Jeonghyun Kim, Philipp Gutruf, Antonio M Chiarelli, Seung Yun Heo, Kyoungyeon Cho, Zhaoqian Xie, Anthony Banks, Seungyoung Han, Kyung-In Jang, Jung Woo Lee, Kyu-Tae Lee, Xue Feng, Yonggang Huang, Monica Fabiani, Gabriele Gratton, Ungyu Paik, John A Rogers
Development of unconventional technologies for wireless collection, storage and analysis of quantitative, clinically relevant information on physiological status is of growing interest. Soft, biocompatible systems are widely regarded as important because they facilitate mounting on external (e.g. skin) and internal (e.g. heart, brain) surfaces of the body. Ultra-miniaturized, lightweight and battery-free devices have the potential to establish complementary options in bio-integration, where chronic interfaces (i...
January 5, 2017: Advanced Functional Materials
#20
E Kozlova, A Chernysh, V Moroz, V Sergunova, O Gudkova, E Manchenko
Transfusion of packed red blood cells (PRBC) to patients in critical states is often accompanied by post-transfusion complications. This may be related with disturbance of properties of PRBC and their membranes during long-term storage in the hemopreservative solution. The purpose of our work is the study of transformation of morphology, membranes stiffness and nanostructure for assessment of PRBC quality, in vitro. By atomic force microscopy we studied the transformation of cell morphology, the appearance of topological nanodefects of membranes and by atomic force spectroscopy studied the change of membrane stiffness during 40 days of storage of PRBC...
August 10, 2017: Scientific Reports
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