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https://www.readbyqxmd.com/read/29150101/lack-of-association-between-kidd-blood-group-system-and-chronic-kidney-disease
#1
Tiago Verri Capriolli, Jeane Eliete Laguila Visentainer, Ana Maria Sell
BACKGROUND: The Kidd blood group system has three antigens, Jk(a), Jk(b) and Jk3, found on red blood cells and on endothelial cells of the inner lining of blood vessels in the renal medulla. These are known as urea transporter B (UT-B). Researchers have found that individuals carrying the Jk(a-b-) or Jk-null (UT-B null) phenotypes have a lower urine-concentrating capability and risk of severe renal impairment. This study evaluated the distribution of the Kidd phenotypes in patients with chronic kidney disease and a possible association of Kidd antigens with the development of renal disease...
October 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/29149783/hematological-improvement-of-patients-with-active-rheumatoid-arthritis-by-%C3%AE-d-mannuronic-acid-m2000-as-a-novel-nsaid-with-immunosuppressive-property
#2
Hossein Ahmadi, Ahmad Reza Jamshidi, Mahdi Mahmoudi, Farhad Gharibdoost, Mahdi Vojdanian, Mohammad Javad Fattahi, Noushin Rastkari, Zahra Aghazadeh, Abbas Mirshafiey
The aim of this study was to investigate the effect of β-D-mannuronic acid (M2000) on hematological parameters in patients with active rheumatoid arthritis. This study was conducted on 25 patients with active rheumatoid arthritis (RA) (identifier: IRCT2014011213739N2). M2000 was administered orally for anemic and non-anemic RA patients at a dose of 500 mg twice daily for 12 weeks. The patients were permitted to continue the conventional treatments excluding NSAIDs. Blood samples were collected at baseline, 4 and 12 weeks after drug administration and were tested for hematological parameters...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149721/biological-safety-and-tissue-distribution-of-16-mercaptohexadecyl-trimethylammonium-bromide-modified-cationic-gold-nanorods
#3
Monika Zarska, Michal Sramek, Filip Novotny, Filip Havel, Andrea Babelova, Blanka Mrazkova, Oldrich Benada, Milan Reinis, Ivan Stepanek, Kamil Musilek, Jiri Bartek, Monika Ursinyova, Ondrej Novak, Rastislav Dzijak, Kamil Kuca, Jan Proska, Zdenek Hodny
The exceptionally high cellular uptake of gold nanorods (GNRs) bearing cationic surfactants makes them a promising tool for biomedical applications. Given the known specific toxic and stress effects of some preparations of cationic nanoparticles, the purpose of this study was to evaluate, in an in vitro and in vivo in mouse, the potential harmful effects of GNRs coated with (16-mercaptohexadecyl)trimethylammonium bromide ((MTAB)GNRs). Interestingly, even after cellular accumulation of high amounts of (MTAB)GNRs sufficient for induction of photothermal effect, no genotoxicity (even after longer-term accumulation), induction of autophagy, destabilization of lysosomes (dominant organelles of their cellular destination), alterations of actin cytoskeleton, or in cell migration could be detected in vitro...
November 1, 2017: Biomaterials
https://www.readbyqxmd.com/read/29149650/iron-chelation-therapy-in-lower-ipss-risk-myelodysplastic-syndromes-which-subtypes-benefit
#4
Shannon A Wong, Heather A Leitch
BACKGROUND: Analyses suggest MDS patients with higher serum ferritin levels (SF) have inferior overall survival (OS), in one study across MDS subtypes. Multiple analyses suggest those with high SF receiving iron chelation therapy (ICT) have superior OS, but which MDS subtypes benefit from ICT remains undefined. METHODS: We performed survival analyses of MDS subtypes by receipt of ICT. RESULTS: 182 MDS were lower IPSS risk and received red blood cell (RBC) transfusions; 63 received ICT...
November 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29149189/perioperative-body-weight-change-is-associated-with-in-hospital-mortality-in-cardiac-surgical-patients-with-postoperative-acute-kidney-injury
#5
Chih-Chung Shiao, Ya-Ting Huang, Tai-Shuan Lai, Tao-Min Huang, Jian-Jhong Wang, Chun-Te Huang, Pei-Chen Wu, Che-Hsiung Wu, I-Jung Tsai, Li-Jung Tseng, Chih-Hsien Wang, Tzong-Shinn Chu, Kwan-Dun Wu, Vin-Cent Wu
BACKGROUND: Postoperative acute kidney injury (AKI) is common following cardiac surgery (CS). Body weight (BW) may be an amenable variable by representing the summation of the nutritional and the fluid status. However, the predictive role of perioperative BW changes in CS patients with severe postoperative AKI is never explored. This study aimed to evaluate this association. METHODS: This study was conducted using a prospectively collected multicenter cohort, NSARF (National Taiwan University Hospital Study Group on Acute Renal Failure) database...
2017: PloS One
https://www.readbyqxmd.com/read/29148726/a-novel-approach-for-99mtc-labeling-of-red-blood-cells-evaluation-of-99mtc-4saboroxime-as-a-blood-pool-imaging-agent
#6
Min Liu, Zuoquan Zhao, Wei Fang, Shuang Liu
Angiography with radiolabeled red blood cells (RBCs) plays an important role in diagnosis and prognosis in vascular diseases. Both in vitro and in vivo methods have been developed for 99mTc-labeling of RBCs. However, these methods are complicated and lack of reproducibility. Therefore, it is highly desirable to develop an alternative method for routine 99mTc-labeling of RBCs. In this report, we present a novel approach for 99mTc-labeling of RBCs. We prepared a new 99mTc(III) radiotracer [99mTcCl(CDO)(CDOH)2B-4AS] (99mTc-4ASboroxime: 4AS-B(OH)2 = 4-aminosulfonylphenyl)boronic acid, and CDOH2 = cyclohexanedione dioxime) in >95% radiochemical purity...
November 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29148431/comparative-efficacy-of-hemorrhage-control-of-a-novel-mesoporous-bioactive-glass-versus-two-commercial-hemostats
#7
Sara Pourshahrestani, Nahrizul Adib Bin Kadri, Ehsan Zeimaran, Nicola Gargiulo, Shani Samuel, Sangeetha Vasudevaraj Naveen, Khairunnisa Hasikin, Tunku Kamarul, Mark R Towler
Mesoporous bioactive glass containing 1% Ga2O3 (1%Ga-MBG) is attractive for hemorrhage control because of its surface chemistry which can promote blood-clotting. The present study compares this proprietary inorganic coagulation accelerator with two commercial hemostats, CeloxTM (CX) and QuikClot Advanced Clotting Sponge PlusTM (ACS+). The results indicate that the number of adherent platelets were higher on the 1%Ga-MBG and CX surfaces than ACS+ whereas a greater contact activation was seen on 1%Ga-MBG and ACS+ surfaces than CX...
November 17, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29148174/prehospital-transfusion-of-red-cell-concentrates-in-a-paramedic-staffed-helicopter-emergency-medical-service
#8
Stefan Heschl, Emily Andrew, Anthony de Wit, Stephen Bernard, Marcus Kennedy, Karen Smith
OBJECTIVE: The optimal volume and type of intravenous fluid for the treatment of blood loss in the prehospital setting is controversial. The use of red cell concentrates (RCCs) may be associated with improved outcomes; however, the administration of blood products is limited to physicians in many jurisdictions. We sought to describe the characteristics of RCC transfusions in a paramedic-staffed helicopter emergency medical system in Victoria, Australia. METHODS: We performed a retrospective analysis of all cases where paramedics consulted the responsible physician for approval of RCC transfusion between July 2011 and December 2015 in Victoria, Australia...
November 17, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/29147162/high-preoperative-neutrophil-lymphocyte-ratio-nlr-and-red-blood-cell-distribution-width-rdw-as-independent-predictors-of-native-arteriovenous-fistula-failure
#9
Rashid Usman, Muhammad Jamil, Muhammad Naveed
Objective: To study the association between a high preoperative neutrophil lymphocyte ratio (NLR) and red cell distribution width (RDW) with arteriovenous fistula (AVF) failure, as well as to determine the cut-off values in a South Asian population. Materials and Methods: A total of 150 consecutive patients with a failed fistula who presented in the Department of Vascular Surgery between January 2014 and January 2016. Patients fulfilling the inclusion criteria were selected as defined as Case. They were compared with 150 patients who had matured fistulae (Control)...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29146940/development-and-physiological-effects-of-an-artificial-diet-for-wolbachia-infected-aedes-aegypti
#10
Heverton Leandro Carneiro Dutra, Silvia Lomeu Rodrigues, Simone Brutman Mansur, Sofia Pimenta de Oliveira, Eric Pearce Caragata, Luciano Andrade Moreira
The endosymbiotic bacterium Wolbachia spreads rapidly through populations of Aedes aegypti mosquitoes, and strongly inhibits infection with key human pathogens including the dengue and Zika viruses. Mosquito control programs aimed at limiting transmission of these viruses are ongoing in multiple countries, yet there is a dearth of mass rearing infrastructure specific to Wolbachia-infected mosquitoes. One example is the lack of a blood meal substitute, which accounts for the Wolbachia-specific physiological changes in infected mosquitoes, that allows the bacterium to spread, and block viral infections...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146531/specific-oxygenation-of-plasma-membrane-phospholipids-by-pseudomonas-aeruginosa-lipoxygenase-induces-structural-and-functional-alterations-in-mammalian-cells
#11
Maceler Aldrovandi, Swathi Banthiya, Sven Meckelmann, You Zhou, Dagmar Heydeck, Valerie B O'Donnell, Hartmut Kuhn
Pseudomonas aeruginosa is a gram-negative pathogen, which causes life-threatening infections in immunocompromized patients. These bacteria express a secreted lipoxygenase (PA-LOX), which oxygenates free arachidonic acid to 15S-hydro(pero)xyeicosatetraenoic acid. It binds phospholipids at its active site and physically interacts with lipid vesicles. When incubated with red blood cells membrane lipids are oxidized and hemolysis is induced but the structures of the oxygenated membrane lipids have not been determined...
November 13, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29146407/-hemogram-profile-and-interest-of-pre-donation-hemoglobin-measurement-in-blood-donors-in-the-northwest-region-of-morocco
#12
S Bakrim, A Ouarour, K Jaidann, M Benajiba, A Masrar
BACKGROUND: Blood donation in Morocco and more particularly in the northwest region is carried out without prior determination of the pre-donation hemoglobin. In addition, we note the lack of scientific research that reports data on the red blood cells, leukocytes and platelet lines in donated blood at the regional or even national level. AIMS: To study hemogram profile in blood donors taken from the Northwest region of Morocco in order to provide decision makers of the National Center of Blood Transfusion and Hematology with valid scientific arguments to complete the criteria to donate whole blood, by the hemogram...
November 13, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/29146204/mercury-exposure-and-short-term-consequences-on-physiology-and-reproduction-in-antarctic-petrels
#13
Alice Carravieri, Jérôme Fort, Arnaud Tarroux, Yves Cherel, Oliver P Love, Solène Prieur, Maud Brault-Favrou, Paco Bustamante, Sébastien Descamps
Mercury (Hg) is a pervasive contaminant reaching Antarctic environments through atmospheric transport and deposition. Seabirds as meso to top predators can accumulate high quantities of Hg through diet. Reproduction is one of the most sensitive endpoints of Hg toxicity in marine birds. Yet, few studies have explored Hg exposure and effects in Antarctic seabirds, where increasing environmental perturbations challenge animal populations. This study focuses on the Antarctic petrel Thalassoica antarctica from Svarthamaren, Antarctica, where the world's largest breeding population is thought to be in decline...
November 13, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29145844/development-and-evaluation-of-an-interferon-gamma-assay-for-the-diagnosis-of-tuberculosis-in-red-deer-experimentally-infected-with-mycobacterium-bovis
#14
María Ángeles Risalde, Jobin Thomas, Iker Sevilla, Miriam Serrano, Jose Antonio Ortíz, Joseba Garrido, Mercedes Domínguez, Lucas Domínguez, Christian Gortázar, Jose Francisco Ruíz-Fons
BACKGROUND: Red deer (Cervus elaphus) is regarded as an epidemiologically relevant host for Mycobacterium bovis (M. bovis) and closely related members of the Mycobacterium tuberculosis complex that cause animal tuberculosis (TB). The standard antemortem screening test for the detection of TB in deer is the intradermal tuberculin skin test, but the detection of interferon-gamma (IFNγ) produced by white blood cells exposed to M. bovis antigens can be used as an alternative or supplemental assay in most TB eradication/control programs...
November 16, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29145790/innate-immunity-in-cardiac-myxomas-and-its-pathological-and-clinical-correlations
#15
Anna Di Vito, Gianluca Santise, Chiara Mignogna, Eusebio Chiefari, Gabriella Cardillo, Ivan Presta, Franco Arturi, Natalia Malara, Francesco Brunetti, Annalidia Donato, Domenico Maisano, Stefania Leonetti, Daniele Maselli, Tullio Barni, Giuseppe Donato
Cardiac myxomas are the most common benign cardiac tumor. We investigated the immunohistochemical properties of 11 surgically excised cardiac myxomas, in order to analyze the correlation between macrophages and mast cell populations and clinical parameters. CD68(+)/CD163(-)/iNOS(-) (M0) cells represent the most abundant macrophage phenotype; however, CD68(+)/CD163(+) cells (M2) were also frequent. CD68(+)/iNOS(+) (M1) elements were rare. Mast cells, defined as a population of c-kit (CD117)(+) and/or tryptase(+) cells were also detected...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/29145693/early-erythropoiesis-stimulating-agents-in-preterm-or-low-birth-weight-infants
#16
REVIEW
Arne Ohlsson, Sanjay M Aher
BACKGROUND: Preterm infants have low plasma levels of erythropoietin (EPO), providing a rationale for the use of erythropoiesis-stimulating agents (ESAs) to prevent or treat anaemia and to provide neuro protection and protection against necrotising enterocolitis (NEC). Darbepoetin (Darbe) and EPO are currently available ESAs. OBJECTIVES: To assess the effectiveness and safety of ESAs (erythropoietin (EPO) and/or Darbe) initiated early (before eight days after birth) compared with placebo or no intervention in reducing red blood cell (RBC) transfusions, adverse neurological outcomes, and feeding intolerance including necrotising enterocolitis (NEC) in preterm and/or low birth weight infants...
November 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29145679/-leukopenia-a-diagnostic-guideline-for-the-clinical-routine
#17
Deborah Christen, Tim H Brümmendorf, Jens Panse
Reasons for leukopenia can be numerous. To get close to the diagnosis it's always useful to check previous blood counts of the patient to get a feeling for the dynamic development of the leukopenia. Furthermore, it's important to check the red blood cell count and platelet count as well; a bi- or a pancytopenia usually implies an insufficient production in the bone marrow. Nevertheless, a manual counted peripheral blood smear is an essential step towards the right diagnosis in leukopenia: Beside cell counts of the single subgroups of leucocytes it also provides information on potential causes such as dysplasia...
November 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29145299/prophylactic-temporary-abdominal-aorta-balloon-occlusion-in-women-with-placenta-previa-accretism-during-late-gestation
#18
Zhongyuan Qiu, Jifen Hu, Jianbo Wu, Lihong Chen
BACKGROUND: To evaluate the clinical efficacy of prophylactic temporary balloon occlusion of the abdominal aorta in patients with placenta previa accretism during cesarean section. METHODS: Twenty-three consecutive patients, prenatally confirmed with placenta previa accretism were retrospectively analyzed in our center from August 2012 to October 2014. All 23 subjects underwent cesarean section with prophylactic balloon occlusion of the abdominal aorta. RESULTS: All of the 23 subjects experienced singleton pregnancies leading to the birth of live infants...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145107/postoperative-thoracic-hemorrhage-after-right-upper-lobectomy-with-thoracic-wall-resection-during-rivaroxaban-anticoagulant-therapy-for-deep-leg-vein-thrombosis-a-case-report
#19
Taiji Kuwata, Masatoshi Kanayama, Ayako Hirai, Shuichi Shinohara, Masaru Takenaka, Soichi Oka, Yasuhiro Chikaishi, Naoko Imanishi, Koji Kuroda, Fumihiro Tanaka
INTRODUCTION: Postoperative pulmonary embolism (PE) is the one of the most important complications after thoracic surgery. This complicatin after the surgery is often treated by new anticoaglant drug, such as rivaroxaban, which dose not need to the monitoring of blood coaglation system. We experienced postoperative bleeding case during anticoaglant therapy using rivaroxaban. PRESENTATION OF CASE: The patient underwent a right upper lobectomy with lung and chest wall resection for lung cancer...
November 11, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29143777/margination-of-fluorescent-polylactic-acid-polyaspartamide-based-nanoparticles-in-microcapillaries-in-vitro-the-effect-of-hematocrit-and-pressure
#20
Emanuela Fabiola Craparo, Rosa D'Apolito, Gaetano Giammona, Gennara Cavallaro, Giovanna Tomaiuolo
The last decade has seen the emergence of vascular-targeted drug delivery systems as a promising approach for the treatment of many diseases, such as cardiovascular diseases and cancer. In this field, one of the major challenges is carrier margination propensity (i.e., particle migration from blood flow to vessel walls); indeed, binding of these particles to targeted cells and tissues is only possible if there is direct carrier-wall interaction. Here, a microfluidic system mimicking the hydrodynamic conditions of human microcirculation in vitro is used to investigate the effect of red blood cells (RBCs) on a carrier margination in relation to RBC concentration (hematocrit) and pressure drop...
October 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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