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https://www.readbyqxmd.com/read/28523859/glucose-6-phosphate-dehydrogenase-deficiency-induced-haemolysis-in-a-woman-with-newly-diagnosed-diabetes-after-normalization-of-hyperglycaemia
#1
F ALjishi, M ALDarwish
Glucose-6-phosphate dehydrogenase (G6PD) catalyses the initial step in the hexose monophosphate pathway that protects red blood cells against oxidative injury via the production of NADPH [1]. The exact association between diabetes and G6PD deficiency remains a matter of debate. People with G6PD deficiency can develop severe haemolytic anaemia in conjunction with new-onset diabetes, particularly within the setting of ketoacidosis. This phenomenon has been reported previously, but is uncommon [2-18]. This article is protected by copyright...
May 19, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28518051/red-blood-cells-ageing-markers-a-multi-parametric-analysis
#2
Manon Bardyn, Benjamin Rappaz, Keyvan Jaferzadeh, David Crettaz, Jean-Daniel Tissot, Inkyu Moon, Gerardo Turcatti, Niels Lion, Michel Prudent
BACKGROUND: Red blood cells collected in citrate-phosphate-dextrose can be stored for up to 42 days at 4 °C in saline-adenine-glucose-mannitol additive solution. During this controlled, but nevertheless artificial, ex vivo ageing, red blood cells accumulate lesions that can be reversible or irreversible upon transfusion. The aim of the present study is to follow several parameters reflecting cell metabolism, antioxidant defences, morphology and membrane dynamics during storage. MATERIALS AND METHODS: Five erythrocyte concentrates were followed weekly during 71 days...
May 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28518048/the-potential-adverse-effects-of-haemolysis
#3
REVIEW
Francesca Rapido
Haemolysis occurs in many haematologic and non-haematologic diseases. Transfusion of packed red blood cells (pRBCs) can result in intravascular haemolysis, in which the RBCs are destroyed within the circulation, and extravascular haemolysis, in which RBCs are phagocytosed in the monocyte-macrophage system. This happens especially after RBCs have been stored under refrigerated conditions for long periods. The clinical implications and the relative contribution of intra- vs extra-vascular haemolysis are still a subject of debate...
May 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28516949/paroxysmal-nocturnal-haemoglobinuria
#4
REVIEW
Anita Hill, Amy E DeZern, Taroh Kinoshita, Robert A Brodsky
Paroxysmal nocturnal haemoglobinuria (PNH) is a clonal haematopoietic stem cell (HSC) disease that presents with haemolytic anaemia, thrombosis and smooth muscle dystonias, as well as bone marrow failure in some cases. PNH is caused by somatic mutations in PIGA (which encodes phosphatidylinositol N-acetylglucosaminyltransferase subunit A) in one or more HSC clones. The gene product of PIGA is required for the biosynthesis of glycosylphosphatidylinositol (GPI) anchors; thus, PIGA mutations lead to a deficiency of GPI-anchored proteins, such as complement decay-accelerating factor (also known as CD55) and CD59 glycoprotein (CD59), which are both complement inhibitors...
May 18, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28511389/variability-of-iron-load-in-patients-of-sickle-cell-anaemia-hbss-a-study-from-eastern-india
#5
Pranati Mohanty, Rabindra Kumar Jena, Sudha Sethy
INTRODUCTION: Sickle Cell Anaemia (SCA) is one of the commonest haemoglobinopathies due to a point mutation (A→T) of the β-globin gene. Out of five haplotypes, the Arab-Indian haplotype present in India is one of the least severe phenotype and least studied also. It is characterized by lifelong haemolytic anaemia requiring red cell transfusion leading to iron overload. In contrast, there is very high incidence of deficiency of iron, folic acid and vitamin B12. AIM: Our objective was to access the Iron status of SCA patients and to find its correlation with various parameters like red cell transfusion, haemolysis and serum hepcidin...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28504816/virulence-factors-and-antimicrobial-resistance-in-environmental-strains-of-vibrio-alginolyticus
#6
Marcos F Hernández-Robles, Ana K Álvarez-Contreras, Patricia Juárez-García, Iván Natividad-Bonifacio, Everardo Curiel-Quesada, Carlos Vázquez-Salinas, Elsa I Quiñones-Ramírez
Vibrio alginolyticus has acquired increasing importance because this microorganism may be pathogenic to aquatic animals and humans. It has been reported that some V. alginolyticus strains carry virulence genes derived from pathogenic V. cholerae and V. parahaemolyticus strains. In this work V. alginolyticus was isolated from oyster samples acquired from a food-market in Mexico City. Thirty isolates were identified as V. alginolitycus. Strains showed β-haemolysis and proteolytic activity and produced a capsule...
December 2016: International Microbiology: the Official Journal of the Spanish Society for Microbiology
https://www.readbyqxmd.com/read/28493920/haemolytic-activity-of-soil-from-areas-of-varying-podoconiosis-endemicity-in-ethiopia
#7
Jennifer S Le Blond, Peter J Baxter, Dhimiter Bello, Jennifer Raftis, Yordanos B Molla, Javier Cuadros, Gail Davey
BACKGROUND: Podoconiosis, non-filarial elephantiasis, is a non-infectious disease found in tropical regions such as Ethiopia, localized in highland areas with volcanic soils cultivated by barefoot subsistence farmers. It is thought that soil particles can pass through the soles of the feet and taken up by the lymphatic system, leading to the characteristic chronic oedema of the lower legs that becomes disfiguring and disabling over time. METHODS: The close association of the disease with volcanic soils led us to investigate the characteristics of soil samples in an endemic area in Ethiopia to identify the potential causal constituents...
2017: PloS One
https://www.readbyqxmd.com/read/28488968/prevention-of-red-cell-storage-lesion-a-comparison-of-five-different-additive-solutions
#8
Johan W Lagerberg, Herbert Korsten, Pieter F Van Der Meer, Dirk De Korte
BACKGROUND: In Europe, red cell concentrates (RCC) are usually stored in SAGM (saline-adenine-glucose-mannitol). During storage, in vitro red cell quality declines, including lowered energy status and increased cell lysis. Recently, several additive solutions (ASs), designed to diminish the decline in in vitro quality during storage, have been developed. These new solutions have mainly been developed to better maintain red blood cell (RBC) 2,3-biphosphoglycerate (2,3 BPG) levels and energy status during storage...
April 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28488966/haemolysis-pure-red-cell-aplasia-and-red-cell-antibody-formation-associated-with-major-and-bidirectional-abo-incompatible-haematopoietic-stem-cell-transplantation
#9
Gordana Tomac, Ines Bojanić, Sanja Mazić, Ivana Vidović, Mirela Raos, Branka Golubić Ćepulić, Ranka Serventi Seiwerth, Jadranka Kelečić, Boris Labar
BACKGROUND: Acute and delayed haemolysis, alloimmunisation and pure red cell aplasia (PRCA) are potential complications after ABO incompatible haematopoietic stem cell transplantation (HSCT). The aims of this study were to investigate acute and delayed red blood cell (RBC) antibody-associated complications, including haemolysis, PRCA and alloimmunisation in major and bidirectional ABO incompatible HSCT. MATERIALS AND METHODS: We retrospectively examined the transplant courses of 36 recipients of bone marrow or peripheral blood stem cells from ABO incompatible donors and evaluated the current practice of performing plasmapheresis in patients with higher isoagglutinin titres...
April 19, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28488959/temperature-dependent-haemolytic-propensity-of-cpda-1-stored-red-blood-cells-vs-whole-blood-red-cell-fragility-as-donor-signature-on-blood-units
#10
Vassilis L Tzounakas, Alkmini T Anastasiadi, Dimitrios G Karadimas, Redisa A Zeqo, Hara T Georgatzakou, Olga D Pappa, Olga A Papatzitze, Konstantinos E Stamoulis, Issidora S Papassideri, Marianna H Antonelou, Anastasios G Kriebardis
BACKGROUND: To preserve cellular integrity and avoid bacterial growth, storage and transfer of blood and blood products follow strict guidelines in terms of temperature control. We evaluated the impact of ineligible warming of whole blood donations on the quality of blood components. MATERIAL AND METHODS: One-hundred and twenty units of whole blood (WB) from eligible blood donors were collected in CPDA-1 and stored at 4±2 °C. During shipment to the blood processing centre, a gradual warming up to 17 °C was recorded within a period of less than eight hours...
April 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28487302/prophylactic-use-of-eculizumab-during-surgery-in-chronic-cold-agglutinin-disease
#11
Eirik Tjønnfjord, Øystein A Vengen, Sigbjørn Berentsen, Geir Erland Tjønnfjord
Primary chronic cold agglutinin disease (CAD) is an autoimmune haemolytic anaemia in which a specific bone marrow lymphoproliferative disorder causes production of cold agglutinins (CA). Binding of CA to erythrocyte surface antigens results in a predominantly extravascular haemolysis that is entirely complement dependent. Because of complement activation, exacerbations are common during febrile infections, trauma or major surgery. Involvement of the terminal complement pathway with C5-mediated intravascular haemolysis is probably not prominent in stable disease but is supposed to be of importance in exacerbations following acute phase reaction...
May 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28481998/minimally-invasive-heart-valve-surgery-influence-on-coagulation-and-inflammatory-response%C3%A2
#12
Domenico Paparella, Crescenzia Rotunno, Pietro Guida, Mattia Travascia, Micaela De Palo, Andrea Paradiso, Alessandro Carrozzo, Ruggero Rociola
OBJECTIVES: Minimally invasive valve surgery (MIVS) is associated with improved clinical outcome but longer cardiopulmonary bypass (CPB) time. The aim of the present study is to compare inflammatory and coagulation parameters in patients undergoing minimally invasive or standard valve surgery. METHODS: A prospective non-randomized study was performed enrolling 79 patients undergoing mitral (20 right mini-thoracotomy and 18 standard sternotomy) and aortic valve (20 mini-sternotomy and 21 standard sternotomy) procedures...
May 6, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28466542/association-between-oxidative-stress-and-vascular-reactivity-in-children-with-sickle-cell-anaemia-and-sickle-haemoglobin-c-disease
#13
Berenike Möckesch, Philippe Connes, Keyne Charlot, Sarah Skinner, Marie-Dominique Hardy-Dessources, Marc Romana, Stéphane Jumet, Marie Petras, Lydia Divialle-Doumdo, Cyril Martin, Benoît Tressières, Vanessa Tarer, Olivier Hue, Maryse Etienne-Julan, Sophie Antoine, Vincent Pialoux
Oxidative stress and haemolysis-associated nitric oxide (NO) depletion plays a crucial role in the development of vasculopathy in sickle cell anaemia (SS). However it remains unknown whether oxidative stress and haemolysis levels influence vascular function in patients with sickle haemoglobin C disease (SC). Microvascular response to heat (using Laser Doppler flowmetry on finger), oxidative stress biomarkers, NO metabolites, endothelin-1 and haematological parameters were compared between patients with SS and SC...
May 3, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28438568/a-novel-mutation-in-pmrb-mediates-colistin-resistance-during-therapy-of-acinetobacter-baumannii
#14
Elias Dahdouh, Rosa Gómez-Gil, Sonia Sanz, Bruno González-Zorn, Ziad Daoud, Jesús Mingorance, Monica Suárez
Acinetobacter baumannii is a highly versatile nosocomial pathogen. Multidrug resistance among A. baumannii isolates led to the use of colistin, subsequently giving rise to colistin-resistant strains. In this study, the genetic and phenotypic profiles of two colistin-resistant A. baumannii isolates were investigated. Two A. baumannii isolates were obtained from Patient 1 (C071 and C440) and three isolates were obtained from Patient 2 (C080, C314 and C428). Susceptibility profiles were determined by VITEK(®)2 and Etest...
June 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28438419/importance-of-extended-blood-group-genotyping-in-multiply-transfused-patients
#15
Nadila Haryani Osman, Jameela Sathar, Chooi Fun Leong, Noor Fadzilah Zulkifli, Raja Zahratul Azma Raja Sabudin, Ainoon Othman, Asral Wirda Ahmad Asnawi
Blood group antigen systems are not limited to the ABO blood groups. There is increasing interest in the detection of extended blood group systems on the red cell surface. The conventional method used to determine extended blood group antigens or red cell phenotype is by serological testing, which is based on the detection of visible haemagglutination or the presence of haemolysis. However, this technique has many limitations due to recent exposure to donor red cell, certain drugs or medications or other diseases that may alter the red cell membrane...
April 9, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28434090/a-best-practice-position-statement-on-the-role-of-the-nephrologist-in-the-prevention-and-follow-up-of-preeclampsia-the-italian-study-group-on-kidney-and-pregnancy
#16
Giorgina Barbara Piccoli, Gianfranca Cabiddu, Santina Castellino, Giuseppe Gernone, Domenico Santoro, Gabriella Moroni, Donatella Spotti, Franca Giacchino, Rossella Attini, Monica Limardo, Stefania Maxia, Antioco Fois, Linda Gammaro, Tullia Todros
Preeclampsia (PE) is a protean syndrome causing a transitory kidney disease, characterised by hypertension and proteinuria, ultimately reversible after delivery. Its prevalence is variously estimated, from 3 to 5% to 10% if all the related disorders, including also pregnancy-induced hypertension (PIH) and HELLP syndrome (haemolysis, increase in liver enzyme, low platelets) are included. Both nephrologists and obstetricians are involved in the management of the disease, according to different protocols, and the clinical management, as well as the role for each specialty, differs worldwide...
April 22, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28433984/haemophagocytic-lymphohistiocytosis-presenting-as-hellp-syndrome-a-diagnostic-and-therapeutic-challenge
#17
Robert Noel Kerley, Raymond Michael Kelly, Mary Rose Cahill, Louise Clare Kenny
Haemophagocytic lymphohistiocytosis (HLH) is a rare, potentially fatal, haematological disorder, which can be clinically challenging to diagnose and manage. We report a case of HLH in a previously healthy 33-year-old primigravida. The patient presented at 22 weeks gestation with dyspnoea, abdominal pain, anaemia, thrombocytopenia and elevated liver enzymes suggestive of HELLP syndrome.HELLP, a syndrome characterised by haemolysis, elevated liver enzymes and low platelets is considered a severe form of pre-eclampsia...
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28428949/p2x1-p2x4-and-p2x7-receptor-knock-out-mice-expose-differential-outcome-of-sepsis-induced-by-%C3%AE-haemolysin-producing-escherichia-coli
#18
Anne-Sofie Greve, Marianne Skals, Steen K Fagerberg, Wulf Tonnus, Svend Ellermann-Eriksen, Richard J Evans, Andreas Linkermann, Helle A Praetorius
α-haemolysin (HlyA)-producing Escherichia coli commonly inflict severe urinary tract infections, including pyelonephritis, which comprises substantial risk for sepsis. In vitro, the cytolytic effect of HlyA is mainly mediated by ATP release through the HlyA pore and subsequent P2X1/P2X7 receptor activation. This amplification of the lytic process is not unique to HlyA but is observed by many other pore-forming proteins including complement-induced haemolysis. Since free hemoglobin in the blood is known to be associated with a worse outcome in sepsis one could speculate that inhibition of P2X receptors would ameliorate the course of sepsis...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28424024/molecular-profiling-and-bioactive-potential-of-an-endophytic-fungus-aspergillus-sulphureus-isolated-from-sida-acuta-a-medicinal-plant
#19
M Murali, C Mahendra, P Hema, N Rajashekar, A Nataraju, M S Sudarshana, K N Amruthesh
CONTEXT: Sida acuta Burm.f. (Malvaceae) extracts are reported to have applications against malaria, diuretic, antipyretic, nervous and urinary diseases. No fungal endophytes of S. acuta are reported. OBJECTIVE: Isolation, identification and evaluation of antibacterial, antioxidant, anticancer and haemolytic potential of fungal endophytes from the ethnomedcinal plant S. acuta. MATERIALS AND METHODS: Sida acuta stem segments were placed on PDA medium to isolate endophytic fungi...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28410390/accessory-gene-regulator-agr-functionality-in-staphylococcus-aureus-derived-from-lower-respiratory-tract-infections
#20
Meissiner Gomes-Fernandes, Maisem Laabei, Natalia Pagan, Jessica Hidalgo, Sònia Molinos, Raquel Villar Hernandez, Dídac Domínguez-Villanueva, A Toby A Jenkins, Alicia Lacoma, Cristina Prat
OBJECTIVE: Characterization of Staphylococcus aureus clinical isolates derived from lower respiratory tract infections (LRTIs), and correlation between the functionality of the accessory gene regulator (Agr) and genotypic and phenotypic characteristics, clinical variables and clinical outcome. METHODS: S aureus isolates derived from LRTIs and control groups (nasal carriage and bacteraemia) were genotyped using StaphyType DNA microarray. Agr activity was evaluated using the CAMP synergistic haemolysis assay and the Vesicle Lysis Test (VLT)...
2017: PloS One
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