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https://www.readbyqxmd.com/read/29346736/light-activatable-red-blood-cell-membrane-camouflaged-dimeric-prodrug-nanoparticles-for-synergistic-photodynamic-chemotherapy
#1
Qing Pei, Xiuli Hu, Xiaohua Zheng, Shi Liu, Yawei Li, Xiabin Jing, Zhigang Xie
Biomimetic approach offers numerous opportunities to design therapeutic platforms with enhanced antitumor performance and biocompatibility. Herein we report a novel red blood cell membrane-camouflaged nanoparticle (RBC(M(TPC-PTX))) for synergistic chemo- and photodynamic therapy (PDT). Specifically, the inner core is mainly constructed by reactive oxygen species (ROS)-responsive PTX dimer (PTX2-TK) and photosensitizer 5,10,15,20-tetraphenylchlorin (TPC). In vitro experiments show that the prepared RBC(M(TPC-PTX)) is readily taken up into endosomes...
January 18, 2018: ACS Nano
https://www.readbyqxmd.com/read/29346671/hematological-analysis-in-thai-samples-with-deletional-and-nondeletional-hbh-diseases
#2
Sakorn Pornprasert, Nur-Afsan Salaeh, Monthathip Tookjai, Manoo Punyamung, Panida Pongpunyayuen, Kallayanee Treesuwan
Objectives: To compare hematological parameters between deletional and nondeletional HbH diseases, and to investigate the correlation between HbH levels and hematological parameters within these 2 groups. Methods: Samples of 43 deletional HbH diseases, which included 39 --SEA/-α3.7, 4 - -SEA/-α4.2, and 22 nondeletional HbH diseases (- -SEA/αcsα), were used in this study. Correlations between HbH levels and hematological parameters within these 2 groups were analyzed...
January 13, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29346441/a-portable-system-for-processing-donated-whole-blood-into-high-quality-components-without-centrifugation
#3
Sean C Gifford, Briony C Strachan, Hui Xia, Eszter Vörös, Kian Torabian, Taylor A Tomasino, Gary D Griffin, Benjamin Lichtiger, Fleur M Aung, Sergey S Shevkoplyas
BACKGROUND: The use of centrifugation-based approaches for processing donated blood into components is routine in the industrialized world, as disparate storage conditions require the rapid separation of 'whole blood' into distinct red blood cell (RBC), platelet, and plasma products. However, the logistical complications and potential cellular damage associated with centrifugation/apheresis manufacturing of blood products are well documented. The objective of this study was to evaluate a proof-of-concept system for whole blood processing, which does not employ electromechanical parts, is easily portable, and can be operated immediately after donation with minimal human labor...
2018: PloS One
https://www.readbyqxmd.com/read/29345902/flexible-amoxicillin-grafted-bacterial-cellulose-sponges-for-wound-dressing-in-vitro-and-in-vivo-evaluation
#4
Shan Ye, Lei Jiang, Jimin Wu, Chen Su, Chaobo Huang, Xiufeng Liu, Wei Shao
In this study, we report the design and fabrication of a novel biocompatible sponge with excellent antibacterial property, making it a promising material for wound dressings. The sponge is formed by grafting amoxicillin onto regenerated bacterial cellulose (RBC). It was observed that the grafted RBC could enhance the antibacterial activity against fungus, Gram-negative and Gram-positive bacteria. The morphology of strains treated with the grafted RBC and fluorescent stain results further demonstrated the antibacterial ability of the fabricated sponge...
January 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29345745/comparison-of-flow-cytometric-methods-for-the-enumeration-of-residual-leucocytes-in-leucoreduced-blood-products-a-multicenter-study
#5
Yang Zeng, Michelle Dabay, Virginia George, Shalini Seetharaman, Monika de Arruda Indig, Sharon Graminske, Nicole Kimpel, Anna Schmidt, Amanda Boerner, Sarai Paradiso, Tatyana Delman, Yunyao Li, Viktoriya Litvak, Farzad Oreizy, Angela Chen, Maryam Saleminik, Fred Mosqueda, Anna Lin, Kevin Judge
The BD FACSVia™ System features novel designs in hardware, software, and instrument QC. We compared the performance of the BD FACSVia System using the BD Leucocount™ kit with the BD FACSCalibur™ flow cytometer. Leucoreduced platelet (PLT, n = 252) and red blood cell (RBC, n = 278) specimens were enrolled at four sites. Each specimen was stained in four tubes using the BD Leucocount kit reagents and acquired on the two systems. BD Leucocount Control cells (high and low) were used to evaluate the inter-site reproducibility on the BD FACSVia System at three sites over 20 days...
January 18, 2018: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/29345438/evaluation-of-hepatic-glycogen-content-some-haematological-and-biochemical-parameters-of-alloxan-induced-diabetic-rats-treated-with-combinations-of-glibenclamide-and-g-latifolium-extract
#6
Patrick E Aba
Background Diabetes is associated with both biochemical and haematological complications. Combination therapy has been advocated to mitigate some of these complications. Aim This study was designed to investigate the effects of glibenclamide and Gongronema latifolium (GL) on hepatic glycogen content and haemato-biochemical parameters. Methods Thirty male Wistar rats were assigned into five groups of six rats each. Groups 2-5 rats received intraperitoneally, 160 mg/kg of alloxan monohydrate while group 1 rats served as normal control...
May 4, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29344708/treatment-of-combined-traumatic-brain-injury-and-hemorrhagic-shock-with-fractionated-blood-products-versus-fresh-whole-blood-in-a-rat-model
#7
Akiva Leibowitz, Evgeni Brotfain, Leonid Koyfman, Moti Klein, Shmuel Hess, Alexander Zlotnik, Matthew Boyko
INTRODUCTION: Treatment of combined traumatic brain injury and hemorrhagic shock, poses a particular challenge due to the possible conflicting consequences. While restoring diminished volume is the treatment goal for hypovolemia, maintaining adequate cerebral perfusion pressure and avoidance of secondary damage remains a treatment goal for the injured brain. Various treatment modalities have been proposed, but the optimal resuscitation fluid and goals have not yet been clearly defined...
January 17, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29344582/factor-xiii-in-plasma-but-not-in-platelets-mediates-red-blood-cell-retention-in-clots-and-venous-thrombus-size-in-mice
#8
Sravya Kattula, James R Byrnes, Sara M Martin, Lori A Holle, Brian C Cooley, Matthew J Flick, Alisa S Wolberg
The transglutaminase factor XIII (FXIII) stabilizes clots against mechanical and biochemical disruption and is essential for hemostasis. In vitro and in vivo models of venous thrombosis demonstrate that FXIII mediates clot size by promoting red blood cell (RBC) retention. However, the key source of FXIII and whether FXIII activity can be reduced to suppress thrombosis without imposing deleterious hemostatic consequences are 2 critical unresolved questions. FXIII is present in multiple compartments, including plasma (FXIIIplasma) as a heterotetramer of A2 and B2 subunits and platelets (FXIIIplt) as an A2 homodimer...
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29343776/critical-shear-stress-is-associated-with-diabetic-kidney-disease-in-patients-with-type-2-diabetes
#9
Seung Min Chung, Jung Hyun Oh, Jun Sung Moon, Yu Kyung Kim, Ji Sung Yoon, Kyu Chang Won, Hyoung Woo Lee
Critical shear stress (CSS, mPa) is an index of red blood cell (RBC) aggregability, defined as the minimal shear stress required to disperse RBC aggregates. This study aimed to investigate the association between CSS and the risk of diabetic kidney disease (DKD). A total of 421 (mean age, 58.1 ± 11.5 years; male, 250) individuals with T2DM were enrolled and divided into three groups according to CSS level. CSS was measured using a transient microfluidic technique. DKD was defined as a glomerular filtration rate (GFR) <60 ml/min/1...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29341199/timing-of-gamma-irradiation-and-blood-donor-sex-influences-in-vitro-characteristics-of-red-blood-cells
#10
Dirk de Korte, Louis Thibault, Wiebke Handke, Sarah K Harm, Alex Morrison, Aine Fitzpatrick, Denese C Marks, Qi-Long Yi, Jason P Acker
BACKGROUND: There are few studies investigating the effect of irradiation on red blood cells (RBCs) during storage. This study analyzed changes in in vitro quality of RBCs irradiated at several points during storage with the aim of providing evidence to support current maximum pre- and postirradiation storage limits. STUDY DESIGN AND METHODS: Each of seven participating centers produced four pools of 7 standard RBC units (SAGM, AS-3, or PAGGSM), which were then split back into 7 units...
January 17, 2018: Transfusion
https://www.readbyqxmd.com/read/29340730/age-dependent-association-between-pre-transplant-blood-transfusion-and-outcomes-of-pediatric-heart-transplantation
#11
C McKee, D Tumin, B R Alevriadou, K K Nicol, A R Yates, D Hayes, J D Tobias
Avoidance of red blood cell (RBC) transfusions in patients awaiting heart transplantation (HTx) has been suggested to minimize the risk of allosensitization. Although recent studies have suggested that an immature immune system in younger HTx recipients may reduce risks associated with RBC transfusion, the role of age in moderating the influence of transfusion on HTx outcomes remains unclear. We used available data from a national transplant registry to explore whether the association between pre-transplant transfusions and outcomes of pediatric HTx varies by patient age...
January 16, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29340128/hematological-reference-intervals-for-healthy-iranian-blood-donors
#12
Mahboubeh Rasouli, Mojgan Pourmokhtar, Shaghayegh Sarkardeh
Background: Development of locally-derived hematological reference intervals is necessary for improving the quality of health care and clinical trials. However hematological reference intervals are affected by several variables including age, gender and environmental factors. Therefore this study was conducted to determine the gender and age-specific hematological reference intervals of healthy Iranian blood donors. Materials and Methods: Selected hematological indices of 394 healthy blood donor volunteers, donating blood at Tehran Blood Transfusion Center were analyzed...
October 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/29339567/erythrocyte-membrane-coated-gold-nanocages-for-targeted-photothermal-and-chemical-cancer-therapy
#13
Dao-Ming Zhu, Wei Xie, Yu-Sha Xiao, Meng Suo, Ming-Hui Zan, Qing-Quan Liao, Xue-Jia Hu, Li-Ben Chen, Bei Chen, Wen-Tao Wu, Li-Wei Ji, Hui-Ming Huang, Shi-Shang Guo, Xing-Zhong Zhao, Quan-Yan Liu, Wei Liu
Recently, red blood cell (RBC) membrane-coated nanoparticles have attracted much attention because of their excellent immune escapability; meanwhile, gold nanocages (AuNs) have been extensively used for cancer therapy due to their photothermal effect and drug delivery capability. The combination of the RBC membrane coating and AuNs may provide an effective approach for targeted cancer therapy. However, few reports have shown the utilization of combining these two technologies. Here, we design erythrocyte membrane-coated gold nanocages for targeted photothermal and chemical cancer therapy...
January 17, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29338568/lactoferrin-plus-health-education-versus-total-dose-infusion-tdi-of-low-molecular-weight-lmw-iron-dextran-for-treating-iron-deficiency-anemia-ida-in-pregnancy-a-randomized-controlled-trial
#14
A M Darwish, Fouly Ha, W H Saied, E Farah
BACKGROUND: Iron deficiency anemia (IDA) is one of the most common medical disorder disturbing pregnancies particularly in low resources countries, and contributes significantly to morbidities and mortalities. Thus, early diagnosis and prompt management of IDA is highly recommended. AIM: To Test the efficacy and safety of oral lactoferrin plus health education provided by a nurse versus total dose infusion (TDI) of low-molecular weight (LMW) iron dextran for treating IDA in the second and third trimester of pregnancy...
January 16, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29336630/ameliorating-role-of-lycopene-tomato-puree-and-spirulina-tomato-puree-on-the-hematology-of-fluoride-exposed-swiss-albino-mice
#15
Shweta Sharma, Puneet Parashar, Subhasini Sharma, Kanta Prasad Sharma
Plant species rich in antioxidants (vitamins, flavonoids, lignans, and carotenoids) have been explored for complementary therapy of chronic diseases (cancers, coronary heart disease) and mitigation of pollutant toxicity. This article investigates their ameliorative role on selective hematological and serum biochemical parameters in fluoride-exposed (190 mg/kg body weight) Swiss albino mice pretreated with the antioxidant-rich diet supplements tomato puree (with and without peels), spirulina (cyanobacteria), and lycopene (present in tomato) for 45 days prior to entry into experimental protocol...
January 16, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29335406/thalidomide-plus-prednisone-with-or-without-danazol-therapy-in-myelofibrosis-a-retrospective-analysis-of-incidence-and-durability-of-anemia-response
#16
Xueping Luo, Zefeng Xu, Bing Li, Tiejun Qin, Peihong Zhang, Hongli Zhang, Liwei Fang, Lijuan Pan, Naibo Hu, Shiqiang Qu, Yue Zhang, Gang Huang, Robert Peter Gale, Zhijian Xiao
Low-dose thalidomide and prednisone alone or combined are effective therapies in some persons with primary myelofibrosis (PMF) and anemia with or with RBC transfusion dependence. Danazol is also effective in some persons with PMF and anemia. Responses to these drugs are typically incomplete and not sustained. It is unclear whether adding danazol to thalidomide and prednisone would improve efficacy. We retrospectively compared the outcomes of 88 subjects with PMF and anemia receiving thalidomide and prednisone without (n = 46) or with danazol (n = 42)...
January 15, 2018: Blood Cancer Journal
https://www.readbyqxmd.com/read/29335019/patient-blood-management-programs-how-to-spread-the-word
#17
Shoshana Revel-Vilk, Mira Naamad
Red blood cell (RBC) transfusions save lives and improve health; however, unnecessary transfusion practice exposes patients to immediate and long-term negative consequences. Indirect consequences of unnecessary transfusions are the reduced availability of RBC units for patients who are in need. Accumulating evidence shows that restricting RBC transfusions improves outcomes and current guidelines suggest limiting RBC transfusion to the minimum number of units required to relieve symptoms of anemia or to return the patient to a safe hemoglobin range (7-8 g/dl in stable, non-cardiac inpatients)...
January 15, 2018: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/29334571/use-of-french-lyophilized-plasma-transfusion-in-severe-trauma-patients-is-associated-with-an-early-plasma-transfusion-and-early-transfusion-ratio-improvement
#18
Cédric Nguyen, Julien Bordes, Pierre-Julien Cungi, Pierre Esnault, Michael Cardinale, Quentin Mathais, Jean Cotte, Sébastien Beaume, Anne Sailliol, Bertrand Prunet, Eric Meaudre
BACKGROUND: Early transfusion of high ratio of fresh frozen plasma (FFP) and red blood cells (RBC) is associated with mortality reduction. However, time to reach high ratio is limited by the need to thaw the FFP. French lyophilized plasma (FLYP) used by French army and available in military teaching hospital does not need to be thawed and is immediately available. We hypothesize that the use of FLYP may reduce time to reach a plasma:RBC ratio of 1/1. METHODS: A retrospective study performed in a Level 1 trauma center between January 2012 and December 2015...
January 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29333619/surrogate-scale-for-evaluating-respiratory-function-based-on-complete-blood-count-parameters
#19
Yang Guang, Zhou Jie, Dong Feng, Liu Hui
BACKGROUND: In this study, we aimed to identify a simple method for evaluating respiratory function using complete blood count parameters. METHODS: The complete blood count parameters, including red blood cell (RBC) count, hemoglobin (Hb) level, lymphocyte (Lym) and platelet (Plt) count, and partial pressure of oxygen (PO2 ) level, were measured using automated analyzers in patients with chronic obstructive pulmonary disease (COPD), aged subjects, and young subjects (control group)...
January 15, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29331737/hematology-reference-intervals-for-neonatal-holstein-calves
#20
Nikolaos Panousis, Nektarios Siachos, Georgios Kitkas, Emmanouil Kalaitzakis, Maria Kritsepi-Konstantinou, Georgios E Valergakis
Data regarding hematologic reference intervals (RI) for neonatal calves have not been published yet. The aims of this study were: a) to establish hematology RIs for neonatal Holstein calves, b) to compare them with the RIs for lactating cows, and c) to investigate the relationship of age and gender with the hematologic profile of calves. Two-hundred and fifty-four clinically healthy Holstein calves (1-9days old, from 30 farms) and 82 healthy Holstein cows (between 30 and 150days in milk, from 10 farms) were blood sampled once for a complete blood count evaluation, using the ADVIA 120 hematology analyzer...
January 9, 2018: Research in Veterinary Science
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