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https://www.readbyqxmd.com/read/28338321/thiol-reactive-star-polymers-display-enhanced-association-with-distinct-human-blood-components
#1
Joshua Julian Glass, Yang Li, Robert De Rose, Angus P R Johnston, Ewa I Czuba, Song Yang Khor, John F Quinn, Michael R Whittaker, Thomas P Davis, Stephen J Kent
Directing nanoparticles to specific cell types using non-antibody based methods is of increasing interest. Thiol-reactive nanoparticles can enhance the efficiency of cargo delivery into specific cells through interactions with cell surface proteins. However, studies to date using this technique have been largely limited to immortalized cell lines or rodents and the utility of this technology on primary human cells is unknown. Herein, we used RAFT polymerization to prepare pyridyl disulphide (PDS)-functionalized star polymers with a methoxy-poly(ethylene glycol) brush corona and a fluorescently-labelled crosslinked core using an arm-first method...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28315660/the-critical-gap-for-pediatric-reference-intervals-of-complete-blood-count-in-china
#2
Yaqi Lv, Guoshuang Feng, Xin Ni, Wenqi Song, Xiaoxia Peng
BACKGROUND: We examined the critical gap for pediatric reference intervals in China byvalidating 3 existing pediatric reference intervals (RIs) of complete blood count(CBC) respectively. METHODS: A total of 2255 healthy children attended physical examination in Beijing Children's Hospital. Fasted blood was sampled and CBC, including red blood cell (RBC) count, hemoglobin (HGB), hematocrit (HCT), platelet count (PLT) and white blood cell (WBC) count were measured by automated hematological analyzer Sysmex Xs-800i...
March 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28301316/a-new-approach-to-define-acceptance-limits-for-hematology-in-external-quality-assessment-schemes
#3
Mohamed Rida Soumali, Marjan Van Blerk, Abdelhadi Akharif, Stéphanie Albarède, Dagmar Kesseler, Gabriela Gutierrez, Barbara de la Salle, Inger Plum, Anne Guyard, Ana Paula Favia, Wim Coucke
BACKGROUND: A study performed in 2007 comparing the evaluation procedures used in European external quality assessment schemes (EQAS) for hemoglobin and leukocyte concentrations showed that acceptance criteria vary widely. For this reason, the Hematology working group from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM) decided to perform a statistical study with the aim of establishing appropriate acceptance limits (AL) allowing harmonization between the evaluation procedures of European EQAS organizers...
March 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28296287/bio-inspired-nanomedicine-strategies-for-artificial-blood-components
#4
REVIEW
Anirban Sen Gupta
Blood is a fluid connective tissue where living cells are suspended in noncellular liquid matrix. The cellular components of blood render gas exchange (RBCs), immune surveillance (WBCs) and hemostatic responses (platelets), and the noncellular components (salts, proteins, etc.) provide nutrition to various tissues in the body. Dysfunction and deficiencies in these blood components can lead to significant tissue morbidity and mortality. Consequently, transfusion of whole blood or its components is a clinical mainstay in the management of trauma, surgery, myelosuppression, and congenital blood disorders...
March 15, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28285158/catalytic-topological-insulator-bi2se3-nanoparticles-for-in-vivo-protection-against-ionizing-radiation
#5
Xiao-Dong Zhang, Yaqi Jing, Shasha Song, Jiang Yang, Jun-Ying Wang, Xuhui Xue, Yuho Min, Gyeongbae Park, Xiu Shen, Yuan-Ming Sun, Unyong Jeong
Bi2Se3 nanoparticles (NPs) have attracted wide interests in biological and medical applications. Layer-like Bi2Se3 with high active surface area is promising for free radical scavenging. Here, we extended the medical applications of Bi2Se3 NPs further to in vivo protection against ionizing radiation based on their superior antioxidant activities and electrocatalytic properties. It was found that Bi2Se3 NPs can significantly increase the surviving fraction of mice after exposure of high-energy radiation of gamma ray...
March 8, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28267463/early-inpatient-calculation-of-laboratory-based-30-day-readmission-risk-scores-empowers-clinical-risk-modification-during-index-hospitalization
#6
Benjamin D Horne, Deborah Budge, Andrew L Masica, Lucy A Savitz, José Benuzillo, Gabriela Cantu, Alejandra Bradshaw, Raymond O McCubrey, Tami L Bair, Colleen A Roberts, Kismet D Rasmusson, Rami Alharethi, Abdallah G Kfoury, Brent C James, Donald L Lappé
Improving 30-day readmission continues to be problematic for most hospitals. This study reports the creation and validation of sex-specific inpatient (i) heart failure (HF) risk scores using electronic data from the beginning of inpatient care for effective and efficient prediction of 30-day readmission risk. METHODS: HF patients hospitalized at Intermountain Healthcare from 2005 to 2012 (derivation: n=6079; validation: n=2663) and Baylor Scott & White Health (North Region) from 2005 to 2013 (validation: n=5162) were studied...
March 2017: American Heart Journal
https://www.readbyqxmd.com/read/28260994/risk-factors-for-intraoperative-massive-transfusion-in-pediatric-liver-transplantation-a-multivariate-analysis
#7
Seok-Joon Jin, Sun-Key Kim, Seong-Soo Choi, Keum Nae Kang, Chang Joon Rhyu, Shin Hwang, Sung-Gyu Lee, Jung-Man Namgoong, Young-Kug Kim
Background: Pediatric liver transplantation (LT) is strongly associated with increased intraoperative blood transfusion requirement and postoperative morbidity and mortality. In the present study, we aimed to assess the risk factors associated with massive transfusion in pediatric LT, and examined the effect of massive transfusion on the postoperative outcomes. Methods: We enrolled pediatric patients who underwent LT between December 1994 and June 2015. Massive transfusion was defined as the administration of red blood cells ≥100% of the total blood volume during LT...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28243426/trimester-pattern-of-change-and-reference-ranges-of-hematological-profile-among-sudanese-women-with-normal-pregnancy
#8
Duria A Rayis, Mohamed A Ahmed, Hafez Abdel-Moneim, Ishag Adam, Mohamed Faisal Lutfi
Trimester specific reference ranges of hematological indices were described in several populations; however, comparable reports among Sudanese women with normal pregnancy are lacking. To evaluate trimester pattern of change and reference ranges of hematological profile among Sudanese women with normal pregnancy, we followed 143 women with singleton gestation since early pregnancy until the third trimester in Saad Abu-Alela Hospital, Khartoum, Sudan, during the period of January-December 2015. Obstetrics and medical history was gathered using questionnaire and hematological profile was investigated using hemo-analyser...
January 11, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28237691/vegf-a-svegfr-1-and-svegfr-2-in-bcr-abl-negative-myeloproliferative-neoplasms
#9
Grażyna Gadomska, Katarzyna Stankowska, Joanna Boinska, Robert Ślusarz, Marzena Tylicka, Małgorzata Michalska, Anna Jachalska, Danuta Rość
BACKGROUND AND OBJECTIVE: Data from the literature indicate the relationship between the bone marrow microvessel density and the blood parameters of angiogenesis. The aim of this study was to evaluate selected parameters of angiogenesis (VEGF-A, sVEGFR-1, and sVEGFR-2) and their correlations with white blood cells, platelets, and red blood cells. MATERIALS AND METHODS: The study included 72 patients (mean age, 61.84 years) with myeloproliferative neoplasms (MPNs): essential thrombocythemia (ET) (n=46), polycythemia vera (PV) (n=19), and primary myelofibrosis (PMF) (n=7)...
February 2, 2017: Medicina
https://www.readbyqxmd.com/read/28224702/early-platelet-and-leukocyte-decline-in-patients-with-neuroinflammatory-disorders-after-intravenous-immunoglobulins
#10
A Totzeck, M Stettner, T Hagenacker
BACKGROUND AND PURPOSE: Intravenous immunoglobulins (IVIGs) are a common therapy in patients with neuroinflammatory disorders, especially chronic inflammatory demyelinating polyradiculoneuropathy or Guillain-Barré syndrome. Hematological toxicities upon IVIG infusion are a known side effect and still an important subject of investigation. METHODS: Laboratory results and data for clinical efficacy and tolerability of 62 patients with neuroinflammatory disorders treated with IVIG (0...
February 22, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#11
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28199033/erythrocyte-platelet-hybrid-membrane-coating-for-enhanced-nanoparticle-functionalization
#12
Diana Dehaini, Xiaoli Wei, Ronnie H Fang, Sarah Masson, Pavimol Angsantikul, Brian T Luk, Yue Zhang, Man Ying, Yao Jiang, Ashley V Kroll, Weiwei Gao, Liangfang Zhang
Cell-membrane-coated nanoparticles have recently been studied extensively for their biological compatibility, retention of cellular properties, and adaptability to a variety of therapeutic and imaging applications. This class of nanoparticles, which has been fabricated with a variety of cell membrane coatings, including those derived from red blood cells (RBCs), platelets, white blood cells, cancer cells, and bacteria, exhibit properties that are characteristic of the source cell. In this study, a new type of biological coating is created by fusing membrane material from two different cells, providing a facile method for further enhancing nanoparticle functionality...
February 15, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28167878/commercial-separation-systems-designed-for-preparation-of-platelet-rich-plasma-yield-differences-in-cellular-composition
#13
Ryan M Degen, Johnathan A Bernard, Kristin S Oliver, Joshua S Dines
BACKGROUND: The role of platelet-rich plasma (PRP) in the treatment of sport-related injuries is unclear, largely due to the heterogeneity of clinical results. This may relate to compositional differences in PRP from different separation systems. QUESTIONS/PURPOSES: This study aims to compare the composition of PRP produced with five different commercially available systems, focusing on cellular concentrations and pH. METHODS: Seven donors (41 ± 12 years) provided blood for PRP preparation using five systems (Arthrex Angel, Emcyte Genesis CS, Arteriocyte Magellan, Harvest SmartPrep, and Biomet GPS III)...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28134643/can-serum-neutrophil-to-lymphocyte-ratio-be-a-predictive-biomarker-to-help-differentiate-active-chronic-otitis-media-from-inactive-chronic-otitis-media
#14
Hasan Deniz Tansuker, Sinan Eroğlu, Alper Yenigün, Ümit Taşkin, Mehmet Faruk Oktay
OBJECTIVES: The authors' aim was to investigate whether serum neutrophil to lymphocyte ratio might be used as a predictive biomarker to help differentiate active from inactive chronic otitis media (COM). METHODS: Two hundred fifty-nine patients having inactive COM received tympanoplasty without mastoidectomy and were identified as Group 1. On the other hand, 254 patients having active COM received tympanoplasty with mastoidectomy and were identified as Group 2. Routine hemogram tests were performed preoperatively for both the groups...
January 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28109601/effects-of-rumen-protected-capsicum-oleoresin-on-immune-responses-in-dairy-cows-intravenously-challenged-with-lipopolysaccharide
#15
J Oh, M Harper, F Giallongo, D M Bravo, E H Wall, A N Hristov
The objective of this experiment was to investigate the effects of rumen-protected Capsicum oleoresin (RPC) on productivity and immune responses including feed intake, milk yield and composition, white and red blood cells, lipid peroxidation, and blood concentration of cortisol, haptoglobin, glucose, and insulin in lactating dairy cows experimentally challenged with lipopolysaccharide (LPS). The experiment was a replicated 3 × 3 Latin square design with 9 multiparous Holstein cows in three 28-d periods. Treatments were 0 (control), 100, and 200 mg of RPC/cow per day, mixed with small portions of the total mixed ration and top-dressed...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28105762/establishment-of-reference-intervals-for-complete-blood-count-parameters-during-normal-pregnancy-in-beijing
#16
Aiwei Li, Shuo Yang, Jie Zhang, Rui Qiao
OBJECTIVE: To observe the changes of complete blood count (CBC) parameters during pregnancy and establish appropriate reference intervals for healthy pregnant women. METHODS: Healthy pregnant women took the blood tests at all trimesters. All blood samples were processed on Sysmex XE-2100. The following CBC parameters were analyzed: red blood cell count (RBC), hemoglobin (Hb), hematocrit (Hct), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), red blood cell distribution width (RDW), platelet count (PLT), mean platelet volume (MPV), platelet distribution width (PDW), white blood cell count (WBC), and leukocyte differential count...
January 20, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28076805/regulation-of-active-icam-4-on-normal-and-sickle-cell-disease-rbcs-via-akaps-is-revealed-by-afm
#17
Jing Zhang, Krithika Abiraman, Sasia-Marie Jones, George Lykotrafitis, Biree Andemariam
Human healthy (wild-type (WT)) and homozygous sickle (SS) red blood cells (RBCs) express a large number of surface receptors that mediate cell adhesion between RBCs, and between RBCs and white blood cells, platelets, and the endothelium. In sickle cell disease (SCD), abnormal adhesion of RBCs to endothelial cells is mediated by the intercellular adhesion molecule-4 (ICAM-4), which appears on the RBC membrane and binds to the endothelial αvβ3 integrin. This is a key factor in the initiation of vaso-occlusive episodes, the hallmark of SCD...
January 10, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28066938/effect-of-gender-and-exercise-on-haematological-and-biochemical-parameters-in-holsteiner-horses
#18
A Andriichuk, H Tkachenko
The objective of this study was to assess the influence of exercise of average intensity in the haematological and biochemical values, as well as acidic resistance of erythrocytes in mares and stallions of Holsteiner breed. A total of seventeen horses of Holstein breed (seven mares and 10 stallions aged 6 years) were used in this study. The blood samples were assessed for haematocrit (HCT) value, haemoglobin concentration (HGB), the amount of red blood cells (RBC), white blood cells (WBC), platelets (PLT), leucogram, mean corpuscular haemoglobin concentration (MCHC), mean corpuscular volume (MCV), mean corpuscular haemoglobin (MCH), red cell distribution width (RDW) and platelet distribution width (PDW)...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28056978/short-term-storage-stability-at-room-temperature-of-two-different-platelet-rich-plasma-preparations-from-equine-donors-and-potential-impact-on-growth-factor-concentrations
#19
Gregor Hauschild, Florian Geburek, Georg Gosheger, Maria Eveslage, Daniela Serrano, Arne Streitbürger, Sara Johannlükens, Dirk Menzel, Reinhard Mischke
BACKGROUND: The increasing interest in platelet-rich plasma (PRP) based therapies is as yet accompanied by inconsistent information regarding nearly all aspects of handling and application. Among these storage stability of processed platelet-rich products may be the basis for a more flexible application mode. The objective of this study was (1) to estimate the storage stability of growth factors platelet derived growth factor BB (PDGF-BB) and transforming growth factor ß1 (TGF-ß1) in both, a single-step softspin centrifugation-based pure-PRP (P-PRP, ACP®), and a gravity filtration system-based leukocyte-rich-PRP (L-PRP, E-PET), over a six hours time span after preparation at room temperature and (2) to identify possible factors influencing these growth factor concentrations in an equine model...
January 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28049097/in-vivo-anti-arthritic-efficacy-of-camellia-sinensis-l-in-collagen-induced-arthritis-model
#20
Ankit Tanwar, Raman Chawla, Md Meraj Ansari, Neha, Pallavi Thakur, Ankita Singh Chakotiya, Rajeev Goel, Himanshu Ojha, M Asif, Mitra Basu, Rajesh Arora, Haider Ali Khan
BACKGROUND: Rheumatoid arthritis (RA), an autoimmune inflammatory disorder with synovial hyperplasia, destruction of cartilage, bone damage is often associated with risk of infections. Such risk could be attributed towards usage of immunosuppressive agents. Thus, the present study was undertaken to evaluate the anti-arthritic efficacy of aquo-alcoholic extract of Camellia sinensis (L.). MATERIAL AND METHODS: Dried leaves of Camellia sinensis (L.) or Cs were filtered and extracted in 1:1 aqueous: ethanol by Soxhlet apparatus followed by lyophilization and spray drying to develop amorphous powder...
March 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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