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https://www.readbyqxmd.com/read/28350891/an-on-chip-instrument-for-white-blood-cells-classification-based-on-a-lens-less-shadow-imaging-technique
#1
Yuan Fang, Ningmei Yu, Runlong Wang, Dong Su
Routine blood tests provide important basic information for disease diagnoses. The proportions of three subtypes of white blood cells (WBCs), which are neutrophils, monocytes, lymphocytes, is key information for disease diagnosis. However, current instruments for routine blood tests, such as blood cell analyzers, flow cytometers, and optical microscopes, are cumbersome, time consuming and expensive. To make a smaller, automatic low-cost blood cell analyzer, much research has focused on a technique called lens-less shadow imaging, which can obtain microscopic images of cells in a lens-less system...
2017: PloS One
https://www.readbyqxmd.com/read/28346912/optimizing-the-dose-of-erythropoietin-required-to-prevent-acute-ventilation-induced-cerebral-white-matter-injury-in-preterm-lambs
#2
Kyra Y Y Chan, Domenic A LaRosa, Mary Tolcos, Anqi Li, Valerie A Zahra, Graeme R Polglase, Samantha K Barton
Erythropoietin (EPO) is being trialed in preterm neonates for neuroprotection. We have recently demonstrated that a single high bolus dose (5,000 IU/kg) of recombinant human EPO amplified preterm lung and brain ventilation-induced injury. We aimed to determine the optimal dose of EPO to reduce ventilation-induced cerebral white matter inflammation and injury in preterm lambs. Lambs (0.85 gestation) were ventilated with an injurious strategy for 15 min followed by conventional ventilation for 105 min. Lambs were randomized to no treatment (VENT; n = 8) or received a bolus dose of EPO (EPREX®): 300 IU/kg (EPO 300; n = 5), 1,000 IU/kg (EPO 1,000; n = 5), or 3,000 IU/kg (EPO 3,000; n = 5)...
March 28, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28346666/disseminated-peripheral-neuroblastoma-in-a-rhodesian-ridgeback-dog
#3
R W Cook, L A Abraham, C I McCowan
CASE REPORT: A 4-year-old neutered male Rhodesian Ridgeback dog with right-sided Horner's syndrome, bilateral laryngeal paralysis, neck pain and bilateral hindlimb ataxia was euthanased following deterioration of its neurological status. Necropsy examination revealed an off-white retropharyngeal neoplastic mass (100 × 30 × 30 mm) attached to the base of the skull on the right side and macroscopic nodular metastases in the spleen and three vertebral bodies (C6, C7 and T6), including a nodule attached to the dura at C7...
April 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28345479/imaging-the-physiological-evolution-of-the-ischemic-penumbra-in-acute-ischemic-stroke
#4
Richard Leigh, Linda Knutsson, Jinyuan Zhou, Peter Cm van Zijl
We review the hemodynamic, metabolic and cellular parameters affected during early ischemia and their changes as a function of approximate cerebral blood flow ( CBF) thresholds. These parameters underlie the current practical definition of an ischemic penumbra, namely metabolically affected but still viable brain tissue. Such tissue is at risk of infarction under continuing conditions of reduced CBF, but can be rescued through timely intervention. This definition will be useful in clinical diagnosis only if imaging techniques exist that can rapidly, and with sufficient accuracy, visualize the existence of a mismatch between such a metabolically affected area and regions that have suffered cell depolarization...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28345265/cytokine-and-antioxidant-gene-profiles-from-peripheral-blood-mononuclear-cells-of-pelibuey-lambs-after-haemonchus-contortus-infection
#5
Zaira Estrada-Reyes, Ma Eugenia López-Arellano, Felipe Torres-Acosta, Alberto López-Reyes, Alfredo Lagunas-Martínez, Pedro Mendoza-de-Gives, Roberto González-Garduño, Sara Olazarán-Jenkins, David Reyes-Guerrero, Gabriel Ramírez-Vargas
The expression profiles of cytokines and anti-oxidant genes were determined from an experimental infection with H. contortus in Pelibuey lambs. The infection was followed for 34 days (d) to determine the number of eggs per gram (epg) and the packed cell volume (PCV). Differential white cell counts and expression profile estimations of IL2, IL4, IL5, IL6, IL8, IL10, IL13, FCεR1A, GPX and SOD1 were determined at 0 h, 4 h, 2 d and 14 d post-infection (PI) in infected and control groups. Comparison of the fold-change between 0 and 4 h, 4 h and 2 d, and 2 and 14 d periods was performed...
March 27, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28345071/jolt-accentuation-and-its-value-as-a-sign-in-diagnosis-of-meningitis-in-patients-with-fever-and-headache
#6
Mani Mofidi, Narges Negaresh, Davood Farsi, Mahdi Rezai, Babak Mahshidfar, Saeed Abbasi, Peyman Hafezimoghadam
OBJECTIVES: Meningitis is an important disease among the patients being visited in Emergency Departments (EDs). There are many signs to diagnose it with different sensitivity and specificity reported in previously done studies. Current study tries to evaluate diagnostic accuracy of "Jolt accentuation" in the diagnosis (Dx.) of meningitis in patients with fever and headache. MATERIALS AND METHODS: 48 adult patients, who were referred to two teaching EDs for fever and headache and were diagnosed as suspected meningitis, were included in this prospective observational study...
March 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28344660/predictive-biomarkers-and-effectiveness-of-muc1-targeted-dendritic-cell-based-vaccine-in-patients-with-refractory-non-small-cell-lung-cancer
#7
Koji Teramoto, Yoshitomo Ozaki, Jun Hanaoka, Satoru Sawai, Noriaki Tezuka, Shozo Fujino, Yataro Daigo, Keiichi Kontani
BACKGROUND: The dendritic cell (DC)-based vaccine targeting the highly immunogenic tumor antigen, MUC1, has been promising for a cancer immunotherapy; however, predictive biomarkers for beneficial clinical responses of the vaccine remain to be determined. METHODS: DCs loaded with MUC1-derived peptide were subcutaneously administered to patients with MUC1-positive non-small cell lung cancer (NSCLC) that was refractory to standard anticancer therapies, every 2 weeks...
March 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28344164/outbreak-of-brainstem-encephalitis-associated-with-enterovirus-a71-in-catalonia-spain-2016-a-clinical-observational-study-in-a-children-s-reference-centre-in-catalonia
#8
Dídac Casas-Alba, Mariona F de Sevilla, Ana Valero-Rello, Claudia Fortuny, Juan-José García-García, Carlos Ortez, Jordi Muchart, Thais Armangué, Iolanda Jordan, Carles Luaces, Irene Barrabeig, Rubén González-Sanz, María Cabrerizo, Carmen Muñoz-Almagro, Cristian Launes
OBJECTIVES: To describe the characteristics of an outbreak of brainstem encephalitis and encephalomyelitis related to enterovirus (EV) infection in Catalonia (Spain), a setting where these manifestations were uncommon. METHODS: Clinical and microbiological data from patients with neurological symptoms associated with EV detection admitted to a reference paediatric hospital between April and June 2016 were analysed. RESULTS: Fifty-seven patients were included...
March 23, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28344060/basal-cd34-cell-count-predicts-peripheral-blood-stem-cell-mobilization-in-healthy-donors-after-administration-of-g-csf-a-longitudinal-prospective-observational-single-center-cohort-study
#9
Massimo Martino, Mercedes Gori, Annalisa Pitino, Massimo Gentile, Antonia Dattola, Antonella Pontari, Ernesto Vigna, Tiziana Moscato, Anna Grazia Recchia, Santina Barilla', Giovanni Tripepi, Fortunato Morabito
A longitudinal, prospective, observational, single-center, cohort study on healthy donors (HDs) was designed to identify predictors of CD34+ cells on day 5 with emphasis on the predictive value of the basal CD34+ cell count. As potential predictors of mobilization, age, sex, body weight, height, blood volume as well as white blood cell count, peripheral blood (PB) mononuclear cells, platelet count, hematocrit, and hemoglobin levels were considered. Two different evaluations of CD34+ cell counts were determined for each donor: baseline (before granulocyte colony-stimulating factor [G-CSF] administration) and in PB after G-CSF administration on the morning of the fifth day (day 5)...
March 24, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28343826/diagnosis-of-periprosthetic-joint-infection-an-algorithm-based-approach
#10
Nicholas T Ting, Craig J Della Valle
BACKGROUND: Periprosthetic joint infection (PJI) remains one of the most challenging and devastating modes of failure after total hip and knee arthroplasties. Despite the profound urgency and impact of PJI on an individual and societal basis, historically, there have not been standardized definitions of and diagnostic algorithms for infection after total joint arthroplasty. METHODS: In a recent symposium, the American Academy of Hip and Knee Surgeons put forth a standardized approach to the prevention, diagnosis, and management of the patient with a suspected PJI...
March 2, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28343030/diagnostic-and-therapeutic-role-of-endoscopic-retrograde-pancreatography-in-the-management-of-traumatic-pancreatic-duct-injury-patients-single-center-experience-for-34-years
#11
Seongyup Kim, Jae Woo Kim, Pil Young Jung, Hye Youn Kwon, Hongjin Shim, Ji Young Jang, Keum Seok Bae
BACKGROUND: Traumatic pancreatic injuries are rare and present diagnostic and therapeutic difficulties. We evaluated the usefulness of endoscopic retrograde pancreatography and transpapillary pancreatic stent in the diagnosis and treatment of pancreatic trauma patients. METHODS: We reviewed medical records of 83 pancreas trauma patients who underwent endoscopic retrograde pancreatography for the suspicion of pancreas duct injury between January 1983 and December 2016...
March 22, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28341738/higher-hopx-expression-is-associated-with-distinct-clinical-and-biological-features-and-predicts-poor-prognosis-in-de-novo-acute-myeloid-leukemia
#12
Chien-Chin Lin, Yueh-Chwen Hsu, Yi-Hung Li, Yuan-Yeh Kuo, Hsin-An Hou, Keng-Hsueh Lan, Tsung-Chih Chen, Yi-Shiuan Tzeng, Yi-Yi Kuo, Chein-Jun Kao, Po-Han Chuang, Mei-Hsuan Tseng, Yu-Chiao Chiu, Wen-Chien Chou, Hwei-Fang Tien
Homeodomain-only protein homeobox (HOPX) is the smallest homeodomain protein. It was regarded as a stem cell marker in several non-hematopoietic systems. While the prototypic homeobox genes such as HOX family have been well characterized in acute myeloid leukemia, the clinical and biological implications of HOPX in the disease remain unknown. Thus we analyzed HOPX and global gene expression patterns in 347 newly diagnosed de novo acute myeloid leukemia patients in our institute. We found that higher HOPX expression was closely associated with older age, higher platelet counts, lower white blood cell counts, lower lactate dehydrogenase levels, and mutations in RUNX1, IDH2, ASXL1, and DNMT3A, but negatively associated with acute promyelocytic leukemia, favorable karyotypes, CEBPA double mutations and NPM1 mutation...
March 24, 2017: Haematologica
https://www.readbyqxmd.com/read/28341493/procalcitonin-as-a-biomarker-for-predicting-amputation-level-in-lower-extremity-infections
#13
Matthew M Reiner, Wissam E Khoury, Michael B Canales, Richard A Chmielewski, Kartick Patel, Mark C Razzante, Coleman O Cloughtery, Douglas Y Rowland
Inflammatory markers are essential tools in the decision-making process for lower extremity infections. When coupled with objective findings, clinicians can more accurately diagnose and treat these entities. Typically, markers such as the white blood cell count, erythrocyte sedimentation rate, and C-reactive protein are used to initially assess these patients or monitor the progression of medical or surgical therapy. Procalcitonin is a newer inflammatory marker that is specific for an infectious process. Originally, procalcitonin was used to monitor antibiotic therapy and sepsis for patients in the intensive care setting, but it has now been expanded to other facets of medicine...
March 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28341375/risk-factors-for-mortality-in-patients-undergoing-hemodialysis-a-systematic-review-and-meta-analysis
#14
Lijie Ma, Sumei Zhao
BACKGROUND: No consensus exists regarding the factors influencing mortality in patients undergoing hemodialysis (HD). This meta-analysis aimed to evaluate the impact of various patient characteristics on the risk of mortality in such patients. METHODS: PubMed, Embase, and Cochrane Central were searched for studies evaluating the risk factors for mortality in patients undergoing HD. The factors included age, gender, diabetes mellitus (DM), body mass index (BMI), previous cardiovascular disease (CVD), HD duration, hemoglobin, albumin, white blood cell, C-reactive protein (CRP), parathyroid hormone, total iron binding capacity (TIBC), iron, ln ferritin, adiponectin, apolipoprotein A1 (ApoA1), ApoA2, ApoA3, high-density lipoprotein (HDL), total cholesterol, hemoglobin A1c (HbA1c), serum phosphate, troponin T (TnT), and B-type natriuretic peptide (BNP)...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28340603/blunt-cardiac-injury-due-to-trauma-associated-with-snowboarding-a-case-report
#15
Fuminori Yamaji, Hideshi Okada, Yasuhiro Nakajima, Kodai Suzuki, Takahiro Yoshida, Yosuke Mizuno, Haruka Okamoto, Yuichiro Kitagawa, Taku Tanaka, Shiho Nakano, Sho Nachi, Tomoaki Doi, Keisuke Kumada, Shozo Yoshida, Narihiro Ishida, Katsuya Shimabukuro, Hiroaki Ushikoshi, Izumi Toyoda, Kiyoshi Doi, Shinji Ogura
BACKGROUND: Cardiac trauma is associated with a much higher mortality rate than injuries to other organ systems, even though cardiac trauma is identified in less than 10% of all trauma admissions. Here we report blunt trauma of the left atrium due to snowboarding trauma. CASE PRESENTATION: A 45-year-old Asian man collided with a tree while he was snowboarding and drinking. He lost consciousness temporarily. An air ambulance was requested and he was transported to an advanced critical care center...
March 25, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28340071/variable-potassium-concentrations-which-is-right-and-which-is-wrong
#16
Talent Theparee, Robert C Benirschke, Hong-Kee Lee
Reverse pseudohyperkalemia is a term used to describe in vitro, falsely elevated potassium concentrations in plasma specimens that occur in association with extreme leukocytosis and are commonly associated with hematologic malignant neoplasms. Tumor lysis syndrome is an in vivo lysis of tumor cells that leads to elevated levels of potassium, uric acid, phosphate, and lactate dehydrogenase, as well as decreased calcium concentrations. Herein, we report a case of a 66-year-old Caucasian man with stage IV mantle-cell lymphoma who has elevated levels of potassium, uric acid, and phosphorus, as well as a white blood cell (WBC) count greater than 100,000 cells per mm3...
March 6, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28339708/effects-of-dietary-methyl-sulfonyl-methane-msm-supplementation-on-growth-performance-nutrient-digestibility-meat-quality-excreta-microbiota-excreta-gas-emission-and-blood-profiles-in-broilers
#17
Y Jiao, J H Park, Y M Kim, I H Kim
A 29-d trial was conducted to evaluate the effects of dietary methyl sulfonyl methane (MSM) supplementation on growth performance, meat quality, nutrient digestibility, excreta microbiota, excreta gas emission, and blood profiles in broilers. A total of 816 1-day-old male Ross 308 broilers (44 ± 0.44 g) were assigned to 4 dietary treatments, composed of 12 replicates with 17 birds per replicate. The 4 treatments were: 1) CON, basal diet; 2) S1, CON + 0.05% MSM; 3) S2, CON + 0.10% MSM; 4) S3, CON + 0.20% MSM...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339485/chronic-parp-1-inhibition-reduces-carotid-vessel-remodeling-and-oxidative-damage-of-the-dorsal-hippocampus-in-spontaneously-hypertensive-rats
#18
Krisztian Eros, Klara Magyar, Laszlo Deres, Arpad Skazel, Adam Riba, Zoltan Vamos, Tamas Kalai, Ferenc Gallyas, Balazs Sumegi, Kalman Toth, Robert Halmosi
Vascular remodeling during chronic hypertension may impair the supply of tissues with oxygen, glucose and other compounds, potentially unleashing deleterious effects. In this study, we used Spontaneously Hypertensive Rats and normotensive Wistar-Kyoto rats with or without pharmacological inhibition of poly(ADP-ribose)polymerase-1 by an experimental compound L-2286, to evaluate carotid artery remodeling and consequent damage of neuronal tissue during hypertension. We observed elevated oxidative stress and profound thickening of the vascular wall with fibrotic tissue accumulation induced by elevated blood pressure...
2017: PloS One
https://www.readbyqxmd.com/read/28338321/thiol-reactive-star-polymers-display-enhanced-association-with-distinct-human-blood-components
#19
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/28335378/bioavailability-of-microencapsulated-iron-from-fortified-bread-assessed-using-piglet-model
#20
Malgorzata A Bryszewska, Luca Laghi, Augusta Zannoni, Andrea Gianotti, Francesca Barone, Danielle L Taneyo Saa, Maria L Bacci, Domenico Ventrella, Monica Forni
The aim of this study was to investigate the influence of oral iron supplementation, in the form of fortified breads, on the growth performance, health, iron status parameters, and fecal metabolome of anemic piglets. A study was conducted on 24 hybrid (Large White × Landrace × Duroc) piglets. From day 44, the post-natal 12 piglets were supplemented with 100 g of one of two experimental breads, each fortified with 21 mg of ferrous sulphate, either encapsulated or not. After one week of oral supplementation, hematological parameters (hematocrit value, hemoglobin, and red blood cells) showed statistically significant differences (p ≤ 0...
March 13, 2017: Nutrients
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