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https://www.readbyqxmd.com/read/28635513/evaluation-of-platelet-indices-and-red-cell-distribution-width-as-new-biomarkers-for-the-diagnosis-of-acute-appendicitis
#1
Noha Boshnak, Mohamed Boshnaq, Hatem Elgohary
BACKGROUND: Debate around the value of laboratory tests in establishing the diagnosis of acute appendicitis (AA) still continues. This prospective study aimed to investigate the changes in mean platelet volume (MPV), platelet distribution width (PDW), and red cell distribution width (RDW) with the diagnosis of acute appendicitis. METHOD: 200 patients who underwent emergency appendectomy were included. According to postoperative histology, patients were divided into three groups: acute non-complicated, acute complicated appendicitis (positive appendicectomy groups), and negative appendectomy group...
February 16, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28625233/-elevation-of-red-cell-distribution-width-during-hospitalization-predicts-mortality-in-patients-with-sepsis
#2
Yan Gong, Xianming Long, Jun Jin, Xinjing Yang, Jianhong Fu, Fang Huang, Jian Huang, Qiang Guo, Jun Wang
OBJECTIVE: To investigate the association of red cell distribution width (RDW) with prognosis in patients with sepsis. METHODS: Patients with sepsis admitted to intensive care unit (ICU) of the First Hospital of Soochow University from January 2011 to December 2016 were enrolled. All clinical data were collected for participants, which mainly included basic data, main underlying disease, site of infection, acute physiology and chronic health evaluation II(APACHE II) score, blood routine test, biochemical test, blood gas analysis, coagulation index, procalcitonin (PCT), hospitalization days, and 28-day and 90-day mortality...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28624811/altered-erythropoiesis-and-decreased-number-of-erythrocytes-in-children-with-neuroblastoma
#3
Fabio Morandi, Sebastiano Barco, Sara Stigliani, Michela Croce, Luca Persico, Corrado Lagazio, Francesca Scuderi, Maria Luisa Belli, Mariapina Montera, Giuliana Cangemi, Sarah Pozzi, Valentina Rigo, Paola Scaruffi, Loredana Amoroso, Giovanni Erminio, Vito Pistoia, Silvano Ferrini, Maria Valeria Corrias
Neuroblastoma (NB) is a pediatric tumor presenting at diagnosis either as localized or metastatic disease, which mainly involves the bone marrow (BM). The physical occupancy of BM space by metastatic NB cells has been held responsible for impairment of BM function. Here, we investigated whether localized or metastatic NB may alter hematopoietic lineages' maturation and release of mature cells in the periphery, through gene expression profiling, analysis of BM smears, cell blood count and flow cytometry analysis...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28617870/a-novel-genetic-technique-in-plasmodium-berghei-allows-liver-stage-analysis-of-genes-required-for-mosquito-stage-development-and-demonstrates-that-de-novo-heme-synthesis-is-essential-for-liver-stage-development-in-the-malaria-parasite
#4
Upeksha L Rathnapala, Christopher D Goodman, Geoffrey I McFadden
The combination of drug resistance, lack of an effective vaccine, and ongoing conflict and poverty means that malaria remains a major global health crisis. Understanding metabolic pathways at all parasite life stages is important in prioritising and targeting novel anti-parasitic compounds. The unusual heme synthesis pathway of the rodent malaria parasite, Plasmodium berghei, requires eight enzymes distributed across the mitochondrion, apicoplast and cytoplasm. Deletion of the ferrochelatase (FC) gene, the final enzyme in the pathway, confirms that heme synthesis is not essential in the red blood cell stages of the life cycle but is required to complete oocyst development in mosquitoes...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28614812/the-discovery-of-water-channels-aquaporins
#5
Dennis Brown
The movement of water into and out of cells is a fundamental biological process that is essential for life. Such water movement not only regulates the activity of individual cells but also is responsible for the functioning of many organ systems and for maintaining whole body water balance. It had long been suspected that water movement across biological cell membranes was in some way enhanced or facilitated by pores or channels, but the search to identify these channels was long and tedious. As is often the case in science, the secret of the water channel was eventually discovered by chance in 1992 by Peter Agre and his colleagues at the Johns Hopkins University in Baltimore, who were working on red blood cell membrane proteins...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28606843/the-effect-of-diosmin-on-the-blood-proteome-in-a-rat-model-of-venous-thrombosis
#6
Cuilin Cheng, Hong Zhang, Yongzhi Li, Yingyu Zhou, Weihong Lu, Lei Yao
This study was designed to find the protein changes of venous thrombosis in Wistar rats with and without diosmin treatment by two-dimensional gel electrophoresis (2-DE) and investigate the effect of a crucial protein known as CEP350 on human vascular endothelial cell growth. Diosmin was prepared from G.verum L. by solvent extraction and identified 98% purification by HPLC after chromatographic purification using macroporous absorption resin (AB-8) and polyamide. Wistar rats were divided into three groups respectively control group, model group and prevention group...
June 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28605139/clinical-implications-of-pretreatment-inflammatory-biomarkers-as-independent-prognostic-indicators-in-prostate-cancer
#7
Zhaohui Sun, Ying Ju, Fuyan Han, Xiya Sun, Fang Wang
OBJECTIVES: Research on the relationship between inflammatory biomarkers and malignant tumors has become a hotspot. Many studies have demonstrated that neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and red blood cell distribution width (RDW) could act as independent prognostic indicators for several solid tumors. This study aimed to evaluate the clinical implications of pretreatment inflammatory biomarkers, including NLR, PLR, and RDW as independent prognostic indicators in prostate cancer (PCa)...
June 12, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28600101/non-cardiac-factors-for-prediction-of-response-to-cardiac-resynchronization-therapy-the-value-of-baseline-and-of-serial-changes-in-red-cell-distribution-width
#8
Erberto Carluccio, Paolo Biagioli, Gianfranco Alunni, Adriano Murrone, Gianluca Zingarini, Stefano Coiro, Antonella D'Antonio, Anna Mengoni, Maria Francesca Cerasa, Giuseppe Ambrosio
BACKGROUND: Increased red blood cell distribution width (RDW) has been associated with poor outcome after cardiac resynchronization therapy (CRT). However, whether baseline RDW, and its serial changes after CRT implant, have incremental prognostic value is unknown. METHODS AND RESULTS: In 148 consecutive patients (age, 68±9years; 122 men) undergoing CRT, RDW was assessed before and 3months after implant. Patients were categorized according to baseline RDW (≤14...
June 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28597705/evaluation-of-applying-a-combination-of-red-cell-indexes-and-formulas-to-differentiate-%C3%AE-thalassemia-trait-from-iron-deficiency-anemia-in-the-thai-population
#9
Sakorn Pornprasert, Choosak Thongsat, Uraiporn Panyachadporn
Red cell indexes and formulas have been established as simple, fast, and inexpensive tools to differentiate β-thalassemia (β-thal) trait from iron deficiency anemia. However, none of them showed 100.0% sensitivity and specificity. Moreover, one index may show greater sensitivity and specificity in one population but is ineffective in another population. This study evaluated the diagnostic reliability of a combination of two red cell indexes [red blood cell (RBC) and red blood cell distribution width (RDW)] and nine formulas called '11T score' for differentiation of β-thal trait and iron deficiency anemia in the Thai population...
June 9, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28591469/continued-decline-in-blood-collection-and-transfusion-in-the-united-states-2015
#10
Katherine D Ellingson, Mathew R P Sapiano, Kathryn A Haass, Alexandra A Savinkina, Misha L Baker, Koo-Whang Chung, Richard A Henry, James J Berger, Matthew J Kuehnert, Sridhar V Basavaraju
BACKGROUND: In 2011 and 2013, the National Blood Collection and Utilization Survey (NBCUS) revealed declines in blood collection and transfusion in the United States. The objective of this study was to describe blood services in 2015. STUDY DESIGN AND METHODS: The 2015 NBCUS was distributed to all US blood collection centers, all hospitals performing at least 1000 surgeries annually, and a 40% random sample of hospitals performing 100 to 999 surgeries annually. Weighting and imputation were used to generate national estimates for units of blood and components collected, deferred, distributed, transfused, and outdated...
June 2017: Transfusion
https://www.readbyqxmd.com/read/28591051/association-between-red-blood-cell-distribution-width-and-henoch-schonlein-purpura-nephritis
#11
Hui Xu, Wei Li, Jian-Hua Mao, Yan-Xiang Pan
To investigate whether red blood cell distribution width (RDW) is a marker of the risk of Henoch-Schonlein purpura (HSP) nephritis (HSPN), a total of 669 HSP patients and 168 healthy controls were included in this retrospective study. Two hundred fifty-six (38.3%) of the patients had kidney involvement. Compared with the HSP group, RDW was significantly higher in the HSPN group (P < .001). Binary logistic regression identified that HSPN was independently associated with age, RDW, platelet, and total cholesterol (odds ratio = 1...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28587615/genome-wide-scans-for-the-identification-of-plasmodium-vivax-genes-under-positive-selection
#12
Hai-Mo Shen, Shen-Bo Chen, Yue Wang, Bin Xu, Eniola Michael Abe, Jun-Hu Chen
BACKGROUND: The current trend of Plasmodium vivax cases imported from Southeast Asia into China has sharply increased recently, especially from the China-Myanmar border (CMB) area. High recombination rates of P. vivax populations associated with varied transmission intensity might cause distinct local selective pressures. The information on the genetic variability of P. vivax in this area is scant. Hence, this study assessed the genetic diversity of P. vivax genome sequence in CMB area and aimed to provide information on the positive selection of new gene loci...
June 6, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28578411/red-cell-distribution-width-as-a-significant-indicator-of-medication-and-prognosis-in-type-2-diabetic-patients
#13
Xiao-Fen Xiong, Yuan Yang, Xianghui Chen, Xuejing Zhu, Chun Hu, Yachun Han, Li Zhao, Fuyou Liu, Lin Sun
Whether red cell distribution width (RDW) can be a potential indicator for diabetic nephropathy (DN) is unknown. A total of 809 type 2 diabetes mellitus (T2D) patients were divided into 4 groups according to the quartiles (Q) of the RDW (%): Q1 ≤ 12.4 (n = 229), 12.4 < Q2 ≤ 12.9 (n = 202), 12.9 < Q3 < 13.5 (n = 168), Q4 ≥ 13.5 (n = 210). Results showed that the levels in Q4 group was higher in age, disease duration, systolic blood pressure, blood urea nitrogen, creatinine, uric acid and proteinuria but lower in hemoglobin, serum albumin and glycosylated hemoglobin compared to Q1 group...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28577677/corrigendum-to-association-of-standard-clinical-and-laboratory-variables-with-red-blood-cell-distribution-width-rdw-am-heart-j-2016-22-28
#14
Patrícia O Guimarães, Jie-Lena Sun, Kristian Kragholm, Svati H Shah, Karen S Pieper, William E Kraus, Elizabeth R Hauser, Christopher B Granger, L Kristin Newby
No abstract text is available yet for this article.
June 2017: American Heart Journal
https://www.readbyqxmd.com/read/28576640/tumor-progression-effects-on-drug-vector-access-to-tumor-associated-capillary-bed
#15
Vaidotas Kiseliovas, Miljan Milosevic, Milos Kojic, Linas Mazutis, Megumi Kai, Yan Ting Liu, Kenji Yokoi, Mauro Ferrari, Arturas Ziemys
Over the last decade, the benefits of drug vectors to treat cancer have been well recognized. However, drug delivery and vector distribution differences in tumor-associated capillary bed at different stages of disease progression are not well understood. To obtain further insights into drug vector distribution changes in vasculature during tumor progression, we combined intra-vital imaging of metastatic tumors in mice, microfluidics-based artificial tumor capillary models, and Computational Fluid Dynamics (CFD) modeling...
May 30, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28576526/assessment-of-red-blood-cell-distribution-width-and-mean-platelet-volume-in-children-with-epistaxis
#16
Selin Üstün Bezgin, Taliye Çakabay, Işık Odaman Al
OBJECTIVE: This study aimed to investigate whether there is a relationship between red blood cell distribution width, mean platelet volume and epistaxis in children. METHODS: Between January 2015 and July 2016, 105 children who were referred to our clinic with epistaxis and 100 sex- and age-matched controls were retrospectively analyzed. Red blood cell distribution width (RDW) and mean platelet volume (MPV) values were determined in both groups. RESULTS: RDW values were found significantly (P < 0...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28575968/structural-aspects-of-graphitic-carbon-modified-sba-15-mesoporous-silica-and-biological-interactions-with-red-blood-cells-and-plasma-proteins
#17
Diego S T Martinez, João Paulo V Damasceno, Lidiane S Franqui, Jefferson Bettini, Italo O Mazali, Mathias Strauss
Functional mesoporous materials have been worldwide studied for different applications. Mesoporous silicas are highlighted due to the synthetic possibilities for the preparation of such materials with different particle sizes and morphologies, and controlled pores sizes and structures. Moreover, the silica superficial silanol groups are explored in several chemical modifications, leading to functional materials with tuned functionalities and properties. In this work, an organo-functionalization and pyrolysis synthetic procedure is used to obtain graphitic carbon modified mesoporous SBA-15 silica...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28571804/bacterial-resistance-and-failure-of-clinical-cure-could-be-produced-by-oxidative-stress-in-patients-with-diabetes-or-cardiovascular-diseases-during-fluoroquinolone-therapy
#18
Othoniel H Aragon-Martinez, Flavio Martinez-Morales, Mario A Isiordia-Espinoza, Diana Luque Contreras, Juan R Zapata Morales, Maria L Gonzalez-Rivera
Fluoroquinolone agents are used widely for the treatment of infectious diseases which are a common cause of deaths around the world. The level of oxidative stress in patients taking fluoroquinolone antibiotics has not been considered a factor to reduce the clinical efficacy of this kind of drugs. Patients with diabetes and/or cardiovascular diseases present abnormal levels of oxidative stress in the blood stream. In this regards, our hypothesis supposes that patients with diabetes and/or cardiovascular disease suffering a bacterial disease could experience a therapeutic failure and bacterial resistance when treated with fluoroquinolones...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28566684/quantitative-refractive-index-distribution-of-single-cell-by-combining-phase-shifting-interferometry-and-afm-imaging
#19
Qinnan Zhang, Liyun Zhong, Ping Tang, Yingjie Yuan, Shengde Liu, Jindong Tian, Xiaoxu Lu
Cell refractive index, an intrinsic optical parameter, is closely correlated with the intracellular mass and concentration. By combining optical phase-shifting interferometry (PSI) and atomic force microscope (AFM) imaging, we constructed a label free, non-invasive and quantitative refractive index of single cell measurement system, in which the accurate phase map of single cell was retrieved with PSI technique and the cell morphology with nanoscale resolution was achieved with AFM imaging. Based on the proposed AFM/PSI system, we achieved quantitative refractive index distributions of single red blood cell and Jurkat cell, respectively...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28556786/elevated-hemoglobin-level-is-associated-with-advanced-fibrosis-in-pediatric-non-alcoholic-fatty-liver-disease
#20
Valentina Giorgio, Antonella Mosca, Arianna Alterio, Anna Alisi, Antonio Grieco, Valerio Nobili, Luca Miele
OBJECTIVES: Hemoglobin (Hb) and red blood cell distribution width (RDW) have been reported to be a risk marker of metabolic syndrome (MS) and nonalcoholic fatty liver disease (NAFLD). No study exists on pediatric populations. We aimed to determine the association between hematological parameters, and the severity of disease in children with biopsy proven NAFLD. METHODS: 117 children (85 males, mean age 12 years) with ultrasound (US) evidence of NAFLD undergoing liver biopsy for diagnosis of non alcoholic steatohepatitis (NASH), were prospectively enrolled between January 2011 and May 2013 in the setting of a tertiary care centre...
April 27, 2017: Journal of Pediatric Gastroenterology and Nutrition
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