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https://www.readbyqxmd.com/read/29133805/xanthine-oxidoreductase-activity-is-associated-with-serum-uric-acid-and-glycemic-control-in-hemodialysis-patients
#1
Ayumi Nakatani, Shinya Nakatani, Eiji Ishimura, Takayo Murase, Takashi Nakamura, Mari Sakura, Yu Tateishi, Akihiro Tsuda, Masafumi Kurajoh, Katsuhito Mori, Masanori Emoto, Masaaki Inaba
Xanthine oxidoreductase activity (XOR-a) plays an important role as a pivotal source of reactive oxygen species. In the present study, we investigated factors associated with plasma XOR-a in 163 hemodialysis patients (age 67.3 ± 10.9 years; 89 males and 74 females), using a newly established, highly-sensitive assay based on [(13)C2,(15)N2] xanthine and liquid chromatography/triple quadrupole mass spectrometry. Plasma glucose and serum uric acid levels correlated significantly and positively with plasma XOR-a...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29118354/apolipoprotein-m-mediates-sphingosine-1-phosphate-efflux-from-erythrocytes
#2
Pernille M Christensen, Markus H Bosteen, Stefan Hajny, Lars B Nielsen, Christina Christoffersen
Sphingosine-1-phosphate (S1P) is a bioactive lipid implicated in e.g. angiogenesis, lymphocyte trafficking, and endothelial barrier function. Erythrocytes are a main source of plasma S1P together with platelets and endothelial cells. Apolipoprotein M (apoM) in HDL carries 70% of plasma S1P, whereas 30% is carried by albumin. The current aim was to investigate the role of apoM in export of S1P from human erythrocytes. Erythrocytes exported S1P more efficiently to HDL than to albumin, particularly when apoM was present in HDL...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29084421/hepatogenic-differentiation-capacity-of-human-wharton-s-jelly-mesenchymal-stem-cell-in-a-co-culturing-system-with-endothelial-cells-in-matrigel-collagen-scaffold-in-the-presence-of-fetal-liver-extract
#3
Zahra Khodabandeh, Zahra Vojdani, Tahereh Talaei-Khozani, Soghra Bahmanpour
Background: Human Wharton's jelly mesenchymal stem cells (HWJMSCs) isolated from medical waste product can be considered as an accessible source of cells in regenerative medicine. Stem cell-derived hepatocytes have poor function and need appropriate niche to reconstruct the liver structure. Therefore, we attempted to find a novel approach in differentiating HWJMSCs into functional hepatic cells using 3D culture conditions and liver extract that recapitulates vital stage in liver development...
October 31, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/29083487/hepatoprotective-effect-of-albumin-peptides-from-corn-germ-meal-on-chronic-alcohol-induced-liver-injury-in-mice
#4
Yali Yu, Lijun Wang, Ying Wang, Dingbo Lin, Jingbo Liu
Despite the fact that chronic and excessive alcohol consumption is a risk factor for many chronic diseases, such as a fatty liver disease, the addictive power of alcohol is strong worldwide. Corn germ meal albumin peptides (CGMAPs), by-products in corn germ oil industry have often been considered as wastes disposal in food processing. The aim of this study was to investigate the hepatoprotective effect of CGMAPs on chronic alcohol-induced liver injury in a mouse model. The corn germ meal-derived albumin was enzymatically hydrolysed, and the albumin peptides fractions (APFs) with Mw < 1 kDa (APF4) was collected...
October 30, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29080380/nutritional-risk-factors-predict-severe-acute-graft-versus-host-disease-and-early-mortality-in-pediatric-allogeneic-hematopoietic-stem-cell-transplantation
#5
Eva H Kerby, Yimei Li, Kelly D Getz, Elizabeth C Smith, Laura T Smith, Nancy J Bunin, Alix E Seif
BACKGROUND: Malnutrition is a pro-inflammatory state, yet data on nutritional risk factors and development of acute graft-versus-host disease (aGVHD) are extremely limited. PROCEDURE: We conducted a retrospective cohort analysis of pediatric patients up to age 21 years who underwent allogeneic hematopoietic stem cell transplantation (HSCT) at the Children's Hospital of Philadelphia from January 2011 to September 2014 to determine whether malnutrition was associated with development of aGVHD and early mortality...
October 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29069090/the-meld-plus-a-generalizable-prediction-risk-score-in-cirrhosis
#6
Uri Kartoun, Kathleen E Corey, Tracey G Simon, Hui Zheng, Rahul Aggarwal, Kenney Ng, Stanley Y Shaw
BACKGROUND AND AIMS: Accurate assessment of the risk of mortality following a cirrhosis-related admission can enable health-care providers to identify high-risk patients and modify treatment plans to decrease the risk of mortality. METHODS: We developed a post-discharge mortality prediction model for patients with a cirrhosis-related admission using a population of 314,292 patients who received care either at Massachusetts General Hospital (MGH) or Brigham and Women's Hospital (BWH) between 1992 and 2010...
2017: PloS One
https://www.readbyqxmd.com/read/29067792/enhanced-hepatogenic-differentiation-of-bone-marrow-derived-mesenchymal-stem-cells-on-liver-ecm-hydrogel
#7
Bo Wang, Wuwei Li, Derrick Dean, Manoj K Mishra, Kennedy S Wekesa
BM-MSC is a promising alternative cell source to primary hepatocytes because of their ability to differentiate into hepatocyte-like cells. However, their inability to differentiate efficiently and potential to turn into myofibroblasts restrict their applications. This study developed a plate coating from the liver extracellular matrix (ECM) and investigated its ability in facilitating the BM-MSCs proliferation, hepatic differentiation, and hepatocyte-specific functions during in vitro culture. After 28-day culture, BM-MSCs on the ECM coating showed hepatocyte-like morphology, and certain cells took up LDL...
October 25, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29064153/comparison-of-albumin-colloid-osmotic-pressure-von-willebrand-factor-and-coagulation-factors-in-canine-cryopoor-plasma-cryoprecipitate-and-fresh-frozen-plasma
#8
Christine A Culler, Cristina Iazbik, Julien Guillaumin
OBJECTIVE: To compare albumin concentrations, coagulation factors activity, and colloid osmotic pressure (COP) of cryoprecipitate (CRYO) and cryopoor plasma (CPP) to that of source fresh frozen plasma (FFP). DESIGN: Prospective in vitro study. SETTING: University teaching hospital. ANIMALS: Ten healthy, non-Greyhound dogs enrolled in an academic teaching hospital blood donor program. INTERVENTIONS: Fresh blood was obtained from canine blood donors and separated into FFP and packed red blood cells...
October 24, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/29059249/the-complex-relationship-between-oligoclonal-bands-lymphocytes-in-the-cerebrospinal-fluid-and-immunoglobulin-g-antibodies-in-multiple-sclerosis-indication-of-serum-contribution
#9
Cheryl Beseler, Timothy Vollmer, Michael Graner, Xiaoli Yu
INTRODUCTION: Intrathecal immunoglobulin G (IgG) and oligoclonal bands (OCBs) are the most consistent and characteristic features of Multiple Sclerosis (MS). OCBs in MS are considered products of clonally expanded B cells in the cerebrospinal fluid (CSF), representing the sum of contributions from B cells in the brain. However, large amounts of IgG can be eluted from MS plaques in which lymphocytes are absent, and there is no correlation between levels of plaque-associated IgG and the presence of lymphocytes...
2017: PloS One
https://www.readbyqxmd.com/read/29039463/hepatic-differentiation-of-human-ipscs-in-different-3d-models-a-comparative-study
#10
Florian Meier, Nora Freyer, Joanna Brzeszczynska, Fanny Knöspel, Lyle Armstrong, Majlinda Lako, Selina Greuel, Georg Damm, Eva Ludwig-Schwellinger, Ulrich Deschl, James A Ross, Mario Beilmann, Katrin Zeilinger
Human induced pluripotent stem cells (hiPSCs) are a promising source from which to derive distinct somatic cell types for in vitro or clinical use. Existent protocols for hepatic differentiation of hiPSCs are primarily based on 2D cultivation of the cells. In the present study, the authors investigated the generation of hiPSC-derived hepatocyte-like cells using two different 3D culture systems: A 3D scaffold-free microspheroid culture system and a 3D hollow-fiber perfusion bioreactor. The differentiation outcome in these 3D systems was compared with that in conventional 2D cultures, using primary human hepatocytes as a control...
October 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29026538/plasma-and-cerebrospinal-fluid-interleukin-1%C3%AE-during-lipopolysaccharide-induced-systemic-inflammation-in-ewes-implanted-or-not-with-slow-release-melatonin
#11
Janina Skipor, Marta Kowalewska, Aleksandra Szczepkowska, Anna Majewska, Tomasz Misztal, Marek Jalynski, Andrzej P Herman, Katarzyna Zabek
BACKGROUND: Interleukin-1β (IL-1β) is important mediator of inflammatory-induced suppression of reproductive axis at the hypothalamic level. At the beginning of inflammation, the main source of cytokines in the cerebrospinal fluid (CSF) is peripheral circulation, while over time, cytokines produced in the brain are more important. Melatonin has been shown to decrease pro-inflammatory cytokines concentration in the brain. In ewes, melatonin is used to advance the onset of a breading season...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29022633/in-site-encapsulating-gold-nanowires-into-hemin-coupled-protein-scaffolds-through-biomimetic-assembly-towards-the-nanocomposites-with-strong-catalysis-electrocatalysis-and-fluorescence-properties
#12
Shuai Li, Liyan Zhang, Yao Jiang, Shuyun Zhu, Xiaoxia Lv, Zhiqiang Duan, Hua Wang
An efficient and green biomimetic assembly protocol was developed for the fabrication of multifunctional nanocomposites by mimicking the configuration of natural protein enzymes. Bovine serum albumin (BSA) as the protein model was first split to produce the disassembled BSA (dBSA) of linear polymer and then coupled with catalytic Hemin (Hem). The yielded dBSA-Hem scaffolds were utilized to in-site encapsulate gold nanoclusters (AuNCs) through biominerization, yielding the dBSA-Hem-AuNCs. It was discovered that the nanocomposites could display the well-defined composition and spheric morphology...
October 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28993918/a-new-albumin-depletion-strategy-improves-proteomic-research-of-gingival-crevicular-fluid-from-periodontitis-patients
#13
Sarah Batschkus, Goekhan Cingoez, Henning Urlaub, Nicolai Miosge, Christian Kirschneck, Philipp Meyer-Marcotty, Christof Lenz
OBJECTIVES: Gingival crevicular fluid (GCF), the inflammatory infiltrate within the crevicular sulcus, is of great importance for diverse processes in the oral cavity and has a high impact in oral sciences. It is assumed to serve as a source of biomarkers for systemic or periodontal diseases and mediators of orthodontic tooth movement. In order to characterize the protein content of the GCF in an unbiased and complete approach, we employed mass spectrometry (MS), which allows not only the identification, but also the quantification of these proteins...
October 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28991997/substituting-ground-woody-plants-for-cottonseed-hulls-in-lamb-feedlot-diets-growth-performance-blood-serum-chemistry-and-rumen-fluid-parameters
#14
T R Whitney, J L Glasscock, J P Muir, W C Stewart, E J Scholljegerdes
Effects of using ground woody plants in Rambouillet wether lamb feedlot diets on growth performance, blood serum, and rumen parameters were evaluated. A randomized design study was used with 2 feeding periods (70% concentrate diet from d 0 to 27 [Period 1] and 86% concentrate diet from d 28 to 57 [Period 2]); the concentrate portion of the diets mainly consisted of dried distiller's grains with solubles and sorghum grain. Lambs were individually fed 6 diets that differed only by roughage source ( = 8 animals/treatment; 32...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28982367/revisiting-escherichia-coli-as-microbial-factory-for-enhanced-production-of-human-serum-albumin
#15
Ashima Sharma, Tapan K Chaudhuri
BACKGROUND: Human serum albumin (HSA)-one of the most demanded therapeutic proteins with immense biotechnological applications-is a large multidomain protein containing 17 disulfide bonds. The current source of HSA is human blood plasma which is a limited and unsafe source. Thus, there exists an indispensable need to promote non-animal derived recombinant HSA (rHSA) production. Escherichia coli is one of the most convenient hosts which had contributed to the production of more than 30% of the FDA approved recombinant pharmaceuticals...
October 5, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28953318/terlipressin-versus-other-vasoactive-drugs-for-hepatorenal-syndrome
#16
REVIEW
Mads Israelsen, Aleksander Krag, Andrew S Allegretti, Manol Jovani, Alison H Goldin, Rachel W Winter, Lise Lotte Gluud
BACKGROUND: Hepatorenal syndrome is defined as severe renal failure occurring in people with cirrhosis and ascites. Systematic reviews of randomised clinical trials found that, compared with placebo, terlipressin may reduce mortality and improve renal function in people with hepatorenal syndrome, but we need current evidence from systematic reviews on the benefits and harms of terlipressin versus other vasoactive drugs. OBJECTIVES: To evaluate the beneficial and harmful effects of terlipressin versus other vasoactive drugs for people with hepatorenal syndrome...
September 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28942846/trichosporon-asahii-secretes-a-30-kda-aspartic-peptidase
#17
Roberta S Valle, Lívia S Ramos, Vanessa J Reis, Mariangela Ziccardi, Marcos Dornelas-Ribeiro, Cátia L Sodré, Marta H Branquinha, André L S Santos
Trichosporon asahii is a fungal opportunistic pathogen that causes superficial and deep-seated infections presenting high mortality. Very little is known about the virulence attributes produced by this fungus. Herein, aspartic peptidase production was identified in Brazilian clinical isolates of T. asahii by different methodologies. Initially, T. asahii strain 250 (from skin lesion) was inoculated in both liquid and solid culture media containing bovine serum albumin (BSA) as the sole nitrogenous source. A translucent halo around the fungal colony was observed from the 5th day of culture...
December 2017: Microbiological Research
https://www.readbyqxmd.com/read/28941776/formation-of-long-lived-reactive-species-of-blood-serum-proteins-induced-by-low-intensity-irradiation-of-helium-neon-laser-and-their-involvement-in-the-generation-of-reactive-oxygen-species
#18
Vladimir E Ivanov, Anna M Usacheva, Anatoly V Chernikov, Vadim I Bruskov, Sergey V Gudkov
It was demonstrated that low-intensity radiation of helium-neon (He-Ne) laser at 632.8nm, which leads to the transition of oxygen to a singlet state, causes the formation of reactive oxygen species (ROS) - hydrogen peroxide, hydroxyl and superoxide (hydroperoxide) radicals - in aqueous solutions. The oxygen effect - dependence of hydrogen peroxide formation on the concentration of molecular oxygen - was shown, and the participation of singlet oxygen, hydroxyl radicals and superoxide (hydroperoxide) radicals in this process was testified...
September 14, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28922514/the-complexity-of-oral-physiology-and-its-impact-on-salivary-diagnostics
#19
Eva J Helmerhorst, Colin Dawes, Frank G Oppenheim
OBJECTIVES: Saliva contains biomarkers for systemic as well as oral diseases. This study was undertaken to assess the variability in the sources of such biomarkers (plasma, cells), and attempted to identify saliva deterioration markers in order to improve saliva diagnostic outcomes. MATERIALS AND METHODS: Inter- and intra-subject variation in salivary gingival crevicular fluid levels were determined by measuring salivary albumin and transferrin levels. The purity of collected glandular secretions was determined by bacterial culture, and the variability in epithelial cell numbers by cell counting and optical density measurement...
September 18, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28900838/comparative-nutritional-value-of-jatropha-curcas-protein-isolate-and-soy-protein-isolate-in-common-carp
#20
Sunil Nepal, Vikas Kumar, Harinder P S Makkar, Timo Stadtlander, Nicholas Romano, Klaus Becker
Jatropha seed cake (JSC) is an excellent source of protein but does contain some antinutritional factors (ANF) that can act as toxins and thus negatively affect the growth and health status of fish. While this can limit the use of JSC, detoxified Jatropha protein isolate (DJPI) may be a better option. An 8-week study was performed to evaluate dietary DJPI to common carp Cyprinus carpio. Five iso-nitrogenous diets (crude protein of 38%) were formulated that consisted of a C ontrol (fish meal (FM) based protein), J 50 or J 75 (50 and 75% of FM protein replaced by DJPI), and S 50 or S 75 (50 and 75% of FM protein replaced by soy protein isolate, SPI) and fed to triplicate groups of 75 carp fingerlings (75; av...
September 12, 2017: Fish Physiology and Biochemistry
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