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https://www.readbyqxmd.com/read/28931466/1-alpha-25-dihydroxyvitamin-d3-up-regulates-the-expression-of-2-types-of-human-intestinal-alkaline-phosphatase-alternative-splicing-variants-in-caco-2-cells-and-may-be-an-important-regulator-of-their-expression-in-gut-homeostasis
#1
Seiko Noda, Asako Yamada, Kanae Nakaoka, Masae Goseki-Sone
Vitamin D insufficiency is associated with a greater risk of osteoporosis and also influences skeletal muscle functions, differentiation, and development. The principal function of vitamin D in calcium homeostasis is to increase the absorption of calcium from the intestine, and the level of alkaline phosphatase (ALP) activity, a differentiation marker for intestinal epithelial cells, is regulated by vitamin D. Intestinal-type ALP is expressed at a high concentration in the brush border membrane of intestinal epithelial cells, and is known to be affected by several kinds of nutrients...
August 4, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28929964/-investigation-of-bacterial-and-viral-etiology-in-community-acquired-central-nervous-system-infections-with-molecular-methods
#2
Hasip Kahraman, Alper Tünger, Şebnem Şenol, Hörü Gazi, Meltem Avcı, Bahar Örmen, Nesrin Türker, Sabri Atalay, Şükran Köse, Sercan Ulusoy, Meltem Işıkgöz Taşbakan, Oğuz Reşat Sipahi, Tansu Yamazhan, Zeynep Gülay, Sema Alp Çavuş, Hüsnü Pullukçu
In this multicenter prospective cohort study, it was aimed to evaluate the bacterial and viral etiology in community-acquired central nervous system infections by standart bacteriological culture and multiplex polymerase chain reaction (PCR) methods. Patients hospitalized with central nervous system infections between April 2012 and February 2014 were enrolled in the study. Demographic and clinical information of the patients were collected prospectively. Cerebrospinal fluid (CSF) samples of the patients were examined by standart bacteriological culture methods, bacterial multiplex PCR (Seeplex meningitis-B ACE Detection (Streptococcus pneumoniae, Neisseria meningitidis, Haemophilus influenzae, Listeria monocytogenes, Group B streptococci) and viral multiplex PCR (Seeplex meningitis-V1 ACE Detection kits herpes simplex virus-1 (HSV1), herpes simplex virus-2 (HSV2), varicella zoster virus (VZV), cytomegalovirus (CMV), Epstein Barr virus (EBV) and human herpes virus 6 (HHV6)) (Seeplex meningitis-V2 ACE Detection kit (enteroviruses))...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929460/trace-metal-levels-in-rainbow-trout-oncorhynchus-mykiss-cultured-in-net-cages-in-a-reservoir-and-evaluation-of-human-health-risks-from-consumption
#3
Memet Varol, Gülderen Kurt Kaya, Sumru Anık Alp, Muhammet Raşit Sünbül
Although fish consumption has positive health effects, metals accumulated in fish can cause human health risks. In this study, the levels of ten metals in rainbow trout (Oncorhynchus mykiss) farmed in the Keban Dam Reservoir, which has the biggest rainbow trout production capacity in Turkey, were determined and compared with the maximum permissible levels (MPLs). Also, human health risks associated with rainbow trout consumption were assessed. The metal concentrations in rainbow trout were found below the MPLs...
September 19, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28928654/adenosine-receptor-stimulation-improves-glucocorticoid-induced-osteoporosis-in-a-rat-model
#4
Gabriele Pizzino, Natasha Irrera, Federica Galfo, Giacomo Oteri, Marco Atteritano, Giovanni Pallio, Federica Mannino, Angelica D'Amore, Enrica Pellegrino, Federica Aliquò, Giuseppe P Anastasi, Giuseppina Cutroneo, Francesco Squadrito, Domenica Altavilla, Alessandra Bitto
Glucocorticoid-induced osteoporosis (GIO) is a secondary cause of bone loss. Bisphosphonates approved for GIO, might induce jaw osteonecrosis; thus additional therapeutics are required. Adenosine receptor agonists are positive regulators of bone remodeling, thus the efficacy of adenosine receptor stimulation for treating GIO was tested. In a preventive study GIO was induced in Sprague-Dawley rats by methylprednisolone (MP) for 60 days. Animals were randomly assigned to receive polydeoxyribonucleotide (PDRN), an adenosine A2 receptor agonist, or PDRN and DMPX (3,7-dimethyl-1-propargylxanthine, an A2 antagonist), or vehicle (0...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28927930/biodegradable-and-adjustable-sol-gel-glass-based-hybrid-scaffolds-from-multi-armed-oligomeric-building-blocks
#5
Christian Kascholke, Stephan Hendrikx, Tobias Flath, Dzmitry Kuzmenka, Hans-Martin Dörfler, Dirk Schumann, Mathias Gressenbuch, F Peter Schulze, Michaela Schulz-Siegmund, Michael C Hacker
Biodegradability is a crucial characteristic to improve the clinical potential of sol-gel-derived glass materials. To this end, a set of degradable organic/inorganic class II hybrids from a tetraethoxysilane(TEOS)-derived silica sol and oligovalent cross-linker oligomers containing oligo(D,L-lactide) domains was developed and characterized. A series of 18 oligomers (Mn: 1100-3200 Da) with different degrees of ethoxylation and varying length of oligoester units was established and chemical composition was determined...
September 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28927682/mgf-e-peptide-pretreatment-improves-the-proliferation-and-osteogenic-differentiation-of-bmscs-via-mek-erk1-2-and-pi3k-akt-pathway-under-severe-hypoxia
#6
Yongqiang Sha, Yonggang Lv, Zhiling Xu, Li Yang, Xiaoying Hao, Ruli Afandi
AIMS: Severe hypoxia always inhibits the cell proliferation, osteogenic differentiation of bone marrow-derived mesenchymal stem cells (BMSCs), and hinders bone defect repair. Herein we explored the effects of mechano-growth factor (MGF) E peptide on the proliferation and osteogenic differentiation of BMSCs under severe hypoxia. MATERIALS AND METHODS: CoCl2 was utilized to simulate severe hypoxia. MTS was used to detect cell viability. Cell proliferation was verified through flow cytometry and EdU assay...
September 16, 2017: Life Sciences
https://www.readbyqxmd.com/read/28927644/acute-kidney-injury-is-a-risk-factor-for-subsequent-proteinuria
#7
Sharidan K Parr, Michael E Matheny, Khaled Abdel-Kader, Robert A Greevy, Aihua Bian, James Fly, Guanhua Chen, Theodore Speroff, Adriana M Hung, T Alp Ikizler, Edward D Siew
Acute kidney injury (AKI) is associated with subsequent chronic kidney disease (CKD), but the mechanism is unclear. To clarify this, we examined the association of AKI and new-onset or worsening proteinuria during the 12 months following hospitalization in a national retrospective cohort of United States Veterans hospitalized between 2004-2012. Patients with and without AKI were matched using baseline demographics, comorbidities, proteinuria, estimated glomerular filtration rate, blood pressure, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker (ACEI/ARB) use, and inpatient exposures linked to AKI...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28927298/prognostic-value-of-perfusion-ct-in-hepatocellular-carcinoma-treatment-with-sorafenib-comparison-with-mrecist-in-longitudinal-follow-up
#8
Sascha Kaufmann, Wolfgang M Thaiss, Maximilian Schulze, Michael Bitzer, Ulrich Lauer, Konstantin Nikolaou, Marius Horger
Background Targeted therapies are of increasing clinical importance and classic radiologic therapy response-criteria often fail to detect early therapeutic response or failure. For hepatocellular carcinoma (HCC), this is of major importance as therapeutic options are limited. Purpose To investigate the impact of sorafenib-treatment on intralesional perfusion using perfusion computed tomography (PCT) in HCC and to correlate the observed changes with mRECIST and the course of serum alpha-fetoprotein (AFP) for identification of their prognostic value...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28926677/ca-2-influxes-and-transmembrane-transport-are-essential-for-phytic-acid-degradation-in-mung-bean-sprouts
#9
Ting Zhou, Pei Wang, Runqiang Yang, Xinyue Wang, Zhenxin Gu
BACKGROUND: Phytic acid is considered as an antinutrient. Ca(2+) addition during germination has been proved to be an effective method for reducing phytic acid content in seeds. In this study, mung bean sprouts were treated with LaCl3 (La), verapamil (VP), ruthenium red (RR) and CaCl2 to explore the effect of Ca(2+) influxes on phytic acid degradation. RESULTS: 6 mM CaCl2 significantly improved extracellular and intracellular calcium precipitates and calcium content, elevated phytase and acid phosphatase activity and further enhanced phytic acid degradation...
September 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28926103/fam20c-regulates-osteoblast-behaviors-and-intracellular-signaling-pathways-in-a-cell-autonomous-manner
#10
Chao Liu, Hua Zhang, Priyam Jani, Xiaofang Wang, Yongbo Lu, Nan Li, Jing Xiao, Chunlin Qin
Recent studies indicate that Family with sequence similarity 20 member C (FAM20C) catalyzes the phosphorylation of secreted proteins, and participates in a variety of biological processes, including cell proliferation, migration, mineralization and phosphate homeostasis. To explore the local influences of FAM20C on osteoblast, Fam20c-deficient osteoblasts were generated by treating the immortalized Fam20c(f/f) osteoblasts with CMV-Cre-IRES-EGFP lentivirus. Compared with the normal Fam20c(f/f) osteoblasts, the expression of Bone sialoprotein (Bsp), Osteocalcin (Ocn), Fibroblast growth factor 23 (Fgf23) and transcription factors that promote osteoblast maturation were up-regulated in the Fam20c-deficient osteoblasts...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28926099/anti-osteoporosis-activity-of-sanguinarine-in-preosteoblast-mc3t3-e1-cells-and-an-ovariectomized-rat-model
#11
Fuzhan Zhang, Jile Xie, Genlin Wang, Ge Zhang, Huilin Yang
Sanguinarine, a benzophenanthridine alkaloid, has been previously demonstrated to exert antimicrobial, anti-inflammatory and anti-tumor activities. A previous study has identified Sanguinarine as a potential drug candidate for osteoporosis treatment by computational bioinformatics analysis. This study further evaluated the effects of Sanguinarine on the differentiation of murine preosteoblast MC3T3-E1 cells and its anti-osteoporosis activity in an ovarietomized rat model. Sanguinarine treatment (0.25, 0.5, 1 and 2 µM) of MC3T3-E1 cells significantly increased alkaline phosphatase (ALP) activity and the phoshporalyation of AMP-activated protein kinase α subunit (AMPKα), but did not affect cell proliferation...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925678/dual-functionalized-graphene-oxide-based-sirna-delivery-system-for-implant-surface-bio-modification-with-enhanced-osteogenesis
#12
Li Zhang, Qing Zhou, Wen Song, Kaimin Wu, Yumei Zhang, Yimin Zhao
Surface functionalization by siRNA is a novel strategy for improved implant osseointegration. Gene delivery system with safety and high transfection activity is a crucial factor for siRNA-functionalized implant to exert its biological function. To this end, polyethylene glycol (PEG) and polyethylenimine (PEI) dual-functionalized graphene oxide (GO) (nGO-PEG-PEI) may present a promising siRNA vector. In this study, nano-sized nGO-PEG-PEI was prepared and optimized for siRNA delivery. Titania nanotubes (NT) fabricated by anodic oxidation were bio-modified with nGO-PEG-PEI/siRNA by cathodic electrodeposition, designated as NT-GPP/siRNA...
September 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28925251/understanding-and-predicting-the-fate-of-semi-volatile-organic-pesticides-in-a-glacier-fed-lake-using-a-multimedia-chemical-fate-model
#13
Xiaolin Wu, Cleo Lisa Davie-Martin, Christine Steinlin, Kimberly J Hageman, Nicolas J Cullen, Christian Bogdal
Melting glaciers release previously ice-entrapped chemicals to the surrounding environment. As glacier melting accelerates under future climate warming, chemical release may also increase. This study investigated the behavior of semi-volatile pesticides over the course of one year and predicted their behavior under two future climate change scenarios. Pesticides were quantified in air, lake water, glacial melt water, and stream water in the catchment of Lake Brewster, an alpine glacier-fed lake located in the Southern Alps of New Zealand...
September 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28923833/nephrology-provider-prognostic-perceptions-and-care-delivered-to-older-adults-with-advanced-kidney-disease
#14
Huzaifah Salat, Andrei Javier, Edward D Siew, Rocio Figueroa, Loren Lipworth, Edmond Kabagambe, Aihua Bian, Thomas G Stewart, Maie H El-Sourady, Mohana Karlekar, Cesar Y Cardona, T Alp Ikizler, Khaled Abdel-Kader
BACKGROUND AND OBJECTIVES: Prognostic uncertainty is one barrier that impedes providers in engaging patients with CKD in shared decision making and advance care planning. The surprise question has been shown to identify patients at increased risk of dying. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: In our prospective observational study, 488 patients ≥60 years of age with CKD stage 4 or 5 were enrolled. Binary surprise question (i.e., "Would you be surprised if this patient died in the next 12 months?") responses were recorded, and dialysis planning preferences, presence of advance care planning documentation, and care preceding death were abstracted...
September 18, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28923731/phosphorus-sorption-desorption-and-effects-of-temperature-ph-and-salinity-on-phosphorus-sorption-in-marsh-soils-from-coastal-wetlands-with-different-flooding-conditions
#15
Junhong Bai, Xiaofei Ye, Jia Jia, Guangliang Zhang, Qingqing Zhao, Baoshan Cui, Xinhui Liu
Wetland soils act as a sink or source of phosphorus (P) to the overlaying water due to phosphorus sorption-desorption processes. Litter information is available on sorption and desorption behaviors of phosphorus in coastal wetlands with different flooding conditions. Laboratory experiments were conducted to investigate phosphorus sorption-desorption processes, fractions of adsorbed phosphorus, and the effects of salinity, pH and temperature on phosphorus sorption on soils in tidal-flooding wetlands (TW), freshwater-flooding wetlands (FW) and seasonal-flooding wetlands (SW) in the Yellow River Delta...
August 24, 2017: Chemosphere
https://www.readbyqxmd.com/read/28920416/effects-of-aflatoxin-b1-combined-with-ochratoxin-a-and-or-zearalenone-on-metabolism-immune-function-and-antioxidant-status-in-lactating-dairy-goats
#16
Shuai Huang, Nan Zheng, CaiYun Fan, Ming Cheng, Shang Wang, Adil Jabar, JiaQi Wang, JianBo Cheng
Objective: This experiment was conducted to investigate the effects of aflatoxin B1 (AFB1) alone or mixed with ochratoxin A (OTA) and/or zearalenone (ZEA) on the metabolism, immune function, and antioxidant status of dairy goats. Methods: Fifty lactating Laoshan dairy goats were randomly assigned to one of five treatment groups (n = 10) for 14 days. Goats were fed no additive (control) or administered with 50 μg AFB1/kg DM (AFB1), 50 μg AFB1/kg DM + 100 μg OTA/kg DM (AFB1+OTA), 50 μg AFB1/kg DM + 500 μg ZEA/kg DM (AFB1+ZEA), or 50 μg AFB1/kg DM + 100 μg OTA/kg DM + 500 μg ZEA/kg DM (AFB1+OTA+ZEA)...
September 18, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28919958/further-studies-on-boreonectes-angus-2010-with-a-molecular-phylogeny-of-the-palaearctic-species-of-the-genus
#17
Robert B Angus, Ignacio Ribera, Fenglong Jia
Karyotypes are given for Boreonectes emmerichi (Falkenström, 1936) from its type locality at Kangding, China, and for B. alpestris (Dutton & Angus, 2007) from the St Gotthard and San Bernardino passes in the Swiss Alps. A phylogeny based on sequence data from a combination of mitochondrial and nuclear genes recovered western Palaearctic species of Boreonectes as monophyletic with strong support. Boreonectes emmerichi was placed as sister to the north American forms of B. griseostriatus (De Geer, 1774), although with low support...
2017: Comparative Cytogenetics
https://www.readbyqxmd.com/read/28919568/robotic-stereotactic-assistance-rosa-utilization-for-minimally-invasive-placement-of-intraparenchymal-hematoma-and-intraventricular-catheters-case-report
#18
Nima Alan, Phillip Lee, Alp Ozpinar, Bradley A Gross, Brian T Jankowitz
BACKGROUND: In patients with supratentorial spontaneous intracerebral hemorrhage, intrahematomal catheter placement may allow for intra-clot thrombolysis and drainage. Robotic assistance may be used for the stereotactic placement of catheters. CASE DESCRIPTION: A 76-year-old male presented with altered mental status and left-sided weakness. Non-contrast CT head showed a right ganglionic intraparenchymal hemorrhage with resultant entrapment of the temporal horn. Using Robotic Stereotactic Assistance (ROSA), an intrahematomal and an intraventricular catheter were placed...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919027/macrolactin-f-inhibits-rankl-mediated-osteoclastogenesis-by-suppressing-akt-mapk-and-nfatc1-pathways-and-promotes-osteoblastogenesis-through-a-bmp-2-smad-akt-runx2-signaling-pathway
#19
Liang Li, Mahesh Sapkota, Ming Gao, Hyukjae Choi, Yunjo Soh
The balance between bone formation and bone resorption is maintained by osteoblasts and osteoclasts. In the current study, macrolactin F (MF) was investigated for novel biological activity on the receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL)-induced osteoclastogenesis in primary bone marrow-derived macrophages (BMMs). We found that RANKL-induced osteoclast formation and differentiation from BMMs was significantly inhibited by MF in a dose-dependent manner without cytotoxicity. RANKL-induced F-actin ring formation and bone resorption activity in BMMs which was attenuated by MF...
September 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28917913/microparticle-embedded-fibroin-alginate-beads-for-prolonged-local-release-of-simvastatin-hydroxyacid-to-mesenchymal-stem-cells
#20
F Ungaro, O Catanzano, I d'Angelo, L Diaz-Gomez, A Concheiro, A Miro, C Alvarez-Lorenzo, F Quaglia
In the present work, we propose silk fibroin/alginate (SF/Alg) beads embedding simvastatin-loaded biodegradable microparticles as a versatile platform capable of tuning SVA release and in so doing osteogenic effects. In a first part of the study, microparticles of poly(lactic-co-glycolic) acid incorporating simvastatin either as lactone (SVL) or as hydroxyacid form (SVA) were prepared by spray-drying. While SVA-loaded microparticles released the drug in three days, long-term release of SVA could be obtained from SVL-loaded microparticles...
November 1, 2017: Carbohydrate Polymers
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