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https://www.readbyqxmd.com/read/29784961/sarcodon-imbricatus-polysaccharides-improve-mouse-hematopoietic-function-after-cyclophosphamide-induced-damage-via-g-csf-mediated-jak2-stat3-pathway
#1
Xue Wang, Qiubo Chu, Xue Jiang, Yue Yu, Libian Wang, Yaqi Cui, Jiahui Lu, Lirong Teng, Di Wang
Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction. We found that SIPS induced proliferation and differentiation of CHRF and K562 cells and upregulated the expression of hematopoietic-related proteins, including p90 ribosomal S6 kinases (RSK1p90), c-Myc, and ETS transcription factor, in the two cell lines...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29780203/only-when-the-societal-impact-potential-is-high-a-panel-study-of-the-relationship-between-public-service-motivation-and-perceived-performance
#2
Nina van Loon, Anne Mette Kjeldsen, Lotte Bøgh Andersen, Wouter Vandenabeele, Peter Leisink
Many studies find positive associations between public service motivation (PSM) and performance, but much of this literature is based on cross-sectional data prone to endogeneity and common method bias. Moreover, we know little about potential moderators. In this study, we test the moderating role of societal impact potential (SIP)-the degree to which the job is perceived to provide opportunities to contribute to society. We use cross-sectional data from 13,967 employees in 2010 and 2012 aggregated to construct longitudinal data for 42 organizations...
June 2018: Review of Public Personnel Administration
https://www.readbyqxmd.com/read/29775829/synthesis-of-mesoporous-triple-metal-nanosorbent-from-layered-double-hydroxide-as-an-efficient-new-sorbent-for-removal-of-dye-from-water-and-wastewater
#3
Miloš Kostić, Miljana Radović, Nena Velinov, Slobodan Najdanović, Danijela Bojić, Andrew Hurt, Aleksandar Bojić
In this study, co-precipitation synthesis of the mesoporous triple-metal nanosorbent from Fe, Cu, Ni layered double hydroxide (FeCuNi-LDH), on the basis of the data obtained from the TG analysis was carried out. The FTIR spectroscopy and XRD results confirm the formation of CuO, NiO and Fe2 O3 nanoparticles, while the EDX analysis does not show significant variations on the surface in elemental composition. BET analysis shows that FeCuNi-280 (FeCuNi-LDH calcinated at 280 °C) with mesoporous structure, has larger surface area compared to FeCuNi-LDH and FeCuNi-550 (FeCuNi-LDH calcinated at 550 °C)...
May 15, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29771941/efficacy-of-ivermectin-mass-drug-administration-to-control-scabies-in-asylum-seekers-in-the-netherlands-a-retrospective-cohort-study-between-january-2014-march-2016
#4
Dorien T Beeres, Sofanne J Ravensbergen, Annelies Heidema, Darren Cornish, Machiel Vonk, Leonie D Wijnholds, Jessica J H Hendriks, Johanneke Kleinnijenhuis, Till F Omansen, Ymkje Stienstra
Scabies is a skin infestation with the mite Sarcoptes scabiei causing itch and rash and is a major risk factor for bacterial skin infections and severe complications. Here, we evaluated the treatment outcome of 2866 asylum seekers who received (preventive) scabies treatment before and during a scabies intervention programme (SIP) in the main reception centre in the Netherlands between January 2014 and March 2016. A SIP was introduced in the main national reception centre based on frequent observations of scabies and its complications amongst Eritrean and Ethiopian asylum seekers in the Netherlands...
May 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29770327/-in-vitro-cytotoxicity-and-in-vivo-antimammary-tumor-effects-of-the-hydroethanolic-extract-of-acacia-seyal-mimosaceae-stem-bark
#5
Stephane Zingue, Amstrong Nang Njuh, Alain Brice Tueche, Jeremie Tamsa, Edwige Nana Tchoupang, Stanislas Djaouli Kakene, Marius Trésor Kemegne Sipping, Dieudonné Njamen
The present study was designed to evaluate the in vitro and in vivo antitumor effects of A. seyal hydroethanolic extract on breast cancer. The cytotoxicity of A. seyal extract was evaluated using resazurin reduction assay in 9 cell lines. Further, the protective effect of the hydroethanolic extract of A. seyal stem barks was evaluated on 7,12-dimethylbenz(a)anthracene- (DMBA-) induced breast cancer rat model. Incidence, burden, volume, and histological analysis of mammary tumors were measured. The Acacia seyal extract exhibited CC50 of 100 in MCF-7 cells after 24 h...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29767715/stable-isotope-probing-of-hypoxic-toluene-degradation-at-the-sikl%C3%A3-s-aquifer-reveals-prominent-role-of-rhodocyclaceae
#6
András Táncsics, Anna Róza Szalay, Milan Farkas, Tibor Benedek, S Szoboszlay, I Szabó, Tillmann Lueders
The availability of oxygen is often a limiting factor for the degradation of aromatic hydrocarbons in subsurface environments. However, while both aerobic and anaerobic degraders have been intensively studied, degradation betwixt, under micro- or hypoxic conditions has rarely been addressed. It is speculated that in environments with limited, but sustained oxygen supply, such as in the vicinity of groundwater monitoring wells, hypoxic degradation may take place. A large diversity of subfamily I.2.C extradiol dioxygenase genes has been previously detected in a BTEX-contaminated aquifer in Hungary...
May 14, 2018: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/29765014/steroid-receptor-coactivator-interacting-protein-sip-suppresses-myocardial-injury-caused-by-acute-pancreatitis
#7
Xin Chen, Bin Zhu
BACKGROUND Steroid receptor coactivator-interacting protein (SIP) inhibits the activation of nuclear factor-kappa B (NF-κB) by interacting with p65. The occurrence of acute pancreatitis (AP) is closely associated with pro-inflammatory response. The present study aimed to investigate the role of SIP on myocardial injury caused by AP. MATERIAL AND METHODS Rat pancreatic acinar tumor cell line AR42J cells were treated with caerulein to establish AP cell models. The levels of TNF-α, IL-6, cTnI, CK-MB, and LDH1 were detected by ELISA assay...
May 16, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29762472/weaning-time-in-preterm-infants-an-audit-of-italian-primary-care-paediatricians
#8
Maria Elisabetta Baldassarre, Antonio Di Mauro, Annarita Pedico, Valentina Rizzo, Manuela Capozza, Fabio Meneghin, Gianluca Lista, Nicola Laforgia
INTRODUCTION: According to the 2016 Italian National Institute of Statistics (Istat) data in Italy, about 6.7% of all newborns are born prematurely. Due to the lack of data on current complementary feeding in preterm infants in Italy, the aim of the survey was to evaluate individual attitudes of primary care paediatricians, concerning the introduction of complementary foods in preterm infants. METHODS: An internet-based survey was conducted among primary care paediatricians, working in Italy, regarding (1) timing of the introduction of complementary foods to preterm newborns; (2) type of complementary foods introduced; (3) vitamin D and iron supplementations...
May 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29760349/identification-of-novel-potential-acetate-oxidizing-bacteria-in-an-acetate-fed-methanogenic-chemostat-based-on-dna-stable-isotope-probing
#9
Hui-Zhong Wang, Min Gou, Yue Yi, Zi-Yuan Xia, Yue-Qin Tang
Acetate is a significant intermediate of anaerobic fermentation. There are two pathways for converting acetate to CH4 and CO2 : acetoclastic methanogenesis by acetoclastic methanogens, and syntrophic acetate oxidation by acetate-oxidizing bacteria (AOB) and hydrogenotrophic methanogens. Detailed investigations of syntrophic acetate-oxidizing bacteria (SAOB) should contribute to the elucidation of the microbial mechanisms of methanogenesis. In this study, we investigated the major phylogenetic groups of acetate-utilizing bacteria (AUB) in a mesophilic methanogenic chemostat fed with acetate as the sole carbon source by using DNA stable isotope probing (SIP) technology...
May 11, 2018: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29755393/language-lateralization-and-auditory-attention-impairment-in-young-adults-at-ultra-high-risk-for-psychosis-a-dichotic-listening-study
#10
Ingvild Aase, Kristiina Kompus, Jens Gisselgård, Inge Joa, Jan O Johannessen, Kolbjørn Brønnick
Objectives: Impaired attention and language functions are common in psychosis, but have been less explored in subjects with ultra-high risk for psychosis (UHR). The aim of the study was to investigate differences in language lateralization and auditory attention in UHR subjects compared to healthy controls with a dichotic listening paradigm. In addition, symptoms from The Structural Interview for Prodromal Syndromes (SIPS) were explored in relation to performance on dichotic listening. Methods: The UHR subjects ( n = 46, female = 28, mean age = 17...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29751259/cetyltrimethylammonium-bromide-intercalated-and-branched-polyhydroxystyrene-functionalized-montmorillonite-clay-to-sequester-cationic-dyes
#11
El-Refaie Kenawy, Ayman A Ghfar, Saikh Mohammad Wabaidur, Moonis Ali Khan, Masoom Raza Siddiqui, Zeid A Alothman, Ayoub Abdullah Alqadami, Muhammad Hamid
Herein, Cetyltrimethyl ammonium bromide (CTAB) intercalated and branched polyhydroxystyrene (BPS) functionalized montmorillonite (MMT) nano-composite (BPS-CTAB-MMT) was developed, characterized, and its potential as an adsorbent was tested in sequestering cationic dyes viz. rhodamine B (RB), crystal violet (CV), and methylene blue (MB) from aqueous environment. N2 adsorption/desorption isotherm showed mesoporous BPS-CTAB-MMT surface with a BET surface area of 273.8 m2 /g. The appearance of sharp spikes at 2855 and 2925 cm-1 (associated with symmetric and asymmetric tensions of C - H bonds) in infra-red spectrum of BPS-CTAB-MMT indicates successful intercalation of MMT with CTAB and functionalization with BPS...
May 8, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29728707/dna-sip-reveals-the-diversity-of-chemolithoautotrophic-bacteria-inhabiting-three-different-soil-types-in-typical-karst-rocky-desertification-ecosystems-in-southwest-china
#12
Baoqin Li, Zhe Li, Xiaoxu Sun, Qi Wang, Enzong Xiao, Weimin Sun
Autotrophs that inhabit soils receive less attention than their counterparts in other ecosystems, such as deep-sea and subsurface sediments, due to the low abundance of autotrophs in soils with high organic contents. However, the karst rocky desertification region is a unique ecosystem that may have a low level of organic compounds. Therefore, we propose that karst rocky desertification ecosystems may harbor diverse autotrophic microbial communities. In this study, DNA-SIP was employed to identify the chemolithoautotrophic bacteria inhabiting three soil types (i...
May 4, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29727832/identification-of-biphenyl-metabolising-microbes-in-activated-biosludge-using-cultivation-independent-and-dependent-approaches
#13
Mengke Song, Longfei Jiang, Dayi Zhang, Chunling Luo, Hua Yin, Yongtao Li, Gan Zhang
Microbes have important roles in removing organic pollutants in wastewater treatment plants (WWTPs), especially in mineralising recalcitrant persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs). However, the majority of the microorganisms that metabolise these pollutants in situ remain elusive owing to barriers of traditional techniques in unravel yet-to-be-cultivated microbes. In this study, DNA stable-isotope probing (SIP) coupled with high-throughput sequencing was applied to identify the microbes responsible for PCB degradation in the activated biosludge of a WWTP using 13 C-labelled biphenyl (BP)...
April 16, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29727385/secondary-prophylaxis-of-hepatic-encephalopathy-in-cirrhosis-of-liver-a-double-blind-randomized-controlled-trial-of-l-ornithine-l-aspartate-versus-placebo
#14
Shivakumar Varakanahalli, Barjesh C Sharma, Siddharth Srivastava, Sanjeev Sachdeva, Amol S Dahale
BACKGROUND AND AIMS: Hepatic encephalopathy (HE) is associated with a poor prognosis. There is no study on the prevention of recurrence of encephalopathy with L-ornithine L-aspartate (LOLA). PATIENTS AND METHODS: We conducted a double-blind randomized controlled trial at a tertiary center. Consecutive patients with cirrhosis who had recovered from HE were randomized to receive LOLA (6 g thrice daily) or similar amount of placebo by computer-based randomization for 6 months...
April 30, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29717995/the-putative-siderophore-interacting-protein-from-vibrio-anguillarum-protein-production-analysis-crystallization-and-x-ray-crystallographic-studies
#15
Yu Han, Kun Zang, Changshui Liu, Yingjie Li, Qingjun Ma
Siderophore-interacting proteins (SIPs) play an important role in iron acquisition in many bacteria. SIPs release iron from the internalized ferric siderophore complex by reducing ferric iron to ferrous iron, but how the iron is reduced is not well understood. Here, a sip gene was identified in the genome of Vibrio anguillarum 775. To further understand the catalytic mechanism of the protein, the SIP was overexpressed in Escherichia coli Rosetta (DE3) cells, purified and crystallized for X-ray diffraction analysis...
May 1, 2018: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/29710586/efficient-removal-of-cd-2-and-pb-2-from-aqueous-solution-with-amino-and-thiol-functionalized-activated-carbon-isotherm-and-kinetics-modeling
#16
Ning Tang, Cheng-Gang Niu, Xue-Ting Li, Chao Liang, Hai Guo, Li-Shen Lin, Chao-Wen Zheng, Guang-Ming Zeng
In order to address the increasingly severe pollution issue caused by heavy metals, activated carbon-based absorbents have gained considerable attention. Herein, two novel adsorbents, amino-functionalized activated carbon (N-AC) and thiol-functionalized activated carbon (S-AC), were successfully synthesized by stepwise modification with tetraethylenepentamine (TEPA), cyanuric chloride (CC) and sodium sulfide. The pristine and synthesized materials were characterized by BET analysis, SEM, FTIR spectroscopy, elemental analysis and zeta-potential analyzer...
April 23, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29705863/a-sperm-spawn-inducing-pheromone-in-the-silver-lip-pearl-oyster-pinctada-maxima
#17
A Taylor, D Mills, T Wang, N Ntalamagka, S F Cummins, A Elizur
Pheromones are considered to play an important role in broadcast spawning in aquatic animals, facilitating synchronous release of gametes. In oysters, the sperm has been implicated as a carrier for the spawn-inducing pheromone (SIP). In hatchery conditions, male pearl oysters (Pinctata maxima) can be stimulated to spawn through a variety of approaches (e.g. rapid temperature change), while females can only be induced to spawn through exposure to conspecific sperm, thus limiting development of targeted pairing, required for genetic research and management...
April 28, 2018: Marine Biotechnology
https://www.readbyqxmd.com/read/29705807/rapamycin-protects-skin-fibroblasts-from-ultraviolet-b-induced-photoaging-by-suppressing-the-production-of-reactive-oxygen-species
#18
Dengke Qin, Runjian Ren, Chuanlong Jia, Yongzhou Lu, Qingjian Yang, Liang Chen, Xinyuan Wu, Jingjing Zhu, Yu Guo, Ping Yang, Yiqun Zhou, Ningwen Zhu, Bo Bi, Tianyi Liu
BACKGROUND/AIMS: Ultraviolet B (UVB) irradiation alters multiple molecular pathways in the skin, thereby inducing skin photoaging. Murine dermal fibroblasts (MDFs) were subjected to a series of 4 sub-cytotoxic UVB doses (120 mJ/cm2), resulting in changes in cell shape, DNA damage, cell cycle arrest, extracellular matrix variations, reactive oxygen species (ROS) generation, and alterations in major intracellular antioxidant and cellular autophagy levels. Rapamycin (RAPA) is a new macrolide immunosuppressive agent that is primarily used in oncology, cardiology, and transplantation medicine and has been found to extend the lifespan of genetically heterogeneous mice...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29686622/inhibitory-neural-regulation-of-the-ca-2-transients-in-intramuscular-interstitial-cells-of-cajal-in-the-small-intestine
#19
Salah A Baker, Bernard T Drumm, Caroline A Cobine, Kathleen D Keef, Kenton M Sanders
Gastrointestinal motility is coordinated by enteric neurons. Both inhibitory and excitatory motor neurons innervate the syncytium consisting of smooth muscle cells (SMCs) interstitial cells of Cajal (ICC) and PDGFRα+ cells (SIP syncytium). Confocal imaging of mouse small intestines from animals expressing GCaMP3 in ICC were used to investigate inhibitory neural regulation of ICC in the deep muscular plexus (ICC-DMP). We hypothesized that Ca2+ signaling in ICC-DMP can be modulated by inhibitory enteric neural input...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29681688/geophysical-methods-for-monitoring-soil-stabilization-processes
#20
Sina Saneiyan, Dimitrios Ntarlagiannis, D Dale Werkema, Andréa Ustra
Soil stabilization involves methods used to turn unconsolidated and unstable soil into a stiffer, consolidated medium that could support engineered structures, alter permeability, change subsurface flow, or immobilize contamination through mineral precipitation. Among the variety of available methods carbonate precipitation is a very promising one, especially when it is being induced through common soil borne microbes (MICP - microbial induced carbonate precipitation). Such microbial mediated precipitation has the added benefit of not harming the environment as other methods can be environmentally detrimental...
2018: Journal of Applied Geophysics
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