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https://www.readbyqxmd.com/read/28214121/a-molecular-zoom-into-soil-humeome-by-a-direct-sequential-chemical-fractionation-of-soil
#1
Marios Drosos, Antonio Nebbioso, Pierluigi Mazzei, Giovanni Vinci, Riccardo Spaccini, Alessandro Piccolo
A Humeomics sequential chemical fractionation coupled to advanced analytical identification was applied directly to soil for the first time. Humeomics extracted ~235% more soil organic carbon (SOC) than by the total alkaline extraction traditionally employed to solubilise soil humic molecules (soil Humeome). Seven fractions of either hydro- or organo-soluble components and a final unextractable humic residue were separated from soil. These materials enabled an unprecedented structural identification of solubilised heterogeneous humic molecules by combining NMR, GC-MS, and ESI-Orbitrap-MS...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28213311/effect-of-biomass-pretreatment-on-the-product-distribution-and-composition-resulting-from-the-hydrothermal-liquefaction-of-short-rotation-coppice-willow
#2
I F Grigoras, R E Stroe, I M Sintamarean, L A Rosendahl
A major challenge for the implementation of hydrothermal liquefaction (HTL) as a continuous process is the formulation of lignocellulosic feedstock, which is prone to phase separation into water and biomass parts when pressurized. One approach to remedy such phase separation is to reduce the dry matter content; however, as this approach is detrimental to process cost efficiency, designing an appropriate pretreatment step to ensure pumpability at high dry matter content is preferable. This paper evaluated the effect of various pretreatment methods on product distribution and composition resulting from the HTL of willow and proposes short rotation coppice as an alternative biomass feedstock for biofuels production...
January 30, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28212453/bone-morphogenetic-protein-2-hybridized-with-nano-anchored-oligonucleotides-on-titanium-implants-enhances-osteogenic-differentiation-in-vivo
#3
Florian Böhrnsen, Jennifer Rublack, Nelia Aeckerle, Anne Foerster, Bernd Schwenzer, Judith Reichert, Dieter Scharnweber, Henning Schliephake
PURPOSE: Previous in vitro studies have shown that DNA oligonucleotides (ODN) can be successfully used as anchor strands for the binding and retarded release of biologically active recombinant human bone morphogenetic protein 2 (rhBMP-2). The aim of the present study was to test the hypothesis that rhBMP-2 bound to the surface of titanium implants through hybridization with nano-anchored ODN strands is biologically active and can enhance the induction of osteogenic markers in peri-implant bone in vivo...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28212004/fluorescence-regulation-of-poly-thymine-templated-copper-nanoparticles-via-an-enzyme-triggered-reaction-towards-sensitive-and-selective-detection-of-alkaline-phosphatase
#4
Junyao Li, Ling Si, Jianchun Bao, Zhaoyin Wang, Zhihui Dai
The activity of alkaline phosphatase (ALP) is a crucial index of blood routine examinations, since the concentration of ALP is highly associated with various human diseases. To address the demands of clinical tests, efforts should be made to develop more approaches that can sense ALP in real samples. Recently, we find that fluorescence of poly(30T)-templated copper nanoparticles (CuNPs) can be directly and effectively quenched by pyrophosphate ion (PPi), provid-ing new perspective in designing sensitive biosensors based on DNA-templated CuNPs...
February 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28211947/insulin-like-growth-factor-1-promotes-osteogenic-differentiation-and-collagen-i-alpha-2-synthesis-via-induction-of-mrna-binding-protein-larp6-expression
#5
Yue Guo, Chen-Yi Tang, Xiao-Fei Man, Hao-Neng Tang, Jun Tang, Ci-La Zhou, Shu-Wen Tan, Min Wang, Yun-Zhi Feng, Hou-De Zhou
This study explored the mechanism underlying the stimulation of collagen synthesis and osteoblastic differentiation by insulin-like growth factor 1 (IGF1) in primary mouse osteoblasts. Primary mouse calvarial osteoblasts were cultured and treated with various doses of IGF1 before transfection with siRNA targeting the collagen type I alpha 2 (Col1a2) or La ribonucleoprotein domain family member 6 (Larp6) genes. Alkaline phosphatase (ALP) activity, osteocalcin staining, alizarin red quantification and the expression level of runt-related transcription factor 2 (RUNX2) were performed to assess the differentiation of pre-osteoblasts...
February 17, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28211911/three-dimensional-printing-of-calcium-sulfate-and-mesoporous-bioactive-glass-scaffolds-for-improving-bone-regeneration-in-vitro-and-in-vivo
#6
Xin Qi, Peng Pei, Min Zhu, Xiaoyu Du, Chen Xin, Shichang Zhao, Xiaolin Li, Yufang Zhu
In the clinic, bone defects resulting from infections, trauma, surgical resection and genetic malformations remain a significant challenge. In the field of bone tissue engineering, three-dimensional (3D) scaffolds are promising for the treatment of bone defects. In this study, calcium sulfate hydrate (CSH)/mesoporous bioactive glass (MBG) scaffolds were successfully fabricated using a 3D printing technique, which had a regular and uniform square macroporous structure, high porosity and excellent apatite mineralization ability...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211670/facile-synthesis-of-unique-hexagonal-nanoplates-of-zn-co-hydroxy-sulfate-for-efficient-electrocatalytic-oxygen-evolution-reaction
#7
Soumen Dutta, Chaiti Ray, Yuichi Negishi, Tarasankar Pal
Cost-effective, highly active water oxidation catalysts are becoming increasingly demanding in the field of energy conversion and storage. Herein, simple modified hydrothermally (MHT) synthesized zinc and cobalt based hydroxyl double salt i.e., Zn4-xCoxSO4(OH)6• 0.5 H2O (ZCS) has been exfoliated for the first time as an efficient electrocatalyst for oxygen evolution reaction (OER) in alkaline medium. Morphology investigation suggests the evolution of unique hexagonal nanoplates of ZCS material. As OER catalyst, it requires only 370 and 450 mV overpotential to achieve 10 and 100 mA cm-2 current density respectively...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211495/characterization-of-biocarbon-source-recovery-and-microbial-community-shifts-from-waste-activated-sludge-by-conditioning-with-cornstover-assessment-of-cellulosic-compositions
#8
Kaili Wen, Aijuan Zhou, Jiaguang Zhang, Zhihong Liu, Guoying Wang, Wenzong Liu, Aijie Wang, Xiuping Yue
Most studies on the production of volatile fatty acids (VFAs) from waste activated sludge (WAS) digestion have focused on operating conditions, pretreatments and characteristic adjustments. Conditioning by extra carbon sources (ECS), normally added in a solid form, has been reported to be an efficient approach. However, this has caused considerable waste of monomeric sugars in the hydrolysate. In this study, the effects of two added forms (pretreated straw (S) and hydrolyzed liquid (L)) of cornstover (CS) on WAS acidification were investigated...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211493/25-hydroxyvitamin-d3-induces-osteogenic-differentiation-of-human-mesenchymal-stem-cells
#9
Yan-Ru Lou, Tai Chong Toh, Yee Han Tee, Hanry Yu
25-Hydroxyvitamin D3 [25(OH)D3] has recently been found to be an active hormone. Its biological actions are demonstrated in various cell types. 25(OH)D3 deficiency results in failure in bone formation and skeletal deformation. Here, we investigated the effect of 25(OH)D3 on osteogenic differentiation of human mesenchymal stem cells (hMSCs). We also studied the effect of 1α,25-dihydroxyvitamin D3 [1α,25-(OH)2D3], a metabolite of 25(OH)D3. One of the vitamin D responsive genes, 25(OH)D3-24-hydroxylase (cytochrome P450 family 24 subfamily A member 1) mRNA expression is up-regulated by 25(OH)D3 at 250-500 nM and by 1α,25-(OH)2D3 at 1-10 nM...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211481/effects-of-strength-training-on-osteogenic-differentiation-and-bone-strength-in-aging-female-wistar-rats
#10
Monique Patricio Singulani, Camila Tami Stringhetta-Garcia, Leandro Figueiredo Santos, Samuel Rodrigues Lourenço Morais, Mário Jefferson Quirino Louzada, Sandra Helena Penha Oliveira, Antonio Hernandes Chaves Neto, Rita Cássia Menegati Dornelles
The effects of strength training (ST) on the mechanical bone strength and osteogenic differentiation of bone marrow mesenchymal stromal cells (BMSCs) from adult, aged and exercised aged rats were determined. The exercised aged animals displayed higher values of areal bone mineral density, compression test, alkaline phosphatase activity (ALP) and biological mineralization, while oil red O staining for adipocytes was lower. ST increased gene expression of runt-related transcription factor 2 (Runx2), osterix (Osx) as well as bone matrix protein expression, and reduced expression of peroxisome proliferator-activated receptor gamma (Pparγ)...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211173/methyl-jasmonate-ameliorates-testosterone-propionate-induced-prostatic-hyperplasia-in-castrated-wistar-rats
#11
Olubukola Oyebimpe Akanni, Olusoji John Abiola, Oluwatosin Adekunle Adaramoye
Benign prostate hyperplasia (BPH) is a progressive disease that is related to age. Known therapeutic agents used in the treatment of BPH are associated with toxicity. Therefore, chemoprevention could be an effective approach. We investigated the ameliorative effects of methyl jasmonate (MeJA) in testosterone propionate (TP)-induced BPH in castrated rats. Castration was performed by removing both testes through the scrotum sack under ketamine anesthesia. Rats were assigned into seven groups of seven animals each: non-castrated control, castrated control, castrated rats that received TP, castrated rats that received TP and MeJA, castrated rats that received TP and finasteride, castrated rats that received MeJA, and castrated rats that received finasteride...
February 16, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28210795/observational-comparisons-of-intestinal-microbiota-characterizations-immune-enzyme-activities-and-muscle-amino-acid-compositions-of-loach-in-paddy-fields-and-ponds-in-sichuan-province
#12
Song Yang, Yuanliang Duan, Jie Zhang, Jian Zhou, Ya Liu, Jun Du, Liulan Zhao, Zongjun Du, Shuaishuai Han
A balanced intestinal microbial ecosystem is crucial for the growth and health of animals because it can influence the digestion and absorption of nutrients in the intestine. Different culture conditions may change the ecology of microbial in intestine and thus affect the overall growth performance of an animal. In this study, we compared intestinal morphologies, microbiota characterizations, immune enzyme activities, and muscle amino acid compositions of loach cultured in paddy fields and ponds. The fish were fed with the same diets from May 5 to November 5 (2015) in three paddy or ponds...
February 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28210765/refractory-long-term-cholangitis-after-pancreaticoduodenectomy-a-retrospective-study
#13
Hiroki Ueda, Daisuke Ban, Atsushi Kudo, Takanori Ochiai, Shinji Tanaka, Minoru Tanabe
BACKGROUND: Postoperative cholangitis is one of the major late complications after pancreaticoduodenectomy (PD), and recurrent cholangitis has a negative impact on patients' quality of life. However, detailed reports are scarce. The aim of this study was to investigate the clinical features of postoperative cholangitis after PD. METHODS: Between January 2007 and December 2013, 155 consecutive patients underwent PD. Of these, 113 patients were included in this study...
February 16, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28210732/monodispersed-sub-5-0-nm-ptcu-nanoalloys-as-enhanced-bifunctional-electrocatalysts-for-oxygen-reduction-reaction-and-ethanol-oxidation-reaction
#14
Taiyang Liu, Kai Wang, Qiang Yuan, Zebin Shen, Ye Wang, Qinghong Zhang, Xun Wang
The development of effective electrocatalysts with enhanced activity and stability for both the anode and the cathode reaction in fuel cells still remains a challenge. Here, we report a one-pot route to prepare monodispersed, uniform sub-5.0 nm PtCu alloy polyhedra with a narrow size distribution. These PtCu alloy polyhedra exhibit enhanced electrocatalytic activity for both cathode and anode reactions as compared to the commercial Pt/C catalyst under alkaline conditions. The specific activity and mass activity on Pt68Cu32 nanoalloys are 15 and 2...
February 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28210626/osteogenic-differentiation-capacity-of-in-vitro-cultured-human-skeletal-muscle-for-expedited-bone-tissue-engineering
#15
Chunlei Miao, Lulu Zhou, Lufeng Tian, Yingjie Zhang, Wei Zhang, Fanghong Yang, Tianyi Liu, Shengjian Tang, Fangjun Liu
Expedited bone tissue engineering employs the biological stimuli to harness the intrinsic regenerative potential of skeletal muscle to trigger the reparative process in situ to improve or replace biological functions. When genetically modified with adenovirus mediated BMP2 gene transfer, muscle biopsies from animals have demonstrated success in regenerating bone within rat bony defects. However, it is uncertain whether the human adult skeletal muscle displays an osteogenic potential in vitro when a suitable biological trigger is applied...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210204/physicochemical-properties-of-epoxy-resin-based-and-bioceramic-based-root-canal-sealers
#16
Ju Kyung Lee, Sang Won Kwak, Jung-Hong Ha, WooCheol Lee, Hyeon-Cheol Kim
Three bioceramic sealers (EndoSequence BC sealer, EndoSeal MTA, and MTA Fillapex) and three epoxy resin-based sealers (AH-Plus, AD Seal, and Radic-Sealer) were tested to evaluate the physicochemical properties: flow, final setting time, radiopacity, dimensional stability, and pH change. The one-way ANOVA and Tukey's post hoc test were used to analyze the data (P = 0.05). The MTA Fillapex sealer had a highest flow and the BC Sealer presented a flow significantly lower than the others (P < 0.05). The BC Sealer and MTA Fillapex samples were not set in humid incubator condition even after one month...
2017: Bioinorganic Chemistry and Applications
https://www.readbyqxmd.com/read/28209522/the-role-of-alkaline-phosphatase-in-intracellular-lipid-accumulation-in-the-human-hepatocarcinoma-cell-line-hepg2
#17
George M Chirambo, Chantal van Niekerk, Nigel J Crowther
Inhibition of tissue non-specific alkaline phosphatase (TNALP) decreases intracellular lipid accumulation in human preadipocytes and the murine preadipocyte cell line, 3T3-L1. Therefore, the current study was performed to determine if TNALP is required for intracellular lipid deposition in the human hepatocyte cell line, HepG2. Intracellular lipid accumulation, TNALP activity and peroxisome proliferator activated receptor (PPAR) γ gene expression were measured in HepG2 and 3T3-L1 cells in the presence and absence of the TNALP inhibitors levamisole and histidine...
February 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28209146/heterologous-expression-of-aspergillus-aculeatus-endo-polygalacturonase-in-pichia-pastoris-by-high-cell-density-fermentation-and-its-application-in-textile-scouring
#18
Dede Abdulrachman, Paweena Thongkred, Kanokarn Kocharin, Monthon Nakpathom, Buppha Somboon, Nootsara Narumol, Verawat Champreda, Lily Eurwilaichitr, Antonius Suwanto, Thidarat Nimchua, Duriya Chantasingh
BACKGROUND: Removal of non-cellulosic impurities from cotton fabric, known as scouring, by conventional alkaline treatment causes environmental problems and reduces physical strength of fabrics. In this study, an endo-polygalacturonase (EndoPG) from Aspergillus aculeatus produced in Pichia pastoris was evaluated for its efficiency as a bioscouring agent while most current bioscouring process has been performed using crude pectinase preparation. RESULTS: The recombinant EndoPG exhibited a specific activity of 1892...
February 16, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28209108/acute-temozolomide-induced-liver-injury%C3%A2-mixed-type-hepatocellular-and-cholestatic-toxicity
#19
C Aygun, A Y Altınok, A Çakır, A F Agan, Y Balaban
Temozolomide (TMZ) is an oral imidazotetrazine methylating agent which is used for the treatment of glioblastoma multiforme (GBM). We report a case of acute hepatotoxicity in a 53-year old male patient after administration of TMZ for GBM. He had fatigue, nausea, anorexia and jaundice. His laboratory analysis showed alanine aminotransferase(ALT) : 632 IU/L (normal range 0-40) ; aspartate aminotransferase(AST) : 554 IU/L (normal range 5-34) ; alkaline phosphatase(ALP) : 1143 IU/L (normal range 40-150) ; γ-glutamyl transpeptidase(GGT) : 514 IU/L (normal range 9-64 IU/L) ; total bilirubin : 15...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28209058/rare-sugar-syrup-containing-d-allulose-but-not-high-fructose-corn-syrup-maintains-glucose-tolerance-and-insulin-sensitivity-partly-via-hepatic-glucokinase-translocation-in-wistar-rats
#20
Tomoya Shintani, Takako Yamada, Noriko Hayashi, Tetsuo Iida, Yasuo Nagata, Nobuaki Ozaki, Yukiyasu Toyoda
Ingestion of high fructose corn syrup (HFCS) is associated with the risk of both diabetes and obesity. Rare sugar syrup (RSS) has been developed by alkaline isomerization of HFCS and has anti-obesity and anti-diabetic effects. However, the influence of RSS on glucose metabolism has not been explored. We investigated whether long-term administration of RSS maintains glucose tolerance and whether the underlying mechanism involves hepatic glucokinase translocation. Wistar rats were administered water, RSS, or HFCS in drinking water for 10 weeks, and then evaluated for glucose tolerance, insulin tolerance, liver glycogen content, and subcellular distribution of liver glucokinase...
February 16, 2017: Journal of Agricultural and Food Chemistry
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