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https://www.readbyqxmd.com/read/28445604/investigating-the-effect-of-fibulin-1-on-the-differentiation-of-human-nasal-inferior-turbinate-derived-mesenchymal-stem-cells-into-osteoblasts
#1
Le B Hang Pham, Yie-Ri Yoo, Sun Hwa Park, Sang A Back, Sung Won Kim, Isabel Bjørge, Jun-Hyeog Jang
Many extracellular matrix proteins have positive influences on the adhesion, proliferation and differentiation of stem cells into specific cell linages. Fibulin-1 (FBLN1), a member of a growing family of extracellular glycoproteins, contributes to the structure of the extracellular matrix. Here, we investigated the effect of FBLN1 on the ability of human nasal inferior turbinate-derived mesenchymal stem cells (hTMSCs) to undergo osteogenic differentiation. After we generated recombinant FBLN1, the characteristics of FBLN1-treated hTMSCs were evaluated using MTT assay, ALP and mineralization activities, and quantitative real-time PCR...
April 26, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28445420/vitamin-d-and-calcium-are-required-during-denosumab-treatment-in-osteoporosis-with-rheumatoid-arthritis
#2
Yukio Nakamura, Takako Suzuki, Tomohiko Yoshida, Hideshi Yamazaki, Hiroyuki Kato
The aim of this 12-month retrospective study was to evaluate differences in the outcomes of denosumab alone or denosumab combined with vitamin D and calcium supplementation in patients having osteoporosis (OP) with rheumatoid arthritis (RA). Patients were divided into the denosumab monotherapy group (denosumab group, 22 cases) or denosumab plus vitamin D supplementation group (combination group, 21 cases). We measured serum bone alkaline phosphatase (BAP), N-terminal propeptide of type 1 collagen (P1NP), tartrate-resistant acid phosphatase (TRACP)-5b, and urinary N-terminal telopeptide of type-I collagen (NTX) at baseline, 1 week, and 1, 2, 4, 6, 8, and 12 months...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28445267/different-clinical-presentations-of-choledochal-cyst-among-infants-and-older-children-a-10-year-retrospective-study
#3
Davoud Badebarin, Saeid Aslanabadi, Amir Teimouri-Dereshki, Masoud Jamshidi, Tuba Tarverdizadeh, Kaveh Shad, Kamyar Ghabili, Ghazal Khajir
Choledochal cyst is a rare and often benign congenital cystic dilation throughout the biliary tree. Due to the benign nature of choledochal cyst among early-diagnosed patients, the clinical assumption and diagnosis seem to be of utmost significance. Therefore, we sought to assess different clinical manifestations of choledochal cyst and relevant laboratory findings in infants and older children.Retrospectively, medical records of all patients with the diagnosis of choledochal cyst between 2005 and 2015 were reviewed...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445262/dose-dependence-of-pth-related-peptide-1-on-the-osteogenic-induction-of-mc3t3-e1-cells-in-vitro
#4
Jianping Wang, Jingfeng Li, Liang Yang, Yichi Zhou, Yi Wang
Parathyroid hormone (PTH), an 84-amino acid peptide, is an endocrine hormone that is secreted by parathyroid glands. PTH performs important functions in calcium regulation and bone remodeling. The PTH (1-34) named teriparatide, a 34-amino acid peptide derived from the N-terminus of PTH, conserves most of the functions of PTH, specifically the osteogenic capability. However, teriparatide is only used by injection and exhibits short duration. In addition, this PTH could not thoroughly expose active sites. In this study, a novel PTH-related peptide (designated PTHrP-1) derived from the N-terminus of PTH was added into the complete medium at different concentrations of PTHrP-1 (0, 50, 100, and 200 ng/mL) to induce the MC3T3-E1 cells...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445075/dried-plum-ingestion-increases-the-osteoblastogenic-capacity-of-human-serum
#5
Paulina Delgado Cuenca, Lama Almaiman, Simon Schenk, Mark Kern, Shirin Hooshmand
In cell culture studies, dried plum (Prunus domestica L.) polyphenols increased osteoblast alkaline phosphatase (ALP) activity, mineralized nodule formation, and the expression of the bone marker genes runt-related transcription factor 2 (RUNX2) and osterix. The purpose of this study was to determine whether human serum collected 1 and 2 h after dried plum ingestion influenced osteoblast cell activity and gene expression. Five healthy women ingested 100 g of dried plum, and serum samples were collected at baseline (before dried plum ingestion) and 1 and 2 h postingestion of dried plum...
April 26, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28445028/enhanced-electrocatalytic-activity-of-ethanol-oxidation-reaction-on-palladium-silver-nanoparticles-via-removable-surface-ligands
#6
Hucheng Zhang, Yingying Shang, Jing Zhao, Jianji Wang
This work developed a facile colloidal route to synthesize BH4--capped PdxAgy nanoparticles (NPs) in water using the reducing ionic liquids of [Cnmim]BH4, and the resulting NPs were prone to form the nanocomposites with [amim]+-modified reduced graphene (RG). The removal of the metal-free inorganic ions of BH4- can create the profoundly exposed interfaces on the PdxAgy NPs during the electrooxidation, and favor the ethanol oxidation reaction (EOR) in lowering energy barrier. The counterions of [Cnmim]+ can gather ethanol, OH- ions, and the reaction intermediates on catalysts, and synergistically interact with RG to facilitate the charge transfer in nanocomposites...
April 26, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28444794/protection-of-protein-from-ruminal-degradation-by-alkali-induced-oxidation-of-chlorogenic-acid-in-sunflower-meal
#7
V Bongartz, C Böttger, N Wilhelmy, N Schulze-Kaysers, K-H Südekum, A Schieber
Lactating ruminants require an adequate supply of absorbable amino acids for the synthesis of milk protein from two sources, that is crude protein (CP) synthesized microbially in the rumen and ruminally undegraded CP (RUP) from feed which can both be digested in the small intestine. Several chemical and physical methods have been identified as being effective in increasing the proportion of RUP of total CP of a feedstuff, yet there is a continuing need for developing and establishing methods which protect feed protein from ruminal degradation with acceptable expenditure of labour and other costs...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28444599/study-of-enzymatic-saccharification-of-agave-leaves-biomass-to-yield-fermentable-sugars
#8
Miguel A Medina-Morales, Oscar Soto-Cruz, Juan C Contreras-Esquivel, Raúl Rodríguez-Herrera, Heliodoro De la Garza-Toledo, Cristóbal N Aguilar
Agave is a good source of polysaccharides for the production of fermentable sugars as sustainable bioenergy feedstock solutions for semi-arid and arid lands. This plant grows in arid areas, which correspond to a large territory in northern Mexico. Having lignocellulose as the polysaccharide of interest, the information for the enzymatic saccharification of this kind of material is limited. Agave cell walls have a unique recalcitrant nature, but having a high cellulose content, makes this plant material an interesting research subject...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444591/biotechnological-application-of-sustainable-biogas-production-through-dry-anaerobic-digestion-of-napier-grass
#9
Natthawud Dussadee, Rameshprabu Ramaraj, Tapana Cheunbarn
Napier grass (Pennisetum purpureum), represents an interesting substrate for biogas production. The research project evaluated biogas potential production from dry anaerobic digestion of Napier grass using batch experiment. To enhance the biogas production from ensiled Napier grass, thermal and alkaline pre-treatments were performed in batch mode. Alkali hydrolysis of Napier grass was performed prior to batch dry anaerobic digestion at three different mild concentrations of sodium hydroxide (NaOH). The study results confirmed that NaOH pretreated sample produced high yield of biogas than untreated (raw) and hot water pretreated samples...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444474/compost-and-sulfur-affect-the-mobilization-and-phyto-availability-of-cd-and-ni-to-sorghum-and-barnyard-grass-in-a-spiked-fluvial-soil
#10
Sabry M Shaheen, Ali A Balbaa, Alaa M Khatab, Jörg Rinklebe
Soil reclamation via additives can cause contradictory effects on the mobilization of toxic elements in soils under dry and wet conditions. Therefore, our aim was to investigate the impact of compost and sulfur in two rates (1.25 and 2.5%) on fractionation, mobilization, and phyto-availability of cadmium (Cd) and nickel (Ni) to sorghum (dry soil) and barnyard grass (wet soil) in a fluvial soil spiked with 25 mg Cd or 200 mg Ni/kg soil. Compost decreased the solubility and mobilization of Cd (especially in dry soil) and Ni (in both soils)...
April 25, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28444222/feronia-receptor-kinase-at-the-crossroad-of-hormone-signaling-and-stress-responses
#11
Hongdong Liao, Renjie Tang, Xin Zhang, Sheng Luan, Feng Yu
Plant receptor-like kinases (RLKs) are involved in nearly all aspects of plant life including growth, development and stress response. Recent studies show that FERONIA (FER), a CrRLK1L subfamily member, is a versatile regulator of cell expansion and serves as a signaling node mediating crosstalks among multiple phytohormones. As a receptor for the RALF (Rapid Alkalinization Factor) peptide ligand, FER triggers a downstream signaling cascade that leads to a rapid cytoplasmic calcium increase and inhibition of cell elongation in plants...
April 19, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28443361/the-effect-of-alkali-on-the-product-distribution-from-black-liquor-conversion-under-supercritical-water
#12
Y Hawangchu, D Atong, V Sricharoenchaikul
Lignin in chemical pulping waste, or black liquor (BL), can be converted into various products via supercritical water gasification (SCWG). However, the inherited alkaline contents from the pulping chemicals may affect the product yields and properties. In this research, the influence of the residual alkali on the product distribution via SCWG of soda BL and kraft BL was evaluated. The SCWG was performed in a batch quartz reactor for 10 min at various temperatures (673, 773 and 873 K) and pressures (250, 300 and 400 bar)...
April 26, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28442927/mechanical-factors-and-vitamin-d-deficiency-in-schoolchildren-with-low-back-pain-biochemical-and-cross-sectional-survey-analysis
#13
Ahmad H Alghadir, Sami A Gabr, Einas S Al-Eisa
OBJECTIVE: This study was designed to evaluate the role of vitamin D, muscle fatigue biomarkers, and mechanical factors in the progression of low back pain (LBP) in schoolchildren. BACKGROUND: Children and adolescents frequently suffer from LBP with no clear clinical causes, and >71% of schoolchildren aged 12-17 years will show at least one episode of LBP. MATERIALS AND METHODS: A total of 250 schoolchildren aged 12-16 years were randomly enrolled in this study...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28442663/histochemical-assessment-for-osteoblastic-activity-coupled-with-dysfunctional-osteoclasts-in-c-src-deficient-mice
#14
Hisashi Toray, Tomoka Hasegawa, Naoko Sakagami, Erika Tsuchiya, Ai Kudo, Shen Zhao, Yasuhito Moritani, Miki Abe, Taiji Yoshida, Tomomaya Yamamoto, Tsuneyuki Yamamoto, Kimimitsu Oda, Nobuyuki Udagawa, Paulo Henrique Luiz de Freitas, Minqi Li
Since osteoblastic activities are believed to be coupled with osteoclasts, we have attempted to histologically verify which of the distinct cellular circumstances, the presence of osteoclasts themselves or bone resorption by osteoclasts, is essential for coupled osteoblastic activity, by examining c-fos(-/-) or c-src(-/-) mice. Osteopetrotic c-fos deficient (c-fos(-/-)) mice have no osteoclasts, while c-src deficient (c-src(-/-)) mice, another osteopetrotic model, develop dysfunctional osteoclasts due to a lack of ruffled borders...
2017: Biomedical Research
https://www.readbyqxmd.com/read/28441338/effects-of-3d-printed-polycaprolactone-%C3%AE-tricalcium-phosphate-membranes-on-guided-bone-regeneration
#15
Jin-Hyung Shim, Joo-Yun Won, Jung-Hyung Park, Ji-Hyeon Bae, Geunseon Ahn, Chang-Hwan Kim, Dong-Hyuk Lim, Dong-Woo Cho, Won-Soo Yun, Eun-Bin Bae, Chang-Mo Jeong, Jung-Bo Huh
This study was conducted to compare 3D-printed polycaprolactone (PCL) and polycaprolactone/β-tricalcium phosphate (PCL/β-TCP) membranes with a conventional commercial collagen membrane in terms of their abilities to facilitate guided bone regeneration (GBR). Fabricated membranes were tested for dry and wet mechanical properties. Fibroblasts and preosteoblasts were seeded into the membranes and rates and patterns of proliferation were analyzed using a kit-8 assay and by scanning electron microscopy. Osteogenic differentiation was verified by alizarin red S and alkaline phosphatase (ALP) staining...
April 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28440884/radical-arylation-of-anilines-and-pyrroles-via-aryldiazotates
#16
Josefa Hofmann, Eva Gans, Timothy Clark, Markus Rolf Heinrich
The radical arylation of anilines and pyrroles can be achieved under transition metal- and catalyst-free conditions using aryldiazotates in strongly alkaline aqueous solutions. The aryl diazotates act as protected diazonium ions, which do not undergo azo coupling with electron-rich aromatic substrates, but are still able to serve as sources for aryl radicals at slightly elevated temperatures. Based on an improved preparation of aryldiazotates in aqueous solution, homolytic aromatic substitutions of anilines and pyrroles can now be conducted with good overall yields and with high regio-selectivity...
April 25, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28440818/corrigendum-an-association-between-time-varying-serum-alkaline-phosphatase-concentrations-and-mortality-rate-in-patients-undergoing-peritoneal-dialysis-a-five-year-cohort-study
#17
Ying Liu, Jin-Gang Zhu, Ben-Chung Cheng, Shang-Chih Liao, Chih-Hsiung Lee, Wen Xiu Chang, Jin-Bor Chen
No abstract text is available yet for this article.
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440742/leptin-overexpression-in-bone-marrow-stromal-cells-promotes-periodontal-regeneration-in-a-rat-model-of-osteoporosis
#18
Baoyu Zheng, Jun Jiang, Yuling Chen, Minkui Lin, Zhibin Du, Yin Xiao, Kai Luo, Fuhua Yan
BACKGROUND: Osteoporosis (OP) is associated with widespread periodontitis and impaired periodontal healing. However, there is a lack of information about the outcomes of regenerative approaches under the influence of OP. This study investigated the effect of leptin (LEP) overexpression on the regenerative potential of bone marrow stromal cells (BMSCs) in an osteoporotic rat periodontal fenestration defect model. METHODS: Rat BMSCs were transfected with adenoviruses harboring the human (h) LEP gene...
April 25, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28440703/zeta-potential-changing-nanoparticles-conjugated-with-cell-penetrating-peptides-for-enhanced-transfection-efficiency
#19
Wongsakorn Suchaoin, Arshad Mahmood, Kesinee Netsomboon, Andreas Bernkop-Schnürch
AIM: The aim of this study was to develop zeta-potential-changing nanoparticles (NPs) combining cell-penetrating peptides for gene delivery. METHODS & MATERIALS: NPs were formed using phosphorylated carboxymethyl cellulose-glucosamine 6-phosphate (CMC-G6P) and polyethylene imine-polyarginine conjugates. Phosphate release was evaluated using intestinal alkaline phosphatase and cell lines. Transfection studies with plasmid DNA were then performed. RESULTS: The zeta potential of CMC-G6P/branched PEI NPs was -3 mV and switched to +4 mV after intestinal alkaline phosphatase cleavage...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440500/indirect-effects-of-x-irradiation-on-proliferation-and-osteogenic-potential-of-bone-marrow-mesenchymal-stem-cells-in-a-local-irradiated-rat-model
#20
Ruilian Sun, Guoying Zhu, Jianping Wang, Ling Tong, Jianglong Zhai
Cancer survivors after radiotherapy may suffer a variety of bone‑related adverse side effects, including radioactive osteoporosis and fractures. Localized irradiation is a common treatment modality for malignancies. Recently, a series of reactions and injuries called indirect effects (remote changes in bone when other parts of the body are irradiated) have been reported on the indirect irradiated area of bone tissue after radiotherapy. To address this issue, we developed a rat localized irradiation model...
April 12, 2017: Molecular Medicine Reports
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