keyword
MENU ▼
Read by QxMD icon Read
search

pulp

keyword
https://www.readbyqxmd.com/read/29458214/effect-of-tetrahedral-dna-nanostructures-on-proliferation-and-osteo-odontogenic-differentiation-of-dental-pulp-stem-cells-via-activation-of-the-notch-signaling-pathway
#1
Mi Zhou, Nan-Xin Liu, Si-Rong Shi, Yong Li, Qi Zhang, Quan-Quan Ma, Tao-Ran Tian, Wen-Juan Ma, Xiao-Xiao Cai, Yun-Feng Lin
Dental pulp stem cells (DPSCs) derived from the human dental pulp tissue have multiple differentiation capabilities, such as osteo/odontogenic differentiation. Therefore, DPSCs are deemed as ideal stem cell sources for tissue regeneration. As new nanomaterials based on DNA, tetrahedral DNA nanostructures (TDNs) have tremendous potential for biomedical applications. Here, the authors aimed to explore the part played by TDNs in proliferation and osteo/odontogenic differentiation of DPSCs, and attempted to investigate if these cellular responses could be driven by activating the canonical Notch signaling pathway...
February 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29458136/changes-in-anatomic-position-of-root-canal-orifices-in-pluriradicular-teeth-following-re-location-during-endodontic-treatment
#2
Darian Rusu, Petra Surlin, Stratul Stefan-Ioan, Marius Boariu, Calniceanu Horia, Adrian Kasaj, Cosmin Sinescu, Didilescu Andreea
Direct access to the root canals in posterior teeth for endodontic treatment is most frequently facilitated by the straightening of the coronal parts of the root canals, having as a consequence the relocation of the canal orifices on the map of the floor of the pulp chamber (Christie & Thompson, 1994). This procedure intentionally moves the coronal aspect of a canal away from the center of the chamber, while simultaneously removing internal dentin from the pulp chamber walls. The aim of this study was to evaluate the displacement resulting from the relocation of root canal orifices during the initial phase of rotary root canal treatment in molars using the dental operating microscope (DOM) and digital image processing...
February 16, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29457125/enhanced-differentiation-of-dental-pulp-cells-cultured-on-microtubular-polymer-scaffolds-in-vitro
#3
Morteza Haeri, Karen Sagomonyants, Mina Mina, Liisa T Kuhn, A Jon Goldberg
Dental caries (tooth decay) is the most common chronic disease. Dental tissue engineering is a promising alternative approach to alleviate the shortcomings of the currently available restorative materials. Mimicking the natural extracellular matrix (ECM) could enhance the performance of tissue engineering scaffolds. In this study, we developed microtubular (~20 μm diameter) polymethyl methacrylate (PMMA) scaffolds resembling the tubular (~2.5 μm diameter) structure of dentin, the collagen-based mineralized tissue that forms the major portion of teeth, to study the effect of scaffold architecture on differentiation of mouse dental pulp cells in vitro ...
June 2017: Regenerative Engineering and Translational Medicine
https://www.readbyqxmd.com/read/29456771/pulpal-and-periodontal-tissues-changes-associated-with-le-fort-i-and-sagittal-split-ramus-osteotomies-a-review
#4
REVIEW
Konstantinos Lazaridis, Maria Lazaridou, Athanasios E Athanasiou
Introduction: Le Fort I and sagittal split ramus osteotomies are the most commonly performed orthognathic surgery procedures on the maxilla and mandible, respectively. Techniques: Despite progress in the techniques, these procedures may still be associated with morbidity, expressed as inflammation, inadequate bony union, periodontal damages or in extreme cases even total bone loss. Discussion: Through a comprehensive review of the literature, the influences of maxillary and mandibular surgery on Pulpal Blood Flow (PBF), pulp sensitivity and pulp vitality are examined...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29456011/effect-of-retention-rate-of-fluorescent-cellulose-nanofibrils-on-paper-properties-and-structure
#5
Qijun Ding, Jinsong Zeng, Bin Wang, Wenhua Gao, Kefu Chen, Zhe Yuan, Jun Xu, Darong Tang
In this work, we report a new characterization method using fluorescent cellulose nanofibrils to analyze retention and loss rates in the papermaking process. Cellulose nanofibrils (CNF) were isolated from chemical pulp by enzymatic pretreatment and used as a strengthening additive in sheet forming. The aim of this paper was to investigate its effects on flocculation, retention and loss rate and the physical and mechanical properties. CNF was subjected to fluorescent labeling with RBITC (Rhodamine B isothiocyanate), and the retention of fluorescent cellulose nanofibrils (FCNF) was analyzed by elemental analysis and fluorescence intensity...
April 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29456004/the-effect-of-oxyalkylation-and-application-of-polymer-dispersions-on-the-thermoformability-and-extensibility-of-paper
#6
Jarmo Kouko, Harri Setälä, Atsushi Tanaka, Alexey Khakalo, Jarmo Ropponen, Elias Retulainen
Wood fiber-based packaging materials, as renewable materials, have growing market potential due to their sustainability. A new breakthrough in cellulose-based packaging requires some improvement in the mechanical properties of paper. Bleached softwood kraft pulp was mechanically treated, in two stages, using high- and low-consistency refining, sequentially. Chemical treatment of pulp using the oxyalkylation method was applied to modify a portion of fiber material, especially the fiber surface, and its compatibility with polymer dispersions including one carbohydrate polymer...
April 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29455998/cationic-xylan-2-methacryloyloxyethyl-trimethyl-ammonium-chloride-polymer-as-a-flocculant-for-pulping-wastewater
#7
Xiaoqian Chen, Chuanling Si, Pedram Fatehi
In this work, pulp mill wastewater was treated with a novel polymer flocculant, which was synthesized through polymerizing (2-methacryloyloxyethyl) trimethyl ammonium chloride (DMC) and xylan. Xylan-DMC polymer removed 94.5% of turbidity, 61.7% of chemical oxygen demand (COD), 45.0% of lignin, 65.7% of sugar and 73.5% of biological oxygen demand (BOD) from the wastewater at the polymer concentration of 500 mg/L. The flocculation mechanism was fundamentally assessed with determining hydrodynamic size and chord length of flocs in the wastewater at different dosages of xylan-DMC polymer in the system...
April 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29454963/adenosine-receptors-enhance-the-atp-induced-odontoblastic-differentiation-of-human-dental-pulp-cells
#8
Xiaosong Yi, Wei Wang, Qiufei Xie
Purinergic signaling regulates various biological processes through the activation of adenosine receptors (ARs) and P2 receptors. ATP induces the odontoblastic differentiation of human dental pulp cells (HDPCs) via P2 receptors. However, there is no information available about the roles of ARs in HDPC odontoblastic differentiation induced by ATP. Here, we found that HDPCs treated with ATP showed higher activity of ADORA1 (A1 R), ADORA2B (A2B R), and ADORA3 (A3 R). Inhibition of A1 R and A2B R attenuated ATP-induced odontoblastic differentiation of HDPCs, whereas activation of the two receptors enhanced the odontoblastic differentiation induced by ATP...
February 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29454942/cloning-molecular-modeling-and-characterization-of-acidic-cellulase-from-buffalo-rumen-and-its-applicability-in-saccharification-of-lignocellulosic-biomass
#9
Tripti Dadheech, Ravi Shah, Ramesh Pandit, Ankit Hinsu, Prakram Singh Chauhan, Subhash Jakhesara, Anju Kunjadiya, Dharamshibhai Rank, Chaitanya Joshi
Cellulase hydrolyses the cellulose by cleaving the β-1,4-linkages to produce mono-, oligo- and shorter polysaccharide units. These enzymes have applications in various industries such as pulp and paper, laundry, food and feed, textile, brewing industry and in biofuel production. In the present study we have cloned acid-cellulase gene (Cel-1) from the fosmid library of buffalo rumen metagenomic DNA and functionally expressed it in Escherichia coli. The ORF encoding cellulase consisted of 1176-bp, corresponding to protein of 391 amino acid and has catalytic domain belonging to glycosyl hydrolase family 5...
February 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29454698/udder-health-of-dairy-cows-fed-different-dietary-energy-levels-after-a-short-or-no-dry-period-without-use-of-dry-cow-antibiotics
#10
R J van Hoeij, T J G M Lam, R M Bruckmaier, J Dijkstra, G J Remmelink, B Kemp, A T M van Knegsel
Reports on the effects of length of dry period (DP) on udder health of cows that were not treated with dry cow antibiotics are scarce. Additionally, the effects of a reduced dietary energy level for cows with a 0-d DP on udder health have not yet been studied. The aims of this study were (1) to compare effects of a 0-d or 30-d DP without use of dry cow antibiotics on udder health across the DP and subsequent lactation in dairy cows fed different dietary energy levels and (2) to evaluate associations between udder health and metabolic status of dairy cows...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29453987/the-role-of-foxq1-in-proliferation-of-human-dental-pulp-stem-cell
#11
Shaoqin Tu, Junming Zheng, Xin Gao, Chenyu Guan, Bin Cai, Lusai Xiang
This study aimed to investigate the role for Foxq1 in proliferation activity regulation of dental pulp stem cells (DPSCs). Proliferation of DPSC was induced by calcium hydroxide, then expression alteration of Foxq1 was evaluated. Lentivirus was employed to manipulate Foxq1 level in DPSC, and proliferation activities were evaluated. To look into mechanism regulating Foxq1 level after calcium hydroxide stimulation, expressions of various microRNAs were evaluated, then bioinformatics study and dual-luciferase study were carried out to confirm targeting relationship between microRNA and Foxq1...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453372/enzyme-mediated-nanofibrillation-of-cellulose-by-the-synergistic-actions-of-an-endoglucanase-lytic-polysaccharide-monooxygenase-lpmo-and-xylanase
#12
Jinguang Hu, Dong Tian, Scott Renneckar, Jack N Saddler
Physiochemical methods have generally been used to "open-up" biomass substrates/pulps and have been the main method used to fibrillate cellulose. However, recent work has shown that canonical cellulase enzymes such as endoglucanases, in combination with "amorphogenesis inducing" proteins such as lytic polysaccharide monooxygenases (LPMO), swollenin and hemicellulases, are able to increase cellulose accessibility. In the work reported here different combinations of endoglucanase, LPMO and xylanase were applied to Kraft pulps to assess their potential to induce fibrillation at low enzyme loading over a short time period...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29452716/dental-pulp-status-of-posterior-teeth-in-patients-with-oral-and-oropharyngeal-cancer-treated-with-radiotherapy-1-year-follow-up
#13
Nishtha Gupta, Mandeep S Grewal, Munish Gairola, Stutee Grewal, Parveen Ahlawat
INTRODUCTION: Teeth may react negatively to pulp sensitivity testing in patients who have undergone radiotherapy. The aim of the current investigation was to evaluate the pulp sensibility of posterior teeth at 4, 6, and 12 months in patients who have undergone radiotherapy for oral and oropharyngeal malignancies. METHODS: Seventy-nine patients diagnosed with malignant oral and oropharyngeal cancer undergoing radiotherapy underwent cold thermal pulp sensitivity testing and electric pulp testing of 4 teeth, 1 from each quadrant...
February 13, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29452287/dental-pulp-stem-cell-derived-chondrogenic-cells-demonstrate-differential-cell-motility-in-type-i-and-type-ii-collagen-hydrogels
#14
Li Yao, Nikol Flynn
BACKGROUND CONTEXT: Advances in the development of biomaterials and stem cell therapy provide a promising approach to regenerating degenerated discs. The normal nucleus pulposus (NP) cells exhibit the similar phenotype as chondrocytes. Because dental pulp stem cells (DPSCs) can be differentiated into chondrogenic cells, the DPSCs and DPSCs-derived chondrogenic cells encapsulated in type I and type II collagen hydrogels can potentially be transplanted into degenerated nucleus pulposus (NP) to repair damaged tissue...
February 13, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29451421/bionanocomposite-scaffolds-based-on-chitosan-gelatin-and-nanodimensional-bioactive-glass-particles-in-vitro-properties-and-in-vivo-bone-regeneration
#15
Cristian Covarrubias, Monserrat Cádiz, Miguel Maureira, Isabel Celhay, Felipe Cuadra, Alfredo von Marttens
Bone repair bionanocomposite scaffolds were produced by incorporating dense bioactive glass nanoparticles or mesoporous bioactive glass nanospheres into a chitosan-gelatin polymer blend. The in vitro bioactivity of the scaffolds was assessed in simulated body fluid, and cell viability and osteogenic differentiation assays were performed with dental pulp stem cells. Bone regeneration properties of the scaffold materials were in vivo assessed by using a critical-sized femoral defect model in rat. The scaffold nanocomposites showed excellent cytocompatibility and ability to accelerate the crystallization of bone-like apatite in vitro...
January 1, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29449086/progress-in-the-use-of-dental-pulp-stem-cells-in-regenerative-medicine
#16
REVIEW
Eduardo Anitua, María Troya, Mar Zalduendo
The field of tissue engineering is emerging as a multidisciplinary area with promising potential for regenerating new tissues and organs. This approach requires the involvement of three essential components: stem cells, scaffolds and growth factors. To date, dental pulp stem cells have received special attention because they represent a readily accessible source of stem cells. Their high plasticity and multipotential capacity to differentiate into a large array of tissues can be explained by its neural crest origin, which supports applications beyond the scope of oral tissues...
February 12, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29448913/-express-role-of-medullary-astroglial-glutamine-synthesis-in-tooth-pulp-hypersensitivity-associated-with-frequent-masseter-muscle-contraction
#17
Tetsuro Watase, Kohei Shimizu, Kinuyo Ohara, Hiroki Komiya, Kohei Kanno, Keisuke Hatori, Noboru Noma, Kuniya Honda, Yoshiyuki Tsuboi, Ayano Katagiri, Masamichi Shinoda, Bunnai Ogiso, Koichi Iwata
No abstract text is available yet for this article.
January 1, 2018: Molecular Pain
https://www.readbyqxmd.com/read/29448842/knockdown-of-nrage-induces-odontogenic-differentiation-by-activating-nf-%C3%AE%C2%BAb-signaling-in-mouse-odontoblast-like-cells
#18
Qi Wu, Jing Li, Pingping Song, Jing Chen, Yuanzhi Xu, Shengcai Qi, Ji Ma, Qiuhui Pan
PURPOSE: Neurotrophin receptor-interacting MAGE homologue (Nrage) plays an important role in bone development and the metabolism of normal skeletal structures. Our previous study showed that Nrage inhibited the odontogenic differentiation of mouse dental pulp cells. However, the potential roles and mechanism of Nrage in regulating odontogenic differentiation are unknown. The aim of this study was to investigate the molecular mechanism of Nrage in odontogenic differentiation of mouse odontoblast-like cells...
February 15, 2018: Connective Tissue Research
https://www.readbyqxmd.com/read/29448019/recovery-of-black-necked-swans-macrophytes-and-water-quality-in-a-ramsar-wetland-of-southern-chile-assessing-resilience-following-sudden-anthropogenic-disturbances
#19
Eduardo Jaramillo, Nelson A Lagos, Fabio A Labra, Enrique Paredes, Emilio Acuña, Daniel Melnick, Mario Manzano, Carlos Velásquez, Cristian Duarte
In 2004 migration and mortality for unknown reasons of the herbivorous Black necked swan (Cygnus melancorhyphus (Molina, 1782)) occurred within the Río Cruces wetland (southern Chile), a Ramsar Site and nature sanctuary. Before 2004, this wetland hosted the largest breeding population of this water bird in the Neotropic Realm. The concurrent decrease in the spatial occurrence of the aquatic plant Egeria densa Planch. 1849 - the main food source of swans - was proposed as a cause for swan migration and mortality...
February 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29445893/nestin-expression-is-differently-regulated-between-odontoblasts-and-the-subodontoblastic-layer-in-mice
#20
Mitsushiro Nakatomi, Angela Quispe-Salcedo, Masaka Sakaguchi, Hiroko Ida-Yonemochi, Hideyuki Okano, Hayato Ohshima
The Nestin gene encodes type VI intermediate filament and is known to be expressed in undifferentiated cells during neurogenesis and myogenesis. To regulate Nestin expression, the first or second intron enhancer is activated in a tissue-dependent manner, for example, the former in mesodermal cells and the latter in neural stem cells. Although Nestin has also been used as a differentiation marker for odontoblasts during tooth development, how Nestin expression is regulated in odontoblasts remains unclear. Therefore, this study aimed to compare the expression patterns of Nestin-GFP (green fluorescent protein) with that of endogenous Nestin in developing teeth of Nestin-EGFP (enhanced GFP) transgenic mice, in which the second intron enhancer is connected with the EGFP domain, at postnatal 7d, 3w, and 8w...
February 14, 2018: Histochemistry and Cell Biology
keyword
keyword
71854
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"