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https://www.readbyqxmd.com/read/29132068/secretoneurin-and-pe-11-immunoreactivity-in-the-human-dental-pulp
#1
René Steiner, Reiner Fischer-Colbrie, Athanasia Bletsa, Johannes Laimer, Josef Troger
OBJECTIVE: To explore whether there are differences in the concentration of the secretogranin II-derived peptide secretoneurin and the chromogranin B-derived peptide PE-11 between the healthy and inflamed human dental pulps. Furthermore, colocalization studies with calcitonin gene-related peptide were performed to confirm the sensory origin of the peptidergic nerves in the dental pulp. DESIGN: The concentrations of secretoneurin and PE-11 were determined by highly sensitive radioimmunoassays in extracts of dental pulps, the molecular form of secretoneurin immunoreactivities by RP-HPLC with subsequent radioimmunoassay and colocalization studies with calcitonin gene-related peptide were performed by double immunofluorescence...
November 9, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29131694/role-of-neuron-glial-interaction-mediated-by-il-1%C3%AE-in-ectopic-tooth-pain
#2
H Komiya, K Shimizu, N Noma, Y Tsuboi, K Honda, K Kanno, K Ohara, M Shinoda, B Ogiso, K Iwata
Although many reports have demonstrated that ectopic pain develops in the orofacial region following tooth pulp inflammation, which often causes misdiagnosis and inappropriate treatment for patients with pulpitis, the precise mechanism remains unknown. In the present study, we hypothesized that the functional interaction between satellite glial cells and neurons mediated by interleukin 1β (IL-1β) in the trigeminal ganglion (TG) is involved in ectopic orofacial pain associated with tooth pulp inflammation...
November 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29081820/antihypercholesterolemic-effects-of-fruit-aqueous-extract-of-copernicia-prunifera-miller-h-e-moore-in-mice-diet-induced-hypercholesterolemia
#3
Raquel Teixeira Terceiro Paim, Stephen Rathinaraj Benjamin, Davide Rondina, Márcia Maria Mendes Marques, Daniel de Araújo Viana, Maria Leônia da Costa Gonzaga, Ícaro Gusmão Pinto Vieira, Francisca Noélia Pereira Mendes, Paula Alves Salmito Rodrigues, Maria Izabel Florindo Guedes
The present objective of the investigation is to evaluate the antihypercholesterolemic activity of the aqueous fruit pulp extract (APE) of Copernicia prunifera (Miller) H. E. Moore (Arecaceae family). Various chemical characterization methods like thin layer chromatography, Fourier transform infrared spectroscopy, (1)H and (13)C NMR, and molecular weight by gel permeation chromatography have been employed to characterize the extracted pectin. The present study demonstrated that hypercholesterolemic diet (HD) created hypercholesterolemia, caused significant increases in body weight, total cholesterol, and low-density lipoprotein, and caused decreases in high-density lipoprotein in serum compared with SD group...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29079059/differential-expression-of-long-noncoding-rnas-in-normal-and-inflamed-human-dental-pulp
#4
Xin Huang, Ke Chen
INTRODUCTION: Dental pulp inflammation is an excellent model for the interaction between tissue inflammation and regenerative processes. It is worthwhile to better understand molecular signaling of repair and regeneration in inflammatory processes. Emerging evidence suggests that long noncoding RNA (lncRNA) participates in immune system inflammatory processes. Here we investigate the expression of lncRNAs in pulpitis, the inflammation of dental pulp tissue, and identify lncRNAs that possibly participate in inflammation responses and odontogenesis...
October 24, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29079049/evaluation-of-the-periodontal-disease-effect-on%C3%A2-pulp-volume
#5
Arslan Terlemez, Raif Alan, Onur Gezgin
INTRODUCTION: The success of periodontal and endodontic treatments depends on the total recovery from both conditions regardless of their occurrence as independent or combined lesions. There is strong presumptive evidence that teeth with periodontal disease may cause pulpal inflammation and degeneration. Therefore, the goal of this study was to establish a correlation between periodontitis and pulp volume. METHODS: Thirty-four dental images from 17 patients obtained by cone-beam computed tomography were analyzed by medical software to create three-dimensional images...
October 24, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29069143/factors-affecting-the-periapical-healing-process-of-endodontically-treated-teeth
#6
Roberto Holland, João Eduardo Gomes, Luciano Tavares Angelo Cintra, Índia Olinta de Azevedo Queiroz, Carlos Estrela
Tissue repair is an essential process that reestablishes tissue integrity and regular function. Nevertheless, different therapeutic factors and clinical conditions may interfere in this process of periapical healing. This review aims to discuss the important therapeutic factors associated with the clinical protocol used during root canal treatment and to highlight the systemic conditions associated with the periapical healing process of endodontically treated teeth. The antibacterial strategies indicated in the conventional treatment of an inflamed and infected pulp and the modulation of the host's immune response may assist in tissue repair, if wound healing has been hindered by infection...
September 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29041775/lychee-litchi-chinensis-sonn-pulp-phenolic-extract-provides-protection-against-alcoholic-liver-injury-in-mice-by-alleviating-intestinal-microbiota-dysbiosis-intestinal-barrier-dysfunction-and-liver-inflammation
#7
Juan Xiao, Ruifen Zhang, Qiuyun Zhou, Lei Liu, Fei Huang, Yuanyuan Deng, Yongxuan Ma, Zhencheng Wei, Xiaojun Tang, Mingwei Zhang
Liver injury is the most common consequence of alcohol abuse, which is promoted by the inflammatory response triggered by gut-derived endotoxins produced as a consequence of intestinal microbiota dysbiosis and barrier dysfunction. The aim of this study was to investigate whether modulation of intestinal microbiota and barrier function, and liver inflammation contributes to the hepatoprotective effect of lychee pulp phenolic extract (LPPE) in alcohol-fed mice. Mice were treated with an ethanol-containing liquid diet alone or in combination with LPPE for 8 weeks...
October 27, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29032813/light-cured-tricalcium-silicate-toxicity-to-the-dental-pulp
#8
Charlotte Jeanneau, Patrick Laurent, Charlotte Rombouts, Thomas Giraud, Imad About
INTRODUCTION: Numerous studies reported dentin bridge formation after pulp capping with tricalcium silicates. By contrast, pulp capping with resins leads to pulp toxicity and inflammation. Hybrid materials made up of tricalcium silicates and resins have also been developed to be used in direct pulp capping. This work was designed to study the consequences of adding resins to tricalcium silicates by investigating TheraCal (BISCO, Lançon De Provence, France) and Biodentine (Septodont, Saint Maur des Fosses, France) interactions with the dental pulp...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29028630/ezh2-regulates-dental-pulp-inflammation-by-direct-effect-on-inflammatory-factors
#9
Tianqian Hui, Peng A, Yuan Zhao, Jing Yang, Ling Ye, Chenglin Wang
OBJECTIVE: Pulpitis is a multi-factorial disease that could be caused by complex interactions between genetics, epigenetics and environmental factors. We aimed to evaluate the role of Enhancer of Zeste Homolog 2 (EZH2) in the inflammatory response of human dental pulp cells (HDPCs) and dental pulp tissues. METHODS: The expressions of inflammatory cytokines in HDPCs treated by EZH2 complex or EZH2 siRNA with or without rhTNF-α were examined by quantitative real-time polymerase chain reaction (q-PCR)...
October 7, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28983188/mango-supplementation-has-no-effects-on-inflammatory-mediators-in-obese-adults
#10
Shirley F Evans, Maureen Beebe, Maryam Mahmood, Sawanya Janthachotikun, Heba Eldoumi, Sandra Peterson, Mark Payton, Penelope Perkins-Veazie, Brenda J Smith, Edralin A Lucas
This pilot study examined the effects of freeze-dried mango (Mangifera indica L.) supplementation on anthropometric measurements, lipid parameters, and inflammatory mediators in obese individuals. A total of 20 obese (body mass index [BMI]: 30-35 kg/m(2)) adults (11 men and 9 women), aged 20 to 50 years, received 10 g/d of ground freeze-dried mango pulp for 12 weeks. Anthropometrics, lipids, and inflammatory mediators were assessed at baseline and after 12 weeks of mango supplementation. There were no differences between baseline and final visits in inflammatory mediators, lipids, diet, physical activity, and anthropometrics...
2017: Nutrition and Metabolic Insights
https://www.readbyqxmd.com/read/28951318/rapidly-progressive-course-of-trypanosoma-cruzi-infection-in-mice-heterozygous-for-hexamethylene-bis-acetamide-inducible-1-hexim1-gene
#11
Eduardo Mascareno, Raavi Gupta, Laura A Martello, Manya Dhar-Mascareno, Louis Salciccioli, Daniel Beckles, Michael G Walsh, Fabiana S Machado, Herbert B Tanowitz, M A Haseeb
Infection with Trypanosoma cruzi causes Chagas disease and results in myocardial inflammation and cardiomyopathy. Downregulated Hexim1 expression, as in Hexim1(+/-) mice, reduces cardiac inflammation and fibrosis following ischemic stress. We asked whether reduced expression of Hexim1 would also afford protection against T. cruzi-induced cardiomyopathy. C57BL/6J (wild type - WT) and Hexim1(+/-) mice were infected with sub-lethal doses of T. cruzi (Brazil strain), and cardiac function, serologic markers of inflammation and tissue pathology were examined...
September 22, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/28914245/a-comparative-evaluation-of-clinical-and-radiographic-success-rate-of-pulpotomy-in-primary-molars-using-antioxidant-mix-and-mineral-trioxide-aggregate-an-in-vivo-1-year-follow-up-study
#12
Sommyta Kathal, Shilpi Gupta, Deepak P Bhayya, Ashish Rao, Amrita Pal Roy, Anubhuti Sabhlok
INTRODUCTION: Pulpotomy technique is most widely accepted clinical procedure for treating primary teeth with coronal pulp inflammation caused by caries with no involvement of the radicular pulp. AIM AND OBJECTIVE: The aim of the study was to evaluate the success and efficacy of mineral trioxide aggregate (MTA) and antioxidant mix as pulpotomy agents both clinically and radiographically. MATERIALS AND METHODS: A total of forty primary molars in children aged between 6 and 9 years, requiring for pulpotomy procedures, were selected...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28898790/cytotoxicity-and-potential-anti-inflammatory-activity-of-velutin-on-raw-264-7-cell-line-differentiation-implications-in-periodontal-bone-loss
#13
Carlos Brito, Alexander Stavroullakis, Tatiane Oliveira, Anuradha Prakki
OBJECTIVES: Hypoxia-inducible factor-1α (HIF-1α) has been implicated in periodontal tissue inflammation and possibly in osteoclast differentiation, while polyphenols are known to be anti-inflammatory natural compounds that are capable of regulating the NF-κB protein complex pathway. The objective of this study was to investigate cytotoxicity and HIF-1α expression through the NF-κB pathway by polyphenol velutin (Euterpe oleracea Mart.), found in the pulp of acai fruit, during inflammatory RAW 264...
September 2, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28898431/anti-inflammatory-and-anti-oxidant-properties-of-schisandrin-c-promote-mitochondrial-biogenesis-in-human-dental-pulp-cells
#14
J S Takanche, Y-H Lee, J-S Kim, J-E Kim, S-H Han, S-W Lee, H-K Yi
AIM: To examine the properties of Schisandrin C as an anti-inflammatory and anti-oxidant compound, and whether its characteristics promote mitochondrial biogenesis in human dental pulp cells (HDPCs). METHODOLOGY: HDPCs were extracted from fresh third molars and cultured for experiments. Reactive oxidative stress (ROS) and nitric oxide (NO) formation were analyzed by a Muse cell analyzer. Western blotting and gelatin zymography were used to identify the presence of anti-oxidants, as well as anti-inflammatory and mitochondrial biogenesis with specific antibody...
September 12, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28877285/chondroblastic-osteosarcoma-mimicking-periapical-abscess
#15
Fernanda Paula Yamamoto-Silva, Brunno Santos de Freitas Silva, Aline Carvalho Batista, Elismauro Francisco de Mendonça, Décio Dos Santos Pinto-Júnior, Carlos Estrela
Case report: The present report describes a case of chondroblastic osteosarcoma in the periapical region of teeth #29, #30, and #31 of an 18-year-old male. Clinical history showed self-reported discomfort in the right posterior gingiva for over a month. Physical examination showed a small expansion and redness of the right mandibular buccal and lingual cortical plates, but no signs of pain or inflammation were observed. All the teeth responded positively to pulp sensibility. Periapical and panoramic radiographs showed slight periapical radiolucency in the roots of teeth #29 and #30, clear periodontal ligament space widening, and evident loss of lamina dura...
July 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28864291/functional-recovery-upon-human-dental-pulp-stem-cell-transplantation-in-a-diabetic-neuropathy-rat-model
#16
Indrani Datta, Naini Bhadri, Pradnya Shahani, Debanjana Majumdar, Sowmithra Sowmithra, Rema Razdan, Ramesh Bhonde
Diabetic neuropathy (DN) is among the most debilitating complications of diabetes. Here, we investigated the effects of human dental pulp stem cell (DPSC) transplantation in Streptozotocin (STZ)-induced neuropathic rats. Six weeks after STZ injection, DPSCs were transplanted through two routes, intravenous (IV) or intramuscular (IM), in single or two repeat doses. Two weeks after transplantation, a significant improvement in hyperalgesia, grip-strength, motor coordination and nerve conduction velocity was observed in comparison with controls...
August 29, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28864220/evaluation-of-pulp-response-to-novel-bioactive-glass-pulp-capping-materials
#17
Yunzi Long, Siyi Liu, Lin Zhu, Qiming Liang, Xiaofeng Chen, Yanmei Dong
INTRODUCTION: This study aimed to investigate dental pulp responses to novel bioactive glass (BG) pulp capping materials after direct pulp capping in vivo. METHODS: Novel BG pulp capping materials are composed of powder and fluid. The powder is BG (82.36% SiO2, 15.36% CaO, and 2.28% P2O5), and the fluid is provided in 2 kinds: (1) phosphate buffer solution (BG-PB) and (2) phosphate buffer solution with the addition of 1 wt% sodium alginate (BG-PB-SA). After mixing the powder and fluid, BG-PB and BG-PB-SA were prepared...
October 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28857196/the-effect-of-dental-bleaching-on-pulpal-tissue-response-in-a-diabetic-animal-model-a-study-of-immunoregulatory-cytokines
#18
L L Ferreira, J E Gomes-Filho, F Benetti, M Carminatti, E Ervolino, A L F Briso, L T A Cintra
AIM: To evaluate the influence of tooth bleaching on immunoregulatory cytokines production (IL-6, Tumour necrosis factor (TNF)-α and IL-17) in the pulp tissue of normoglycaemic and diabetic rats. METHODOLOGY: Twenty-eight rats were divided into normoglycaemic and diabetic rats (n = 14). Diabetes mellitus (DM) was induced with a single dose of alloxan diluted in citrate buffer via intramuscular injection. After DM confirmation, all rats were sedated and tooth bleaching was performed using 35% hydrogen peroxide on the right maxillary molars for 30 min...
August 30, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28855762/a-comparison-of-human-dental-pulp-response-to-calcium-hydroxide-and-biodentine-as-direct-pulp-capping-agents
#19
Anushka Lalit Jalan, Manjusha M Warhadpande, Darshan M Dakshindas
CONTEXT: Direct pulp capping involves the placement of a biocompatible agent on pulp tissue that has been inadvertently exposed from traumatic injury or by iatrogenic means. AIM: To compare the human pulp response to calcium hydroxide and Biodentine as direct pulp-capping agents. MATERIALS AND METHODS: Pulp exposures were performed on the pulpal floor of forty human permanent premolars. The exposure sites were dressed with either Dycal or Biodentine as pulp-capping materials...
March 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28844308/inflammation-and-regeneration-in-the-dentin-pulp-complex-net-gain-or-net-loss
#20
Paul R Cooper, Ilaria J Chicca, Michael J Holder, Michael R Milward
The balance between the immune/inflammatory and regenerative responses in the diseased pulp is central to the clinical outcome, and this response is unique within the body because of its tissue site. Cariogenic bacteria invade the dentin and pulp tissues, triggering molecular and cellular events dependent on the disease stage. At the early onset, odontoblasts respond to bacterial components in an attempt to protect the tooth's hard and soft tissues and limit disease progression. However, as disease advances, the odontoblasts die, and cells central to the pulp core, including resident immune cells, pulpal fibroblasts, endothelial cells, and stem cells, respond to the bacterial challenge via their expression of a range of pattern recognition receptors that identify pathogen-associated molecular patterns...
September 2017: Journal of Endodontics
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