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Journal of Periodontal Research

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https://www.readbyqxmd.com/read/27859260/inducible-expression-of-a-disintegrin-and-metalloproteinase-8-in-chronic-periodontitis-and-gingival-epithelial-cells
#1
W P P Aung, P Chotjumlong, S Pata, P Montreekachon, C Supanchart, S Khongkhunthian, T Sastraruji, S Krisanaprakornkit
BACKGROUND AND OBJECTIVES: The expression of A Disintegrin and Metalloproteinase 8 (ADAM8) is associated with several inflammatory diseases. Elevated ADAM8 levels have been shown in gingival crevicular fluid of patients with chronic periodontitis. The objective of this study was to investigate ADAM8 expression in chronic periodontitis tissues compared with that in normal tissues. ADAM8 expression and its inductive mechanism were examined in human gingival epithelial cells (HGECs) and human gingival fibroblasts...
November 17, 2016: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27859254/influence-of-experimental-periodontitis-on-cardiac-oxidative-stress-in-rats-a-biochemical-and-histomorphometric-study
#2
O Köse, T Arabacı, H Yemenoglu, S Ozkanlar, N Kurt, I Gumussoy, S Gedikli, A Kara
BACKGROUND AND OBJECTIVE: The role of oxidative stress in the process of cardiac remodeling, hypertrophy and heart failure is a current topic. The purpose of this experimental study was to investigate the influences of periodontitis on levels of cardiac oxidative stress. MATERIAL AND METHODS: Twenty rats were separated into two groups: control and experimental periodontitis (EP). Periodontitis was induced by placing a 3.0 silk suture in the cervix of the left and right mandibular first molar teeth for 5 wk...
November 17, 2016: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27859252/clinical-effects-of-probiotics-containing-bacillus-species-on-gingivitis-a-pilot-randomized-controlled-trial
#3
B Alkaya, I Laleman, S Keceli, O Ozcelik, M Cenk Haytac, W Teughels
BACKGROUND AND OBJECTIVE: Lactobacillus spp. and bifidobacteria are the most frequently used probiotics in oral health research. However, although probiotic effects have been suggested for other genera, such as bacilli, no trials are available to describe the effect of bacilli probiotics on gingivitis in humans. The aim of the present study was to evaluate the clinical effects of a bacilli-containing toothpaste, a mouthrinse and a toothbrush cleaner versus a placebo in patients with generalized gingivitis...
November 17, 2016: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27781272/gingival-crevicular-fluid-tissue-blood-vessel-type-plasminogen-activator-and-plasminogen-activator-inhibitor-2-levels-in-patients-with-rheumatoid-arthritis-effects-of-nonsurgical-periodontal-therapy
#4
Ş Kurgan, C Önder, N Balcı, Ö Fentoğlu, F Eser, M Balseven, M A Serdar, D N Tatakis, M Günhan
BACKGROUND AND OBJECTIVE: The aim of this study was to evaluate the effect of nonsurgical periodontal therapy on clinical parameters and gingival crevicular fluid levels of tissue/blood vessel-type plasminogen activator (t-PA) and plasminogen activator inhibitor-2 (PAI-2) in patients with periodontitis, with or without rheumatoid arthritis (RA). MATERIAL AND METHODS: Fifteen patients with RA and chronic periodontitis (RA-P), 15 systemically healthy patients with chronic periodontitis (H-P) and 15 periodontally and systemically healthy volunteers (C) were included in the study...
October 26, 2016: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28101931/list-of-reviewers
#5
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27028150/periodontal-disease-and-percentage-of-calories-from-fat-using-national-data
#6
T Hamasaki, M Kitamura, Y Kawashita, Y Ando, T Saito
BACKGROUND AND OBJECTIVE: The association between periodontal disease and nutrient intake was examined using linked data from the 2005 National Health and Nutrition Survey, the Comprehensive Survey of Living Conditions and the Survey of Dental Diseases from the same year 'using linked data from the National Health and Nutrition Survey, the Comprehensive Survey of Living Conditions and the Survey of Dental Diseases, all from 2005'. There has been increasing focus on the importance of nutritional factors in disease in recent years, but very few studies in Japan have looked at the association between periodontal disease and nutrients...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27021598/human-periodontal-ligament-stem-cells-suppress-t-cell-proliferation-via-down-regulation-of-non-classical-major-histocompatibility-complex-like-glycoprotein-cd1b-on-dendritic-cells
#7
C Shin, M Kim, J-A Han, B Choi, D Hwang, Y Do, J-H Yun
BACKGROUND AND OBJECTIVE: Periodontal ligament stem cells (PDLSCs) from the periodontal ligament tissue were recently identified as mesenchymal stem cells (MSCs). The capabilities of PDLSCs in periodontal tissue or bone regeneration have been reported, but their immunomodulatory role in T-cell immune responses via dendritic cells (DCs), known as the most potent antigen-presenting cell, has not been studied. The aim of this study is to understand the immunological function of homogeneous human STRO-1(+) CD146(+) PDLSCs in DC-mediated T-cell immune responses to modulate the periodontal disease process...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27018040/relation-between-periodontal-disease-and-arterial-stiffness
#8
L N Nicolosi, P G Lewin, J J Rudzinski, M Pompeo, F Guanca, P Rodríguez, R J Gelpi, M C Rubio
BACKGROUND AND OBJECTIVE: Periodontal disease has been described as playing a role in the atherosclerosis process, and its relation with intimal thickness and vascular endothelial function (EF) has been investigated. The present study sought to determine whether there are differences in parameters of arterial stiffness and EF between patients with and without severe periodontal disease (SPD). MATERIAL AND METHODS: Patients referred to the School of Dentistry University of Buenos Aires, were assessed...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27016382/hypoxia-inducible-factor-1%C3%AE-inhibits-interleukin-6-and-8-production-in-gingival-epithelial-cells-during-hypoxia
#9
M Takedachi, M Iyama, K Sawada, K Mori, S Yamamoto, C Morimoto, M Yanagita, S Murakami
BACKGROUND AND OBJECTIVE: Hypoxia has been widely studied in inflammatory diseases as it can modulate the inflammatory response, mainly via the hypoxia-inducible factor (HIF). However, little is known about the effects of hypoxia and the role of HIF in the inflammatory responses to periodontitis. In this study, we focused on the gingival epithelium that is exposed to relatively low levels of oxygen. We investigated whether hypoxic conditions have an impact on inflammatory responses in human gingival epithelial cells (HGECs)...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27016267/high-levels-of-heavy-metal-accumulation-in-dental-calculus-of-smokers-a-pilot-inductively-coupled-plasma-mass-spectrometry-study
#10
E Yaprak, I Yolcubal, A Sinanoğlu, A Doğrul-Demiray, E Guzeldemir-Akcakanat, I Marakoğlu
BACKGROUND AND OBJECTIVE: Various trace elements, including toxic heavy metals, may exist in dental calculus. However, the effect of environmental factors on heavy metal composition of dental calculus is unknown. Smoking is a major environmental source for chronic toxic heavy metal exposition. The aim of this study is to compare toxic heavy metal accumulation levels in supragingival dental calculus of smokers and non-smokers. MATERIAL AND METHODS: A total of 29 supragingival dental calculus samples were obtained from non-smoker (n = 14) and smoker (n = 15) individuals...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27016120/decreased-expression-of-e-cadherin-by-porphyromonas-gingivalis-lipopolysaccharide-attenuates-epithelial-barrier-function
#11
M Abe-Yutori, T Chikazawa, K Shibasaki, S Murakami
BACKGROUND AND OBJECTIVE: The gingival epithelium is a first line of defense against bacterial challenge. E-cadherin (E-cad) plays an important role in cell-cell adhesion as a barrier in the epithelium. Recently, a decrease in the expression of E-cad has been observed in inflamed gingival tissue. The aims of this study were to clarify the changes in E-cad expression and barrier function in human gingival epithelial cells stimulated with Porphyromonas gingivalis-lipopolysaccharide (P. gingivalis-LPS) and to evaluate the influence of these changes on the inflammatory reaction...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27005943/role-of-indoleamine-2-3-dioxygenase-in-an-inflammatory-model-of-murine-gingiva
#12
X Qin, J Y Liu, T Wang, D H Pashley, A H Al-Hashim, R Abdelsayed, J C Yu, M S Mozaffari, B Baban
BACKGROUND AND OBJECTIVE: Indoleamine 2,3-dioxygenase (IDO) is one of the major pathways for metabolism of tryptophan in a variety of cells, including immune cells. Increasing evidence indicates that IDO is a critical player in establishing the balance between immunity and tolerance and ultimately in the maintenance of homeostasis. By inducing inflammation in gingival tissue, we tested the hypothesis that IDO is a pivotal player in regulating the immune and inflammatory responses of gingiva...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26987886/titanium-ions-form-particles-that-activate-and-execute-interleukin-1%C3%AE-release-from-lipopolysaccharide-primed-macrophages
#13
M Pettersson, P Kelk, G N Belibasakis, D Bylund, M Molin Thorén, A Johansson
BACKGROUND AND OBJECTIVE: Peri-implantitis is a destructive inflammatory process characterized by destruction of the implant-supporting bone. Inflammasomes are large intracellular multiprotein complexes that play a central role in innate immunity by activating the release of proinflammatory cytokines. Although inflammasome activation has previously been linked to periodontal inflammation, there is still no information on a potential association with peri-implantitis. The aim of this study was to examine cytotoxic and proinflammatory effects, including inflammasome activation, of metals used in dental implants, in an in vitro model, as well as from clinical tissue samples...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26971526/blockade-of-rage-in-zucker-obese-rats-with-experimental-periodontitis
#14
M B Grauballe, J A Østergaard, S Schou, A Flyvbjerg, P Holmstrup
BACKGROUND AND OBJECTIVE: Periodontitis and type 2 diabetes mellitus (T2D) are two interrelated chronic diseases. Periodontitis is more prevalent in patients with T2D than in healthy subjects, and studies indicate that periodontitis impacts the metabolic control of patients with T2D. Hyperglycemia in T2D leads to the formation of advanced glycation end-products (AGEs). Binding of AGEs to the receptor of AGE (RAGE) elicits an increased inflammatory response that may be a key modulator linking the two diseases...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26957413/inhibition-of-gingipains-and-porphyromonas-gingivalis-growth-and-biofilm-formation-by-prenyl-flavonoids
#15
T Kariu, R Nakao, T Ikeda, K Nakashima, J Potempa, T Imamura
BACKGROUND AND OBJECTIVE: Porphyromonas gingivalis is considered a major pathogen of chronic periodontitis, which also may be implicated with systemic diseases such as atherosclerosis. Secreted cysteine proteases, gingipains Rgp and Kgp, are essential for P. gingivalis virulence. Some polyphenols and flavonoids are known to inhibit gingipain activity and interfere with biofilm formation by P. gingivalis. Many bioactive compounds have been isolated from Epimedium species, but availability of these compounds on gingipains and P...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26957231/the-histopathological-comparison-on-the-destruction-of-the-periodontal-tissue-between-normal-junctional-epithelium-and-long-junctional-epithelium
#16
S Noguchi, T Ukai, A Kuramoto, Y Yoshinaga, H Nakamura, Y Takamori, Y Yamashita, Y Hara
BACKGROUND AND OBJECTIVE: The barrier function of long junctional epithelium is thought to be important after periodontal initial therapy and periodontal surgery. Although the difference between long junctional epithelium and normal junctional epithelium regarding their resistance to destruction of periodontal tissue has been investigated, the mechanism still remains unclear. Using our rat experimental periodontitis model in which loss of attachment and resorption of alveolar bone is induced by the formation of immune complexes, we investigated the resistance of periodontal tissue containing long junctional epithelium and normal junctional epithelium to destruction...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26932733/influence-of-a-triclosan-toothpaste-on-periodontopathic-bacteria-and-periodontitis-progression-in-cardiovascular-patients-a-randomized-controlled-trial
#17
G J Seymour, J E Palmer, S J Leishman, H L Do, B Westerman, A D Carle, M J Faddy, M J West, M P Cullinan
BACKGROUND AND OBJECTIVE: Triclosan/copolymer toothpaste is effective in controlling plaque and gingivitis and in slowing the progression of periodontitis. This study describes its influence on microbiological and clinical outcomes, over a 5-year period, in patients with established cardiovascular disease (CVD). MATERIAL AND METHODS: Four-hundred and thirty-eight patients were recruited from the Cardiovascular Unit at The Prince Charles Hospital, Brisbane, Australia, and randomized to triclosan or placebo groups...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26932579/obesity-and-oxidative-stress-in-patients-with-different-periodontal-status-a-case-control-study
#18
V E Atabay, M Lutfioğlu, B Avci, E E Sakallioglu, A Aydoğdu
BACKGROUND AND OBJECTIVE: Obesity has become an important global health concern as obesity-associated adiposity is supposedly related to systemic immunologic and inflammatory alterations. The aim of this study was to evaluate the effects of obesity on periodontally healthy and diseased tissue according to the changes in malondialdehyde (MDA), protein carbonyl (PC) and total antioxidant capacity (TAOC) levels in gingival crevicular fluid as biomarkers of oxidative stress (OS). MATERIAL AND METHODS: The study sample comprised systemically healthy normal-weight (n = 45) and obese (n = 48) adults...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26932498/the-sphingosine-1-phosphate-receptor-1-binding-molecule-fty720-inhibits-osteoclast-formation-in-rats-with-ligature-induced-periodontitis
#19
D-E Lee, J-H Kim, S-H Choi, J-H Cha, E-J Bak, Y-J Yoo
BACKGROUND AND OBJECTIVE: Osteoclast precursors (OPs) re-migrate from the bone surface into blood vessels through sphingosine-1-phosphate receptor 1 (S1PR1) expression. T cells also express S1PR1, mediating their migration from the lymph nodes into blood vessels. OP and T-cell migration are one of the sequential steps related to osteoclast formation. To characterize the role of S1PR1 in osteoclast formation induced by periodontitis, we investigated the effect of S1PR1-binding molecule FTY720 (FTY) on the number of OPs and T cells in periodontal tissue and peripheral blood of rats with ligature-induced periodontitis...
February 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/26932392/the-effectiveness-of-low-level-laser-therapy-as-an-adjunct-to-non-surgical-periodontal-treatment-a-meta-analysis
#20
C Ren, C McGrath, L Jin, C Zhang, Y Yang
BACKGROUND AND OBJECTIVES: Although low-level laser therapy (LLLT) has been demonstrated to have a biomodulatory effect on periodontal tissue, no systematic review has exclusively addressed its effectiveness as an adjunct to non-surgical periodontal treatment. This study aimed to evaluate whether an additional benefit exists for the application of LLLT compared with scaling and root planing (SRP) alone. MATERIAL AND METHODS: An extensive search was conducted in the Cochrane Library (Issue 8, 2015), PubMed (1997) and EMBASE (1947) before August 2015 for randomized controlled trials (RCTs)...
February 2017: Journal of Periodontal Research
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