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Kim TH, Heo SY, Chandika P, Kim YM, Kim HW, Kang HW, Je JY, Qian ZJ, Kim N, Jung WK. A literature review of bioactive substances for the treatment of periodontitis: In vitro, in vivo and clinical studies. Heliyon 2024; 10:e24216. [PMID: 38293511 PMCID: PMC10826675 DOI: 10.1016/j.heliyon.2024.e24216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/16/2023] [Accepted: 01/04/2024] [Indexed: 02/01/2024] Open
Abstract
Periodontitis is a common chronic inflammatory disease of the supporting tissues of the tooth that involves a complex interaction of microorganisms and various cell lines around the infected site. To prevent and treat this disease, several options are available, such as scaling, root planning, antibiotic treatment, and dental surgeries, depending on the stage of the disease. However, these treatments can have various side effects, including additional inflammatory responses, chronic wounds, and the need for secondary surgery. Consequently, numerous studies have focused on developing new therapeutic agents for more effective periodontitis treatment. This review explores the latest trends in bioactive substances with therapeutic effects for periodontitis using various search engines. Therefore, this study aimed to suggest effective directions for therapeutic approaches. Additionally, we provide a summary of the current applications and underlying mechanisms of bioactive substances, which can serve as a reference for the development of periodontitis treatments.
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Affiliation(s)
- Tae-Hee Kim
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
| | - Seong-Yeong Heo
- Jeju Marine Research Center, Korea Institute of Ocean Science & Technology (KIOST), Jeju, 63349, Republic of Korea
| | - Pathum Chandika
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
| | - Young-Mog Kim
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Department of Food Science and Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Hyun-Woo Kim
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Department of Marine Biology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Hyun Wook Kang
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan, 48513, Republic of Korea
| | - Jae-Young Je
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Major of Human Bioconvergence, School of Smart Healthcare, Pukyong National University, Busan, 48513, Republic of Korea
| | - Zhong-Ji Qian
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, 524088, China
- Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Shenzhen, 518108, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, 524025, China
| | - Namwon Kim
- Ingram School of Engineering, Texas State University, San Marcos, TX, 78666, USA
- Materials Science, Engineering, and Commercialization (MSEC), Texas State University, San Marcos, TX, 78666, USA
| | - Won-Kyo Jung
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan, 48513, Republic of Korea
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Guo Y, Li Z, Chen F, Chai Y. Polyphenols in Oral Health: Homeostasis Maintenance, Disease Prevention, and Therapeutic Applications. Nutrients 2023; 15:4384. [PMID: 37892459 PMCID: PMC10610286 DOI: 10.3390/nu15204384] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 09/30/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Polyphenols, a class of bioactive compounds with phenolic structures, are abundant in human diets. They have gained attention in biomedical fields due to their beneficial properties, including antioxidant, antibacterial, and anti-inflammatory activities. Therefore, polyphenols can prevent multiple chronic or infectious diseases and may help in the prevention of oral diseases. Oral health is crucial to our well-being, and maintaining a healthy oral microbiome is essential for preventing various dental and systemic diseases. However, the mechanisms by which polyphenols modulate the oral microbiota and contribute to oral health are still not fully understood, and the application of polyphenol products lies in different stages. This review provides a comprehensive overview of the advancements in understanding polyphenols' effects on oral health: dental caries, periodontal diseases, halitosis, and oral cancer. The mechanisms underlying the preventive and therapeutic effects of polyphenols derived from dietary sources are discussed, and new findings from animal models and clinical trials are included, highlighting the latest achievements. Given the great application potential of these natural compounds, novel approaches to dietary interventions and oral disease treatments may emerge. Moreover, investigating polyphenols combined with different materials presents promising opportunities for developing innovative therapeutic strategies in the treatment of oral diseases.
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Affiliation(s)
- Yuanyuan Guo
- School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China;
- Key Laboratory of Optoelectronic Devices and Systems, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China
| | - Zhiquan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200 Copenhagen, Denmark;
| | - Feng Chen
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Yujuan Chai
- School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, China;
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AjitSankardas P, Stein SH, Tipton D, Abhyankar V, Morrow BR. Impact of Metal Particles Released during Ultrasonic Scaling of Titanium Surfaces on Human Gingival Fibroblasts. J Long Term Eff Med Implants 2022; 33:9-22. [PMID: 36382700 DOI: 10.1615/jlongtermeffmedimplants.2022043080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
PURPOSE Metal particles found in tissues around dental implants have been proposed to play a pathogenic role in peri-implantitis. Ultrasonic scaling has been suggested as a mechanism by which these particles can be inadvertently released into surrounding tissues. Furthermore, risk factors like diabetes can result in exacerbation of this inflammatory condition. The current study aimed to analyze metal particles released from titanium surfaces during ultrasonic scaling and their impact on pro-inflammatory cytokine production by human gingival fibroblasts. METHODS Metal particles generated from ultrasonic scaling of titanium discs using two different tips (metal and poly-etheretherketone tips) were characterized using scanning electron microscopy and elemental analysis. Endotoxin levels and Human gingival fibroblast viability, in the presence commercial and ultrasonically generated particles were determined. Fibroblasts, cultured in high or low glucose growth medium, were incubated with commercial titanium particles or ultrasonically generated particles in the presence or absence of interluekin-1β. Interleukin 6 and interleukin 8 production were then quantified using Enzyme linked immunosorbent assay. RESULTS Analysis of particles after scaling of titanium discs showed significant levels of titanium particles. Commercial titanium particles and generated particles had no effect of fibroblast viability. Endotoxin levels of all particles were too low to stimulate HGF cells. IL-1β significantly stimulated IL-6 and IL-8 production. However, commercial, and generated particles generally had no significant effect on IL- 6 and IL-8 production. CONCLUSION Our study concluded that particles generated during ultrasonic scaling had no significant effect on viability of HGF cells and cytokine production.
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Affiliation(s)
- Pooja AjitSankardas
- Department of Periodontology, University of Tennessee Health Science Center, College of Dentistry, Memphis, TN 38103
| | - Sidney H Stein
- Department of Periodontology, University of Tennessee Health Science Center, College of Dentistry, Memphis, TN 38103
| | - David Tipton
- Department of Bioscience Research, University of Tennessee Health Science Center, College of Dentistry, University of Tennessee Health Science Center, College of Dentistry, Memphis, TN 38103
| | - Vrushali Abhyankar
- Department of Periodontology, University of Tennessee Health Science Center, College of Dentistry, Memphis, TN 38103
| | - Brian R Morrow
- Department of Bioscience Research, University of Tennessee Health Science Center, College of Dentistry, University of Tennessee Health Science Center, College of Dentistry, Memphis, TN 38103
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Cardoso LM, Pansani TN, de Souza Costa CA, Basso FG. Regulation of interleukin-6 and matrix metalloproteinases syntheses by bioflavonoids and photobiomodulation in human gingival fibroblasts. Lasers Med Sci 2022; 37:2973-2987. [PMID: 35612681 DOI: 10.1007/s10103-022-03579-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 05/16/2022] [Indexed: 11/25/2022]
Abstract
This study aimed to evaluate the separately effects of bioflavonoids proanthocyanidins, from grape seed extract (GSE) and synthetic naringenin (NA), as well as photobiomodulation (PBM) by low-level laser therapy on interleukin (IL)-6 and matrix metalloproteinases (MMPs) syntheses by human gingival fibroblasts (HGF). For this purpose, a connective tissue exposure (ulceration) model of HGF, stimulated with tumor necrosis factor-alpha (TNF-α), was used. Initially, the highest non-cytotoxic and non-genotoxic concentrations of bioflavonoids were determined by cell viability and micronuclei formation assays. Then, HGF were exposed to different stimuli: culture medium (negative control), dimethyl sulfoxide (DMSO), TNF-α, NA, GSE, TNF-α + NA, TNF-α + GSE, PBM (3 J/cm2, 0.025 W, 780 nm), and TNF-α + PBM. Next, IL-6, MMP-2, and MMP-9 syntheses were assessed. The concentration of 10 μg/mL of bioflavonoids increased cell viability at 24 and 48 h and did not present cytotoxic or genotoxic effects on HGF after 24, 48, and 72 h of contact. This concentration was selected for the assessment of bioflavonoids potential in modulating inflammatory mediators. TNF-α exposure enhanced IL-6 (170%), MMP-2 (10%), and MMP-9 (20%) syntheses, while a decrease of MMP-2 by 55% after exposure to TNF-α + GSE and 20% after TNF-α + NA and TNF-α + PBM was observed. MMP-9 synthesis was decreased by 35% after TNF-α + NA, 20% after TNF-α + GSE, and 30% after PBM. IL-6 was down-regulated by GSE in the presence of TNF-α (80%). In conclusion, TNF-α up-regulated IL-6 and MMPs, while bioflavonoids and PBM down-regulated MMP-2 and MMP-9 syntheses; GSE also decreased IL-6 synthesis, demonstrating the individual promising potential of these therapies for ulceration management.
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Affiliation(s)
- Laís Medeiros Cardoso
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP, 1680 Humaitá Street, Araraquara, São Paulo, 14801-903, Brazil
| | - Taisa Nogueira Pansani
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP, 1680 Humaitá Street, Araraquara, São Paulo, 14801-903, Brazil
| | - Carlos Alberto de Souza Costa
- Department of Physiology and Pathology, School of Dentistry, São Paulo State University (UNESP, 1680 Humaitá Street, Araraquara, São Paulo, 14801-903, Brazil
| | - Fernanda Gonçalves Basso
- Department of Dentistry, Ribeirão Preto University (UNAERP), 2201 Costábile Romano Avenue, Ribeirão Preto, São Paulo, 14096-900, Brazil.
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The Effects of Nutraceuticals and Bioactive Natural Compounds on Chronic Periodontitis: A Clinical Review. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1328:59-80. [PMID: 34981471 DOI: 10.1007/978-3-030-73234-9_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The paper aims to review the current clinical evidence of various herbal agents as an adjunct treatment in the management of chronic periodontitis patients. Gingivitis and periodontitis are two common infectious inflammatory diseases of the supporting tissues of the teeth and have a multifactorial etiology. An important concern about chronic periodontitis is its association with certain systemic disease. New treatment strategies for controlling the adverse effects of chronic periodontitis have been extensively assessed and practiced in sub-clinical and clinical studies. It has been shown that the phytochemical agents have various therapeutic properties such as anti-inflammatory and antibacterial effects which can be beneficial for the treatment of periodontitis. The findings of this review support the adjunctive use of herbal agents in the management of chronic periodontitis. Heterogeneity and limited data may reduce the impact of these conclusions. Future long-term randomized controlled trials evaluating the clinical efficacy of adjunctive herbal therapy to scaling and root planing are needed.
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Effects of Antioxidant in Adjunct with Periodontal Therapy in Patients with Type 2 Diabetes: A Systematic Review and Meta-Analysis. Antioxidants (Basel) 2021; 10:antiox10081304. [PMID: 34439554 PMCID: PMC8389262 DOI: 10.3390/antiox10081304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/06/2021] [Accepted: 08/12/2021] [Indexed: 01/22/2023] Open
Abstract
This review investigated whether the adjunctive use of antioxidants with periodontal therapy improves periodontal parameters in patients with type 2 diabetes. A systematic and extensive literature search for randomized controlled trials (RCTs) conducted before April 2021 was performed on the PubMed, Cochrane Library, and Web of Science databases. The risk of bias was assessed using the Cochrane risk-of-bias tool. A meta-analysis was performed to quantitatively evaluate the clinical outcomes following periodontal therapy. After independent screening of 137 initial records, nine records from eight RCTs were included. The risk-of-bias assessment revealed that all RCTs had methodological weaknesses regarding selective bias, although other risk factors for bias were not evident. This meta-analysis of two RCTs showed that periodontal pocket depths were significantly reduced in the groups treated with combined non-surgical periodontal therapy and melatonin than in those treated with non-surgical periodontal therapy alone. The present systematic review and meta-analysis suggest that the adjunctive use of melatonin, resveratrol, omega-3 fatty acids with cranberry juice, propolis, and aloe vera gel with periodontal therapy significantly improves periodontal disease parameters in patients with type 2 diabetes, and melatonin application combined with non-surgical periodontal therapy might significantly reduce periodontal pocket depth. However, there are still limited studies of melatonin in combination with non-surgical periodontal therapy in Type 2 diabetic patients, and more well-designed RCTs are required to be further investigated.
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Li YY, Cai Q, Li BS, Qiao SW, Jiang JY, Wang D, Du XC, Meng WY. The Effect of Porphyromonas gingivalis Lipopolysaccharide on the Pyroptosis of Gingival Fibroblasts. Inflammation 2021; 44:846-858. [PMID: 33140204 DOI: 10.1007/s10753-020-01379-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/14/2020] [Accepted: 10/27/2020] [Indexed: 12/14/2022]
Abstract
Periodontitis is a chronic inflammatory disease induced by Porphyromonas gingivalis (P. gingivalis) and other pathogens. P. gingivalis release various virulence factors including lipopolysaccharide (LPS). However, whether P. gingivalis-LPS inducing pyroptosis in human gingival fibroblasts (HGFs) remains unknown. In present study, P. gingivalis-LPS decreased the membrane integrity of HGFs, and pyroptosis-associated cytokines were upregulated at the mRNA level. In addition, pyroptosis proteins were highly expressed in gingival tissues of periodontitis. P. gingivalis-LPS induced gingivitis in the rat model, and the expression level of pyroptosis-associated proteins increased. Together, P. gingivalis-LPS can activate the pyroptosis reaction, which may be a pro-pyroptosis status in a relative low concentration.
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Affiliation(s)
- Yu-Yang Li
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Qing Cai
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Bao-Sheng Li
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Shu-Wei Qiao
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Jia-Yang Jiang
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Dan Wang
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Xue-Chun Du
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Wei-Yan Meng
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.
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Porphyromonas gingivalis lipopolysaccharide and glycated serum albumin increase the production of several pro-inflammatory molecules in human gingival fibroblasts via NFκB. Arch Oral Biol 2020; 116:104766. [DOI: 10.1016/j.archoralbio.2020.104766] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/01/2020] [Accepted: 05/10/2020] [Indexed: 12/12/2022]
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Elenkova M, Tipton DA, Karydis A, Stein SH. Vitamin D attenuates human gingival fibroblast inflammatory cytokine production following advanced glycation end product interaction with receptors for AGE. J Periodontal Res 2018; 54:154-163. [PMID: 30295316 DOI: 10.1111/jre.12613] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 07/18/2018] [Accepted: 08/26/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND OBJECTIVES Vitamin D [1,25(OH)2 D3 or 1,25D3] is critical in musculoskeletal health, inflammation, immune response, and glucose metabolism. Patients with vitamin D deficiency may be at higher risk of diabetes and periodontitis. Diabetic patients exhibit exacerbated inflammation and more periodontal destruction. Advanced glycation end products (AGEs), formed during diabetic hyperglycemia, activate inflammatory pathways in periodontitis. Human gingival fibroblasts (HGFs) express receptors for AGEs (RAGEs) and can contribute to inflammation. OBJECTIVES Determine whether glycated human serum albumin (G-HSA) augments HGF IL-6 and IL-8 production, and whether treatment with 1,25D3 attenuates cytokine production following stimulation with G-HSA + IL-1β and/or IL-17. MATERIAL AND METHODS HGFs were incubated ±G-HSA or normal human serum albumin (HSA), ±IL-1β and/or IL-17, ±1,25D3. Cytokines were measured by ELISA. Neutralizing anti-RAGE was used to assess AGE-RAGE interaction. Endotoxin was measured using the ToxinSensor™ System. Data were expressed as mean ± standard deviation and analyzed using a one-way analysis of variance (ANOVA) and Scheffe's F procedure for post hoc comparisons. RESULTS G-HSA or IL-1β, but not HSA, significantly stimulated IL-6 and IL-8 production. G-HSA or HSA when combined with IL-1β or IL-1β + IL-17 synergistically stimulated IL-6 and IL-8. Neutralizing anti-RAGE inhibited IL-6 and IL-8 produced by cells stimulated with IL-1β + G-HSA but not (+HSA). Synergism caused by HSA did not appear to be mediated by endotoxin since its levels in G-HSA and HSA were not sufficient to stimulate fibroblasts. Vitamin D inhibited IL-6 and IL-8 production stimulated by G-HSA or HSA + IL-1β or IL-1β + IL-17. CONCLUSIONS Results suggest that the "perioprotective" effects of vitamin D are related to its ability to regulate inflammatory cytokine production by HGFs following AGE-RAGE interaction.
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Affiliation(s)
- Martina Elenkova
- College of Dentistry, The University of Tennessee Health Science Center, Memphis, Tennessee.,Department of Periodontology, The University of Tennessee Health Science Center, Memphis, Tennessee
| | - David A Tipton
- College of Dentistry, The University of Tennessee Health Science Center, Memphis, Tennessee.,Department of Bioscience Research, The University of Tennessee Health Science Center, Memphis, Tennessee
| | - Anastasios Karydis
- College of Dentistry, The University of Tennessee Health Science Center, Memphis, Tennessee.,Department of Periodontology, The University of Tennessee Health Science Center, Memphis, Tennessee
| | - Sidney H Stein
- College of Dentistry, The University of Tennessee Health Science Center, Memphis, Tennessee.,Department of Periodontology, The University of Tennessee Health Science Center, Memphis, Tennessee
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Dietary Polyphenols and Periodontitis-A Mini-Review of Literature. Molecules 2018; 23:molecules23071786. [PMID: 30036945 PMCID: PMC6099717 DOI: 10.3390/molecules23071786] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 07/14/2018] [Accepted: 07/18/2018] [Indexed: 01/18/2023] Open
Abstract
Periodontitis, which is a chronic infection and disease of the periodontium, is a significant global health burden and is linked to other chronic health conditions such as diabetes and cardiovascular diseases. Dietary polyphenols present in a wide variety of plant-based foods, herbs, and botanicals have been shown to exert antimicrobial, anti-inflammatory, and reduced osteoclast and alveolar bone loss activities in animal models of periodontitis. Polyphenol-containing beverages and foods especially green tea and its active catechin epigallocatechin-3-gallate, cranberries, pomegranates, and fruit and vegetable extracts have reported bacteriostatic/bactericidal activity against microbial species such as P. gingivalis and shown total bacterial burden in clinical studies. These polyphenols also exhibit anti-inflammatory and antioxidant effects, which have the potential to impact various biological mechanisms for reducing the initiation and progression of periodontitis. The main objective of this mini-review is to focus on the mechanisms of action of dietary polyphenols in improving the pathophysiology underlying chronic inflammatory diseases like periodontitis based on pre-clinical and clinical models.
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Vaccinium macrocarpon Aiton Extract Ameliorates Inflammation and Hyperalgesia through Oxidative Stress Inhibition in Experimental Acute Pancreatitis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:9646937. [PMID: 29861777 PMCID: PMC5976997 DOI: 10.1155/2018/9646937] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/04/2018] [Indexed: 12/23/2022]
Abstract
We evaluated the effect of the hydroethanolic extract of fruits of Vaccinium macrocarpon (HEVm) in a model of acute pancreatitis (AP) in mice. AP was induced by two injections of L-arginine and animals were treated with HEVm (50, 100, and 200 mg/kg, p.o.) or vehicle (saline) every 24 h, starting 1 h after the induction of AP. Phytochemical analysis of the extract and measurement of inflammatory and oxidative stress parameters, as well as abdominal hyperalgesia, were performed. Catechin, epicatechin, rutin, and anthocyanins were identified in HEVm. Treatment with HEVm decreased L-arginine-induced abdominal hyperalgesia (from 48 to 72 h). Also, treatment with HEVm decreased L-arginine-induced pancreatic edema, pancreatic and pulmonary neutrophil infiltration, and levels of tumor necrosis factor-α, interleukin-1β, and interleukin-6, after 72 h of induction. L-arginine-induced hyperamylasemia and hyperlipasemia were also reduced by the treatment with HEVm in comparison to vehicle-treated group. Moreover, lipoperoxidation, carbonyl radicals, nonprotein sulfhydryl groups, and activity of catalase and superoxide dismutase, but not glutathione peroxidase, were restored by the treatment with HEVm. These results show that treatment with HEVm decreased hyperalgesia and pancreatic/extrapancreatic inflammation and oxidative damage in L-arginine-induced AP, making this extract attractive for future approaches designed to treat this condition.
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Nakashyan V, Tipton DA, Karydis A, Livada R, Stein SH. Effect of 1,25(OH) 2 D 3 and 20(OH)D 3 on interleukin-1β-stimulated interleukin-6 and -8 production by human gingival fibroblasts. J Periodontal Res 2017; 52:832-841. [PMID: 28345770 DOI: 10.1111/jre.12452] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND OBJECTIVE Vitamin D-1,25(OH)2 D3 or 1,25D3-maintains healthy osseous tissue, stimulates the production of the antimicrobial peptide cathelicidin and has anti-inflammatory effects, but it can cause hypercalcemia. Evidence links diminished serum levels of 1,25D3 with increased gingival inflammation. Periodontitis progression is associated with increased local production of inflammatory mediators by immune cells and gingival fibroblasts. These include interleukin (IL)-6, a regulator of osteoclastic bone resorption, and the neutrophil chemoattractant IL-8, both regulated by signaling pathways, including NF-κB and MAPK/AP-1. The objectives were to determine the effects of 1,25D3 or a non-calcemic analog, 20-hydroxyvitamin D3 -20(OH)D3 or 20D3-on IL-1β-stimulated IL-6 and IL-8 production, and NF-κB and MAPK/AP-1 activation, by human gingival fibroblasts. MATERIAL AND METHODS Human gingival fibroblasts were incubated ± IL-1β, with or without exposure to 1,25D3 or 20D3. IL-6 and IL-8 in culture supernatants were measured by enzyme-linked immunosorbent assay. NF-κB (p65) and AP-1 (phospho-cJun) and were measured in nuclear extracts via binding to specific oligonucleotides. Data were analyzed using ANOVA and Scheffe's F procedure for post hoc comparisons. RESULTS IL-1β-stimulated IL-6 and IL-8 levels were both significantly inhibited (40%-60%) (P<.045) by 1,25D3, but not 20D3 (0%-15% inhibition, not statistically significant). Both 1,25D3 and 20D3 significantly and similarly inhibited IL-1β-stimulated nuclear levels of p65 and phospho-cJun (P<.02). CONCLUSION Reduction of the activation of NF-κB and AP-1 alone is not able to inhibit strongly the IL-1β stimulated IL-6 and IL-8 gene expression. 1,25D3 but not 20D3 may affect some of the many other factors/processes/pathways that in turn regulate the expression of these genes. However, the results suggest that topical application of ligands of the vitamin D receptor may be useful in the local treatment of periodontitis while reducing adverse systemic effects.
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Affiliation(s)
- V Nakashyan
- College of Dentistry, Department of Periodontology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - D A Tipton
- College of Dentistry, Department of Periodontology, University of Tennessee Health Science Center, Memphis, TN, USA.,Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN, USA
| | - A Karydis
- College of Dentistry, Department of Periodontology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - R Livada
- College of Dentistry, Department of Periodontology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - S H Stein
- College of Dentistry, Department of Periodontology, University of Tennessee Health Science Center, Memphis, TN, USA
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