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Badiger AB, Gowda TM, Chandra K, Mehta DS. Bilateral Interrelationship of Diabetes and Periodontium. Curr Diabetes Rev 2019; 15:357-362. [PMID: 30648515 DOI: 10.2174/1573399815666190115144534] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 11/19/2018] [Accepted: 01/08/2019] [Indexed: 11/22/2022]
Abstract
Periodontitis is a chronic inflammatory disease characterised by destruction of the supporting structures of the teeth which is a common cause of tooth mortality in all individuals throughout the world. Diabetes is a group of metabolic dysregulation, primarily of carbohydrate metabolism, characterized by hyperglycemia that results from defects in insulin secretion, impaired insulin action, or both. Systematic reviews and meta-analysis have shown that the prevalence of periodontitis is increased in diabetic patients. Based on the evidence, degree of hyperglycemia and severity of periodontitis are inter- related. Diabetic patients with severe periodontitis have six times more poor glycemic control than patients with healthy periodontium. However, improved glycemic control has been postulated to reduce the severity of periodontal disease. In this mini-review, we have presented the previously reviewed studies from the literature and focused on a two-way relationship of diabetes and periodontitis, various pathways involved in it such as RANK/RANKL/OPG axis, AGE-RAGE pathway, Oxidative stress mechanism, and obesity that influence the possibility of periodontitis-Diabetes Mellitus (DM).
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Affiliation(s)
- Apoorva B Badiger
- Department of Periodontology, Bapuji Dental College and Hospital, MCC 'B' Block, Rajiv Gandhi University of Health Sciences, Davangere, Karnataka, India
| | - Triveni M Gowda
- Department of Periodontology, Bapuji Dental College and Hospital, MCC 'B' Block, Rajiv Gandhi University of Health Sciences, Davangere, Karnataka, India
| | - Khyati Chandra
- Department of Periodontology, Bapuji Dental College and Hospital, MCC 'B' Block, Rajiv Gandhi University of Health Sciences, Davangere, Karnataka, India
| | - Dhoom S Mehta
- Department of Periodontology, Bapuji Dental College and Hospital, MCC 'B' Block, Rajiv Gandhi University of Health Sciences, Davangere, Karnataka, India
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Śmieszek A, Szydlarska J, Mucha A, Chrapiec M, Marycz K. Enhanced cytocompatibility and osteoinductive properties of sol-gel-derived silica/zirconium dioxide coatings by metformin functionalization. J Biomater Appl 2018; 32:570-586. [PMID: 29113566 DOI: 10.1177/0885328217738006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this study was to evaluate the pro-osteogenic properties of sol-gel-derived silica/zirconium dioxide coatings functionalized with 1 mM of metformin. The matrices were applied on 316L stainless steel using dip-coating technique. First of all, physicochemical properties of biomaterials were evaluated. Surface morphology and topography was determined using energy-dispersive X-ray spectroscopy and atomic force microscopy. The chemical composition was evaluated using Fourier transform infrared spectroscopy. Further, wettability and surface free energy were characterized. Cytocompatibility of biomaterials was tested in vitro using model of human multipotent mesenchymal stromal cells isolated from adipose tissue. The influence of biomaterials on cells morphology and proliferation was determined. Osteogenic effect of obtained biomaterials was evaluated in terms of their influence on secretory activity of human multipotent mesenchymal stromal cells isolated from adipose tissue and matrix mineralization. Analysis was performed in relation to the control cultures i.e. maintained on pure SS316L substrate and SS316L covered with silica/zirconium dioxide. Obtained results indicate that silica/zirconium dioxide_metformin coatings ameliorated metabolic and proliferative activity of human multipotent mesenchymal stromal cells isolated from adipose tissue, as well as promoted their proper growth and adhesion. The human multipotent mesenchymal stromal cells isolated from adipose tissue cultured on biomaterials were characterized by typical fibroblast-like morphology. The addition of metformin to the silica/zirconium dioxide coatings improved functional differentiation of human multipotent mesenchymal stromal cells isolated from adipose tissue. Osteogenic cultures on silica/zirconium dioxide_metformin were characterized by formation of well-developed osteonodules rich in calcium and phosphorous. Moreover, human multipotent mesenchymal stromal cells isolated from adipose tissue cultured on silica/zirconium dioxide_metformin synthesized increased amount of alkaline phosphatase, bone morphogenetic protein 2 and osteopontin, both on messenger RNA and protein level. Obtained biomaterials modulate cellular plasticity of human multipotent mesenchymal stromal cells isolated from adipose tissue promoting their osteogenic differentiation, thus may find application in broadly defined tissue engineering.
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Affiliation(s)
- Agnieszka Śmieszek
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland.,2 Wroclaw Research Centre EIT+, Stablowicka 147, Wroclaw, Poland
| | - Joanna Szydlarska
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Aleksandra Mucha
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Martyna Chrapiec
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Krzysztof Marycz
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland.,2 Wroclaw Research Centre EIT+, Stablowicka 147, Wroclaw, Poland
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An JY, Quarles EK, Mekvanich S, Kang A, Liu A, Santos D, Miller RA, Rabinovitch PS, Cox TC, Kaeberlein M. Rapamycin treatment attenuates age-associated periodontitis in mice. GeroScience 2017; 39:457-463. [PMID: 28889220 PMCID: PMC5636779 DOI: 10.1007/s11357-017-9994-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 08/17/2017] [Indexed: 01/07/2023] Open
Abstract
Interventions that target biological mechanisms of aging have great potential to enhance quality of life by delaying morbidity and mortality. The FDA-approved drug rapamycin is a compelling candidate for such an intervention. In a previous study, it was reported that 3 months of rapamycin treatment is sufficient to increase life expectancy and remodel the gut microbiome in aged mice. Transient treatment with rapamycin or a rapamycin derivative has also been shown to delay immune stem cell senescence and rejuvenate immune function in aged mice and elderly people. Periodontal disease is an important age-related disease involving altered immune function, pathological changes to the oral microbiome, and systemic inflammation. Periodontal disease is defined clinically by loss of alveolar bone and by connective tissue degeneration. Here, we describe significant alveolar bone loss during aging in two different mouse strain backgrounds and report that rapamycin treatment is sufficient to reverse age-associated periodontal disease in mice. Partial restoration of youthful levels of alveolar bone is observed in 22-month-old rapamycin-treated mice as rapidly as 8 weeks after initiation of treatment. To the best of our knowledge, this represents the first intervention shown to substantially prevent or reverse age-associated alveolar bone loss. These findings suggest the possibility that inhibition of mTOR with rapamycin or other pharmacological agents may be useful to treat a clinically relevant condition for which there is currently no effective treatment.
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Affiliation(s)
- Jonathan Y An
- Department of Oral Health Sciences, University of Washington School of Dentistry, Seattle, WA, 98195, USA
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Ellen K Quarles
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Surapat Mekvanich
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Alex Kang
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Anthony Liu
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Danielle Santos
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Richard A Miller
- Department of Pathology and Geriatrics Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Peter S Rabinovitch
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Timothy C Cox
- Center for Developmental Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, WA, USA
| | - Matt Kaeberlein
- Department of Oral Health Sciences, University of Washington School of Dentistry, Seattle, WA, 98195, USA.
- Department of Pathology, University of Washington School of Medicine, Seattle, WA, 98195, USA.
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