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Carrillo-Gálvez AB, Zurita F, Guerra-Valverde JA, Aguilar-González A, Abril-García D, Padial-Molina M, Olaechea A, Martín-Morales N, Martín F, O’Valle F, Galindo-Moreno P. NLRP3 and AIM2 inflammasomes expression is modified by LPS and titanium ions increasing the release of active IL-1β in alveolar bone-derived MSCs. Stem Cells Transl Med 2024; 13:826-841. [PMID: 39013640 PMCID: PMC11328940 DOI: 10.1093/stcltm/szae042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 05/19/2024] [Indexed: 07/18/2024] Open
Abstract
Periodontitis and peri-implantitis are inflammatory diseases of infectious etiology that lead to the destruction of the supporting tissues located around teeth or implants. Although both pathologies share several characteristics, it is also known that they show important differences which could be due to the release of particles and metal ions from the implant surface. The activation of the inflammasome pathway is one of the main triggers of the inflammatory process. The inflammatory process in patients who suffer periodontitis or peri-implantitis has been mainly studied on cells of the immune system; however, it is also important to consider other cell types with high relevance in the regulation of the inflammatory response. In that context, mesenchymal stromal cells (MSCs) play an essential role in the regulation of inflammation due to their ability to modulate the immune response. This study shows that the induction of NLRP3 and absent in melanoma 2 (AIM2) inflammasome pathways mediated by bacterial components increases the secretion of active IL-1β and the pyroptotic process on human alveolar bone-derived mesenchymal stromal cells (hABSCs). Interestingly, when bacterial components are combined with titanium ions, NLRP3 expression is further increased while AIM2 expression is reduced. Furthermore, decrease of NLRP3 or AIM2 expression in hABSCs partially reverses the negative effect observed on the progression of the inflammatory process as well as on cell survival. In summary, our data suggest that the progression of the inflammatory process in peri-implantitis could be more acute due to the combined action of organic and inorganic components.
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Affiliation(s)
- Ana Belén Carrillo-Gálvez
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
| | - Federico Zurita
- Department of Genetics and Institute of Biotechnology, University of Granada, 18071 Granada, Spain
| | - José Antonio Guerra-Valverde
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- PhD Program in Clinical Medicine and Public Health, University of Granada,18071 Granada, Spain
| | - Araceli Aguilar-González
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government PTS Granada, 18016 Granada, Spain
- Department of Medicinal and Organic Chemistry and Excellence Research Unit of Chemistry Applied to Bio-Medicine and the Environment, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Darío Abril-García
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
| | - Miguel Padial-Molina
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
| | - Allinson Olaechea
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- PhD Program in Clinical Medicine and Public Health, University of Granada,18071 Granada, Spain
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government PTS Granada, 18016 Granada, Spain
| | - Natividad Martín-Morales
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- PhD Program in Biomedicine, University of Granada, 18071 Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, 18071 Granada, Spain
| | - Francisco Martín
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government PTS Granada, 18016 Granada, Spain
- Department of Biochemistry and Molecular Biology III and Immunology, Faculty of Medicine, University of Granada, 18071 Granada, Spain
- Excellence Research Unit “Modeling Nature” (MNat), University of Granada, 18071 Granada, Spain
| | - Francisco O’Valle
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, 18071 Granada, Spain
- Institute of Biopathology and Regenerative Medicine (IBIMER, CIBM), University of Granada, 18071 Granada, Spain
| | - Pablo Galindo-Moreno
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria (IBS) de Granada, 18012 Granada, Spain
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Galindo-Moreno P, Montalvo-Acosta S, Martín-Morales N, Carrillo-Gálvez AB, González-Rey E, O'Valle F, Padial-Molina M. Inflammasomes NLRP3 and AIM2 in peri-implantitis: A cross-sectional study. Clin Oral Implants Res 2023; 34:1342-1353. [PMID: 37642257 DOI: 10.1111/clr.14174] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 07/18/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Inflammasome components NLRP3 and AIM2 contribute to inflammation development by the activation of caspase-1 and IL-1β. They have not been yet evaluated in samples from patients with active peri-implantitis. Thus, the aim of the present study is to analyze the expression of inflammasomes NLRP3 and AIM2 and subsequent caspase 1 and IL-1β assessing the microenvironment of leukocyte subsets in samples from patients with active peri-implantitis. METHODS Biopsies were collected from 33 implants in 21 patients being treated for peri-implantitis. Biopsies from gingival tissues from 15 patients with healthy periodontium were also collected for control. These tissues were evaluated through conventional histological stainings. Then, immunohistochemical detection was performed to analyze NLRP3, AIM2, caspase-1, and IL-1β and markers of different leukocyte subsets. PCR for inflammasomes and related genes was also done. RESULTS This manuscript reveals a high immunohistochemical and mRNA expression of NLRP3 and AIM2 inflammasomes, caspase-1, and IL-1β in biopsies collected from human peri-implantitis. The expression of the tested markers was significantly correlated with the increase in inflammatory infiltrate, probing depth, presence of biofilm, and bleeding on probing. In these peri-implantitis lesions, the area of biopsy tissue occupied by inflammatory infiltrate was intense while the area occupied by collagen was significantly lower. In comparison with periodontal healthy tissues, the inflammatory infiltrate was statistically significantly higher in the peri-implantitis biopsies and was mainly composed of plasma cells, followed by T and B lymphocytes. CONCLUSION In human peri-implantitis, chronic inflammation can be explained in part by the action of IL-1β/caspase 1 induced through NLRP3 and AIM2 inflammasome activation.
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Affiliation(s)
- Pablo Galindo-Moreno
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
| | - Saray Montalvo-Acosta
- PhD Program in Clinical Medicine and Public Health, University of Granada, Granada, Spain
| | - Natividad Martín-Morales
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
- PhD Program in Biomedicine, University of Granada, Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, Granada, Spain
| | | | - Elena González-Rey
- Institute of Parasitology and Biomedicine Lopez-Neyra, IPBLN-CSIC, Parque Tecnologico de la Salud, Granada, Spain
| | - Francisco O'Valle
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, Granada, Spain
- Institute of Biopathology and Regenerative Medicine (IBIMER, CIBM), University of Granada, Granada, Spain
| | - Miguel Padial-Molina
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
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Nelson K, Hesse B, Addison O, Morrell AP, Gross C, Lagrange A, Suárez VI, Kohal R, Fretwurst T. Distribution and Chemical Speciation of Exogenous Micro- and Nanoparticles in Inflamed Soft Tissue Adjacent to Titanium and Ceramic Dental Implants. Anal Chem 2020; 92:14432-14443. [PMID: 32970419 DOI: 10.1021/acs.analchem.0c02416] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Degradation of the implant surface and particle release/formation as an inflammation catalyst mechanism is an emerging concept in dental medicine that may help explain the pathogenesis of peri-implantitis. The aim of the present study was a synchrotron-based characterization of micro- and nanosized implant-related particles in inflamed human tissues around titanium and ceramic dental implants that exhibited signs of peri-implantitis. Size, distribution, and chemical speciation of the exogenous micro- and nanosized particle content were evaluated using synchrotron μ-X-ray fluorescence spectroscopy (XRF), nano-XRF, and μ-X-ray absorption near-edge structure (XANES). Titanium particles, with variable speciation, were detected in all tissue sections associated with titanium implants. Ceramic particles were found in five out of eight tissue samples associated with ceramic implants. Particles ranged in size from micro- to nanoscale. The local density of both titanium and ceramic particles was calculated to be as high as ∼40 million particles/mm3. μ-XANES identified titanium in predominantly two different chemistries, including metallic and titanium dioxide (TiO2). The findings highlight the propensity for particle accumulation in the inflamed tissues around dental implants and will help in guiding toxicological studies to determine the biological significance of such exposures.
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Affiliation(s)
- Katja Nelson
- Department of Oral- and Craniomaxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Bernhard Hesse
- Xploraytion GmbH, Bismarckstrasse 10-12, 10625 Berlin, Germany.,European Synchrotron Radiation Facility (ESRF), 71 avenue des Martyrs, 38043 Grenoble, France
| | - Owen Addison
- Centre for Oral, Clinical & Translational Sciences, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, Guy's Hospital, Great Maze Pond, SE1 9RT London, U.K
| | - Alexander P Morrell
- Centre for Oral, Clinical & Translational Sciences, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, Guy's Hospital, Great Maze Pond, SE1 9RT London, U.K
| | - Christian Gross
- Department of Oral- and Craniomaxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Adrien Lagrange
- Xploraytion GmbH, Bismarckstrasse 10-12, 10625 Berlin, Germany
| | - Vanessa I Suárez
- European Synchrotron Radiation Facility (ESRF), 71 avenue des Martyrs, 38043 Grenoble, France
| | - Ralf Kohal
- Department of Prosthetic Dentistry, Faculty of Medicine, Medical Center-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Tobias Fretwurst
- Department of Oral- and Craniomaxillofacial Surgery/Translational Implantology, Faculty of Medicine, Medical Center-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
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