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Abdalla HB, Puhl L, Rivas CA, Wu YC, Rojas P, Trindade-da-Silva CA, Hammock BD, Maddipati KR, Soares MQS, Clemente-Napimoga JT, Kantarci A, Napimoga MH, Van Dyke TE. Modulating the sEH/EETs Axis Restrains Specialized Proresolving Mediator Impairment and Regulates T Cell Imbalance in Experimental Periodontitis. J Immunol 2024; 212:433-445. [PMID: 38117781 PMCID: PMC10866374 DOI: 10.4049/jimmunol.2300650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 11/26/2023] [Indexed: 12/22/2023]
Abstract
Epoxyeicosatrienoic acids (EETs) and other epoxy fatty acids are short-acting lipids involved in resolution of inflammation. Their short half-life, due to its metabolism by soluble epoxide hydrolase (sEH), limits their effects. Specialized proresolving mediators (SPMs) are endogenous regulatory lipids insufficiently synthesized in uncontrolled and chronic inflammation. Using an experimental periodontitis model, we pharmacologically inhibited sEH, examining its impact on T cell activation and systemic SPM production. In humans, we analyzed sEH in the gingival tissue of periodontitis patients. Mice were treated with sEH inhibitor (sEHi) and/or EETs before ligature placement and treated for 14 d. Bone parameters were assessed by microcomputed tomography and methylene blue staining. Blood plasma metabololipidomics were carried out to quantify SPM levels. We also determined T cell activation by reverse transcription-quantitative PCR and flow cytometry in cervical lymph nodes. Human gingival samples were collected to analyze sEH using ELISA and electrophoresis. Data reveal that pharmacological sEHi abrogated bone resorption and preserved bone architecture. Metabololipidomics revealed that sEHi enhances lipoxin A4, lipoxin B4, resolvin E2, and resolvin D6. An increased percentage of regulatory T cells over Th17 was noted in sEHi-treated mice. Lastly, inflamed human gingival tissues presented higher levels and expression of sEH than did healthy gingivae, being positively correlated with periodontitis severity. Our findings indicate that sEHi preserves bone architecture and stimulates SPM production, associated with regulatory actions on T cells favoring resolution of inflammation. Because sEH is enhanced in human gingivae from patients with periodontitis and connected with disease severity, inhibition may prove to be an attractive target for managing osteolytic inflammatory diseases.
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Affiliation(s)
- Henrique B. Abdalla
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
- Faculdade São Leopoldo Mandic, Campinas, SP, Brazil
| | - Luciano Puhl
- Faculdade São Leopoldo Mandic, Campinas, SP, Brazil
| | - Carla Alvarez Rivas
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
- Harvard School of Dental Medicine, Boston, MA, USA
| | - Yu-Chiao Wu
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
- Harvard School of Dental Medicine, Boston, MA, USA
| | - Paola Rojas
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
| | | | - Bruce D. Hammock
- Department of Entomology and UCD Comprehensive Cancer Center, University of California, Davis, CA, USA
| | | | | | | | - Alpdogan Kantarci
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
| | | | - Thomas E. Van Dyke
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
- Department of Oral Medicine, Infection, and Immunity, Faculty of Medicine, Harvard University, Boston, MA, USA
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Abdalla HB, Alvarez C, Wu YC, Rojas P, Hammock BD, Maddipati KR, Trindade-da-Silva CA, Soares MQS, Clemente-Napimoga JT, Kantarci A, Napimoga MH, Van Dyke TE. Soluble epoxide hydrolase inhibition enhances production of specialized pro-resolving lipid mediator and promotes macrophage plasticity. Br J Pharmacol 2023; 180:1597-1615. [PMID: 36508312 PMCID: PMC10175184 DOI: 10.1111/bph.16009] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/25/2022] [Accepted: 10/10/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND PURPOSE Epoxyeicosatrienoic acids (EETs) and other epoxy fatty acids (EpFA) are lipid mediators that are rapidly inactivated by soluble epoxide hydrolase (sEH). Uncontrolled and chronic inflammatory disorders fail to sufficiently activate endogenous regulatory pathways, including the production of specialized pro-resolving mediators (SPMs). Here, we addressed the relationship between SPMs and the EET/sEH axis and explored the effects of sEH inhibition on resolving macrophage phenotype. EXPERIMENTAL APPROACH Mice were treated with a sEH inhibitor, EETs, or sEH inhibitor + EETs (combination) before ligature placement to induce experimental periodontitis. Using RT-qPCR, gingival samples were used to examine SPM receptors and osteolytic and inflammatory biomarkers. Maxillary alveolar bone loss was quantified by micro-CT and methylene blue staining. SPM levels were analysed by salivary metabolo-lipidomics. Gingival macrophage phenotype plasticity was determined by RT-qPCR and flow cytometry. Effects of sEH inhibition on macrophage polarization and SPM production were assessed with bone marrow-derived macrophages (BMDMs). KEY RESULTS Pharmacological inhibition of sEH suppressed bone resorption and the inflammatory cytokine storm in experimental periodontitis. Lipidomic analysis revealed that sEH inhibition augmented levels of LXA4, RvE1, RvE2, and 4-HDoHE, concomitant with up-regulation of LTB4R1, CMKLR1/ChemR23, and ALX/FPR2 SPM receptors. Notably, there is an impact on gingival macrophage plasticity was affected suggesting an inflammation resolving phenotype with sEH inhibition. In BMDMs, sEH inhibition reduced inflammatory macrophage activation, and resolving macrophages were triggered to produce SPMs. CONCLUSION AND IMPLICATIONS Pharmacological sEH inhibition increased SPM synthesis associated with resolving macrophages, suggesting a potential target to control osteolytic inflammatory disorders.
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Affiliation(s)
- Henrique B Abdalla
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
| | - Carla Alvarez
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
| | - Yu-Chiao Wu
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
- Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Paola Rojas
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
| | - Bruce D Hammock
- Department of Entomology and UCD Comprehensive Cancer Center, University of California, Davis, California, USA
| | | | - Carlos Antonio Trindade-da-Silva
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
| | - Mariana Q S Soares
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
| | - Juliana T Clemente-Napimoga
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
| | - Alpdogan Kantarci
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
| | - Marcelo H Napimoga
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
| | - Thomas E Van Dyke
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, Massachusetts, USA
- Department of Oral Medicine, Infection, and Immunity, Faculty of Medicine, Harvard University, Boston, Massachusetts, USA
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Soares MQS, Van Dessel J, Jacobs R, Ferreira GZ, da Silva Santos PS, Nicolielo LF, Duarte MAH, Rubira‐Bullen IRF. High doses of zoledronic acid induce differential effects on femur and jawbone microstructure. Clin Exp Dent Res 2022; 8:1487-1495. [PMID: 35933703 PMCID: PMC9760133 DOI: 10.1002/cre2.643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVES The aim of this study is to investigate the long-term effects on jaw and femur bone induced by oncologic doses of zoledronic acid in a young rat model. MATERIAL AND METHODS Six 12-week-old male Wistar rats received zoledronic acid (0.6 mg/kg) and six control rats received saline solution in the same volume. Compounds were administered intraperitoneally in five doses every 28 days. Euthanasia was performed 150 days after therapy onset. After animal sacrifice, their mandibles and femurs were scanned ex vivo using a high-resolution (14 μm) micro-computed tomography. Morphometric bone parameters were calculated using CT-Analyzer (Bruker, Belgium) between the first and second mandibular molars and in the distal femur metaphysis and epiphysis. RESULTS The treatment group as compared to the controls showed a significantly (p < .05) increased bone quantity (↑BV/TV, ↓Po[Tot], ↑Tb.Th), bone density (↑TMD, ↑BMD), and osteosclerosis of the trabecular bone (↓Tb.Sp, ↓Conn.Dn, ↓Tb.Pf, ↓SMI) in all anatomical sites. Bone remodeling suppression due to zoledronic acid treatment was more pronounced (p < .05) in the femoral metaphysis relative to the mandible and epiphysis. The exploratory linear discriminant analysis showed that for the mandible, it was mainly the bone quantity-related morphometric indices (BV/TV and Tb.Th), while for the femoral epiphysis and metaphysis, it was bone structure-related (Tb.Pf and Tb.N), which are of primary importance to study the treatment effect. CONCLUSION High doses of bisphosphonates can differently affect the bone quantity, density, and structure in long bones and jawbones. In the metaphysis, bone changes were primarily concentrated in the region of the growth plate. Future studies may consider the use of bone morphometric indices to evaluate the effect of bisphosphonates.
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Affiliation(s)
- Mariana Q. S. Soares
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of DentistryUniversity of São PauloBauruBrazil,OMFS‐IMPATH Research Group, Department of Imaging and PathologyFaculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals LeuvenLeuvenBelgium,Division of Oral RadiologyFaculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo MandicCampinasBrazil
| | - Jeroen Van Dessel
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of DentistryUniversity of São PauloBauruBrazil,OMFS‐IMPATH Research Group, Department of Imaging and PathologyFaculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals LeuvenLeuvenBelgium
| | - Reinhilde Jacobs
- OMFS‐IMPATH Research Group, Department of Imaging and PathologyFaculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals LeuvenLeuvenBelgium,Department of Dental MedicineKarolinska InstitutetStockholmSweden
| | - Gustavo Z. Ferreira
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of DentistryUniversity of São PauloBauruBrazil,Department of Surgery and Stomatology, School of DentistryUniversity Center of MaringáMaringáBrazil
| | - Paulo Sérgio da Silva Santos
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of DentistryUniversity of São PauloBauruBrazil
| | - Laura F. P. Nicolielo
- OMFS‐IMPATH Research Group, Department of Imaging and PathologyFaculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals LeuvenLeuvenBelgium
| | - Marco A. H. Duarte
- Department of Dentistry, Endodontics and Dental Materials, Bauru School of DentistryUniversity of São PauloBauruBrazil
| | - Izabel R. F. Rubira‐Bullen
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of DentistryUniversity of São PauloBauruBrazil
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Leite DDFC, Costa ALF, Appenzeller S, Campos PSF, Soares MQS, Martins JS, Prado GD, Panzarella FK. Magnetic resonance imaging assessment of juvenile idiopathic arthritis using OMERACT and EuroTMjoint classifications. Int J Oral Maxillofac Surg 2022; 51:1473-1481. [PMID: 35597667 DOI: 10.1016/j.ijom.2022.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 04/13/2022] [Accepted: 04/21/2022] [Indexed: 10/18/2022]
Abstract
This retrospective case-control study compared inflammatory and structural damage in the temporomandibular joint of patients with juvenile idiopathic arthritis (JIA) and its subtypes and healthy patients using the Outcome Measures in Rheumatology Clinical Trials (OMERACT) and EuroTMjoint classifications. Correlations between the scores of the two classifications and time of diagnosis were evaluated. Twenty-nine JIA patients and 48 age-matched healthy participants were examined. TMJ images on each side were considered individually. Oligoarticular and polyarticular subtypes were present in 44.8% and 55.2% of patients, respectively. The JIA group presented a higher frequency and more severe signs of inflammatory and structural changes (P < 0.05), except for effusion (P = 0.83). The polyarticular subtype showed a higher change intensity. The time of JIA diagnosis was not correlated with inflammatory and structural changes. Positive correlations between inflammation and bone deformity scores were observed for the EuroTMjoint classification (r = 0.462, P < 0.001; low correlation) and OMERACT classification (r = 0.737, P < 0.001; high correlation). Positive correlations between the OMERACT and EuroTMjoint classifications were found for inflammation score (r = 0.907, P < 0.001; very high correlation) and bone deformity score (r = 0.854, P < 0.001; high correlation). Both classifications showed a higher frequency and intensity of inflammation and bone deformity in JIA patients. The results of this study suggest that the appropriate management of inflammation may reduce the potential for structural damage to the TMJ.
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Affiliation(s)
- D de F C Leite
- Oral Radiology Division, São Leopoldo Mandic Research Institute, Campinas, São Paulo, Brazil
| | - A L F Costa
- Postgraduate Program in Dentistry, Cruzeiro do Sul University (UNICSUL), São Paulo, São Paulo, Brazil
| | - S Appenzeller
- Rheumatology Unit, Department of Orthopedics, Rheumatology and Traumatology, School of Medical Science, University of Campinas, São Paulo, Brazil
| | - P S F Campos
- Department of Oral Radiology, Federal University of Bahia, Salvador, Bahia, Brazil
| | - M Q S Soares
- Oral Radiology Division, São Leopoldo Mandic Research Institute, Campinas, São Paulo, Brazil
| | - J S Martins
- Medical Pathophysiology, School of Medical Science, University of Campinas, São Paulo, Brazil
| | - G D Prado
- Department of Oral Radiology, Federal University of Bahia, Salvador, Bahia, Brazil
| | - F K Panzarella
- Oral Radiology Division, São Leopoldo Mandic Research Institute, Campinas, São Paulo, Brazil.
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Simpione G, Caldas RJ, Soares MQS, Rubira-Bullen IRF, Santos PSS. Tomographic study of Jaw bone changes in patients with bisphosphonate-related osteonecrosis. J Clin Exp Dent 2020; 12:e285-e290. [PMID: 32190200 PMCID: PMC7071540 DOI: 10.4317/jced.56265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 01/08/2020] [Indexed: 11/11/2022] Open
Abstract
Background Bisphosphonates (BP) are synthetic pyrophosphate-like substances with antiresorptive properties and specifically affect osteoclastic activity. In 2007, the American Association of Oral and Maxillofacial Surgeons (AAOMS) defined diagnostic criteria for Osteonecrosis of the Jaws Associated with Bisphosponates (BRONJ). BRONJ is mainly diagnosed by clinical features, but the detection of early bone changes by imaging may help prevent and better understand the disease. The objective of this study was to evaluate maxillary changes in CBCT in patients using BP.
Material and Methods All included patients were diagnosed with osteonecrosis and received bisphosphonate drugs in the last ten years. All imaging examinations were obtained by I-CAT and 3D Accuitomo. The multiplanar reconstructions were analyzed by an examiner without knowledge of the clinical aspects and location of the lesions.
Results The study sample consisted of 21 patients, the majority of the sample represented patients with cancer (76.2%), the other patients had osteoporosis (23.8%). Only four patients (19.04%) received alendronate, while intravenous bisphosphonates, such as zoledronate and pamidronate, represented the treatment of most of our sample. Most of our patients presented stage 1 and 2 MRONJ (85.7%), whose lesions were mainly observed in the mandible (52.4%). Fifty-seven percent of the patients had at least one bone change.
Conclusions In BRONJ, bone changes vary between exposed and non-exposed areas and one aspect of the study was: persistent extraction cavities in the BRONJ lesion region and high frequency of periodontal ligament space widening in areas that are not involved in BRONJ lesions. This reflects the very important role of dental and periodontal diseases in the pathophysiology of BRONJ. Thus, preventive measures should be prioritized for patients exposed to anti-resorptive drugs. Key words:Cone-Beam computed tomography, osteonecrosis, bisphosphonate-associated osteonecrosis of the jaw.
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Affiliation(s)
- Guilherme Simpione
- Master student, Bauru School of Dentistry, University of Sao Paulo, Brazil
| | | | - Mariana Q S Soares
- Post-doctoral student Bauru School of Dentistry, University of Sao Paulo, Brazil
| | - Izabel R F Rubira-Bullen
- Associate Professor, Department of Surgery, Stomatology, Radiology and Pathology, Faculty of Dentistry of Bauru - USP
| | - Paulo S S Santos
- Associate Professor, Department of Surgery, Stomatology, Radiology and Pathology, Faculty of Dentistry of Bauru - USP
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