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Cui SJ, Yang FJ, Wang XD, Mao ZB, Gu Y. Mechanical overload induces TMJ disc degeneration via TRPV4 activation. Oral Dis 2024; 30:1416-1428. [PMID: 37103670 DOI: 10.1111/odi.14595] [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: 11/02/2022] [Revised: 03/07/2023] [Accepted: 04/13/2023] [Indexed: 04/28/2023]
Abstract
OBJECTIVE The temporomandibular joint (TMJ) disc cushions intraarticular stress during mandibular movements. While mechanical overloading is related to cartilage degeneration, the pathogenesis of TMJ disc degeneration is unclear. Here, we determined the regulatory role of mechanoinductive transient receptor potential vanilloid 4 (TRPV4) in mechanical overload-induced TMJ disc degeneration. METHODS We explored the effect of mechanical overload on the TMJ discs in a rat occlusal interference model in vivo, and by applying sustained compressive force in vitro. TRPV4 inhibition was delivered by small interfering RNA or GSK2193874; TRPV4 activation was delivered by GSK1016790A. The protective effect of TRPV4 inhibition was validated in the rat occlusal interference model. RESULTS Occlusal interference induced TMJ disc degeneration with enhanced extracellular matrix degradation in vivo and mechanical overload promoted inflammatory responses in the TMJ disc cells via Ca2+ influx with significantly upregulated TRPV4. TRPV4 inhibition reversed mechanical overload-induced inflammatory responses; TRPV4 activation simulated mechanical overload-induced inflammatory responses. Moreover, TRPV4 inhibition alleviated TMJ disc degeneration in the rat occlusal interference model. CONCLUSION Our findings suggest TRPV4 plays a pivotal role in the pathogenesis of mechanical overload-induced TMJ disc degeneration and may be a promising target for the treatment of degenerative changes of the TMJ disc.
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Affiliation(s)
- Sheng-Jie Cui
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Fu-Jia Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Xue-Dong Wang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Ze-Bin Mao
- Department of Biochemistry and Biophysics, Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, Peking University Health Science Center, Beijing, China
| | - Yan Gu
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
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Minervini G, Marrapodi MM, La Verde M, Meto A, Siurkel Y, Ronsivalle V, Cicciù M. Pregnancy related factors and temporomandibular disorders evaluated through the diagnostic criteria for temporomandibular disorders (DC/TMD) axis II: a cross sectional study. BMC Oral Health 2024; 24:226. [PMID: 38350935 PMCID: PMC10863208 DOI: 10.1186/s12903-024-03930-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 01/23/2024] [Indexed: 02/15/2024] Open
Abstract
INTRODUCTION Temporomandibular disorder (TMD) is a multifaceted condition impacting the chewing system, with its frequency varying across different age groups and showing a higher incidence in women. The involvement of estrogen in TMD has been examined due to the presence of estrogen receptors in the TMJ area. However, the exact effect of estrogen on TMD is complex. During pregnancy, marked by significant hormonal fluctuations, the impact on TMD has been hypothesized but remains unclear due to inconsistent results from various studies. METHODS In this cross-sectional study, we enrolled 32 pregnant women consecutively. We gathered information on demographics, TMD evaluations (using the Graded Chronic Pain Scale, Jaw Functional Limitation Scale-20, and Oral Behaviors Checklist), and mental health assessments (including Patient Health Questionnaire-9, Patient Health Questionnaire-15, and Generalized Anxiety Disorder-7). We employed descriptive statistics to summarize continuous and categorical data and used t-tests and chi-square tests for comparisons. We also conducted multivariate linear regression, adjusted for demographic factors, to investigate correlations. RESULTS The study group mainly consisted of women aged 30-35 (40.6%) and 25-30 (18.8%). Most participants had completed high school (50%) and were married (71.9%). A notable association was found between younger women (under 30) and higher levels of somatic symptoms (p = 0.008) and generalized anxiety (p = 0.015). Women in their second trimester showed lower severity of somatic symptoms (p = 0.04). A significant link was also observed between depression severity and somatic symptom severity (p = 0.01). However, we found no significant correlations with other TMD-related health aspects. DISCUSSION Our study identified significant associations between psychosomatic and psychological symptoms with variables like age and pregnancy trimester in pregnant women. However, it notably failed to establish a clear relationship between pregnancy-related factors and the severity of temporomandibular disorders (TMD). More comprehensive studies with larger participant pools are necessary to further validate and expand these findings.
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Affiliation(s)
- Giuseppe Minervini
- Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, Tamil Nadu, India.
- Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania "Luigi Vanvitelli", Naples, 80121, Italy.
| | - Maria Maddalena Marrapodi
- Department of Woman, Child and General and Specialized Surgery, Obstetrics and Gynecology Unit, University of Campania "Luigi Vanvitelli", Largo Madonna delle Grazie 1, Naples, 80138, Italy
| | - Marco La Verde
- Department of Woman, Child and General and Specialized Surgery, Obstetrics and Gynecology Unit, University of Campania "Luigi Vanvitelli", Largo Madonna delle Grazie 1, Naples, 80138, Italy.
| | - Aida Meto
- Department of Dentistry, Faculty of Dental Medicine, University of Aldent, Tirana, Albania
- Clinical Microbiology, School of Dentistry, University of Modena and Reggio Emilia, Modena, Italy
| | - Yuliia Siurkel
- International European University School of Medicine, Akademika Hlushkova Ave, 42В, Kyiv, 03187, Ukraine.
| | - Vincenzo Ronsivalle
- Department of Biomedical and Surgical and Biomedical Sciences, Catania University, Catania, 95123, Italy
| | - Marco Cicciù
- Department of Biomedical and Surgical and Biomedical Sciences, Catania University, Catania, 95123, Italy
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Ceotto BH, Figueroba SR, Ferreira LEN, Amorim KS, Sánchez JB, Gercina AC, Dos Santos VAB, Groppo FC. The effect of association of aspirin and omega 3 in rat temporomandibular joint with induced arthritis. Ann Anat 2021; 239:151812. [PMID: 34384858 DOI: 10.1016/j.aanat.2021.151812] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/16/2021] [Accepted: 07/21/2021] [Indexed: 11/29/2022]
Abstract
This study aimed to evaluate the effects of omega-3 (ω3) polyunsaturated fatty acids, in association with aspirin (AA), on the morphology of cytokine release in the temporomandibular joint (TMJ) of rats induced with rheumatoid arthritis (IR) by injecting 100 μL of complete Freund's adjuvant with bovine type II collagen at the tail base. Thirty-two adult male rats were divided into treatment groups: Sham, treated with 0.9% sodium chloride (NaCl) p.o.; IR-control, treated with 0.9% NaCl p.o.; IR-ω3 treated with ω3 PUFAS (85 mg/kg/day p.o.); and IR-ω3 + AA treated with ω3 (85 mg/kg/day p.o.) + AA (20 mg/kg/day i.p.). After maintained treatment for seven days, the animals were euthanized. Bilateral TMJs from each rat were removed and one was subjected to histological immunoassays and enzyme-linked immunosorbent assays to assess interleukin (IL)-1β, tumor necrosis factor-α, and IL-10 levels. Data analysis was performed using the Kruskal-Wallis and Dunn tests. In the IR-ω3 and IR-ω3 + AA groups, the TMJ was greater than in the IR-control group (P < 0.0001). The addition of AA did not improve the effects of ω3 (P = 0.0698). Similarly, the addition of AA conferred no additional effects on the cytokine levels (P > 0.05); however, it increased the proteoglycan density, compared with ω3 alone. We found that ω3 exhibited anti-inflammatory activity in arthritic rats, and the addition of AA increased proteoglycan density, but did not affect cytokine expression.
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Affiliation(s)
- Beatriz H Ceotto
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Sidney R Figueroba
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Luiz Eduardo N Ferreira
- Laboratory of Inflammation and Immunology, Guarulhos University, Guarulhos, São Paulo, Brazil.
| | - Klinger S Amorim
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Jonny B Sánchez
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Anne Caroline Gercina
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Victor Augusto B Dos Santos
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
| | - Francisco C Groppo
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas - UNICAMP - Piracicaba, São Paulo, Brazil.
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Chandel V, Raj S, Kumar P, Gupta S, Dhasmana A, Kesari KK, Ruokolainen J, Mehra P, Das BC, Kamal MA, Kumar D. Metabolic regulation in HPV associated head and neck squamous cell carcinoma. Life Sci 2020; 258:118236. [PMID: 32795537 DOI: 10.1016/j.lfs.2020.118236] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/25/2020] [Accepted: 08/05/2020] [Indexed: 12/13/2022]
Abstract
Cancer cells exhibit distinct energy metabolic pathways due to multiple oncogenic events. In normoxia condition, the anaerobic glycolysis (Warburg effect) is highly observed in head and neck squamous cell carcinoma (HNSCC). HNSCC is associated with smoking, chewing tobacco, consumption of alcohol or Human Papillomavirus (HPV) infection primarily HPV16. In recent years, the correlation of HPV with HNSCC has significantly expanded. Despite the recent advancement in therapeutic approaches, the rate of HPV infected HNSCC has significantly increased in the last few years, specifically, in lower middle-income countries. The oncoproteins of High-risk Human Papillomavirus (HR-HPV), E6 and E7, alter the metabolic phenotype in HNSCC, which is distinct from non-HPV associated HNSCC. These oncoproteins, modulate the cell cycle and metabolic signalling through interacting with tumor suppressor proteins, p53 and pRb. Since, metabolic alteration represents a major hallmark for tumorigenesis, HPV acts as a source of biomarker linked to cancer progression in HNSCC. The dependency of cancer cells to specific nutrients and alteration of various metabolic associated genes may provide a unique opportunity for pharmacological intervention in HPV infected HNSCC. In this review, we have discussed the molecular mechanism (s) and metabolic regulation in HNSCC depending on the HPV status. We have also discussed the possible potential therapeutic approaches for HPV associated HNSCC through targeting metabolic pathways.
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Affiliation(s)
- Vaishali Chandel
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India
| | - Sibi Raj
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India
| | - Prabhat Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India
| | - Shilpi Gupta
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India
| | - Anupam Dhasmana
- Himalayan School of Biosciences, Swami Rama Himalayan University, Swami Ram Nagar, Jolly Grant, Doiwala, Dehradun 248016, India; Department of Immunology and Microbiology, School of Medicine, University of Rio Grande Valley, McAllen, TX, USA
| | - Kavindra Kumar Kesari
- Department of Applied Physics, School of Science, Aalto University, Espoo 02150, Finland
| | - Janne Ruokolainen
- Department of Applied Physics, School of Science, Aalto University, Espoo 02150, Finland
| | - Pravesh Mehra
- Department of Oral and Maxillofacial surgery, Lady Hardinge Medical College, New Delhi, India
| | - Bhudev C Das
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah 21589, Saudi Arabia; Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia; Novel Global Community Educational Foundation, NSW, Australia
| | - Dhruv Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University UttarPradesh, Sec 125, Noida 201303, India.
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Fichera G, Polizzi A, Scapellato S, Palazzo G, Indelicato F. Craniomandibular Disorders in Pregnant Women: An Epidemiological Survey. J Funct Morphol Kinesiol 2020; 5:E36. [PMID: 33467252 PMCID: PMC7739292 DOI: 10.3390/jfmk5020036] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/28/2020] [Accepted: 06/01/2020] [Indexed: 11/16/2022] Open
Abstract
Temporomandibular joint (TMJ) disorder has been reported to be 1.5 to two times more common in women than men. Such a gender-based difference could be attributed to behavioral, hormonal, anatomical, and psychological characteristics. Physiological hormonal differences between genders could be one of the possible explanations for the higher incidence of temporomandibular disorder (TMD) in women. As the plasma level of certain female hormones increases during gestation, it could be assumed that there is a higher prevalence of dysfunctional signs and symptoms in pregnant women. We performed an epidemiological survey based on screening for TMD in a group of 108 pregnant women and found that 72% of young women reported significant signs of TMJ disorders, 9% of the young women reported mild signs of TMJ disorders, and 19% of the included subjects reported no signs or symptoms of TMD. The presence of estrogen receptors in the temporomandibular joint of female baboons could be the basis of an explanation for the increased prevalence of dysfunction in young women reported in the literature and the high feedback we have seen of joint noises in pregnant women. On the basis of the present findings, it could be assumed that gestation period could represent a risk factor for craniomandibular dysfunctions.
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Affiliation(s)
- Grazia Fichera
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124 Catania, Italy; (G.F.); (S.S.); (G.P.); (F.I.)
| | - Alessandro Polizzi
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124 Catania, Italy; (G.F.); (S.S.); (G.P.); (F.I.)
| | - Simone Scapellato
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124 Catania, Italy; (G.F.); (S.S.); (G.P.); (F.I.)
- Department of Biomedical, Odontostomatological Sciences and of Morphological and Functional Images, University of Messina, 98125 Messina, Italy
| | - Giuseppe Palazzo
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124 Catania, Italy; (G.F.); (S.S.); (G.P.); (F.I.)
| | - Francesco Indelicato
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124 Catania, Italy; (G.F.); (S.S.); (G.P.); (F.I.)
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Loreto C, Filetti V, Almeida LE, La Rosa GRM, Leonardi R, Grippaudo C, Lo Giudice A. MMP-7 and MMP-9 are overexpressed in the synovial tissue from severe temporomandibular joint dysfunction. Eur J Histochem 2020; 64. [PMID: 32312031 PMCID: PMC7171425 DOI: 10.4081/ejh.2020.3113] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 03/27/2020] [Indexed: 11/29/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are tissue-enzymes that play a key role during the remodeling process, such as in inflammatory diseases. MMP-7 and MMP-9 have been shown to be implicated in extracellular matrix homeostasis and in joint disc remodeling. The objective of this study was to determine the relation of MMP-7 and MMP-9 expression with severe temporomandibular joint dysfunction, in particular with anterior disk displacement without reduction (ADDwoR), using an immunohistochemical approach. Therefore, twenty human temporomandibular synovia in the test group and ten in the control group were collected. The results showed there was a statistically significant difference (P<0.001) for morphometric and densitometric analysis of both detected MMPs in control and test groups. In conclusion, MMP-7 and MMP-9 were overexpressed in the synovial tissue of patients with ADDwoR.
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Affiliation(s)
- Carla Loreto
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, University of Catania.
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La Rosa GRM, Gattuso G, Pedullà E, Rapisarda E, Nicolosi D, Salmeri M. Association of oral dysbiosis with oral cancer development. Oncol Lett 2020; 19:3045-3058. [PMID: 32211076 PMCID: PMC7079586 DOI: 10.3892/ol.2020.11441] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/04/2019] [Indexed: 12/11/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is the leading cause of mortality for oral cancer. Numerous risk factors mainly related to unhealthy habits and responsible for chronic inflammation and infections have been recognized as predisposing factors for oral carcinogenesis. Recently, even microbiota alterations have been associated with the development of human cancers. In particular, some specific bacterial strains have been recognized and strongly associated with oral cancer development (Capnocytophaga gingivalis, Fusobacterium spp., Streptococcus spp., Peptostreptococcus spp., Porphyromonas gingivalis and Prevotella spp.). Several hypotheses have been proposed to explain how the oral microbiota could be involved in cancer pathogenesis by mainly paying attention to chronic inflammation, microbial synthesis of cancerogenic substances, and alteration of epithelial barrier integrity. Based on knowledge of the carcinogenic effects of dysbiosis, it was recently suggested that probiotics may have anti-tumoral activity. Nevertheless, few data exist with regard to probiotic effects on oral cancer. On this basis, the association between the development of oral cancer and oral dysbiosis is discussed focusing attention on the potential benefits of probiotics administration in cancer prevention.
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Affiliation(s)
- Giusy Rita Maria La Rosa
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, I-95125 Catania, Italy.,Department of Biomedical and Biotechnological Sciences, International PhD Program in Basic and Applied Biomedical Sciences, University of Catania, I-95123 Catania, Italy
| | - Giuseppe Gattuso
- Department of Biomedical and Biotechnological Sciences, International PhD Program in Basic and Applied Biomedical Sciences, University of Catania, I-95123 Catania, Italy.,Department of Biomedical and Biotechnological Sciences, University of Catania, I-95123 Catania, Italy
| | - Eugenio Pedullà
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, I-95125 Catania, Italy
| | - Ernesto Rapisarda
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, I-95125 Catania, Italy
| | - Daria Nicolosi
- Department of Biomedical and Biotechnological Sciences, University of Catania, I-95123 Catania, Italy
| | - Mario Salmeri
- Department of Biomedical and Biotechnological Sciences, University of Catania, I-95123 Catania, Italy.,Department of Biomedical and Biotechnological Sciences, Research Center for Prevention, Diagnosis and Treatment of Cancer, University of Catania, I-95123 Catania, Italy
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Almeida LE, Hresko K, Sorenson A, Butcher S, Tayebi L, Leonardi R, Loreto C, Bosio J, Camejo F, Doetzer A. Immunohistochemical expression of TLR-4 in temporomandibular joint dysfunction. Cranio 2018; 37:323-328. [PMID: 29609510 DOI: 10.1080/08869634.2018.1446770] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Objective Toll-like receptor 4 (TLR-4) is a transmembrane protein involved in the innate immune system and has been implicated in the pathogenesis of temporomandibular joint dysfunction (TMD). The purpose of this study was to histologically examine the level of expression of TLR-4 relative to severity of TMD. Methods Thirty-one human TMJ disc samples were immunostained for TLR-4 and evaluated for intensity of stain. Among the samples, 8 were control samples, 16 were from patients with anterior disc displacement with reduction (ADDwR), and 7 were from patients with anterior disc displacement without reduction (ADDwoR). Results There was no statistically significant difference in intensity of stain between groupings (p = 0.673). Conclusions The results indicate a negative correlation between TMD and the expression of TLR-4.
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Affiliation(s)
- Luis Eduardo Almeida
- a Oral Surgery, Surgical Sciences Department, School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Kyle Hresko
- a Oral Surgery, Surgical Sciences Department, School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Adam Sorenson
- a Oral Surgery, Surgical Sciences Department, School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Seth Butcher
- a Oral Surgery, Surgical Sciences Department, School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Lobat Tayebi
- a Oral Surgery, Surgical Sciences Department, School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Rosalia Leonardi
- b Department of Bio-Medical Sciences, Anatomy Section, University of Catania , Catania , Italy
| | - Carla Loreto
- b Department of Bio-Medical Sciences, Anatomy Section, University of Catania , Catania , Italy
| | - Jose Bosio
- c Orthodontic Department, School of Dentistry, University of Maryland , Baltimore , MD , USA
| | | | - Andrea Doetzer
- e School of Health and Bioscience, Pontifical Catholic University of Parana State , Curitiba , Brazil
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Michaelis M, Lucius R, Wiltfang J, Birkenfeld F. Determination of VEGF, collagen type 1 and versican in the discus articularis of the temporomandibular joint in relation to dental status. J Craniomaxillofac Surg 2017; 46:67-74. [PMID: 29198579 DOI: 10.1016/j.jcms.2017.09.013] [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: 02/02/2017] [Revised: 07/08/2017] [Accepted: 09/14/2017] [Indexed: 10/18/2022] Open
Abstract
The aim of this study was the investigation and comparison of the presence of vascular endothelial growth factor (VEGF), collagen type 1 and the proteoglycan versican in the discus articularis in relation to dental status (full dentition [1], partial dentition [2] and edentulous [3]). The right disci articulares were removed from 17 donated bodies (6 with full dentition, 5 with partial dentition and 6 edentulous). The specimens were immunohistochemically stained for VEGF, collagen type 1 and versican. Semiquantitative analysis of the disci was conducted within the groups based on the intensity of immunoreactivity of VEGF, collagen type 1 and versican. In addition, a pairwise comparison was carried out between the three experimental groups. The results revealed significantly higher immunoreactivity for VEGF and versican in groups 2 and 3 than in group 1. Conversely, determination of immunoreactivity was significantly higher in group 1 for collagen type 1 than in the other two groups. These results indicate an elevated presence of the proteoglycan versican and the neoangiogenesis factor VEGF when the occlusal supporting zone has been lost. By contrast, detection of collagen type 1 is reduced. The loss of collagen type 1 and rise in versican and VEGF suggest increasing degeneration when the supporting zone is lost due to the loss of teeth.
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Affiliation(s)
- Malte Michaelis
- Institute of Anatomy (Head: Prof. Dr. Ralph Lucius), Christian-Albrechts-University of Kiel, Olshausenstraße 40, 24118 Kiel, Germany
| | - Ralph Lucius
- Institute of Anatomy (Head: Prof. Dr. Ralph Lucius), Christian-Albrechts-University of Kiel, Olshausenstraße 40, 24118 Kiel, Germany
| | - Jörg Wiltfang
- Department of Oral and Maxillofacial Surgery (Head: Prof. Dr. Dr. Jörg Wiltfang), University Hospital Schleswig-Holstein, Arnold-Heller-Straße 16, 24105 Kiel, Germany
| | - Falk Birkenfeld
- Department of Oral and Maxillofacial Surgery (Head: Prof. Dr. Dr. Jörg Wiltfang), University Hospital Schleswig-Holstein, Arnold-Heller-Straße 16, 24105 Kiel, Germany.
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Sorenson A, Hresko K, Butcher S, Pierce S, Tramontina V, Leonardi R, Loreto C, Bosio J, Almeida LE. Expression of Interleukin-1 and temporomandibular disorder: Contemporary review of the literature. Cranio 2017. [PMID: 28629271 DOI: 10.1080/08869634.2017.1342890] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Temporomandibular disorders (TMD) are a group of conditions affecting the temporomandibular joint (TMJ), leading to jaw dysfunction, joint and muscle pain, and a decrease in quality of life. A communication network of pro- and anti-inflammatory mediators called cytokines maintains the homeostasis of the TMJ. This review will focus on the Interleukin (IL) family of cytokines, which have been quantified in TMJ synovial fluids in a variety of studies. IL-1α and IL-1β have pro-inflammatory effects, while the endogenous receptor antagonist (IL-1RA) inhibits the pro-inflammatory effects of IL-1. METHODS A literature search (2006-2016) to identify eligible studies was completed using the PubMed database. Studies identified used saline irrigation to quantify cytokine profiles in synovial fluid of healthy and/or dysfunctional joints. RESULTS The initial search yielded 111 articles, 5 of which met the inclusion criteria after inter-reviewer discussion. CONCLUSIONS Articles that compared IL-1 concentrations in TMD vs. control groups found significant differences.
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Affiliation(s)
- Adam Sorenson
- a Surgical Sciences Department, Oral Surgery , School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Kyle Hresko
- a Surgical Sciences Department, Oral Surgery , School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Seth Butcher
- a Surgical Sciences Department, Oral Surgery , School of Dentistry, Marquette University , Milwaukee , WI , USA
| | - Sean Pierce
- b OMFS Department , School of Dentistry, University of California, Los Angeles (UCLA) , Los Angeles , CA , USA
| | - Vinicius Tramontina
- c Periodontic Department , School of Dentistry, Pontificia Universidade Catolica do Parana , Curitiba , Brazil
| | - Rosalia Leonardi
- d Orthodontic Department , School of Dentistry, Catania University , Catania , Italy
| | - Carla Loreto
- e Anatomy Department , School of Medicine, Catania University , Catania , Italy
| | - Jose Bosio
- f Orthodontic Department , School of Dentistry, University of Maryland , Baltimore , MD , USA
| | - Luis Eduardo Almeida
- a Surgical Sciences Department, Oral Surgery , School of Dentistry, Marquette University , Milwaukee , WI , USA
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Almeida LE, Pierce S, Zacharias J, Cullinan W, Noronha L, Olandoski M, Tramontina V, Loreto C, Leonardi R. Immunohistochemical analysis of IL-1 beta in the discs of patients with temporomandibular joint dysfunction. Cranio 2016; 35:233-237. [DOI: 10.1080/08869634.2016.1207911] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Luis Eduardo Almeida
- Oral Sciences Department, Oral Surgery, School of Dentistry, Marquette University, Milwaukee, WI, USA
| | - Sean Pierce
- Oral Sciences Department, Oral Surgery, School of Dentistry, Marquette University, Milwaukee, WI, USA
| | - Joseph Zacharias
- Oral Sciences Department, Oral Surgery, School of Dentistry, Marquette University, Milwaukee, WI, USA
| | - William Cullinan
- Biomedical Sciences, College of Health Sciences, Marquette University, Milwaukee, WI, USA
| | - Lucia Noronha
- School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | - Marcia Olandoski
- School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | - Vinicius Tramontina
- Periodontics Department, School of Dentistry, Pontifícia Universidade Católica do Paraná, Curitiba, Parana, Brazil
| | - Carla Loreto
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, University of Catania, Catania, Italy
| | - Rosalia Leonardi
- Department of Surgical Sciences, University of Catania, Catania, Italy
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Fazaeli S, Ghazanfari S, Everts V, Smit TH, Koolstra JH. The contribution of collagen fibers to the mechanical compressive properties of the temporomandibular joint disc. Osteoarthritis Cartilage 2016; 24:1292-301. [PMID: 26828357 DOI: 10.1016/j.joca.2016.01.138] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 01/06/2016] [Accepted: 01/19/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The Temporomandibular Joint (TMJ) disc is a fibrocartilaginous structure located between the mandibular condyle and the temporal bone, facilitating smooth movements of the jaw. The load-bearing properties of its anisotropic collagenous network have been well characterized under tensile loading conditions. However, recently it has also been speculated that the collagen fibers may contribute dominantly in reinforcing the disc under compression. Therefore, in this study, the structural-functional role of collagen fibers in mechanical compressive properties of TMJ disc was investigated. DESIGN Intact porcine TMJ discs were enzymatically digested with collagenase to disrupt the collagenous network of the cartilage. The digested and non-digested articular discs were analyzed mechanically, biochemically and histologically in five various regions. These tests included: (1) cyclic compression tests, (2) biochemical quantification of collagen and glycosaminoglycan (GAG) content and (3) visualization of collagen fibers' alignment by polarized light microscopy (PLM). RESULTS The instantaneous compressive moduli of the articular discs were reduced by as much as 50-90% depending on the region after the collagenase treatment. The energy dissipation properties of the digested discs showed a similar tendency. Biochemical analysis of the digested samples demonstrated an average of 14% and 35% loss in collagen and GAG, respectively. Despite the low reduction of collagen content the PLM images showed considerable perturbation of the collagenous network of the TMJ disc. CONCLUSIONS The results indicated that even mild disruption of collagen fibers can lead to substantial mechanical softening of TMJ disc undermining its reinforcement and mechanical stability under compression.
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Affiliation(s)
- S Fazaeli
- Department of Oral Cell Biology and Functional Anatomy - Academic Center for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands; MOVE Research Institute Amsterdam, The Netherlands.
| | - S Ghazanfari
- Department of Orthopaedic Surgery - VUmc, Amsterdam, The Netherlands; MOVE Research Institute Amsterdam, The Netherlands.
| | - V Everts
- Department of Oral Cell Biology and Functional Anatomy - Academic Center for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands; MOVE Research Institute Amsterdam, The Netherlands.
| | - T H Smit
- Department of Orthopaedic Surgery - VUmc, Amsterdam, The Netherlands; MOVE Research Institute Amsterdam, The Netherlands.
| | - J H Koolstra
- Department of Oral Cell Biology and Functional Anatomy - Academic Center for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands; MOVE Research Institute Amsterdam, The Netherlands.
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Kang YH, Bok JS, Park BW, Choi MJ, Kim JE, Byun JH. Assessment of functional improvement with temporalis myofascial flap after condylectomy in elderly patients with anterior disc displacement without reduction and an erosive condylar surface. Maxillofac Plast Reconstr Surg 2015; 37:23. [PMID: 26280009 PMCID: PMC4531137 DOI: 10.1186/s40902-015-0025-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 08/03/2015] [Indexed: 11/30/2022] Open
Abstract
Background The purpose of this study was to investigate the functional effects of temporalis myofascial flap after condylectomy, with or without disc removal, in elderly patients with anterior disc displacement (ADD) without reduction and an erosive condylar surface of the temporomandibular joint (TMJ). Methods A total of 15 joints from 11 elderly patients (71–78 years old) were included. The patients had pain, mandibular dysfunction symptoms, and unilateral or bilateral ADD as well as an erosive condylar surface of the TMJ. All patients underwent temporalis myofascial flap reconstruction after condylectomy, with or without disc removal. If the maximal mouth opening (MMO) remained <35 mm after condylectomy, coronoidotomy was also performed. Self-assessed pain and mandibular function, including MMO and protrusive and lateral movements, were evaluated. Results No patient experienced serious complications. Most measurements improved significantly after surgery compared to preoperatively. Most patients achieved nearly-normal mouth opening at 4 weeks after surgery. Although most patients felt discomfort during active postoperative physiotherapy, no patient reported serious pain during the follow-up period. Conclusion Although nonsurgical therapy is often the first treatment choice for ADD without reduction of the TMJ, surgical intervention involving condylectomy and temporalis myofascial flap reconstruction may be a reasonable first option for elderly patients with an erosive condylar surface of the TMJ.
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Affiliation(s)
- Young-Hoon Kang
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, Gyeongsang National University School of Medicine, Chilam-dong, Jinju 660-702 South Korea
| | - Jung-Suk Bok
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, Gyeongsang National University School of Medicine, Chilam-dong, Jinju 660-702 South Korea
| | - Bong-Wook Park
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, Gyeongsang National University School of Medicine, Chilam-dong, Jinju 660-702 South Korea
| | - Mun-Jeoung Choi
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, Gyeongsang National University School of Medicine, Chilam-dong, Jinju 660-702 South Korea
| | - Ji-Eun Kim
- Department of Radiology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, South Korea
| | - June-Ho Byun
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, Gyeongsang National University School of Medicine, Chilam-dong, Jinju 660-702 South Korea
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14
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Leonardi R, Crimi S, Almeida LE, Pannone G, Musumeci G, Castorina S, Rusu MC, Loreto C. ADAMTS-4 and ADAMTS-5 expression in human temporomandibular joint discs with internal derangement, correlates with degeneration. J Oral Pathol Med 2014; 44:870-5. [DOI: 10.1111/jop.12295] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Rosalia Leonardi
- Department of Orthodontics and Orofacial Pain; University of Catania; Catania Italy
| | - Salvatore Crimi
- Department of Maxillofacial Surgery; University of Messina; Messina Italy
| | | | - Giuseppe Pannone
- Department of Surgical Sciences; Institute of Pathology and Cytopathology; University of Foggia; Foggia Italy
| | - Giuseppe Musumeci
- Department of Bio-Medical Sciences; Anatomy Section; University of Catania; Catania Italy
| | - Sergio Castorina
- Department of Bio-Medical Sciences; Anatomy Section; University of Catania; Catania Italy
| | - Mugurel Constantin Rusu
- Division of Anatomy; Faculty of Dental Medicine; ‘Carol Davila’ University of Medicine and Pharmacy; Bucharest Romania
| | - Carla Loreto
- Department of Bio-Medical Sciences; Anatomy Section; University of Catania; Catania Italy
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15
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Rusu MC, Loreto C, Mănoiu VS. Network of telocytes in the temporomandibular joint disc of rats. Acta Histochem 2014; 116:663-8. [PMID: 24439756 DOI: 10.1016/j.acthis.2013.12.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Revised: 12/05/2013] [Accepted: 12/08/2013] [Indexed: 02/03/2023]
Abstract
The phenotypes of the temporomandibular joint (TMJ) disc cells range from fibroblasts to chondrocytes. There are relatively few reported studies using transmission electron microscopy (TEM) to determine the ultrastructural features of these cells. It was hypothesized that at least a subpopulation of TMJ stromal cells could be represented by the telocytes, cells with telopodes. In this regard a TEM study was performed on rat TMJ samples. Collagen-embedded networks were found built-up by cells with telopodes with subplasmalemmal caveolae, moderate content in matrix secretory organelles and well-represented intermediate filaments. Appositions of cell bodies were found. Prolongations of such cells were closely related to nerves and microvessels. Our study indicates that the TMJ disc attachment seems equipped with telocytes capable of stromal signaling. However, further studies are needed to assess whether the telocytes belong to a renewed cell population derived from circulating precursors.
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Musumeci G, Castrogiovanni P, Mazzone V, Szychlinska MA, Castorina S, Loreto C. Histochemistry as a unique approach for investigating normal and osteoarthritic cartilage. Eur J Histochem 2014; 58:2371. [PMID: 24998926 PMCID: PMC4083326 DOI: 10.4081/ejh.2014.2371] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Accepted: 03/11/2014] [Indexed: 12/21/2022] Open
Abstract
In this review article, we describe benefits and disadvantages of the established histochemical methods for studying articular cartilage tissue under normal, pathological and experimental conditions. We illustrate the current knowledge on cartilage tissue based on histological and immunohistochemical aspects, and in conclusion we provide a short overview on the degeneration of cartilage, such as osteoarthritis. Adult articular cartilage has low capacity to repair itself, and thus even minor injuries may lead to progressive damage and osteoarthritic joint degeneration, resulting in significant pain and disability. Numerous efforts have been made to implement the knowledge in the study of cartilage in the last years, and histochemistry proved to be an especially powerful tool to this aim.
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Ruptured disc after arthroscopic repositioning in the temporomandibular joint: a retrospective magnetic resonance imaging study. Br J Oral Maxillofac Surg 2014; 52:545-50. [PMID: 24736122 DOI: 10.1016/j.bjoms.2014.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 03/08/2014] [Indexed: 11/24/2022]
Abstract
Our aim was to explore the incidence of rupture after arthroscopic repositioning of the disc of the temporomandibular joint (TMJ) by reviewing magnetic resonance images (MRI) of the TMJ taken before and after operation, and to investigate correlations retrospectively. We studied 247 patients with anterior disc displacement of the TMJ, and categorised them into 3 groups based on the postoperative MRI. The first group comprised those whose disc ruptured after repositioning, the second those who had a possible rupture of the disc after repositioning, and the third had no rupture of the disc after repositioning. Age, sex, duration of symptoms, maximum incisal mouth opening, whether the anterior disc displacement was unilateral or bilateral, and the Wilkes stage, were included in the analysis. The incidence of rupture (5/247) was 2%. Weak points at the intermediate zone of the disc were found in 4 of the 5 joints. The patients whose discs ruptured were significantly younger than the other 2 groups (p=0.001). There was no statistically significant difference in preoperative duration of symptoms and mouth opening among the groups. The proportions of unilateral and bilateral disc displacement (p=0.047) and Wilkes stage (p=0.027) differed among the 3 groups. The Wilkes stages was significantly more advanced in the ruptured group than in the other 2 groups (p=0.027) with 4/5 being bilateral. The weak point in the intermediate zone of the disc on MRI could be a sign of rupture. Teenagers and young adults with anterior disc displacement without reduction, particularly those in whom it is bilateral, are at a higher risk of a rupture after repositioning of the disc by arthroscopy.
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18
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Characterization of degenerative changes in the temporomandibular joint of the bengal tiger (Panthera tigris tigris) and siberian tiger (Panthera tigris altaica). J Comp Pathol 2013; 149:495-502. [PMID: 23809909 DOI: 10.1016/j.jcpa.2013.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Revised: 03/25/2013] [Accepted: 05/08/2013] [Indexed: 11/20/2022]
Abstract
The articulation of the temporomandibular joint (TMJ) is composed of the temporal bone dorsally, the mandibular condyle ventrally and a fibrous articular disc. The TMJ disc plays an essential role in distributing load between the two articular surfaces. Degeneration of the disc in the presence of joint pathology has been shown in man; however, TMJ pathology has not been documented previously in tigers (Panthera tigris). The mandibular condyle and TMJ disc of a Bengal tiger (P. tigris tigris) and a Siberian tiger (P. tigris altaica) were evaluated grossly and the TMJ disc was characterized biochemically and mechanically. Characterization of the TMJ disc verified region- and direction-dependent biochemical and mechanical properties, reflective of the functional demands on the joint. Degenerative joint disease was observed in both cases and this was more severe in the Siberian tiger. Simultaneous evaluation of joint pathology, biochemical composition and mechanical properties of the TMJ disc revealed a loss in functional properties (tensile anisotropy) of the disc as joint pathology advanced from moderate to severe. TMJ degeneration may compromise the ability of the animal to eat and thrive and may be a factor contributing to the endangered status of these species.
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Caltabiano R, Leonardi R, Musumeci G, Bartoloni G, Rusu MC, Almeida LE, Loreto C. Apoptosis in temporomandibular joint disc with internal derangement involves mitochondrial-dependent pathways. An in vivo study. Acta Odontol Scand 2013; 71:577-83. [PMID: 22783811 DOI: 10.3109/00016357.2012.700060] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Two main apoptosis pathways have been identified: an extrinsic (or death receptor-mediated) and an intrinsic (or mitochondrial) pathway. Apoptotic cell death through the extrinsic pathway has just been described in temporomandibular joint disc (TMJ) with internal derangement (ID); in contrast, no data are available on the involvement of the intrinsic pathway in this tissue. The aim of this work was to investigate whether the intrinsic pathway participates in apoptosis activation in patients with TMJ ID and anterior disc displacement without reduction. MATERIALS AND METHODS Apoptosis activation was studied in TMJ discs from 15 patients with ID and in six unaffected discs using bcl-2-associated X protein (bax), B-cell lymphoma 2 (bcl-2), cytochrome c and caspase 9 immunohistochemistry. A correlation was sought between immunohistochemical findings and degree of disc damage. RESULTS None of the pathological TMJ disc sections were immunopositive for bcl-2; negative bcl-2 immunostaining was detected in affected discs; cytochrome c and caspase 9 immunoreactivity was greater in pathological compared to unaffected discs; the difference was significant and correlated with histopathological degeneration score data (Spearman's rho = 0.617). CONCLUSION The present findings suggest that in-human TMJ with ID and anterior disc displacement without reduction of cell apoptosis occurs, at least partly, via the mitochondrial pathway, which contributes to the subsequent disc degeneration. These data may have clinical implications and could help devise improved treatment strategies.
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Affiliation(s)
- Rosario Caltabiano
- Department G.F. Ingrassia, Section of Anatomic Pathology, University of Catania, Catania, Italy.
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20
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Loreto C, Leonardi R, Musumeci G, Pannone G, Castorina S. An ex vivo study on immunohistochemical localization of MMP-7 and MMP-9 in temporomandibular joint discs with internal derangement. Eur J Histochem 2013; 57:e12. [PMID: 23807291 PMCID: PMC3794338 DOI: 10.4081/ejh.2013.e12] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2012] [Revised: 01/07/2013] [Accepted: 02/04/2013] [Indexed: 02/04/2023] Open
Abstract
Internal derangement (ID) is among the most common disorders of the temporomandibular joint (TMJ). Previous research by our group highlighted a correlation between apoptosis and TMJ ID. Metalloproteinases (MMP)-7 and -9 have been shown to play an important role in extracellular matrix ECM) homeostasis and, through it, in joint disc remodelling. The immunohistochemical expression of MMP-7 and -9 was investigated in discs from patients with TMJ ID and from healthy donors and compared with the degree of histological tissue degeneration. The collagen fibre arrangement in pathological discs exhibited varying degrees of disruption. New vessels were consistently detected; endothelial cells from these vessels were immunolabelled with both MMP-7 and MMP-9. More or less intense MMP-7 and MMP-9 immunolabelling was detected in the cytoplasm of disc cells from all patients. MMP-7 and MMP-9 immunostaining was significantly different between pathological and normal discs and correlated with the extent of histopathological degeneration. MMP-7 and MMP-9 upregulation in discs from patients with TMJ ID demonstrates their involvement in disc damage in this disorder. A greater understanding of these processes could help identify ways to curb MMP overproduction without affecting their tissue remodelling action. The design of specific inhibitors for these MMPs would not only help to gain insights into the biological roles of MMPs, but would also aid in developing therapeutic interventions for diseases associated with abnormal ECM degradation.
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Affiliation(s)
- C Loreto
- Department of Bio-Medical Sciences, Anatomy Section, University of Catania, 95123 Catania, Italy.
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Sicurezza E, Loreto C, Musumeci G, Almeida LE, Rusu M, Grasso C, Leonardi R. Expression of β-defensin 4 on temporomandibular joint discs with anterior displacement without reduction. J Craniomaxillofac Surg 2013; 41:821-5. [PMID: 23453269 DOI: 10.1016/j.jcms.2013.01.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2012] [Revised: 01/09/2013] [Accepted: 01/10/2013] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVES β-defensin-4 is a member of antimicrobial peptides (APs) of the immunity system. This molecule has antimicrobial activity but it seems to be involved in articular inflammatory processes too, as it happens during osteoarthritic disease (OA). Considering the possible relation existing between (OA) and temporomandibular disorders (TMD), the aim of our study was to evaluate immunohistochemically the presence of β- defensin-4 in pathological temporomandibular joint (TMJ) discs affected by internal derangement without reduction (ADDwoR). DESIGN Eighteen TMJ-displaced disc specimens were considered in this study and were analysed by immunohistochemical evaluation. They were compared with a control sample of sixteen healthy discs and two scores, intensity of staining (IS) and extent score (ES) were estimated. RESULTS Findings of our analysis showed a significant difference between control and study sample (P < 0.001). IS and ES of control sample and pathological sample were 1 and 4 respectively. CONCLUSION Our results confirmed the presence of β-defensin-4 in human TMJ discs affected by ADDwoR, hypothesing a possible role of this molecule in articular bone disruption.
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Affiliation(s)
- Edoardo Sicurezza
- Department of Dentistry, Faculty of Dentistry-University of Catania, Policlinico Universitario, Italy.
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Cao Y, Xia C, Wang S, He S, Wamalwa P, Chen S. Application of magnetic resonance T2 mapping in the temporomandibular joints. Oral Surg Oral Med Oral Pathol Oral Radiol 2012; 114:644-9. [DOI: 10.1016/j.oooo.2012.05.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 05/25/2012] [Accepted: 05/30/2012] [Indexed: 11/15/2022]
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Loreto C, Galanti C, Almeida LE, Leonardi R, Pannone G, Musumeci G, Carnazza ML, Caltabiano R. Expression and localization of aquaporin-1 in temporomandibular joint disc with internal derangement. J Oral Pathol Med 2012; 41:642-7. [DOI: 10.1111/j.1600-0714.2012.01156.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Magara J, Nozawa-Inoue K, Suzuki A, Kawano Y, Ono K, Nomura S, Maeda T. Alterations in intermediate filaments expression in disc cells from the rat temporomandibular joint following exposure to continuous compressive force. J Anat 2012; 220:612-21. [PMID: 22458657 DOI: 10.1111/j.1469-7580.2012.01501.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The articular disc in the temporomandibular joint (TMJ) that serves in load relief and stabilizing in jaw movements is a dense collagenous tissue consisting of extracellular matrices and disc cells. The various morphological configurations of the disc cells have given us diverse names, such as fibroblasts, chondrocyte-like cells and fibrochondrocytes; however, the characteristics of these cells have remained to be elucidated in detail. The disc cells have been reported to exhibit heterogeneous immunoreaction patterns for intermediate filaments including glial fibrillary acidic protein (GFAP), nestin and vimentin in the adult rat TMJ. Because these intermediate filaments accumulate in the disc cells as tooth eruption proceeds during postnatal development, it might be surmised that the expression of these intermediate filaments in the disc cells closely relates to mechanical stress. The present study was therefore undertaken to examine the effect of a continuous compressive force on the immunoexpression of these intermediate filaments and an additional intermediate filament - muscle-specific desmin - in the disc cells of the TMJ disc using a rat experimental model. The rats wore an appliance that exerts a continuous compressive load on the TMJ. The experimental period with the appliance was 5 days as determined by previous studies, after which some experimental animals were allowed to survive another 5 days after removal of the appliance. Histological observations demonstrated that the compressive force provoked a remarkable acellular region and a decrease in the thickness of the condylar cartilage of the mandible, and a sparse collagen fiber distribution in the articular disc. The articular disc showed a significant increase in the number of desmin-positive cells as compared with the controls. In contrast, immunopositive cells for GFAP, nestin and vimentin remained unchanged in number as well as intensity. At 5 days after removal of the appliance, both the disc and cartilage exhibited immunohistological and histological features in a recovery process. These findings indicate that the mature articular cells are capable of producing desmin instead of the other intermediate filaments against mechanical stress. The desmin-positive disc cells lacked α-smooth muscle actin (α-SMA) in this study, even though desmin usually co-exists with α-SMA in the vascular smooth muscle cells or pericytes. Because the precursor of a pericyte has such an immunoexpression pattern during angiogenesis, there is a further possibility that the formation of new vessels commenced in response to the extraordinary compressive force.
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Affiliation(s)
- Jin Magara
- Division of Oral Anatomy, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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25
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Tumor necrosis factor-related apoptosis-inducing ligand expression correlates to temporomandibular joint disk degeneration. J Craniofac Surg 2011; 22:504-8. [PMID: 21403533 DOI: 10.1097/scs.0b013e3182087394] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
This study investigated if tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) immunohistochemical expression in human temporomandibular joint (TMJ)-degenerated disks correlates to the degree of tissue damage to elucidate the possible involvement of this apoptotic pathway in TMJ disk degeneration. Twenty-one TMJ displaced disk from 12 patients were affected by anterior disk displacement with reduction and 9 by anterior disk displacement without reduction processed immunohistochemically with TRAIL antibody. Histopathologic grading of the disk degeneration was carried out in each specimen. The mean histopathologic score of the TMJ degenerated disks was 4.77±1.26 (minimum, 2; maximum, 7). Immunolabeling for TRAIL was detected in the cytoplasm of the TMJ disk cells in every sample, although with different patterns of reactivity. The degree of TRAIL immunostaining was correlated to the histopathologic degeneration score obtained from the sample (Spearman ρ=0.617). Therefore, cell loss due to the involvement of TRAIL apoptotic pathway seems, in part, responsible for TMJ disk degeneration.
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26
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Loreto C, Almeida LE, Trevilatto P, Leonardi R. Apoptosis in displaced temporomandibular joint disc with and without reduction: an immunohistochemical study. J Oral Pathol Med 2011; 40:103-10. [PMID: 20738749 DOI: 10.1111/j.1600-0714.2010.00920.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Internal derangement (ID) of the temporomandibular joint (TMJ) is due to an abnormal relationship of the articular disc to the mandibular condyle, glenoid fossa and articular eminence. The two most common types of internal derangement are anterior disc displacement with (ADDwR) and without reduction (ADDwoR). Disc displacement is associated with degenerative tissue changes. The histological features of discs from patients with TMJ ID reflect a general remodelling caused by abnormal loading. A correlation has been demonstrated between TMJ ID and apoptosis. Few investigations have addressed the role of apoptosis or caspase activity in TMJ ID. The apoptosis activation process was studied in different areas of discs from 18 patients with ID (both ADDwR and ADDwoR) and four cadavers (controls), with emphasis on the expression of caspase 3, whose activation makes the death process irreversible. The results showed a greater proportion of caspase 3-positive cells in ADDwR and ADDwoR than in control discs. Immunopositivity also varied between disc areas; in particular, in ADDwoR sections labelled cells were significantly more numerous (P < 0.01) in the posterior disc attachment than in the anterior and intermediate bands. In addition, a significantly greater proportion of labelled cells was seen in the anterior (+) and intermediate (++) band of ADDwR compared with ADDwoR discs both bands (P < 0.05). These data suggest the importance of programmed cell death in the progression of TMJ ID.
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Affiliation(s)
- Carla Loreto
- Department of Anatomy, Diagnostic Pathology, Forensic Medicine, Hygiene and Public Health, University of Catania, Catania, Italy.
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27
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Limited fatty infiltration due to apoptosis in human degenerated temporomandibular joint disks: an immunohistochemical study. J Craniofac Surg 2011; 21:1508-11. [PMID: 20856040 DOI: 10.1097/scs.0b013e3181ef2dc9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
In this study, we hypothesized that caspase 3, which plays a central role in the execution phase of cell apoptosis, could be involved in limiting fatty degeneration of the temporomandibular joint (TMJ) disks and therefore inhibit the TMJ disk tissue from completely degenerating into fatty tissue. Therefore, caspase 3 immunohistochemical expression in human TMJ degenerated disks was studied. Fifty-nine degenerated TMJ disks were stained with Harry's hematoxylin, and they were then examined with light microscopy to detect any pathologic changes typical of fatty degeneration. Sections from the same TMJ disk were immunostained also by a polyclonal anti-caspase 3 antibody. On morphologic observations, 11 disks of 59 degenerated ones also presented a fatty infiltration. Immunostaining with caspase 3 antibody was detected on adipocytes in the cytoplasm as well as the nuclei. Our results sustain the hypothesis that fatty degeneration is limited by apoptosis, being adipocytes immunolabeled by caspase 3 antibody. Hence, apart from the several factors that can trigger degeneration changes in TMJ disk, their appearance, spread, and permanence, at least for fatty degeneration, seem to be influenced by apoptosis.
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Matsumoto T, Inayama M, Tojyo I, Kiga N, Fujita S. Expression of hyaluronan synthase 3 in deformed human temporomandibular joint discs: in vivo and in vitro studies. Eur J Histochem 2010; 54:e50. [PMID: 21263749 PMCID: PMC3167321 DOI: 10.4081/ejh.2010.e50] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Revised: 11/15/2010] [Accepted: 11/15/2010] [Indexed: 11/25/2022] Open
Abstract
The present study aimed at investigating the expression of a hyaluronan synthase (HAS) 3 in tissue samples of deformed human temporomandibular joint (TMJ) discs and cells obtained from the discs. Fifteen adult human TMJ discs (twelve diseased discs and three normal discs) were used in this study. The twelve diseased discs were obtained from twelve patients with internal derangement (ID) of TMJ. These patients all had anteriorly displaced discs and deformed discs. The tissues were immunohistochemically stained using HAS3 antibodies. In addition, the subcultured TMJ disc cells under both normal and hypoxic conditions (O2: 2%) were incubated for 3, 6, 12, and 24 h after addition of interleukin-1β (IL-1β) (1 ng/mL). Subsequently, the expression of HAS3 was examined using real-time reverse transcription-polymerase chain reaction (RT-PCR). The control group showed from negative to weak positive reactions for HAS3 on immunohistochemical staining. The discs extracted from twelve cases with ID presented from moderate to strong positive reactions for HAS3. The quantity of HAS3 mRNA was compared with a control group, and showed a 204-fold increase at 3 h, a 26-fold increase at 6 h, a 2.5-fold increase at 12 h and a 32-fold increase at 24 h under hypoxia with the addition of IL-1β. The expression of HAS3 mRNA was significantly enhanced at 3 h and 24 h. The results obtained suggest that HAS3 is related to the pathological changes of human TMJ discs affected by ID.
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Affiliation(s)
- T Matsumoto
- Department of Oral and Maxillofacial Surgery, Wakayama Medical University, Japan.
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Kiga N, Tojyo I, Matsumoto T, Hiraishi Y, Shinohara Y, Fujita S. Expression of lumican in the articular disc of the human temporomandibular joint. Eur J Histochem 2010; 54:e34. [PMID: 20819773 PMCID: PMC3167310 DOI: 10.4081/ejh.2010.e34] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2010] [Revised: 05/27/2010] [Accepted: 06/03/2010] [Indexed: 11/23/2022] Open
Abstract
Lumican belongs to the small leucine-rich repeat proteoglycan (SLRP) gene family and has been reported to exist in the cornea, intervertebral disc and tendon. Lumican plays a significant role in the assembly and regulation of collagen fibres. The human temporomandibular joint (TMJ) disc is made up of fibrocartilage with an extracellular matrix (ECM) composed of collagen and proteoglycans. The existence and behaviour of lumican have not been studied in the human TMJ disc. Therefore, we used immunohistochemical methods to detect lumican, CD34 and vascular endothelial growth factor (VEGF) and histochemical staining with toluidine blue in 13 human TMJ specimens (10 surgically removed and 3 obtained from autopsy). In both normal and deformed discs we observed staining with toluidine blue. We found that the area of metachromasia inside the deformed disc was uneven and expression of lumican was strong in the areas negative for metachromasia. Staining of VEGF and CD34 inside the deformed disc was seen. We confirmed the expression of lumican in the human TMJ disc and showed that a large number of fibroblast-like cells existed in the area of strong lumican expression. These new findings about the behaviour of lumican suggest that it may play a key role in the generation of a new collagen network by fibroblast-like cells.
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Affiliation(s)
- N Kiga
- Department of Oral and Maxillofacial Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Japan.
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Occurrence and regional distribution of TRAIL and DR5 on temporomandibular joint discs: comparison of disc derangement with and without reduction. ACTA ACUST UNITED AC 2010; 109:244-51. [DOI: 10.1016/j.tripleo.2009.09.028] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2009] [Revised: 09/16/2009] [Accepted: 09/18/2009] [Indexed: 11/24/2022]
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Loreto C, Almeida LE, Migliore MR, Caltabiano M, Leonardi R. TRAIL, DR5 and caspase 3-dependent apoptosis in vessels of diseased human temporomandibular joint disc. An immunohistochemical study. Eur J Histochem 2010; 54:e40. [PMID: 20839416 PMCID: PMC3167309 DOI: 10.4081/ejh.2010.e40] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Accepted: 08/05/2010] [Indexed: 01/16/2023] Open
Abstract
To evaluate the apoptosis involvement in the angiogenesis as a self-limiting process in patients with temporomandibular joint (TMJ) degenerated disc vessels, we assessed, by immunohistochemistry, the detection of TRAIL, its death receptor DR5 and caspase 3. TRAIL, its death receptor DR5 and caspase 3 expression were studied by immunohistochemistry in 15 TMJ discs displaced without reduction and in 4 unaffected discs. These apoptosis molecules were detected in the intima and media layers of newly formed vessels affected discs. In conclusion, vessels apoptosis activation in TMJ disc with ID could be regarded as a self-limiting process that try to leads to vessel regression; in this way an inhibition of angiogenic vessels may prove a key strategy in limiting pathological angiogenesis, by cutting off blood supply to tumors, or by reducing harmful inflammation.
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Affiliation(s)
- C Loreto
- Department of Anatomy, Diagnostic Pathology, Forensic Medicine, Hygiene and Public Health, University of Catania, via S. Sofia 87, Catania, Italy.
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