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Poomsawat S, Choakdeewanitthumrong S, Sanguansin S, Meesakul O, Kosanwat T. Immunohistochemical expression of SPARC in odontogenic keratocysts: a comparative study with other odontogenic cysts. BMC Oral Health 2024; 24:223. [PMID: 38347494 PMCID: PMC10863126 DOI: 10.1186/s12903-024-03978-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 02/03/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Secreted protein acidic and rich in cysteine (SPARC) has been shown to modulate aggressive behavior in several benign and malignant tumors. Little is known about SPARC expression in odontogenic keratocyst (OKC), an odontogenic cyst with an aggressive nature. To the best of our knowledge, only one study has been investigated the expression of this protein in OKCs. This study aimed to characterize SPARC expression in OKCs. Additionally, to determine whether SPARC is associated with aggressive behavior in OKCs, SPARC expression in OKCs was compared with radicular cysts (RCs), dentigerous cysts (DCs) and calcifying odontogenic cysts (COCs). These odontogenic cysts showed no or less aggressive behavior. METHODS SPARC expression was evaluated in 38 OKCs, 39 RCs, 35 DCs and 14 COCs using immunohistochemistry. The percentages of positive cells and the intensities of immunostaining in the epithelial lining and the cystic wall were evaluated and scored. RESULTS Generally, OKCs showed similar staining patterns to RCs, DCs and COCs. In the epithelial lining, SPARC was not detected, except for ghost cells in all COCs. In the cystic wall, the majority of positive cells were fibroblasts. Compared between 4 groups of odontogenic cysts, SPARC expression in OKCs was significantly higher than those of RCs (P < 0.001), DCs (P < 0.001) and COCs (P = 0.001). CONCLUSIONS A significant increase of SPARC expression in OKCs compared with RCs, DCs and COCs suggests that SPARC may play a role in the aggressive behavior of OKCs.
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Affiliation(s)
- Sopee Poomsawat
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Ratchathewi, Bangkok, 10400, Thailand
| | - Sirada Choakdeewanitthumrong
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Ratchathewi, Bangkok, 10400, Thailand
| | - Sirima Sanguansin
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Ounruean Meesakul
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Ratchathewi, Bangkok, 10400, Thailand
| | - Theerachai Kosanwat
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, 6 Yothi Street, Ratchathewi, Bangkok, 10400, Thailand.
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Choudhari S, Kulkarni D, Patankar S, Kheur S, Sarode S. Linking inflammation and angiogenesis with fibrogenesis: Expression of FXIIIA, MMP-9, and VEGF in oral submucous fibrosis. REVISTA ESPANOLA DE PATOLOGIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE ANATOMIA PATOLOGICA Y DE LA SOCIEDAD ESPANOLA DE CITOLOGIA 2024; 57:15-26. [PMID: 38246706 DOI: 10.1016/j.patol.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 11/24/2023] [Accepted: 11/29/2023] [Indexed: 01/23/2024]
Abstract
OBJECTIVES Interplay of Factor XIIIa (FXIIIa), a transglutaminase, responsible for cross-linking of matrix proteins, Matrix Metalloproteinase-9 (MMP-9), a gelatinase, and Vascular Endothelial Growth Factor (VEGF), an angiogenic inducer, were studied in relation to fibrogenesis and disease progression in oral submucous fibrosis (OSMF). MATERIAL AND METHODS Immunohistochemical expression of markers was studied in 60 formalin-fixed paraffin-embedded tissue blocks of OSMF and 20 normal oral mucosal tissues. FXIIIa was studied quantitatively while MMP-9 and VEGF were assessed semi-quantitatively. Expression was compared with histopathological grades of OSMF. RESULTS FXIIIa expression significantly increased in OSMF (p-value 0.000). However, expression decreased and cells became quiescent with increasing grades (p-value 0.000). MMP-9 (p-value epithelium 0.011, p-value connective tissue 0.000) and VEGF expression (p-value epithelium 0.000, connective tissue 0.000) increased in OSMF. A negative correlation between FXIIIa and MMP-9 (-0.653) in early grade (p-value of 0.021) and a positive correlation between FXIIIa and VEGF (0.595) (p-value of 0.032) was found in the moderate grade OSMF. Regression analysis showed a significant association (p<0.01) of FXIIIa in OSMF and with increasing grades of OSMF. CONCLUSION FXIIIa may play a crucial role in initiation of fibrosis in OSMF. MMP-9 may have a diverse role to play in OSMF as a regulator of fibrosis. VEGF may show an angio-fibrotic switch and contribute to fibrosis in OSMF. These cytokines may show altered function and can contribute to fibrosis and chronicity of disease due to changes in the microenvironment. Tissue stiffness in OSMF itself creates an environment that enhances the chronicity of the disease.
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Affiliation(s)
- Sheetal Choudhari
- Department of Oral Pathology & Microbiology, Yerala Dental College and Hospital, Kharghar 410210, Mumbai, India.
| | - Deepak Kulkarni
- Department of Oral and Maxillofacial Surgery, Dr. D.Y. Patil Dental College & Hospital, Pimpri 411018, Pune, India
| | - Sangeeta Patankar
- Department of Oral Pathology & Microbiology, Yerala Dental College and Hospital, Kharghar 410210, Mumbai, India
| | - Supriya Kheur
- Department of Oral Pathology & Microbiology, Dr. D.Y. Patil Dental College & Hospital, Pimpri, Pune 411018, India
| | - Sachin Sarode
- Department of Oral Pathology & Microbiology, Dr. D.Y. Patil Dental College & Hospital, Pimpri, Pune 411018, India
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Gene Expression and Immunochemistry Analysis of ADAMTS-1 and Versican in Ameloblastoma. Int J Dent 2022; 2022:5235376. [PMID: 36338393 PMCID: PMC9629950 DOI: 10.1155/2022/5235376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 09/23/2022] [Accepted: 10/11/2022] [Indexed: 11/23/2022] Open
Abstract
Background Ameloblastoma is a benign but locally invasive odontogenic epithelial tumor, associated with a high recurrence rate after treatment. The action of enzymes of the metalloproteinase family is important to the degraded extracellular matrix, contributing to invasion. Thus, this study aimed to investigate the gene and protein expression of ADAMTS-1 and versican in ameloblastoma. Materials and Methods Twenty cases of ameloblastoma (n = 20) and ten dental follicles (DF) (n = 10) were used as a source for immunochemistry and quantitative RT-PCR for determining the protein and mRNA expressions of the concerned genes, respectively. Moreover, western blot and indirect immunofluorescence analysis were performed in AME cells. Results ADAMTS-1 and versican were overexpressed in DF than ameloblastoma by RT-PCR. However, in the immunolocalization analysis, ADAMTS-1 was expressed in ameloblastoma more than in DF and versican immunostaining obtained a similar pattern between ameloblastoma and DF. Indirect immunofluorescence detected the ADAMTS-1 and versican expression in cell lines derived from ameloblastoma. Western blot from cell lysate and conditioned medium detected ADAMTS-1 bands representing full-length and different processed forms. Monensin treatment confined ADAMTS-1 in the cell cytoplasm. Versican fragments also were detected in different compartments, intracellular and conditioned medium, allowing the versican process by ADAMTS-1. Conclusion This study showed a distinct expression of ADAMTS-1 and versican in ameloblastoma and DF, with ADAMTS-1 protein higher expression observed in ameloblastoma and possibly cleaved versican. These findings suggested that ADAMTS-1 may participate in tumor invasion, especially for the degradation of substrates (versican) in the ECM.
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Choudhari S, Masne S, Bhandare P, Dhumal S. Molecular profiling of oral squamous cell carcinoma associated with oral submucous fibrosis. J Cancer Res Ther 2022; 18:55-65. [DOI: 10.4103/jcrt.jcrt_508_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Particulate matter exposure aggravates osteoarthritis severity. Clin Sci (Lond) 2020; 133:2171-2187. [PMID: 31696218 DOI: 10.1042/cs20190458] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 10/14/2019] [Accepted: 10/18/2019] [Indexed: 12/25/2022]
Abstract
Several diseases have been linked to particulate matter (PM) exposure. Outdoor activities, such as road running or jogging, are popular aerobic exercises due to few participatory limitations. Osteoarthritis (OA) is a progressive degenerative joint disease, usually observed at age 40, and not noticed before pain or diagnosis. Although exercise has health benefits, it is unclear whether outdoor jogging in higher PM (standard reference material 1649b, SRM 1649b) concentration environments could affect OA development or severity. Hence, a PM exposure monosodium iodoacetate (MIA)-induced OA animal jogged model was established for investigation. Results showed that high doses of PM (5 mg) significantly increased pro-inflammatory factors such as tumor necrosis factor α (TNF-α), interleukin (IL)-1β, and IL-6, and M1 macrophages in the lung region, also obtained in systemic IL-6 and TNF-α expressions in this MIA-OA rat model. Moreover, levels of osteocalcin, cartilage oligomeric matrix protein (COMP), and N-telopeptides of type I collagen were especially influenced in MIA+PM groups. Morphological and structural changes of the knee joint were detected by micro-computed tomography images (micro-CT) and immunohistochemistry. MIA + PM rats exhibited severe bone density decrease, cartilage wear, and structure damages, accompanied by lower levels of physical activity, than the sham group and groups receiving MIA or PM alone. The findings suggest that the severity of OA could be promoted by PM exposure with a PM concentration effect via systemic inflammatory mechanisms. To the best of our knowledge, this is the first study to provide direct effects of PM exposure on OA severity.
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Siar CH, Ng KH. Epithelial-to-mesenchymal transition in ameloblastoma: focus on morphologically evident mesenchymal phenotypic transition. Pathology 2019; 51:494-501. [PMID: 31262562 DOI: 10.1016/j.pathol.2019.04.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/08/2019] [Accepted: 04/14/2019] [Indexed: 01/06/2023]
Abstract
The ameloblastoma is the most common and clinically significant odontogenic epithelial neoplasm known for its locally-invasive behaviour and high recurrence risk. Epithelial-to-mesenchymal transition (EMT) is a fundamental process whereby epithelial cells lose their epithelial characteristics and gain mesenchymal properties. EMT induction via transcription repression has been investigated in ameloblastoma. However, morphologically evident mesenchymal phenotypic transition remains ill-defined. To determine this, 24 unicystic (UA), 34 solid/multicystic (SA) and 18 recurrent ameloblastoma (RA) were immunohistochemically examined for three EMT-related mesenchymal markers, alpha smooth muscle actin (α-SMA), osteonectin and neuronal cadherin (N-cadherin). All three factors were heterogeneously detected in ameloblastoma samples (α-SMA, n=71/76, 93.4%; osteonectin, n=72/76, 94.7%; N-cadherin, n=24/76, 31.6%). In the tumoural parenchyma, immunoreactive cells were not morphologically distinct from their non-reactive cellular counterparts. Rather, α-SMA and osteonectin predominantly labelled the cytoplasm of central polyhedral > peripheral columnar/cuboidal tumour cells. N-cadherin demonstrated weak-to-moderate circumferential membranous staining in both neoplastic cell types and cytoplasmic expression in spindle-celled epithelium of desmoplastic amelobastoma. For all tumour subsets, α-SMA and osteonectin scored significantly higher in the stroma > parenchyma whilst α-SMA was overexpressed along the tumour invasive front > centre (p<0.05). Stromal N-cadherin scored higher in SA > UA and RA > UA (p<0.05). Other clinicopathological parameters showed no significant associations. Taken together, acquisition of mesenchymal traits without morphologically evident mesenchymal alteration suggests partial EMT in ameloblastoma. Stromal upregulation of these proteins in SA and RA implicates a role in local invasiveness.
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Affiliation(s)
- Chong Huat Siar
- Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.
| | - Kok Han Ng
- formerly Unit of Stomatology, Institute for Medical Research, Kuala Lumpur, Malaysia
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Peng KT, Tsai MH, Lee CW, Chiang YC, Chen PC, Chen CC, Chang CH, Shih HN, Chang PJ. Dysregulated expression of antioxidant enzymes in polyethylene particle-induced periprosthetic inflammation and osteolysis. PLoS One 2018; 13:e0202501. [PMID: 30125327 PMCID: PMC6101395 DOI: 10.1371/journal.pone.0202501] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/03/2018] [Indexed: 01/01/2023] Open
Abstract
Small wear particles (0.1–10 μm) in total joint replacement are generally considered as the major causative agent leading to periprosthetic inflammation and osteolysis. However, little is known about the roles of larger wear particles (10–100 μm) in periprosthetic inflammation and osteolysis. Additionally, although ample studies demonstrated that increased oxidative stress is critically involved in particle-induced inflammation and osteolysis, detailed changes in antioxidant enzymes expression in the disease development remain largely unclear. Herein, we used a rat knee prosthesis model to assess effects of polyethylene (PE) particles (20–60 μm) on the levels of oxidative stress markers such as malondialdehyde (MDA) and total antioxidant capacity (TAC) in blood plasma, and on the expression profiles of antioxidant enzymes in knee joint tissues. In combination with a forced-exercise intervention for all surgical rats, we found that the rat groups treated with both artificial joint and PE particles exhibited higher MDA levels and lower TAC levels, together with lower levels of physical activity and higher levels of inflammatory markers, than the sham group and the groups receiving artificial joint or PE particles alone at weeks 20–24 post-operatively. Dose-response relationships between the exposure to PE particles and the induction of oxidative stress and inflammation were also observed in the artificial joint/PE groups. Under such conditions, we unexpectedly found that most of antioxidant enzymes displayed pronounced up-regulation, with concomitant induction of inflammatory and osteoclast-inducing factors (including IL-1β, NF-κB and RANKL), in the artificial joint/PE groups as compared to the sham, artificial joint only, or PE only group. Only a few antioxidant enzymes including SOD2 and GPx2 showed down-regulation. Collectively, our findings demonstrate that implantation of artificial joint along with large PE particles synergistically trigger the induction of oxidative stress; however, down-regulation of many antioxidant enzymes may not necessarily occur during the disease development.
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Affiliation(s)
- Kuo-Ti Peng
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
- College of Medicine, Chang-Gung University, Taoyuan, Taiwan
| | - Meng-Hsueh Tsai
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chiang-Wen Lee
- Division of Basic Medical Sciences, Department of Nursing, and Chronic Diseases and Health Promotion Research Center, Chang Gung Institute of Technology, Chiayi, Taiwan
| | - Yao-Chang Chiang
- Center for Drug Abuse and Addiction, China Medical University Hospital, Taichung, Taiwan
| | - Pei-Chun Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chun-Chieh Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chih-Hsiang Chang
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Hsin-Nung Shih
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan
- * E-mail: (PJC); (HNS)
| | - Pey-Jium Chang
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang-Gung University, Taoyuan, Taiwan
- Department of Nephrology, Chang-Gung Memorial Hospital, Chiayi, Taiwan
- * E-mail: (PJC); (HNS)
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Indirapriyadarsini K, Raghunath V, Naidu BV, Ramakrishna BB, Tangudu A, Lokesh KV. Immunohistochemical expression of osteonectin, matrix metalloproteinases-9 and Ki-67 in ameloblastoma. J Oral Maxillofac Pathol 2018; 22:446. [PMID: 30651703 PMCID: PMC6306611 DOI: 10.4103/jomfp.jomfp_271_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Background: Ameloblastoma (AM) is a benign odontogenic neoplasm characterized by local invasiveness and recurrence. We have evaluated the immunohistochemical expressions of osteonectin (ON), matrix metalloproteinase-9 (MMP-9) and Ki-67 in AM to understand the biologic behavior of this neoplasm. Aim: The aim of this study is to evaluate the expression of ON, MMP-9 and Ki-67 in AM. Materials and Methods: The study sample included archival tissues embedded in paraffin blocks histopathologically diagnosed as AM (20 cases). Three serial sections of each tissue specimen were stained separately with ON, MMP-9 and Ki-67 (immunohistochemistry stain) and evaluated. The data were analyzed using Spearman rank correlation test. Results: All AM cases 20/20 (100%) exhibited positive immunostaining for ON, MMP-9 and Ki-67. Conclusion: Increased expression of ON, MMP-9 and Ki-67 in AM indicates that these molecules might play a role in the regulation and aggressive nature of this neoplasm.
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Affiliation(s)
- K Indirapriyadarsini
- Department of Oral and Maxillofacial Pathology and Microbiology, CKS Theja Institute of Dental Science and Research, Tirupati, Andhra Pradesh, India
| | - Vandana Raghunath
- Department of Oral and Maxillofacial Pathology and Microbiology, Narayana Dental College, Nellore, Andhra Pradesh, India
| | - B Venu Naidu
- Department of Oral and Maxillofacial Pathology and Microbiology, Anil Neerukonda Institute of Dental Sciences, Visakhapatnam, Andhra Pradesh, India
| | - Botu Badari Ramakrishna
- Department of Oral Medicine and Radiology, Anil Neerukonda Institute of Dental Sciences, Visakhapatnam, Andhra Pradesh, India
| | - Archana Tangudu
- Department of Periodontics, Anil Neerukonda Institute of Dental Sciences, Visakhapatnam, Andhra Pradesh, India
| | - K V Lokesh
- Department of Oral Medicine and Radiology, Anil Neerukonda Institute of Dental Sciences, Visakhapatnam, Andhra Pradesh, India
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In phyllodes tumors of the breast expression of SPARC (osteonectin/BM40) mRNA by in situ hybridization correlates with protein expression by immunohistochemistry and is associated with tumor progression. Virchows Arch 2016; 470:91-98. [PMID: 27909812 DOI: 10.1007/s00428-016-2048-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 09/18/2016] [Accepted: 11/18/2016] [Indexed: 12/18/2022]
Abstract
Secreted protein acidic and rich in cysteine (SPARC) plays an essential role in tumor invasion and metastasis. The present work was undertaken to detect expression of SPARC mRNA in phyllodes tumors (PTs) and its association with SPARC protein expression. This study also evaluated expression of SPARC mRNA and its correlation between grade and clinical behavior of PTs. In addition, we assessed in PTs the association of expression of SPARC with that of matrix metalloproteinase (MMP)-2 and of MMP-9. SPARC mRNA expression was determined by RNAscope in situ hybridization (ISH) in 50 benign, 22 borderline, and 10 malignant PTs using a tissue microarray. Furthermore, we applied immunohistochemistry (IHC) to examine expression of SPARC, MMP-2, and MMP-9. SPARC mRNA appeared to be concentrated mainly in the stromal compartment of PTs. IHC staining patterns of SPARC protein showed concordance with SPARC mRNA ISH results. Stromal SPARC expression increased continuously as PTs progress from benign through borderline to malignant PTs, both at mRNA (using ISH) (P = 0.044) and protein level (using IHC) (P = 0.000). The recurrence percentage was higher in the stromal SPARC mRNA or protein-positive group than in the SPARC-negative group but this difference was not statistically significant. Stromal SPARC mRNA and protein expression was associated with PT grade and correlated with MMP-2 expression. These results indicate that SPARC-mediated degradation of the extracellular matrix, and its possible association with MMPs, might contribute to progression of PTs.
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Nagi R, Sahu S, Rakesh N. Molecular and genetic aspects in the etiopathogenesis of ameloblastoma: An update. J Oral Maxillofac Pathol 2016; 20:497-504. [PMID: 27721617 PMCID: PMC5051300 DOI: 10.4103/0973-029x.190954] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 08/04/2016] [Indexed: 02/02/2023] Open
Abstract
Ameloblastoma is the second most common benign epithelial odontogenic tumor and though it is of a benign nature, it is locally invasive, has a high recurrence rate and could potentially become malignant. Many theories have been proposed to explain the pathogenesis of ameloblastoma. Proper understanding of the pathogenic mechanism involved in ameloblastoma and its proliferation aids in constituting proper treatment of choice at an early stage, preventing morbidity associated with extensive therapy. An attempt has been made to discuss the current concepts related to molecular and genetic changes that occur in ameloblastoma as these could affect treatment plan and prognosis.
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Affiliation(s)
- Ravleen Nagi
- Department of Oral Medicine and Radiology, New Horizon Dental College and Research Institute, Bilaspur, Chhattisgarh, India
| | - Shashikant Sahu
- Department of Plastic Surgery, Burn and Trauma Centre, Bilaspur, Chhattisgarh, India
| | - N Rakesh
- Department of Oral Medicine and Radiology, Faculty of Dental Sciences, MS Ramaiah University of Applied Sciences, MSRIT Post, Mathikere, Bangalore, Karnataka, India
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Yoshimoto S, Morita H, Matsubara R, Mitsuyasu T, Imai Y, Kajioka S, Yoneda M, Ito Y, Hirofuji T, Nakamura S, Hirata M. Surface vacuolar ATPase in ameloblastoma contributes to tumor invasion of the jaw bone. Int J Oncol 2016; 48:1258-70. [PMID: 26794206 DOI: 10.3892/ijo.2016.3350] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 12/29/2015] [Indexed: 11/06/2022] Open
Abstract
Ameloblastoma is the most common benign odontogenic tumor in Japan. It is believed that it expands in the jaw bone through peritumoral activation of osteoclasts by receptor activator of nuclear factor kappa-B ligand (RANKL) released from the ameloblastoma, as in bone metastases of cancer cells. However, the clinical features of ameloblastoma, including its growth rate and patterns of invasion, are quite different from those of bone metastasis of cancer cells, suggesting that different underlying mechanisms are involved. Therefore, in the present study, we examined the possible mechanisms underlying the invasive expansion of ameloblastoma in the jaw bone. Expression levels of RANKL assessed by western blotting were markedly lower in ameloblastoma (AM-1) cells than in highly metastatic oral squamous cell carcinoma (HSC-3) cells. Experiments coculturing mouse macrophages (RAW264.7) with AM-1 demonstrated low osteoclastogenic activity, as assessed by tartrate-resistant acid phosphatase (TRAP)-positive multinuclear cell formation, probably because of low release of RANKL, whereas cocultures of RAW264.7 with HSC-3 cells exhibited very high osteoclastogenic activity. Thus, RANKL release from AM-1 appeared to be too low to generate osteoclasts. However, AM-1 cultured directly on calcium phosphate-coated plates formed resorption pits, and this was inhibited by application of bafilomycin A1. Furthermore, vacuolar-type H+-ATPase (V-ATPase) and H+/Cl- exchange transporter 7 (CLC-7) were detected on the surface of AM-1 cells by plasma membrane biotinylation and immunofluorescence analysis. Immunohistochemical analysis of clinical samples of ameloblastoma also showed plasma membrane-localized V-ATPase and CLC-7 in the epithelium of plexiform, follicular and basal cell types. The demineralization activity of AM-1 was only 1.7% of osteoclasts demineralization activity, and the growth rate was 20% of human normal skin keratinocytes and HSC-3 cells. These results suggest that the slow expansion of several typical types of ameloblastomas in jaw bone is attributable to its slow growth and low demineralization ability.
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Affiliation(s)
- Shohei Yoshimoto
- Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka 812‑8582, Japan
| | - Hiromitsu Morita
- Department of General Dentistry, Fukuoka Dental College, Fukuoka 814-0193, Japan
| | - Ryota Matsubara
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Takeshi Mitsuyasu
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Yuko Imai
- Special Patient Oral Care Unit, Kyushu University Hospital, Fukuoka 812-8582, Japan
| | - Shunichi Kajioka
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Masahiro Yoneda
- Department of General Dentistry, Fukuoka Dental College, Fukuoka 814-0193, Japan
| | - Yushi Ito
- Department of Physiology, School of Medicine, Kurume University, Kurume 830-0011, Japan
| | - Takao Hirofuji
- Department of General Dentistry, Fukuoka Dental College, Fukuoka 814-0193, Japan
| | - Seiji Nakamura
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Masato Hirata
- Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka 812‑8582, Japan
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Chandolia B, Basu SK, Kumar M. Can MMP-9 be a Prognosticator Marker for Oral Squamous Cell Carcinoma? J Clin Diagn Res 2016; 10:ZC09-13. [PMID: 26894167 DOI: 10.7860/jcdr/2016/14128.7034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2015] [Accepted: 10/06/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Invasion and metastasis of malignant tumours severely endanger the life of cancer patients. Squamous cell carcinoma is one of the commonly found malignancies in the oral cavity and its survival rate has not improved from past few decades. Since an important risk factor for oral squamous cell carcinoma is the presence of epithelial dysplasia, it is necessary to check the presence of a prognosticator marker in both of them. As matrix metalloproteinase's (MMP's) are involved in degradation of type IV collagen, which are one of the important components of extracellular matrix components which play a relevant role in several steps of tumour progression such as invasion and metastasis. We have studied MMP-9 expression to evaluate its prognostic potential in oral cancers as well as oral epithelial dysplasia along with tissues of normal oral epithelium. MATERIALS AND METHODS The expression was examined using immunohistochemistry procedure with MMP-9 in 100 samples including cases of epithelium from normal oral mucosa, oral dysplastic lesions and oral squamous cell carcinoma. One set of formalin fixed, paraffin embedded sections of the three categories were stained by haematoxylin and eosin. The sections were then evaluated under microscope. Data was examined for statistical significance using SPSS 13.0 by Mann-Whitney Test and Kruskal-Wallis Test. RESULTS With MMP-9 gain of expression was noted from Control group to oral squamous cell carcinoma. Cytoplasmic staining was seen with MMP-9. Statistically highly significant differences were seen between oral epithelial dysplasia and oral squamous cell carcinoma and statistically significant differences were found between the control group and the oral squamous cell carcinoma group. CONCLUSION This study suggested that oral squamous cell carcinoma shows higher MMP-9 expression as compared to oral epithelial dysplasia followed by epithelium from normal oral mucosa. However, no correlation was found among the histological grades of oral squamous cell carcinoma.
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Affiliation(s)
- Betina Chandolia
- Senior Lecturer, Department of Oral Pathology and Microbiology, M.M. College of Dental Sciences and Research , Ambala, Haryana, India
| | - Shiva Kumar Basu
- Professor and Head, Department of Oral Pathology & Microbiology, M.M. College of Dental Sciences and Research , Ambala, Haryana, India
| | - Manish Kumar
- Senior Lecturer, Department of Oral Pathology & Microbiology, M.M. College of Dental Sciences and Research , Ambala, Haryana, India
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Jhamb T, Kramer JM. Molecular concepts in the pathogenesis of ameloblastoma: implications for therapeutics. Exp Mol Pathol 2014; 97:345-53. [PMID: 25194300 DOI: 10.1016/j.yexmp.2014.09.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 08/12/2014] [Accepted: 09/01/2014] [Indexed: 12/18/2022]
Abstract
Ameloblastoma is a benign odontogenic neoplasm that may exhibit aggressive biological behavior as evidenced by its rapid growth and significance recurrence rates following initial surgical resection. Currently, the only therapy for ameloblastoma is surgical, and adjunctive treatment modalities are needed to mitigate tumor growth and to reduce the need for extensive and disfiguring surgeries. Many studies have identified markers expressed by ameloblastoma and these lend insight to our understanding of tumor progression. This review provides a summary of the specific molecular pathways implicated in tumor pathogenesis, including those involved in bone remodeling, apoptosis, cell signaling, and tumor suppression. Based on these data, we identify several prognostic or therapeutic markers that have been used successfully in the treatment of other neoplastic processes that may also have diagnostic and prognostic utility for ameloblastoma. Thus, it is important to determine which markers hold the greatest promise for clinical management of this benign neoplasm in order to improve treatment options, particularly in patients with aggressive forms of ameloblastoma.
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Affiliation(s)
- Tania Jhamb
- Department of Oral and Maxillofacial Medicine and Diagnostic Science, Case Western Reserve University School of Dental Medicine, Cleveland, OH 44106, USA.
| | - Jill M Kramer
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY 14214, USA; Oral Diagnostic Sciences, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY 14214, USA.
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Anne R, Krisnuhoni E, Chotimah C, Latief BS. Matrix metalloproteinase-9 (mmp-9) expression in different subtypes of ameloblastoma. J Maxillofac Oral Surg 2013; 13:281-5. [PMID: 25018601 DOI: 10.1007/s12663-013-0538-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Accepted: 05/16/2013] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Ameloblastoma is a common benign odontogenic tumor of the jaw with a local invasive and highly destructive behavior and can develop in any age, with peak prevalence in 3rd-4th decade. Ameloblastoma can be divided into six histological types: follicular, plexiform, acanthomatous, desmoplastic, granular, and basal cell. Matrix metalloproteinase-9 (MMP-9) (92-kD gelatinase/type IV collagenases = gelatinase B) is involved in bone resorption by degradation of extracellular matrix and osteoclasts recruitment. Recent studies have found that MMP-9 is expressed by ameloblastoma and has a role in ameloblastoma local invasiveness. OBJECTIVE To analyze MMP-9 expression between different histological types of ameloblastoma. MATERIAL AND METHOD Forty samples of ameloblastoma were collected through consecutive sampling and the MMP-9 expression was detected using immunohistochemistry. RESULT All samples showed positive MMP-9 expression with moderate to strong intensity. 82.4 % plexiform type and 83.3 % mixed type have strong immunoexpression, significantly different with follicular type with only 36.4 % (P < 0.05). CONCLUSION Ameloblastoma plexiform and mixed type have higher MMP-9 expression than ameloblastoma follicular type. Different MMP-9 expression may contribute in different ameloblastoma biological behavior.
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Affiliation(s)
- Rachmitha Anne
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Indonesia, Jl. Salemba Raya No. 4, Jakarta Pusat, 10430 Indonesia
| | - Ening Krisnuhoni
- Department of Pathological Anatomy, Faculty of Medicine, University of Indonesia, Jl. Salemba Raya No. 6, Jakarta Pusat, 10430 Indonesia
| | - Chusnul Chotimah
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Indonesia, Jl. Salemba Raya No. 4, Jakarta Pusat, 10430 Indonesia
| | - Benny Sjarief Latief
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Indonesia, Jl. Salemba Raya No. 4, Jakarta Pusat, 10430 Indonesia
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Zhong Y, Guo W, Wang L, Chen X. Molecular markers of tumor invasiveness in ameloblastoma: An update. Ann Maxillofac Surg 2013; 1:145-9. [PMID: 23482687 PMCID: PMC3591013 DOI: 10.4103/2231-0746.92780] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The aim of the present article was to review the current new knowledge on the molecular markers of tumor invasion in ameloblastoma. In this review, tumor molecular markers were identified and allocated to the following six groups according to their functions: (I) Markers involved in extracellular matrix degradation, (II) Molecular markers involved in cell adhesion lost, (III) Molecular markers involved in bone remodeling, (IV) Cytokines involved in angiogenesis, (V) Molecular markers related with the function of tumor stromal cells on the invasion of ameloblastoma, and (VI) Molecular markers involved in cell proliferation related with invasion. In general, the location of markers within the tumor and not their quantitative assessments as such is emphasized. Data showed that the correlation among molecular markers of invasive relevance is still not quite clear. Results on markers of tumor invasion and metastatic potential appeared to be too premature for a statement regarding the instinct invasive nature of ameloblastoma. The unraveling of specific new details concerning these mechanisms, whereby the expression and relationships among the molecules are mediated, may provide an opportunity to afford efficient prevention and develop new treatment therapies.
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Affiliation(s)
- Yi Zhong
- Department of Oral and Maxillofacial Surgery, Nineth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, Peoples Republic of China
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Tumor angiogenesis: Role in locally aggressive biological behavior of ameloblastoma and keratocystic odontogenic tumor. Head Neck 2012; 35:329-34. [DOI: 10.1002/hed.22960] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2011] [Indexed: 12/16/2022] Open
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Yoon HJ, Jo BC, Shin WJ, Cho YA, Lee JI, Hong SP, Hong SD. Comparative immunohistochemical study of ameloblastoma and ameloblastic carcinoma. ACTA ACUST UNITED AC 2011; 112:767-76. [PMID: 22014999 DOI: 10.1016/j.tripleo.2011.06.036] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2011] [Revised: 06/22/2011] [Accepted: 06/27/2011] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Ameloblastic carcinoma combines the histologic features of ameloblastoma with cytologic atypia, regardless of whether it has metastasized. Because of its rarity, there are few immunoprofile studies of ameloblastic carcinoma and few comparative studies of ameloblastic carcinoma and ameloblastoma. In this study, we compared the expression levels of cytokeratins (CKs), matrix metalloproteinases (MMPs), and Ki-67 between ameloblastoma and ameloblastic carcinoma, and assessed the usefulness of these markers for differentiating the tumors. STUDY DESIGN We assessed CK7, CK14, CK18, CK19, MMP-2, MMP-9, and Ki-67 expression by immunohistochemistry in 10 cases of ameloblastoma and 7 cases of ameloblastic carcinoma and then compared expression patterns between the 2 groups. RESULTS Immunostaining for CK14 and CK19 was diffuse and strongly positive in both tumor types, but staining for CK7 was focally positive in only 1 case of ameloblastoma and absent in all cases of ameloblastic carcinoma. However, there was a significant difference in CK18 expression between the 2 tumors (P = .000). Whereas 80% of ameloblastomas showed negative reactivity for CK18, most cases of ameloblastic carcinomas showed a moderate to strong intensity of immunostaining for CK18. Regarding the expression of MMPs, there were significant differences in parenchymal MMP-2 and stromal MMP-9 expression between the 2 tumors. Compared to ameloblastoma, ameloblastic carcinoma showed significantly strong expression of MMP-2 in parenchymal cells (P = .001) and MMP-9 in stromal cells (P = .013). However, there were no differences in MMP-2 expression of stromal cells and MMP-9 expression of parenchymal cells between ameloblastoma and ameloblastic carcinoma. The mean Ki-67 labeling index (LI) of ameloblastic carcinomas was 17.21%, which was significantly higher than that of ameloblastomas (3.57%; P = .002). CONCLUSIONS The significant expression of CK18, parenchymal MMP-2, stromal MMP-9, and Ki-67 could provide useful markers for differentiating ameloblastic carcinoma from ameloblastoma.
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Affiliation(s)
- Hye-Jung Yoon
- Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
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Patterson J, Hubbell JA. SPARC-derived protease substrates to enhance the plasmin sensitivity of molecularly engineered PEG hydrogels. Biomaterials 2010; 32:1301-10. [PMID: 21040970 DOI: 10.1016/j.biomaterials.2010.10.016] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2010] [Accepted: 10/10/2010] [Indexed: 11/28/2022]
Abstract
Bioactive hydrogels formed from the Michael-type addition reactions of end-functionalized poly (ethylene glycol) macromers with thiol-containing protease-sensitive peptide crosslinkers have previously been described as matrices for cell-induced enzymatic remodeling. In this study, we sought to develop materials formulations with different degradation profiles by evaluating peptides derived from secreted protein acidic and rich in cysteine (SPARC) as potential substrates for plasmin, matrix metalloproteinase (MMP)-1, and MMP-2. Michaelis-Menten analysis showed that different peptides could provide a range of k(cat) values for each enzyme. In most cases, hydrogels formed with crosslinker peptides that had higher k(cat) values degraded faster when exposed to the appropriate enzyme(s), and fibroblasts showed increased cell proliferation and cell spreading when cultured in the faster degrading hydrogels. Further, greater cell invasion was observed from aortic ring segments embedded in the faster degrading hydrogels. The addition of the SPARC-derived peptides to the repertoire of protease-sensitive crosslinkers increases the potential application of these materials by providing enhanced susceptibility to plasmin. Further, the graded increases in k(cat) and the differential responses for plasmin, MMP-1, and MMP-2 can be used to engineer hydrogels with degradation properties tuned to the enzymes produced by particular cell types, allowing for broader in vivo application.
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Affiliation(s)
- J Patterson
- Institute for Bioengineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
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