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Zhang CX, Man QW. Proteomics study of bone tissue around ameloblastoma and the potential mechanism of CD36 in bone remodelling. Br J Oral Maxillofac Surg 2024; 62:290-298. [PMID: 38461076 DOI: 10.1016/j.bjoms.2024.01.001] [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: 07/10/2023] [Revised: 11/29/2023] [Accepted: 01/02/2024] [Indexed: 03/11/2024]
Abstract
Ameloblastoma (AM) is characterised by local aggressiveness and bone resorption. To our knowledge, the proteomic profile of bone adjacent to AM has not previously been explored. We therefore looked at the differential proteins in cancellous bone (CB) adjacent to AM and normal CB from the mandible. CB proteins were extracted, purified, quantified, and analysed by liquid chromatography-mass spectrometry (LC-MS) using samples from five patients with AM. These proteins were further investigated using gene ontology for additional functional annotation and enrichment. Proteins that met the screening requirements of expression difference ploidy > 1.5-fold (upregulation and downregulation) and p < 0.05 were subsequently deemed differential proteins. Immunohistochemical staining was performed to confirm the above findings. Compared with normal mandibular CB, 151 differential proteins were identified in CB adjacent to the mandibular AM. These were mainly linked to cellular catabolic processes, lipid metabolism, and fatty acids (FA) metabolism. LC-MS and immunohistochemistry showed that CD36 was one of the notably decreased proteins in CB bordering the AM compared with normal mandibular CB (p = 0.0066 and p = 0.0095, respectively). CD36 expression in CB correlates with bone remodelling in AM, making CD36 a viable target for therapeutic approaches.
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Affiliation(s)
- Chen-Xi Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Qi-Wen Man
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial - Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
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2
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Yoshimoto S, Morita H, Okamura K, Hiraki A, Hashimoto S. IL-6 Plays a Critical Role in Stromal Fibroblast RANKL Induction and Consequent Osteoclastogenesis in Ameloblastoma Progression. J Transl Med 2023; 103:100023. [PMID: 36748192 DOI: 10.1016/j.labinv.2022.100023] [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: 09/29/2022] [Accepted: 10/26/2022] [Indexed: 01/19/2023] Open
Abstract
Ameloblastoma (AB) is the most common benign, epithelial odontogenic tumor that occurs in the jawbone. AB is a slow-growing, benign epithelial tumor but shows locally invasive growth, with bone resorption or recurrence if not adequately resected. From these points of view, understanding the mechanism of AB-induced bone resorption is necessary for better clinical therapy and improving patients' quality of life. In bone resorption, osteoclasts play critical roles, and RANKL is a pivotal regulator of osteoclastogenesis. However, the source of RANKL-expressing cells in the AB tumor microenvironment is controversial, and the mechanism of osteoclastogenesis in AB progression is not fully understood. In this study, we investigated the distribution of the RNA expression of RANKL in AB specimens. We found that PDGFRα- and S100A4-positive stromal fibroblasts expressed RANKL in the AB tumor microenvironment. Moreover, we analyzed the mechanisms of osteoclastogenesis in the AB tumor microenvironment using the human AB cell line AM-1 and a human primary periodontal ligament fibroblast cells. The results of histopathologic and in vitro studies clarified that the interaction between AB cells and stromal fibroblasts upregulated IL-6 expression and that AB cells induced RANKL expression in stromal fibroblasts and consequent osteoclastogenesis in AB progression.
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Affiliation(s)
- Shohei Yoshimoto
- Section of Pathology, Division of Biomedical Sciences, Department of Morphological Biology, Fukuoka Dental College, Fukuoka, Japan; Oral Medicine Research Center, Fukuoka Dental College, Fukuoka, Japan.
| | - Hiromitsu Morita
- The Center for Visiting Dental Service, Department of General Dentistry, Fukuoka Dental College, Fukuoka, Japan
| | - Kazuhiko Okamura
- Section of Pathology, Division of Biomedical Sciences, Department of Morphological Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Akimitsu Hiraki
- Section of Oral Oncology, Division of Oral and Medical Management, Department of Oral and Maxillofacial Surgery, Fukuoka Dental College, Fukuoka, Japan
| | - Shuichi Hashimoto
- Section of Pathology, Division of Biomedical Sciences, Department of Morphological Biology, Fukuoka Dental College, Fukuoka, Japan
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3
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Fujii S, Ishibashi T, Kokura M, Fujimoto T, Matsumoto S, Shidara S, Kurppa KJ, Pape J, Caton J, Morgan PR, Heikinheimo K, Kikuchi A, Jimi E, Kiyoshima T. RAF1-MEK/ERK pathway-dependent ARL4C expression promotes ameloblastoma cell proliferation and osteoclast formation. J Pathol 2021; 256:119-133. [PMID: 34622442 DOI: 10.1002/path.5814] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 09/10/2021] [Accepted: 10/05/2021] [Indexed: 12/17/2022]
Abstract
Ameloblastoma is an odontogenic neoplasm characterized by slow intraosseous growth with progressive jaw resorption. Recent reports have revealed that ameloblastoma harbours an oncogenic BRAFV600E mutation with mitogen-activated protein kinase (MAPK) pathway activation and described cases of ameloblastoma harbouring a BRAFV600E mutation in which patients were successfully treated with a BRAF inhibitor. Therefore, the MAPK pathway may be involved in the development of ameloblastoma; however, the precise mechanism by which it induces ameloblastoma is unclear. The expression of ADP-ribosylation factor (ARF)-like 4c (ARL4C), induced by a combination of the EGF-MAPK pathway and Wnt/β-catenin signalling, has been shown to induce epithelial morphogenesis. It was also reported that the overexpression of ARL4C, due to alterations in the EGF/RAS-MAPK pathway and Wnt/β-catenin signalling, promotes tumourigenesis. However, the roles of ARL4C in ameloblastoma are unknown. We investigated the involvement of ARL4C in the development of ameloblastoma. In immunohistochemical analyses of tissue specimens obtained from 38 ameloblastoma patients, ARL4C was hardly detected in non-tumour regions but tumours frequently showed strong expression of ARL4C, along with the expression of both BRAFV600E and RAF1 (also known as C-RAF). Loss-of-function experiments using inhibitors or siRNAs revealed that ARL4C elevation depended on the RAF1-MEK/ERK pathway in ameloblastoma cells. It was also shown that the RAF1-ARL4C and BRAFV600E-MEK/ERK pathways promoted cell proliferation independently. ARL4C-depleted tumour cells (generated by knockdown or knockout) exhibited decreased proliferation and migration capabilities. Finally, when ameloblastoma cells were co-cultured with mouse bone marrow cells and primary osteoblasts, ameloblastoma cells induced osteoclast formation. ARL4C elevation in ameloblastoma further promoted its formation capabilities through the increased RANKL expression of mouse bone marrow cells and/or primary osteoblasts. These results suggest that the RAF1-MEK/ERK-ARL4C axis, which may function in cooperation with the BRAFV600E-MEK/ERK pathway, promotes ameloblastoma development. © 2021 The Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Shinsuke Fujii
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Takuma Ishibashi
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Megumi Kokura
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Tatsufumi Fujimoto
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Shinji Matsumoto
- Department of Molecular Biology and Biochemistry, Graduate School of Medicine, Osaka University, Suita, Japan.,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Japan
| | - Satsuki Shidara
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Kari J Kurppa
- Institute of Biomedicine and MediCity Research Laboratories, University of Turku, and Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Judith Pape
- Division of Surgery and Interventional Science, Department of Targeted Intervention, Centre for 3D Models of Health and Disease, University College London, London, UK
| | - Javier Caton
- Department of Anatomy and Embryology, Faculty of Medicine, University Complutense Madrid, Madrid, Spain
| | - Peter R Morgan
- Head & Neck Pathology, King's College London, Guy's Hospital, London, UK
| | - Kristiina Heikinheimo
- Department of Oral and Maxillofacial Surgery, Institute of Dentistry, University of Turku and Turku University Hospital, Turku, Finland
| | - Akira Kikuchi
- Department of Molecular Biology and Biochemistry, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Eijiro Jimi
- Oral Health/Brain Health/Total Health Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan.,Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Tamotsu Kiyoshima
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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4
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Fuchigami T, Ono Y, Kishida S, Nakamura N. Molecular biological findings of ameloblastoma. JAPANESE DENTAL SCIENCE REVIEW 2021; 57:27-32. [PMID: 33737992 PMCID: PMC7946346 DOI: 10.1016/j.jdsr.2020.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 11/17/2020] [Accepted: 12/13/2020] [Indexed: 01/10/2023] Open
Abstract
Ameloblastoma is benign odontogenic tumours that mainly occur in the jawbone. This tumour induces aggressive invasion into the surrounding bone and has a high recurrence rate after surgery. Therefore, mandibular resection is performed in many patients with this tumour, causing aesthetic and functional problems. It is necessary to develop a novel treatment strategy for ameloblastoma, but there are currently no innovative treatments. Although our understanding of the molecular biological mechanisms of ameloblastoma is still insufficient, there have been many recent reports of new molecular biological findings on ameloblastoma. Therefore, bioactive factors that have potential for novel therapeutic methods, such as molecular targeted therapy, have been discovered in ameloblastoma. In this review, we summarize the molecular biological findings of ameloblastoma reported over several decades, focusing on factors involved in invasion into surrounding tissues and disease-specific gene mutations. We also mention the effect of the interaction between tumour cells and stromal components in ameloblastoma on tumour development. Scientific field of dental Science: Oral surgery, Odontogenic tumor, Ameloblastoma.
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Affiliation(s)
- Takao Fuchigami
- Department of Oral and Maxillofacial Surgery, Field of Maxillofacial Rehabilitation Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
| | - Yusuke Ono
- Department of Oral and Maxillofacial Surgery, Field of Maxillofacial Rehabilitation Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
| | - Shosei Kishida
- Department of Biochemistry and Genetics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
| | - Norifumi Nakamura
- Department of Oral and Maxillofacial Surgery, Field of Maxillofacial Rehabilitation Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
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Zeballos R, Bologna-Molina R, Pereira-Prado V, Villarroel-Dorrego M. Expression of parathyroid hormone related protein (PTHRP) in ameloblastomas. J Clin Exp Dent 2018; 10:e172-e176. [PMID: 29670736 PMCID: PMC5899800 DOI: 10.4317/jced.54222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 01/03/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Presence of parathyroid hormone related protein (PTHrP) might suggest that ameloblastomas recapitulate features of the enamel epithelium and induce bone resorption, which would facilitate their growth and local invasion. The aim of this study was to determine the expression of PTHrP in ameloblastomas. MATERIAL AND METHODS An observational research study was designed including 39 cases of histologically diagnosed ameloblastomas (39 out of 42 patients gave consent for the use of their medical records and all data required for this study). Gender, age, tumor location, histological type and subtype of the tumor were recorded and PTHrP expression was determined by indirect immunohistochemistry using monoclonal anti-human PTHrP (1D1 / Santa Cruz Biotechnology). Protein expression and intensity were evaluated under light microscope and finally data recorded and statistically analyzed. This research was approved by the Caracas West General Hospital review board. RESULTS 39 cases of ameloblastomas were evenly distributed between genders (49% male and 51% female) with a mean age of 33 ± 3.53 years, mainly affecting the posterior mandible. 20 cases (51.28%) showed positive cytoplasmic immunoreactivity to PTHrP. 8 out of 15 cases of solid/multicystic ameloblastomas and 12 out of 23 cases of unicystic ameloblastomas were PTHrP positive. Intense expression of PTHrP was observed in 4 unicystic ameloblastomas (all luminal subtype) and in 5 cases of conventional ameloblastomas. CONCLUSIONS In the present study PTHrP expression in solid multicystic and unicystic ameloblastoma suggests its possible function in the biological behavior of the tumor. More studies are needed in order to determine the possible role of this protein related to bone invasion processes. Key words:Parathyroid hormone related protein, PTHrP, ameloblastoma, bone.
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Affiliation(s)
| | - Ronell Bologna-Molina
- Molecular Pathology Area, Faculty of Dentistry, Universidad de la República, Uruguay
| | - Vanesa Pereira-Prado
- Molecular Pathology Area, Faculty of Dentistry, Universidad de la República, Uruguay
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6
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Pizzino G, Irrera N, Galfo F, Oteri G, Atteritano M, Pallio G, Mannino F, D'Amore A, Pellegrino E, Aliquò F, Anastasi GP, Cutroneo G, Squadrito F, Altavilla D, Bitto A. Adenosine Receptor Stimulation Improves Glucocorticoid-Induced Osteoporosis in a Rat Model. Front Pharmacol 2017; 8:558. [PMID: 28928654 PMCID: PMC5591884 DOI: 10.3389/fphar.2017.00558] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 08/08/2017] [Indexed: 11/21/2022] Open
Abstract
Glucocorticoid-induced osteoporosis (GIO) is a secondary cause of bone loss. Bisphosphonates approved for GIO, might induce jaw osteonecrosis; thus additional therapeutics are required. Adenosine receptor agonists are positive regulators of bone remodeling, thus the efficacy of adenosine receptor stimulation for treating GIO was tested. In a preventive study GIO was induced in Sprague-Dawley rats by methylprednisolone (MP) for 60 days. Animals were randomly assigned to receive polydeoxyribonucleotide (PDRN), an adenosine A2 receptor agonist, or PDRN and DMPX (3,7-dimethyl-1-propargylxanthine, an A2 antagonist), or vehicle (0.9% NaCl). Another set of animals was used for a treatment study, following the 60 days of MP-induction rats were randomized to receive (for additional 60 days) PDRN, or PDRN and DMPX (an adenosine A2 receptor antagonist), or zoledronate (as control for gold standard treatment), or vehicle. Control animals were administered with vehicle for either 60 or 120 days. Femurs were analyzed after treatments for histology, imaging, and breaking strength analysis. MP treatment induced severe bone loss, the concomitant use of PDRN prevented the developing of osteoporosis. In rats treated for 120 days, PDRN restored bone architecture and bone strength; increased b-ALP, osteocalcin, osteoprotegerin and stimulated the Wnt canonical and non-canonical pathway. Zoledronate reduced bone resorption and ameliorated the histological features, without significant effects on bone formation. Our results suggest that adenosine receptor stimulation might be useful for preventing and treating GIO.
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Affiliation(s)
- Gabriele Pizzino
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Federica Galfo
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Giacomo Oteri
- Department of Biomedical Sciences, Dentistry and Morphological and Functional Images, University of MessinaMessina, Italy
| | - Marco Atteritano
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Giovanni Pallio
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Federica Mannino
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Angelica D'Amore
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Enrica Pellegrino
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Federica Aliquò
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Giuseppe P Anastasi
- Department of Biomedical Sciences, Dentistry and Morphological and Functional Images, University of MessinaMessina, Italy
| | - Giuseppina Cutroneo
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Domenica Altavilla
- Department of Biomedical Sciences, Dentistry and Morphological and Functional Images, University of MessinaMessina, Italy
| | - Alessandra Bitto
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
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7
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Anand R, Sarode GS, Sarode SC, Reddy M, Unadkat HV, Mushtaq S, Deshmukh R, Choudhary S, Gupta N, Ganjre AP, Patil S. Clinicopathological characteristics of desmoplastic ameloblastoma: A systematic review. ACTA ACUST UNITED AC 2017; 9. [PMID: 28707772 DOI: 10.1111/jicd.12282] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 04/26/2017] [Indexed: 11/30/2022]
Abstract
The aim of the present review was to systematically present the clinicopathological data of desmoplastic ameloblastoma (DA) from articles published in the literature. A comprehensive search of the databases (PubMed, Medline, SCOPUS, Web of Science, and Google Scholar) for published articles on DA was conducted. A total of 238 cases were identified and analyzed from 76 published papers. DA showed a slight male predilection (male: female=1.07:1) with a predominance in the fourth and fifth decades of life. Mandibular involvement (52.55%) was most commonly seen with a marked tendency for the anterior region (mandible: 40.9%, maxilla: 48.07%). The size of the lesion ranged from .5 cm to 20.4 cm, with the majority of cases measuring more than 3 cm in size (53.84%). Radiologically, most of the lesions presented mixed radiolucency and radiopacity (62%), and root resorption was observed in only seven cases. The majority of the lesions showed ill-defined margins upon radiographic examination (65.78%). Most of the cases were treated with resection (78.57%), and five of the 10 recurrent cases were treated by enucleation/curettage. DA is characterized by the unique presentation of clinicopathological parameters. It is not possible to comment on its aggressive/recurrent nature and best treatment modality due to inadequate follow-up data.
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Affiliation(s)
- Rahul Anand
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Gargi S Sarode
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Sachin C Sarode
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Mamatha Reddy
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Hemant V Unadkat
- National Dental Centre of Singapore, 5 Second Hospital Avenue, Singapore, Singapore.,Oral Health Academic Clinical Program, Duke-NUS Medical School, Singapore, Singapore
| | - Shazia Mushtaq
- College of Applied Medical Sciences, Dental Health Department, King Saud University, Riyadh, Saudi Arabia
| | - Revati Deshmukh
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Shakira Choudhary
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Nitin Gupta
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Anjali P Ganjre
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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8
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Takebe Y, Tsujigiwa H, Katase N, Siar CH, Takabatake K, Fujii M, Tamamura R, Nakano K, Nagatsuka H. Parenchyma-stromal interactions induce fibrosis by secreting CCN2 and promote osteoclastogenesis by stimulating RANKL and CD68 through activated TGF-β/BMP4 in ameloblastoma. J Oral Pathol Med 2016; 46:67-75. [PMID: 27327904 DOI: 10.1111/jop.12467] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND Tumor parenchyma-stromal interactions affect the properties of tumors and their dynamics. Our group previously showed that secreted frizzled related protein (sFRP)-2 impairs bone formation and promotes bone invasion in ameloblastoma. However, the effects of the secreted growth factors CCN2, TGF-β, and BMP4 on stromal tissues in ameloblastoma remain unclear. MATERIALS AND RESULTS Thirty-five paraffin-embedded ameloblastoma cases, ameloblastoma-derived cell lines (AM-1), and primary cultures of ameloblastoma stromal fibroblasts (ASF) were used. Immunohistochemistry, MTT assay, Western blotting, and RT-PCR were performed on these samples. Parenchyma-stromal CCN2 overexpression correlated significantly with fibrous-type stroma, but not with myxoid-type stroma, suggesting a role of CCN2 in fibrosis (P < 0.05). Recombinant CCN2 induction of enhanced ASF proliferation in AM-1 medium supports this view. Conversely, BMP4 and TGF-β were expressed in myxoid-type fibroblasts, but little expression was found in parenchyma. RANKL-positive and CD68-positive stromal cell populations were significantly greater in myxoid-type tumor areas than in fibrous-type tumor areas, while a higher Ki-67 labeling index was recorded in ameloblastoma with fibrous-type stroma. These data suggest that stromal properties influence bone resorption-related activities and growth rates, respectively. CONCLUSIONS These results suggest that the effects of secreted growth factors are governed by ameloblastoma parenchyma-stromal interactions. CCN2 promotes fibrogenesis independent of TGF-β signaling. Absence of CCN2 expression is associated with a phenotypic switch to a myxoid-type microenvironment that is conducive for TGF-β/BMP4 signaling to promote osteoclastogenesis.
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Affiliation(s)
- Yuichiro Takebe
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Hidetsugu Tsujigiwa
- Department of Life Science, Faculty of Science, Okayama University of Science, Okayama, Japan
| | - Naoki Katase
- Department of Molecular and Developmental Biology, Kawasaki Medical School, Okayama, Japan
| | - Chong Huat Siar
- Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Kiyofumi Takabatake
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Masae Fujii
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Ryo Tamamura
- Department of Histology, Nihon University School of Dentistry, Matsudo, Japan
| | - Keisuke Nakano
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Hitoshi Nagatsuka
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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9
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SILVA FPY, DIAS A, COELHO CA, GUERRA EN, MARQUES AEM, DECURCIO DDA, MANTESSO A, CURY SEV, SILVA BSDF. Expression of CD90 and P75NTR stem cell markers in ameloblastomas: a possible role in their biological behavior. Braz Oral Res 2016; 30:e109. [DOI: 10.1590/1807-3107bor-2016.vol30.0109] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 07/25/2016] [Indexed: 01/15/2023] Open
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10
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Regulation of IL-6 and IL-8 production by reciprocal cell-to-cell interactions between tumor cells and stromal fibroblasts through IL-1α in ameloblastoma. Biochem Biophys Res Commun 2014; 451:491-6. [PMID: 25124663 DOI: 10.1016/j.bbrc.2014.07.137] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 07/30/2014] [Indexed: 11/22/2022]
Abstract
Ameloblastoma is an odontogenic benign tumor that occurs in the jawbone, which invades bone and reoccurs locally. This tumor is treated by wide surgical excision and causes various problems, including changes in facial countenance and mastication disorders. Ameloblastomas have abundant tumor stroma, including fibroblasts and immune cells. Although cell-to-cell interactions are considered to be involved in the pathogenesis of many diseases, intercellular communications in ameloblastoma have not been fully investigated. In this study, we examined interactions between tumor cells and stromal fibroblasts via soluble factors in ameloblastoma. We used a human ameloblastoma cell line (AM-3 ameloblastoma cells), human fibroblasts (HFF-2 fibroblasts), and primary-cultured fibroblasts from human ameloblastoma tissues, and analyzed the effect of ameloblastoma-associated cell-to-cell communications on gene expression, cytokine secretion, cellular motility and proliferation. AM-3 ameloblastoma cells secreted higher levels of interleukin (IL)-1α than HFF-2 fibroblasts. Treatment with conditioned medium from AM-3 ameloblastoma cells upregulated gene expression and secretion of IL-6 and IL-8 of HFF-2 fibroblasts and primary-cultured fibroblast cells from ameloblastoma tissues. The AM3-stimulated production of IL-6 and IL-8 in fibroblasts was neutralized by pretreatment of AM-3 cells with anti-IL-1α antibody and IL-1 receptor antagonist. Reciprocally, cellular motility of AM-3 ameloblastoma cells was stimulated by HFF-2 fibroblasts in IL-6 and IL-8 dependent manner. In conclusion, ameloblastoma cells and stromal fibroblasts behave interactively via these cytokines to create a microenvironment that leads to the extension of ameloblastomas.
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11
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de Matos FR, de Moraes M, das Neves Silva EB, Galvão HC, de Almeida Freitas R. Immunohistochemical Detection of Receptor Activator Nuclear κB Ligand and Osteoprotegerin in Odontogenic Cysts and Tumors. J Oral Maxillofac Surg 2013; 71:1886-92. [DOI: 10.1016/j.joms.2013.05.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 05/22/2013] [Accepted: 05/23/2013] [Indexed: 11/15/2022]
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12
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Sathi GA, Tsujigiwa H, Ito S, Siar CH, Katase N, Tamamura R, Harada H, Nagatsuka H. Osteogenic genes related to the canonic WNT pathway are down-regulated in ameloblastoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2013; 114:771-7. [PMID: 23159115 DOI: 10.1016/j.oooo.2012.08.453] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Revised: 08/11/2012] [Accepted: 08/28/2012] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of this study was to determine the expression of essential osteogenic genes related to the canonic WNT pathway, i.e., WDR5, sFRP-2, and their downstream genes, in ameloblastoma and to clarify their biologic impact on this neoplasm. STUDY DESIGN Forty-six paraffin-embedded ameloblastoma samples and ameloblastic (AM-1) and preosteoblastic (KUSA/A1) cell lines were used. Immunohistochemistry, Western blot, reverse-transcription polymerase chain reaction, and alkaline phosphatase (ALP) activity assay were performed. RESULTS WDR5, essential for osteoblast differentiation and canonic WNT pathway activation, was negative in most ameloblastoma cases and weakly expressed in AM-1 cells. Conversely, sFRP-2s was overexpressed. RUNX2 and C-MYC, downstream inductions of canonic WNT pathway activation, demonstrated weak mRNA expressions in ameloblastoma, suggesting WNT pathway impairment and WDR5 functional inactivity. Recombinant WDR5 weakly induced ALP activity of KUSA/A1 cells cultured in AM-1 conditioned medium. CONCLUSIONS These findings suggest that WNT-related bone-forming genes are down-regulated in ameloblastoma. Concurrent sFRP-2 overexpression suggests that both bone-forming and bone-inhibiting genes equally contributed to reduced bone formation in this neoplasm.
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Affiliation(s)
- Gulsan A Sathi
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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González Alva P, Gómez Plata E, Arzate H. Localización de las proteínas específicas del cemento radicular CEMP1 y CAP en células neoplásicas. JOURNAL OF ORAL RESEARCH 2013. [DOI: 10.17126/joralres.2013.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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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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Sathi GA, Tamamura R, Tsujigiwa H, Katase N, Lefeuvre M, Siar CH, Matsuda H, Nagatsuka H. Analysis of immunoexpression of common cancer stem cell markers in ameloblastoma. Exp Ther Med 2011; 3:397-402. [PMID: 22969902 DOI: 10.3892/etm.2011.437] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Accepted: 12/02/2011] [Indexed: 01/27/2023] Open
Abstract
Recent studies have established that, in benign tumors, a large number of cancer stem cells are present, which have great implications in tumor development. However, in ameloblastoma, a highly aggressive, locally invasive tumor with a high recurrence rate, whether or not cancer stem-like cells are present remains undetermined. Therefore, in this study we analyzed the protein expression of three candidate stem cell markers in ameloblastoma. Immunohistochemical staining for cancer stem cell (CSC) markers (CD133, CD44 and ABCG2) and for the proliferation marker Ki-67 was performed using 23 ameloblastoma cases. In all 23 samples, CD133, CD44 and ABCG2 were expressed. Nine (39.13%) cases showed high expression and 14 cases (60.87%) showed low expression for CD133. Twelve of the 23 cases (52.17%) showed high expression and 11 cases (47.83%) showed low expression for both CD44 and ABCG2, respectively. Ki-67 was mainly expressed in peripheral ameloblast-like cells, suggesting that these cells have a higher degree of differentiation and, therefore, are less likely to contain cancer stem-like cells. On the other hand, cells positive for CSC markers situated at the close proximity to peripheral cells were devoid of Ki-67 and may have the potential to be cancer stem-like cells. After analyzing the correlation between expression of three CSC markers with clinicopathological factors and Ki-67 expression, only CD44 expression was correlated with tumor recurrence (P=0.0391). In conclusion, this study showed various expression patterns of different types of cancer stem cell markers and the presence of candidate CSC-like cells in ameloblastoma, which are possibly involved in cell proliferation, tumor progression and recurrence.
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Affiliation(s)
- Gulsan Ara Sathi
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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González-Alva P, Kikuchi K, Miyazaki Y, Okamoto E, Oku Y, Tsuchiya H, Noguchi Y, Sakashita H, Ide F, Kusama K. Expression of heparanase: a possible role in invasiveness and aggressive clinical behavior of ameloblastomas. J Oral Sci 2010; 52:39-47. [DOI: 10.2334/josnusd.52.39] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Sathi GA, Inoue M, Harada H, Rodriguez AP, Tamamura R, Tsujigiwa H, Borkosky SS, Gunduz M, Nagatsuka H. Secreted frizzled related protein (sFRP)-2 inhibits bone formation and promotes cell proliferation in ameloblastoma. Oral Oncol 2009; 45:856-60. [PMID: 19362047 DOI: 10.1016/j.oraloncology.2009.02.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2009] [Revised: 01/26/2009] [Accepted: 02/02/2009] [Indexed: 01/18/2023]
Abstract
Secreted frizzled related protein (sFRP)-2, a Wnt antagonist, was strongly expressed by both stromal and tumor cells of ameloblastoma. The aim of this study is to evaluate whether sFRP-2 secreted from tumor cells have any direct role in suppressed bone formation or not. A pre-osteoblastic cell line, KUSA/A1 cells, cultured in conditioned medium of an ameloblastoma-derived cell line (AM-1CM) was used in the study. Alkaline phosphatase (ALP) activity, alizarin red staining, mineral quantification and MTS assay was performed. Wnt-canonical pathway is a major pathway for osteoblasts. Antagonists of this pathway, sFRP-1, 2 and 3, were detected by immunohistochemistry and western blot analysis. KUSA/A1 cells cultured in AM-1CM showed high cell proliferation, low ALP activity without mineralized matrix deposition. sFRP-2 was strongly expressed in ameloblastoma tissue and AM-1 cells. After sFRP-2 depletion, the cells showed diffuse mineralization. In this study, it was confirmed that ameloblastoma cells have a major role in decreased bone formation by secreting sFRP-2 in cell culture model. Though, sFRP-2 has great effect on tumor progression, inhibition of sFRP-2's anti-bone formation activity and cell proliferative activity may reduce the invasive property of ameloblastoma and possibility of recurrence rate.
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Affiliation(s)
- Gulsan Ara Sathi
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Okayama 700-8558, Japan
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