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Li H, Ma X, Yang R, Mei S, Zhang X, Li X. Identification of ferroptosis-related proteins in ameloblastoma based on proteomics analysis. J Cancer Res Clin Oncol 2023; 149:16717-16727. [PMID: 37725241 DOI: 10.1007/s00432-023-05412-8] [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: 07/19/2023] [Accepted: 09/05/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE We used proteomic sequencing and experimental verification to identify the potential ferroptosis-related proteins in ameloblastoma. METHODS Samples of ameloblastoma (n = 14) and normal gingival tissues (n = 5) were collected for proteomic sequencing to identify differentially expressed proteins (DEPs) in ameloblastoma. Ferroptosis-related genes were downloaded from FerrDb V2, which were then compared with DEPs to obtain ferroptosis-related DEPs (FR-DEPs). A functional enrichment analysis was performed, and a protein-protein interaction network was built. The hub proteins were screened using the Cytoscape software, and potential drugs targeting them were retrieved from the DrugBank database. A hub protein was selected for immunohistochemical validation, and its expression was assessed in ameloblastomas, odontogenic keratocysts, dentigerous cysts, and normal gingival tissues. The primary ameloblastoma cells were cultured to explore the effect of the protein on the migratory properties of the tumour cells. RESULTS A total of 58 FR-DEPs were screened, and six hub proteins were identified: mTOR, NFE2L2, PRKCA, STAT3, EGFR, and CDH1. Immunohistochemical analysis showed that mTOR expression was upregulated in ameloblastomas compared with that in odontogenic keratocysts, dentigerous cysts, and normal gingival tissues. p-mTOR was highly expressed in ameloblastomas, with a positivity rate of 83.3%. In addition, rapamycin, an inhibitor of mTOR, can inhibit the migratory capacity of primary cultured ameloblastoma cells. CONCLUSION Our results revealed the ferroptosis-related proteins in ameloblastomas and their underlying biological processes. Additionally, mTOR was overexpressed and was found to be associated with the aggressiveness of ameloblastomas, which may be a potential target for future treatments.
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Affiliation(s)
- Haiyang Li
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China
| | - Xingyue Ma
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China
| | - Ruisi Yang
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China
| | - Shuang Mei
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China
| | - Xudong Zhang
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China
| | - Xiangjun Li
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Hebei Medical University, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Shijiazhuang, 050017, China.
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Dornelles FML, Wagner VP, Fonseca FP, Ariotti C, Carrard VC, Vargas PA, Sánchez-Romero C, Beovide V, Bologna-Molina R, Martins MD. BDNF/TrkB/Akt Signaling Pathway Epithelial Odontogenic Tumors and Keratocyst: An Immunohistochemical Study Comparative With Dental Germs. Appl Immunohistochem Mol Morphol 2021; 29:366-373. [PMID: 32941187 DOI: 10.1097/pai.0000000000000874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023]
Abstract
Odontogenic lesions (OL) are an important group of oral and maxillofacial diseases represented by odontogenic cysts, benign, and malignant tumors. The brain-derived neurotrophic factor (BDNF)/ tropomyosin receptor kinase B (TrkB) signaling pathway has multiple biological actions and has been identified as an important pathway in the proliferation, invasion, and survival of different epithelial tumors. Its role in the development of OL, however, has so far been unexplored. Our aim was to evaluate the BDNF/TrkB/Akt/p-RPS6 signaling pathway in OL of epithelial origin. This cross-sectional study comprised 3 cases of tooth germs, 25 cases of odontogenic keratocyst (OK), 29 cases of ameloblastoma (Am), and 6 cases of ameloblastic carcinoma. Immunohistochemical staining for BDNF, TrkB, p-Akt, and p-RPS6 was performed. OLs were evaluated according to the pattern of immunohistochemical expression in epithelial cells and by semiquantitative scores that considered the intensity of staining and percentage of positive cells. BDNF stromal expression was also assessed. No significant differences were observed with respect to the percentage of positive cases for all markers. Regarding the immunoreactive scores, BDNF and p-RPS6 expressions were similar in the odontogenic epithelium of all OL. However, TrkB and p-Akt were overexpressed in OK compared with ameloblastic carcinoma. In Am, epithelial BDNF was significantly higher compared with stromal expression. In conclusion, BDNF seems to participate in the development of cystic, benign, and malignant odontogenic epithelium to similar degrees. The acquisition of the invasive or malignant phenotype in odontogenic neoplasms is not associated with alterations in the BDNF/TrkB/Akt/RPS6 axis, which could be implicated in the differentiation process.
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Affiliation(s)
- Florencia M L Dornelles
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul
- Molecular Pathology Area, School of Dentistry, Universidad de La Republica (UDELAR), Montevideo, Uruguay
| | - Vivian P Wagner
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba
| | - Felipe P Fonseca
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Carla Ariotti
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul
| | - Vinicius C Carrard
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul
| | - Pablo A Vargas
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba
- Department of Oral Pathology and Oral Biology, School of Dentistry, University of Pretoria, Pretoria, South Africa
| | - Celeste Sánchez-Romero
- Molecular Pathology Area, School of Dentistry, Universidad de La Republica (UDELAR), Montevideo, Uruguay
| | - Veronica Beovide
- Molecular Pathology Area, School of Dentistry, Universidad de La Republica (UDELAR), Montevideo, Uruguay
| | - Ronell Bologna-Molina
- Molecular Pathology Area, School of Dentistry, Universidad de La Republica (UDELAR), Montevideo, Uruguay
| | - Manoela D Martins
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba
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Khanmohammadi R, Mir F, Baniebrahimi G, Mirzaei H. Oral tumors in children: Diagnosis and management. J Cell Biochem 2017; 119:2474-2483. [DOI: 10.1002/jcb.26316] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 08/02/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Razieh Khanmohammadi
- Department of Pediatric Dentistry, School of DentistryTehran University of Medical SciencesTehranIran
| | - Fatemeh Mir
- Department of Pediatric Dentistry, School of DentistryZahedan University of Medical SciencesZahedanIran
| | - Ghazaleh Baniebrahimi
- Department of Pediatric Dentistry, School of DentistryTehran University of Medical SciencesTehranIran
| | - Hamed Mirzaei
- Department of Medical Biotechnology, School of Advanced Technologies in MedicineTehran University of Medical SciencesTehranIran
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Hu S, Divaris K, Parker J, Padilla R, Murrah V, Wright JT. Transcriptome Variability in Keratocystic Odontogenic Tumor Suggests Distinct Molecular Subtypes. Sci Rep 2016; 6:24236. [PMID: 27066764 PMCID: PMC4828651 DOI: 10.1038/srep24236] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 03/23/2016] [Indexed: 01/02/2023] Open
Abstract
Keratocystic Odontogenic Tumor (KCOT) is a locally aggressive developmental cystic neoplasm thought to arise from the odontogenic epithelium. A high recurrence rate of up to 30% has been found following conservative treatment. Aggressive tumor resection can lead to the need for extensive reconstructive surgery, resulting in significant morbidity and impacting quality of life. Most research has focused on candidate-genes with a handful of studies employing whole transcriptome approaches. There is also the question of which reference tissue is most biologically-relevant. This study characterizes the transcriptome of KCOT using whole genome microarray and compare it with gene expression of different odontogenic tissues (“dentome”). Laser capture microdissection was used to isolate the neoplastic epithelial tissue in 20 cases. KCOT gene expression was compared with the “dentome” and relevant pathways were examined. Cluster analysis revealed 2 distinct molecular subtypes of KCOT. Several inflammatory pathways were activated in both subtypes. The AKT pathway was activated in one subtype while MAP kinase pathway was activated in the other. Additionally, PTCH1 expression was downregulated in both clusters suggesting involvement in KCOT tumorigenesis. In conclusion, this study provides new insights into the transcriptome of KCOT and highlights pathways that could be of diagnostic and prognostic value.
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Affiliation(s)
- Shijia Hu
- Pediatric Dentistry, University of North Carolina, Chapel Hill, NC, USA.,Faculty of Dentistry, National University of Singapore, Singapore
| | - Kimon Divaris
- Pediatric Dentistry, University of North Carolina, Chapel Hill, NC, USA.,Epidemiology, Gillings School of Global Public Health, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
| | - Joel Parker
- Cancer Genetics, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
| | - Ricardo Padilla
- Diagnostic Sciences, School of Dentistry, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
| | - Valerie Murrah
- Diagnostic Sciences, School of Dentistry, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
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Abstract
Several molecular pathways have been shown to play critical roles in the pathogenesis of odontogenic tumors. These neoplasms arise from the epithelial or mesenchymal cells of the dental apparatus in the jaw or oral mucosa. Next generation genomic sequencing has identified gene mutations or single nucleotide polymorphisms associated with many of these tumors. In this review, we focus on two of the most common odontogenic tumor subtypes: ameloblastoma and keratocystic odontogenic tumors. We highlight gene expression and protein immunohistological findings and known genetic alterations in the hedgehog, BRAF/Ras/MAPK, epidermal growth factor receptor, Wnt and Akt signaling pathways relevant to these tumors. These various pathways are explored to potentially target odontogenic tumors cells and prevent growth and recurrence of disease. Through an understanding of these signaling pathways and their crosstalk, molecular diagnostics may emerge as well as the ability to exploit identified molecular differences to develop novel molecular therapeutics for the treatment of odontogenic tumors.
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Chaisuparat R, Limpiwatana S, Kongpanitkul S, Yodsanga S, Jham BC. The Akt/mTOR pathway is activated in verrucous carcinoma of the oral cavity. J Oral Pathol Med 2016; 45:581-5. [DOI: 10.1111/jop.12422] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2015] [Indexed: 01/19/2023]
Affiliation(s)
- Risa Chaisuparat
- Department of Oral Pathology, Developing Research Unit of Prevention and Therapy of Oral Cancers and Neoplasms by Herbal Medicine; Faculty of Dentistry; Chulalongkorn University; Pathumwan Bangkok Thailand
| | | | | | - Somchai Yodsanga
- Department of Oral Pathology, Developing Research Unit of Prevention and Therapy of Oral Cancers and Neoplasms by Herbal Medicine; Faculty of Dentistry; Chulalongkorn University; Pathumwan Bangkok Thailand
| | - Bruno C. Jham
- College of Dental Medicine-Illinois; Midwestern University; Downers Grove IL USA
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Yi YW, You K, Bae EJ, Kwak SJ, Seong YS, Bae I. Dual inhibition of EGFR and MET induces synthetic lethality in triple-negative breast cancer cells through downregulation of ribosomal protein S6. Int J Oncol 2015; 47:122-32. [PMID: 25955731 PMCID: PMC4735702 DOI: 10.3892/ijo.2015.2982] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 04/09/2015] [Indexed: 12/16/2022] Open
Abstract
Triple-negative breast cancer (TNBC) exhibits innate resistance to the EGFR inhibition despite high level expression of EGFR. Recently, we found that the proliferation of basal-like (BL) subtype TNBC cells is synergistically inhibited by combination of EGFR and PI3K/AKT inhibitors. On the contrary, TNBC cells of mesenchymal stem-like (MSL) subtype are resistant to these combinations. To identify potential synthetic lethal interaction of compounds for treatment of MSL subtype TNBC cells, we performed MTT screening of MDA-MB-231 cells with a small library of receptor tyrosine kinase inhibitors (RTKIs) in the presence of gefitinib, an EGFR inhibitor. We identified MET inhibitors as potent RTKIs that caused synthetic lethality in combination with gefitinib in MDA-MB-231 cells. We demonstrated that combination of a MET inhibitor SU11274 with various EGFR inhibitors resulted in synergistic suppression of cell viability (in MTT assay) and cell survival (in colony formation assay) of MSL subtype TNBC cells. We further demonstrated that SU11274 alone induced G2 arrest and gefitinib/SU11274 combination sustained the SU11274-induced G2 arrest in these cells. In addition, SU11274/gefitinib combination synergistically reduced the level of ribosomal protein S6 (RPS6) in MSL subtype TNBC cells. In addition, knockdown of RPS6 itself, in both HS578T and MDA-MB-231, markedly reduced the proliferation of these cells. Taken together, our data suggest that dual targeting of EGFR and MET inhibits the proliferation of MSL subtype TNBC cells through down-regulation of RPS6.
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Affiliation(s)
- Yong Weon Yi
- Department of Nanobiomedical Science and BK21 PLUS Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Kyusic You
- Department of Nanobiomedical Science and BK21 PLUS Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Edward Jeong Bae
- Department of Nanobiomedical Science and BK21 PLUS Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Sahng-June Kwak
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan, Republic of Korea
| | - Yeon-Sun Seong
- Department of Nanobiomedical Science and BK21 PLUS Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Insoo Bae
- Department of Nanobiomedical Science and BK21 PLUS Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
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