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Alarcón-Sánchez MA, Luna-Bonilla G, Romero-Servin S, Heboyan A. Podoplanin immunoexpression in odontogenic lesions: a systematic review, meta-analysis, and integrated bioinformatic analysis. Diagn Pathol 2024; 19:115. [PMID: 39182093 PMCID: PMC11344317 DOI: 10.1186/s13000-024-01540-y] [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: 05/04/2024] [Accepted: 08/18/2024] [Indexed: 08/27/2024] Open
Abstract
BACKGROUND Podoplanin (PDPN) is a transmembrane glycoprotein implicated in the pathogenesis of odontogenic lesions (OL). It is localized at the membrane and cytoplasmic level, and its interaction with other proteins could trigger cell proliferation, invasion and migration. The main objective of this systematic review is to explore the immunoexpression pattern of podoplanin in OL. In addition, as secondary objectives, we aimed to compare the immunostaining intensity of PDPN in OL, to analyze its interaction networks by bioinformatic analysis and to highlight its importance as a potential diagnostic marker useful in the pathogenesis of OL. METHODS The protocol was developed following PRISMA and Cochrane guidelines. The digital search was performed in the databases: PubMed/MEDLINE, ScienceDirect, Scopus, Web of Science and Google Schoolar from August 15, 2010 to June 15, 2023. We included cross-sectional and cohort studies that will analyze the pattern of PDPN immunoexpression in OL. Two investigators independently searched for eligible articles, selected titles and abstracts, analyzed full text, conducted data collection, and performed assessment of study quality and risk of bias. In addition, part of the results were summarized through a random-effects meta-analysis. STRING database was used for protein-protein interaction analysis. RESULTS Twenty-nine relevant studies were included. The ages of the subjects ranged from 2 to 89 years, with a mean age of 33.41 years. Twenty-two point two percent were female, 21.4% were male, and in 56.4% the gender of the participants was not specified. A total of 1,337 OL samples were analyzed for PDPN immunoexpression pattern. Ninety-four (7.03%) were dental follicles and germs, 715 (53.47%) were odontogenic cysts, and 528 (39.49%) were odontogenic tumors. Meta-analysis indicated that the immunostaining intensity was significantly stronger in odontogenic keratocysts compared to dentigerous cysts (SMD=3.3(CI=1.85-4.82, p=0.000*). Furthermore, bioinformatic analysis revealed that PECAM-1, TNFRF10B, MSN, EZR and RDX interact directly with PDPN and their expression in OL was demonstrated. CONCLUSIONS The results of the present systematic review support the unique immunoexpression of PDPN as a potential useful diagnostic marker in the pathogenesis of OL.
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Affiliation(s)
- Mario Alberto Alarcón-Sánchez
- Biomedical Science, Faculty of Chemical-Biological Sciences, Autonomous University of Guerrero, 39090, Chilpancingo de los Bravo, Guerrero, Mexico.
| | - Getsemani Luna-Bonilla
- Biomedical Science, Faculty of Chemical-Biological Sciences, Autonomous University of Guerrero, 39090, Chilpancingo de los Bravo, Guerrero, Mexico
| | - Selenne Romero-Servin
- Oral and Maxillofacial Pathology, National School of Higher Studies, Leon Unit of the National Autonomous University of Mexico, Leon, Guanajuato, 37684, Mexico
| | - Artak Heboyan
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600 077, India.
- Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Str. Koryun 2, Yerevan, 0025, Armenia.
- Department of Prosthodontics, School of Dentistry, Tehran University of Medical Sciences, North Karegar St., Tehran, Iran.
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Zolfaghari R, Bijani F, Seyedmajidi S, Seyedmajidi M. Lymphangiogenesis in Odontogenic Keratocysts Compared with Dentigerous Cysts. JOURNAL OF DENTISTRY (SHIRAZ, IRAN) 2024; 25:118-124. [PMID: 38962078 PMCID: PMC11217060 DOI: 10.30476/dentjods.2023.95946.1909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 02/12/2023] [Accepted: 04/26/2023] [Indexed: 07/05/2024]
Abstract
Statment of the Problem Podoplanin can indicate the lymphangiogenesis. On the other hand, lymphangiogenesis affects the biological behavior of lesions. The clinical behavior of odontogenic keratocysts (OKC) and dentigerous cysts (DC) is different. Purpose This study aimed to evaluate the immunohistochemical expression of podoplanin and to investigate lymphangiogenesis in OKCs as compared to DCs. Materials and Method In this experimental laboratory study, sixty paraffined blocks, including 30 OKC and 30 DC samples, were examined in this study, all of which were histopathologically non-inflamed. To evaluate lymphangiogenesis, the immunohistochemical reaction of D2-40 was evaluated via cytoplasmic and membrane staining of lymphatic endothelial cells. The expression of podoplanin in the epithelial cells of two cyst groups was also examined. To analyze the collected data and compare the results between the two groups of cysts, independent samples t-test, Mann-Whitney U test, and Chi-square test were performed in SPSS version 22. The significance level was set at 0.05. Results The mean lymph node count and podoplanin expression were significantly higher in the OKC epithelium as compared to DC (p< 0.001). Based on the results, 90% of OKC samples and 43.3% of DC samples showed grade 3 staining. Conclusion The rate of lymphangiogenesis and podoplanin expression in the epithelium were higher in OKCs compared to DCs. According to the results, the expression of podoplanin may be a useful marker for determining the invasiveness and proliferation of OKC.
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Affiliation(s)
- Reza Zolfaghari
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Fatima Bijani
- Oral Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Seyedali Seyedmajidi
- Dental Materials Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Seyedmajidi
- Dental Materials Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
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Noda Y, Sawada S, Sakagami T, Kojima Y, Higasa K, Tsuta K. Adenoid Ameloblastoma with BRAF p.V600E Mutation Revealing Ameloblastomatous Origin: A First Case Report. Head Neck Pathol 2023; 17:788-792. [PMID: 37093491 PMCID: PMC10514000 DOI: 10.1007/s12105-023-01555-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 04/12/2023] [Indexed: 04/25/2023]
Abstract
BACKGROUND Adenoid ameloblastoma (AdAM) is a frequently recurrent tumor that shows hybrid histological features of both ameloblastoma and adenomatoid odontogenic tumor (AOT). AdAM is expected to be classified as a new subtype of ameloblastoma in the next revision of the World Health Organization (WHO) odontogenic tumor classification. However, whether AdAM is a histologic variant of ameloblastoma or AOT remains unclear. To establish a new category, genetic evidence indicating the tumor category is necessary. METHODS We present a case of a 23-year-old Japanese woman with AdAM who underwent genetic/DNA analysis for ameloblastoma-related mutation using immunohistochemical staining, Sanger sequencing, and next-generation sequencing (NGS) analyses with reliable clinicopathological evidence. RESULTS Immunohistochemical expression of BRAF p.V600E was diffusely positive for both ameloblastoma- and AOT-like components. Sanger sequencing and NGS analyses showed missense mutations in BRAF p.V600E (c.1799T > A), a gene that is commonly altered in ameloblastomas but not in KRAS, another gene associated with AOT. CONCLUSION This case report is the first to provide genetic evidence on the ameloblastomatous origin of AdAM with a BRAF p.V600E mutation. A larger series of AdAM groups' molecular testing is needed to aptly classify them and prognosticate the best treatment.
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Affiliation(s)
- Yuri Noda
- Department of Pathology and Laboratory Medicine, Kansai Medical University Hospital, 2-3-1 Shin-Machi, Hirakata, Osaka, 573-1191, Japan.
- Department of Pathology, Kansai Medical University, 2-5-1 Shin-Machi, Hirakata, Osaka, 573-1010, Japan.
| | - Shunsuke Sawada
- Department of Dentistry and Oral Surgery, Kansai Medical University Hospital, 2-3-1 Shin-Machi, Hirakata, Osaka, 573-1191, Japan
| | - Tomofumi Sakagami
- Department of Otolaryngology, Head and Neck Surgery, Kansai Medical University Hospital, 2-3-1 Shin-Machi, Hirakata, Osaka, 573-1191, Japan
| | - Yuka Kojima
- Department of Dentistry and Oral Surgery, Kansai Medical University Hospital, 2-3-1 Shin-Machi, Hirakata, Osaka, 573-1191, Japan
| | - Koichiro Higasa
- Department of Genome Analysis, Institute of Biomedical Science, Kansai Medical University, 2-5-1 Shin-Machi, Hirakata, Osaka, 573-1010, Japan
| | - Koji Tsuta
- Department of Pathology and Laboratory Medicine, Kansai Medical University Hospital, 2-3-1 Shin-Machi, Hirakata, Osaka, 573-1191, Japan
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Anjum B, Gannepalli A, Baghirath PV, Abidullah M, Penigalapati S, Ch G. Comparative evaluation of podoplanin in odontogenic cysts and tumours to determine their proliferative potential-An immunohistochemical study. J Oral Maxillofac Pathol 2023; 27:259-265. [PMID: 37854898 PMCID: PMC10581310 DOI: 10.4103/jomfp.jomfp_76_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/24/2023] [Accepted: 04/24/2023] [Indexed: 10/20/2023] Open
Abstract
Context Odontogenic cysts and tumours are a wide array of complex pathological entities ranging from mild indolent to aggressive detrimental in nature, which occur as a result of anomalous alterations in normal odontogenesis. Hence, these odontogenic lesions need to be evaluated extensively by using potential immunohistochemical markers. Aim To evaluate and compare the expression of podoplanin, a lymphoendothelial IHC marker in odontogenic cysts and odontogenic tumours to determine their proliferative potential. Settings and Design All the study samples were retrieved from the archives of the Department of Oral Pathology and Microbiology, PIDS&RC, Hyderabad. The study samples were selected as per the standard histopathological diagnostic criteria and subjected for IHC analysis using podoplanin. Method and Materials Seventy paraffin-embedded tissue specimens of OKC, OOC, dentigerous cyst (DC) and ameloblastoma (AM) include study sample, which were stained with podoplanin IHC marker and staining properties were evaluated. All the cases were categorized as high, moderate, weak or negatively reactive on the basis of the composite scoring. Statistical Analysis Used Statistical analysis was done using SPSS version 14, and then results were compared by ANOVA post hoc test and Kruskal Wallis Test. Results In the comparison of composite scores of OKCs and AM, there was no significant statistical difference. Conclusion The present study contributes to the significant association of podoplanin expression with cellular proliferation, cystic expansion and local invasiveness of odontogenic cysts and tumours through cytoskeletal reorganization and cell migration.
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Affiliation(s)
- Bushra Anjum
- Department of Oral Pathology and Microbiology, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Ashalata Gannepalli
- Department of Oral Pathology and Microbiology, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Pacha V. Baghirath
- Department of Oral Pathology and Microbiology, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
| | - Mohammed Abidullah
- Department of Biomedical Dental Sciences, Albaha University, Al Bahah, Saudi Arabia
| | - Sivaram Penigalapati
- Department of Conservative Dentistry and Endodontics, Mallareddy Dental College for Women, Suraram, Telangana, India
| | - Gayatri Ch
- Department of Oral Pathology and Microbiology, Panineeya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, India
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Podoplanin Expression in Odontogenic Keratocysts Associated or not Associated With Nevoid Basal Cell Carcinoma Syndrome. Appl Immunohistochem Mol Morphol 2021; 28:513-517. [PMID: 31241560 DOI: 10.1097/pai.0000000000000785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Podoplanin is a transmembrane glycoprotein expressed on various normal or neoplastic cells. Some studies have shown that podoplanin promotes the migration and invasion of tumor cells. This study evaluated a podoplanin expression in Odontogenic Keratocysts (OKs) associated or not associated with Nevoid Basal Cell Carcinoma Syndrome (NBCCS) and in Orthokeratinized Odontogenic Cysts (OOCs). MATERIALS AND METHODS A total of 50 lesions were obtained in this study, 28 OKs, 18 OKs associated with NBCCS, and 4 OOCs. Immunohistochemical expression of podoplanin in epithelial cells was evaluated using the following score: (a) intensity of immunostaining: (0: absent, 1: weak, 2: moderate, 3: strong, and 4: very strong) and (b) number of positively cells (0: 0%, 1: <25%, 2: 25% to 50%, 3: 50% to 75%, and 4: >75%). The final score was determined by adding the scores of a and b and ranged from 0 to 8 (0: absent, 1 to 4: weak, and 5 to 8: strong). RESULTS Podoplanin expression was significantly stronger in the basal layer OKs and NBCCS lesions. Further, podoplanin expression was the highest in the suprabasal layer of NBCCS lesions, followed by the suprabasal layers of OK and OOC lesions. CONCLUSIONS Podoplanin expression is different in lesions of different biological behaviors. Podoplanin seems to play a role in cell proliferation and migration.
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Orikpete EV, Omoregie OF, Ojo MA. Proliferative and anti-apoptotic indices of unicystic ameloblastoma, odontogenic keratocyst, dentigerous cyst and radicular cyst. J Oral Maxillofac Pathol 2020; 24:399. [PMID: 33456257 PMCID: PMC7802867 DOI: 10.4103/jomfp.jomfp_289_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 05/16/2020] [Accepted: 07/06/2020] [Indexed: 12/03/2022] Open
Abstract
Objective: The aim of this study is to compare the proliferative capacity and antiapoptotic capacity of unicystic ameloblastoma (UA), odontogenic keratocyst (OKC), dentigerous cyst (DC) and radicular cyst (RC) by assessing the Ki-67 labeling index (LI) and Bcl-2 LI, respectively. Materials and Methods: Formalin-fixed, paraffin-embedded tissue blocks of twenty-three histopathologically diagnosed UAs, 6 OKCs, 8 DCs and 10 RCs were selected from the archival specimens. Five micrometer thick sections of tissue blocks of the lesions were processed for immunohistochemical staining with Ki-67 and Bcl-2. The Ki-67 LI and Bcl-2 LI were determined for the cases with a positive reaction. Results: Ki-67 expression was seen in 6 (26.1%) cases of UA, 4 (66.7%) OKC, 1 (12.5%) DC and 1 (10.0%) RC. There was a statistically significant difference between the mean Ki-67 LI of UA and OKC (P = 0.024). Bcl-2 expression was seen in 16 (69.6%) UA, 5 (83.3%) OKC, 5 (62.5%) DC and 5 (50.0%) RC. The mean Bcl-2 LI of UA was significantly higher than that of DC (P = 0.048). Furthermore, cases of OKC had significantly higher mean Bcl-2 LI compared to DC (P = 0.026) and RC (P = 0.049). Conclusion: This study suggests that the Ki-67 LI may help in differentiating OKC from UA. The Bcl-2 LI may be useful in differentiating UA from DCs, and differentiating OKC from DC and RC.
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Affiliation(s)
- Efetobo Victor Orikpete
- Department of Oral Pathology and Oral Biology, Faculty of Dentistry, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria
| | - Osawe Felix Omoregie
- Department of Oral and Maxillofacial Pathology and Medicine, School of Dentistry, University of Benin, Benin City, Edo State, Nigeria
| | - Michael Akin Ojo
- Department of Oral and Maxillofacial Pathology and Medicine, School of Dentistry, University of Benin, Benin City, Edo State, Nigeria
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