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Noronha MSD, Souto GR, Felix FA, Abreu LG, Aguiar MCF, Mendonça EF, Mesquita RA. Mast cells in oral lichen planus and oral lichenoid lesions related to dental amalgam contact. Braz Oral Res 2024; 38:e005. [PMID: 38198305 PMCID: PMC11376600 DOI: 10.1590/1807-3107bor-2024.vol38.0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 12/06/2022] [Indexed: 01/12/2024] Open
Abstract
The aim of this study was to analyze the expression of mast cell markers toluidine blue, c-kit, and tryptase and presence of mononuclear inflammatory cells in oral lichen planus (OLP) and oral lichenoid lesions related to dental amalgam. Nineteen specimens of OLP, OLLC, and healthy oral mucosa were selected. Mononuclear inflammatory cells were analyzed. Histochemical and immunohistochemical analyses were performed using toluidine blue, anti-c-kit and anti-tryptase reagents, and the results were quantified in areas A and B of connective tissue. Mast cells of all OLP and OLLC samples were positive for toluidine blue, c-kit, and tryptase. The density of toluidine blue+, c-kit+ and tryptase+ mast cells was higher in tissue with OLP and OLLC compared with healthy controls (p < 0.05). No difference was noted in mast cells density between OLP and OLLC (p > 0.05). The density of tryptase+ mast cells was higher in the subepithelial region (area A) than the region below it (Area B) in OLLC (p = 0.047). The mononuclear inflammatory cell density was higher in OLLC compared to OLP, but without statistical significance (p > 0.05). A positive statistical correlation was found between mononuclear immune cells and density of c-kit+ and tryptase+ mast cells in OLP (r = 0.943 and r = 0.886, respectively). Our data demonstrate that the etiopathogenesis process of OLP and OLLC modulates the expansion and degranulation of mast cells; mast cells density, however, was similar between OLP and OLLC. The distribution of mast cells appears to vary along the lamina propria.
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Affiliation(s)
- Mariana Saturnino de Noronha
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Oral Surgery and Pathology, Belo Horizonte, MG, Brasil
| | - Giovanna Ribeiro Souto
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Oral Surgery and Pathology, Belo Horizonte, MG, Brasil
| | - Fernanda Aragão Felix
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Oral Surgery and Pathology, Belo Horizonte, MG, Brasil
| | - Lucas Guimarães Abreu
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Paediatric Dentistry and Orthodontics, Belo Horizonte, MG, Brasil
| | - Maria Cássia Ferreira Aguiar
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Oral Surgery and Pathology, Belo Horizonte, MG, Brasil
| | - Elismauro Francisco Mendonça
- Universidade Federal de Goiás - UFG, School of Dentistry, Department of Stomatology (Oral Pathology), Goiânia, GO, Brazil
| | - Ricardo Alves Mesquita
- Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Oral Surgery and Pathology, Belo Horizonte, MG, Brasil
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2
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Caponio VCA, Zhurakivska K, Lo Muzio L, Troiano G, Cirillo N. The Immune Cells in the Development of Oral Squamous Cell Carcinoma. Cancers (Basel) 2023; 15:3779. [PMID: 37568595 PMCID: PMC10417065 DOI: 10.3390/cancers15153779] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/11/2023] [Accepted: 07/18/2023] [Indexed: 08/13/2023] Open
Abstract
A still unresolved issue surrounding tumor formation concerns the role that the immune system plays in preventing the formation and progression of neoplasia, including oral squamous cell carcinoma (OSCC). Antitumor immunity has historically been seen as a critical barrier for cancer cells to develop, grow and spread, and this can be modulated using immunotherapies to achieve antitumor clinical responses. However, it has recently become clear that tumor-associated immunity, particularly the inflammatory microenvironment, has the paradoxical effect of enhancing tumorigenesis and progression. In this review, we discuss the multifaceted function of infiltrating immune cells in suppressing or promoting premalignancy and cancer. In particular, we report on the evidence supporting a role for T lymphocytes, dendritic cells, macrophages, and neutrophils in the development and progression of oral potentially malignant disorders (OPMD) and OSCC. We also draw attention to the clinical relevance of immune cell phenotypes and associated molecules for use as biomarkers and to the translatability of current research findings to improve classification systems and precision medicine in patients with OSCC.
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Affiliation(s)
- Vito Carlo Alberto Caponio
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (V.C.A.C.); (K.Z.); (L.L.M.); (G.T.)
| | - Khrystyna Zhurakivska
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (V.C.A.C.); (K.Z.); (L.L.M.); (G.T.)
| | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (V.C.A.C.); (K.Z.); (L.L.M.); (G.T.)
| | - Giuseppe Troiano
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (V.C.A.C.); (K.Z.); (L.L.M.); (G.T.)
| | - Nicola Cirillo
- Melbourne Dental School, The University of Melbourne, Melbourne, VIC 3010, Australia
- School of Dentistry, University of Jordan, Amman 11942, Jordan
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3
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Harris A, Andl T. Precancerous Lesions of the Head and Neck Region and Their Stromal Aberrations: Piecemeal Data. Cancers (Basel) 2023; 15:cancers15082192. [PMID: 37190121 DOI: 10.3390/cancers15082192] [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: 03/03/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) develop through a series of precancerous stages from a pool of potentially malignant disorders (PMDs). Although we understand the genetic changes that lead to HNSCC, our understanding of the role of the stroma in the progression from precancer to cancer is limited. The stroma is the primary battleground between the forces that prevent and promote cancer growth. Targeting the stroma has yielded promising cancer therapies. However, the stroma at the precancerous stage of HNSCCs is poorly defined, and we may miss opportunities for chemopreventive interventions. PMDs already exhibit many features of the HNSCC stroma, such as inflammation, neovascularization, and immune suppression. Still, they do not induce cancer-associated fibroblasts or destroy the basal lamina, the stroma's initial structure. Our review aims to summarize the current understanding of the transition from precancer to cancer stroma and how this knowledge can reveal opportunities and limitations for diagnostic, prognostic, and therapeutic decisions to benefit patients. We will discuss what may be needed to fulfill the promise of the precancerous stroma as a target to prevent progression to cancer.
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Affiliation(s)
- Ashlee Harris
- Burnett School of Biomedical Sciences, University of Central Florida, 12722 Research Pkwy, Orlando, FL 32826, USA
| | - Thomas Andl
- Burnett School of Biomedical Sciences, University of Central Florida, 12722 Research Pkwy, Orlando, FL 32826, USA
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4
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Paşcalău AV, Cheregi CD, Mureşan MŞ, Şandor MI, Huniadi CA, Nikin Z, Judea Pusta CT, Bodog FD, Ionescu C, Pop OL. CD4+ CD25+ regulatory T-cells role in tumor microenvironment of the squamous cell carcinoma. ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY 2021; 62:249-253. [PMID: 34609428 PMCID: PMC8597358 DOI: 10.47162/rjme.62.1.25] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Introduction: Squamous cell carcinoma (SCC) is the most common skin cancer with a high rate of death. Different lymphocyte populations play an important role in modulating the immune response in the tumor microenvironment. The increase in the proportion of cluster of differentiation (CD)4+ CD25+ regulatory T-cell (Treg) lymphocytes is associated, in different studies, with the increase of the cell multiplication rate. Aim: To analyze the Treg lymphocyte subpopulations and to correlate the results with the presence of the CD8+ cytotoxic T-cell (Tc) lymphocyte population. Materials and Methods: Sixty primary skin SCC specimens were incubated with anti-CD8 (clone SP57) rabbit monoclonal antibody and anti-CD25 (clone 4C9) mouse monoclonal antibody. Results: The ratio of the intratumoral/peritumoral CD4+ CD25+ forkhead box protein p3 (Foxp3) lymphocytes was 0.46, emphasizing that at tumor margins, where tumor aggressiveness is higher, these lymphocytes subpopulations facilitate tumor progression. The comparative analysis of the tumor microenvironment profile revealed that in the case of intratumoral immune response, the number of Tc-type lymphocytes (CD8+) was 3.34 times higher compared to Treg lymphocytes (p<0001). In the peritumoral area, the number of Tc lymphocytes was 5.05 times higher compared to Treg lymphocytes (p<0001). Conclusions: Treg lymphocytes inhibition may cause the suppression of the antitumoral cell immune response in the tumor environment. We believe that Treg lymphocytes should represent a focus of interest for a new personalized therapy. New studies are needed to better understand the immune response in the tumor microenvironment.
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Affiliation(s)
- Andrei Vasile Paşcalău
- Department of Surgical Disciplines, Department of Morphological Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania; ,
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Evaluation of Mast Cells in Oral Potentially Malignant Disorders and Oral Squamous Cell Carcinoma. Int J Dent 2021; 2021:5609563. [PMID: 34490052 PMCID: PMC8418547 DOI: 10.1155/2021/5609563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/15/2021] [Accepted: 08/19/2021] [Indexed: 11/18/2022] Open
Abstract
Background Oral squamous cell carcinoma (OSCC) and oral potentially malignant disorders (OPMDs) are epithelial-derived pathologies which share inflammation as a common initial pathogenic-inducing state. Mast cell is a key immune modulating cell which is primarily involved in initiation and propagation of inflammation. The role of mast cell in OPMDs and OSCC has been an established fact; however, its definitive pathogenic correlation is still under study. The objective of the study was to evaluate the number of mast cell in OPMDs and OSCC using special stain correlating its probable role as a promoter or retarder of OSCC. Materials and Methods Forty-five archival histopathologically confirmed cases each of OPMD and OSCC were studied for mast cells using toluidine blue and Alcian blue-safranin stain and compared with 10 normal oral mucosal tissues. Comparisons between the mast cells count was also performed between the two special stains. Results Among 100 cases, 67% were males and 33% were females. The mean age was 41.68 ± 13.39; 55.06 ± 12.55; and 18.4 ± 2.54 years for OPMDs, OSCC, and normal, respectively. A statistically significant increase in mast cells among OPMDs (9.88 ± 7.9) and OSCC (6.711 ± 3.94) was observed compared to normal oral mucosa. The mast cell count reduced among OSCC in comparison to OPMDs which was significant as well. The mean mast cell count for Alcian blue-safranin stain was higher than toluidine blue stain. Conclusion There is a decrease in mean mast cell count from OPMDs to OSCC which is suggestive of protective role of mast cell. Proper quantification of mast cells using specific stains can guide to define prognosis in oral potentially malignant disorders and oral cancer.
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6
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Ansari FM, Asif M, Kiani MN, Ara N, Ishaque M, Khan R. Evaluation of Mast Cell Density using CD117 antibody and Microvessel Density Using CD34 Antibody in Different Grades of Oral Squamous Cell Carcinoma. Asian Pac J Cancer Prev 2020; 21:3533-3538. [PMID: 33369449 PMCID: PMC8046326 DOI: 10.31557/apjcp.2020.21.12.3533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Indexed: 11/30/2022] Open
Abstract
Objective: To compare mast cell and microvessel densities among histologic grades of oral squamous cell carcinoma. Setting: Armed Forces Institute of Pathology. Materials and Methods: A total of 60 specimens of OSCC comprising 20 each of well, moderately and poorly differentiated were evaluated. Immunohistochemical analysis was performed to measure MCD and MVD by applying monoclonal CD117 antibody and monoclonal CD34 antibody, on formalin fixed and paraffin embedded sections. ANOVA and Post Hoc Tukey test was employed to assess the densities and to compare the differences between different grades of OSCC. A p-value <0.05 was considered to as significant. Results: There were 67% males and 33% females with a mean age of 60.1±16.0years. Immunohistochemical analysis revealed MCD to be 31.0±5.5 25.05±5.2, 10.90±3.5 in well, moderately and poorly differentiated OSCC. The intergroup comparison of decrease in MCD was also found to be statistically significant. The mean MVD was found to be 17.55±4.2, 20.35±3.6 and 28.60±3.2 in WDOSCC, MDOSCC and PDOSCC respectively. The pair wise result of MVD was found insignificant between well and moderately differentiated OSCC (p=0.057). However, the results of MVD was significant for well versus poorly differentiated and moderately versus poorly differentiated OSCC (p<0.001). Conclusion: The protective role of mast cells in OSCC is favored as a decrease in MCD is observed with the advancing histological grade of tumor. Significant results of MCD and MVD reveal that they can be used as an indicator for the disease progression in oral tumors This outcome might help delineating tumor population to get advantage from novel treatment modalities like mast cell degranulation blocking agents and anti-angiogenic therapy.
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Affiliation(s)
- Fakeha Meraj Ansari
- Department of Histopathology, Armed Forces Institute of Pathology, Rawalpindi, Pakistan
| | - Muhammad Asif
- Consultant Histopathologist, Armed Forces Institute of Pathology, Rawalpindi, Pakistan
| | - Maryam Nazir Kiani
- Department of Histopathology, Armed Forces Institute of Pathology, Rawalpindi, Pakistan
| | - Nighat Ara
- Department of Oral Pathology, Army Medical College, Rawalpindi, Pakistan
| | - Muhammad Ishaque
- Department of Histopathology, Armed Forces Institute of Pathology, Rawalpindi, Pakistan
| | - Rabia Khan
- Department of Orthodontics, Armed Forces Institute of Dentistry, Rawalpindi, Pakistan
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7
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Narayan KV, Sonia G, Shrestha P, Hemadala G. A Comparative Study of Mast Cells Count in Different Histological Grades of Oral Squamous Cell Carcinoma by Using Toluidine Blue Stain. Cureus 2020; 12:e10626. [PMID: 33123439 PMCID: PMC7584318 DOI: 10.7759/cureus.10626] [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] [Indexed: 11/05/2022] Open
Abstract
Background Oral squamous cell carcinoma (OSCC) is the sixth most common cancer worldwide accounting for 90% of all malignant oral lesions with high mortality and a five-year survival rate of about 50%. Various studies have shown mast cells regulate carcinogenesis by immunosuppression, angiogenesis enhancement, and promotion of tumor cell mitosis. Aim Hence, the present study was aimed to compare mast cell counts in normal oral mucosa with histological grades of oral squamous cell carcinoma by using toluidine blue stain. Methodology Sixty formalin-fixed, paraffin-embedded tissue samples included 15 well-differentiated, 15 moderately differentiated, and 15 poorly differentiated OSCC, as well as 15 cases of the normal oral mucosa (control), were sectioned and stained with 1% toluidine blue. Results We observed that the mean mast cell (MMC) count was comparatively more in normal mucosa than in various grades of OSCC. It was higher in low-grade OSCC. However, the differences between grades were not statistically significant. Conclusion In the present study, according to the results obtained, the MMC count was significantly decreased in OSCC in comparison with normal oral mucosa. Therefore, it can be assumed that mast cells could serve as an indicator of tumor progression.
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Affiliation(s)
- Keerthi V Narayan
- Department of Oral and Maxillofacial Pathology, Dr. M.G.R. Educational and Research Institute, Chennai, IND
| | - Grace Sonia
- Department of Oral and Maxillofacial Pathology, Rajarajeswari Dental College and Hospital, Bangalore, IND
| | - Parikshya Shrestha
- Department of Oral and Maxillofacial Pathology, KIST Medical College and Teaching Hospital, Lalitpur, NPL
| | - Girish Hemadala
- Department of Oral and Maxillofacial Pathology, Rajarajeswari Dental College and Hospital, Bangalore, IND
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8
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Teófilo CR, Ferreira Junior AEC, Batista AC, Fechini Jamacaru FV, Sousa FB, Lima Mota MR, Silva MFE, Barros Silva PGD, Alves APNN. Mast Cells and Blood Vessels Profile in Oral Carcinogenesis: An Immunohistochemistry Study. Asian Pac J Cancer Prev 2020; 21:1097-1102. [PMID: 32334476 PMCID: PMC7445991 DOI: 10.31557/apjcp.2020.21.4.1097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Indexed: 01/04/2023] Open
Abstract
Background: The objectives of the present study were to evaluate angiogenesis and mast cell density in oral epithelial dysplasia and oral squamous cell carcinoma (OSCC). Materials and Methods: This was an observational, retrospective and quantitative study. The samples consisted of 60 tissue specimens from patients with squamous cell carcinoma, epithelial dysplasia and controls (n=20/group). Immunohistochemistry was performed using an anti-tryptase antibody to mast cells and anti-CD31 and anti-CD34 for blood vessels and we count the number of mast cells and determine the percentage of CD31 and CD34 antibody staining (vascular density). Results: The mast cells had lower density in OSCC compared to control and dysplasia (p = 0.009). In angiogenesis, the expression of CD31 showed a higher percentage of blood vessels in OSCC (p < 0.001), however, CD34 showed no difference between groups (p=0.092). The CD31 antibody presented as a high immunostaining in oral mucosa than CD34. Conclusions: The increased vascularity in squamous cell carcinoma suggests that angiogenesis begins when malignant transformation starts that seems to be inversely associated with the number of mast cells.
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Affiliation(s)
- Carolina Rodrigues Teófilo
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | | | - Aline Carvalho Batista
- Oral Rehabilitation and Preventive Department, Dental School, Federal University of Goias, Goiana, Brazil
| | | | - Fabricio Bitu Sousa
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Mário Rogério Lima Mota
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Malena Freitas E Silva
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Paulo Goberlânio De Barros Silva
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Ana Paula Negreiros Nunes Alves
- Department of Dental Clinic, Division of Oral Pathology, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
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Kurihara-Shimomura M, Sasahira T, Shimomura H, Bosserhoff AK, Kirita T. Mast cell chymase promotes angiogenesis and lymphangiogenesis mediated by activation of melanoma inhibitory activity gene family members in oral squamous cell carcinoma. Int J Oncol 2020; 56:1093-1100. [PMID: 32319583 DOI: 10.3892/ijo.2020.4996] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/09/2020] [Indexed: 12/24/2022] Open
Abstract
Mast cells (MCs) are present in the tumor stroma, and MCs that express the mast cell‑specific proteases tryptase and chymase (MCTC) exhibit several tumor‑related functions. It was previously reported that melanoma inhibitory activity (MIA) gene family members, including MIA, MIA2, and transport and Golgi organization protein 1 (TANGO), possess oncogenic functions in oral squamous cell carcinoma (OSCC). However, the relationships between MCTC, and clinicopathological characteristics and activation of the MIA gene family in OSCC remain unknown. In the present study, the functional roles of MCTC in patients with OSCC were investigated using immunohistochemistry and reverse transcription‑quantitative PCR. In addition, the effects of extracellular chymase on oral cancer cells were examined. In patients with OSCC, MCTC density was significantly affected by tumor progression and nodal metastasis, and was correlated with vessel density. MCTC density was also correlated with MIA and MIA2 expression. In OSCC cells, extracellular chymase promoted the secretion of vascular endothelial growth factor family proteins, and the transmigration and adhesion of HSC3 cells to endothelial cells; knockdown of MIA, MIA2 and TANGO attenuated these effects. The present findings indicated that MCTC act as tumor‑progressive factors in OSCC via the activation and secretion of MIA and MIA2, and the induction of angiogenesis and lymphangiogenesis.
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Affiliation(s)
| | - Tomonori Sasahira
- Department of Molecular Pathology, Nara Medical University, Kashihara, Nara 634‑8521, Japan
| | - Hiroyuki Shimomura
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Nara 634‑8521, Japan
| | - Anja Katrin Bosserhoff
- Institute for Biochemistry, Friedrich‑Alexander University Erlangen‑Nürnberg, D‑91054 Erlangen, Germany
| | - Tadaaki Kirita
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Nara 634‑8521, Japan
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Pereira NDS, Pinheiro TN. Histomorphometric Comparative Analysis between Oral Dysplastic Potentially Malignant Disorders and Oral Squamous Cell Carcinoma. Eur J Dent 2019; 13:1-4. [PMID: 31170764 PMCID: PMC6635962 DOI: 10.1055/s-0039-1688734] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Objective
This study aimed to determine the correlation between the vascular mast cells and inflammatory changes in the potentially malignant disorders, compared to the oral squamous cell carcinoma (OSCC) in varying degrees of dysplasia.
Materials and Methods
Thirty samples were selected: 10 of OSCC, 10 of oral leukoplakia, and 10 of actinic keratosis. The toluidine blue technique was used on the mast cells, and hematoxylin and eosin were used for analyzing the lymphocytes, mitosis, and vessels. The quantification was performed using the ImageJ software after obtaining the images by light microscopy with a × 40 objective. Analysis of variance with
p
< 0.05 was considered for statistical significance.
Results
Mast cells (
p
< 0.0158), vessels (
p
< 0.9431), lymphocytes (
p
< 0.0001), and mitoses (
p
< 0.0009) were found in OSCC. In potentially malignant disorders, a lower density of these structures and a higher concentration of mitosis in the actinic keratosis were observed.
Conclusion
The results showed evidence of a positive correlation between mast cells and vascularization in the OSCC, suggesting the aggression of the disease. Intense inflammatory infiltrate indicates that other molecular events are involved in the carcinogenesis process, and further studies are necessary for a better understanding of it.
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Affiliation(s)
- Natalia Da Silva Pereira
- School of Health Sciences, Department of Dentistry, Amazonas State University, Manaus, Amazonas, Brazil
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Evaluation of Mast Cell Density in the Tumor Microenvironment in Oral Epithelial Dysplasia and Oral Squamous Cell Carcinoma. Appl Immunohistochem Mol Morphol 2018; 25:e83-e88. [PMID: 29116959 DOI: 10.1097/pai.0000000000000587] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The objective of this study was to compare mast cell density (MCD) in oral epithelial dysplasias (OED) and oral squamous cell carcinoma (OSCC) and determine its correlation with clinical and histopathologic parameters and the degree of tumor differentiation. Thirty OSCC samples, 14 OED samples, and 4 non-neoplastic oral mucosa samples were analyzed by immunohistochemistry to determine MCD based on the expression of MC tryptase. In addition, MCs were categorized morphologically into degranulated and granulated cells. MCD was significantly higher in OSCC lesions with a greater degree of differentiation (P=0.04). No significant difference in MCD was detected between mild and moderate OED samples (P=0.09). Our findings indicate that MCs are present in the tumor microenvironment and may be associated with a better prognosis.
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Mafra RP, Serpa MS, Lima KCD, Silveira ÉJDD, Souza LBD, Pinto LP. Immunohistochemical analysis of lymphatic vessel density and mast cells in oral tongue squamous cell carcinoma. J Craniomaxillofac Surg 2018; 46:2234-2239. [PMID: 30482715 DOI: 10.1016/j.jcms.2018.09.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/02/2018] [Accepted: 09/26/2018] [Indexed: 12/14/2022] Open
Abstract
The aim of this study was to analyze lymphangiogenesis and the presence of mast cells in oral tongue squamous cell carcinoma (OTSCC), correlating the findings with clinicopathological parameters (clinical stage, tumor size, nodal metastasis, histological grade of malignancy, local recurrence, and clinical outcome). Fifty-six cases of primary OTSCC were selected. Lymphatic vessels and mast cells were identified by immunostaining with anti-podoplanin (D2-40) and anti-tryptase antibody, respectively. Lymphatic vessel density (LVD) and mast cell density (MCD) were determined in the intratumoral and peritumoral areas. Intratumoral LVD was higher in advanced clinical stages (III/IV) when compared to early-stage (p = 0.017) and in metastatic cases compared to non-metastatic tumors (p = 0.013). Peritumoral LVD and intratumoral or peritumoral MCD did not differ significantly according to the clinicopathological parameters of OTSCCs (p > 0.05). No significant correlations between LVD and MCD were observed at the intratumoral (r = -0.014; p = 0.918) or peritumoral level (r = 0.156; p = 0.251). Our findings suggest that intratumoral lymphatic vessels, compared to peritumoral lymphatic vessels, appear to be more related to the progression of OTSCC. MCD alone does not seem to be determinant for lymphangiogenesis or for the biological behavior of OTSCC, indicating multiple pro- and antitumor effects of these inflammatory cells.
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Affiliation(s)
- Rodrigo Porpino Mafra
- Postgraduate Program in Oral Pathology, Federal University of Rio Grande do Norte, Natal, RN, Brazil.
| | - Marianna Sampaio Serpa
- Postgraduate Program in Sciences, International Research Center/CIPE, A. C. Camargo Cancer Center, São Paulo, SP, Brazil
| | - Kenio Costa de Lima
- Postgraduate Program in Public Health, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | | | - Lélia Batista de Souza
- Postgraduate Program in Oral Pathology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Leão Pereira Pinto
- Postgraduate Program in Oral Pathology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
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Suppression of skin tumorigenesis in CD109-deficient mice. Oncotarget 2018; 7:82836-82850. [PMID: 27756876 PMCID: PMC5347736 DOI: 10.18632/oncotarget.12653] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 10/02/2016] [Indexed: 12/17/2022] Open
Abstract
CD109 is a glycosylphosphatidylinositol-anchored glycoprotein that is highly expressed in several types of human cancers, particularly squamous cell carcinomas. We previously reported that CD109-deficient mice exhibit epidermal hyperplasia and chronic skin inflammation. Although we found that CD109 regulates differentiation of keratinocytes in vivo, the function of CD109 in tumorigenesis remains unknown. In this study, we investigated the role of CD109 in skin tumorigenesis using a two-stage carcinogenesis model in CD109-deficient mice with chronic skin inflammation. Immunohistochemical analysis revealed a higher level of TGF-β protein expression in the dermis of CD109-deficient mice than in that of wild-type mice. Additionally, immunofluorescence analysis showed that Smad2 phosphorylation and Nrf2 expression were enhanced in primary keratinocytes from CD109-deficient mice compared with in those from wild-type mice. Although no significant difference was found in conversion rates from papilloma to carcinoma between wild-type and CD109-deficient mice in the carcinogenesis model, we observed fewer and smaller papillomas in CD109-deficient mice than in wild-type mice. Apoptosis and DNA damage marker levels were significantly reduced in CD109-deficient skin compared with in wild-type skin at 24 h after 7, 12-dimethylbenz (α) anthracene treatment. Furthermore, mutation-specific PCR revealed that the mutation frequency of the H-ras gene was less in CD109-deficient skin than in wild-type skin in this model. These results suggest that CD109 deficiency suppresses skin tumorigenesis by enhancing TGF-β/Smad/Nrf2 pathway activity and decreasing the mutation frequency of the H-ras gene.
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Singh S, Gupta V, Vij R, Aggarwal R, Sharma B, Nagpal M. Evaluation of mast cells in oral premalignant and malignant lesions: A histochemical study. Natl J Maxillofac Surg 2018; 9:184-190. [PMID: 30546233 PMCID: PMC6251297 DOI: 10.4103/njms.njms_49_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Introduction: Oral leukoplakia, oral submucous fibrosis, and oral lichen planus are the precancerous or potentially malignant lesions and conditions whereas oral squamous cell carcinoma (OSCC) is a cancerous or malignant lesion of the oral cavity. They have characteristic clinical and histopathological features. These diseases not only originate from epithelium but also associated with chronic inflammation juxta-epithellialy. Mast cells present in the connective tissue stroma and release pro-inflammatory and mitogenic cytokines. These functions of mast cells contribute and enhance the pathogenesis translation of diseases. Aim: The study was done to histologically evaluate the number of mast cells in oral epithelial dysplasia and OSCC and compare it with normal oral mucosa (NOM). Materials and Methods: Forty-five cases each of oral dysplasia, OSCC and ten cases of NOM were studied for mast cell number using toluidine blue. Results: There was a highly significant increase of mast cells in oral epithelial dysplasia on comparison with OSCC whereas there was only a significant increase in mast cells in OSCC on comparison with NOM. Conclusion: The literature has proven that mast cells can be an indicator of increased angiogenesis and hence can help in the prediction of carcinogenesis, its progression, and also the prognosis of the malignant lesions.
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Affiliation(s)
- Shreya Singh
- Department of Oral and Maxillofacial Pathology and Microbiology, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand, India
| | - Vineeta Gupta
- Department of Oral and Maxillofacial Pathology and Microbiology, IDST, Modinagar, India
| | - Ruchieka Vij
- Department of Oral and Maxillofacial Pathology and Microbiology, IDST, Modinagar, India
| | | | - Bhagwat Sharma
- Department of Oral and Maxillofacial Pathology and Microbiology, Universal College of Dental Surgery, Nepal
| | - Madhav Nagpal
- Department of Oral Medicine and Radiology, Pacific Dental College, Udaipur, Rajasthan, India
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Beghini M, de Araújo MF, Severino VO, Etchebehere RM, Rocha Rodrigues DB, de Lima Pereira SA. Evaluation of the immunohistochemical expression of Gal-1, Gal-3 and Gal-9 in the colon of chronic chagasic patients. Pathol Res Pract 2017; 213:1207-1214. [PMID: 28554765 DOI: 10.1016/j.prp.2017.04.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 04/13/2017] [Accepted: 04/14/2017] [Indexed: 12/31/2022]
Abstract
OBJECTIVE AND DESIGN The aim of the present study was to evaluate the immunohistochemical expression of Gal-1, Gal-3 and Gal-9 in the colon of chronic chagasic patients compared to biopsied non-chagasic patients. MATERIAL OR SUBJECTS Thirty-two colon fragments were selected from chagasic patients with megacolon (n=25) and nonchagasic patients without megacolon (n=7). METHODS Immunohistochemistry for Gal-1, Gal-3 and Gal-9 was performed using a common light microscope and the results were scored 0-3 according to labeling intensity. Data were analyzed statistically by the chi-square test. RESULTS Higher Gal-1, Gal-3 and Gal-9 expression was observed in the myenteric plexus ganglia of chagasic patients compared to non-chagasic patients, p=0.0487, p=0.0019 and p=0.0325, respectively, whereas no significant differences were observed between groups regarding the expression of Gal-1, Gal-3 and Gal-9 in the muscle layer. CONCLUSION Since Gal-1, Gal-3 and Gal-9 galectin expression was higher in the myenteric plexus ganglia of chagasic patients, we believe that these lectins may be associated with ganglionitis in the chagasic megacolon. However, since the present study was the first to report the participation of Gal-9 in Chagas disease, further investigations are needed to elucidate the role of galectin 9 in this disease.
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Affiliation(s)
- Marcela Beghini
- Human Pathology Division, Federal University of Triangulo Mineiro (UFTM), Uberaba, MG, Brazil
| | | | | | | | - Denise Bertulucci Rocha Rodrigues
- Laboratory of Biopathology and Molecular Biology, University of Uberaba (UNIUBE), Uberaba, MG, Brazil; Cefores, Federal University of Triangulo Mineiro (UFTM), Uberaba, MG, Brazil
| | - Sanívia Aparecida de Lima Pereira
- Laboratory of Biopathology and Molecular Biology, University of Uberaba (UNIUBE), Uberaba, MG, Brazil; Cefores, Federal University of Triangulo Mineiro (UFTM), Uberaba, MG, Brazil.
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Alaeddini M, Abachi H, Abbasi S, Shamshiri AR, Etemad-Moghadam S. Association of Stromal Factors With the Histologic Risk Assessment Model in Oral Squamous Cell Carcinoma. Appl Immunohistochem Mol Morphol 2017; 25:129-133. [DOI: 10.1097/pai.0000000000000269] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Mast Cells: Key Players in the Shadow in Oral Inflammation and in Squamous Cell Carcinoma of the Oral Cavity. BIOMED RESEARCH INTERNATIONAL 2016; 2016:9235080. [PMID: 27847826 PMCID: PMC5101369 DOI: 10.1155/2016/9235080] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 09/27/2016] [Indexed: 01/12/2023]
Abstract
Although mast cells (MCs) have been discovered over 130 years ago, their function was almost exclusively linked to allergic affections. At the time being, it is well known that MCs possess a great variety of roles, in both physiologic and pathologic conditions. In the oral tissues, MCs release different proinflammatory cytokines, tumor necrosis factor alpha (TNF-α), that promote leukocyte infiltration in various inflammatory states of the oral cavity. These cells play a key role in the inflammatory process and, as a consequence, their number changes in different pathologic conditions of the oral cavity, like gingivitis, periodontitis, and so on. MCs also represent a rich source of proteases, especially of mast cell tryptase and chymase, which directly degrade the extracellular matrix through their proteolytic activity and thus indirectly stimulate angiogenesis and facilitate invasion and metastasis. It may be stated that mast cells could have an impact on primary tumor development, progression, and metastases in oral squamous cell carcinoma. By understanding the role of mast cells in the pathogenesis of different inflammatory and tumor diseases of the oral cavity, these cells may become therapeutic targets that could possibly improve the prognosis and survival of these patients.
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Ramsridhar S, Narasimhan M. Immunohistochemical Evaluation of Mast Cells in Leukoplakia and Oral Squamous Cell Carcinoma. J Clin Diagn Res 2016; 10:ZC100-3. [PMID: 27656549 DOI: 10.7860/jcdr/2016/19297.8334] [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: 02/04/2016] [Accepted: 06/23/2016] [Indexed: 02/03/2023]
Abstract
INTRODUCTION More than 90% of oral cancers are squamous cell carcinomas with oral leukoplakia being the most common potentially malignant disorder. Among the cell types in the stroma, mast cells play an important role in tumourigenesis through various mechanisms. AIM The present study was aimed at comparing the mast cell count among normal oral mucosa, leukoplakia and Oral squamous cell carcinoma (OSSC) and to evaluate the possible role of mast cells in carcinogenesis. MATERIALS AND METHODS Mast cell count was assessed immunohistochemically using anti-mast cell tryptase amongst 20 cases of leukoplakia and OSSC each and 10 normal gingival samples. Overall comparison was done using Kruskal Wallis test and intergroup comparison was done using Mann-Whitney U test. RESULTS The results of the present study showed an increase in mast cell count from normal oral mucosa (Mean: 7.73) to leukoplakia (Mean: 15.11) to squamous cell carcinoma (Mean: 22.73). Comparison of mean number of mast cells amongst three groups (p-value: 0.001) and intergroup comparisons showed statistical significance. CONCLUSION Mast cells favour malignant transformation and can be used as indicators of disease progression.
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Affiliation(s)
- Saranya Ramsridhar
- Former Postgraduate, Department of Oral Pathology, Faculty of Dental Sciences, Sri Ramachandra University , Porur, Chennai, India
| | - Malathi Narasimhan
- Professor and Head, Department of Oral Pathology, Faculty of Dental Sciences, Sri Ramachandra University , Porur, Chennai, India
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Muniz JM, Bibiano Borges CR, Beghini M, de Araújo MS, Miranda Alves P, de Lima LMB, Pereira SADL, Nogueira RD, Napimoga MH, Rodrigues V, Rodrigues DBR. Galectin-9 as an important marker in the differential diagnosis between oral squamous cell carcinoma, oral leukoplakia and oral lichen planus. Immunobiology 2015; 220:1006-11. [DOI: 10.1016/j.imbio.2015.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 04/20/2015] [Indexed: 11/29/2022]
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20
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Kathuriya PT, Bartake AR, Palaskar SJ, Narang BR, Patil SS, Pawar RB. Cd34 and Mast Cell Analysis in Normal Oral Mucosa and Different Grades of Oral Squamous Cell Carcinoma: A Comparative Study. J Clin Diagn Res 2015; 9:ZC61-4. [PMID: 26417554 DOI: 10.7860/jcdr/2015/12656.6223] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 06/07/2015] [Indexed: 11/24/2022]
Abstract
BACKGROUND Oral Squamous Cell Carcinoma (OSCC) remains a serious health problem worldwide. Prognosis of OSCC is poor and long term survival rate still remains below 50%. Angiogenesis or neovascularisation plays an important role in tumour progression and metastasis. Mast cells have been implicated in promoting tumour angiogenesis, especially of digestive tract, little is known in OSCC. AIM & OBJECTIVE To study the correlation between blood vessel density (BVD) and mast cell density (MCD) in different grades of OSCC. MATERIALS AND METHODS METHODS Thirty eight paraffin blocks of different grades of OSCC were retrieved from the department and sections were stained with CD34 followed by counterstaining with toluidine blue. The slides were then analysed using Leica Software (Version 4.5). RESULTS Mean BVD and MCD were found to be increased in OSCC as compared to normal mucosa. Increase in BVD with co-current increase in MCD was also observed in different grades of OSCC. CONCLUSION From our study, it was concluded that, mast cells play a major role in promoting tumour angiogenesis. But, as the grade of the tumour increases, other angiogenic factors may play a more significant role than mast cells in tumour progression.
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Affiliation(s)
- Pargatsingh T Kathuriya
- Post Graduate Student, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
| | - Anirudha R Bartake
- Assistant Professor, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
| | - Sangeeta J Palaskar
- Professor and Head, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
| | - Bindiya R Narang
- Assistant Professor, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
| | - Swati S Patil
- Post Graduate Student, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
| | - Rasika B Pawar
- Post Graduate Student, Department of Oral & Maxillofacial Pathology, Sinhgad Dental College & Hospital , Pune, India
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Kamal R, Dahiya P, Goyal N, Kumar M, Sharma N, Saini HR. Mast cells and oral pathologies: A Review. J Nat Sci Biol Med 2015; 6:35-9. [PMID: 25810632 PMCID: PMC4367065 DOI: 10.4103/0976-9668.149075] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Mast cells (MCs) are resident cells of several types of tissues and contain many granules rich in histamine and heparin. They are distributed preferentially about the micro-vascular endothelial cells in the oral mucosa. These cells play a key role in the inflammatory process and thus their number has been found to be altered in various oral pathological conditions such as oral pyogenic granuloma, oral lichen planus, leukoplakia, oral squamous cell carcinoma, periapical cysts etc. The present review article is aimed to describe the alteration in the number of MCs along with their probable roles in these pathological conditions.
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Affiliation(s)
- Reet Kamal
- Department of Oral and Maxillofacial Pathology, Himachal Pradesh Government Dental College, Shimla, India
| | - Parveen Dahiya
- Department of Periodontics and Implantology, Himachal Institute of Dental Sciences, Paonta Sahib, Himachal Pradesh, India
| | - Niti Goyal
- Department of Periodontics and Implantology, Himachal Institute of Dental Sciences, Paonta Sahib, Himachal Pradesh, India
| | - Mukesh Kumar
- Department of Periodontics and Implantology, Himachal Institute of Dental Sciences, Paonta Sahib, Himachal Pradesh, India
| | - Neeta Sharma
- Department of Oral Medicine and Radiology, Himachal Pradesh Government Dental College, Shimla, India
| | - Hans Raj Saini
- Departmrent of Conservative Dentistry and Endodontics, Government Dental College, Rohtak, Haryana, India
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Jaafari-Ashkavandi Z, Khademi B, Akbari S, Malekzadeh M. Serum level of mast cell tryptase in patients with oral squamous cell carcinoma: lack of correlation with clinicopathologic factors. Asian Pac J Cancer Prev 2015; 14:2955-8. [PMID: 23803060 DOI: 10.7314/apjcp.2013.14.5.2955] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Mast cells can influence tumor progression via different pathways and increased mast cell density has been demonstrated in oral squamous cell carcinoma (OSCC). It has been shown that the serum tryptase level is elevated with some malignant tumours and may thus be a useful parameter. However, there are no data available about OSCC. The main aim of this study was the evaluation of mast cell tryptase (MCT) level in OSCC patient serum. MATERIALS AND METHODS In this cross-sectional, analytic study, the circulating levels of MCT were assessed in sera of 55 OSCC patients and 34 healthy individuals with ELISA technique. RESULTS The serum MCT level in OSCC patients was 12-14 ng/ml, which was not significantly higher than the healthy control group. While the serum level of MCT was higher with larger tumours, there was no apparent correlation with clinico-pathological features such as patient age, gender, tumor location, stage, nodal status, distant metastasis, histological grade and smoking. CONCLUSIONS Our findings showed that despite the results obtained from studies of other malignant tumors, serum level of MCT in OSCC patients could not be a credited as a reliable indicator of the presence or progression of tumours.
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Affiliation(s)
- Zohreh Jaafari-Ashkavandi
- Department of Oral and Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
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Ozdemir O. Any defining role of mast cell or mast cell density in oral squamous cell carcinoma? Ann Med Health Sci Res 2014; 4:975-7. [PMID: 25506499 PMCID: PMC4251004 DOI: 10.4103/2141-9248.144931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Affiliation(s)
- O Ozdemir
- Department of Pediatrics, Division of Allergy and Immunology, Research and Training Hospital of Sakarya University, dapazarı, Sakarya, Turkey E-mail:
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Abstract
Background: Apart from the role of mast cells in maintenance of homeostasis and inflammation, their association with tumors has been described recently. In several malignancies, mast cell density has been found to correlate with angiogenesis, increased risk of metastasis and poor prognosis. Aim: The aim of the following study is to compare the number, topography and distribution of mast cells between normal oral mucosa and oral oral squamous cell carcinoma (SCC) and study the significance of mast cells in development of oral SCC. Subjects and Methods: A prospective case-control study including 100 patients was conducted after obtaining informed consent and ethical committee clearance. Forty cases were normal controls and 60 cases had oral SCC. Biopsy was performed and both qualitative and quantitative study of mast cells was done. Statistical analysis was carried out using Statistical Package for Social Sciences (SPSS) 17.0 version (SPSS Inc., Chicago, IL, USA). Results: Buccal/labial mucosa was the most common site of lesion in SCC. Total mast cells count was a higher in SCC when compared with controls, which was a statistically significant (P < 0.001). SCC had significantly (P < 0.001) higher levels of degranulated mast cell. Conclusion: Role of mast cells in tumors may have direct clinical relevance and consequently, important clinical implications. Mast cells serves as a novel therapeutic target for cancer treatment and that inhibiting mast cell function may inhibit tumor growth.
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Affiliation(s)
- Ma Zaidi
- Department of Oral and Maxillofacial Pathology and Microbiology, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand, India
| | - Ak Mallick
- Department of Biochemistry, Rohilkhand Medical College and Hospital, Bareilly, Uttar Pradesh, India
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Jaafari-Ashkavandi Z, Ashraf MJ. Increased mast cell counts in benign and malignant salivary gland tumors. J Dent Res Dent Clin Dent Prospects 2014; 8:15-20. [PMID: 25024834 PMCID: PMC4091694 DOI: 10.5681/joddd.2014.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 12/12/2013] [Indexed: 11/17/2022] Open
Abstract
Background and aims. Mast cells are one of the characteristic factors in angiogenesis, growth, and metastatic spread of tumors. The distribution and significance of mast cells in many tumors have been demonstrated. However, few studies have evaluated mast cell infiltration in salivary gland tumors. In this study, mast cell counts were evaluated in benign and malig-nant salivary gland tumors.
Materials and methods. This descriptive and cross-sectional study assessed 30 cases of pleomorphic adenoma, 13 cases of adenoid cystic carcinoma, 7 cases of mucoepidermoid carcinoma (diagnosed on the basis of 2005 WHO classifica-tion), with adequate stroma in peritumoral and intratumoral areas, and 10 cases of normal salivary glands. The samples were stained with 5% diluted Giemsa solution and the average stained cell counts were calculated in 10 random microscopic fields in peri- and intra-tumoral areas. Data were analyzed by t-test and Mann-Whitney and Krusskal-Wallis tests.
Results. The average mast cell counts increased in the tumors compared to normal salivary glands. There was no signifi-cant difference between benign and malignant tumors and also between different malignant tumors. Infiltration was signifi-cantly denser in peri-tumoral stroma in both tumoral groups (P = 0.001). Minor salivary glands contained significantly more numerous mast cells.
Conclusion. Although mast cell counts increased in benign and malignant salivary gland tumors, there were no signifi-cant differences between the tumoral groups. Further studies are suggested to determine the type of these cells which might be useful in the assessment of biological nature of the tumor and its future treatment modality.
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Affiliation(s)
- Zohreh Jaafari-Ashkavandi
- Associate Professor, Department of Oral and Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad-Javad Ashraf
- Associate Professor, Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Sathyakumar M, Sriram G, Saraswathi T, Sivapathasundharam B. Immunohistochemical evaluation of mast cells and vascular endothelial proliferation in oral precancerous lesion-leukoplakia. J Oral Maxillofac Pathol 2012; 16:343-8. [PMID: 23248463 PMCID: PMC3519206 DOI: 10.4103/0973-029x.102481] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Background: Oral leukoplakia is the best-known precursor lesion. Although a morphologic feature of oral epithelial dysplasia is well described, less is known about the pathobiologic changes within the cells and over the cell surfaces for malignant transformation. Aims: The present study is aimed at comparing and correlating the mast cell density (MCD) and micro vascular density (MVD) in Normal Mucosa (NM) and different grades of dysplasia and to analyze their role in disease progression. Materials and Methods: MCD was assessed using anti mast cell tryptase and MVD was assessed immunohistochemically using anti-Factor VIII related von Willibrand factor. Results: The Results of the present study showed an exponential increase in microvessel density as mast cell density increased. Conclusion: The role of mast cells in angiogenesis as it progresses from normal mucosa to dysplasia is in concordance with the study. The number of mast cells and microvessel can be used as indictors of disease progression.
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Affiliation(s)
- M Sathyakumar
- Department of Oral and Maxillofacial Pathology, SRM, Kattankulathur Dental College, Tamil Nadu, India
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VEGF expression from human dysplastic or malignant oral epithelium may be related to mast cell density and the subsequent angiogenetic phenomena. Int J Oral Maxillofac Surg 2012; 41:1467-73. [DOI: 10.1016/j.ijom.2011.12.038] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2009] [Revised: 10/10/2011] [Accepted: 12/19/2011] [Indexed: 11/19/2022]
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Jahanshahi G, Sabaghian M. Comparative immunohistochemical analysis of angiogenesis and mast cell density in oral normal mucosa and squamous cell carcinoma. Dent Res J (Isfahan) 2012; 9:8-12. [PMID: 22363356 PMCID: PMC3283983 DOI: 10.4103/1735-3327.92920] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background: Squamous cell carcinoma (SCC) is the most common malignancy in oral cavity. Angiogenesis is essential for the development and progression of SCC. Recently, some studies have reported that mast cells may play a role in tumor progression via promoting angiognesis. Since the results of various studies on the role of mast cells in tumor progression is not uniform, the aim of this study was to define the possible role of mast cells in the process of angiogenesis by determining the microvessel density (MVD) and mast cell density (MCD) and the association between them in oral normal mucsoa and oral SCC. Materials and Methods: In this retrospective analytical study, paraffinized specimens from 22 cases of normal mucosa and 20 cases of well-differentiated oral SCC were selected. Microvessels were stained by using immunohistochemical technique with anti-CD34 antibody and mast cells with toluidine blue and then were counted at 400× magnification in hot-spot areas under a light microscope. The results were analyzed by using t- test and Pearson's exams. P values less than 0.05 was considered to be significant. Results: A significant correlation was noted between MVD and MCD in normal oral mucosa (P<0.001), but in spite of a higher density of mast cells and microvessels observed in oral SCC compared to normal mucosa, there was no significant correlation between them (P=0.731). Conclusion: These findings showed that factors other than mast cells may play a role in the upregulation of tumor angiogenesis in oral SCC.
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Affiliation(s)
- Gholamreza Jahanshahi
- Department of Oral and Maxillofacial Pathology and Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
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Parizi ACG, Barbosa RL, Parizi JLS, Nai GA. A comparison between the concentration of mast cells in squamous cell carcinomas of the skin and oral cavity. An Bras Dermatol 2011; 85:811-8. [PMID: 21308304 DOI: 10.1590/s0365-05962010000600006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Accepted: 05/22/2010] [Indexed: 12/17/2022] Open
Abstract
UNLABELLED FUNDAMENTS: The lethality of squamous cell carcinomas (SCC) of the skin is considered low. SCC in the mouth is usually associated with poor prognosis. Current evidence suggests that mast cells in the normal tissue contribute to the tumorigenesis of SCC, probably by promoting angiogenesis. OBJECTIVE The aim of this study was to compare the concentration of mast cells in SCC of the mouth and skin and evaluate whether there is a correlation with the degree of differentiation of these tumors. MATERIAL AND METHODS Thirty cases of SCC of the skin and 34 of the mouth were investigated. Toluidine blue staining was used to identify mast cells in blocks containing the central portion of the neoplasm. RESULTS A concentration of between 0 and 10 mast cells was found in one single case of SCC of the skin and there were no cases of SCC of the mouth with concentrations of mast cells in the tumor >201. In the majority of cases of SCC of the mouth (47%; n=16), mast cell concentration was between 0 and 10, with a concentration >51 mast cells in 80% of cases of SCC of the skin. All the cases of SCC of the mouth with a concentration of mast cells between 100 and 200 and 80% of those with a concentration of 51-99 were located on the lip. The concentration of mast cells was unrelated to the degree of differentiation of the tumor. CONCLUSION The concentration of mast cells is lower in SCC of the mouth except when the tumor is located on the lip. This may reflect a lower need for cell activation in the microenvironment to improve vascularization in oral cancer.
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Lages ELE, Belo AV, Andrade SP, Rocha MÂ, Ferreira de Freitas G, Lamaita RM, Traiman P, Silva-Filho AL. Analysis of systemic inflammatory response in the carcinogenic process of uterine cervical neoplasia. Biomed Pharmacother 2011; 65:496-9. [DOI: 10.1016/j.biopha.2011.06.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Accepted: 06/05/2011] [Indexed: 10/17/2022] Open
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Meuser-Batista M, Corrêa JR, Carvalho VF, de Carvalho Britto CFDP, Moreira ODC, Batista MM, Soares MJ, Filho FAF, E Silva PMR, Lannes-Vieira J, Silva RC, Henriques-Pons A. Mast cell function and death in Trypanosoma cruzi infection. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 179:1894-904. [PMID: 21819958 DOI: 10.1016/j.ajpath.2011.06.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2010] [Revised: 05/25/2011] [Accepted: 06/21/2011] [Indexed: 02/02/2023]
Abstract
Although the roles of mast cells (MCs) are essential in many inflammatory and fibrotic diseases, their role in Trypanosoma cruzi-induced cardiomyopathy is unexplored. In this study, we treated infected CBA mice with cromolyn, an MC stabilizer, and observed much greater parasitemia and interferon-γ levels, higher mortality, myocarditis, and cardiac damage. Although these data show that MCs are important in controlling acute infection, we observed MC apoptosis in the cardiac tissue and peritoneal cavity of untreated mice. In the heart, pericardial mucosal MC die, perhaps because of reduced amounts of local stem cell factor. Using RT-PCR in purified cardiac MCs, we observed that infection induced transcription of P2X(7) receptor and Fas, two molecules reportedly involved in cell death and inflammatory regulation. In gld/gld mice (FasL(-/-)), apoptosis of cardiac, but not peritoneal, MCs was decreased. Conversely, infection of P2X(7)(-/-) mice led to reduced peritoneal, but not cardiac, MC death. These data illustrate the immunomodulatory role played by MCs in T. cruzi infection and the complexity of molecular interactions that control inflammatory pathways in different tissues and compartments.
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Affiliation(s)
- Marcelo Meuser-Batista
- Laboratório de Inovações em Terapias, Ensino, e Bioprodutos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
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Souza Freitas V, de Andrade Santos PP, de Almeida Freitas R, Pereira Pinto L, de Souza LB. Mast cells and matrix metalloproteinase 9 expression in actinic cheilitis and lip squamous cell carcinoma. ACTA ACUST UNITED AC 2011; 112:342-8. [PMID: 21612954 DOI: 10.1016/j.tripleo.2011.02.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Revised: 02/14/2011] [Accepted: 02/15/2011] [Indexed: 01/27/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate mast cell (MC) density and migration and their association with matrix metalloproteinase (MMP) 9 expression in squamous cell carcinoma (SCC) and actinic cheilitis (AC). STUDY DESIGN Tryptase, c-Kit, and MMP-9 expression was evaluated in 20 cases of SCC, 20 cases of AC, and 7 cases of normal lip (control samples) by immunohistochemistry techniques. RESULTS Tryptase(+) and c-Kit(+) MC densities were significantly higher in SCCs than in ACs and control samples (P < .001). However, no significant difference was found when comparing tryptase(+) and c-Kit(+) MC densities between ACs and control samples (P values .185 and .516, respectively). MMP-9 was strongly expressed in SCCs and moderately expressed in ACs and control samples. A highly significant association was found between tryptase(+) MC density and the expression of MMP-9 (P < .001). CONCLUSIONS The increase in MC density associated with the strong expression of MMP-9 may favor SCC progression.
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Affiliation(s)
- Valéria Souza Freitas
- Oral Pathology Graduate Program, Department of Dentistry, Federal University of Rio Grande do Norte, Natal, Brazil
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Abstract
Mast cells (MCs) were first described by Paul Ehrlich 1 in his doctoral thesis. MCs have long been implicated in the pathogenesis of allergic reactions and certain protective responses to parasites. As most tumors contain inflammatory cell infiltrates, which often include plentiful MCs, the question as to the possible contribution of MCs to tumor development has progressively been emerging. In this chapter, the specific involvement of MCs in tumor biology and tumor fate will be considered, with particular emphasis on the capacity of these cells to stimulate tumor growth by promoting angiogenesis and lymphangiogenesis. Data from experimental carcinogenesis and from different tumor settings in human pathology will be summarized. Information to be presented will suggest that MCs may serve as a novel therapeutic target for cancer treatment.
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Souza LR, Fonseca-Silva T, Santos CCO, Oliveira MVM, Corrêa-Oliveira R, Guimarães ALS, De Paula AMB. Association of mast cell, eosinophil leucocyte and microvessel densities in actinic cheilitis and lip squamous cell carcinoma. Histopathology 2010; 57:796-805. [DOI: 10.1111/j.1365-2559.2010.03721.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Bruno KF, Silva JA, Silva TA, Batista AC, Alencar AHG, Estrela C. Characterization of inflammatory cell infiltrate in human dental pulpitis. Int Endod J 2010; 43:1013-21. [PMID: 20726912 DOI: 10.1111/j.1365-2591.2010.01757.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION To evaluate the microscopic characteristics and densities (per mm(2) ) of tryptase(+) mast cells, CD4(+) T helper lymphocytes, CD45RO(+) memory T lymphocytes, foxp3(+) T regulatory lymphocytes, CD20(+) B lymphocytes, CD68(+) macrophages, and CD31(+) blood vessels in human dental pulpitis (n=38) and healthy pulpal tissue (n=6). METHODOLOGY The pulps of 38 human teeth with a clinical diagnosis of irreversible pulpitis were removed by pulpectomy. The pulp tissue was immersed in 10% buffered formalin for evaluation using light microscopy. Tryptase, CD4, CD45RO, foxp3, CD20, CD68, and CD31 expressions were analysed using immunohistochemistry; other microscopic features, such as intensity of inflammatory infiltrate and collagen deposition, were evaluated using haematoxylin and eosin stain. Wilcoxon and Mann-Whitney tests were used for statistical analysis. The significance level was set at α=5%. RESULTS Two microscopic patterns of pulpitis were found: group 1 (G1) (n=15) had an intense inflammatory infiltrate and mild collagen deposition; conversely, group 2 (G2) (n=23) had a scarce inflammatory infiltrate and intense collagen deposition. The numbers of CD68(+) macrophages (P=0.004) and CD20(+) B (P=0.068) lymphocytes and the density of blood vessels (P=0.002) were higher in G1 than in G2. However, a similar number of CD4(+) and CD45RO(+) T lymphocytes was found in both groups (P>0.05). When present, tryptase(+) mast cells were equally distributed in G1 and G2, whereas foxp3(+) T regulatory lymphocytes were detected in 59% and 14% of the samples of G1 and G2. Controls exhibited lower numbers of foxp3, tryptase, CD4, CD45RO, CD68 and CD20 positive cells than G1 and G2. CONCLUSIONS Irreversible pulpitis had distinct microscopic features with important quantitative and qualitative differences in inflammatory cell infiltration.
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Affiliation(s)
- K F Bruno
- Department of Endodontics, Federal University of Goiás, Goiânia, GO, Brazil
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Comparison of mast cells count in oral reactive lesions. Pathol Res Pract 2010; 206:151-5. [DOI: 10.1016/j.prp.2009.10.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2009] [Revised: 10/09/2009] [Accepted: 10/22/2009] [Indexed: 11/22/2022]
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Zancope E, Costa NL, Junqueira-Kipnis AP, Valadares MC, Silva TA, Leles CR, Mendonça EF, Batista AC. Differential infiltration of CD8+and NK cells in lip and oral cavity squamous cell carcinoma. J Oral Pathol Med 2010; 39:162-7. [DOI: 10.1111/j.1600-0714.2009.00792.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Moreira G, Fulgêncio LB, DE Mendonça EF, Leles CR, Batista AC, DA Silva TA. T regulatory cell markers in oral squamous cell carcinoma: Relationship with survival and tumor aggressiveness. Oncol Lett 2010; 1:127-132. [PMID: 22966269 DOI: 10.3892/ol_00000023] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Accepted: 08/04/2009] [Indexed: 11/06/2022] Open
Abstract
Tumor-infiltrating lymphocytes (TILs) are a heterogeneous cell family which plays an important role in tumor-associated immune response. Of these, T regulatory (Treg) cells have also been shown to inhibit anti-tumor response. We aimed to evaluate the expression of T regulatory cell markers (CD4, CD25, CTLA-4 and FoxP3) in samples of oral cavity squamous cell carcinoma (OCSCC) and lip SCC (LSCC) by immunohistochemistry. The relationship of Treg markers with survival data and the proliferative index were also evaluated. We observed similar numbers of CD4-, CD25- and FoxP3(+) cells in OCSCC and LSCC. On the other hand, numbers of CTLA-4(+) cells were significantly lower in OCSCC than in LSCC. OCSCC samples with high numbers of CD4 exhibited a high proliferative index, while samples with high CTLA-4 counts demonstrated a low tumoral proliferative index. A log-rank test showed that patients with OCSCC that presented high counts of CD4 showed a significantly decreased survival compared with patients with low cell counts. In contrast, high CD25(+) cell counts were associated with increased survival. Our results suggest an association of CD4 with poor prognosis, while CD25 expression is related with favorable prognosis. These findings result from the heterogeneity of TIL subsets that display an antagonistic role in tumor immune cell response.
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Affiliation(s)
- Geane Moreira
- Department of Oral Surgery and Pathology, Dental School, Federal University of Minas Gerais, Belo Horizonte
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Michailidou EZ, Markopoulos AK, Antoniades DZ. Mast cells and angiogenesis in oral malignant and premalignant lesions. Open Dent J 2008; 2:126-32. [PMID: 19444318 PMCID: PMC2606660 DOI: 10.2174/1874210600802010126] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2008] [Revised: 08/08/2008] [Accepted: 10/24/2008] [Indexed: 12/17/2022] Open
Abstract
Mast cell contribution to neoangiogenesis during tumorigenesis in oral squamous cell carcinoma is not determined yet. Objectives: To associate numerical mast cell density (MCD) to numerical microvessel density (MVD) during the progression of oral leukoplakia without dysplasia and leukoplakia with dysplasia to squamous cell carcinoma (OSCC). Materials and methods: MVD was analysed immunohistochemically (mouse monoclonal anti-human CD34) in 49 paraffin-embedded specimens, 35 OSCCs, 9 leukoplakias and 5 normal oral tissues. Toluidine blue counterstaining revealed mast cells. MCD and MVD were assessed at the same optical field. Results: MVD increased between: normal oral mucosa, dysplasia (p=0.004), OSCC (p=0.001), leukoplakia and OSCC (p=0.041). MCD increased between: normal oral mucosa, dysplasia (p=0.003), OSCC (p=0.000), leukoplakia and OSCC (p=0.007). MVD was found to depend on MCD (p=0.000) in a percent 28.3% (power curve fit model). Conclusions: Mast cells are attracted at the lesion site and may turn on an angiogenic switch during tumorigenesis in OSCC.
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Affiliation(s)
- E Z Michailidou
- Department of Oral Medicine and Maxillofacial Pathology, Aristotle University, Thessaloniki, Greece
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