Submitted: 05 Nov 2018
Accepted: 15 Mar 2019
First published online: 06 Apr 2019
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Immunopathol Persa. 2019;5(1):e12-e12.
doi: 10.15171/ipp.2019.12
  Abstract View: 39
  PDF Download: 70

Original

Evaluation of myofibroblasts in superficial and deep layers of oral squamous cell carcinoma; an immunohistochemical study

Seyed Hosein Tabatabaei 1 ORCiD, Laleh Maleki 2 * ORCiD, Arezoo Amirkafi 3 ORCiD

1 Department of Oral and Maxillofacial Pathology, Social Determinants of Oral Health Research Center, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2 Dental Research Center, Department of Oral and Maxillofacial Pathology, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
3 Shahid Sadoughi University of Medical Sciences, Yazd, Iran
*Correspondence to Laleh Maleki, Email: l.maleki@dnt.mui.ac.ir, Email: malekilaleh@yahoo.com

Abstract

Introduction: Oral squamous cell carcinoma (OSCC) is the most common malignancy of oral cavity with a high mortality rate. Myofibroblast in the stroma of malignant tumor is one of the main factors that accelerates and modulates tumor progression and invasiveness.

Objectives: The current study aimed to investigate the presence of myofibroblasts in reactive oral lesion and OSCC and to compare its staining in superficial and deep layers in different histological grades.

Patients and Methods: The study included the archival tissues of 30 OSCCs and 30 oral reactive lesions. The myofibroblast was assessed in superficial and deep layers by immunohistochemical study of alpha smooth muscle actin (α-SMA). Data were analyzed by SPSS software using chi-square, Kruskal-Wallis, and MannWhitney U tests. P<0.017 was considered to be statistically significant.

Results: The results revealed that presence of myofibroblasts was significantly higher in OSCCs compared to oral reactive lesions (P=0.0001). The results also showed that myofibroblasts presented more in the deep layers than in the superficial layers of OSCC (P=0.0001). A statistically significant difference was observed in myofibroblasts among different histological grades of oral squamous cell carcinoma (P=0.0001).

Conclusion: The findings highlight that the presence of myofibroblast in the stroma, assessed by α-SMA, indicates tumor progression and invasiveness in the patients with OSCC.

 Citation: Tabatabaei SH, Maleki L, Amirkafi A. Evaluation of myofibroblasts in superficial and deep layers of oral squamous cell carcinoma; an immunohistochemical study. Immunopathol Persa. 2019;5(1):e12. DOI:10.15171/ ipp.2019.12.
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