International Journal of Molecular and Cellular Medicine (IJMCM)
Cellular and Molecular Biology Research Center, Babol University of Medical Sciences
Fri, May 9, 2025
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Volume 2, Issue 4 (Int J Mol Cell Med 2013)
Int J Mol Cell Med 2013, 2(4): 185-193 |
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Seyedmajidi M, Nafarzadeh S, Siadati S, Shafaee S, Bijani A, Keshmiri N. p53 and PCNA Expression in Keratocystic Odontogenic Tumors Compared with Selected Odontogenic Cysts. Int J Mol Cell Med 2013; 2 (4) :185-193
URL: http://ijmcmed.org/article-1-105-en.html
URL: http://ijmcmed.org/article-1-105-en.html
Maryam Seyedmajidi1 
, Shima Nafarzadeh2 , Sepideh Siadati3 , Shahryar Shafaee4 , Ali Bijani5 , Nazanin Keshmiri6
, Shima Nafarzadeh2 , Sepideh Siadati3 , Shahryar Shafaee4 , Ali Bijani5 , Nazanin Keshmiri6
1- Dental Materials Research Center, Dental Faculty, Babol University of Medical Sciences, Babol, Iran. , ms_majidi79@yahoo.com
2- Oral and Maxillofacial Pathology Department, Dental Faculty, Babol University of Medical Sciences, Babol, Iran.
3- Pathology Department, Medical Faculty, Babol University of Medical Sciences, Babol, Iran.
4- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol, Iran.
5- Non - communicable Pediatrics Diseases Research Center, Babol University of Medical Sciences, Babol, Iran.
6- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
2- Oral and Maxillofacial Pathology Department, Dental Faculty, Babol University of Medical Sciences, Babol, Iran.
3- Pathology Department, Medical Faculty, Babol University of Medical Sciences, Babol, Iran.
4- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol, Iran.
5- Non - communicable Pediatrics Diseases Research Center, Babol University of Medical Sciences, Babol, Iran.
6- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
Abstract: (14526 Views)
p53 and PCNA expression in keratocystic odontogenic tumors compared with selected odontogenic cysts Summary: The aim of this study was to evaluate p53 and PCNA expression in different odontogenic lesions regarding their different clinical behaviors. Slices prepared from 94 paraffin-embedded tissue blocks (25 radicular cysts (RC), 23 dentigerous cysts (DC), 23 keratocystic odontogenic tumors (KCOT) and 23 calcifying cystic odontogenic tumors (CCOT)) were stained with p53 and PCNA antibodies using immunohistochemistry procedure. The highest level of p53 expression was in the basal layer of RC, and the highest level of PCNA expression was in the suprabasal layer of KCOT. The differences of p53 expression in basal and suprabasal layers as well as PCNA expression in the suprabasal layer were significant but there was no significant difference in PCNA expression in the basal layer of these lesions. The expression of p53 in the basal layer of RC was higher than in other cysts. This may be due to intensive inflammatory infiltration. Also, the high level of PCNA expression in the suprabasal layer of KCOT may justify its neoplastic nature and tendency to recurrence. KCOT and calcifying cystic odontogenic tumors did not show similar expression of studied biomarkers.
Keywords: p53, PCNA, radicular cyst, dentigerous cyst, keratocystic odontogenic tumor, calcifying cystic odontogenic tumor
Type of Study: Original Article |
Subject:
Biomarkers (diagnosis & treatment)
Received: 2013/09/8 | Accepted: 2013/11/24 | Published: 2013/11/24
Received: 2013/09/8 | Accepted: 2013/11/24 | Published: 2013/11/24
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