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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۱۹، شماره ۲، صفحات ۱۱۸-۰
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عنوان انگلیسی Immunohistochemical Study of p53 Expression in Patients with Erosive and Non-Erosive Oral Lichen Planus
چکیده انگلیسی مقاله Statement of the Problem: Oral lichen planus is a common mucocutaneous lesion with a chronic inflammatory process mediated by immune factors while a few cases of the disease become malignant. Purpose: This study aimed to determine the frequency of p53 marker as a tumor suppressor in patients with erosive and non-erosive oral lichen planus (OLP) by using immunohistochemical methods. Materials and Method: This descriptive cross-sectional study investigated the p53 expression in 16 erosive OLP, 16 non-erosive OLP samples, and 8 samples of normal oral mucosa through immunohistochemistry. The percentage of stained cells in basal and suprabasal layers, and inflammatory infiltrate were graded according to the degree of staining; if 0%, < 10%, 10-25%, and >50% of the cells were stained, they were considered as (-), (+), (++), (+++) and (++++), respectively. The obtained data was statistically analyzed and compared by using Chi square and Fisher’s exact test. Results : The mean percentage of p53 positive cells in erosive OLP (34.5±14.2) was considerably higher than that in non-erosive OLP (23.8±10.4) and normal mucosa (17.5±17). There was a significant difference among the three groups of erosive, non-erosive and control in terms of staining intensity. No significant difference existed between the patients’ age and sex in the two OLP groups. Conclusion : The increased incidence of p53 from normal mucosa to erosive OLP indicated the difference between biological behavior of erosive and non-erosive OLP. It can be claimed that the erosive OLP has great premalignant potential compared with the non-erosive one.
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نویسندگان مقاله | Atena Shiva
Dept. of Restorative Dentistry, School of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran.


| Ali Zamanian
Dept. of Clinical Biochemistry, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.


| Shahin Arab
Dentist, School of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran.


| Mahsa Boloki


نشانی اینترنتی http://dentjods.sums.ac.ir/index.php/JDSUMS/article/view/1791
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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