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Survivin, cyclin D1, and p21hras in keratocystic odontogenic tumors before and after decompression
Author(s) -
Brajić I,
Škodrić S,
Milenković S,
Tepavčević Z,
Soldatović I,
Čolić S,
Milašin J,
Andrić M
Publication year - 2016
Publication title -
oral diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.953
H-Index - 87
eISSN - 1601-0825
pISSN - 1354-523X
DOI - 10.1111/odi.12414
Subject(s) - immunohistochemistry , survivin , keratocystic odontogenic tumor , decompression , cyclin d1 , enucleation , pathology , medicine , cancer research , cell cycle , odontogenic , surgery , cancer
Objectives The aim of this study was to investigate survivin, cyclin D1, and p21hras expression in keratocystic odontogenic tumors before and after decompression, as well as in pericoronal follicles. A potential correlation between the expression levels of these proteins was also investigated. Materials and methods We analyzed eighteen keratocystic tumors treated by decompression and subsequent enucleation along with seven pericoronal follicles using immunohistochemistry. Results Keratocystic tumor samples, both before and after decompression, were positive for each of the investigated proteins. In pericoronal follicles, survivin exhibited cytoplasmic staining in contrast to nuclear staining in keratocystic tumors. Cyclin D1 expression was negative in pericoronal follicles, and p21hras expression was similar in both groups. Survivin showed significantly higher expression after decompression, while cyclin D1 and p21hras remained unchanged ( P  = 0.039, P  = 0.255, P  = 0.913, respectively). There was no correlation between these proteins neither before nor after decompression. Conclusions Within the limits of the study, we can conclude that following decompression, keratocystic odontogenic tumors preserve distinct immunohistochemical profiles of cyclin D1 and p21hras expression, despite substantial reduction in size of the lesions. Significant increase of survivin expression after decompression might be attributed to higher level of epithelial proliferation caused by this procedure.

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