Abstract
This study aims to establish an association of the expression of specific biomarkers in oral lichen planus to understand its biological behavior. Materials and methods: An immunohistochemistry study was conducted in 40 cases of oral lichen planus against BAX, BCL-2, CD138, Histone 3, Ki-67, MCM3 and p53 at the Molecular Pathology Area of the School of Dentistry, UDELAR, Uruguay. Results: A greater expression of BAX was detected compared to BCL-2, suggesting a pro-apoptotic behavior, supported by the absence of p53 expression. MCM3 expression was more sensitive than Ki-67, considering proliferation alterations. CD-138 had a more intense and uniform expression, determining fewer intercellular adhesion alterations. Conclusions: The expression of the proteins studied suggests an alteration in proliferative and apoptotic mechanisms, associated with a pathological behavior of the oral mucosa.
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