Abstract
Objective: To evaluate DNA base excision repair (BER) in APE-1 and XRCC1; and nucleotide excision repair (NER) in XPF proteins in benign epithelial odontogenic lesions with different biological behaviors. Study design: Thirty solid ameloblastomas (AMEs), 30 isolated odontogenic keratocysts (NSOKCs), 29 syndromic odontogenic keratocysts (SKOCs), 30 dentigerous cysts (DCs; n = 30), and 20 dental follicles (DFs) were evaluated quantitatively for APE-1, XRCC1 and XPF through immunohistochemistry. Results: All the odontogenic lesions studied revealed a statistically significant expression of APE-1 (nuclear), XRCC1 (nuclear), and XPF (nuclear and cytoplasmic) compared with DFs (P
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