ArticleDiagnostics (Basel, Switzerland)2026
Frequency of TERT Promoter Mutations in Ameloblastoma: A Retrospective Study.
Article in Diagnostics (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Telomerase reverse transcriptase (TERT) plays a key role in tumorigenesis by maintaining telomere length, promoting chromosomal stability, and enabling cells to evade replicative senescence. TERT promoter mutations have been detected in various types of tumor; however, their prevalence in ameloblastoma has not been verified. This study aimed to determine the frequency of TERT promoter mutations in ameloblastoma. This retrospective study included formalin-fixed, paraffin-embedded (FFPE) tissue specimens and corresponding medical records from patients who underwent surgical treatment for jaw ameloblastoma at the Department of Oral and Maxillofacial Surgery, Kyungpook National University (Daegu, Republic of Korea) between January 2011 and December 2024. Clinical data were reviewed through January 2026. Of the 49 patients included, genomic DNA was extracted from two 5 μm thick FFPE tissue sections using the PANAMAX™ FFPE Plus DNA Extraction Kit (HLB PANAGENE, Daejeon, Republic of Korea), according to the manufacturer's instructions. Hotspot TERT promoter mutations (C228T and C250T) were analyzed using the PNAClamp™ TERT Mutation Detection Kit (HLB PANAGENE, Daejeon, Republic of Korea). From a total of 73 TERT promoter mutation analyses performed in 49 patients, one of the recurrent cases harbored both C228T and C250T hotspot mutations. In the non-recurrent group, one case exhibited a C250T mutation. These findings indicate that TERT promoter mutations are rare in ameloblastoma.
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