Expression Profile of Stemness Markers CD138, Nestin and Alpha-SMA in Ameloblastic Tumours
AuthorYiannis, C; Mascolo, M; Mignogna, MD; Varricchio, S; Natella, V; De Rosa, G; Lo Giudice, R; Galletti, C; Paolini, R; Celentano, A
Source TitleInternational Journal of Environmental Research and Public Health
University of Melbourne Author/sCelentano, Antonio
AffiliationMelbourne Dental School
Document TypeJournal Article
CitationsYiannis, C., Mascolo, M., Mignogna, M. D., Varricchio, S., Natella, V., De Rosa, G., Lo Giudice, R., Galletti, C., Paolini, R. & Celentano, A. (2021). Expression Profile of Stemness Markers CD138, Nestin and Alpha-SMA in Ameloblastic Tumours. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, 18 (8), https://doi.org/10.3390/ijerph18083899.
Access StatusOpen Access
Ameloblastic carcinoma is a rare malignant odontogenic neoplasm with a poor prognosis. It can arise de novo or from a pre-existing ameloblastoma. Research into stemness marker expression in ameloblastic tumours is lacking. This study aimed to explore the immunohistochemical expression of stemness markers nestin, CD138, and alpha-smooth muscle actin (alpha-SMA) for the characterisation of ameloblastic tumours. Six cases of ameloblastoma and four cases of ameloblastic carcinoma were assessed, including one case of ameloblastic carcinoma arising from desmoplastic ameloblastoma. In all tumour samples, CD138 was positive, whilst alpha-SMA was negative. Nestin was negative in all but one tumour sample. Conversely, the presence or absence of these markers varied in stroma samples. Nestin was observed in one ameloblastic carcinoma stroma sample, whilst CD138 was positive in one ameloblastoma case, one desmoplastic ameloblastoma case, and in two ameloblastic carcinoma stroma samples. Finally, alpha-SMA was found positive only in the desmoplastic ameloblastoma stroma sample. Our results suggest nestin expression to be an indicator for ameloblastic carcinoma, and CD138 and alpha-SMA to be promising biomarkers for the malignant transformation of ameloblastoma. Our data showed that nestin, CD138, and alpha-SMA are novel biomarkers for a better understanding of the origins and behaviour of ameloblastic tumours.
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