Detection of wildtype Merkel cell polyomavirus genomic sequence and VP1 transcription in a subset of Merkel cell carcinoma.
Fiche publication
Date publication
octobre 2023
Journal
Histopathology
Auteurs
Membres identifiés du Cancéropôle Est :
Pr AUBIN François, Dr NARDIN Charlée
Tous les auteurs :
Kervarrec T, Appenzeller S, Tallet A, Jullie ML, Sohier P, Guillonneau F, Rütten A, Berthon P, Le Corre Y, Hainaut-Wierzbicka E, Blom A, Beneton N, Bens G, Nardin C, Aubin F, Dinulescu M, Visée S, Herfs M, Touzé A, Guyétant S, Samimi M, Houben R, Schrama D
Lien Pubmed
Résumé
Merkel cell carcinoma (MCC) is frequently caused by the Merkel cell polyomavirus (MCPyV). Characteristic for these virus-positive (VP) MCC is MCPyV integration into the host genome and truncation of the viral oncogene Large T antigen (LT), with full-length LT expression considered as incompatible with MCC growth. Genetic analysis of a VP-MCC/trichoblastoma combined tumour demonstrated that virus-driven MCC can arise from an epithelial cell. Here we describe two further cases of VP-MCC combined with an adnexal tumour, i.e. one trichoblastoma and one poroma.
Mots clés
Merkel cell carcinoma, VP1, polyomavirus, replication, trichoblastoma
Référence
Histopathology. 2023 10 13;: