Piwil-2 represents a poor prognosticator in Merkel cell carcinomas that regulates oncoproteins, cell cycle arrest and SOX-2 expression. - Janik, Stefan; Pammer, Johannes; Simader, Elisabeth; Kotowski, Ulana; Grasl, Stefan; Houben, Roland; Copic, Dragan; Mildner, Michael; Mitulovic, Goran; Bilban, Martin; Derdak, Sophia; Unterwurzacher, Markus; et al. (Scientific Reports, 2025)