Aphidicolin induces myogenic differentiation in the human rhabdomyosarcoma cell line KFR

Autor: Bernhard Kornhuber, Milos Novak, Jindrich Cinatl, Jaroslav Cinatl, Holger F. Rabenau, Pablo Hernáiz Driever, Milan Stefanik, Hans-Wilhelm Doerr
Rok vydání: 1994
Předmět:
Zdroj: Cell biology international. 18(4)
ISSN: 1065-6995
Popis: The effects of aphidicolin, a specific inhibitor of DNA polymerase alpha, on cell growth, DNA synthesis and myogenic differentiation in the human alveolar rhabdomyosarcoma cell line KFR were studied. The treatment with aphidicolin at 5 x 10(-6) M concentration, which completely inhibited DNA synthesis and cell growth, induced morphological differentiation of small mononuclear cells to elongated, multinucleated (myotube-like) structures. The morphological differentiation was accompanied by the expression of skeletal muscle myosin; about 30% myosin-positive cells were observed after 14 days of treatment, compared to 2.3% in untreated cultures. The results showed that aphidicolin induces differentiation of human rhabdomyosarcoma cells and that multinucleated myotube-like elements may develop simply by cell fusion without cell division and DNA synthesis.
Databáze: OpenAIRE