treatment of choriocarcinoma cells ( jar line ) for 24 hr with methotrexate , fluorodeoxyuridine , 1-beta-d-arabinofuranosylcytosine , or hydroxyurea , in doses that inhibit dna synthesis , results in a 2.5- to 12-fold increase in human chorionic gonadotropin ( hcg ) synthesis .
C0008497
choriocarcinoma
C0025677
methotrexate