Study Visits cronadyn vs priligy The estrogen triggered Ca2 i surge was also not affected by pretreating the cells with the conventional estrogen receptor antagonist tamoxifen 10 5 M, or the RNA and protein synthesis inhibitors actinomycin D 1 microgram ml and cycloheximide 1 microgram ml, but was abolished by pretreating the cells with inhibitors of inositol phospholipid hydrolysis, neomycin 1