Hormonal regulation of rapidly labeled ribonucleic acid in mammary cells in vitro.

Animals Centrifugation, Density Gradient Cytoplasm DNA Drug Synergism Female Hydrocortisone/pharmacology Insulin/pharmacology Mammary Glands, Animal/drug effects,metabolism Mice Nucleotides/analysis Organ Culture Techniques Phosphorus Isotopes Pregnancy Prolactin/pharmacology RNA/biosynthesis Ribosomes Stimulation, Chemical Time Factors Tritium Ultracentrifugation Uracil Nucleotides/metabolism Uridine/metabolism

Insulin Nucleotides Phosphorus Isotopes Uracil Nucleotides Tritium RNA Prolactin DNA Uridine Hydrocortisone