Induction of Invertase Activity by Hydrocortisone in Chick Embryo Duodenum Cultures.

Abstract

Summary Embryonic duodenal tissue cultures respond to hydrocortisone with an increase in the specific activity of invertase. This response is dependent on: 1) the age of the initial tissue explant; 2) the duration of exposure to hormone; and 3) the pretreatment of the tissue before hormone application. These experiments suggest the presence of an inhibitor for the induction of invertase activity.