“ Abstract Chlorpromazine ( CPZ) 1· × … alanine (25 and 3 per cent of controls respectively), the uptake of α-aminoisobutyric acid (AIB, 39 per cent of controls) and the … per cent of controls) into acid-soluble and insoluble fractions of human skin epithelial cells (HE cells, NCTC 2544) grown in culture.”