CONTENTS 



Specificity of amino acid transport 54 



Specificity of sugar transport 65 



5 Site isolation? Membrane separation 71 



6 Clues from associated events 76 



Persisting evidence of transient binding 16 



Associated physical fluxes 78 



Associated chemical fluxes 80 



7 Nutritional and genetic approaches 90 



Nutritional approaches 90 



Genetic approaches 91 



8 Endocrinology of transport 94 



General 94 



Aldosterone 95 



Estrogens 95 



Glucocorticoids on hepatic amino acid uptake 96 



Vasopressin 97 



Insulin 99 



Thyroxine 103 



Parathyroid hormone 103 



Pituitary groivth hormone 103 



Adrenocorticotropic hormone 104 



General considerations 104 



Pharmacology of tra?isport 104 



9 General summary 105 



Speculation on the future course of transport research 106 



Appendix 1: Terminological considerations 109 



Appendix 2: Reprint: The Distribution of Amino Acids 

 between Cellular and Extracellular Fluids, by 

 H. N. Christensen; Bulletin of the New Eng- 

 land Medical Center, X, 108 (1948) 113 



References 119 



Index 129 



vin 



