Hans Ussing, experiments and models.
The article describes work and impact of Hans H. Ussing, a founder of epithelial physiology. Emphasis is on Ussing's model of epithelial transport, which showed early how a complex function can arise from a few basic principles. The KJU-model was developed 1958 for the amphibian epidermis and later applied and adapted to many epithelia, but especially to those that express amiloride-sensitive sodium channels in their apical membrane. Some of the subsequent research dealing with such channels and their cellular environment is briefly reviewed. The ideas of Hans Ussing were and are an inspiration to many of us, who continue to work in the way Ussing has taught us.
Lindemann
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Department of Physiology, Universität des Saarlandes, D-66421 Homburg, Germany.
D001692:Biological Transport / Q000502:physiology; D002462:Cell Membrane / Q000502:physiology*; D003718:Denmark; D049673:History, 20th Century; D008954:Models, Biological; D010827:Physiology / Q000266:history*