Binding of peanut lectin to specific epithelial cell types in kidney

M LeHir, B Kaissling, BM Koeppen… - American Journal of …, 1982 - journals.physiology.org
M LeHir, B Kaissling, BM Koeppen, JB Wade
American Journal of Physiology-Cell Physiology, 1982journals.physiology.org
The binding of peanut agglutinin (PNA) to epithelial membranes of the rabbit kidney was
evaluated at the light-and electron-microscope level using PNA conjugated to horseradish
peroxidase. In the renal cortex and outer stripe of the medulla PNA appears to bind
exclusively to the luminal membrane of intercalated cells in connecting tubules and
collecting ducts. PNA also binds to the thin descending limb of the loop of Henle in the inner
stripe and inner zone of the medulla. This very specific affinity of PNA should be useful in the …
The binding of peanut agglutinin (PNA) to epithelial membranes of the rabbit kidney was evaluated at the light- and electron-microscope level using PNA conjugated to horseradish peroxidase. In the renal cortex and outer stripe of the medulla PNA appears to bind exclusively to the luminal membrane of intercalated cells in connecting tubules and collecting ducts. PNA also binds to the thin descending limb of the loop of Henle in the inner stripe and inner zone of the medulla. This very specific affinity of PNA should be useful in the isolation and characterization of specific cell types in cytologically heterogeneous epithelia.
American Physiological Society