Summary
Beside the known acid phosphatase and nonspecific esterase activity two other lysosomal enzymes (beta glucuronidase and arylsulfatase) were found in the renal medullary interstitial cells of the rat. The enzyme containing granules — localized almost exclusively in the outer strip of the inner medulla—do not seem to be identical with the cytoplasmic lipid droplets of these cells.
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Szokol, M., Soltész, M.B. Lysosomal enzymes in the interstitial cells of the rat renal papilla. Histochemie 35, 93–95 (1973). https://doi.org/10.1007/BF00303669
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DOI: https://doi.org/10.1007/BF00303669