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4.
Br J Exp Pathol ; 56(1): 62-71, 1975 Feb.
Article in English | MEDLINE | ID: mdl-173380

ABSTRACT

In order to define the subcellular localization and characters of substances in the rat kidney which increase vascular permeability and produce angionecrosis, the following investigations have been undertaken: (1) subcellular fractionation by use of differential centrifugation and osmotic shock treatment with enzyme profile determination; (2) chromatographic separation of lysosomal contents with concanavalin A affinity column. Lysomal contents contained substances that induced an increase of vascular permeability of the rabbit skin and angionecrosis in the pancreas of the bilaterally nephrectomized rats and the spontaneously hypertensive rats. Lysosomal contents treated at 60 degrees for 30 min showed no renin activity and yet produced angionecrosis. Non-affinity fraction from concanavalin A column chromatography showed no renin activity but produced angionecrosis and an increase of vascular permeability of rabbit skin.


Subject(s)
Capillary Permeability/drug effects , Kidney , Subcellular Fractions , Acid Phosphatase/metabolism , Animals , Ascitic Fluid/drug effects , Chlorpheniramine/pharmacology , Glucose-6-Phosphatase/metabolism , Glucuronidase/metabolism , Kidney/enzymology , Liver/enzymology , Lysosomes , Microsomes , Mitochondria , Necrosis/pathology , Pancreas/pathology , Pleural Effusion/drug effects , Rats , Renin/metabolism , Skin/blood supply , Succinate Cytochrome c Oxidoreductase/metabolism
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