ArticleHistochemistry1988
The heterogeneity of rat kidney lysosomes revealed by immunoelectron microscopic staining for cathepsins B and H.
Article in Histochemistry, 1988. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 14 citations in OpenAlex.
- Immunocytochemical localization of cathepsins B, H, and L in the rat gastro-duodenal mucosa.Histochemistry · 1991Article
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2 authors at 1 institution in 1 country.
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Abstract
The heterogeneity of lysosomes was studied by analyzing the immunostaining behavior of cathepsins B and H in rat kidney proximal tubule cells. Rat kidneys were fixed by perfusion and embedded in Lowicryl K4M. A protein A-gold technique was applied to serial sections and a double labeling technique to conventional sections. By analyzing the immunostaining behavior of cathepsins B and H in the same lysosomes which were cut into separate sections, four types of lysosomes were found: Type 1 positive for both proteinases; type 2 strongly positive for cathepsin B, but weakly or negative for cathepsin H; type 3 strongly positive for cathepsin H, but weakly or negative for cathepsin B; and type 4 negative for both proteinases. The double labeling by two different sizes of the protein A-gold probes showed these four types of lysosomes. The results indicate that there exists the lysosomal heterogeneity of the proteinase content in the kidney proximal tubule cells.
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