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Cited by 393

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GLOMERULAR PERMEABILITY

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Graham, Richard C., Karnovsky, Morris J.·1966·The Journal of Experimental Medicine

Abstract

1. Glomerular permeability was studied by ultrastructural cytochemistry, using as protein tracers two intravenously injected peroxidases of differing molecular weight. 2. Horseradish peroxidase (molecular weight 40,000) passed rapidly through the endothelial fenestrae, across the basement membrane, and through the epithelial slits into the urinary space. Human myeloperoxidase (molecular weight 160,000 to 180,000) also passed rapidly through the endothelial fenestrae and across the basement membrane, but was impeded at the level of the epithelial slits. Both proteins were taken up in large amounts by the mesangial cells. 3. The present findings indicate that the epithelial slits are the primary filtration barrier responsible for the differential permeability to proteins of varying molecular size. 4. The observations also support the concept that an important function of the mesangial cells is the incorporation and disposal of glomerular filtration residues.

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Metadata

Authors
Graham, R. C., & Karnovsky, M. J.
Venue
The Journal of Experimental Medicine
Published
1966-12-01
Volume
124
Issue
6
Pages
1123-1134
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2109656846
Cited by
393
References
0
FWCI
12.27
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: GLOMERULAR PERMEABILITY. https://app.cochat.ai/papers/10.1084/jem.124.6.1123
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Graham, R. C., & Karnovsky, M. J. (1966). GLOMERULAR PERMEABILITY. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.124.6.1123

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.