Synthesis of the glomerular basement membrane in the rat kidney |
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Authors: | W Romen B Schultze K Hempel |
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Institution: | 1. Pathologisches Institut der Universit?t, Luitpoldkrankenhaus, D-8700, Würzburg, Federal Republic of Germany 2. Institut für Medizinische Strahlenkunde der Universit?t, Luitpoldkrankenhaus, D-8700, Würzburg, Federal Republic of Germany
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Abstract: | To study the origin and the formation of the glomerular basement membrane, autoradiographic investigations with3H-proline and3H-leucine have been performed in ultrathin and semithin sections of the glomeruli of 42 male rats. The results of this study
indicate that, of the three cell types of the glomerulus, the epithelial cells (=podocytes) synthesize the proline-rich scleroproteins
of the glomerular basement membrane. Our autoradiographic studies have yielded no evidence for participation of the endothelial
or mesangial cells in the formation of the basement membrane. The mesangial cells appear to be responsible for the synthesis
of the mesangial matrix only. |
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Keywords: | |
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