THF EARLY STAGES OF ABSORPTION OF INJECTED HORSERADISH PEROXIDASE IN THE PROXIMAL TUBULES OF MOUSE KIDNEY: ULTRASTRUCTURAL CYTOCHEMISTRY BY A NEW TECHNIQUE

DOI Web Site 被引用文献39件

書誌事項

公開日
1966-04
権利情報
  • https://journals.sagepub.com/page/policies/text-and-data-mining-license
DOI
  • 10.1177/14.4.291
公開者
SAGE Publications

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説明

<jats:p> The early stages of absorption of intravenously injected horseradish peroxidase in proximal tubules of mouse kidney were studied with a new ultrastructural cytochemical technique. In animals killed as early as 90 sec after injection, reaction product was found on the brushborder membranes and in the apical tubular invaginations. From the latter structures it was transported to the apical vacuoles, in which it was progressively concentrated to form protein absorption droplets. The method, which employs 3,3'-diaminobenzidine as oxidizable substrate, gives sharp localization and is sensitive. This system is advantageous in studying the early stages of renal tubular protein absorption, since small amounts of protein on membranes and in tubules and vesicles can be detected easily. The method also appears promising for studying protein transport in a variety of other cells and tissues. </jats:p>

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