In-vivo endocytosis by bristle-coated pits and intracellular transport of endogenous albumin in the endothelium of the sinuses of liver and bone marrow

Peter P H De Bruyn, Sonia Michelson, Patrick Bankston

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The localization of endogenous albumin in the endothelia of the sinuses of bone marrow and liver of rats was studied by means of rabbit antirat albumin Fab fragment conjugated with horseradish peroxidase (HRP) visualized by 3,3′ diaminobenzidine tetrachloride (DAB)-osmic acid. Albumin reaction product was present in the bristlecoated pits, bristlecoated vesicles, transfer tubules, and in larger vesicles of the endosomelysosome system. The presence of endogenous albumin in the components of the vacuolar apparatus suggests that these endothelia may be active in the catabolism of endogenous albumin. Because of the ability of albumin to bind to a large variety of chemically different substances, the possible role of endogenous albumin in the internalization of certain substances by the bristle coated pits and bristle coated vesicles of these sinus endothelia needs to be considered.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalCell and Tissue Research
Volume240
Issue number1
DOIs
StatePublished - Apr 1985

Fingerprint

Cell-Membrane Coated Pits
Endocytosis
Liver
Endothelium
Albumins
Bone
Bone Marrow
Coated Vesicles
Osmium Tetroxide
Immunoglobulin Fab Fragments
Horseradish Peroxidase
Reaction products
Rats

Keywords

  • Albumin
  • Bone marrow
  • Endocytosis
  • Endothelium
  • Liver
  • Rat

ASJC Scopus subject areas

  • Anatomy
  • Clinical Biochemistry
  • Cell Biology

Cite this

In-vivo endocytosis by bristle-coated pits and intracellular transport of endogenous albumin in the endothelium of the sinuses of liver and bone marrow. / De Bruyn, Peter P H; Michelson, Sonia; Bankston, Patrick.

In: Cell and Tissue Research, Vol. 240, No. 1, 04.1985, p. 1-7.

Research output: Contribution to journalArticle

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