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J Cell Mol Med. 2008 Aug;12(4):1416-9. doi: 10.1111/j.1582-4934.2008.00346.x. Epub 2008 Apr 9.

Electron tomography and immunonanogold electron microscopy for investigating intracellular trafficking and secretion in human eosinophils.

Author information

1
Laboratory of Cellular Biology, Department of Biology Federal University of Juiz de Fora, UFJF, Juiz de Fora, Minas Gerais, Brazil. rossana.melo@ufjf.edu.br

Abstract

Electron tomography (ET) has increasingly been used to understand the complexity of membrane systems and protein-trafficking events. By ET and immunonanogold electron microscopy, we recently defined a route for vesicular transport and release of granule-stored products from within activated human eosinophils, cells specialized in the secretion of numerous cytokines and other proteins during inflammatory responses. Here, we highlight these techniques as important tools to unveil a distinct eosinophil vesicular system and secretory pathway.

PMID:
18410520
PMCID:
PMC2562554
DOI:
10.1111/j.1582-4934.2008.00346.x
[Indexed for MEDLINE]
Free PMC Article

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