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Tissue Cell. 1992;24(3):347-54.

The interphase microtubule cytoskeleton of five different phenotypes of microvessel endothelial cell cultures derived from bovine corpus luteum.

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Institut für Biologie, Medizinischen Universität zu Lübeck, Germany.


The interphase microtubule cytoskeleton of five different microvessel endothelial cell cultures, recently established from bovine corpus luteum, was analysed using anti-tubulin immunofluorescence. An antibody against acetylated microtubules detected four cell types each of which possessed a single cilia. The length of the cilia were up to 10 microns for cell types 1 and 2. Ciliary stubs had a length of up to 0.37 microns in cell types 4 and 5. Cilia were missing in cell type 3. Long and short cilia were located in the perinuclear region from where cytoplasmic microtubules radiated. Cell type 3 displayed straight microtubules rather than the wavy path seen in the other cell types. The amount of tyrosinated microtubules visualized by a specific antibody was consistently higher than that of posttranslationally acetylated microtubules. The latter were more apparent in cell types 4 and 5 than in the other cell types. We conclude: Differences in the cytoplasmic microtubule inventory of each microvessel endothelial cell type points at individual functions maintained in culture.

[Indexed for MEDLINE]

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