PMID: 3757060Aug 1, 1986Paper

The effect of beta,beta'-iminodipropionitrile (IDPN) on cytoskeletal organization in cultured human skin fibroblasts

Cell Biology International Reports
H D Durham

Abstract

By impairing the axonal transport of neurofilaments, IDPN induces large, filament-filled swellings in the proximal portion of axons of spinal motor neurones. We have reported that 2,5-hexanedione, another agent producing focal accumulation of neurofilaments, induces aggregation of intermediate filaments of the vimentin type in human skin fibroblasts grown in tissue culture. IDPN was tested in this model to determine if this chemical also affects a general mechanism involved in cytoplasmic transport of the cytomatrix or a process exclusive to axonal flow of neurofilaments. Although aggregates of intermediate filaments were seen in fibroblasts exposed to IDPN, they did not occur in the absence of generalized cytotoxicity and were labelled by antisera against tubulin, actin and fibronectin in addition to vimentin. It is probable the effect of IDPN on the distribution of intermediate filaments was secondary to changes in cell shape occurring during slow detachment from the substratum.

Citations

Dec 15, 2020·The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques·Andrew Eisen, David Taylor

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