Article
Endocytosis and retrograde transport of pertussis toxin to the Golgi complex as a prerequisite for cellular intoxication.
European journal of cell biology - 1 May 1997
el Bayâ A, Linnemann R, von Olleschik-Elbheim L, Robenek H, Schmidt M A
Abstract excerpt
The uptake mechanism of pertussis toxin (PT) in CHO and insulin-producing HIT-T15 cells was studied. By electron microscopy after direct labeling of the toxin with gold particles, PT was found to be taken up by receptor-mediated endocytosis. The presence of active pertussis toxin in the Golgi complex was shown by subcellular fractionation. The importance of the Golgi localization of pertussis toxin for the...
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