RAB5A and TRAPPC6B are novel targets for Shiga toxin 2a inactivation in kidney epithelial cells.

ABSTRACT: The cardinal virulence factor of human-pathogenic enterohaemorrhagic Escherichia coli (EHEC) is Shiga toxin (Stx), which causes severe extraintestinal complications including kidney failure by damaging renal endothelial cells. In EHEC pathogenesis, the disturbance of the kidney epithelium by Stx becomes increasingly recognised, but how this exactly occurs is unknown. To explore this molecularly, we investigated the Stx receptor content and transcriptomic profile of two human renal epithelial cell lines: highly Stx-sensitive ACHN cells and largely Stx-insensitive Caki-2 cells. Though both lines exhibited the Stx receptor globotriaosylceramide, RNAseq revealed strikingly different transcriptomic responses to an Stx challenge. Using RNAi to silence factors involved in ACHN cells' Stx response

SUBMITTER: Kouzel IU 

PROVIDER: S-EPMC7080763 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature