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Host cell sensing and restoration of mitochondrial function and metabolism within VacA intoxicated cells. | LitMetric

AI Article Synopsis

Article Abstract

Persistent human gastric infection with is the single most important risk factor for development of gastric malignancy, which is one of the leading causes of cancer-related deaths worldwide. An important virulence factor for colonization and severity of gastric disease is the protein exotoxin VacA, which is secreted by the bacterium and modulates functional properties of gastric cells. VacA acts by damaging mitochondria, which impairs host cell metabolism through impairment of energy production. Here, we demonstrate that intoxicated cells have the capacity to detect VacA-mediated damage, and orchestrate the repair of mitochondrial function, thereby restoring cellular health and vitality. This study provides new insights into cellular recognition and responses to intracellular-acting toxin modulation of host cell function, which could be relevant for the growing list of pathogenic microbes and viruses identified that target mitochondria as part of their virulence strategies.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10653863PMC
http://dx.doi.org/10.1128/mbio.02117-23DOI Listing

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