Title : KRIT1 regulates the homeostasis of intracellular reactive oxygen species.

Pub. Date : 2010 Jul 26

PMID : 20668652






3 Functional Relationships(s)
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1 Moreover, we show that the modulation of intracellular ROS levels by KRIT1 loss/restoration is strictly correlated with the modulation of the expression of the antioxidant protein SOD2 as well as of the transcriptional factor FoxO1, a master regulator of cell responses to oxidative stress and a modulator of SOD2 levels. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
2 Moreover, we show that the modulation of intracellular ROS levels by KRIT1 loss/restoration is strictly correlated with the modulation of the expression of the antioxidant protein SOD2 as well as of the transcriptional factor FoxO1, a master regulator of cell responses to oxidative stress and a modulator of SOD2 levels. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
3 Taken together, our results point to a new model where KRIT1 limits the accumulation of intracellular oxidants and prevents oxidative stress-mediated cellular dysfunction and DNA damage by enhancing the cell capacity to scavenge intracellular ROS through an antioxidant pathway involving FoxO1 and SOD2, thus providing novel and useful insights into the understanding of KRIT1 molecular and cellular functions. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens