Title : Nrf2 overexpression protects against paraquat-induced A549 cell injury primarily by upregulating P-glycoprotein and reducing intracellular paraquat accumulation.

Pub. Date : 2019 Feb

PMID : 30679998






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1 Nrf2 overexpression protects against paraquat-induced A549 cell injury primarily by upregulating P-glycoprotein and reducing intracellular paraquat accumulation. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
2 Nrf2 overexpression protects against paraquat-induced A549 cell injury primarily by upregulating P-glycoprotein and reducing intracellular paraquat accumulation. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
3 A previous study has demonstrated that the upregulation of nuclear factor erythroid-2 related factor 2 (Nrf2) prevents PQ toxicity in cell line and murine models. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
4 A previous study has demonstrated that the upregulation of nuclear factor erythroid-2 related factor 2 (Nrf2) prevents PQ toxicity in cell line and murine models. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
5 As Nrf2 target genes include a group of membrane transporters, the current study assessed the protective mechanism exerted by Nrf2 against PQ toxicity and intracellular PQ accumulation via its effects on P-glycoprotein (P-gp), a downstream transporter of Nrf2. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
6 As Nrf2 target genes include a group of membrane transporters, the current study assessed the protective mechanism exerted by Nrf2 against PQ toxicity and intracellular PQ accumulation via its effects on P-glycoprotein (P-gp), a downstream transporter of Nrf2. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
7 As Nrf2 target genes include a group of membrane transporters, the current study assessed the protective mechanism exerted by Nrf2 against PQ toxicity and intracellular PQ accumulation via its effects on P-glycoprotein (P-gp), a downstream transporter of Nrf2. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
8 As Nrf2 target genes include a group of membrane transporters, the current study assessed the protective mechanism exerted by Nrf2 against PQ toxicity and intracellular PQ accumulation via its effects on P-glycoprotein (P-gp), a downstream transporter of Nrf2. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
9 The results revealed that overexpressed Nrf2 significantly increased P-gp protein levels, decreased the intracellular accumulation of PQ and attenuated PQ-induced toxicity. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
10 The results revealed that overexpressed Nrf2 significantly increased P-gp protein levels, decreased the intracellular accumulation of PQ and attenuated PQ-induced toxicity. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
11 However, the protective effects of Nrf2 overexpression on PQ-challenged A549 cells were abrogated following cyclosporine A treatment, a competitive inhibitor of P-gp, which also increased intracellular PQ levels. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
12 However, the protective effects of Nrf2 overexpression on PQ-challenged A549 cells were abrogated following cyclosporine A treatment, a competitive inhibitor of P-gp, which also increased intracellular PQ levels. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
13 These data indicated that Nrf2 gene overexpression prevented PQ toxicity in A549 cells, potentially via the upregulation of P-gp activity and the inhibition of intracellular PQ accumulation. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
14 These data indicated that Nrf2 gene overexpression prevented PQ toxicity in A549 cells, potentially via the upregulation of P-gp activity and the inhibition of intracellular PQ accumulation. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus
15 Thus, Nrf2 and P-gp may serve as potential therapeutic targets for the treatment of PQ-induced injury. Paraquat nuclear factor, erythroid derived 2, like 2 Mus musculus