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2017 ; 50
(2
): 91-96
Nephropedia Template TP
gab.com Text
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English Wikipedia
The hypertension drug, verapamil, activates Nrf2 by promoting p62-dependent
autophagic Keap1 degradation and prevents acetaminophen-induced cytotoxicity
#MMPMID27998394
Lee DH
; Park JS
; Lee YS
; Sung SH
; Lee YH
; Bae SH
BMB Rep
2017[Feb]; 50
(2
): 91-96
PMID27998394
show ga
Nuclear factor erythroid 2-related factor 2 (Nrf2) provides a cellular defense
against oxidative stress by inducing the expression of antioxidant and
detoxification enzymes. The calcium antagonist, verapamil, is an FDA-approved
drug prescribed for the treatment of hypertension. Here, we show that verapamil
acts as a potent Nrf2 activator without causing cytotoxicity, through degradation
of Kelch-like ECH-associated protein 1 (Keap1), a Nrf2 repressor. Furthermore,
verapamilinduced Keap1 degradation is prominently mediated by a p62-dependent
autophagic pathway. Correspondingly, verapamil protects cells from
acetaminophen-induced oxidative damage through Nrf2 activation. These results
demonstrated the underlying mechanisms for the protective role of verapamil
against acetaminophen-induced cytotoxicity. [BMB Reports 2017; 50(2): 91-96].
|*Cytoprotection/drug effects/genetics
[MESH]
|Acetaminophen/*toxicity
[MESH]
|Animals
[MESH]
|Antihypertensive Agents/*pharmacology
[MESH]
|Autophagy/drug effects/genetics
[MESH]
|Cells, Cultured
[MESH]
|HEK293 Cells
[MESH]
|Humans
[MESH]
|Kelch-Like ECH-Associated Protein 1/genetics/*metabolism
[MESH]