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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Transl+Res
2016 ; 8
(4
): 1626-40
Nephropedia Template TP
gab.com Text
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English Wikipedia
NPGPx (GPx7): a novel oxidative stress sensor/transmitter with multiple roles in
redox homeostasis
#MMPMID27186289
Chen YI
; Wei PC
; Hsu JL
; Su FY
; Lee WH
Am J Transl Res
2016[]; 8
(4
): 1626-40
PMID27186289
show ga
NPGPx (GPx7) is a member of the glutathione peroxidase (GPx) family without any
GPx activity. GPx7 displays a unique function which serves as a stress
sensor/transmitter to transfer the signal to its interacting proteins by
shuttling disulfide bonds in response to various stresses. In this review, we
focus on the exceptional structural and biochemical features of GPx7 compared to
other 7 family members and described how GPx7 regulates the diverse signaling
targets including GRP78, PDI, CPEB2, and XRN2, and their different roles in
unfolded protein response, oxidative stress, and non-targeting siRNA stress
response, respectively. The phenotypes associated with GPx7 deficiency in mouse
or human including ROS accumulations, highly elevated cancer incidences,
auto-immune disorders, and obesity are also revealed in this paper. Finally, we
compare GPx8 with GPx7, which shares the highest structural similarity but
different biological roles in stress response. These insights have thus provided
a more comprehensive understanding of the role of GPx7 in the maintenance of
redox homeostasis.