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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 Nat+Commun
2018 ; 9
(1
): 1234
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The CPLANE protein Intu protects kidneys from ischemia-reperfusion injury by
targeting STAT1 for degradation
#MMPMID29581513
Wang S
; Liu A
; Wu G
; Ding HF
; Huang S
; Nahman S
; Dong Z
Nat Commun
2018[Mar]; 9
(1
): 1234
PMID29581513
show ga
Intu is known as a ciliogenesis and planar polarity effector (CPLANE) protein.
Although roles for Intu have been reported during embryonic development and in
the context of developmental disorders, its function and regulation in adult
tissues remain poorly understood. Here we show that ablation of Intu specifically
in kidney proximal tubules aggravates renal ischemia-reperfusion injury, and
leads to defective post-injury ciliogenesis. We identify signal transducer and
activator of transcription 1 (STAT1) as a novel interacting partner of Intu. In
vitro, Intu and STAT1 colocalize at the centriole/basal body area, and Intu
promotes proteasomal degradation of STAT1. During cell stress, Intu expression
preserves cilia length and cell viability, and these actions are antagonized by
STAT1 expression. Thus, we propose a role for Intu in protecting cells and
tissues after injury by targeting STAT1 for degradation and maintaining primary
cilia.