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2017 ; 21
(7
): 1315-1328
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Autophagy is involved in mouse kidney development and podocyte differentiation
regulated by Notch signalling
#MMPMID28158917
Zhang C
; Li W
; Wen J
; Yang Z
J Cell Mol Med
2017[Jul]; 21
(7
): 1315-1328
PMID28158917
show ga
Podocyte dysfunction results in glomerular diseases accounted for 90% of
end-stage kidney disease. The evolutionarily conserved Notch signalling makes a
crucial contribution in podocyte development and function. However, the
underlying mechanism of Notch pathway modulating podocyte differentiation remains
less obvious. Autophagy, reported to be related with Notch signalling pathways in
different animal models, is regarded as a possible participant during podocyte
differentiation. Here, we found the dynamic changes of Notch1 were coincided with
autophagy: they both increased during kidney development and podocyte
differentiation. Intriguingly, when Notch signalling was down-regulated by DAPT,
autophagy was greatly diminished, and differentiation was also impaired. Further,
to better understand the relationship between Notch signalling and autophagy in
podocyte differentiation, rapamycin was added to enhance autophagy levels in
DAPT-treated cells, and as a result, nephrin was recovered and DAPT-induced
injury was ameliorated. Therefore, we put forward that autophagy is involved in
kidney development and podocyte differentiation regulated by Notch signalling.