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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 Stem+Cell+Res+Ther
2017 ; 8
(1
): 196
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Generation of special autosomal dominant polycystic kidney disease iPSCs with the
capability of functional kidney-like cell differentiation
#MMPMID28927462
Huang J
; Zhou S
; Niu X
; Hu B
; Li Q
; Zhang F
; Zhang X
; Cai X
; Lou Y
; Liu F
; Xu C
; Wang Y
Stem Cell Res Ther
2017[Sep]; 8
(1
): 196
PMID28927462
show ga
BACKGROUND: Human induced pluripotent stem cells (iPSCs) have been verified as a
powerful cell model for the study of pathogenesis in hereditary disease.
Autosomal dominant polycystic kidney disease (ADPKD) is caused by mutations of
PKD or non-PKD genes. The pathogenesis of ADPKD remains unexplored because of the
lack of a true human cell model. METHODS: Six ADPKD patients and four healthy
individuals were recruited as donors of somatic cells from a Chinese ADPKD family
without mutations of the PKD genes but carrying SAMSN1 gene deletion. The
ADPKD-iPSCs were generated from somatic cells and were induced into kidney-like
cells (KLCs) by a novel three-step method involving cytokines and renal
epithelium growth medium. Furthermore, we analyzed functional properties of these
KLCs by water transportation and albumin absorption assays. RESULTS: We
successfully generated iPSCs from ADPKD patients and differentiated them into
KLCs that showed morphological and functional characteristics of human kidney
cells. Further, we also found that ADPKD-iPSC-KLCs had a significantly higher
rate of apoptosis and a significantly lower capacity for water transportation and
albumin absorption compared to healthy sibling-derived differentiated KLCs.
Furthermore, knockdown of SAMSN1 in control iPSCs may attenuate differentiation
and/or function of KLCs. CONCLUSIONS: These data show that we have created the
first iPSCs established from ADPKD patients without mutations in the PKD genes,
and suggest that the deletion mutation of SAMSN1 might be involved in the
differentiation and/or function of KLCs. ADPKD-iPSC-KLCs can be used as a
versatile model system for the study of kidney disease.