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2015 ; 2015
(ä): 595030
Nephropedia Template TP
gab.com Text
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English Wikipedia
Vitamin D can ameliorate chlorhexidine gluconate-induced peritoneal fibrosis and
functional deterioration through the inhibition of epithelial-to-mesenchymal
transition of mesothelial cells
#MMPMID26495304
Lee YC
; Hung SY
; Liou HH
; Lin TM
; Tsai CH
; Lin SH
; Tsai YS
; Chang MY
; Wang HH
; Ho LC
; Chen YT
; Wu CF
; Chen HC
; Chen HP
; Liu KW
; Chen CI
; She KM
; Wang HK
; Lin CW
; Chiou YY
Biomed Res Int
2015[]; 2015
(ä): 595030
PMID26495304
show ga
BACKGROUND: Peritoneal dialysis (PD) can induce fibrosis and functional
alterations in PD patients' peritoneal membranes, due to long-term
unphysiological dialysate exposure, partially occurring via triggering of
epithelial-to-mesenchymal transition (EMT) in peritoneal mesothelial cells (MCs).
Vitamin D can ameliorate these negative effects; however, the mechanism remains
unexplored. Therefore, we investigated its possible links to MCs EMT inhibition.
METHODS: Peritoneal fibrosis was established in Sprague-Dawley rats by
chlorhexidine gluconate (CG) intraperitoneal injection for 21 days, with and
without 1?,25(OH)2D3 treatment. Morphological and functional evaluation and
western blot analysis of EMT marker were performed upon peritoneum tissue. In
vitro study was also performed in a primary human peritoneal MC culture system;
MCs were incubated with transforming growth factor-?1 (TGF-?1) in the absence or
presence of 1?,25(OH)2D3. EMT marker expression, migration activities, and
cytoskeleton redistribution of MCs were determined. RESULTS: 1?,25(OH)2D3
ameliorated CG-induced morphological and functional deterioration in animal
model, along with CG-induced upregulation of ?-SMA and downregulation of
E-cadherin expression. Meanwhile, 1?,25(OH)2D3 also ameliorated TGF-?1-induced
decrease in E-cadherin expression, increase in Snai1 and ?-SMA expression,
intracellular F-actin redistribution, and migration activity in vitro.
CONCLUSION: 1?,25(OH)2D3 can ameliorate CG-induced peritoneal fibrosis and
attenuate functional deterioration through inhibiting MC EMT.