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2017 ; 7
(1
): 9827
Nephropedia Template TP
gab.com Text
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English Wikipedia
A novel three-dimensional culture system maintaining the physiological
extracellular matrix of fibrotic model livers accelerates progression of
hepatocellular carcinoma cells
#MMPMID28851916
Miyauchi Y
; Yasuchika K
; Fukumitsu K
; Ishii T
; Ogiso S
; Minami T
; Kojima H
; Yamaoka R
; Katayama H
; Kawai T
; Yoshitoshi-Uebayashi EY
; Kita S
; Yasuda K
; Sasaki N
; Uemoto S
Sci Rep
2017[Aug]; 7
(1
): 9827
PMID28851916
show ga
Liver fibrosis is characterized by the progressive accumulation of extracellular
matrix (ECM) and is a strong predictor of hepatocellular carcinoma (HCC)
development and progression. However, the effect of ECM in fibrotic livers on HCC
cells is poorly understood. The aims of this study were to create a new culture
system that retained the natural ECM of fibrotic model livers and to establish
whether natural ECM regulated the characteristics of HCC cells. Using an organ
decellularization technique, we created a new culture system that preserved the
tissue-specific ECM of fibrotic model livers from CCl(4)-treated rats. The
content of ECM in fibrotic model liver scaffolds was increased and the ECM
microstructure was distorted. Quantitative polymerase chain reaction and
immunofluorescence assays of HCC cells cultured in fibrotic model liver scaffolds
for 7 days showed an epithelial-mesenchymal transition phenotype. Moreover, the
ECM of fibrotic model livers promoted proliferation and chemoresistance of HCC
cells. These results showed a novel effect of natural ECM in fibrotic model
livers on the malignant behaviour of HCC cells. This new culture system will be
useful for both understanding the cell biology of fibrotic livers and developing
novel anti-cancer drugs.