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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 World+J+Gastroenterol
2016 ; 22
(12
): 3341-54
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gab.com Text
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Auphen and dibutyryl cAMP suppress growth of hepatocellular carcinoma by
regulating expression of aquaporins 3 and 9 in vivo
#MMPMID27022216
Peng R
; Zhao GX
; Li J
; Zhang Y
; Shen XZ
; Wang JY
; Sun JY
World J Gastroenterol
2016[Mar]; 22
(12
): 3341-54
PMID27022216
show ga
AIM: To investigate whether the regulation of aquaporin 3 (AQP3) and AQP9 induced
by Auphen and dibutyryl cAMP (dbcAMP) inhibits hepatic tumorigenesis. METHODS:
Expression of AQP3 and AQP9 was detected by Western blot, immunohistochemistry
(IHC), and RT-PCR in HCC samples and paired non-cancerous liver tissue samples
from 30 hepatocellular carcinoma (HCC) patients. A xenograft tumor model was used
in vivo. Nine nude mice were divided into control, Auphen-treated, and
dbcAMP-treated groups (n = 3 for each group). AQP3 and AQP9 protein expression
after induction of xenograft tumors was detected by IHC and mRNA by RT-PCR
analysis. The terminal deoxynucleotidyl transferase-mediated dUTP nick end
labeling assay and histological evaluation were used to detect apoptosis of tumor
cells, and the concentration of serum ?-fetoprotein (AFP) was measured using
RT-PCR and an ELISA kit. RESULTS: The volumes and weights of tumors decreased
significantly in the Auphen- and dbcAMP-treated mice compared with the control
mice (P < 0.01). The levels of AQP3 were significantly lower in the Auphen
treatment group, and levels of AQP9 were significantly higher in thedbcAMP
treatment mice than in the control mice (P < 0.01). The reduction of AQP3 by
Auphen and increase of AQP9 by dbcAMP in nude mice suppressed tumor growth of
HCC, which resulted in reduced AFP levels in serum and tissues, and apoptosis of
tumor cells in the Auphen- and dbcAMP-treated mice, when compared with control
mice (P < 0.01). Compared with para-carcinoma tissues, AQP3 expression increased
in tumor tissues whereas the expression of AQP9 decreased. By correlating
clinicopathological and expression levels, we demonstrated that the expression of
AQP3 and AQP9 was correlated with clinical progression of HCC and disease
outcomes. CONCLUSION: AQP3 increases in HCC while AQP9 decreases. Regulation of
AQP3 and AQP9 expression by Auphen and dbcAMP inhibits the development and growth
of HCC.