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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 Am+J+Transl+Res
2018 ; 10
(3
): 1012-1021
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Paeoniflorin exerts protective effect on radiation-induced hepatic fibrosis in
rats via TGF-?1/Smads signaling pathway
#MMPMID29636890
Hu Z
; Qin F
; Gao S
; Zhen Y
; Huang D
; Dong L
Am J Transl Res
2018[]; 10
(3
): 1012-1021
PMID29636890
show ga
AIM: This study aimed to investigate the protective effects of paeoniflorin (PAE)
on radiation-induced hepatic fibrosis in a rat model. METHODS: Fifty healthy male
Sprague-Dawley rats were randomly assigned to normal control group, hepatic
fibrosis group, and PAE treatment groups. X-ray exposure was employed to
establish radiation-induced hepatic fibrosis model. PAE was administered once
daily, and rats were sacrificed at week 26 after irradiation. The liver
histopathology was evaluated under a light microscope after HE staining and
Masson staining. Meanwhile, the protein expression of transforming growth
factor-beta 1 (TGF-?1), Smad3/4 and Smad7 was detected by immunohistochemistry.
RESULTS: Radiation-induced liver damage and collagen deposition were observed in
the model group as compared to normal control group, but PAE treatment
significantly attenuated the liver injury and reduce collagen deposition (P<0.05
or 0.01). The hepatic hydroxyproline content and serum levels of TGF-?1,
hyaluronic acid, ro-collagen type III and laminin markedly increased in model
group as compared to control group (P<0.01), but they decreased dramatically
after PAE treatment. The expression of TGF-?1, Smad3/4 and Smad7 in the liver
increased significantly in model group as compared to control group (P<0.01), and
PAE could down-regulate the expression of Smad3/4 and up-regulate Smad7
expression (P<0.05 or 0.01). The activities of serum amino-transferase and
aspartate aminotransferase were significantly higher in hepatic fibrosis group
than in normal control group, but PAE treatment markedly reduced them (P<0.05).
CONCLUSION: PAE can inhibit the radiation induced hepatic fibrosis via regulating
TGF-?1/Smads signaling pathway.