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Title 

Antioxidant and proliferative activity of the fruit extract of lycium chinense in regenerating liver after partial hepatectomy in rats

Authors 

Y M AhnG S LeeH G YangE G JungKook-Il HanM D HanW J Kim

Issue Date 

2018

Citation 

Biomedical Research - India

Keywords 

Antioxidant activityLycium chinense fruitPartial hepatectomyRegenerating liver

Abstract 

Objective: This study was carried out to evaluate the antioxidant activity and effect of a hot water extract of Lycium chinense fruit (LFE) on liver regeneration induced by Partial Hepatectomy (PH) in rats. Methods: Antioxidant activity of LFE was determined. Rats were divided into three groups; laparotomized (sham, n=15), 70% PH (control, n=25), and LFE-treated after PH (experimental, n=35). Starting 7 days before PH, rats received DW or LFE (500 mg/kg in DW) orally once a day until sacrifice. Rats were sacrificed on d 0.5, 1, 2, 3, and 7 after surgery. Liver regeneration ratio and Proliferating Cell Nuclear Antigen (PCNA) expression were determined through immunohistochemistry and western blotting. Results: Final extraction yield of LFE was 36.0%. LFE scavenged the DPPH and the ABTS radicals in a concentration-dependent manner. The IC50 of LFE on DPPH and ABTS antioxidant activity was 5.97 mg/ml and 2.53 mg/ml, respectively. The extent of liver regeneration seen in the experimental group (91.29%) at 7 d after PH was greater than that in the control group (89.43%). After PH, the liver reconstruction process involving collapse, re-arrangement and re-modelling of hepatic tissue was observed to happen sooner in the experimental group. The number of PCNA-positive hepatocytes obviously increased in the experimental group. PCNA-positive hepatocyte ratio peaked at 2 and 3 d in the experimental and control groups, respectively. Conclusions: Administration of LFE had beneficial effects on the regenerative capacity of remnant liver tissue after 70% PH in rats, probably owing to its antioxidant and proliferative properties.

ISSN 

0970-938X

Link 

http://dx.doi.org/10.4066/biomedicalresearch.29-18-632

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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