Chinese Journal Of Clinical Anatomy ›› 2018, Vol. 36 ›› Issue (5): 520-526.doi: 10.13418/j.issn.1001-165x.2018.05.008

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The protective effect of diosmetin on non-alcoholic fatty liver disease of young rats

ZHENG Fang-fang1, GUO Xin-ming2, ZHONG Bei-long3, JIANG Xiao-yun4   

  1. 1.Department of Pediatrics; 2. Department of faculty of pharmaceutical Sciences; 3. Department of Thoracic Surgery, the Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai 519000, Guangdong Province , China; 4. Department of Pediatrics, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510080, China
  • Received:2018-05-28 Online:2018-09-25 Published:2018-10-26

Abstract:

Objective To explore the effect of diosmetin on non-alcoholic fatty liver disease of young rats induced by high-fat diet. Methods The rats models of non-alcoholic fatty liver disease were induced by high-fat diet. The levels of serum lipid and inflammatory factors were detected by enzyme-linked immunosorbent assay (ELISA). The pathological changes and apoptosis of liver tissues were observed by hematoxylin- eosin (HE) staining and terminal deoxynucleotidyl transferase- mediated dUTP nick labeling (TUNEL). The levels of p-AMPKα1, AMPKα1, CPT-1, PPAR-α, SREBP-1c, FAS, p-P38, P38, p-AKT, AKT, p-AKT, AKT were tested by western blot. Results Compared with control group, the levels of TC, TG, LDL-c in high fat diet group were increased with declined levels of HDL-c (P<0.01). Compared with high fat diet group, the levels of TC, TG, LDL-c in diosmetin (10, 20, 50 mg/kg) groups were reduced with enhanced levels of HDL-c (P<0.01). The high fat diet-induced pathological changes of liver tissues were reliefed by diosmetin. The apoptosis of liver tissues in high fat diet group was higher than that of control group (P<0.01). The apoptosis of liver tissues in diosmetin (10, 20, 50 mg/kg) groups was lower than that of high fat diet group (P<0.01). The levels of p-AMPKα1, CPT-1 and PPAR-α in high fat diet group were lower than that of control group (P<0.01). Compared with high fat diet group, the levels of p-AMPKα1, CPT-1 and PPAR-α in diosmetin (20, 50 mg/kg) groups were elevated (P<0.01). The levels of SREBP-1c and FAS in high fat diet group were higher than that of control group (P<0.01). Compared with high fat diet group, the levels of SREBP-1c and FAS in diosmetin (10, 20, 50 mg/kg) groups were decreased (P<0.01). Moreover, the levels of IL-6, IL-1β and TNF-α in high fat diet group were higher than that of control group (P<0.01). Compared with high fat diet group, the levels of IL-6, IL-1β and TNF-α in diosmetin (20, 50 mg/kg) groups were reduced (P<0.01). In addition, the inhibitory effect of compound C on AMPK pathway was reversed by diosmetin.   Conclusion  Diosmetin alleviates the abnormal lipid metabolism, pathological changes of liver tissues, apoptosis and inflammatory response in high-fat diet-induced non-alcoholic fatty liver disease rats by activating AMPK pathway.

Key words: Diosmetin; Non-alcoholic fatty liver disease;  , Lipid metabolism;   , Liver injury;   , AMPK pathway;   , Inflammation