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Abstract Title:

Puerarin Loaded PLGA Nanoparticles: Optimization Processes of Preparation and Anti-alcohol Intoxication Effects in Mice.

Abstract Source:

AAPS PharmSciTech. 2021 Aug 12 ;22(6):217. Epub 2021 Aug 12. PMID: 34386832

Abstract Author(s):

Qin Han, Kejie Chen, Cunli Su, Xin Liu, Xiaoming Luo

Article Affiliation:

Qin Han

Abstract:

To improve the bioavailability of puerarin in liver, the optimized preparation method of puerarin-PLGA nanoparticles (Pue-PLGA-nps) and the effect of Pue-PLGA-nps on alcoholism mice were studied. The preparation of Pue-PLGA-nps was optimized by the Box-Behnken design and response surface methodology (RSM). To estimate the anti-alcoholism of Pue-PLGA-nps in vivo, drunkenness incubation period and sober time of mice were detected, and Morris water maze (MWM) test was performed. AST, ALT, and SOD were used to determine the damages and oxidative stress in the liver, as well as histopathological observation of the liver. The optimal preparation conditions of Pue-PLGA-nps in RSM were as follows: the drug-material ratio was 1:1.4, the reaction temperature was 65°C, and the reaction time was 13 min. The drug entrapment efficiency of Pue-PLGA-nps was 90.6% and closely up to 98.9% of the standard prediction value. The results in vivo showed that the Pue-PLGA-nps significantly increased the drunkenness incubation period in comparison with the model group anddecreased drunkenness sober time and landing time in MWM in comparison with the model group and puerarin group (P<0.05) . The contents of AST and ALT in the liver of Pue-PLGA-nps group were significantly lower than those of model group and Puerarin group (P<0.05), and the activity of SOD in the liver of Pue-PLGA-nps group was higher than that of model group (P<0.05). By histopathological observation, moreover, Pue-PLGA-nps significantly attenuated the impairment of the liver caused by alcoholism. In conclusion, through BBD and RSM, the process conditions of the Pue-PLGA-nps were successfully optimized. The Pue-PLGA-nps exerted higher bioavailability and better effect of anti-alcoholism than puerarin, indicating PLGA nanoparticles could be potential to deliver drug.

Study Type : Animal Study

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