Syringopicroside is a kind of iridoid monomer compound isolated from Syringa oblata exhibiting a potent effect against hepatitis B virus (HBV). The therapeutic effect and safety of syringopicroside-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles (SYR-NP) were studied on the model of HBV-infected ducklings and on cultured HepG2.2.15 cells. HBV DNA in ducklings was assessed by fluorescence quantitative PCR. In HepG2.2.15 cells, the content of HBsAg and HBeAg were assayed. Acute toxicity of SYR-NP was studied in ICR mice in 12 h and 7 days after SYR-NP administration. The serum levels of HBV DNA in ducklings treated with SYR-NP in a high dose was significantly lower than in the control. In HepG2.2.15 cells treated with different doses of SYR-NP, the concentrations of HBsAg and HBeAg were significantly below the control. Acute toxicity test showed high safety of SYR-NP. Thus, SYR-NP can inhibit replication of HBV DNA and protect the liver tissue.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 172, No. 11, pp. 611-617, November, 2021
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Zhang, X.W., Li, M.C. & Dou, J.J. Effect of Hepatocyte Targeting Nanopreparation Syringopicroside on Duck Hepatitis B Virus and Evaluation of Its Safety. Bull Exp Biol Med 172, 573–578 (2022). https://doi.org/10.1007/s10517-022-05436-z
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DOI: https://doi.org/10.1007/s10517-022-05436-z