LIU Ying,ZHANG Chunlei,SHAN Yawei,et al.Effect of Bushen Jianpi Formula (补肾健脾方) Drug Containing Serum on Dendritic Cell Subsets after Hepatitis B Virus Infection[J].Journal of Traditional Chinese Medicine,2023,64(01):55-61.
LIU Ying,ZHANG Chunlei,SHAN Yawei,et al.Effect of Bushen Jianpi Formula (补肾健脾方) Drug Containing Serum on Dendritic Cell Subsets after Hepatitis B Virus Infection[J].Journal of Traditional Chinese Medicine,2023,64(01):55-61.DOI: 10.13288/j.11-2166/r.2023.01.011.
Effect of Bushen Jianpi Formula (补肾健脾方) Drug Containing Serum on Dendritic Cell Subsets after Hepatitis B Virus Infection
To investigate the regulatory effect of Bushen Jianpi Formula (补肾健脾方, BJF) on the inhibition of dendritic cells (DC) subsets after infection with different hepatitis B virus (HBV)loads.
Methods
2
Peripheral blood mononuclear cells (PBMC) were obtained from healthy individuals. SD rats were used to prepare blank and BJP-containing serum, and HepG 2.2.15 cell line was used to prepare HBV virus liquid. The experiments were divided into low virus stimulation experiment (concentration of 1×10
5
IU/well) and high virus stimulation experiment (concentration of 1×10
7
IU/well). In the low virus stimulation experiments, 6 replicate wells each with 1×10
6
cells were set in the normal groupⅠ, low virus group (1 μl of concentrated virus fluid), blank serum groupⅠ (1 μl of concentrated virus fluid plus 200 μl of 10% blank serum), and BJF-containing serum groupⅠ (1 μl of concentrated virus fluid plus 200 μl of 10% BJF-containing serum). In the high virus stimulation experiments, 6 replicate wells each with 1×10
6
cells were set in the normal groupⅡ, high virus group (100 μl of concentrated virus fluid), blank serum groupⅡ (100 μl of concentrated virus fluid plus 200 μl of 10% blank serum), and BJF-containing serum groupⅡ (100 μl of concentrated virus fluid plus 200 μl of 10% BJF-containing serum). The content of myeloid dendritic cells (mDC) and plasmacytoid dendritic cells (pDC) of DC subsets in each group in the two experiments were detected by flow cytometry at 12 h, 24 h, 36 h and 48 h.
Results
2
In the low virus stimulation experiment, the contents of mDC and pDC in the BJF-containing groupⅠ were significantly higher than those in the blank serum groupⅠ and low virus stimulation group measured at the same timepoint (
P
<0.05), and were not significantly different in mDC content when compared between different timepoints in the BJF-containing groupⅠ (
P
>0.05); lower pDC measurements were found at 12 h and 24 h than at 36 h and 48 h in the other two groups (
P
<0.05). In the high virus stimulation experiment, the proportions of mDC and pDC in BJF-containing serum groupⅡ were higher than those in blank serum groupⅡ and high virus stimulation group measured at the same timepoint (
P
<0.05), and lower contents of pDC were found when measured at 12 h and 24 h than at 36 h and 48 h, and lower mDC contents at 36 h than at 12 h and 24 h, as well as at 48 h than at 12 h in the BJF-containing serum groupⅡ (
P
<0.05). The proportions of mDC and pDC in both high and low virus stimulation groups decreased with the increasing intervention time of HBV stimulation at different loadings at 12 h, 24 h, 36 h and 48 h (
P
<0.05). The proportion of mDC in the high virus stimulation group was lower than that in the low virus stimulation group at all timepoints (
P
<0.05), and pDC was lower than that in the low virus stimulation group only at 12 h (
P
<0.05).
Conclusion
2
BJF-containing serum can improve the inhibition of DC subsets by HBV and can increase the ratio of mDC and pDC, thus enhancing the body's immune response to HBV.
关键词
Keywords
references
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