Hui-jie FAN, Zhang-bin TAN, Hong-feng LIANG, et al. Effect of Sinisan on Macrophage Polarization of RAW264.7 Cells Induced by Lipopolysaccharide[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 9-14.
DOI:
Hui-jie FAN, Zhang-bin TAN, Hong-feng LIANG, et al. Effect of Sinisan on Macrophage Polarization of RAW264.7 Cells Induced by Lipopolysaccharide[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 9-14. DOI: 10.13422/j.cnki.syfjx.20191301.
Effect of Sinisan on Macrophage Polarization of RAW264.7 Cells Induced by Lipopolysaccharide
To investigate the regulatory effect of Sinisan(SNS) on the polarization of RAW264.7 macrophages induced by lipopolysaccharide (LPS).
Method:
2
RAW264.7 cells stimulated by LPS were used as the
in vitro
model. The cells were intervened with the different concentrations of SNS in advance. The effects of different concentrations of SNS on the proliferation of RAW264.7 cells were detected by methyl thiazolyl tetrazolium (MTT) colorimetry. The degree of cell differentiation was detected by enzyme-linked immuno sorbent assay(ELISA) method. The contents of M1 polarization factors tumor necrosis factor-
α
(TNF-
α
)
interleukin-6 (IL-6)
interleukin-1
β
(IL-1
β
) and M2 polarization factors interleukin-10 (IL-10) in cell culture supernatant were detected by ELISA method
mRNA levels of M1 polarization factors TNF-
α
IL-6 and M2 polarization factors IL-10
arginase-1 (Arg-1) were detected by Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) method.
Result:
2
SNS had no effect on the cell viability of RAW264.7 cells
inhibited LPS-induced cell proliferation
decreased LPS-stimulated cell differentiation
down-regulated M1 polarizing factors TNF-
α
IL-6
IL-1
β
release and TNF-
α
IL-6 mRNA levels
and increased the release of IL-10 and mRNA levels of IL-10 and Arg-1.
Conclusion:
2
SNS inhibits the inflammation of RAW264.7 cells induced by LPS
and its mechanism may be related to the regulation of polarization balance of M1/M2 macrophages.
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