LIU Yang,HE Chunyu,LI Tong,et al.Biejiajian Wan Regulates Polarization of Macrophages via HIF-1α/NF-κB Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(19):9-16.
LIU Yang,HE Chunyu,LI Tong,et al.Biejiajian Wan Regulates Polarization of Macrophages via HIF-1α/NF-κB Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(19):9-16. DOI: 10.13422/j.cnki.syfjx.20221201.
Biejiajian Wan Regulates Polarization of Macrophages via HIF-1α/NF-κB Signaling Pathway
To investigate the effect and mechanism of Biejiajian Wan on liver fibrosis by regulating the polarization of macrophages.
Method
2
Raw264.7 cells were cultured
in vitro
by serum pharmacological method, and the hypoxia model of RAW264.7 cells was established by stimulating RAW264.7 cells with cobalt chloride (CoCl
2
). The cells were randomly divided into blank group, CoCl
2
hypoxia model group (200 mmol·L
-1
), Biejiajian Wan low-dose group (200 mmol·L
-1
+0.55 g·kg
-1
Fuzheng Quyu capsules), medium-dose group (200 mmol·L
-1
+1.1 g·kg
-1
Biejiajian Wan), and high-dose group (200 mmol·L
-1
+2.2 g·kg
-1
Biejiajian Wan) and Fuzheng Quyu capsule group (200 mmol·L
-1
+0.56 g·kg
-1
Biejiajian Wan). Cell proliferation was detected by cell counting kit-8 (CCK-8), and the gene expression of hypoxia inducible factor-1
α
(HIF-1
α
), interleukin-1
β
(IL-1
β
) and interleukin-6 (IL-6) in macrophages was detected by real time fluorescence quantitative polymerase chain reaction (Real-time PCR). The expression of macrophage polarization-related protein and HIF-1
α
/nuclear factor-kappa B (NF-
κ
B) signaling pathway-related protein was tested by Western blot, and the distribution and expression of NF-
κ
B signaling pathway-related protein and HIF-1
α
were determined by cell immunofluorescence.
Result
2
Compared with the conditions in the blank group, the proliferation of RAW264.7 cells was inhibited after CoCl
2
stimulation for 24 hours (
P
<
0.05), the mRNA expression of HIF-1
α
, IL-1
β
and IL-6 in the model group were increased (
P
<
0.05), the protein expression of HIF-1
α
and M1 macrophage phenotypic proteins IL-6 and tumor necrosis factor-
α
(TNF-
α
) was boosted while that of M2 macrophage phenotypic protein interleukin-10 (IL-10) was reduced (
P
<
0.05), the protein expression of NF-
κ
B p65, phosphorylation (p)-NF-
κ
B p65, phosphorylated NF-
κ
B inhibits protein kinase
α
/
β
(p-IKK
α
/
β
) and phosphorylated NF-
κ
B inhibits protein
α
(p-I
κ
B
α
) was elevated (
P
<
0.05), the nuclear expression of HIF-1
α
and NF-
κ
B p65 was promoted. Compared with the conditions in the model group, after 24 hours of treatment with corresponding drug-containing serum, each treatment group promoted the proliferation of RAW264.7 cells (
P
<
0.05), the mRNA expression levels of HIF-1
α
, IL-1
β
and IL-6 in macrophages were reduced (
P
<
0.05), the protein expression of HIF-1
α
, IL-6 and TNF-
α
was decreased, while that of CD163 and IL-10 was increased (
P
<
0.05), the protein expression of NF-
κ
B p65, p-NF-
κ
B p65, p-IKK
α
/
β
and p-I
κ
B
α
was lowered (
P
<
0.05), the nuclear expression of HIF-1
α
and NF-
κ
B p65 was inhibited.
Conclusion
2
Biejiajian Wan could modulate the polarization of macrophages, attenuate the injury of macrophage-associated inflammatory response under hypoxia, and thus delay the progression of liver fibrosis, which might be related to its regulation of HIF-1
α
/NF-
κ
B signaling pathway.
关键词
鳖甲煎丸巨噬细胞缺氧诱导因子-1α (HIF-1α)核转录因子-κB(NF-κB)炎症因子
Keywords
Biejiajian Wanmacrophageshypoxia inducible factor-1α (HIF-1α)nuclear factor-kappa B (NF-κB)inflammatory factors
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