Molecular mechanism of Huangqi Guizhi Wuwu Decoction in regulating M1/M2 macrophages to improve inflammatory response
Experimental Studies|更新时间:2023-07-05
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Molecular mechanism of Huangqi Guizhi Wuwu Decoction in regulating M1/M2 macrophages to improve inflammatory response
Journal of Beijing University of Traditional Chinese MedicineVol. 46, Issue 6, Pages: 801-810(2023)
作者机构:
1.山东中医药大学中医学院 济南 250014
2.山东中医药大学附属医院
3.山东省肿瘤防治研究院
作者简介:
Prof. JIANG Ping, Ph.D., Chief Physician. Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No.16369, Jingshi Road, Lixia District, Jinan 250014. E-mail: lmdlmd6617@163.com
基金信息:
National Natural Science Foundation of China(81874449);Taishan Scholars Construction Project(2018-35);China Postdoctoral Science Foundation(2021M702043);Youth Project of Natural Science Foundation of Shandong Province(ZR2020QH307)
WANG Xinhui, WANG Sutong, LYU Mujie, et al. Molecular mechanism of Huangqi Guizhi Wuwu Decoction in regulating M1/M2 macrophages to improve inflammatory response[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(6): 801-810.
DOI:
WANG Xinhui, WANG Sutong, LYU Mujie, et al. Molecular mechanism of Huangqi Guizhi Wuwu Decoction in regulating M1/M2 macrophages to improve inflammatory response[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(6): 801-810. DOI: 10.3969/j.issn.1006-2157.2023.06.010.
Molecular mechanism of Huangqi Guizhi Wuwu Decoction in regulating M1/M2 macrophages to improve inflammatory response
Decoction in regulating M1/M2 macrophage polarization.
Methods
2
U937 cells induced by lipopolysaccharide into M1 macrophages
established α7 nicotinic acetylcholine receptor (α7nAchR) silencing and agonist model. There were divided into the control group
the 10% medicated serum group
the siRNA NC 10% medicated serum group
the siRNA α7nAchR 10% medicated serum group
and the GTS-21 group acting as an α7nAchR agonist. Immunofluorescence was used to detect the number of M1 and M2 macrophages
quantitative real-time PCR was used to detect the mRNA levels of M1 and M2 macrophage marker genes
pro-inflammatory factors produced by M1 macrophages and anti-inflammatory factors produced by M2 macrophages were measured by ELISA. Western blotting was used to detect the expression levels of α7nAchR in macrophages.
Results
2
Compared with the control group
the number of M1 macrophages decreased (
P
<
0.01) and the number of M2 macrophages increased (
P
<
0.01) in the 10% medicated serum group. The expression of the M1 macrophage genes adhesion protein leukocyte integrin (Cd11c) and inducible nitric oxide synthase (iNOS) was reduced (
P
<
0.01)
while expression of the M2 macrophage genes arginase 1 (Arg1) and mannose receptor 1 (CD206) increased (
P
<
0.01). The levels of the pro-inflammatory factors interleukin-1β (IL-1β) and interleukin-6 (IL-6) produced by M1 macrophages decreased (
P
<
0.01)
and the levels of the anti-inflammatory factors interleukin-10 (IL-10) and transforming growth factor-β (TGF-β) produced by M2 macrophages increased (
P
<
0.01). Furthermore
α7nAchR expression increased in the 10% medicated serum group
the siRNA NC 10% medicated serum group
and the GTS-21 group (
P
<
0.01). Compared with the siRNA α7nAchR 10% medicated serum group
the number of M1 macrophages decreased (
P
<
0.01)
and the number of M2 macrophages increased (
P
<
0.01) in the siRNA NC 10% medicated serum group and GTS-21 group. The expression of Cd11c and iNOS decreased (
P
<
0.01) and the expression of Arg1 increased (
P
<
0.01) in the siRNA NC 10% medicated serum group
and the levels of IL-1β and IL-6 were reduced (
P
<
0.01) in the siRNA NC 10% medicated serum group. The levels of IL-10 and TGF-β increased (
P
<
0.01)
and the expression of α7nAchR increased in the siRNA NC 10% medicated serum group and GTS-21 group (
P
<
0.05
P
<
0.01).
Conclusion
2
Huangqi Guizhi Wuwu
Decoction may improve the inflammatory response by activating α7nAchR to induce M1/M2 macrophage polarization.
关键词
Keywords
references
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