Journal of Traditional Chinese Medicine ›› 2024, Vol. 44 ›› Issue (6): 1227-1235.DOI: 10.19852/j.cnki.jtcm.2024.06.009
• Research Articles • Previous Articles Next Articles
LUO Kun1, ZHONG Yumei2, GUO Yanding1, ZHANG Linlin1, HU Danhui1, MA Wenbin1, YANG Xin3, ZHOU Haiyan1()
Received:
2023-09-11
Accepted:
2023-12-05
Online:
2024-12-15
Published:
2024-11-12
Contact:
ZHOU Haiyan
About author:
Prof. ZHOU Haiyan, Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China. zhouhaiyan@cdutcm.edu.cn Telephone: +86-13551039390Supported by:
LUO Kun, ZHONG Yumei, GUO Yanding, ZHANG Linlin, HU Danhui, MA Wenbin, YANG Xin, ZHOU Haiyan. Moxibustion inhibits the macrophage M1 polarization toll-like receptor 4/myeloid differentiation factor 88/nuclear factor kappa B signaling pathway by regulating T-cell immunoglobulin and mucin-containing protein-3 in rheumatoid arthritis[J]. Journal of Traditional Chinese Medicine, 2024, 44(6): 1227-1235.
Figure 1 Investigation of the effect of moxibustion on reducing foot swell and inflammatory responses in rats with rheumatoid arthritis A: photo of footpads of rats in the control group; B: photo of footpads of rats in the rheumatoid arthritis group; C: photo of footpads of rats in the moxibustion group; D: HE stained image of ankle of control groups, magnification:× 20; E: HE stained image of ankle of rheumatoid arthritis groups, magnification:× 20; F: HE stained image of ankle of moxibustion groups, magnification:× 20; G: HE stained image of ankle of control groups, magnification:× 200; H: HE stained image of ankle of rheumatoid arthritis groups, magnification:× 200; I: HE stained image of ankle of moxibustion groups, magnification:× 200. The control group received 0.5 mL/kg of saline with bilateral foot pads; the rheumatoid arthritis group received 0.5 mL/kg of FCA with bilateral foot pads; the moxibustion group received 0.5 mL/kg of FCA with bilateral foot pads for three cycles of moxibustion treatment. HE: hematoxylin-eosin staining; FCA: Freund's Adjuvant Complete.
Item | Group | n | Day 0 | Day 7 | Day 14 | Day 21 | Day 28 |
---|---|---|---|---|---|---|---|
Right | Control | 6 | 0.35±0.03 | 0.35±0.03 | 0.34±0.02 | 0.33±0.02 | 0.34±0.02 |
RA | 6 | 0.37±0.03 | 0.63±0.02a | 0.66±0.05a | 0.62±0.04a | 0.59±0.03a | |
Mox | 6 | 0.37±0.02 | 0.62±0.03a | 0.51±0.04ab | 0.49±0.05ab | 0.50±0.02ab | |
Left | Control | 6 | 0.36±0.02 | 0.39±0.02 | 0.36±0.03 | 0.36±0.03 | 0.36±0.02 |
RA | 6 | 0.37±0.03 | 0.71±0.12a | 0.69±0.10a | 0.71±0.08a | 0.68±0.06a | |
Mox | 6 | 0.37±0.02 | 0.71±0.03a | 0.55±0.04ab | 0.52±0.02ab | 0.52±0.03ab |
Table 1 Thicknesses of the left and right foot pads (cm, $\bar{x}±s$)
Item | Group | n | Day 0 | Day 7 | Day 14 | Day 21 | Day 28 |
---|---|---|---|---|---|---|---|
Right | Control | 6 | 0.35±0.03 | 0.35±0.03 | 0.34±0.02 | 0.33±0.02 | 0.34±0.02 |
RA | 6 | 0.37±0.03 | 0.63±0.02a | 0.66±0.05a | 0.62±0.04a | 0.59±0.03a | |
Mox | 6 | 0.37±0.02 | 0.62±0.03a | 0.51±0.04ab | 0.49±0.05ab | 0.50±0.02ab | |
Left | Control | 6 | 0.36±0.02 | 0.39±0.02 | 0.36±0.03 | 0.36±0.03 | 0.36±0.02 |
RA | 6 | 0.37±0.03 | 0.71±0.12a | 0.69±0.10a | 0.71±0.08a | 0.68±0.06a | |
Mox | 6 | 0.37±0.02 | 0.71±0.03a | 0.55±0.04ab | 0.52±0.02ab | 0.52±0.03ab |
Figure 2 Inflammatory responses in rats with RA can be improved by moxibustion A: levels of IFN-γ in serum of rats in each group; B: levels of IL-6 in serum of rats in each group; C: levels of MHC-Ⅱ in serum of rats in each group; D: levels of MMP-1 in serum of rats in each group. The rheumatoid arthritis and moxibustion groups injected 0.5 mL/kg of FCA, the control group received an equal amount of normal saline, and three cycles of moxibustion treatment for the moxibustion group. IFN-γ: interferon gamma; IL-6: interleukin-6; MHC-Ⅱ: major histocompatibility complex Ⅱ; MMP-1: matrix metallopeptidase 1; FCA: Freund's Adjuvant Complete. The Data represent the mean ± standard deviation using one-way analysis of variance (n = 6). aP < 0.05 vs the control group; bP < 0.05 vs the rheumatoid arthritis group.
Figure 3 Moxibustion inhibits M1 polarization of macrophages. Expression of factors related to TLR4-MyD88-NF-κB pathway A: expression of TLR4mRNA; B: expression of MyD88mRNA. C: Western blot results showing expression level of NF-κB protein; D: Western blot analysis; E: expression of TIM-3mRNA; F: expression of TIM-3mRNA after lentivirus interference. qPCR was performed on spleens from rheumatoid arthritis rats to determine mRNA expression levels. Measurement of NF-κB expression in synovium by Weston blot. The rheumatoid arthritis, moxibustion groups and TIM-3 lentiviral intervention groups injected 0.5 mL/kg of FCA, the control group received an equal amount of normal saline, and three cycles of moxibustion treatment for the moxibustion group. Lentiviral was injected into the rat foot pads of the TIM-3 lentiviral intervention group. TLR4: Toll-like receptor 4; MyD88: Myeloid differentiation factor 88; NF-κB: Nuclear factor kappa B; TIM-3: T-cell immunoglobulin and mucin-containing protein-3. The Data represent the mean ± standard deviation using one-way analysis of variance (n = 6). aP < 0.01, cP < 0.05 vs the control group; bP < 0.01, dP < 0.05 vs the rheumatoid arthritis group.
Figure 4 Moxibustion modulates TIM-3 to inhibit macrophage M1 polarization Expression of factors related to Tim-3/TLR4-MyD88-NF-κB pathway. A: levels of IL-12 in serum of rats in each group; B: Levels of TNF-α in serum of rats in each group; C: levels of TNF-β in serum of rats in each group; D: expression of MyD88mRNA; E: expression of NF-κBmRNA. The rheumatoid arthritis, moxibustion groups, TIM-3 lentiviral intervention and TIM-3 lentiviral intervention + moxibustion intervention groups injected 0.5 mL/kg of FCA, the control group received an equal amount of normal saline, and three cycles of moxibustion treatment for the moxibustion and TIM-3 lentiviral intervention + moxibustion intervention groups. Lentiviral was injected into the rat foot pads of the TIM-3 lentiviral intervention and TIM-3 lentiviral intervention + moxibustion intervention groups. IL-12: interleukin-12; TNF-α: tumor necrosis factor alpha; TNF-β: tumor necrosis factor beta; MyD88: Myeloid differentiation factor 88; NF-κB: Nuclear factor kappa B; TIM-3: T-cell immunoglobulin and mucin-containing protein-3; FCA: Freund's Adjuvant Complete. The Data represent the mean ± standard deviation using one-way analysis of variance (n = 6). aP < 0.01, dP < 0.05 vs the control group; bP < 0.01, cP < 0.05 vs the rheumatoid arthritis group.
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