ArticleHeliyon2024
Zhiqiao Gancao decoction regulated JAK2/STAT3/ macrophage M1 polarization to ameliorate intervertebral disc degeneration.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Gut-Intervertebral Disc Axis: Gut Microbiome-Driven Immune-Metabolic Imbalance and Intervertebral Disc Degeneration.Journal of cellular physiology · 2026Review
- Discovery of lactylation-associated candidate hub genes and potential curcumin targets in intervertebral disc degeneration.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
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Authors and funding
9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Background: Zhiqiao Gancao decoction (ZQGCD) was created by Professor Gong Zhengfeng, a renowned Chinese medicine expert. Clinical studies have shown its efficacy in alleviating pain and enhancing lumbar function in intervertebral disc degeneration (IDD) patients. However, the precise mechanism of ZQGCD in treating IDD remains unclear. Methods: The active components of ZQGCD were identified using Liquid chromatography-tandem mass spectrometry (LC-MS/MS). A rat model of intervertebral disc degeneration was established, and rats in each group received ZQGCD for three weeks. Assessment parameters included hyperalgesia status, observation of intervertebral disc tissue degeneration and macrophage infiltration, and analysis of JAK2/STAT3 pathway protein expression in the intervertebral disc. Primary macrophage M1 polarization was induced using LPS, with cells treated using the JAK2 inhibitor (AZD1480) and ZQGCD to evaluate macrophage polarization, cellular supernatant inflammatory factors, and JAK2/STAT3 pathway expression. Macrophage supernatant served as a conditioned medium to observe its effects on the proliferation of nucleus pulposus cells (NPCs) and the expression of collagen II and MMP3 proteins. Results: A total of 81 active components were identified in ZQGCD. Following ZQGCD treatment, infiltrating macrophages in intervertebral disc tissues of model rats decreased, the content of M1 macrophages decreased, while the content of M2 macrophages increased, the expression of proinflammatory factors and pain-inducing factors in serum decreased, and the expression of substance P in intervertebral disc tissue decreased. Consequently, the intervertebral disc degeneration and hyperalgesia of rats were improved. In vitro studies revealed that LPS induced M1 macrophage polarization. By inhibiting the JAK2/STAT3 pathway, both JAK2 inhibitors and ZQGCD effectively suppressed M1 polarization, resulting in decreased levels of IL-1β, IL-6, TNF-α, and various other inflammatory factors. Consequently, this inhibition led to a delay in the degeneration of NPCs. Conclusion: There is macrophage infiltration in the intervertebral disc tissue of IDD rats, and JAK2/STAT3 pathway is activated, macrophages are polarized to M1 type, resulting in inflammatory microenvironment, leading to intervertebral disc degeneration and hyperalgesia. ZQGCD exhibited a delaying effect on IDD and improved hyperalgesia by inhibiting the JAK2/STAT3/macrophage M1 polarization pathway.
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