ArticleDrug design, development and therapy2025
Vincristine Regulates C/EBP-β/TGF-β1 to Promote A1 Astrocyte Polarization and Induce Neuropathic Pain.
Article in Drug design, development and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Sinomenine Liposomes Alleviate Neuropathic Pain in a Spared Nerve Injury Model by Regulating Astrocyte Reactivity Associated with Inhibition of the JAK2/STAT3 Pathway.Neurochemical research · 2026Article
- Focusing on inflammation-driven pyroptosis in postherpetic neuralgia: from molecular mechanisms to therapeutic strategies.Frontiers in immunology · 2026Review
- Protective effect of hesperetin against myelosuppression and splenic inflammation via modulating TLR4/MYD88/NF-κB signaling: molecular docking and experimental validation.Frontiers in pharmacology · 2026Article
- Review
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8 authors.
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Abstract
Background: The neuropathic pain side induced by Vincristine severely limit its clinical application. However, the mechanism of neuropathic pain is not clear. This study aims to clarify the mechanism of C/EBP-β regulating TGF-β1 mediated spinal astrocyte A1/A2 polarization in the neuropathic pain caused by vincristine. Methods: Neuropathic pain model was established in rats by intraperitoneal injection of Vincristine (VCR). In vitro experiment, the astrocyte model was constructed by Vincristine, and si-C/EBP-β was regulated before VCR administration. Pain threshold of rats was measured by thermal withdrawal latency (TWL) and mechanical withdrawal threshold (MWT), Elisa was used to detect the expression level of inflammatory factors, qRT PCR and Western blotting were used to detect astrocyte polarization markers, C/EBP-β, TGF-β1, p-smad2 and p-smad3. Results: Following Vincristine administration, the TWL and MWT of rats exhibited a decrease. Additionally, there was an increase in A1 polarization of astrocytes, while A2 polarization remained relatively unchanged. Furthermore, the expression levels of pro-inflammatory factors were elevated, whereas no significant alterations were observed in anti-inflammatory factors. Notably, Vincristine promoted the expression of C/EBP-β and TGF-β1. TGF-β1 inhibitor alleviated VCR induced astrocyte A1 polarization and release of proinflammatory factors, ameliorated abnormal pain. Moreover, silencing C/EBP-β reversed the enhanced expression of TGF-β1 induced by Vincristine, attenuated astrocyte A1 polarization and proinflammatory factor release. Conclusion: Vincristine induced spinal cord inflammation by promoting A1 polarization of astrocytes via upregulating the C/EBP-β/TGF-β1 signal pathway, thus leading to neuropathic pain. It was different from the traditional signal pathway, this study shown a new signal pathway for astrocyte A1 polarization, which may provide a possibility for clinical treatment of neuropathic pain.
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