ArticleNeurochemical research2022
The protective effect of Palmatine on depressive like behavior by modulating microglia polarization in LPS-induced mice.
Article in Neurochemical research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- From traditional remedy to modern therapy: a comprehensive review of palmatine's multi-target mechanisms and ethnopharmacological potential.Frontiers in pharmacology · 2025Review
- The central role of microglia in major depressive disorder and its potential as a therapeutic target.Frontiers in behavioral neuroscience · 2025Review
- Lipopolysaccharide-Induced Delirium-Like Behavior and Microglial Activation in Mice Correlate With Bispectral Electroencephalography.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024Article
- Structural Characterization and Antidepressant-like Effects ofInternational journal of molecular sciences · 2024Article
- MCPIP1 alleviates depressive‑like behaviors in mice by inhibiting the TLR4/TRAF6/NF‑κB pathway to suppress neuroinflammation.Molecular medicine reports · 2024Article
- Screening and evaluation of metabolites binding PRAS40 from Erxian decoction used to treat spinal cord injury.Frontiers in pharmacology · 2024Article
- Palmatine Protects PC12 Cells and Mice from Aβ25-35-Induced Oxidative Stress and Neuroinflammation via the Nrf2/HO-1 Pathway.Molecules (Basel, Switzerland) · 2023Article
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
Abstract
The purpose of the present study was to evaluate the protective effect of Palmatine on LPS-induced depressive like behavior and explore its potential mechanism. The mice were intragastrically treated with Fluoxetine or Palmatine once daily for 1 week. After the last drug administration, the mice were intraperitoneally challenged with LPS and suffered for Sucrose preference test, Tail suspension test, Forced swimming test and Open field test. The pro-inflammatory biomarkers were measured by ELISA, qPCR, WB and immunofluorescence. As a result, the administration of Palmatine effectively lessened depressive-like behavior. Palmatine could decrease the levels of pro-inflammatory cytokines TNF-α, IL-6, the expressions of CD68, iNOS mRNA, as well as increase the levels of anti-inflammatory cytokines IL-4, IL-10, the expressions of CD206, Arg1 mRNA, Ym1 mRNA both in LPS-induced mice and in LPS-induced BV2 cells. The beneficial effect of Palmatine might be attributed to the suppression of M1 microglia polarization and the promotion of M2 microglia polarization via PDE4B/KLF4 signaling. The similar results were observed in CUMS-induced depressive mice. The transfection with PDE4B SiRNA or KLF4 SiRNA indicated that PDE4B and KLF4 were both involved in the Palmatine-mediated microglia polarization. Molecular docking indicated that Palmatine could interact with PDE4B. In conclusion, this research demonstrated that Palmatine attenuated depressive like behavior by modulating microglia polarization via PDE4B/KLF4 signaling.
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