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  11. Ergolide Regulates Microglial Activation And Inflammatory-mediated Dysfunction: A Role For The Cysteinyl Leukotriene Pathway

Ergolide Regulates Microglial Activation and Inflammatory-Mediated Dysfunction: A Role for the Cysteinyl Leukotriene Pathway

Danielle M Galvin1,2, Sara Fernandez-Garcia1,2, Emma Dawson1

  • 1UCD School of Biomolecular & Biomedical Science, University College Dublin, D04 V1W8 Dublin, Ireland.

International Journal of Molecular Sciences
|June 13, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Ergolide, a plant compound, shows neuroprotective effects by reducing brain inflammation in zebrafish models. While not effective against oxidative stress, it improves survival and behavior, suggesting potential for neuroinflammatory diseases.

Area of Science:

  • Neuroscience
  • Immunology
  • Pharmacology

Background:

  • Neurodegenerative diseases like Alzheimer's and Parkinson's involve neuronal loss and complex pathogenesis.
  • Current treatments for these conditions are limited, necessitating novel therapeutic strategies.
  • Ergolide, a sesquiterpene lactone, exhibits immunoregulatory properties and potential anti-cancer effects.

Purpose of the Study:

  • To investigate the neuroprotective potential of ergolide.
  • To explore ergolide's mechanisms of action in vitro and in vivo.
  • To assess ergolide's efficacy in zebrafish models of neuroinflammation and neurotoxicity.

Main Methods:

  • In vitro studies on microglia activation and neuronal cell death.
  • In vivo experiments using zebrafish models of inflammation and neurotoxicity.
Keywords:
NFκBTLRcytokinesmicroglia

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  • Analysis of inflammatory cytokine, nitric oxide (NO), oxidative stress, and behavioral responses.

    • Main Results:

    • Ergolide attenuated inflammatory cytokine and NO production in activated microglia.
    • Ergolide did not protect against oxidative stress-induced neuronal death but showed pro-oxidant effects on neuroblastoma cells.
    • Ergolide improved survival and sensorimotor behavior in a zebrafish model of inflammation.

    Conclusions:

    • Ergolide demonstrates neuroprotective effects, primarily through immunomodulation.
    • The NFκB and cysteinyl leukotriene (CysLT) pathways are implicated in ergolide's mechanism.
    • Further research into the CysLT pathway is warranted for neuroinflammatory diseases.
    nitric oxide
    zebrafish larvae