Related Experiment Video

Updated: Jan 26, 2026

Labeling and Imaging of Amyloid Plaques in Brain Tissue Using the Natural Polyphenol Curcumin
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Published on: November 1, 2019

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Effects of Curcumin on Microglial Cells

Faezeh Ghasemi1, Hossein Bagheri2, George E Barreto3,4

  • 1Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran.

Neurotoxicity Research
|April 6, 2019
PubMed

Insights

Curcumin, a compound from turmeric, can inhibit microglia activation, reducing inflammation and protecting against neurodegenerative diseases like Alzheimer's and Parkinson's. This review explores curcumin's mechanisms in modulating microglia for neurological health.

Area of Science:

  • Neuroscience
  • Immunology
  • Pharmacology

Background:

  • Microglia are CNS immune cells regulating homeostasis but can cause neuroinflammation when activated.
  • Excessive neuroinflammation contributes to neurodegenerative diseases (NDs) like Alzheimer's (AD) and Parkinson's (PD).
  • Curcumin, a phytochemical from Curcuma longa, possesses anti-inflammatory and neuroprotective properties.

Purpose of the Study:

  • To review the effects of curcumin on microglia.
  • To explore the underlying mechanisms of curcumin's action on microglia.
  • To highlight curcumin's potential in mitigating neuroinflammation and NDs.

Main Methods:

  • Literature review of studies on curcumin and microglia.
  • Analysis of curcumin's molecular targets and pathways.
  • Synthesis of evidence on curcumin's anti-inflammatory effects in the CNS.

Main Results:

  • Curcumin inhibits microglia activation and the release of pro-inflammatory mediators (cytokines, NO, COX-2).
  • Curcumin exhibits antioxidant, anti-amyloidogenic, and anti-mutagenic properties relevant to NDs.
  • Curcumin demonstrates pleiotropic effects, modulating multiple pathways involved in neuroinflammation.

Conclusions:

  • Curcumin effectively modulates microglia activity, offering a therapeutic strategy for neuroinflammation.
  • Its anti-inflammatory and neuroprotective actions make it a promising agent for preventing or treating NDs.
  • Further research into curcumin's mechanisms can optimize its use in neurological disorders.
Keywords:
CurcuminMicroglia, neuroinflammationNeurodegenerative diseasesNeuroprotection

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