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The neuroprotective effects of Dexmedetomidine: key mechanisms focusing on neuronal programmed cell death

Jinxin Pan1, Hui Yang2

  • 1Department of Anesthesiology and Operating Room, Tongjiang County People's Hospital, Bazhong, Sichuan, China.

Frontiers in Neurology
|May 18, 2026
PubMed

Insights

Dexmedetomidine (DEX) offers neuroprotection by regulating programmed cell death (PCD) pathways, including apoptosis and necroptosis. This highlights DEX as a potential therapeutic for neurodegenerative diseases and CNS injury.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Cell Biology

Background:

  • Programmed cell death (PCD) is crucial for central nervous system (CNS) homeostasis but its dysregulation causes neurodegenerative diseases (NDDs).
  • Dexmedetomidine (DEX), an alpha-2 adrenoceptor agonist, exhibits known neuroprotective properties.
  • Understanding DEX's impact on diverse neuronal PCD mechanisms is vital for CNS disease treatment.

Purpose of the Study:

  • To comprehensively review the neuroprotective effects of Dexmedetomidine (DEX).
  • To elucidate DEX's regulatory mechanisms in various neuronal programmed cell death (PCD) pathways.
  • To explore the therapeutic potential of targeting PCD for CNS diseases using DEX.

Main Methods:

  • Literature review of studies on Dexmedetomidine (DEX) and programmed cell death (PCD).
  • Analysis of molecular mechanisms underlying DEX's neuroprotection.
  • Focus on apoptosis, necroptosis, pyroptosis, ferroptosis, autophagy, and parthanatos.

Main Results:

  • Dexmedetomidine (DEX) demonstrates significant neuroprotective effects across various CNS conditions.
  • DEX modulates multiple programmed cell death (PCD) pathways, including apoptosis and necroptosis.
  • Evidence suggests DEX mitigates neuronal damage by influencing key signaling cascades in PCD.

Conclusions:

  • Dexmedetomidine (DEX) possesses broad neuroprotective capabilities by modulating neuronal programmed cell death (PCD).
  • Targeting PCD pathways offers a promising therapeutic strategy for CNS diseases, with DEX as a potential agent.
  • Further research into DEX's mechanisms in PCD is warranted for clinical applications in neuroprotection.
Keywords:
Dexmedetomidineneurodegenerative diseasesneuronneuroprotectionprogrammed cell death

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