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PPAR-gamma: therapeutic target for ischemic stroke

Juraj Culman1, Yi Zhao, Peter Gohlke

  • 1Institute of Pharmacology, University Hospital of Schleswig-Holstein, Campus Kiel, Hospitalstrasse 4, 24105 Kiel, Germany.

Trends in Pharmacological Sciences
|April 10, 2007
PubMed

Insights

Peroxisome proliferator activated receptors (PPARs), specifically PPAR-gamma, offer neuroprotection against brain injury. Activating PPAR-gamma may be a promising therapeutic strategy for stroke and other neurological conditions.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Pharmacology

Background:

  • Peroxisome proliferator activated receptors (PPARs) are nuclear receptors regulating metabolism.
  • The PPAR-gamma isoform influences glucose uptake, atherosclerosis, and immune responses.
  • PPAR-gamma activation is known to reduce neuroinflammation and neurodegeneration.

Purpose of the Study:

  • To review the neuroprotective effects of intracerebral PPAR-gamma against ischemic injury.
  • To highlight the clinical relevance of PPAR-gamma activators in neurological conditions.

Main Methods:

  • Review of existing literature on PPAR-gamma function in the brain.
  • Analysis of studies investigating PPAR-gamma expression in neurons and microglia.
  • Examination of clinical data on PPAR-gamma ligands and stroke incidence.

Main Results:

  • Intracerebral PPAR-gamma, expressed in neurons and microglia, mediates neuroprotection.
  • PPAR-gamma activation attenuates neuroinflammatory and neurodegenerative processes.
  • The PPAR-gamma ligand pioglitazone is associated with reduced stroke incidence in type 2 diabetes patients.

Conclusions:

  • PPAR-gamma plays a crucial role in protecting the brain from ischemic damage.
  • Activators of PPAR-gamma represent a potential therapeutic avenue for treating ischemic brain injury.
  • Targeting PPAR-gamma may offer a novel strategy for stroke prevention and treatment.

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