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Related Experiment Videos

[Endogenous factors regulating neuronal apoptosis].

Akinori Akaike1, Hiroshi Katsuki, Toshiaki Kume

  • 1Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan. aakaike@pharm.kyoto-u.ac.jp

Nihon Shinkei Seishin Yakurigaku Zasshi = Japanese Journal of Psychopharmacology
|November 30, 2005
PubMed
Summary

Researchers discovered serofendic acid, a novel neuroprotective compound, that shields brain cells from glutamate and nitric oxide (NO) toxicity. This substance may offer a new therapeutic avenue for neurodegenerative diseases by reducing free radical damage.

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Pharmacology

Context:

  • Glutamate and nitric oxide (NO) induce neuronal apoptosis and necrosis, contributing to conditions like Alzheimer's and Parkinson's disease.
  • Neurotransmitters and growth factors can suppress NO-mediated glutamate neurotoxicity.
  • Identifying endogenous protective factors is crucial for developing treatments for neurodegenerative disorders.

Purpose:

  • To identify and characterize novel endogenous neuroprotective substances.
  • To investigate the mechanism of action of serofendic acid in protecting neurons.

Summary:

  • A novel neuroprotective substance, serofendic acid (15-hydroxy-17-methylsulfinylatisan-19-oic acid), was isolated from fetal calf serum.
  • Serofendic acid, a sulfur-containing atisane-type diterpenoid, protected cortical neurons against glutamate and NO-induced neurotoxicity.

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  • It inhibited hydroxyl radical generation without directly scavenging NO radicals, suggesting a mechanism involving free radical attenuation.

    • Impact:

    • Serofendic acid demonstrates potential as a therapeutic agent for central nervous system (CNS) neuron survival.
    • Findings suggest a novel strategy for mitigating neurotoxicity associated with free radical damage in neurological disorders.