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Related Experiment Videos

[Neuronal plasticity and neuropathic pain].

B Amantea1, A Gemelli, D Militano

  • 1Cattedra e Scuola di Specializzazione in Anestesia e Rianimazione, Facoltà di Medicina e Chirurgia, Università degli Studi Magna Graecia, Catanzaro.

Minerva Anestesiologica
|March 10, 2001
PubMed
Summary

Neuropathic pain involves central nervous system changes like receptor hypersensitivity and neuron degeneration. These neuroplastic alterations explain pain mechanisms such as mechano-allodynia and hyperalgesia.

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Area of Science:

  • Neuroscience
  • Pain Research
  • Neurophysiology

Context:

  • Neuropathic pain arises from complex central nervous system (CNS) alterations.
  • Understanding neuroplasticity is crucial for deciphering pain mechanisms.

Purpose:

  • To analyze the physiopathology of neuropathic pain, focusing on CNS plastic phenomena.
  • To explore the roles of excitatory amino acids, neurotransmitters, and sympathetic system involvement.

Summary:

  • Neuropathic pain involves anatomical and neurochemical changes in the CNS.
  • Excitatory amino acids cause N-methyl-D-aspartate (NMDA) receptor hypersensitivity, leading to inhibitory interneuron degeneration.
  • Neuroplastic phenomena, including sprouting, alter pain processing, resulting in mechano-allodynia and differing from thermal hyperalgesia.

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Impact:

  • Provides insights into the distinct physiopathology of spontaneous pain, allodynia, and hyperalgesia.
  • Advances understanding of neuropathic pain mechanisms for improved pharmacological and clinical research.
  • Offers a foundation for developing novel therapeutic strategies for neuropathic pain syndromes.