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Human Neural Organoids for Studying Brain Cancer and Neurodegenerative Diseases
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Basic pathologic processes in the nervous system.

J W Griffin1

  • 1Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205.

Toxicologic Pathology
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

Pathological assessment methods differ between the central nervous system (CNS) and peripheral nervous system (PNS). However, common cellular degeneration processes like Wallerian degeneration are observed in both, with future techniques including immunocytochemistry.

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Area of Science:

  • Neuroscience
  • Pathology
  • Histology

Background:

  • Pathological assessment techniques vary between the central nervous system (CNS) and peripheral nervous system (PNS).
  • Cellular resolution in routine screening differs between CNS and PNS examinations.

Purpose of the Study:

  • To compare and contrast pathological assessment methods for the CNS and PNS.
  • To identify common pathological processes in both systems.
  • To anticipate future advancements in neurodegenerative disease screening.

Main Methods:

  • Plastic-embedded sections and teased nerve fibers for PNS screening.
  • Differential staining of paraffin sections for CNS screening.

Main Results:

  • PNS utilizes plastic-embedded sections and teased nerve fibers for effective screening.
  • CNS primarily relies on differential staining of paraffin sections for practical screening.
  • Common pathological processes identified in both CNS and PNS include Wallerian degeneration, distal axonal degeneration, and primary demyelination.

Conclusions:

  • Despite differing methodologies, fundamental pathological processes in CNS and PNS share similarities.
  • Future screening techniques are expected to incorporate immunocytochemical analyses and mRNA level measurements for enhanced diagnostic capabilities.