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Related Experiment Videos

Pick's complex and FTDP-17.

Andrew Kertesz1

  • 1Department of Clinical Neurological Sciences, St. Joseph's Hospital, University of Western Ontario, London, Ontario, Canada. andrew.kertesz@sjhc.london.on.ca

Movement Disorders : Official Journal of the Movement Disorder Society
|September 23, 2003
PubMed
Summary

Pick's complex, encompassing frontotemporal dementia and other neurodegenerative diseases, is proposed as a cohesive spectrum. Evidence supports unifying these conditions under the historical term Pick's complex for better understanding and research.

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Area of Science:

  • Neuroscience
  • Neuropathology
  • Genetics

Background:

  • Pick's disease, frontotemporal dementia, primary progressive aphasia, corticobasal degeneration, and progressive supranuclear palsy are distinct neurological disorders.
  • Recent genetic discoveries and observed overlaps suggest a potential unifying framework for these conditions.

Purpose of the Study:

  • To review evidence supporting the classification of Pick's disease and related disorders as a cohesive clinical and biological spectrum.
  • To advocate for the adoption of the historical term "Pick's complex" for this spectrum.

Main Methods:

  • Literature review and synthesis of existing evidence.
  • Analysis of genetic findings, particularly tau mutations and chromosome 17-linked parkinsonism.
  • Examination of pathological overlaps, including tauopathies and tau-negative inclusions.

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Main Results:

  • Genetic discoveries, such as tau mutations in frontotemporal dementia, support the concept of Pick's complex.
  • Overlaps exist between three-repeat and four-repeat tauopathies, and tau-negative conditions may also involve tau pathology.
  • The proposed spectrum integrates clinical, pathological, and genetic data.

Conclusions:

  • Pick's disease, frontotemporal dementia, and related disorders represent a cohesive spectrum, best termed "Pick's complex."
  • This integrated view, supported by genetic and pathological evidence, enhances understanding of these neurodegenerative diseases.
  • Further integration of clinical, pathological, and biochemical data will be productive for this group of diseases.