Neuropathology of frontotemporal lobar degeneration-Tau (FTLD-Tau)

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

A clinically and pathologically heterogeneous type of frontotemporal lobar degeneration has abnormal tau pathology in neurons and glia (FTLD-tau). Familial FTLD-tau is usually due to mutations in the tau gene (MAPT). Even FTLD-tau determined by MAPT mutations has clinical and pathologic heterogeneity. Tauopathies are subclassified according to the predominant species of tau that accumulates, with respect to alternative splicing of MAPT, with tau proteins containing three (3R) or four repeats (4R) of ~32 amino acids in the microtubule binding domain. In Pick's disease (PiD), 3R tau predominates, whereas 4R tau is characteristic of corticobasal degeneration (CBD) and progressive supranuclear palsy (PSP). Depending upon the specific mutation in MAPT, familial FTLD-tau can have 3R, 4R or a combination of 3R and 4R tau. PiD is the least common FTLD-tau characterized by neuronal Pick bodies in a stereotypic neuroanatomical distribution. PSP and CBD are more common than PiD and have extensive clinical and pathologic overlap, with no distinctive clinical syndrome or biomarker that permits their differentiation. Diagnosis rests upon postmortem examination of the brain and demonstration of globose tangles, oligodendroglial coiled bodies and tufted astrocytes in PSP or threads, pretangles and astrocytic plaques in CBD. The anatomical distribution of tau pathology determines the clinical presentation of PSP and CBD, as well as PiD. The basis for this selective cortical vulnerability in FTLD-tau is unknown.

Original languageEnglish (US)
Pages (from-to)384-389
Number of pages6
JournalJournal of Molecular Neuroscience
Volume45
Issue number3
DOIs
StatePublished - Nov 2011

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Frontotemporal Lobar Degeneration
Pick Disease of the Brain
Progressive Supranuclear Palsy
Mutation
Coiled Bodies
Tauopathies
tau Proteins
Clinical Pathology
Alternative Splicing
Neuropathology
Microtubules
Neuroglia
Astrocytes
Autopsy
Biomarkers
Pathology
Neurons
Amino Acids
Brain

Keywords

  • Corticobasal degeneration
  • Corticobasal syndrome
  • Frontotemporal lobar degeneration-tau
  • Pick's disease
  • Progressive supranuclear palsy
  • Richardson syndrome

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Neuropathology of frontotemporal lobar degeneration-Tau (FTLD-Tau). / Dickson, Dennis W; Kouri, Naomi; Murray, Melissa E; Josephs, Keith Anthony.

In: Journal of Molecular Neuroscience, Vol. 45, No. 3, 11.2011, p. 384-389.

Research output: Contribution to journalArticle

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