Article

The journal of nutrition, health & aging

, Volume 14, Issue 1, pp 37-44

First online:

Neurodegenerative dementia and Parkinsonism

  • Audrey GabelleAffiliated withService de Neurologie, CHRU MontpellierUnité CNRS UPR1142, Institut de Génétique HumaineFaculté de Médecine, Université Montpellier IService de Neurologie, CHRU Montpellier, Hôpital Gui de Chauliac Email author 
  • , F. PortetAffiliated withService de Neurologie, CHRU MontpellierFaculté de Médecine, Université Montpellier IUnité INSERM U888, Hôpital La Colombière
  • , C. BerrAffiliated withUnité INSERM U888, Hôpital La Colombière
  • , J. TouchonAffiliated withService de Neurologie, CHRU MontpellierFaculté de Médecine, Université Montpellier IUnité INSERM U888, Hôpital La Colombière

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Abstract

Background

Dementia and Parkinsonism are two major neurodegenerative disorders. Accurate diagnosis can be difficult when patients have both syndromes because of a wide range of etiologies.

Objectives

To improve clinical diagnosis, we propose a disease classification based on the pathological proteins which are involved in the neuropathological disease process.

Design

Four neuropathological classes are proposed based on four major proteins, tau, Aβ, α-synuclein and TDP43: 1/ Tauopathy and amyloidopathy with possible Parkinsonism, 2/ Tauopathy with predominant Parkinsonism, 3/ Synucleinopathies with cognitive impairment/dementia and 4/ The TAR DNA binding protein 43 (TDP-43). This classification raises certain questions in clinical practice due to intriguing overlaps between clinical presentations despite the same pathological protein being involved.

Conclusion

The development of molecular and pathological protein research in neurodegenerative disorders can help classify the clinical association of dementia and Parkinsonism and improve therapeutic strategies against proteins involved in the degenerative process.

Key words

Parkinsonism Alzheimer disease frontotemporal lobar degeneration lewy body dementia