Early onset familial alzheimer disease with spastic paraparesis, dysarthria, and seizures and N135S mutation in PSEN1

Leslie Ann Rudzinski, Rita M. Fletcher, Dennis W. Dickson, Richard Crook, Michael L. Hutton, Jennifer Adamson, Neill R. Graff-Radford

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Early onset familial Alzheimer disease (EOFAD) can be caused by mutations in genes for amyloid precursor protein, presenilin 1 (PSEN1), or presenilin 2 (PSEN2). There is considerable phenotypic variability in EOFAD, including some patients with spastic paraparesis. The objective is to describe clinical and neuropathologic features of a family with a PSEN1 mutation that has been reported previously, without autopsy confirmation, in a single Greek family whose affected members presented with memory loss in their 30s, as well as variable limb spasticity and seizures. Methods: We prospectively evaluated 2 children (son and daughter) with EOFAD and reviewed medical records on their mother. Archival material from the autopsy of the mother was reviewed and postmortem studies were performed on the brain of the daughter. Results: All 3 individuals in this family had disease onset in their 30s, with cognitive deficits in multiple domains, including memory, language, and attention, as well as less common features such as spastic dysarthria, limb spasticity, and seizures. At autopsy both the mother and her daughter had pathologic findings of Alzheimer disease, and histologic evidence of corticospinal tract degeneration. Genetic studies revealed a mutation in PSEN1 leading to an asparagine to serine substitution at amino acid residue 135 (N135S) in presenilin 1. Conclusions: This is the first description of neuropathologic findings in EOFAD owing to N135S PSEN1 mutation. The clinical phenotype was remarkable for spastic dysarthria, limb spasticity, and seizures, in addition to more typical features of EOFAD.

Original languageEnglish (US)
Pages (from-to)299-307
Number of pages9
JournalAlzheimer Disease and Associated Disorders
Volume22
Issue number3
DOIs
StatePublished - Jul 1 2008

Fingerprint

Spastic Paraparesis
Presenilin-1
Dysarthria
Alzheimer Disease
Seizures
Mutation
Nuclear Family
Autopsy
Extremities
Mothers
Presenilin-2
Pyramidal Tracts
Amyloid beta-Protein Precursor
Asparagine
Memory Disorders
Amino Acid Substitution
Serine
Medical Records

Keywords

  • Alzheimer disease
  • Genetics
  • Neuropathology
  • Presenilin
  • Spasticity

ASJC Scopus subject areas

  • Clinical Psychology
  • Gerontology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

Cite this

Rudzinski, L. A., Fletcher, R. M., Dickson, D. W., Crook, R., Hutton, M. L., Adamson, J., & Graff-Radford, N. R. (2008). Early onset familial alzheimer disease with spastic paraparesis, dysarthria, and seizures and N135S mutation in PSEN1. Alzheimer Disease and Associated Disorders, 22(3), 299-307. https://doi.org/10.1097/WAD.0b013e3181732399

Early onset familial alzheimer disease with spastic paraparesis, dysarthria, and seizures and N135S mutation in PSEN1. / Rudzinski, Leslie Ann; Fletcher, Rita M.; Dickson, Dennis W.; Crook, Richard; Hutton, Michael L.; Adamson, Jennifer; Graff-Radford, Neill R.

In: Alzheimer Disease and Associated Disorders, Vol. 22, No. 3, 01.07.2008, p. 299-307.

Research output: Contribution to journalArticle

Rudzinski, LA, Fletcher, RM, Dickson, DW, Crook, R, Hutton, ML, Adamson, J & Graff-Radford, NR 2008, 'Early onset familial alzheimer disease with spastic paraparesis, dysarthria, and seizures and N135S mutation in PSEN1', Alzheimer Disease and Associated Disorders, vol. 22, no. 3, pp. 299-307. https://doi.org/10.1097/WAD.0b013e3181732399
Rudzinski, Leslie Ann ; Fletcher, Rita M. ; Dickson, Dennis W. ; Crook, Richard ; Hutton, Michael L. ; Adamson, Jennifer ; Graff-Radford, Neill R. / Early onset familial alzheimer disease with spastic paraparesis, dysarthria, and seizures and N135S mutation in PSEN1. In: Alzheimer Disease and Associated Disorders. 2008 ; Vol. 22, No. 3. pp. 299-307.
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