Journal of Neural Transmission

, Volume 114, Issue 5, pp 621–628 | Cite as

Reduced CSF carboxyterminally truncated Aβ peptides in frontotemporal lobe degenerations

  • M. Bibl
  • B. Mollenhauer
  • S. Wolf
  • H. Esselmann
  • P. Lewczuk
  • J. Kornhuber
  • J. Wiltfang


Cerebrospinal fluid (CSF) carboxyterminally truncated amyloid-beta (Aβ) peptides, Aβ1-42 and tau protein were evaluated in 30 patients with frontotemporal lobe degenerations (FTLD), 30 Alzheimer’s disease (AD) patients and 30 non-demented disease controls (NDC) by Aβ-SDS-PAGE/immunoblot as well as commercial ELISAs for Aβ1-42 and total tau. FTLD displayed a significant drop of Aβ1-37 (p = 2.7 × 10−4), Aβ1-38 (p = 4.2 × 10−5) and Aβ1-42 (p = 3.3 × 10−4). Aβ1-42 was selectively decreased in AD (p = 8.5 × 10−10). Decreased Aβ1-38 enabled contrasts of beyond 85% to distinguish FTLD from AD and NDC patients, alone or in combination. Accordingly, low CSF Aβ1-37 and Aβ1-38 represent a biomarker candidate for FTLD and may reflect disease-specific changes of APP metabolism. Further validation should be carried out on dementias other than AD, diagnostically relevant control groups without dementia and without any evident affection of the central nervous system and subgroups of FTLD. Moreover, independent methods of measurement should be applied to CSF Aβ1-38.

Keywords: Alzheimer’s disease, frontotemporal degeneration, cerebrospinal fluid, amyloid-β peptides, biomarkers 


Aβ peptides

Amyloid-beta peptides


amyloid-beta-sodium-dodecyl-sulphate-polyacrylamide-gel-electrophoresis with western immunoblot


Alzheimer’s disease


beta-amyloid precursor protein




percentage of N,N′-bis-acrylamide


charge coupled device camera


cerebrospinal fluid


carboxyterminally elongated


carboxyterminally truncated


enhanced chemiluminescence


Enzyme Linked Immunosorbent Assay


frontotemporal lobe degenerations


Mini-Mental-Status Examination


non-demented disease controls


National Institute Neurological and Communicative Disorders and Stroke-Alzheimer’s Disease and Related Disorders Association


sodium dodecyl sulphate


percentage of acrylamide


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • M. Bibl
    • 1
  • B. Mollenhauer
    • 2
  • S. Wolf
    • 2
  • H. Esselmann
    • 3
  • P. Lewczuk
    • 3
  • J. Kornhuber
    • 3
  • J. Wiltfang
    • 3
  1. 1.Department of PsychiatryUniversity of GoettingenGoettingenGermany
  2. 2.Brigham and Women’s Hospital, Center for Neurologic DiseasesHarvard Medical SchoolBostonUSA
  3. 3.Department of Psychiatry and PsychotherapyUniversity of Erlangen-NurembergErlangenGermany

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