Cerebrospinal fluid biomarkers for pathological processes in Alzheimer's disease.

Abstract:

PURPOSE OF REVIEW:To review the rationale behind and the use of cerebrospinal fluid (CSF) biomarkers in Alzheimer's disease (AD). Established as well as new candidate biomarkers will be covered. RECENT FINDINGS:AD is a complex disorder and the AD brain is characterized by multiple pathological processes, in addition to well-described plaque and tangle diseases. Recent studies have tried to address this by evaluating biomarkers related to features such as neuroinflammation, oxidative stress, microglial activation and synaptic degeneration, with some positive results. SUMMARY:The CSF biomarkers total tau, phosphorylated-tau and the 42 amino acid isoform of amyloid beta reflect core elements of AD, that is, axonal degeneration, tangle disease and senile plaques, have been thoroughly tested and provide high diagnostic accuracy in the discrimination of patients with AD as compared with cognitively normal controls. They are also highly predictive of AD with dementia in patients with mild cognitive impairment, and have been included in new diagnostic criteria. New biomarkers may add to their diagnostic performance. Other potential fields of use include the monitoring of disease progression or pharmacodynamic drug effects. A common denominator for the candidate biomarkers is the need for validation in further studies to clarify their potential.

journal_name

Curr Opin Psychiatry

authors

Rosén C,Zetterberg H

doi

10.1097/YCO.0b013e32835f6747

subject

Has Abstract

pub_date

2013-05-01 00:00:00

pages

276-82

issue

3

eissn

0951-7367

issn

1473-6578

journal_volume

26

pub_type

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