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Diagnostic Power of 24S-Hydroxycholesterol in Cerebrospinal Fluid: Candidate Marker of Brain Health
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
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2013 (English)In: Journal of Alzheimer's Disease, ISSN 1387-2877, Vol. 36, no 4, 739-747 p.Article in journal (Refereed) Published
Abstract [en]

We evaluated the diagnostic potential of 24S-hydroxycholesterol (24OHC) in cerebrospinal fluid. At a memory clinic, we investigated subjects with subjective cognitive impairment (SCI, n = 33), mild cognitive impairment (MCI) patients (n = 27), MCI patients with later progression into Alzheimer dementia at follow up (n = 10), and patients with AD (n = 24). We also had a control group of healthy volunteers who did not later develop cognitive problems (n = 13). The fraction of the population with pathological levels of 24OHC was 8% in controls, 34% in SCI, 37% in MCI, 80% in MCI with progression, and 42% in AD. The corresponding fractions for T-tau, P-tau, and A beta(42) were lower in the case of SCI and MCI but higher in the case of controls and AD. In case of MCI with progression, the fraction of pathological levels of 24OHC and A beta(42) were 80% and 63% respectively. We also studied a population of old healthy subjects age 75-99 years (n = 25). The fraction of individuals in this population with pathological levels of 24OHC was 0% whereas the fraction of individuals with pathological level of at least one of the other three biomarkers was 40%. The diagnostic power of 24OHC in cerebrospinal fluid seems to be similar to or lower than that of the established biomarkers T-tau, P-tau, and A beta(42) in the diagnosis of established AD. Our data suggest that 24OHC may be more sensitive than the classical biomarkers in an early phase of the neurodegenerative process and a better marker for brain health in old age.

Place, publisher, year, edition, pages
2013. Vol. 36, no 4, 739-747 p.
Keyword [en]
Aging, ApoE, biomarker, cholesterol, cognitive decline, mass spectrometry, neurodegenerative diseases, oxysterols
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URN: urn:nbn:se:su:diva-93598DOI: 10.3233/JAD-130035ISI: 000322738000011OAI: diva2:647019


Funding Agencies:

Italian Minister of Health, Fondi per giovani Ricercatori GR-2008-1145270;

Swedish Brain Power and Science Council  

Available from: 2013-09-10 Created: 2013-09-10 Last updated: 2013-09-10Bibliographically approved

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ReferencesLink to record
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