Effect of pravastatin on plasma sterols and oxysterols in men View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2006-01

AUTHORS

Karin M. Thelen, Dieter Lütjohann, Risto Vesalainen, Tuula Janatuinen, Juhani Knuuti, Klaus von Bergmann, Terho Lehtimäki, Reijo Laaksonen

ABSTRACT

OBJECTIVES: The HMG-CoA reductase inhibitors, or statins, are well established in the prevention and treatment of coronary artery disease, mainly by lowering low-density lipoprotein (LDL) cholesterol levels. These compounds are structurally similar, but differ in their lipophilicity. Several studies have indicated a link between cholesterol and Alzheimer's disease (AD), and there is also epidemiological evidence that statin treatment may decrease the prevalence of dementias. In the present study we wanted to investigate whether pravastatin treatment affects brain cholesterol metabolism. METHODS: A post hoc analysis was performed with plasma material from a clinical trial where 51 healthy men (35+/-4 years) were randomly assigned to receive either pravastatin (40 mg/day) or placebo for 6 months. Cholesterol, its precursor lathosterol, its brain-specific metabolite 24(S)-hydroxycholesterol (24S-OH-chol) and 27-hydroxycholesterol (27-OH-chol) were determined in plasma samples before and after treatment by using gas-liquid chromatography (GC)-flame ionization detection (GC-FID) and GC mass spectrometry (GC-MS). RESULTS: Besides reducing total cholesterol (-20%, P<0.001) and LDL cholesterol (LDL-C; -33%, P<0.001) concentrations, pravastatin treatment resulted in a decrease of the ratio of lathosterol to cholesterol, a surrogate marker of endogenous cholesterol synthesis, by 20% (P<0.05). Absolute concentrations of 24S-OH-chol were not altered, but its ratio to cholesterol slightly increased by 15% (P<0.05). 27-OH-chol concentrations as well as its ratio to cholesterol were both significantly altered due to pravastatin treatment (-7% and +14%, P<0.05 for both, respectively). CONCLUSIONS: The treatment with pravastatin 40 mg once a day for 6 months does not affect brain cholesterol metabolism as judged by plasma concentrations of 24(S)-hydroxycholesterol. More... »

PAGES

9-14

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00228-005-0068-9

DOI

http://dx.doi.org/10.1007/s00228-005-0068-9

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1019671124

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/16385401


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Download the RDF metadata as:  json-ld nt turtle xml License info

HOW TO GET THIS DATA PROGRAMMATICALLY:

JSON-LD is a popular format for linked data which is fully compatible with JSON.

curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1007/s00228-005-0068-9'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/s00228-005-0068-9'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/s00228-005-0068-9'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/s00228-005-0068-9'


 

This table displays all metadata directly associated to this object as RDF triples.

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