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Blood-brain barrier...
Blood-brain barrier penetration of the enantiomers of venlafaxine and its metabolites in mice lacking P-glycoprotein
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- Karlsson, Louise (författare)
- Linköpings universitet,Klinisk farmakologi,Hälsouniversitetet
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- Schmitt, Ulrich (författare)
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University of Mainz, Mainz, Germany
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- Josefsson, Martin (författare)
- Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan,Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden
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- Carlsson, Björn (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Klinisk farmakologi,Hälsouniversitetet
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- Ahlner, Johan (författare)
- Linköpings universitet,Klinisk farmakologi,Hälsouniversitetet,Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden
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- Bengtsson, Finn (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Klinisk farmakologi,Hälsouniversitetet
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- Kugelberg, Fredrik C (författare)
- Linköpings universitet,Klinisk farmakologi,Hälsouniversitetet,Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden
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- Hiemke, Christoph (författare)
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University of Mainz, Mainz, Germany
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: European Neuropsychopharmacology. - : Elsevier BV. - 0924-977X .- 1873-7862. ; 20:9, s. 632-640
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- According to in vitro studies the enantiomers of venlafaxine display different degrees of serotonin and noradrenaline reuptake inhibition. Therefore, clarification of the enantiomeric drug distribution between serum and brain is highly warranted. To elucidate if P-glycoprotein (P-gp) in a stereoselective manner transports venlafaxine and its metabolites out of the brain we used abcb1ab double-knockout mice that do not express P-gp. A single dose of racemic venlafaxine (10 mg/kg bw) was intraperitoneally injected to knockout (-/-) and wildtype (+/+) mice. Serum and brain samples were collected 1, 3, 6 and 9 h following drug administration for analysis by LC/MS/MS. One to six hours post-dose, the brain concentrations of venlafaxine, O-desmethylvenlafaxine and N-desmethylvenlafaxine were 2-3, 2-6 and 3-12 times higher in abcb1ab (-/-) mice compared to abcb1ab (+/+) mice, respectively. No major differences in the serum and brain disposition of the S- and R-enantiomers of venlafaxine and its metabolites were found between the groups. We conclude that P-gp decreases the penetration of the S- and R-enantiomers of venlafaxine and its major metabolites into the brain. No evidence of a stereoselective P-gp mediated transport of these substances was observed.
Nyckelord
- MEDICINE
- MEDICIN
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