St. John’s Wort Extract Increases Pgp Expression in the Brain but Not in the Small Intestine or the Liver of Wistar Rats

ABSTRACT St John's Wort (SJW), commonly used to treat mild depression, is known to pose a risk of drug–herb interactions through hyperforin‐mediated activation of the pregnane X receptor (PXR). This induces transcription and expression of PXR target genes, including the efflux transporter P‐gly...

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Bibliographic Details
Main Authors: Valerio Taggi, Anima M. Schäfer, Isabell Seibert, Henriette E. Meyer zu Schwabedissen
Format: Article
Language:English
Published: Wiley 2025-06-01
Series:Pharmacology Research & Perspectives
Online Access:https://doi.org/10.1002/prp2.70111
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