Case Report: Adverse reaction to butorphanol in a Collie homozygous for the ABCB1-1∆ (MDR1) mutation

Certain dog breeds, particularly herding breeds like Collies, are predisposed to drug sensitivity due to the ABCB1-1∆ (previously known as MDR1) mutation, which disrupts P-glycoprotein (P-gp) function. This mutation impairs drug efflux at the blood–brain barrier, leading to increased susceptibility...

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Bibliographic Details
Main Authors: Tyler S. Nelson, Heather N. Allen, April Hardison, Erin Miscioscia, Rajesh Khanna, Elizabeth A. Maxwell
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-05-01
Series:Frontiers in Veterinary Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fvets.2025.1603375/full
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