The C3435T mutation in the human MDR1 gene is associated with altered efflux of the P-glycoprotein substrate rhodamine 123 from CD56+ natural killer cells.

作者: Monika Hitzl , Siegfried Drescher , Heiko van der Kuip , Elke Schäffeler , Joachim Fischer

DOI: 10.1097/00008571-200106000-00003

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摘要: P-glycoprotein (PGP) is a membrane protein which determines drug disposition in humans (eg digoxin). It is also expressed in various leukocyte lineages with highest expression in CD56+ natural killer cells. Recently, a polymorphism in exon 26 (C3435T) of this gene was shown to correlate with intestinal PGP expression and function in humans. Carriers homozygous for this polymorphism (TT) showed more than two-fold lower PGP expression and higher digoxin plasma concentrations compared to the CC group. However, it is not …

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