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他莫昔芬-tamoxifen
记事
Microsomes from individuals homozygous for the C allele had significantly lower 4-OH-tamoxifen-O-glucuronidation, as compared to those with the CG or GG genotype. A borderline significant result (p=0.053) was seen when considering 4-OH-toremifene-O-glucuronidation. No significant result was seen when considering Tamoxifen-N-glucuronidation (p = 0.79), 4-OH-tamoxifen-N-glucuronidation (p = 0.67), Toremifene-N-glucuronidation (p = 0.47), or 4-OH-toremifene-N-glucuronidation (p = 0.49). UGT enzymes like UGT1A4 are responsible for the glucuronidation of compounds such as tamoxifen, leading to metabolites like the ones mentioned above.
专家论述
Genotype CC is associated with decreased activity of UGT1A4 when exposed to tamoxifen in human liver microsomes as compared to genotypes CG + GG.