Title : Multiple microRNAs regulate tacrolimus metabolism through CYP3A5.

Pub. Date : 2021 Feb

PMID : 33348024






5 Functional Relationships(s)
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1 Multiple microRNAs regulate tacrolimus metabolism through CYP3A5. Tacrolimus cytochrome P450 family 3 subfamily A member 5 Homo sapiens
2 The CYP3A5 gene polymorphism accounts for the majority of inter-individual variability in tacrolimus pharmacokinetics. Tacrolimus cytochrome P450 family 3 subfamily A member 5 Homo sapiens
3 We found that the basal expression of CYP3A5 in donor grafts also played a significant role in tacrolimus metabolism under the same genetic conditions after pediatric liver transplantation. Tacrolimus cytochrome P450 family 3 subfamily A member 5 Homo sapiens
4 We found that these miRNAs inhibited tacrolimus metabolism that was dependent on CYP3A5. Tacrolimus cytochrome P450 family 3 subfamily A member 5 Homo sapiens
5 Luciferase reporter assays and functional studies showed that miR-26b-5p inhibited tacrolimus metabolism by directly regulating CYP3A5, while miR-29a-5p, miR-99a-5p, and miR-532-5p targeted HNF4alpha, NR1I3, and NR1I2, respectively, in turn regulating the downstream expression of CYP3A5; the corresponding target gene siRNAs markedly abolished the effects caused by miRNA inhibitors. Tacrolimus cytochrome P450 family 3 subfamily A member 5 Homo sapiens