Ontogeny of Hepatic Drug Transporters as Quantified by LC-MS/MS Proteomics.

Ontogeny of Hepatic Drug Transporters as Quantified by LC-MS/MS Proteomics.
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通过LC-MS/MS蛋白质组学量化了肝药物转运蛋白的个体发育。

DOI:
10.1002/cpt.409
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发表时间:
2016-10
影响因子:
6.7
通讯作者:
Unadkat JD
Unadkat JD
中科院分区:
医学2区
文献类型:
--
作者:
Prasad B;Gaedigk A;Vrana M;Gaedigk R;Leeder JS;Salphati L;Chu X;Xiao G;Hop C;Evers R;Gan L;Unadkat JD

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通过LC-MS/MS定量了人类儿科(n=69)和成人(n=41)肝脏中主要肝脏摄取和外排药物转运蛋白的蛋白表达。OCT 1、OATP 1B 3、P-gp和MRP 3的转运蛋白表达具有年龄依赖性。特别是,在以下年龄组之间观察到转运蛋白表达的显著差异(p <0.05):新生儿与成人(OCT 1、OATP 1B 3、P-gp)、新生儿或婴儿与青少年和/或成人(OCT 1、OATP 1B 3和P-gp)、婴儿与儿童(OATP 1B 3和P-gp)和青少年与成人(MRP 3)。OCT 1的蛋白表达随年龄增长而增加,几乎增加了5倍。OATP 1B 1的个体发生表达受到基因型的混淆,仅在携带SLCO 1B 1 *1A/*1A的肝脏中显示。在> 1年的肝脏中,携带SLCO 1B 1 *14/*1A的组织显示出比SLCO 1B 1 *15/*1A高2.5倍(P<0.05)的蛋白表达。在基于生理学的药代动力学(PBPK)模型中整合这些个体发育数据将是预测儿童肝脏药物分布的关键一步。
Protein expression of major hepatic uptake and efflux drug transporters in human pediatric (n=69) and adult (n=41) livers was quantified by LC-MS/MS. Transporter protein expression of OCT1, OATP1B3, P-gp and MRP3 was age-dependent. Particularly, significant differences were observed in transporter expression (p <0.05) between the following age-groups: neonates vs. adults (OCT1, OATP1B3, P-gp), neonates or infants vs. adolescents and/or adults (OCT1, OATP1B3 and P-gp), infants vs. children (OATP1B3 and P-gp) and adolescents vs. adults (MRP3). OCT1 showed the largest increase, of almost 5-fold, in protein expression with age. Ontogenic expression of OATP1B1 was confounded by genotype and was revealed only in livers harboring SLCO1B1*1A/*1A. In livers > 1 year, tissues harboring SLCO1B1*14/*1A showed 2.5-fold higher (P<0.05) protein expression than SLCO1B1*15/*1A. Integration of these ontogeny data in physiologically based pharmacokinetic (PBPK) models will be a crucial step in predicting hepatic drug disposition in children.
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发表时间: 2012-05-01
影响因子: 3.9
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发表时间: 2010-10-10
影响因子: 3.5
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DOI: 10.1111/j.1748-1716.1984.tb07439.x
发表时间: 1984-01-01
期刊: ACTA PHYSIOLOGICA SCANDINAVICA
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作者:
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