Pharmacogenetics of tenofovir and emtricitabine penetration into cerebrospinal fluid.

Pharmacogenetics of tenofovir and emtricitabine penetration into cerebrospinal fluid.
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Tenofovir和Emtritebine渗透到脑脊液中的药物遗传学。

DOI:
10.4102/sajhivmed.v22i1.1206
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发表时间:
2021
影响因子:
1.7
通讯作者:
Maartens G
Maartens G
中科院分区:
医学4区
文献类型:
--
作者:
Decloedt EH;Sinxadi PZ;Wiesner L;Joska JA;Haas DW;Maartens G

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血-脑脊液(CSF)屏障转运蛋白影响药物的流入和流出。抗逆转录病毒药物替诺福韦和恩曲他滨可能是血脑屏障(BBB)和血-CSF屏障转运蛋白的底物,但关于其中枢神经系统(CNS)渗透的药物遗传学和药代动力学数据有限。我们研究了与替诺福韦和恩曲他滨CSF处置相关的遗传多态性。我们从47名HIV阳性的南非黑人成年人中收集了成对的血浆和CSF样本,这些人在依法韦仑、替诺福韦和恩曲他滨治疗后受到病毒学抑制。我们考虑了来自7个相关转运蛋白基因(ABCC 5、ABCG 2、ABCB 1、SLCO 2B 1、SCLO 1A 2、SLCO 1B 1和ABCC 4)的1846个单核苷酸多态性,其中782个符合连锁不平衡(LD)修剪阈值。替诺福韦和恩曲他滨CSF-血浆浓度比的几何平均值(95%置信区间[CI])分别为0.023(0.021-0.026)和0.528(0.460-0.605)。在线性回归模型中,与替诺福韦CSF-血浆比值相关的最低p值为ABCB 1 rs 1989830(p = 1.2 × 10−3),恩曲他滨为ABCC 5 rs 11921035(p = 1.4 × 10−3)。没有一个经受住多次测试的校正。对于替诺福韦或恩曲他滨,没有遗传多态性与血浆、CSF浓度或CSF与血浆比值相关。
Blood-cerebrospinal fluid (CSF) barrier transporters affect the influx and efflux of drugs. The antiretrovirals tenofovir and emtricitabine may be substrates of blood-brain barrier (BBB) and blood-CSF barrier transporters, but data are limited regarding the pharmacogenetics and pharmacokinetics of their central nervous system (CNS) penetration. We investigated genetic polymorphisms associated with CSF disposition of tenofovir and emtricitabine. We collected paired plasma and CSF samples from 47 HIV-positive black South African adults who were virologically suppressed on efavirenz, tenofovir and emtricitabine. We considered 1846 single-nucleotide polymorphisms from seven relevant transporter genes (ABCC5, ABCG2, ABCB1, SLCO2B1, SCLO1A2, SLCO1B1 and ABCC4) and 782 met a linkage disequilibrium (LD)-pruning threshold. The geometric mean (95% confidence interval [CI]) values for tenofovir and emtricitabine CSF-to-plasma concentration ratios were 0.023 (0.021–0.026) and 0.528 (0.460–0.605), respectively. In linear regression models, the lowest p-value for association with the tenofovir CSF-to-plasma ratio was ABCB1 rs1989830 (p = 1.2 × 10−3) and for emtricitabine, it was ABCC5 rs11921035 (p = 1.4 × 10−3). None withstood correction for multiple testing. No genetic polymorphisms were associated with plasma, CSF concentrations or CSF-to-plasma ratios for either tenofovir or emtricitabine.
DOI: 10.1124/mol.63.5.1094
发表时间: 2003-05-01
影响因子: 3.6
作者:
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在不同的艾滋病毒感染者前瞻性队列中评估单核苷酸多态性与替诺福韦暴露的关联。
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