Evidence map›Paper›PMID 24646860›Full record

ArticleKidney international2014

Contribution of the organic anion transporter OAT2 to the renal active tubular secretion of creatinine and mechanism for serum creatinine elevations caused by cobicistat.

Eve-Irene Lepist, Xuexiang Zhang, Jia Hao, Jane Huang, Alan Kosaka, Gabriel Birkus, Bernard P Murray, Roy Bannister, Tomas Cihlar, Yong Huang and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in Kidney international, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 98 papers.

0numbers the graph read from it
0cells of the map it votes in
98citing papers in PubMed
13.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

98 citing papers in PubMed, 240 citations in OpenAlex.

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38 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 2 institutions in 1 country.

Eve-Irene LepistGilead Sciences, Foster City, California, USA.
Xuexiang ZhangOptivia Biotechnology, Menlo Park, California, USA.
Jia HaoGilead Sciences, Foster City, California, USA.
Jane HuangOptivia Biotechnology, Menlo Park, California, USA.
Alan KosakaOptivia Biotechnology, Menlo Park, California, USA.
Gabriel BirkusGilead Sciences, Foster City, California, USA.
Bernard P MurrayGilead Sciences, Foster City, California, USA.
Roy BannisterGilead Sciences, Foster City, California, USA.
Tomas CihlarGilead Sciences, Foster City, California, USA.
Yong HuangOptivia Biotechnology, Menlo Park, California, USA.
Adrian S RayGilead Sciences, Foster City, California, USA.
Gilead Sciences (United States) · USOptivia Biotechnology (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many xenobiotics including the pharmacoenhancer cobicistat increase serum creatinine by inhibiting its renal active tubular secretion without affecting the glomerular filtration rate. This study aimed to define the transporters involved in creatinine secretion, applying that knowledge to establish the mechanism for xenobiotic-induced effects. The basolateral uptake transporters organic anion transporter OAT2 and organic cation transporters OCT2 and OCT3 were found to transport creatinine. At physiologic creatinine concentrations, the specific activity of OAT2 transport was over twofold higher than OCT2 or OCT3, establishing OAT2 as a likely relevant creatinine transporter and further challenging the traditional view that creatinine is solely transported by a cationic pathway. The apical multidrug and toxin extrusion transporters MATE1 and MATE2-K demonstrated low-affinity and high-capacity transport. All drugs known to affect creatinine inhibited OCT2 and MATE1. Similar to cimetidine and ritonavir, cobicistat had the greatest effect on MATE1 with a 50% inhibition constant of 0.99 μM for creatinine transport. Trimethoprim potently inhibited MATE2-K, whereas dolutegravir preferentially inhibited OCT2. Cimetidine was unique, inhibiting all transporters that interact with creatinine. Thus, the clinical observation of elevated serum creatinine in patients taking cobicistat is likely a result of OCT2 transport, facilitating intracellular accumulation, and MATE1 inhibition.

Indexed as

AnimalsBiological Transport, ActiveCarbamatesCell LineCells, CulturedCHO CellsCimetidineCobicistatCreatinineCricetulusDogsHEK293 CellsHumansKidney TubulesKineticsOrganic Anion Transporters, Sodium-IndependentCarbamatesCimetidineCobicistatCreatinineOrganic Anion Transporters, Sodium-IndependentOrganic Cation Transporter 2Organic Cation Transporter 3Organic Cation Transport ProteinsRecombinant ProteinsSLC22A2 protein, humanSLC22A7 protein, humanSLC47A1 protein, humanSLC47A2 protein, humanThiazoles

Identifiers

PMID24646860
PMCPMC4120670
OpenAlexW2034122697

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.