Evidence map›Paper›PMID 11883641›Full record

ArticlePharmaceutical research2002

Comparative inhibitory effects of different compounds on rat oatpl (slc21a1)- and Oatp2 (Slc21a5)-mediated transport.

Yoshihisa Shitara, Daisuke Sugiyama, Hiroyuki Kusuhara, Yukio Kato, Takaaki Abe, Peter J Meier, Tomoo Itoh, Yuichi Sugiyama

Open access · greenAbstract readComparative Study
PubMed Publisher
In one paragraph

Article in Pharmaceutical research, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.6field-weighted citation impact, top 11% 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

18 citing papers in PubMed, 107 citations in OpenAlex.

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  15. Effect of albumin on the biliary clearance of compounds in sandwich-cultured rat hepatocytes.Drug metabolism and disposition: the biological fate of chemicals · 2008
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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

8 authors at 5 institutions in 2 countries.

Yoshihisa ShitaraSchool of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.
Daisuke Sugiyama
Hiroyuki Kusuhara
Yukio Kato
Takaaki Abe
Peter J Meier
Tomoo Itoh
Yuichi Sugiyama
The University of Tokyo · JPKitasato University · JPJapan Science and Technology Agency · JPTohoku University · JPUniversity Hospital of Zurich · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of the present study is to examine the selectivity of various inhibitors towards the rat organic anion transporting polypeptides 1 (Oatp1: gene symbol Slc21a1) and 2 (Oatp2: Slc21a5).

methodsThe inhibitory effects of 20 compounds on the Oatpl-mediated transport of estradiol 17beta-D-glucuronide and on the Oatp2-mediated transport of digoxin were examined in cDNA-transfected LLC-PK1cells.

resultsAmong the compounds examined in this study, nonsteroidal anti-inflammatory drugs, deoxycorticosterone. and quinidine preferentially inhibited Oatpl. whereas digoxin, quinine, and rifampicin preferentially inhibited Oatp2 at low concentrations. On the other hand, propionic acid, re-ketoglutarate and p-aminohippurate showed no inhibitory effects on either transporter up to a concentration of 1,000 microM. The Ki values of ibuprofen and quinidine were estimated to be 19 and 13 times lower for Oatpl compared with Oatp2, whereas the values for rifampicin, quinine, and digoxin were 13, 20, and 100< times lower for Oatp2 compared with Oatpl.

conclusionsAt low concentrations, some of the tested inhibitors exert selective inhibition of either Oatpl- or Oatp2-mediated substrate transport. These selective inhibitors may be used at appropriate concentrations to estimate the maximum contribution of Oatp1 or Oatp2 to the total substrate uptake into rat hepatocytes.

Indexed as

AlgorithmsAnimalsAntibiotics, AntitubercularAnti-Inflammatory Agents, Non-SteroidalAntimalarialsBiological Transport, ActiveDigoxinEnzyme InhibitorsEstradiolIbuprofenLLC-PK1 CellsOrganic Anion TransportersOrganic Anion Transporters, Sodium-IndependentOrganic Cation Transport ProteinsQuinidineQuinineAntibiotics, AntitubercularAnti-Inflammatory Agents, Non-SteroidalAntimalarialsDigoxinEnzyme InhibitorsEstradiolIbuprofenOrganic Anion TransportersOrganic Anion Transporters, Sodium-IndependentOrganic Cation Transport ProteinsQuinidineQuinineRifampinSlco1a1 protein, ratSlco1a4 protein, ratSlco1c1 protein, rat

Identifiers

PMID11883641
OpenAlexW1607856558

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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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.