Evidence map›Paper›PMID 28509582›Full record

ArticleLeukemia & lymphoma2017

Tariquidar sensitizes multiple myeloma cells to proteasome inhibitors via reduction of hypoxia-induced P-gp-mediated drug resistance.

Barbara Muz, Hubert D Kusdono, Feda Azab, Pilar de la Puente, Cinzia Federico, Mark Fiala, Ravi Vij, Noha N Salama, Abdel Kareem Azab

Abstract read
In one paragraph

Article in Leukemia & lymphoma, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.9field-weighted citation impact, top 13% 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

17 citing papers in PubMed, 35 citations in OpenAlex.

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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

9 authors at 2 institutions in 2 countries.

Barbara Muza Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Hubert D Kusdonoa Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Feda Azaba Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Pilar de la Puentea Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Cinzia Federicoa Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Mark Fialac Section of Stem Cell Transplant and Leukemia, Division of Medical Oncology , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Ravi Vijc Section of Stem Cell Transplant and Leukemia, Division of Medical Oncology , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Noha N Salamab Department of Pharmaceutical and Administrative Sciences , St. Louis College of Pharmacy , St. Louis , MO , USA.
Abdel Kareem Azaba Department of Radiation Oncology, Cancer Biology Division , Washington University in Saint Louis School of Medicine , St. Louis , MO , USA.
Washington University in St. Louis · USUniversity of Health Sciences and Pharmacy · US

Funding

Washington University Institute of Clinical and Translational SciencesUL1TR000448 · NCATS · WASHINGTON UNIVERSITY · PI EVANOFF, BRADLEY A · 2012 to 2016
$41.4M
Project 2 - Radiation-Induced Treatment of Multiple Myeloma using NanoparticlesU54CA199092 · NCI · WASHINGTON UNIVERSITY · PI ACHILEFU, SAMUEL · 2015 to 2019
$11.5M
NCATS NIH HHS UL1 TR000448NCI NIH HHS U54 CA199092
6 · The paper itself

Abstract

Multiple myeloma (MM) presents a poor prognosis and high lethality of patients due to development of drug resistance. P-glycoprotein (P-gp), a drug-efflux transporter, is upregulated in MM patients post-chemotherapy and is involved in the development of drug resistance since many anti-myeloma drugs (including proteasome inhibitors) are P-gp substrates. Hypoxia develops in the bone marrow niche during MM progression and has long been linked to chemoresistance. Additionally, hypoxia-inducible transcription factor (HIF-1α) was demonstrated to directly regulate P-gp expression. We found that in MM patients P-gp expression positively correlated with the hypoxic marker, HIF-1α. Hypoxia increased P-gp protein expression and its efflux capabilities in MM cells in vitro using flow cytometry. We reported herein that hypoxia-mediated resistance to carfilzomib and bortezomib in MM cells is due to P-gp activity and was reversed by tariquidar, a P-gp inhibitor. These results suggest combining proteasome inhibitors with P-gp inhibition for future clinical studies.

Indexed as

ATP Binding Cassette Transporter, Subfamily B, Member 1BortezomibCell Line, TumorCell SurvivalDrug Resistance, NeoplasmGene ExpressionGene Expression ProfilingHumansHypoxiaHypoxia-Inducible Factor 1, alpha SubunitMultiple MyelomaOligopeptidesProteasome InhibitorsQuinolinesATP Binding Cassette Transporter, Subfamily B, Member 1BortezomibcarfilzomibHIF1A protein, humanHypoxia-Inducible Factor 1, alpha SubunitOligopeptidesProteasome InhibitorsQuinolinestariquidardrug resistancehypoxiaMultiple myelomaP-glycoprotein

Identifiers

PMID28509582
PMCPMC6056270
OpenAlexW2616702371

What OpenQuestion holds

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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.