Evidence map›Paper›PMID 32391122›Full record

ArticleOncotarget2020

The cytotoxicity of gallium maltolate in glioblastoma cells is enhanced by metformin through combined action on mitochondrial complex 1.

Hisham S Alhajala, John L Markley, Jin Hae Kim, Mona M Al-Gizawiy, Kathleen M Schmainda, John S Kuo, Christopher R Chitambar

Open access · diamondAbstract read
In one paragraph

Article in Oncotarget, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
0.5field-weighted citation impact, top 38% 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

12 citing papers in PubMed, 17 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Article
  6. Gallium Uncouples Iron Metabolism to Enhance Glioblastoma Radiosensitivity.International journal of molecular sciences · 2024
    Article
  7. Article
  8. Review
  9. PotentFrontiers in oncology · 2023
    Article
  10. Article
  11. Review
  12. Article
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

7 authors at 2 institutions in 1 country.

Hisham S AlhajalaDivision of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
John L MarkleyDepartment of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Jin Hae KimDepartment of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Mona M Al-GizawiyDepartment of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
Kathleen M SchmaindaDepartment of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
John S KuoDepartment of Neurosurgery and Mulva Clinic for the Neurosciences, Dell Medical School, Austin, Texas, USA.
Christopher R ChitambarDivision of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
Medical College of Wisconsin · USUniversity of Wisconsin–Madison · US

Funding

TR&D 3: TECHNOLOGY DEVELOPMENT FOR NMR STUDIES OF SMALL MOLECULES (METABOLOMICS, NATURAL PRODUCTS, METABOLITE-PROTEIN INTERACTIONS) pp.537-585 P41GM103399 · NIGMS · UNIVERSITY OF WISCONSIN-MADISON · PI MARKLEY, JOHN LUTE · 2012 to 2019
$9.4M
Partnership for High-Throughput Enabled Biology of the Mitochondrial ProteomeU01GM094622 · NIGMS · UNIVERSITY OF WISCONSIN-MADISON · PI MARKLEY, JOHN LUTE · 2010 to 2014
$7.8M
NIGMS NIH HHS P41 GM103399NIGMS NIH HHS U01 GM094622
6 · The paper itself

Abstract

New drugs are needed for glioblastoma, an aggressive brain tumor with a dismal prognosis. We recently reported that gallium maltolate (GaM) retards the growth of glioblastoma in a rat orthotopic brain tumor model by inhibiting mitochondrial function and iron-dependent ribonucleotide reductase (RR). However, GaM's mechanism of action at the mitochondrial level is not known. Given the interaction between gallium and iron metabolism, we hypothesized that gallium might target iron-sulfur (Fe-S) cluster-containing mitochondrial proteins. Using Extracellular Flux Analyzer technology, we confirmed that after a 24-h incubation, GaM 50 μmol/L inhibited glioblastoma cell growth by <10% but inhibited cellular oxygen consumption rate by 44% and abrogated mitochondrial reserve capacity. GaM blocked mitochondrial complex I activity and produced a 2.9-fold increase in cellular ROS. NMR spectroscopy revealed that gallium binds to IscU, the bacterial scaffold protein for Fe-S cluster assembly and stabilizes its folded state. Gallium inhibited the rate of

Indexed as

galliumglioblastomaironmetforminmitochondrial complex I

Identifiers

PMID32391122
PMCPMC7197450
OpenAlexW3022352591

What OpenQuestion holds

Textmetadata
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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.