Evidence map›Paper›PMID 24280230›Full record

ArticleCancer & metabolism2013

Reversed argininosuccinate lyase activity in fumarate hydratase-deficient cancer cells.

Liang Zheng, Elaine D MacKenzie, Saadia A Karim, Ann Hedley, Karen Blyth, Gabriela Kalna, David G Watson, Peter Szlosarek, Christian Frezza, Eyal Gottlieb

Open access · goldAbstract read
In one paragraph

Article in Cancer & metabolism, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.

0numbers the graph read from it
0cells of the map it votes in
76citing papers in PubMed
5.0field-weighted citation impact, top 4% 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

76 citing papers in PubMed, 103 citations in OpenAlex.

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16 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

10 authors at 3 institutions in 1 country.

Liang ZhengCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Elaine D MacKenzieCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Saadia A KarimCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Ann HedleyCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Karen BlythCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Gabriela KalnaCancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
David G WatsonStrathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 27 Taylor Street, G4 0NR, Glasgow, UK.
Peter SzlosarekQueen Mary, University of London, Barts and The London School of Medicine, Charterhouse Square, London, EC1M 6BQ, UK.
Christian Frezza *Cancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Eyal Gottlieb *Cancer Research UK, Beatson Institute for Cancer Research, Switchback Road, Glasgow, G61 1BD, UK.
Cancer Research UK Scotland Institute · GBQueen Mary University of London · GBUniversity of Strathclyde · GB

Funding

Cancer Research UK 11650Medical Research Council MC_UP_1101/3Medical Research Council MC_UU_12022/6
6 · The paper itself

Abstract

backgroundLoss of function of fumarate hydratase (FH), the mitochondrial tumor suppressor and tricarboxylic acid (TCA) cycle enzyme, is associated with a highly malignant form of papillary and collecting duct renal cell cancer. The accumulation of fumarate in these cells has been linked to the tumorigenic process. However, little is known about the overall effects of the loss of FH on cellular metabolism.

methodsWe performed comprehensive metabolomic analyses of urine from Fh1-deficient mice and stable isotopologue tracing from human and mouse FH-deficient cell lines to investigate the biochemical signature of the loss of FH.

resultsThe metabolomics analysis revealed that the urea cycle metabolite argininosuccinate is a common metabolic biomarker of FH deficiency. Argininosuccinate was found to be produced from arginine and fumarate by the reverse activity of the urea cycle enzyme argininosuccinate lyase (ASL), making these cells auxotrophic for arginine. Depleting arginine from the growth media by the addition of pegylated arginine deiminase (ADI-PEG 20) decreased the production of argininosuccinate in FH-deficient cells and reduced cell survival and proliferation.

conclusionsThese results unravel a previously unidentified correlation between fumarate accumulation and the urea cycle enzyme ASL in FH-deficient cells. The finding that FH-deficient cells become auxotrophic for arginine opens a new therapeutic perspective for the cure of hereditary leiomyomatosis and renal cell cancer (HLRCC).

Identifiers

PMID24280230
PMCPMC4108060
OpenAlexW2135003533

What OpenQuestion holds

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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.