Evidence map›Paper›PMID 21903867›Full record

ArticleJournal of lipid research2011

Tyrosine phosphatase SHP2 regulates the expression of acyl-CoA synthetase ACSL4.

Mariana Cooke, Ulises Orlando, Paula Maloberti, Ernesto J Podestá, Fabiana Cornejo Maciel

Open access · hybridAbstract read
In one paragraph

Article in Journal of lipid research, 2011. 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
1.2field-weighted citation impact, top 23% 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, 50 citations in OpenAlex.

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  12. Human MicroRNA-548p Decreases Hepatic Apolipoprotein B Secretion and Lipid Synthesis.Arteriosclerosis, thrombosis, and vascular biology · 2017
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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

5 authors at 1 institution in 1 country.

Mariana CookeDepartment of Biochemistry, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina.
Ulises Orlando
Paula Maloberti
Ernesto J Podestá
Fabiana Cornejo Maciel
University of Buenos Aires · AR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Acyl-CoA synthetase 4 (ACSL4) is implicated in fatty acid metabolism with marked preference for arachidonic acid (AA). ACSL4 plays crucial roles in physiological functions such as steroid synthesis and in pathological processes such as tumorigenesis. However, factors regulating ACSL4 mRNA and/or protein levels are not fully described. Because ACSL4 protein expression requires tyrosine phosphatase activity, in this study we aimed to identify the tyrosine phosphatase involved in ACSL4 expression. NSC87877, a specific inhibitor of the tyrosine phosphatase SHP2, reduced ACSL4 protein levels in ACSL4-rich breast cancer cells and steroidogenic cells. Indeed, overexpression of an active form of SHP2 increased ACSL4 protein levels in MA-10 Leydig steroidogenic cells. SHP2 has to be activated through a cAMP-dependent pathway to exert its effect on ACSL4. The effects could be specifically attributed to SHP2 because knockdown of the phosphatase reduced ACSL4 mRNA and protein levels. Through the action on ACSL4 protein levels, SHP2 affected AA-CoA production and metabolism and, finally, the steroidogenic capacity of MA-10 cells: overexpression (or knockdown) of SHP2 led to increased (or decreased) steroid production. We describe for the first time the involvement of SHP2 activity in the regulation of the expression of the fatty acid-metabolizing enzyme ACSL4.

Indexed as

Gene Expression Regulation, EnzymologicAnimalsArachidonic AcidCell Line, TumorCell ProliferationCoenzyme A LigasesCyclic AMPEnzyme InhibitorsGene Knockdown TechniquesHumansLeydig CellsLong-Chain-Fatty-Acid-CoA LigaseMaleMicePhosphoproteinsPlasmidsArachidonic AcidCoenzyme A LigasesCyclic AMPEnzyme InhibitorsLong-Chain-Fatty-Acid-CoA LigaseNSC-87877PhosphoproteinsProtein Tyrosine Phosphatase, Non-Receptor Type 11QuinolinesSteroidogenic Acute Regulatory ProteinSteroids

Identifiers

PMID21903867
PMCPMC3196225
OpenAlexW1975874358

What OpenQuestion holds

Textmetadata
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.