Evidence map›Paper›PMID 27872488›Full record

ArticleScientific reports2016

PLD1 regulates adipogenic differentiation through mTOR - IRS-1 phosphorylation at serine 636/639.

Hae-In Song, Mee-Sup Yoon

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.6field-weighted citation impact, top 16% 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

11 citing papers in PubMed, 24 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

2 authors at 1 institution in 1 country.

Hae-In SongDepartment of Molecular Medicine, School of Medicine, Gachon University, Incheon 406-840, Republic of Korea.
Mee-Sup YoonDepartment of Molecular Medicine, School of Medicine, Gachon University, Incheon 406-840, Republic of Korea.
Gachon University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Phospholipase D1 (PLD1) plays a known role in several differentiation processes, but its role in adipogenic differentiation remains unknown. In the present study, we identified PLD1 as a negative regulator of adipogenic differentiation. We showed that PLD activity was downregulated by both 3-Isobutyl-1-methylxanthine (IBMX) and insulin upon induction of differentiation in 3T3-L1 adipogenic cells. In line with this observation, PLD activity decreased in both high fat diet (HFD)-fed mice and ob/ob mice. We also found that differentiation of 3T3-L1 preadipocytes was enhanced by the depletion of PLD1 levels or inhibition of PLD1 activity by VU0155069, a PLD1-specific inhibitor. Conversely, treatment with phosphatidic acid (PA), a PLD product, and overexpression of PLD1 both caused a decrease in adipogenic differentiation. Moreover, the elevated differentiation in PLD1-knockdown 3T3-L1 cells was reduced by either PA treatment or PLD1 expression, confirming negative roles of PLD1 and PA in adipogenic differentiation. Further investigation revealed that PA displaces DEP domain-containing mTOR-interacting protein (DEPTOR) from mTORC1, which subsequently phosphorylates insulin receptor substrate-1 (IRS-1) at serine 636/639 in 3T3-L1 cells. Taken together, our findings provide convincing evidence for a direct role of PLD1 in adipogenic differentiation by regulating IRS-1 phosphorylation at serine 636/639 through DEPTOR displacement and mTOR activation.

Indexed as

3T3-L1 CellsAdipocytesAdipogenesisAnimalsBenzimidazolesInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsMiceMice, Inbred C57BLPhosphatidic AcidsPhospholipase DPhosphorylationPiperidinesRNA InterferenceRNA, Small InterferingSerineBenzimidazolesdeptor protein, mouseInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsN-(1-(4-(5-chloro-2-oxo-2,3-dihydro-1H-benzo(d)imidazol-1-yl)piperidin-1-yl)propan-2-yl)-2-naphthamidePhosphatidic AcidsPhospholipase Dphospholipase D1PiperidinesRNA, Small InterferingSerineTOR Serine-Threonine Kinases

Identifiers

PMID27872488
PMCPMC5181839
OpenAlexW2553780568

What OpenQuestion holds

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LicenceCC BY
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.