Evidence map›Paper›PMID 22537056›Full record

ArticleBritish journal of pharmacology2012

Blockade of adipocyte differentiation by cordycepin.

Shuhei Takahashi, Minori Tamai, Shotaro Nakajima, Hironori Kato, Hisashi Johno, Tomoyuki Nakamura, Masanori Kitamura

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 11% 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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 48 citations in OpenAlex.

  1. Pooled it
  2. Review
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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

7 authors at 2 institutions in 1 country.

Shuhei TakahashiDepartment of Molecular Signaling, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Yamanashi, Japan.
Minori Tamai
Shotaro Nakajima
Hironori Kato
Hisashi Johno
Tomoyuki Nakamura
Masanori Kitamura
University of Yamanashi · JPYamanashi Research Institute · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeCordyceps militaris has the potential to suppress differentiation of pre-adipocytes. However, the active entities in the extract and the underlying mechanisms of its action are not known. Hence, we investigated whether and how cordycepin (3'-deoxyadenosine), a constituent of C. militaris, inhibits adipogenesis. EXPERIMENTAL APPROACH: Differentiation of 3T3-L1 pre-adipocytes and pre-adipocytes in primary cultures was induced by Insulin, dexamethasone and IBMX, and these were used as in vitro models of adipogenesis. The effects of cordycepin on adipogenesis were examined with particular focus on the regulation of CCAAT/enhancer-binding protein β (C/EBPβ) and PPARγ. KEY

resultsCordycepin suppressed the lipid accumulation and induction of adipogenic markers that occurred on differentiation of pre-adipocytes and also blocked the down-regulation of a pre-adipocyte marker. This anti-adipogenic effect was reversible and mediated by an adenosine transporter, but not A₁, A₂ or A₃ adenosine receptors. This effect of cordycepin was not reproduced by other adenosine-related substances, including ATP, ADP and adenosine. Early induction of the adipogenic C/EBPβ-PPARγ pathway was suppressed by cordycepin. Blockade of mTORC1 via inhibition of PKB (Akt) and activation of AMP kinase was identified as the crucial upstream event targeted by cordycepin. In addition to its negative effect on adipogenesis, cordycepin suppressed lipid accumulation in mature adipocytes. CONCLUSIONS AND IMPLICATIONS: These results suggest that the anti-adipogenic effects of cordycepin occur through its intervention in the mTORC1-C/EBPβ-PPARγ pathway. Cordycepin, by blocking both adipogenesis and lipid accumulation, may have potential as a therapeutic agent for effective treatment of obesity and obesity-related disorders.

Indexed as

1-Methyl-3-isobutylxanthine3T3-L1 CellsAdipocytesAdipogenesisAnimalsCCAAT-Enhancer-Binding Protein-betaCell DifferentiationCordycepsDeoxyadenosinesDexamethasoneDown-RegulationInsulinLipid MetabolismMechanistic Target of Rapamycin Complex 1MiceMultiprotein Complexes1-Methyl-3-isobutylxanthineCCAAT-Enhancer-Binding Protein-betacordycepinDeoxyadenosinesDexamethasoneInsulinMechanistic Target of Rapamycin Complex 1Multiprotein ComplexesPPAR gammaTOR Serine-Threonine Kinases

Identifiers

PMID22537056
PMCPMC3449261
OpenAlexW1905850761

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.