Evidence map›Paper›PMID 19628874›Full record

ArticleThe Journal of biological chemistry2009

Angiopoietin-like 4 (ANGPTL4, fasting-induced adipose factor) is a direct glucocorticoid receptor target and participates in glucocorticoid-regulated triglyceride metabolism.

Suneil K Koliwad, Taiyi Kuo, Lauren E Shipp, Nora E Gray, Fredrik Backhed, Alex Yick-Lun So, Robert V Farese, Jen-Chywan Wang

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 92 papers.

0numbers the graph read from it
0cells of the map it votes in
92citing papers in PubMed
5.9field-weighted citation impact, top 3% 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

92 citing papers in PubMed, 163 citations in OpenAlex.

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  13. Dual role of ANGPTL4 in inflammation.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2023
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32 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

8 authors at 4 institutions in 2 countries.

Suneil K KoliwadGladstone Institute of Cardiovascular Disease, University of California, San Francisco, California 94143, USA.
Taiyi Kuo
Lauren E Shipp
Nora E Gray
Fredrik Backhed
Alex Yick-Lun So
Robert V Farese
Jen-Chywan Wang
University of California, Berkeley · USGladstone Institutes · USUniversity of California, San Francisco · USUniversity of Gothenburg · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glucocorticoids are important regulators of lipid homeostasis, and chronically elevated glucocorticoid levels induce hypertriglyceridemia, hepatic steatosis, and visceral obesity. The occupied glucocorticoid receptor (GR) is a transcription factor. However, those genes regulating lipid metabolism under GR control are not fully known. Angiopoietin-like 4 (ANGPTL4, fasting-induced adipose factor), a protein inhibitor of lipoprotein lipase, is synthesized and secreted during fasting, when circulating glucocorticoid levels are physiologically increased. We therefore tested whether the ANGPTL4 gene (Angptl4) is transcriptionally controlled by GR. We show that treatment with the synthetic glucocorticoid dexamethasone increased Angptl4 mRNA levels in primary hepatocytes and adipocytes (2-3-fold) and in the livers and white adipose tissue of mice (approximately 4-fold). We tested the mechanism of this increase in H4IIE hepatoma cells and found that dexamethasone treatment increased the transcriptional rate of Angptl4. Using bioinformatics and chromatin immunoprecipitation, we identified a GR binding site within the rat Angptl4 sequence. A reporter plasmid containing this site was markedly activated by dexamethasone, indicative of a functional glucocorticoid response element. Dexamethasone treatment also increased histone H4 acetylation and DNase I accessibility in genomic regions near this site, further supporting that it is a glucocorticoid response element. Glucocorticoids promote the flux of triglycerides from white adipose tissue to liver. We found that mice lacking ANGPTL4 (Angptl4(-/-)) had reductions in dexamethasone-induced hypertriglyceridemia and hepatic steatosis, suggesting that ANGPTL4 is required for this flux. Overall, we establish that ANGPTL4 is a direct GR target that participates in glucocorticoid-regulated triglyceride metabolism.

Indexed as

Adipose TissueAdipose Tissue, WhiteAngiopoietin-Like Protein 4AngiopoietinsAnimalsCell Line, TumorDexamethasoneFatty LiverGlucocorticoidsHepatocytesHumansHypertriglyceridemiaLipoprotein LipaseLiverMiceMice, KnockoutAngiopoietin-Like Protein 4AngiopoietinsANGPTL4 protein, humanAngptl4 protein, mouseANGPTL4 protein, ratDexamethasoneGlucocorticoidsLipoprotein LipaseReceptors, GlucocorticoidTriglycerides

Identifiers

PMID19628874
PMCPMC2757961
OpenAlexW2093583036

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.