Evidence map›Paper›PMID 23546614›Full record

Trial reportEndocrine2014

The consumption of n-3 polyunsaturated fatty acids differentially modulates gene expression of peroxisome proliferator-activated receptor alpha and gamma and hypoxia-inducible factor 1 alpha in subcutaneous adipose tissue of obese adolescents.

César M Mejía-Barradas, Blanca E Del-Río-Navarro, Aarón Domínguez-López, Rafael Campos-Rodríguez, María de-Los-Á Martínez-Godínez, Saúl Rojas-Hernández, Eleazar Lara-Padilla, Edgar Abarca-Rojano, Ángel Miliar-García

Registry-linked trialAbstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Endocrine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02656940 (Effects of Dietary Lipid Modulation in Energy Expenditure, Body Composition, Obesity-related Biomarkers and Gene Expression of Peroxisome Proliferator-Activated Receptors Alpha and Gamma 2 in Adipose Tissue of Obese Women), which is not on this map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
2.8field-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.

NCT02656940 nacompletednot on this map

Effects of Dietary Lipid Modulation in Energy Expenditure, Body Composition, Obesity-related Biomarkers and Gene Expression of Peroxisome Proliferator-Activated Receptors Alpha and Gamma 2 in Adipose Tissue of Obese Women

TypeinterventionalSponsorUniversidade Federal do Rio de JaneiroRan2013 to 2014Enrolled32ConditionsObesityArmsGroup 1 - diet rich in n-3 and n-6 PUFA, Group 2 - diet rich in MUFA, Group 3 - Placebo group
3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  15. Epigenetic Effects of n-3 LCPUFAs: A Role in Pediatric Metabolic Syndrome.International journal of molecular sciences · 2019
    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

9 authors at 3 institutions in 1 country.

César M Mejía-BarradasLaboratory of Molecular Biology, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis and Salvador Díaz Mirón, Col. Santo Tomás, Mexico, P.O. Box 11340, Mexico.
Blanca E Del-Río-Navarro
Aarón Domínguez-López
Rafael Campos-Rodríguez
María de-Los-Á Martínez-Godínez
Saúl Rojas-Hernández
Eleazar Lara-Padilla
Edgar Abarca-Rojano
Ángel Miliar-García
Instituto Politécnico Nacional · MXHospital Infantil de México Federico Gómez · MXInstituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of this study was to evaluate the effect of long-chain omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation on metabolic state and gene expression in subcutaneous adipose tissues of obese adolescents. Obese adolescents (n = 26, 10 girls and 16 boys) aged 12.4 ± 2.1 years were assigned to a 12-week regimen of n-3 PUFA intake. Five times per day, subjects received a food supplement consisting of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) (3 g per day, 944 mg EPA, and 2,088 mg DHA). Blood parameters were measured, and subcutaneous adipose tissue biopsies were analyzed to determine gene expression at baseline and after 12 weeks. Student's t test and the Wilcoxon signed-rank test were used to estimate differences in arithmetic means of pre- and post-dietary supplementation for various anthropometric, biochemical, clinical, and gene expression parameters. After 12 weeks, n-3 PUFA consumption was associated with decreased body mass index (29.7 ± 4.6 vs. 27.8 ± 4.4 kg/m(2); P < 0.001), waist circumference (93.2 ± 9.9 vs. 90.5 ± 10.0 cm; P < 0.003), hip circumference (102.9 ± 10.9 vs. 101.1 ± 10.9 cm; P < 0.014), and blood triglyceride levels (220.8 ± 27.4 vs. 99.7 ± 32.7 mg/dL; P < 0.001). Fatty acid supplementation/n3 PUFA supplementation was associated with a downregulated expression of the genes encoding PPARγ and PGC-1α (P < 0.001), and an upregulated expression of the genes encoding PPARα (P < 0.007) and SREBP1 (P < 0.021). The expressions of SOD2 (P < 0.04), CAT (P < 0.001), GPX3 (P < 0.032) and HIF-1α protein also decreased. Our study demonstrated that n-3 PUFA consumption and dietary restriction improved the anthropometric parameters and decreased the triglycerides levels of the adolescents, suggesting a reduction in hypoxia in subcutaneous adipose tissue.

Indexed as

Dietary SupplementsPediatric ObesityAdolescentChildFatty Acids, Omega-3FemaleGene Expression RegulationHumansHypoxia-Inducible Factor 1, alpha SubunitMalePeroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alphaPPAR alphaPPAR gammaSubcutaneous FatTranscription FactorsFatty Acids, Omega-3HIF1A protein, humanHypoxia-Inducible Factor 1, alpha SubunitPeroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alphaPPAR alphaPPAR gammaPPARGC1A protein, humanTranscription Factors

Identifiers

PMID23546614
OpenAlexW2032969984

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.