Cited by 102Adipose Tissue and MetabolismNatural Antidiabetic Agents StudiesMetabolism, Diabetes, and Cancer

In vivo effects of dietary quercetin and quercetin-rich red onion extract on skeletal muscle mitochondria, metabolism, and insulin sensitivity

Open access
Henagan, T. M., Cefalu, W. T., Ribnicky, D. M., Noland, R. C., Dunville, K., Campbell, W. W., Stewart, L. K., Forney, L. A. +3 more·2015·Genes & Nutrition

Abstract

Red onions and low doses of the flavonoid, quercetin, increase insulin sensitivity and improve glucose tolerance. We hypothesized that dietary supplementation with red onion extract (RO) would attenuate high fat diet (HFD)-induced obesity and insulin resistance similar to quercetin supplementation by increasing energy expenditure through a mechanism involving skeletal muscle mitochondrial adaptations. To test this hypothesis, C57BL/6J mice were randomized into four groups and fed either a low fat diet (LF), HFD (HF), HFD + quercetin (HF + Q), or HFD + RO (HF + RO) for 9 weeks. Food consumption and body weight and composition were measured weekly. Insulin sensitivity was assessed by insulin and glucose tolerance tests. Energy expenditure and physical activity were measured by indirect calorimetry. Skeletal muscle incomplete beta oxidation, mitochondrial number, and mtDNA-encoded gene expression were measured. Quercetin and RO supplementation decreased HFD-induced fat mass accumulation and insulin resistance (measured by insulin tolerance test) and increased energy expenditure; however, only HF + Q showed an increase in physical activity levels. Although quercetin and RO similarly increased skeletal muscle mitochondrial number and decreased incomplete beta oxidation, establishing mitochondrial function similar to that seen in LF, only HF + Q exhibited consistently lower mRNA levels of mtDNA-encoded genes necessary for complexes IV and V compared to LF. Quercetin- and RO-induced improvements in adiposity, insulin resistance, and energy expenditure occur through differential mechanisms, with quercetin-but not RO-induced energy expenditure being related to increases in physical activity. While both treatments improved skeletal muscle mitochondrial number and function, mtDNA-encoded transcript levels suggest that the antiobesogenic, insulin-sensitizing effects of purified quercetin aglycone, and RO may occur through differential mechanisms.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1007/s12263-014-0451-1

Cites

34 of 34 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Henagan, T. M., Cefalu, W. T., Ribnicky, D. M., Noland, R. C., Dunville, K., Campbell, W. W., Stewart, L. K., Forney, L. A., Gettys, T. W., Chang, J. S., & Morrison, C. D.
Affiliations
  • Purdue University West Lafayette (US)
  • Pennington Biomedical Research Center (US)
  • Rutgers, The State University of New Jersey (US)
  • University of Northern Colorado (US)
Venue
Genes & Nutrition
Published
2014-12-27
Volume
10
Issue
1
Pages
451-451
ISSN
  • 1555-8932 (ISSN-L)
  • 1865-3499
OpenAlex
W2023989068
Cited by
102
References
34
Citations by year
2026: 4 · 2025: 3 · 2024: 11 · 2023: 10 · 2022: 7 · 2021: 11 · 2020: 13 · 2019: 9 · 2018: 10 · 2017: 11 · 2016: 8 · 2015: 5
FWCI
5.32
Type
journal article
Language
en
Open access
Locations
  • Genes & Nutrition (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (DK072476)
  • National Institute of General Medical Sciences (P20GM103528, P30GM118430)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK072476, DK064584, 8P20-GM103528-07, R01DK096311, 5T32-DK064584-09, T32DK064584, P30DK072476)
  • National Center for Complementary and Alternative Medicine
  • National Center for Research Resources (P20RR021945)
  • National Center for Complementary and Integrative Health (P50AT002776)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
quercetin, red onion extract, dietary flavonoids, insulin resistance, insulin sensitivity, high-fat diet, obesity, energy expenditure, skeletal muscle mitochondria, mitochondrial biogenesis, physical activity, glucose tolerance, fat mass

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review