Cited by 313Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismNatural Antidiabetic Agents Studies

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Dietary Blueberry Attenuates Whole-Body Insulin Resistance in High Fat-Fed Mice by Reducing Adipocyte Death and Its Inflammatory Sequelae

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Abstract

Adipose tissue (AT) inflammation promotes insulin resistance (IR) and other obesity complications. AT inflammation and IR are associated with oxidative stress, adipocyte death, and the scavenging of dead adipocytes by proinflammatory CD11c+ AT macrophages (ATMPhi). We tested the hypothesis that supplementation of an obesitogenic (high-fat) diet with whole blueberry (BB) powder protects against AT inflammation and IR. Male C57Bl/6j mice were maintained for 8 wk on 1 of 3 diets: low-fat (10% of energy) diet (LFD), high-fat (60% of energy) diet (HFD) or the HFD containing 4% (wt:wt) whole BB powder (1:1 Vaccinium ashei and V. corymbosum) (HFD+B). BB supplementation (2.7% of total energy) did not affect HFD-associated alterations in energy intake, metabolic rate, body weight, or adiposity. We observed an emerging pattern of gene expression in AT of HFD mice indicating a shift toward global upregulation of inflammatory genes (tumor necrosis factor-alpha, interleukin-6, monocyte chemoattractant protein 1, inducible nitric oxide synthase), increased M1-polarized ATMPhi (CD11c+), and increased oxidative stress (reduced glutathione peroxidase 3). This shift was attenuated or nonexistent in HFD+B-fed mice. Furthermore, mice fed the HFD+B were protected from IR and hyperglycemia coincident with reductions in adipocyte death. Salutary effects of BB on adipocyte physiology and ATMPhi gene expression may reflect the ability of BB anthocyanins to alter mitogen-activated protein kinase and nuclear factor-kappaB stress signaling pathways, which regulate cell fate and inflammatory genes. These results suggest that cytoprotective and antiinflammatory actions of dietary BB can provide metabolic benefits to combat obesity-associated pathology.

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Metadata

Authors
DeFuria, J., Bennett, G., Strissel, K. J., James, W. P., Milbury, P. E., Greenberg, A. S., & Obin, M. S.
Affiliations
Tufts University (US)
Corresponding author
  • James, W. Perfield
  • Greenberg, Andrew S.
  • Obin, Martin S.
Venue
The Journal of Nutrition
Publisher
Elsevier BV
Published
2009-08
Volume
139
Issue
8
Pages
1510-1516
ISSN
0022-3166 (ISSN-L)
OpenAlex
W2171102147
Cited by
313
References
36
Citations by year
2026: 5 · 2025: 8 · 2024: 14 · 2023: 8 · 2022: 12 · 2021: 27 · 2020: 15 · 2019: 22 · 2018: 19 · 2017: 23 · 2016: 19 · 2015: 22 · 2014: 24 · 2013: 33 · 2012: 16
FWCI
13.87
Type
journal article
Language
en
Open access
Locations
  • Journal of Nutrition (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Diabetes Association
  • U.S. Department of Agriculture
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (TH32HL69772, T32HL069772)
  • National Institute of Diabetes and Digestive and Kidney Diseases (T32DK062032)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology (medical) › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
Keywords
blueberry, insulin resistance, adipose tissue inflammation, adipocyte death, high-fat diet, obesity, adipose tissue macrophages, oxidative stress, anthocyanins, M1 macrophage polarization, NF-κB signaling, MAPK signaling, hyperglycemia, dietary supplementation
MeSH terms
Animals, Anthocyanins, Anti-Inflammatory Agents, Diet, Dietary Fats, Fruit, Glutathione Peroxidase, Hyperglycemia, Insulin Resistance, Macrophages, Male, Mice, Inbred C57BL, Tumor Necrosis Factor-alpha, Signal Transduction, Interleukin-6, Gene Expression, Cell Death, Adipocytes, Chemokine CCL2, Plant Preparations, Blueberry Plants, Adiposity, Mice, Nitric Oxide Synthase Type II

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