Cited by 89Nutrition and Health in AgingDiabetes, Cardiovascular Risks, and LipoproteinsMuscle Physiology and Disorders

Myosteatosis increases with aging and is associated with incident diabetes in African ancestry men

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Miljkovic, Iva, Kuipers, Allison L., Cvejkus, Ryan, Bunker, Clareann H., Patrick, Alan L., Gordon, Christopher L., Zmuda, Joseph M.·2016·Obesity

Abstract

Objective: Skeletal muscle fat infiltration (known as myosteatosis) is greater in African compared with European ancestry men and may play an important role in the development of type 2 diabetes (T2D). However, prospective studies examining the magnitude of changes in myosteatosis with aging and their metabolic consequences are sparse. Methods: Longitudinal changes in peripheral quantitative computed tomography measured calf myosteatosis [intermuscular fat (mm 2 ) and skeletal muscle density as a measure of intramuscular fat (mg/cm 3 )] were examined in 1515 Afro‐Caribbean men aged 40+ years recruited without regard to their health status. Results: During an average of 6.2 years of follow‐up, an age‐related increase in intermuscular fat and a decrease in skeletal muscle density were observed (all P < 0.0001), which remained significant in those who lost weight, gained weight, or remained weight stable (all P < 0.0001). In addition, muscle density loss accelerated with increasing age ( P < 0.0001). Increased intermuscular fat during follow‐up was associated with an increased incident risk of T2D independent of factors known to be associated with T2D (odds ratios per 1‐SD increase in intermuscular fat = 1.29; 95% CI = 1.08‐1.53). Conclusions: Our findings suggest that both inter‐ and intramuscular fat increase with advancing age and that intermuscular fat contributes to development of T2D among African ancestry men.

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Authors
Miljkovic, I., Kuipers, A. L., Cvejkus, R., Bunker, C. H., Patrick, A. L., Gordon, C. L., & Zmuda, J. M.
Affiliations
  • University of Pittsburgh (US)
  • Tobago Health Studies Office Scarborough Tobago, Trinidad and Tobago West Indies
  • McMaster University (CA)
Corresponding author
Miljkovic, Iva
Venue
Obesity
Publisher
Wiley
Published
2015-12-23
Volume
24
Issue
2
Pages
476-482
ISSN
  • 1930-7381 (ISSN-L)
  • 1930-739X
OpenAlex
W2198241880
Cited by
89
References
40
Citations by year
2026: 8 · 2025: 9 · 2024: 11 · 2023: 8 · 2022: 12 · 2021: 14 · 2020: 8 · 2019: 9 · 2018: 6 · 2017: 4
FWCI
2.46
Type
journal article
Language
en
Open access
Locations
  • Obesity (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Heart, Lung, and Blood Institute (K01HL125658)
  • National Institute of Diabetes and Digestive and Kidney Diseases (K01DK083029, R01DK097084)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR049747)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
myosteatosis, skeletal muscle fat infiltration, intermuscular fat, intramuscular fat, skeletal muscle density, aging, type 2 diabetes, new-onset diabetes, Afro-Caribbean men, peripheral quantitative computed tomography, weight change
MeSH terms
Adipose Tissue, Adult, Aged, Aging, Body Weight, Diabetes Mellitus, Type 2, Humans, Leg, Longitudinal Studies, Male, Middle Aged, Muscular Diseases, Prospective Studies, Muscle, Skeletal, Black People, White People

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