ArticleLupus science & medicine2022
Intermuscular adipose tissue in patients with systemic lupus erythematosus.
Article in Lupus science & medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- The role of the infrapatellar fat pad in osteoporotic knee osteoarthritis: bone-fat crosstalk: cross-sectional studies.Journal of orthopaedic surgery and research · 2025Article
- Intermuscular Adipose Tissue in CKD: A Window into Muscle Quality and Health?Clinical journal of the American Society of Nephrology : CJASN · 2025Review
- Intermuscular adipose tissue accumulation is associated with higher tissue sodium in healthy individuals.Physiological reports · 2024Article
- Association between higher intermuscular adipose tissue and decreased renal function in patients with systemic lupus erythematosus mediated by insulin resistance.Insights into imaging · 2024Article
- Anti-Inflammatory Effect of High-Density Lipoprotein Blunted by Delivery of Altered MicroRNA Cargo in Patients With Rheumatoid Arthritis.Arthritis & rheumatology (Hoboken, N.J.) · 2024Article
- Intermuscular adipose tissue in patients with systemic lupus erythematosus.Lupus science & medicine · 2022Article
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Authors and funding
11 authors at 4 institutions in 2 countries.
Funding
Abstract
objectivePatients with SLE frequently have debilitating fatigue and reduced physical activity. Intermuscular adipose tissue (IMAT) accumulation is associated with reduced physical exercise capacity. We hypothesised that IMAT is increased in patients with SLE and associated with increased fatigue, reduced physical activity and increased inflammation.
methodsIn a cross-sectional study, 23 patients with SLE and 28 control participants were evaluated. IMAT was measured in the calf muscles using sequential
resultsIMAT accumulation (percentage of IMAT area to muscle area) was significantly higher in SLE versus control participants (7.92%, 4.51%-13.39% vs 2.65%, 1.15%-4.61%, median, IQR, p<0.001) and remained significant after adjustment for age, sex, race and body mass index (p<0.001). In patients with SLE, IMAT accumulation did not differ significantly among corticosteroid users and non-users (p=0.48). In the study cohort (patients and controls), IMAT was positively correlated with self-reported fatigue score (rho=0.52, p<0.001) and inversely correlated with self-reported walking distance (rho=-0.60, p<0.001). Several markers of inflammation were associated with IMAT accumulation in patients with SLE, and gene ontology analysis showed significant enrichment for pathways associated with macrophage migration and activation in relation to IMAT.
conclusionPatients with SLE have greater IMAT accumulation than controls in the calf muscles. Increased IMAT is associated with greater fatigue and lower physical activity. Future studies should evaluate the effectiveness of interventions that improve muscle quality to alleviate fatigue in patients with SLE.
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