Cited by 67Cardiovascular Disease and AdiposityAdipokines, Inflammation, and Metabolic DiseasesCardiac Fibrosis and Remodeling

Novel atherogenic pathways from the differential transcriptome analysis of diabetic epicardial adipose, tissue

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Camarena, V., Sant, D., Mohseni, M., Salerno, T., Zaleski, M.L., Wang, G., Iacobellis, G.·2017·Nutrition Metabolism and Cardiovascular Diseases

Abstract

Background and aim To evaluate the epicardial adipose tissue (EAT) transcriptome in comparison to subcutaneous fat (SAT) in coronary artery disease (CAD) and type 2 diabetes (T2DM).Methods and results SAT and EAT samples were obtained from subjects with T2DM and CAD (n = 5) and those without CAD with or without T2DM (=3) undergoing elective cardiac surgery. RNA-sequencing analysis was performed in both EAT and SAT. Gene enrichment analysis was conducted to identify pathways affected by the differentially expressed genes. Changes of top genes were verified by quantitative RT-PCR (qRT-PCR), western blot, and immunofluorescence. A total of 592 genes were differentially expressed in diabetic EAT, whereas there was no obvious changes in SAT transcriptome between diabetics and non-diabetics. Diabetic EAT was mainly enriched in inflammatory genes, such as Colony Stimulating Factor 3 (CSF3), Interleukin-1b (IL-1b), IL-6. KEGG pathway analysis confirmed that upregulated genes were involved in inflammatory pathways, such as Tumor Necrosis Factor (TNF), Nuclear Factor-κB (NF-κB) and advanced glycation end-products-receptor advanced glycation end products (AGE-RAGE). The overexpression of inflammatory genes in diabetic EAT was largely correlated with upregulated transcription factors such as NF-κB and FOS.Conclusions Diabetic EAT transcriptome is significantly different when compared to diabetic SAT and highly enriched with genes involved in innate immune response and endothelium, like Pentraxin3 (PTX3) and Endothelial lipase G (LIPG). EAT inflammatory genes expression could be induced by upregulated transcription factors, mainly NF-kB and FOSL, primarily activated by the overexpressed AGE-RAGE signaling. This suggests a unique and novel atherogenic pathway in diabetes.

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Authors
Camarena, V., Sant, D., Mohseni, M., Salerno, T., Zaleski, M. L., Wang, G., & Iacobellis, G.
Affiliations
  • Dr. John T. Macdonald Foundation (US)
  • University of Miami (US)
Corresponding author
  • Wang, G.
  • Iacobellis, G.
Venue
Nutrition Metabolism and Cardiovascular Diseases
Publisher
Elsevier BV
Published
2017-08
Volume
27
Issue
8
Pages
739-750
ISSN
0939-4753 (ISSN-L)
OpenAlex
W2623528424
Cited by
67
References
44
Citations by year
2026: 5 · 2025: 8 · 2024: 10 · 2023: 7 · 2022: 12 · 2021: 7 · 2020: 10 · 2019: 6 · 2018: 2
FWCI
3.80
Type
journal article
Language
en
Open access
Locations
  • Nutrition Metabolism and Cardiovascular Diseases (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (1R01NS089525)
  • James and Esther King Biomedical Research Award (3KN08)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Disease and Adiposity
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
Keywords
epicardial adipose tissue, subcutaneous adipose tissue, type 2 diabetes, coronary artery disease, atherogenesis, inflammation, NF-κB signaling, AGE-RAGE signaling pathway, innate immune response, pentraxin 3, transcriptome, differentially expressed genes
MeSH terms
Adipose Tissue, Aged, Coronary Artery Disease, Cross-Sectional Studies, Diabetes Mellitus, Type 2, Diabetic Angiopathies, Female, Humans, Inflammation, Male, Middle Aged, Pericardium, Phenotype, Risk Factors, RNA, Messenger, Cytokines, Sequence Analysis, RNA, Genetic Predisposition to Disease, Gene Expression Profiling, Subcutaneous Fat, Atherosclerosis, Adipokines, Transcriptome

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