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Published on: January 7, 2018
Interferon Upregulation Associates with Insulin Resistance in Humans.
Maria M Adeva-Andany1, Natalia Carneiro-Freire1, Elvira Castro-Quintela1
1Internal Medicine Department, Hospital General Juan Cardona, c/ Pardo Bazán s/n, 15406 Ferrol, Spain.
Infections trigger insulin resistance to fuel the immune system, but this response can persist, increasing type 2 diabetes risk. Interferons appear to be a key driver of this harmful, prolonged insulin resistance.
Area of Science:
- Immunology
- Metabolic Science
- Endocrinology
Background:
- Insulin resistance is a temporary adaptation to infection, crucial for immune energy supply.
- Persistent insulin resistance post-infection elevates risks for type 2 diabetes and vascular damage.
- Existing diabetes complications are exacerbated by infection-induced insulin resistance.
Purpose of the Study:
- To investigate the role of interferons in the pathogenesis of insulin resistance during infections.
- To explore the link between interferon activity and clinical manifestations of insulin resistance.
- To evaluate the therapeutic potential of targeting interferon pathways for insulin resistance.
Main Methods:
- Analysis of gene expression profiles (transcriptomes) in patients with insulin resistance.
- Measurement of serum interferon levels and interferon activity surrogates.
- Correlation analysis of interferon-related markers with metabolic parameters and insulin resistance indicators.
Main Results:
- Elevated interferon levels and interferon-stimulated gene expression observed in insulin-resistant individuals.
- Specific markers like interferon-γ-inducible protein-10, neopterin, and apolipoprotein L1 correlate with insulin resistance features.
- Downregulation of interferon activity, for instance, with hydroxychloroquine, improves insulin resistance and reduces associated disease risks.
Conclusions:
- Interferons are implicated as a common mechanism driving insulin resistance, both during infections and in other interferon-upregulating conditions.
- Targeting interferon production offers a potential therapeutic strategy to combat insulin resistance and its long-term consequences.
- Understanding the interferon-insulin resistance axis is critical for managing metabolic and cardiovascular health in various clinical settings.
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