Vaspin Dynamics and Insulin Sensitivity in Metabolic Disorders
Summary
Vaspin is an adipokine derived from visceral adipose tissue that has emerged as a key regulator of metabolic homeostasis. Its expression rises in obesity and insulin‐resistant states, suggesting a compensatory mechanism aimed at restoring insulin sensitivity. Mechanistically, vaspin enhances insulin receptor signalling by activating the insulin receptor substrate/phosphatidylinositol 3-kinase/Akt/glucose transporter axis while concurrently suppressing inflammatory cascades linked to nuclear factor-κB. These dual actions mitigate hyperglycaemia, hyperinsulinaemia and ectopic lipid accumulation. Beyond classical endocrine roles, vaspin influences energy expenditure, adipose tissue function and vascular health, positioning it as both a biomarker of metabolic stress and a potential therapeutic agent in disorders such as type 2 diabetes, non‐alcoholic fatty liver disease and obesity-related cardiovascular disease.
Research from Nature Portfolio
Recent experimental work in a high-fat diet rodent model demonstrated that chronic vaspin administration lowers fasting glucose and insulin levels without altering body weight or lipid profiles. These improvements in glucose tolerance and insulin sensitivity were attributed to enhanced activation of the insulin receptor substrate/PI3K/Akt/glucose transporter pathway in liver, muscle and fat, coupled with inhibition of the IκBα/NF-κB inflammatory axis. This study elucidates molecular underpinnings of vaspin’s insulin-sensitising and anti-inflammatory effects, reinforcing its promise as a candidate for metabolic syndrome intervention.
Vaspin Dynamics and Insulin Sensitivity in Metabolic Disorders publication trend
The graph below shows the total number of articles in vaspin dynamics and insulin sensitivity in metabolic disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Vaspin: A serine protease inhibitor secreted by visceral fat that modulates insulin signalling and inflammation.
Adipokine: A bioactive protein released by adipose tissue influencing metabolic and inflammatory pathways.
HOMA-IR: Homeostatic Model Assessment of Insulin Resistance, an index derived from fasting glucose and insulin levels.
IRS/PI3K/Akt pathway: The intracellular cascade initiated by insulin binding, culminating in glucose transporter translocation and glucose uptake.
IκBα/NF-κB signalling: A pro-inflammatory pathway whereby IκBα degradation releases NF-κB to activate transcription of cytokine genes.
References
- Identification of genes specifically expressed in the accumulated visceral adipose tissue of OLETF rats. Journal of Lipid Research (2000).
- Association of Serum Vaspin Concentration with Metabolic Disorders in Obese Individuals. Biomolecules (2023).
- Overexpressing high levels of human vaspin limits high fat diet-induced obesity and enhances energy expenditure in a transgenic mouse. Frontiers in Endocrinology (2023).
- Effects of Vaspin on Insulin Resistance in Rats and Underlying Mechanisms. Scientific Reports (2018).
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