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Can targeting ANGPTL proteins improve glucose tolerance?
1Department of Biochemistry, Fraternal Order of Eagles Diabetes Research Center, and Obesity Research and Education Initiative, University of Iowa Carver College of Medicine, 169 Newton Rd, Iowa City, IA, 52242, USA. Brandon-davies@uiowa.edu.
Reducing angiopoietin-like 4 (ANGPTL4) and angiopoietin-like 8 (ANGPTL8) levels improves glucose tolerance and increases fat mass. This suggests targeting ANGPTL proteins may benefit metabolic health.
Area of Science:
- Metabolic research
- Endocrinology
- Cardiovascular science
Background:
- Angiopoietin-like (ANGPTL) proteins ANGPTL3, ANGPTL4, and ANGPTL8 regulate plasma triacylglycerol levels.
- These ANGPTL proteins are emerging as therapeutic targets for reducing plasma triacylglycerol and improving cardiovascular health.
Purpose of the Study:
- To investigate the effects of reducing ANGPTL4 and ANGPTL8 levels on glucose tolerance.
- To explore the relationship between ANGPTL protein levels, lipid metabolism, and glucose homeostasis.
Main Methods:
- Studies conducted in rodent models.
- Evaluation of ANGPTL4 and ANGPTL8 levels.
- Assessment of glucose tolerance and body composition (fat mass).
Main Results:
- Reduced ANGPTL4 levels were associated with improved glucose tolerance in rodents.
- Reduced ANGPTL8 levels also improved glucose tolerance in rodents.
- Improvements in glucose tolerance in both studies were accompanied by an increase in fat mass.
Conclusions:
- Therapeutic strategies targeting ANGPTL4 and ANGPTL8 may offer benefits beyond lipid reduction, including improved glucose tolerance.
- Shunting lipids towards adipose tissue, away from ectopic sites, appears beneficial for metabolic health.
- These findings support the pursuit of ANGPTL proteins as therapeutic targets for metabolic and cardiovascular diseases.
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