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Assessing Whole-Body Lipid-Handling Capacity in Mice
Published on: November 24, 2020
Inflammatory serum proteome pattern in mice fed a high-fat diet
Elisabetta Gianazza1, Cristina Sensi, Ivano Eberini
1Gruppo di Studio per la Proteomica e la Struttura delle Proteine, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, via G. Balzaretti 9, 20133 Milan, Italy. elisabetta.gianazza@unimi.it
Amino Acids
|December 11, 2012
Summary
A high-fat diet significantly altered mouse serum protein patterns, increasing inflammatory markers like haptoglobin and hemopexin. This suggests a strong link between diet-induced hyperlipidemia and inflammation, impacting cardiovascular health.
Area of Science:
- Biochemistry
- Proteomics
- Animal Models
Background:
- Diet significantly impacts physiological processes.
- Hyperlipidemia is a risk factor for cardiovascular disease.
- Inflammation plays a role in cardiovascular complications.
Purpose of the Study:
- To investigate the effects of a high-fat diet on serum protein profiles in mice.
- To identify specific proteins affected by dietary lipid intake.
- To explore the relationship between diet-induced hyperlipidemia and inflammation.
Main Methods:
- Mice were fed either a control or high-fat diet for 8 weeks.
- Serum samples were collected and analyzed using two-dimensional gel electrophoresis (2-DE).
- Changes in protein concentration and expression were quantified.
Main Results:
- High-fat diet consumption led to significant up-regulation of acute-phase proteins, including haptoglobin and hemopexin.
- Most major serum proteins showed altered concentrations, indicating a systemic inflammatory response.
- Carboxylesterase N concentration increased substantially, a finding not previously linked to lipid metabolism.
Conclusions:
- Diet-induced hyperlipidemia in mice triggers a pronounced inflammatory state.
- These findings support the connection between diet, hyperlipidemia, and inflammation relevant to human cardiovascular disease.
- The study highlights carboxylesterase N as a potential biomarker in diet-related inflammatory conditions.
