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Mesoporous silica with precisely controlled pores reduces food efficiency and suppresses weight gain in mice
Mia Rinde1, Natalia Kupferschmidt1, Muhammad Naeem Iqbal2
1Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91, Stockholm, Sweden.
Abstract:
Aim: Obesity is a risk factor for cardiovascular disease and diabetes. We aimed to elucidate the effects of distinct mesoporous silica particles (MSPs) supplemented in food on metabolic parameters in obesity. Materials & methods: MSPs with precisely controlled pore size were synthesized, characterized and compared with a control in a C57Bl/6 mouse diet-induced obesity model, studying weight, adiposity, metabolic regulation and food efficiency. Results: The most effective MSPs reduced adipose tissue formation to 6.5 ± 0.5 g compared with 9.4 ± 1.2 g, leptin levels nearly halved from 32.8 ± 7.4 to 16.9 ± 1.9 ng/ml and a 33% reduction of food efficiency. Control MSP showed no effects. Conclusion: Results demonstrate potential of distinct MSPs to improve metabolic risk factors. Further studies investigating mechanism of action and confirming human safety are needed.
Insights
Certain mesoporous silica particles (MSPs) effectively reduced obesity and improved metabolic health in mice. These findings suggest MSPs could be a novel therapeutic strategy for metabolic disorders.
Area of Science:
- Materials Science
- Biomedical Engineering
- Nanotechnology
Background:
- Obesity is a significant risk factor for cardiovascular disease and diabetes.
- Metabolic dysregulation associated with obesity requires novel therapeutic interventions.
- Mesoporous silica particles (MSPs) offer tunable properties for potential biomedical applications.
Purpose of the Study:
- To investigate the impact of distinct mesoporous silica particles (MSPs) on metabolic parameters in a diet-induced obesity mouse model.
- To determine if MSPs, when supplemented in food, can modulate weight, adiposity, and key metabolic markers.
- To compare the efficacy of different MSPs with controlled pore sizes in mitigating obesity-related health issues.
Main Methods:
- Synthesis and characterization of MSPs with precisely controlled pore sizes.
- Administration of MSPs via diet to C57Bl/6 mice fed a high-fat diet to induce obesity.
- Assessment of body weight, adipose tissue mass, leptin levels, and food efficiency in MSP-treated and control groups.
Main Results:
- The most effective MSPs significantly reduced adipose tissue formation (6.5 ± 0.5 g vs. 9.4 ± 1.2 g in controls).
- Leptin levels were nearly halved in mice treated with effective MSPs (16.9 ± 1.9 ng/ml vs. 32.8 ± 7.4 ng/ml).
- A 33% reduction in food efficiency was observed with the most effective MSPs, while control MSPs showed no significant effects.
Conclusions:
- Distinct mesoporous silica particles demonstrate potential in improving metabolic risk factors associated with obesity.
- The study highlights the therapeutic promise of specifically engineered MSPs for metabolic health.
- Further research is warranted to elucidate the mechanism of action and confirm the safety of MSPs for human application.
