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A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
Published on: February 28, 2013
[Prevention of type 2 diabetes and its complications]
1Service de Diabétologie, Nutrition et Maladies métaboliques, CHU Liège, ULiège, Belgique.
Abstract:
Type 2 diabetes (T2D) represents a major medical and public health problem. The ability to prevent or delay T2D by modifying some of its risk factors has been hypothesized for several decades. Indeed, the slow and gradual deterioration of glycaemia prior to the diabetes diagnosis constitutes a period during which interventions could be effective in preventing T2D. Lifestyle modifications demonstrated that modest weight loss (at least 7% of initial weight) and moderate to intense physical activity of at least 150 minutes per week, markedly and significantly delayed the onset of T2D in subjects at high risk of developing the disease. Pharmacological interventions indicated that metformin should be considered, particularly in young patients (< 60 years) with a body mass index ≥ 35 kg/m², and in women with a history of gestational diabetes. Bariatric surgery, which allows significant weight loss in subjects with severe or morbid obesity, has also demonstrated important preventive effectiveness and metabolic surgery in now considered in at-risk patients with less severe obesity. In conclusion, in overweight or obese adults at high risk of developing T2D, treatment aimed at losing weight (including bariatric surgery) and increasing physical activity should be implemented, and a pharmacotherapy might be considered case by case.
Insights
Preventing type 2 diabetes (T2D) is possible through lifestyle changes like weight loss and exercise. Medications like metformin and bariatric surgery are also effective for high-risk individuals.
Area of Science:
- Endocrinology
- Public Health
- Preventive Medicine
Background:
- Type 2 diabetes (T2D) poses a significant global health challenge.
- Early intervention during pre-diabetic stages can prevent T2D onset.
- Identifying modifiable risk factors is crucial for T2D prevention strategies.
Purpose of the Study:
- To review evidence-based strategies for preventing or delaying type 2 diabetes.
- To evaluate the effectiveness of lifestyle modifications, pharmacotherapy, and bariatric surgery in T2D prevention.
Main Methods:
- Review of studies on lifestyle interventions (weight loss, physical activity).
- Analysis of clinical trial data on pharmacological agents (metformin).
- Assessment of bariatric surgery outcomes for T2D prevention in obese populations.
Main Results:
- Lifestyle modifications, including 7% weight loss and 150 minutes/week of physical activity, significantly delay T2D onset.
- Metformin is recommended for younger, obese individuals and women with a history of gestational diabetes.
- Bariatric surgery shows high preventive effectiveness, with metabolic surgery now considered for less severe obesity.
Conclusions:
- Weight loss interventions (including bariatric surgery) and increased physical activity are recommended for overweight/obese adults at high risk for T2D.
- Pharmacotherapy should be considered on a case-by-case basis.
- A multi-faceted approach combining lifestyle and, when appropriate, medical interventions is key to T2D prevention.
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