Regular exercise helps prevent and delay the development of type 2 diabetes and its complications.
In a study from Karolinska Institutet and elsewhere, scientists found that people with type 2 diabetes respond differently to exercise.
People with type 2 diabetes typically have a dysregulated inflammatory response in multiple tissues, which is associated with complications of the disease such as insulin resistance and cardiovascular diseases.
In this study, the researchers found a fundamental role for exercise-responsive cytokines, exerkines, on skeletal muscle development and growth in people with normal glucose tolerance or type 2 diabetes.
They found in people with type 2 diabetes, an acute bout of exercise activates the immune system in a manner that is distinct and enhanced compared to healthy volunteers.
Untrained men diagnosed with type 2 diabetes were recruited together with healthy volunteers of similar age and body weight.
The volunteers were asked to perform a single bout of exercise on a cycle ergometer. The research team collected blood and skeletal muscle biopsies in which they measured the response to exercise.
The researchers found that several cytokines, molecules produced by the immune system in response to stress, were produced in the skeletal muscle of individuals with type 2 diabetes.
The effect of those cytokines was tested in cells in culture to determine whether those molecules affect the way skeletal muscle cells react to exercise.
The team says given the health-promoting effects of regular physical exercise on metabolism and skeletal muscle function, the exacerbated inflammatory response in people with type 2 diabetes is likely a beneficial response to acute exercise.
Activation of the immune system will likely decrease if exercise is repeated regularly during training regimens.
Reduced inflammation would be beneficial for glucose control and to mitigate the complications associated with type 2 diabetes.
If you care about diabetes, please read studies about a cure for type 2 diabetes, and these vegetables could protect against kidney damage in diabetes.
For more information about nutrition, please see recent studies that vitamin D could improve blood pressure in people with diabetes, and results showing Mediterranean diet could help reduce the diabetes risk by 30%.
The study was conducted by Professor Juleen R. Zierath et al and published in Science Advances.
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