Research published in the journal Nature Metabolis showed that bacteria were present in the blood, but also in the liver or fat deposits of people with type 2 diabetes, other than in the tissues and blood of those not affected by the disease. Medical Xpress.
Samples were taken from 40 patients, all severely obese, who underwent bariatric surgery, an operation during which portions of the stomach and small intestine are removed to induce weight loss.
Half of the study participants had type 2 diabetes, while the other half had insulin resistance but no disease.
“Our findings suggest that in people with severe obesity, bacteria or fragments of bacteria are associated with the development of type 2 diabetes,” said Andre Marette, a professor at Laval University.
It is believed that the bacteria responsible for diabetes leave the intestines. “Our hypothesis is that living bacteria and bacterial fragments cross this barrier and start an inflammatory process that ultimately prevents insulin from doing its job, which is to regulate blood sugar levels by acting on metabolic tissues,” he said. the scientist.
He said his team will focus in the future on accurately identifying the bacteria that can trigger type 2 diabetes.
He also said that this discovery opens the possibility of finding new treatments by identifying probiotics to combat diabetes.
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