In the human intestine, scientists have discovered the ability to immune defense against cancer. According to a study published in the journal Nature Medicine, the role of the gut is due to the influence of a healthy microbiome in protecting the immune system.

The authors of the study proved that the presence of three types of bacteria in the intestine - Bifidobacterium pseudocatenulatum, Roseburia and Akkermansia muciniphila - increases the effectiveness of the immune response in the fight against cancer cells.

The scientists also managed to find out that the microbiome of the lower esophagus, consisting of a set of microorganisms, is subject to large changes depending on the diet, exposure to probiotics; it is also influenced by the human constitution and other factors.

Understanding how the microbiome works for the immune system will allow physicians to better control and adjust therapy.