The gene was switched back on later because it is needed to form the intestinal tissues.
The most likely cause is an immune reaction the body has against its own intestinal tissue.
Both procedures can be used to take a sample (biopsy) of intestinal tissue.
They replenish special cells, but also maintain the blood, skin and intestinal tissues.
The cells becoming malignant "were in the middle of the tumor removed from the Pope and had not yet infiltrated the intestinal tissue," he said.
Necrosis or death of intestinal tissue may follow.
For one, intestinal tissue is designed to absorb, not excrete.
Small intestinal tissue was sectioned at 4 μm and immobilised on slides.
It has long been known that intestinal microorganisms are important for the development of intestinal tissues.
This causes inflammation in the lungs, intestinal tissue, and any place that the bacteria have colonized.