White blood cells in the GI tract known as intraepithelial lymphocytes express the gamma delta T cell receptor (gamma delta IELs), which prevent infection and provide surveillance for the ...

Certain immune cells called gamma delta IELs (intraepithelial lymphocytes)protect the gut, but they are often lower in people with active Crohn’s disease. Gamma delta IELs(intraepithelial ...