ITGB2 and infection: After the resolution of infection, T-bet CD11c ABCs remained in the splenic marginal region with elevated expression levels of integrins, including LFA-1 (αLβ2, encoded by Itgal and Itgb2, respectively) and VLA-4 (α4β1, encoded by Itga4 and Itgb1, respectively) [22].