Intestinal epithelial cells (IECs) are more than a passive barrier; they serve as non-professional antigen-presenting cells by expressing major histocompatibility complex class II (MHC class II) ...
Which came first, MHC class I or MHC class II? For decades, it has been debated which of these two similar classes came first in evolution. Now, Keiichiro Hashimoto and his group at Fujita Health ...