It appears Mother Nature’s idea of an April fools joke is a winter storm warning two weeks into spring. Borderland prepared for a forecasted 12-18 inches of fresh snowfall Monday evening ...

bacteria promote IgA 2 class switching in human B cells by triggering the release of APRIL ... by intestinal epithelial cells... Immunofluorescence staining of human colon tissue samples revealed ...

In April Nature Medicine, Siri Atma Greeley and colleagues from the University of Pennsylvania School of Medicine, USA show that elimination of maternally transmitted islet β cell–reactive ...

In the April Nature Immunology, researchers from The Wistar Institute, Philadelphia, describe a novel mechanism of thymic selection that is involved in the generation of CD4+CD25+ regulatory T ...