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Florent Ginhoux reflects on a 2002 paper by Merad and colleagues that challenged the dogma that adult Langerhans cells arise from blood-circulating precursors.
Richard Locksley describes a 2004 study by Margaret McFall-Ngai and colleagues that showed the role of bacterial pattern recognition in driving tissue homeostasis and function.
Ashley Moffett describes a 1995 paper by Colonna and Samaridis that provided the stimulus to understanding the link between NK cells and pre-eclampsia.
Jonathan Sprent describes a 1968 study by Graham Mitchell and Jacques Miller that showed the requirement for T cell–B cell collaboration for antibody production.
Graham Anderson describes a 2001 study by Rodewald and colleagues that provided the first experimental evidence for thymic epithelial cell progenitors.
Linda Sherman describes a 1991 study by Hans-Georg Rammensee and colleagues that defines allele-specific motifs required for the binding of peptides to MHC molecules.