1. Contrasting Roles of IL-2 and IL-15 in the Life and Death of Lymphocytes 
Thomas A. Waldmann, Sigrid Dubois, Yutaka Tagaya 
Immunity 
Volume 14, Issue 2, Pages (February 2001)
DOI: /S (01)

2. Figure 1
Diagrammatic Model Outlining the Distinct Roles Played by IL-2 and IL-15 in the Life and Death of T Cells
IL-2 is required for AICD involved in peripheral tolerance to self-antigen whereas IL-15 inhibits this process. In addition, IL-15 supports whereas IL-2 inhibits the survival of memory phenotype CD8+ T cells
Immunity  , DOI: ( /S (01) )