... Julia Vieira de Ribeiro for critical reading and theNational Health and Medical Research Council of Australia for a postgraduate scholarship to DMTY and grants to MDG and GWM. TWY and NAN holdAustralian ... cells in the gastroin-testinal tract, skin, lymph node, spleen, liver and lung,as well as in pancreatic acinar cells, adrenal gland,spermatogonia and spermatids of testis, and in Pur-kinje ... Cell-surface CD26 ⁄ DPIV interacts with adenosine deaminase,CARMA-1 and caveolin-1. Stimulation of CD26 causes IRAK-1 and Toll-interacting protein to disengage from caveolin-1, resulting in the...