PathwayStep6668 PathwayStep7041 PathwayStep7247 Cytokine Signaling in Immune system Innate Immune System Adaptive Immune System Immune System Authored: de Bono, B, Gillespie, ME, Luo, F, Ouwehand, W.H., 2006-03-30 04:06:59 Humans are exposed to millions of potential pathogens daily, through contact, ingestion, and inhalation. Our ability to avoid infection depends on the adaptive immune system and during the first critical hours and days of exposure to a new pathogen, our innate immune system. Immune System signaling Reactome Database ID Release 43168256 Reactome, http://www.reactome.org ReactomeREACT_6900 Reviewed: D'Eustachio, P, Gay, NJ, Gale M, Jr, Zwaginga, JJ, 2006-04-19 04:09:58 Signaling in Immune system