The Second Edition of The Cytokine FactsBook has been completely revised, updated and expanded by over 100%. It is the most up-to-date reference manual for all well-characterised interleukins, cytokines and their receptors. Introductory chapters provide background information on the Cytokine Network and Cytokine Receptor Superfamilies. This is followed by over 100 comprehensive individual entries covering each cytokine/chemokine/growth factor. Information is also provided on Cytokine Standards and Protein Sequence Retrieval Database Servers, and Mouse Knockout Databases.