Contents. List of Contributors. Preface (D. LeRoith and C. Bondy). Interleukin-2 (M.T. Lotze). Interleukin-3 (J.W. Schrader). Interleukin-4 (J. Banchereau and S. Saeland). Interleukin-5 (K. Takatsu, R.R. Dickason, and D.P. Huston). Interleukin-6 (C. Lai and H. Baumann). The Role of Interleukin-7 (IL-7) in the Generation and Regulation of Immune Responses (D.H. Lynch). The Biological, Biochemical, and Molecular Profile of Leukocyte Chemotactic and Activating Cytokine, Interleukin-8 (A. Harada, M. Mukaida, and K. Matsushima). Interleukin-10 (A.H. Enk). The Interleukin-2 Receptor (M.A. Goldsmith and W. C. Greene).