BB. Reviews on Cancer Vol. 1114, 1992 Cumulative Contents Announcement from the Publisher An overview of membrane, cytosolic and nuclear proteins associated with the expression of re- sistance to multiple drugs in vitro Information for Contributors S. MClean and B.T. Hill (UK) The functions of Myc proteins The Rel family: models for transcriptional regula- A. Meichle, A. Philipp and M. Eilers (Germany) tion and oncogenic transformation Glycogen synthase kinase-3: functions in oncoge- H.R. Bose, Jr. (USA) nesis and development The human T-Cell leukemia virus (HTLV) trans- S.E. Plyte, K. Hughes, E. Nikolakaki, B.J. Pul- activator (Tax) protein verer and J.R. Woodgett (UK) J. Sodroski (USA) The Interleukin-2 receptors: insights into a com- Molecular mimicry of erythropoietin by the spleen plex signalling mechanism focus-forming virus gp55 glycoprotein: the first Y. Minami, T. Kono, K. Yamada and T. stage of Friend virus-induced erythroleukemia Taniguchi (Japan) A.D. D’Andrea, J.-F. Moreau and M.O. Showers Oncoprotein phosphorylation and cell cycle con- (USA) trol Molecular cytogenetics of human neuroblastoma J.Y.J. Wang (USA) M. Schwab (Germany) Hematopoietic stem cell gene replacement ther- v-erb A, nuclear hormone receptors, and oncoge- apy nesis J.C. Krauss (USA) M.L. Privalsky (USA) Genes and functions: trapping and targeting in Great expectations: protein tyrosine phospha- embryonic stem cells tases in cell regulation W.S. Pascoe, R. Kemler and S.A. Wood D.L. Brautigan (USA) (Germany) Transcriptional regulators of Drosophila embryo- Mechanisms of human T-cell leukemia virus-in- genesis duced leukemogenesis D. Read and J.L. Manley (USA) G. Feuer and I.S.Y. Chen (USA) Regulation of proto-oncogene mRNA stability Cumulative Contents, Vol. 1114 S.C. Schiavi, J.G. Belasco and M.E. Greenberg (USA) Author Index