1. In memoriam: Paul Klein

   Pages: 1 - 1

2. Importance of receptor binding in the immunogenicity, adjuvanticity and therapeutic properties of cholera toxin and Escherichia coli heat-labile enterotoxin

   • T. O. Nashar
   • N. A. Williams
   • T. R. Hirst

   REVIEW Pages: 3 - 10

3. Balance of proinflammatory and antiinflammatory cytokines in mice immunized with Escherichia coli and correlation with mortality after lethal challenge

   • G. Raponi
   • Maria Cristina Ghezzi
   • Carlo Mancini

   ORIGINAL INVESTIGATION Pages: 11 - 16

4. Proliferation and MHC-unrestricted bystander lysis by virus-specific cytotoxic T cells following antigen self-presentation

   • Martin S. Staege
   • Rafaela Holtappels
   • A. B. Reske-Kunz

   ORIGINAL INVESTIGATION Pages: 17 - 21

5. Identification and localization of Chlamydia pneumoniae in the Alzheimer's brain

   • Brian J. Balin
   • Hervé C. Gérard
   • A. P. Hudson

   ORIGINAL INVESTIGATION Pages: 23 - 42

6. Role of curdlan sulfate in the production of ,-chemokines and interleukin-16

   • Toshio Naito
   • Nanako Takeda-Hirokawa
   • Yutaro Kaneko

   ORIGINAL INVESTIGATION Pages: 43 - 48

7. Expression of CTLA-4 (CD152) on human medullary CD4⁺ thymocytes

   • J. Castan
   • Ulricke Klauenberg
   • B. M. Bröker

   ORIGINAL INVESTIGATION Pages: 49 - 52

8. Wortmannin blocks Yersinia invasin-triggered internalization, but not interleukin-8 production by epithelial cells

   • R. Schulte
   • Robert Zumbihl
   • Ingo B. Autenrieth

   ORIGINAL INVESTIGATION Pages: 53 - 60