1. Differential MHC expression requirements for positive selection of separate TCR Vb families

   • N. Brenden
   • Jan Böhme

   ORIGINAL PAPER Pages: 1 - 6

2. The allotypic patchwork pattern of the rabbit IGKC1 allele b5wf: genic exchange or common ancestry?

   • W. van der Loo
   • Florence Mougel
   • Monnique Monnerot

   ORIGINAL PAPER Pages: 7 - 14

3. Sequences and evolution of mammalian RH gene transcripts and proteins

   • P.-A. Apoil
   • A. Blancher

   ORIGINAL PAPER Pages: 15 - 25

4. Promoter sequence, exon:intron structure, and synteny of genetic location show that a chicken cytokine with T-cell proliferative activity is IL2 and not IL15

   • P. Kaiser
   • Paola Mariani

   ORIGINAL PAPER Pages: 26 - 35

5. Human collagen II peptide 256–271 preferentially binds to HLA-DR molecules associated with susceptibility to rheumatoid arthritis

   • Bader-Yassine Diab
   • Nathalie C. Lambert
   • H. Coppin

   ORIGINAL PAPER Pages: 36 - 44

6. Sheep CD4⁺αβ T cells express novel members of the T19 multigene family

   • Meredith A. O'Keeffe
   • S. A. Metcalfe
   • I. D. Walker

   ORIGINAL PAPER Pages: 45 - 55

7. A long form of the skate IgX gene exhibits a striking resemblance to the new shark IgW and IgNARC genes

   • Michele K. Anderson
   • Scott J. Strong
   • G. W. Litman

   ORIGINAL PAPER Pages: 56 - 67

8. A chicken homologue of the co-stimulating molecule CD80 which binds to mammalian CTLA-4

   • Michelle N. O'Regan
   • Keith. R. Parsons
   • J. R. Young

   BRIEF COMMUNICATION Pages: 68 - 71

9. Pig Lmp7 proteasome subunit cDNA cloning and expression analysis

   • Taehoon Chun
   • Evan Hermel
   • H. R. Gaskins

   BRIEF COMMUNICATION Pages: 72 - 77