1. Prospects for the genetics of human longevity

   • François Schächter
   • Daniel Cohen
   • Tom Kirkwood

   Review Article Pages: 519 - 526

2. Evidence for linkage of the gene causing familial Mediterranean fever to chromosome 17q in non-Ashkenazi Jewish families: second locus or type I error?

   • Ivona Aksentijevich
   • Luis Gruberg
   • Daniel L. Kastner

   Original Investigations Pages: 527 - 534

3. Localisation of the human nuclear factor I/X (NFI/X) gene to chromosome 19p13 and detection of five other related loci at 1p21-22, 1q42-43, 5q15, 11p13 and 20q13 by FISH

   • C. Seisenberger
   • E. -L. Winnacker
   • H. Scherthan

   Original Investigations Pages: 535 - 537

4. Hypomethylation of classical satellite DNA and chromosome instability in lymphoblastoid cell lines

   • Anna Almeida
   • Nadja Kokalj-Vokac
   • Bernard Malfoy

   Original Investigations Pages: 538 - 546

5. Age-related nonrandom chromosomal abnormalities in human low-grade astrocytomas

   • Gundula Thiel
   • Tanka Lozanova
   • Regine Witkowski

   Original Investigations Pages: 547 - 550

6. Sex chromosome aberrations and stature: deduction of the principal factors involved in the determination of adult height

   • Tsutomu Ogata
   • Nobutake Matsuo

   Original Investigations Pages: 551 - 562

7. Polyploidies in abortion material decrease with maternal age

   • Miriam Neuber
   • Helga Rehder
   • Eberhard Schwinger

   Original Investigations Pages: 563 - 566

8. Rapid detection of trisomy 21 by quantitative PCR

   • Ferdinand von Eggeling
   • Michael Freytag
   • Uwe Claussen

   Original Investigations Pages: 567 - 570

9. New markers for linkage analysis of X-linked hypophosphataemic rickets

   • P. S. N. Rowe
   • J. Goulding
   • J. L. H. O'Riordan

   Original Investigations Pages: 571 - 575

10. Evidence for involvement of a second genetic locus on chromosome 11q in porphyrin metabolism

    • B. Norton
    • W. G. Lanyon
    • J. M. Connor

    Original Investigations Pages: 576 - 578

11. Differential contribution of C4 and HLA-DQ genes to systemic lupus erythematosus susceptibility

    • Dolores De Juan
    • José M. Martín-Villa
    • Antonio Arnaiz-Villena

    Original Investigations Pages: 579 - 584

12. Regional chromosomal assignment of the Kell blood group locus (KEL) to chromosome 7q33-q35 by fluorescence in situ hybridization: evidence for the polypeptide nature of antigenic variation

    • Margo T. Murphy
    • Norma Morrison
    • Elizabeth Boyd

    Original Investigations Pages: 585 - 588

13. Clinical findings in patients with marker chromosomes identified by fluorescence in situ hybridization

    • Rina Plattner
    • Nyla A. Heerema
    • Catherine G. Palmer

    Original Investigations Pages: 589 - 598

14. Exon skipping due to a mutation in a donor splice site in the WT-1 gene is associated with Wilms' tumor and severe genital malformations

    • Susanne Schneider
    • Gabi Wildhardt
    • Brigitte Royer-Pokora

    Original Investigations Pages: 599 - 604

15. Isolation and mapping of discrete DXS101 loci in Xq22 near the X-linked agammaglobulinaemia gene locus

    • Marie-Anne J. O'Reilly
    • Angela K. Sweatman
    • Christine Kinnon

    Short Communications Pages: 605 - 608

16. Icelandic families with autosomal dominant polycystic kidney disease: families unlinked to chromosome 16p13.3 revealed by linkage analysis

    • Ragnheiður Fossdal
    • Magnus Böðarsson
    • Ólafur Jensson

    Short Communications Pages: 609 - 613

17. CF2603/4delT, a new frameshift mutation in exon 13 of the cystic fibrosis transmembrane conductance regulator (CFTR) gene

    • Begoña Ezquieta
    • Jesús Molano

    OriginalPaper Pages: 614 - 615

18. A polymorphic CfoI site in exon 6 of the human cytochrome P450 CYP2D6 gene detected by the polymerase chain reaction

    • Martin Armstrong
    • Jeffrey R. Idle
    • Ann K. Daly

    OriginalPaper Pages: 616 - 617

19. Announcements

    Announcement Pages: 618 - 618