1. Paracentric inversions: a review

   • K. Madan

   Review Article Pages: 503 - 515

2. Susceptibility of heterochromatin to aphidicolin-induced chromosomal breakage

   • Ana M. Dominguez
   • Steven A. Smith
   • Ira F. Greenbaum

   Original Investigation Pages: 516 - 520

3. Evaluation of G-to-A substitution in the apolipoprotein A-I gene promoter as a determinant of high-density lipoprotein cholesterol level in subjects with and without cholesteryl ester transfer protein deficiency

   • Harukuni Akita
   • Hitoshi Chiba
   • Kunihiko Kobayashi

   Original Paper Pages: 521 - 526

4. Interaction between ABO blood groups and ADA genetic polymorphism during intrauterine life

   • Nazzareno Lucarini
   • Maria Nicotra
   • Egidio Bottini

   Original Investigation Pages: 527 - 531

5. A 100-kb physical and transcriptional map around the EDH17B2 gene: identification of three novel genes and a pseudogene of a human homologue of the rat PRL-1 tyrosine phosphatase

   • Marco Montagna
   • Olga Serova
   • Gilbert M. Lenoir

   Original Investigation Pages: 532 - 538

6. Complement component C3: molecular basis of the C3^*S025 variant and evidence for molecular heterogeneity of other variants

   • Thomas Höhler
   • Marina Botto
   • Karl-Hermann Meyer zum Büschenfelde

   Original Investigation Pages: 539 - 541

7. Neonatal screening for cystic fibrosis: result of a pilot study using both immunoreactive trypsinogen and cystic fibrosis gene mutation analyses

   • C. Férec
   • C. Verlingue
   • B. Mercier

   Original Investigation Pages: 542 - 548

8. A splicing mutation, a nonsense mutation (Y167X) and two missense mutations (I159T and A209V) in Spanish patients with ornithine transcarbamylase deficiency

   • Miguel Angel García-Pérez
   • Pablo Sanjurjo
   • Vicente Rubio

   Original Investigation Pages: 549 - 551

9. Influence of transcription and replication on the in situ resolution of immunoglobulin heavy-chain constant region genes: an interphase cytogenetics analysis

   • Margarida Telhada
   • Célia Carvalho
   • Leonor Parreira

   Original Investigation Pages: 552 - 561

10. DNA, FISH and complementation studies in ICF syndrome: DNA hypomethylation of repetitive and single copy loci and evidence for a trans acting factor

    • Simone Schuffenhauer
    • Oliver Bartsch
    • Rolf-Dieter Wegner

    Original Investigation Pages: 562 - 571

11. Asynchronous DNA replication between 15q11.2q12 homologs: cytogenetic evidence for maternal imprinting and delayed replication

    • M. S. Lin
    • A. Zhang
    • A. Fujimoto

    Original Investigation Pages: 572 - 576

12. Direct molecular analysis of the fragile X syndrome in a sample of Egyptian and German patients using non-radioactive PCR and Southern blot followed by chemiluminescent detection

    • Alice Abd El-Aleem
    • Ingolf Böhm
    • Manfred Stuhrmann

    Original Investigation Pages: 577 - 584

13. A de novo satellited short arm of the Y chromosome possibly resulting from an unstable translocation

    • Chen-Li Lin
    • Lisa Gibson
    • Teresa L. Yang-Feng

    Original Investigation Pages: 585 - 588

14. A sublocus of the multicopy microsatellite marker CMS1 maps proximal to spinal muscular atrophy (SMA) as shown by recombinant analysis

    • Gerrit van der Steege
    • Jan-Maarten Cobben
    • Charles H. C. M. Buys

    Original Investigation Pages: 589 - 591

15. Refined mapping of the psoriasin gene S100A7 to chromosome 1cen-q21

    • Anders D. Børglum
    • Tracey Flint
    • Torben A. Kruse

    Original Investigation Pages: 592 - 596

16. Association of apolipoprotein E but not B with Alzheimer's disease

    • S. E. Poduslo
    • D. Riggs
    • M. Mullan

    Original Investigation Pages: 597 - 600

17. A nonsense mutation in the cytochrome P450 CYP2D6 gene identified in a Caucasian with an enzyme deficiency

    • F. Broly
    • D. Marez
    • U. A. Meyer

    Original Investigation Pages: 601 - 603

18. Familial hemiplegic migraine locus on 19p13 is involved in the common forms of migraine with and without aura

    • Arne May
    • Roel A. Ophoff
    • Michel D. Ferrari

    Original Investigation Pages: 604 - 608

19. Protein-tyrosine phosphatase SH-PTP2 (PTPN11) is localized to 12q24.1–24.3

    • Ute Dechert
    • Alessandra M. V. Duncan
    • Frank R. Jirik

    Original Investigation Pages: 609 - 615

20. Human cDNA encoding the muscle isoform of the phosphorylase kinase γ subunit (PHKG1)

    • Michael Wehner
    • Manfred W. Kilimann

    Original Investigation Pages: 616 - 618

21. Single-cell PCR performed with neurofibroma Schwann cells reveals the presence of both alleles of the neurofibromatosis type 1 (NF1) gene

    • Markus Stark
    • Günter Assum
    • Winfrid Krone

    Short Communication Pages: 619 - 623

22. Huntington's disease in a Sudanese family from Khartoum

    • E. M. Scrimgeour
    • Y. Samman
    • D. J. H. Brock

    Clinical Case Report Pages: 624 - 625

23. Lack of a BglII site at the 5′ region of the PGK 1 locus: a new variant discovered in two Chibchan Amerindian groups from Costa Rica

    • Jorge Azofeifa
    • Ramiro Barrantes
    • Marion Cremer

    OriginalPaper Pages: 626 - 627

24. Announcements

    Announcement Pages: 628 - 628