The International Journal of Developmental Biology

Int. J. Dev. Biol. 46: 89 - 96 (2002)

Vol 46, Issue 1

Special Issue: Developmental Biology in Switzerland

Chromosome 21: a small land of fascinating disorders with unknown pathophysiology

Published: 1 January 2002

Stylianos E Antonarakis, Robert Lyle, Samuel Deutsch and Alexandre Reymond

Division of Medical Genetics, University of Geneva Medical School and University Hospitals, Switzerland. Stylianos.Antonarakis@medecine.unige.ch

Abstract

In the year 2000 we celebrated the sequencing of the entire long arm of human chromosome 21. This achievement now provides unprecedented opportunities to understand the molecular pathophysiology of trisomy 21, elucidate the mechanisms of all monogenic disorders of chromosome 21, and discover genes and functional sequence variations that predispose to common complex disorders. All of that requires the functional analysis of gene products in model organisms, and the determination of the sequence variation of this chromosome.

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