The mouse notches up another success: understanding the causes of human vertebral malformation

The mouse notches up another success: understanding the causes of human vertebral malformation The defining characteristic of all vertebrates is a spine composed of a regular sequence of vertebrae. In humans, congenital spinal defects occur with an incidence of 0.5–1 per 1,000 live births and arise when the formation of vertebral precursors in the embryo is disrupted. These precursors (somites) form in a process (somitogenesis) in which each somite is progressively separated from an unsegmented precursor tissue. In the past decade the underlying genetic mechanisms driving this complex process have been dissected using animal models, revealing that it requires the coordinated action of at least 300 genes. Deletion of many of these genes in the mouse produces phenotypes with similar vertebral defects to those observed in human congenital abnormalities. This review highlights the role that such mouse models have played in the identification of the genetic causes of the malsegmentation syndrome spondylocostal dysostosis. Mammalian Genome Springer Journals

The mouse notches up another success: understanding the causes of human vertebral malformation

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Copyright © 2011 by Springer Science+Business Media, LLC
Life Sciences; Cell Biology; Anatomy; Zoology
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