Human Molecular Genetics, 2002, Vol. 11, No. 20 2385-2393
© 2002 Oxford University Press
Molecular genetics of too much bone
Department of Medical Genetics, University of Antwerp, 2610 Antwerp, Belgium
Received July 1, 2002; Accepted July 24, 2002
Bone remodelling is an important process both throughout growth and in adult life. The homeostasis of bone tissue is maintained by the balanced processes of bone resorption and formation. Imbalance can give rise to a broad spectrum of skeletal pathologies, of which osteoporosis, characterized by a decrease in bone density leading to increased fracture risk, is the best known because of its high prevalence and consequently high socio-economic impact. At the opposite end of the spectrum, several genetic conditions displaying too much bone are situated. Mainly because of their monogenic naturein contrast to the multifactorial character of osteoporosisthe underlying molecular genetic causes for several of these conditions have been revealed recently. In this review, the most important gene identifications of the last years and their impact on the understanding of bone biology are discussed.
* To whom correspondence should be addressed at: Department of Medical Genetics, University of Antwerp, Universiteitsplein 1, 2610 Antwerp, Belgium. Tel: +32 38202585; Fax: +32 38202566; Email: vhul{at}uia.ua.ac.be
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