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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Isolation, characterization, and mapping of the mouse and human WDR8 genes, members of a novel WD-repeat gene family.

The Trp-Asp ( WD) motif has been shown to exist in a number of proteins. Genes containing repeats of the WD motif compose a large gene family associated with a variety of cellular functions and can be divided into a number of functional subfamilies. By means of the differential display method using ttw, a mouse model for the early stage of ectopic ossification, we have identified a novel mouse gene, Wdr8 ( WD repeat domain 8), which contains two WD repeats, together with its human orthologue. The human and mouse WDR8 genes encode 460 and 462 amino acids, respectively, with 89% identity, and are expressed in almost all tissues, including bone and cartilage, and in bone-forming cells, including osteoblasts and chondrocytes. Wdr8 expression in cartilage was differentially displayed by stimuli for ectopic ossification in ttw and was observed strongly only at a transition period from hypertrophic to mineralizing stages in ATDC5, a chondrogenic cell line that exhibits endochondral ossification, suggesting a potential role for Wdr8 in the process of ossification. The WDR8 protein is highly conserved among a variety of species, but is distinctly different from other WD-repeat proteins, indicating that it represents a novel subfamily of the WD-repeat gene family.[1]

References

  1. Isolation, characterization, and mapping of the mouse and human WDR8 genes, members of a novel WD-repeat gene family. Koshizuka, Y., Ikegawa, S., Sano, M., Nakamura, K., Nakamura, Y. Genomics (2001) [Pubmed]
 
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