Learn About Acrofacial Dysostosis Weyers Type

What is the definition of Acrofacial Dysostosis Weyers Type?

Weyers acrofacial dysostosis is a disorder that affects the development of the teeth, nails, and bones. Dental abnormalities can include small, peg-shaped teeth; fewer teeth than normal (hypodontia); and one front tooth instead of two (a single central incisor). Additionally, the lower jaw (mandible) may be abnormally shaped. People with Weyers acrofacial dysostosis have abnormally small or malformed fingernails and toenails. Most people with the condition are relatively short, and they may have extra fingers or toes (polydactyly).

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What are the causes of Acrofacial Dysostosis Weyers Type?

Most cases of Weyers acrofacial dysostosis result from mutations in the EVC2 gene. A mutation in a similar gene, EVC, has been found in at least one person with the characteristic features of the disorder. Little is known about the function of the EVC and EVC2 genes, although they appear to play important roles in cell-to-cell signaling during development. In particular, the proteins produced from these genes are thought to help regulate the Sonic Hedgehog signaling pathway. This pathway plays roles in cell growth, cell specialization, and the normal shaping (patterning) of many parts of the body.

How prevalent is Acrofacial Dysostosis Weyers Type?

Weyers acrofacial dysostosis appears to be a rare disorder. Only a few affected families have been identified worldwide.

Is Acrofacial Dysostosis Weyers Type an inherited disorder?

Weyers acrofacial dysostosis is inherited in an autosomal dominant pattern, which means one copy of the altered EVC or EVC2 gene in each cell is sufficient to cause the disorder. In most cases, an affected person inherits the altered gene from a parent who has the condition.

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Who are the sources who wrote this article ?

Published Date: December 01, 2012Published By: National Institutes of Health

What are the Latest Advances for Acrofacial Dysostosis Weyers Type?

There is no recent research available for this condition. Please check back because thousands of new papers are published every week and we strive to find and display the most recent relevant research as soon as it is available.