Condition 101 About Muenke Syndrome

What is the definition of Muenke Syndrome?

Muenke syndrome is a condition characterized by the premature closure of certain bones of the skull (craniosynostosis) during development, which affects the shape of the head and face.

Many people with this disorder have a premature fusion of skull bones along the coronal suture, the growth line that goes over the head from ear to ear. Other parts of the skull may also be malformed. These changes can result in an abnormally shaped head, wide-set eyes, and flattened cheekbones. About 5 percent of affected individuals have an enlarged head (macrocephaly). People with Muenke syndrome may also have mild abnormalities of the hands or feet, and hearing loss has been observed in some cases. Most people with this condition have normal intellect, but developmental delay and learning problems are possible.

The signs and symptoms of Muenke syndrome vary among affected people, and some features overlap with those seen in other craniosynostosis syndromes. A small percentage of people with the gene mutation associated with Muenke syndrome do not have any of the characteristic features of the disorder.

What are the causes for Muenke Syndrome?

A particular mutation in the FGFR3 gene causes Muenke syndrome. The FGFR3 gene provides instructions for making a protein that is involved in the development and maintenance of bone and brain tissue. The mutation associated with Muenke syndrome causes the FGFR3 protein to be overly active, which interferes with normal bone growth and allows the bones of the skull to fuse before they should.

How prevalent is Muenke Syndrome?

Muenke syndrome occurs in about 1 in 30,000 newborns. This condition accounts for an estimated 4 percent of all cases of craniosynostosis.

Is Muenke Syndrome an inherited disorder?

This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder.

Latest Advances On Muenke Syndrome

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Clinical Trials For Muenke Syndrome

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