Other Names for this Disease
- Anderson-Warburg syndrome
- Atrophia bulborum hereditaria
- Episkopi blindness
- Fetal iritis syndrome
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Norrie disease is caused by a change (mutation) in the NDP gene, which is located on the X chromosome. It is inherited in an X-linked recessive manner. The NDP gene provides instructions for making a protein called norrin, which affects the way cells and tissues develop. In particular, the norrin protein seems to play an important role in the development of retinal cells in the eye. It is also involved in creating a blood supply to tissues of the retina and the inner ear, and the development of other body systems. Mutations in the NDP gene can prevent the norrin protein from working correctly, resulting in the signs and symptoms of Norrie disease.
Last updated: 11/30/2010
- Norrie disease. Genetics Home Reference. March 2007; http://ghr.nlm.nih.gov/condition/norrie-disease. Accessed 11/29/2010.