Light shed on vision and hearing disorders

December 16, 2002

These three proteins were previously known to be involved in the disease, but mutations in them had only been found in separate groups of patients. In this report, the team of Christine Petit demonstrates that these proteins function together to shape and maintain highly specialized structures at the tips of the sensory cells of the inner ear. It is precisely these structures that are essential for hearing, but which are defective in patients with Usher Syndrome.

Batiste Boeda, Aziz El-Amraoui, Amel Bahloul, Richard Goodyear, Laurent Daviet, Stephane Blanchard, Isabelle Perfettini, Karl R.Fath, Spencer Shorte, Jan Reiners, Anne Houdusse, Pierre Legrain, Uwe Wolfrum, Guy Richardson and Christine Petit Myosin VIIa, harmonin, and cadherin 23, three Usher I gene products cooperate to shape the sensory hair cell bundle EMBO Journal 21(24):6689-6699 (2002).
For full article (PDF contact):

Contact: Dr Christine Petit, tel +33 1 4568 8850/8890, fax +33 1 4567 6978, e-mail

European Molecular Biology Laboratory

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