Mutation of the POU-domain gene Brn4/Pou3f4 affects middle-ear sound conduction in the mouse.

Abstract excerpt

Mutagenesis of the POU-domain gene Brn4/Pou3f4 causes defects in the cochlear duct, semicircular canal, temporal bone and stapes footplate. The footplate defect suggested a middle-ear conductive component to the hearing loss associated with this mutation. This was examined by measuring velocity transfer functions at the umbo of wild type and knockout mice during sound stimulation of the tympanic membrane. When...

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