Two ENU-Induced Alleles of Atp2b2 Cause Deafness in Mice. e67479

Two ENU-Induced Alleles of Atp2b2 Cause Deafness in Mice. e67479

Over 120 loci are known to cause inherited hearing loss in humans. The deafness gene has been identified for only half of these loci. With the aim of identifying some of the remaining deafness genes, we performed an ethylnitrosourea mutagenesis screen for deaf mice. We isolated two mutants with semi...

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Veröffentlicht in:PloS one 2013-06, Vol.8 (6)
Hauptverfasser: Carpinelli, Marina R, Manning, Michael G, Kile, Benjamin T, Rachel, A Burt
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Ca super(2+)-transporting ATPase
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Kile, Benjamin T
Rachel, A Burt
description Over 120 loci are known to cause inherited hearing loss in humans. The deafness gene has been identified for only half of these loci. With the aim of identifying some of the remaining deafness genes, we performed an ethylnitrosourea mutagenesis screen for deaf mice. We isolated two mutants with semi-dominant hearing loss, Deaf11 and Deaf13. Both contained causative mutations in Atp2b2, which encodes the plasma membrane calcium ATPase 2. The Atp2b2Deaf11 mutation leads to a p. I1023S substitution in the tenth transmembrane domain. The Atp2b2Deaf13 mutation leads to a p. R561S substitution in the catalytic core. Mice homozygous for these mutations display profound hearing loss. Heterozygotes display mild to moderate, progressive hearing loss.
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subjects Ca super(2+)-transporting ATPase
title Two ENU-Induced Alleles of Atp2b2 Cause Deafness in Mice. e67479
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