Mutations of ESPN cause autosomal recessive deafness and vestibular dysfunction

被引:92
作者
Naz, S
Griffith, AJ
Riazuddin, S
Hampton, LL
Battey, JF
Khan, SN
Riazuddin, S
Wilcox, ER
Friedman, TB [1 ]
机构
[1] NIDCD, Sect Human Genet, Mol Genet Lab, NIH, Rockville, MD 20850 USA
[2] NIDCD, Sect Gene Struct & Funct, LMG, NIH, Rockville, MD USA
[3] NIDCD, Hearing Sect, NIH, Rockville, MD USA
[4] NINDS, Sect G Prot Coupled Receptors, NIH, Bethesda, MD 20892 USA
[5] Univ Punjab, Natl Ctr Excellence Mol Biol, Lahore, Pakistan
关键词
D O I
10.1136/jmg.2004.018523
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
We mapped a human deafness locus DFNB36 to chromosome 1p36.3 in two consanguineous families segregating recessively inherited deafness and vestibular areflexia. This phenotype co-segregates with either of two frameshift mutations, 1988delAGAG and 2469delGTCA, in ESPN, which encodes a calcium-insensitive actin-bundling protein called espin. A recessive mutation of ESPN is known to cause hearing loss and vestibular dysfunction in the jerker mouse. Our results establish espin as an essential protein for hearing and vestibular function in humans. The abnormal vestibular phenotype associated with ESPN mutations will be a useful clinical marker for refining the differential diagnosis of nonsyndromic deafness.
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收藏
页码:591 / 595
页数:5
相关论文
共 18 条
[1]   Mutations of MYO6 are associated with recessive deafness, DFNB37 [J].
Ahmed, ZM ;
Morell, RJ ;
Riazuddin, S ;
Gropman, A ;
Shaukat, S ;
Ahmad, MM ;
Mohiddin, SA ;
Fananapazir, L ;
Caruso, RC ;
Husnain, T ;
Khan, SN ;
Riazuddin, S ;
Griffith, AJ ;
Friedman, TB ;
Wilcox, ER .
AMERICAN JOURNAL OF HUMAN GENETICS, 2003, 72 (05) :1315-1322
[2]   Parallel actin bundles and their multiple actin-bundling proteins [J].
Bartles, JR .
CURRENT OPINION IN CELL BIOLOGY, 2000, 12 (01) :72-78
[3]  
Bartles JR, 1996, J CELL SCI, V109, P1229
[4]   Small espin: A third actin-bundling protein and potential forked protein ortholog in brush border microvilli [J].
Bartles, JR ;
Zheng, LL ;
Li, AL ;
Wierda, A ;
Chen, B .
JOURNAL OF CELL BIOLOGY, 1998, 143 (01) :107-119
[5]   Espin contains an additional actin-binding site in its N terminus and is a major actin-bundling protein of the Sertoli cell-spermatid ectoplasmic specialization junctional plaque [J].
Chen, B ;
Li, AL ;
Wang, D ;
Wang, M ;
Zheng, LL ;
Bartles, JR .
MOLECULAR BIOLOGY OF THE CELL, 1999, 10 (12) :4327-4339
[6]  
CREMERS CWR, 2002, ADV OTORHINOLARYNGOL, V61, P113
[7]   Transient expression of the T-isoform of plastins/fimbrin in the stereocilia of developing auditory hair cells [J].
Daudet, N ;
Lebart, MC .
CELL MOTILITY AND THE CYTOSKELETON, 2002, 53 (04) :326-336
[8]  
Hofer D, 1997, J CELL SCI, V110, P765
[9]   Espin cross-links cause the elongation of microvillus-type parallel actin bundles in vivo [J].
Loomis, PA ;
Zheng, LL ;
Sekerková, G ;
Changyaleket, B ;
Mugnaini, E ;
Bartles, JR .
JOURNAL OF CELL BIOLOGY, 2003, 163 (05) :1045-1055
[10]   GENETIC EPIDEMIOLOGY OF HEARING IMPAIRMENT [J].
MORTON, NE .
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES-SERIES, 1991, 630 :16-31