%608264
Table of Contents
Cytogenetic location: 22q11.21-q12.1 Genomic coordinates (GRCh38) : 22:17,400,001-29,200,000
Location | Phenotype |
Phenotype MIM number |
Inheritance |
Phenotype mapping key |
---|---|---|---|---|
22q11.21-q12.1 | Deafness, autosomal recessive 40 | 608264 | AR | 2 |
In a consanguineous Iranian family in which several members had an autosomal recessive form of prelingual profound sensorineural hearing loss, Delmaghani et al. (2003) found linkage of the disorder to a locus, designated DFNB40, on chromosome 22q11.21-q12.1. The approximately 9-Mb interval was bordered by markers D22S427 and D22S1144; a maximum lod score of 3.09 was obtained with D22S1174. The authors noted that the 'Bronx waltzer' (bv) mouse mutant, characterized by waltzing behavior, deafness, and degeneration of cochlear inner hair cells, had been mapped to mouse chromosome 5 in a region of syntenic homology to 22q. They suggested that DFNB40 and bv may result from orthologous gene defects.
Delmaghani, S., Aghaie, A., Compain-Nouaille, S., Ataie, A., Lemainque, A., Zeinali, S., Lathrop, M, Weil, D., Petit, C. DFNB40, a recessive form of sensorineural hearing loss, maps to chromosome 22q11.21-12.1. Europ. J. Hum. Genet. 11: 816-818, 2003. [PubMed: 14512974, related citations] [Full Text]
ORPHA: 90636; DO: 0110499;
Cytogenetic location: 22q11.21-q12.1 Genomic coordinates (GRCh38) : 22:17,400,001-29,200,000
Location | Phenotype |
Phenotype MIM number |
Inheritance |
Phenotype mapping key |
---|---|---|---|---|
22q11.21-q12.1 | Deafness, autosomal recessive 40 | 608264 | Autosomal recessive | 2 |
In a consanguineous Iranian family in which several members had an autosomal recessive form of prelingual profound sensorineural hearing loss, Delmaghani et al. (2003) found linkage of the disorder to a locus, designated DFNB40, on chromosome 22q11.21-q12.1. The approximately 9-Mb interval was bordered by markers D22S427 and D22S1144; a maximum lod score of 3.09 was obtained with D22S1174. The authors noted that the 'Bronx waltzer' (bv) mouse mutant, characterized by waltzing behavior, deafness, and degeneration of cochlear inner hair cells, had been mapped to mouse chromosome 5 in a region of syntenic homology to 22q. They suggested that DFNB40 and bv may result from orthologous gene defects.
Delmaghani, S., Aghaie, A., Compain-Nouaille, S., Ataie, A., Lemainque, A., Zeinali, S., Lathrop, M, Weil, D., Petit, C. DFNB40, a recessive form of sensorineural hearing loss, maps to chromosome 22q11.21-12.1. Europ. J. Hum. Genet. 11: 816-818, 2003. [PubMed: 14512974] [Full Text: https://doi.org/10.1038/sj.ejhg.5201045]
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