Abstract:
:While recent studies have revealed a substantial portion of the genes underlying human hearing loss, the extensive genetic landscape has not been completely explored. Here, we report a loss-of-function variant (c.72delA) in MPZL2 in three unrelated multiplex families from Turkey and Iran with autosomal recessive nonsyndromic hearing loss. The variant co-segregates with moderate sensorineural hearing loss in all three families. We show a shared haplotype flanking the variant in our families implicating a single founder. While rare in other populations, the allele frequency of the variant is ~ 0.004 in Ashkenazi Jews, suggesting that it may be an important cause of moderate hearing loss in that population. We show that Mpzl2 is expressed in mouse inner ear, and the protein localizes in the auditory inner and outer hair cells, with an asymmetric subcellular localization. We thus present MPZL2 as a novel gene associated with sensorineural hearing loss.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Bademci G,Abad C,Incesulu A,Rad A,Alper O,Kolb SM,Cengiz FB,Diaz-Horta O,Silan F,Mihci E,Ocak E,Najafi M,Maroofian R,Yilmaz E,Nur BG,Duman D,Guo S,Sant DW,Wang G,Monje PV,Haaf T,Blanton SH,Vona B,Walz K,Tedoi
10.1007/s00439-018-1901-4subject
Has Abstractpub_date
2018-07-01 00:00:00pages
479-486issue
6-7eissn
0340-6717issn
1432-1203pii
10.1007/s00439-018-1901-4journal_volume
137pub_type
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