Deafness, Autosomal Recessive 7

Alternative Names

  • DFNB7
  • Deafness, Autosomal Recessive 11
  • DFNB11
Back to search Result
WHO-ICD-10 version:2010

Diseases of the ear and mastoid process

Other disorders of ear

OMIM Number

600974

Mode of Inheritance

Autosomal recessive

Gene Map Locus

9q21.13

Description

Hearing loss is a common sensory and genetically heterogeneous disorder. Approximately 1:1000 children is born deaf or develops severe to profound hearing loss in early childhood due to genetic defects. About 70% of these cases are non-syndromic and, in most cases, follow an autosomal recessive mode of inheritance. Autosomal recessive non-syndromic hearing loss (ARNSHL), also known as DFNB, accounts for up to 80% of non-syndromic hereditary hearing loss. To date, more than 100 gene loci have been implicated in DFNB. DFNB7, also known as DFNB11, is a form of profound, congenital, neurosensory, non-syndromal deafness.

Epidemiology in the Arab World

View Map
Subject IDCountrySexFamily HistoryParental ConsanguinityHPO TermsVariantZygosityMode of InheritanceReferenceRemarks
600974.1.1TunisiaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.2TunisiaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.3TunisiaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.4TunisiaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.5AlgeriaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.6AlgeriaUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.7IraqUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.1.8LebanonUnknown Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveBen Said et al, 2010
600974.2.1MoroccoMaleYesNo Hearing impairmentNM_138691.2:c.1810C>T, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011 Proband
600974.2.2MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011 First cousin, once r...
600974.2.3MoroccoMaleYesNo Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011 Second cousin of 600...
600974.3.1MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011
600974.3.2MoroccoMaleYesNo Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011 Brother of 600974.3....
600974.4.1MoroccoMaleYesYes Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011
600974.4.2MoroccoFemaleYesYes Hearing impairmentNM_138691.2:c.1939T>CHomozygousAutosomal, RecessiveBrownstein et al. 2011 Sister of 600974.4.1
600974.5.1MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1165C>T, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011
600974.5.2MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1165C>T, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011 Sister of 600974.5.1
600974.5.3MoroccoMaleYesNo Hearing impairmentNM_138691.2:c.1165C>T, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011 Brother of 600974.5....
600974.6.1MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1210T>C, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011
600974.6.2MoroccoMaleYesNo Hearing impairmentNM_138691.2:c.1210T>C, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011 Brother of 600974.6....
600974.6.3MoroccoFemaleYesNo Hearing impairmentNM_138691.2:c.1210T>C, NM_138691.2:c.1939T>CHeterozygousAutosomal, RecessiveBrownstein et al. 2011 Sister of 600974.6.1
600974.7United Arab EmiratesYesYes Hearing impairmentNM_138691.2:c.100C>THomozygousAutosomal, RecessiveAlobathani et al. 2018 At least 2 affected ...
600974.GUnited Arab EmiratesUnknown Congenital sensorineural hearing impairm...NM_138691.2:c.100C>THomozygousAutosomal, RecessiveElsayed O and Al-Shamsi A. 2022 Five individuals wit...
© CAGS 2024. All rights reserved.