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Table 4 Molecular alterations detected in 180 individuals

From: Screening of genetic alterations related to non-syndromic hearing loss using MassARRAY iPLEX® technology

No. of cases

Alterations detected

Gene(s)

Onset

Severity

20

c.35delG/c.35delG

GJB2

Prelingual

Severe/profound

3

p.V27I/wt

GJB2

Prelingual/postlingual

Moderade/profound

2

c.35delG/wt

GJB2

Postlingual

Moderade/profound

2

p.M34T/wt

GJB2

Prelingual/postlingual

Moderade/profound

2

p.V609G/wt

SLC26A4

Prelingual/postlingual

Severe/profound

2

m.1555A > G

MT-RNR1

Postlingual

Moderade/profound

1

c.35delG/wt; ΔGJB6-D13S1830/wt

GJB2; GJB6

Prelingual

Profound

1

c.35deG/p.L90P

GJB2

Postlingual

Moderade

1

c.35delG/c.-23 + 1G > A

GJB2

Prelingual

Profound

1

c.35delG/c.167delT

GJB2

Prelingual

Moderade-severe

1

c.35delG/p.W172*

GJB2

Prelingual

Profound

1

p.35delG/p.M34T

GJB2

Postlingual

Moderade

1

p.E47*/wt; ΔGJB6-D13S1830/wt

GJB; GJB6

Prelingual

Profound

1

p.K168R/wt

GJB2

Postlingual

Profound

1

p.M34T/p.V37I

GJB2

Postlingual

Moderade

1

p.L90P/wt

GJB2

Postlingual

Moderade

1

p.V37I/p.V95M

GJB2

Postlingual

Profound

1

p.R184P/c.35delG

GJB2

Prelingual

Profound

1

p.V27I/p.E114G

GJB2

Postlingual

Moderade

1

p.W24*/p.W24*

GJB2

Postlingual

Profound

1

p.R75Q/wt

GJB2

Postlingual

Moderade

1

p.V27I/wt; p.V609G/wt

GJB2; SLC26A4

Postlingual

Profound

1

p.V138F/wt

SLC26A4

Postlingual

Profound

1

p.V609G/wt; c.5800_5801dupC/wt

SLC26A4; OTOF

Postlingual

Profound

1

p.R776C/wt

SLC26A4

Postlingual

Profound

1

p.R1746Q/wt

CDH23

Postlingual

Moderade

1

m.7445A > G

MT-TS1

Prelingual

Profound

1

p.S3525G/wt

MYO15A

Prelingual

Profound

1

ΔGJB6-D13S1854/wt

GJB6

Postlingual

Moderade

  1. wt wild type. *translation termination (stop) codon.  Alterations in bold were detected by conventional techniques