... those in Western and Mongolian populations, it can stillserve as a routine testing point in patients with GJB2monoallelic pathogenic mutation in China.Conflict of < /b> interest statementThe ... impair-ment http://davinci.crg.es/deafness. Therefore, GJB2 isnormally the first gene to be tested in patients withhearing loss. In China, the ratio of < /b> patients carryingmutations in the coding exons ... IVS1+1G>A muta-tion is very low in Chinese population.Matos et al.[44]reportedaGJB2 mutation,-3438C> ;T, located in the basal promoter of < /b> the gene, in trans with V84M, in a patient with profound...