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Genet Test. 2005 Spring;9(1):20-5.

The 35delG mutation in the connexin 26 gene (GJB2) associated with congenital deafness: European carrier frequencies and evidence for its origin in ancient Greece.

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Institute of Molecular Anthropology, 75005 Paris, France.


The 35delG mutation in the connexin 26 gene (GJB2) at the DFNB1 locus represents the most common mutation in Caucasian patients with genetic sensorineural deafness. This new meta-analysis concerns published carrier frequencies of the 35delG mutation in 27 populations for 6,628 unrelated individuals in Europe and in the Middle East; the mean carrier frequency of the mutation is 1.9%. Compared on a regional basis, the most elevated carrier frequency value is of 1 individual carrier in 31 in southern Europe. It is probable that the 35delG mutation originated in ancient Greece and was subsequently propagated in other Mediterranean countries (especially in Italy) during recent historical times.

[Indexed for MEDLINE]

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