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Identification of a novel insertion mutation in GATA3 with HDR syndrome
Yukari Mino1, Takashi Kuwahara, Toshifumi Mannami
1Department of Epidemiology, Research Institute, National Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan.
Abstract:
Recently, a member of the GATA-binding family of transcription factors was shown to be involved in human hypoparathyroidism, sensorineural deafness, and renal abnormality (HDR) syndrome. We report here a Japanese family in which two of the members are affected with HDR syndrome. Sequence analysis of GATA3 showed a heterozygous novel mutation in this family: an unusual mutation at exon 3 (709insC) resulting in a premature stop at codon 302 with a loss of both of the zinc finger domains.
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