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Jpn J Ophthalmol. 1999 Mar-Apr;43(2):85-8.

Detection of a new TIGR gene mutation in a Japanese family with primary open angle glaucoma.

Author information

1
Department of Ophthalmology, Miyazaki Medical College, Kiyotake, Japan.

Abstract

PURPOSE:

To describe a new mutation of the trabecular meshwork-inducible glucocorticoid response protein (TIGR) gene in a Japanese patient with familial primary open angle glaucoma (POAG).

METHODS:

Standard ocular examinations were performed on the 44-year-old patient, his sister, and mother. DNA sequencing was used to identify the mutation. We also developed a DNA diagnostic method for detecting this missense mutation by polymerase chain reaction-induced mutation restriction analysis (PCR-IMRA).

RESULTS:

The patient, father, and sister had been diagnosed as having POAG. The patient and his sister had a Thr448Pro mutation (C-->A transition at the nucleotide number 1419) in exon 3. This mutation has not been reported before.

CONCLUSIONS:

Gene analysis is promising for an early diagnosis among the family members of familial POAG patients and will contribute to early therapy before an occurrence of irreversible visual impairment.

PMID:
10340788
[Indexed for MEDLINE]

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