A JAPANESE PEDIGREE OF AUTOSOMAL DOMINANT CONGENITAL STATIONARY NIGHT BLINDNESS WITH VARIABLE EXPRESSIVITY

被引：3

作者：

HAYAKAWA, M

IMAI, Y

WAKITA, M

KATO, K

YANASHIMA, K

MIYAKE, Y

KANAI, A

机构：

[1] Department of Ophthalmology, Juntendo University School of Medicine, 3-1-3, Hongo, Bunkyo-Ku, Tokyo

[2] National Rehabilitation, Center for the Disabled, 4-1, Namiki Tokorozawa, Saitama

[3] Department of Ophthalmology, Nagoya University School of Medicine, 65 Tsurumai-cho, Showa-Ku, Nagoya

来源：

OPHTHALMIC PAEDIATRICS AND GENETICS | 1992年 / 13卷 / 04期

关键词：

CONGENITAL STATIONARY NIGHT BLINDNESS; REDUCED PENETRANCE; VARIABLE EXPRESSIVITY; ELECTRORETINOGRAPHY; DARK ADAPTATION; AUTOSOMAL DOMINANT INHERITANCE;

D O I：

10.3109/13816819209105169

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

Three cases in three successive generations of one family with autosomal dominant congenital stationary night blindness are presented. Case 1, the proband, and Case 3, his grandfather had the same electroretinographic responses: nonrecordable scotopic electroretinogram (ERG), normal but slightly diminished flicker ERG, and negative-shaped single bright-flash ERG. Their dark adaptation curves were monophasic with no rod segment. However, Case 2, the proband's father, showed different ERG findings; a moderately diminished scotopic ERG, a normal flicker ERG, and a biphasic dark adaptation curve with an elevated final rod threshold. The authors believe that these differences reflect variations in the expressivity of a single gene mutation with the lowest expressivity being seen in Case 2.

引用

页码：211 / 217

页数：7

共 15 条

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