Archives of ophthalmology (Chicago, Ill. : 1960) · 1997
Identification of missense mutations in the Norrie disease gene associated with advanced retinopathy of prematurity.
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Shastry B S, Pendergast S D, Hartzer M K, Liu X, Trese M T
Аннотация
BACKGROUND: Retinopathy of prematurity (ROP) is a retinal vascular disease occurring in infants with short gestational age and low birth weight and can lead to retinal detachment (ROP stages 4 and 5). X-linked familial exudative vitreoretinopathy is phenotypically similar to ROP and has been associated with mutations in the Norrie disease (ND) gene in some cases.
OBJECTIVE: To determine if similar mutations in the ND gene may play a role in the development of advanced ROP.
METHODS: Clinical examination and molecular genetic analysis were performed on 16 children, including 2 dizygotic and 1 monozygotic twin pairs, and their parents from 13 families.
RESULTS: Sequencing of the amplified products revealed missense mutations (R121W and L108P) in the third exon of the ND gene in 4 patients. These mutations were not present in an unaffected premature twin, 2 children with regressed stage 3 ROP, the parents, or in 50 unrelated healthy control subjects.
CONCLUSION: These findings suggest that mutations in the ND gene may play a role in the development of severe ROP in premature infants.
OBJECTIVE: To determine if similar mutations in the ND gene may play a role in the development of advanced ROP.
METHODS: Clinical examination and molecular genetic analysis were performed on 16 children, including 2 dizygotic and 1 monozygotic twin pairs, and their parents from 13 families.
RESULTS: Sequencing of the amplified products revealed missense mutations (R121W and L108P) in the third exon of the ND gene in 4 patients. These mutations were not present in an unaffected premature twin, 2 children with regressed stage 3 ROP, the parents, or in 50 unrelated healthy control subjects.
CONCLUSION: These findings suggest that mutations in the ND gene may play a role in the development of severe ROP in premature infants.