American journal of ophthalmology · 2010
Genotype/phenotype correlation in primary congenital glaucoma patients from different ethnic groups of the Israeli population.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Geyer Orna, Wolf Alvit, Levinger Elia, Harari-Shacham Amalia, Walton David S, Shochat Chen, Korem Sigal, Bercovich Dani
Аннотация
PURPOSE: To investigate the roles of CYP1B1 and MYOC mutations and characterize the phenotype of primary congenital glaucoma in Israeli patients from 3 different ethnic backgrounds.
DESIGN: Interventional case series.
METHODS: This institutional study included 34 Israeli primary congenital glaucoma patients (26 families) comprising 9 Jews (9 families), 17 non-Bedouin Muslim Arabs (10 families), and 8 Druze (7 families). The patients and their relatives (n = 99) were screened for CYP1B1 and MYOC mutations.
RESULTS: Mutations in the CYP1B1 gene were detected in 12 of 26 families (46%) with primary congenital glaucoma (5 Muslim Arab, 5 Druze, and 2 Jewish). The Jewish families had compound heterozygous mutations and digenic mutations (ie, an Ashkenazi family had mutations in the CYP1B1 gene [Arg368His, R48G, A119S, and L432V haplotypes] and an Ashkenazi-Sephardic family had a mutation on the CYP1B1 gene [1908delA, Sephardic] with a second missense mutation on the MYOC gene [R76K, Ashkenazi]). The Muslim Arabs and Druze tended to have a more severe phenotype than that of the Jews.
CONCLUSION: The phenotype and spectrum of the CYP1B1 and MYOC mutation roles in the clinical characteristics of primary congenital glaucoma varied according to ethnicity. The rarity of mutations in the CYP1B1 gene among Ashkenazi primary congenital glaucoma patients indicates that a different locus may be involved in the phenotype.
DESIGN: Interventional case series.
METHODS: This institutional study included 34 Israeli primary congenital glaucoma patients (26 families) comprising 9 Jews (9 families), 17 non-Bedouin Muslim Arabs (10 families), and 8 Druze (7 families). The patients and their relatives (n = 99) were screened for CYP1B1 and MYOC mutations.
RESULTS: Mutations in the CYP1B1 gene were detected in 12 of 26 families (46%) with primary congenital glaucoma (5 Muslim Arab, 5 Druze, and 2 Jewish). The Jewish families had compound heterozygous mutations and digenic mutations (ie, an Ashkenazi family had mutations in the CYP1B1 gene [Arg368His, R48G, A119S, and L432V haplotypes] and an Ashkenazi-Sephardic family had a mutation on the CYP1B1 gene [1908delA, Sephardic] with a second missense mutation on the MYOC gene [R76K, Ashkenazi]). The Muslim Arabs and Druze tended to have a more severe phenotype than that of the Jews.
CONCLUSION: The phenotype and spectrum of the CYP1B1 and MYOC mutation roles in the clinical characteristics of primary congenital glaucoma varied according to ethnicity. The rarity of mutations in the CYP1B1 gene among Ashkenazi primary congenital glaucoma patients indicates that a different locus may be involved in the phenotype.