Genotype/phenotype correlation in primary congenital glaucoma patients from different ethnic groups of the israeli population

Orna Geyer, Alvit Wolf, Elia Levinger, Amalia Harari-Shacham, David S. Walton, Chen Shochat, Sigal Korem, Dani Bercovich

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)263-271.e1
JournalAmerican Journal of Ophthalmology
Volume151
Issue number2
DOIs
StatePublished - Feb 2011
Externally publishedYes

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