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Novel splice site mutation in CNNM4 gene in a family with Jalili syndrome #MMPMID28246031
Cherkaoui Jaouad I; Lyahyai J; Guaoua S; El Alloussi M; Zrhidri A; Doubaj Y; Boulanouar A; Sefiani A
Eur J Med Genet 2017[May]; 60 (5): 239-244 PMID28246031show ga
Jalili syndrome is a rare autosomal recessive genetic disease characterized by the association of amelogenesis imperfecta and cone-rod retinal dystrophy. This syndrome is caused by mutations in the CNNM4 gene. Different types of CNNM4 mutations have been reported; missense, nonsense, large deletions, single base insertion, and duplication. We used Sanger sequencing to analyze a large consanguineous family with three siblings affected with Jalili syndrome, suspected clinically after dental and ophthalmological examination. These patients are carrying a novel homozygous mutation in the splice site acceptor of intron 3 (c.1682-1G > C) in the CNNM4 gene. We compare the findings of the present family to those from literature, in order to further delineate Jalili syndrome.