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    Br J Ophthalmol. 2003 Apr;87(4):411-2.

    Pulverulent cataract with variably associated microcornea and iris coloboma in a MAF mutation family.

    Jamieson RV, Munier F, Balmer A, Farrar N, Perveen R, Black GC.

    Academic Unit of Medical Genetics and Regional Genetic Service, St Mary's Hospital, Manchester M13 0JH, UK. robynj@chw.edu.au

    AIMS: To report the detailed clinical findings in a three generation pedigree with autosomal dominant cataract, microcornea, and coloboma resulting from mutation of the lens development gene, MAF. METHODS: Five members of a three generation pedigree with progressive cataracts underwent detailed ophthalmic examination to characterise associated ocular phenotypic features. RESULTS: The cataracts present in all affected individuals were cortical, and/or nuclear, pulverulent opacities. Corneal diameters of 10-10.25 mm were present in two family members. Axial lengths were in the normal range. Bilateral iris coloboma in the 6 o'clock position was present in one patient. Uveal melanoma was present in one patient, with uveal naevi in this and one other patient. CONCLUSION: The bZIP transcription factor MAF is a key lens development gene that regulates the expression of the crystallins. Individuals with a mutation in MAF may have pulverulent cataract alone or cataract in association with microcornea or iris coloboma.

    PMID: 12642301 [PubMed - indexed for MEDLINE]

    PMCID: 1771582

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