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PubMed · 8357520

[Hereditary blepharophimosis with visual alterations].

A Ruíz-Manjarrez·B Guillén-Añorve·R Núñez-Gómez
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Abstract

We report a Mexican family with two members (mother and daughter) affected with blepharophimosis hereditary syndrome: ptosis of the eyelids, blepharospasm and epicanthus inversus. The daughter presented: hyperopia, astigmatism, hemispheric asymmetry, superficial mental deficiency and ovarian cyst. The mother with ophthalmological affectation, present too border line intellectual quotient. Clinical findings in this family illustrate autosomal dominant trait; differential diagnosis should be taken into account for genetic counselling.

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BlepharophimosisChildFemaleHumansIntellectual DisabilityOvarian CystsPedigreePhenotypeSyndromeVision DisordersCase ReportsEnglish AbstractJournal Article

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A Ruíz-Manjarrez, B Guillén-Añorve, R Núñez-Gómez. 1993. [Hereditary blepharophimosis with visual alterations].. https://pubmed.ncbi.nlm.nih.gov/8357520/

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PubMed2006

Familial blepharophimosis-like syndrome with esotropia, uveal coloboma, and short stature.

BACKGROUND: Interstitial deletion of Hsa 3q involves FOXL2, the gene responsible for blepharophimosis-ptosis-telecanthus-epicanthus inversus (BPES). Thought to be due to a contiguous gene syndrome, the recognizable phenotype of 3q interstitial deletion includes BPES facies and has not been associated with other loci. OBJECTIVE: To describe a familial syndrome that resembles the interstitial deletion of 3q clinically, but does not map to the FOXL2 region. METHODS: Clinical evaluation of family members and linkage analysis. RESULTS: Three affected siblings with a phenotype resembling that seen in 3q interstitial deletion were studied in addition to their clinically unaffected parents. Linkage analysis excluded FOXL2 as underlying the distinct phenotype, observed with > 99% confidence. CONCLUSIONS: The relevant locus in the current family, although remote from FOXL2, is likely important to the FOXL2 functional pathway. The phenotype observed in 3q interstitial deletion may be due to severe disruption of FOXL2 rather than to a contiguous gene syndrome.

Blepharophimosis↗
PubMed2004

Genetic analysis of a five generation Indian family with BPES: a novel missense mutation (p.Y215C).

PURPOSE: Blepharophimosis-ptosis-epicanthus inversus syndrome (BPES) is a rare eye genetic disorder caused by mutations in the FOXL2 gene located at chromosome 3q23. The purpose of the present study was to carry out genetic analysis of BPES in a five-generation Indian family. METHODS: Peripheral blood samples were obtained from individuals for genomic DNA isolation. To determine the linkage of this family to the FOXL2 locus, haplotype analysis was carried out using microsatellite markers from the BPES candidate region. Five overlapping sets of primers were used to amplify the entire coding region of the FOXL2 gene for mutation detection. Allele-specific oligonucleotide hybridization (ASOH) analysis was carried out to determine segregation of the mutation in the family and to also determine if the mutation was present in 100 ethnically matched normal control chromosomes. RESULTS: Pedigree analysis suggested that BPES segregated in this family as an autosomal dominant trait. Cytogenetic analysis in one patient did not reveal any rearrangement. Haplotype analysis suggested that this family was linked to the FOXL2 locus on chromosome 3q23. DNA sequence analysis showed that the BPES phenotype in this family was caused by a novel missense mutation, c.881A->G (p.Y215C). CONCLUSIONS: This study reports for the first time a novel missense mutation in a five-generation Indian family with BPES. A review of the literature showed that the total number of mutations in the FOXL2 gene described to date is 42.

Blepharophimosis↗