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Retinal dystrophy in an individual carrying a de novo missense variant of SMARCA4.

ABSTRACT: BACKGROUND:Coffin-Siris syndrome (CSS) is characterized by intellectual disability, dysmorphic facial features, growth deficiency, microcephaly, and abnormalities of the fifth fingers/toes. CSS is caused by mutations in several genes of the BRG1-associated factor pathway including SMARCA4. METHODS:Whole-exome sequencing was performed on a 14-year-old female individual who presented with mild intellectual disability and dysmorphic features, tooth abnormalities, and short stature. She had brachydactyly but no aplasia or hypoplasia of the distal phalanx or nail of the fifth digit. She was also found to have retinal dystrophy that has not been previously reported in CSS. RESULTS:The individual presented herein was found to harbor a previously unreported de novo variant in SMARCA4. CONCLUSION:This case expands the phenotypic spectrum of CSS manifestations.

SUBMITTER: Cappuccio G 

PROVIDER: S-EPMC6565552 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Retinal dystrophy in an individual carrying a de novo missense variant of SMARCA4.

Cappuccio Gerarda G   Brunetti-Pierri Raffaella R   Torella Annalaura A   Pinelli Michele M   Castello Raffaele R   Casari Giorgio G   Nigro Vincenzo V   Banfi Sandro S   Simonelli Francesca F   Brunetti-Pierri Nicola N  

Molecular genetics & genomic medicine 20190411 6

<h4>Background</h4>Coffin-Siris syndrome (CSS) is characterized by intellectual disability, dysmorphic facial features, growth deficiency, microcephaly, and abnormalities of the fifth fingers/toes. CSS is caused by mutations in several genes of the BRG1-associated factor pathway including SMARCA4.<h4>Methods</h4>Whole-exome sequencing was performed on a 14-year-old female individual who presented with mild intellectual disability and dysmorphic features, tooth abnormalities, and short stature. S  ...[more]

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