Ohio State University
The aim of the CDH1-associated Blepharocheilodontic Syndrome (BCDS) registry is to better characterize the clinical features of this condition and exploring whether CDH1 variants linked to BCDS may also increase cancer risk.
Blepharocheilodontic Syndrome (BCDS) is a rare genetic disorder characterized by cleft lip and/or palate (CL/P), eyelid malformations, and features suggestive of ectodermal dysplasia. Variants in the CDH1 gene, which encodes the cell adhesion protein E-cadherin, have been implicated in BCDS. Functional studies have demonstrated that CDH1 plays a critical role in lip and palate development during embryogenesis (Ghoumid 2017; Figueiredo 2019). In the hereditary cancer genetics community, CDH1 is more commonly associated with hereditary diffuse gastric and lobular breast cancer syndrome (DGLBC).…
Inclusion Criteria: * A documented pathogenic, likely pathogenic or a variant of uncertain significance in the CDH1 gene * Clinical features that are diagnostic for, or suggestive of, BCDS (cleft lip and/or palate, eyelid anomalies, dental abnormalities, webbed toes, imperforate anus, etc) Exclusion Criteria: • Non-English-speaking individuals
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