Description of a novel patient with the TRPM3 recurrent p.Val837Met variant.

Eur J Med Genet

Hospices Civils de Lyon, Service de Génétique - Centre de Référence Anomalies du Développement, Bron, France; Centre de Recherche en Neurosciences de Lyon, Équipe GENDEV, INSERM U1028 CNRS UMR5292, Université Claude Bernard Lyon 1, Lyon, France. Electronic address:

Published: November 2021


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Article Abstract

De novo heterozygous missense mutations in TRPM3 have been shown to cause developmental and epileptic encephalopathies (DEE). It is a very rare condition, as only 9 patients have been described to date. We report here a novel patient carrying the recurrent p.Val837Met variant and presenting new clinical features, such as trigonocephaly, expanding the phenotypical spectrum of the disease.

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http://dx.doi.org/10.1016/j.ejmg.2021.104320DOI Listing

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