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The MED13L haploinsufficiency syndrome associated with de novo nonsense variant (P.GLN1981*).


ABSTRACT: The Mediator complex subunit 13-like is a part of the large Mediator complex. Recently, a large number of patients were diagnosed with mutations in this gene, which makes it one of the most frequent causes of syndromic intellectual disability. In this work, we report a patient with a novel de novo likely pathogenic variant c.5941C>T, p.(Gln1981*) in the MED13L gene with severe intellectual disability and facial dysmorphism. Uncommon findings like lack of speech, strabismus and self-destructive behaviour present in our patient allowed us to further define the phenotypic spectrum of mental retardation and distinctive facial features with or without cardiac defects syndrome.

SUBMITTER: Dawidziuk M 

PROVIDER: S-EPMC8258838 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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The Mediator complex subunit 13-like is a part of the large Mediator complex. Recently, a large number of patients were diagnosed with mutations in this gene, which makes it one of the most frequent causes of syndromic intellectual disability. In this work, we report a patient with a novel <i>de novo</i> likely pathogenic variant c.5941C>T, p.(Gln1981*) in the <i>MED13L</i> gene with severe intellectual disability and facial dysmorphism. Uncommon findings like lack of speech, strabismus and self  ...[more]

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