Dataset Information

MED23-associated intellectual disability in a non-consanguineous family.

ABSTRACT: Intellectual disability (ID) is a heterogeneous condition arising from a variety of environmental and genetic factors. Among these causes are defects in transcriptional regulators. Herein, we report on two brothers in a nonconsanguineous family with novel compound heterozygous, disease-segregating mutations (NM_015979.3: [3656A?>?G];[4006C?>?T], NP_057063.2: [H1219R];[R1336X]) in MED23. This gene encodes a subunit of the Mediator complex that modulates the expression of RNA polymerase II-dependent genes. These brothers, who had profound ID, spasticity, congenital heart disease, brain abnormalities, and atypical electroencephalography, represent the first case of MED23-associated ID in a non-consanguineous family. They also expand upon the clinical features previously reported for mutations in this gene.

SUBMITTER: Trehan A

PROVIDER: S-EPMC5671761 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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MED23-associated intellectual disability in a non-consanguineous family.

Trehan Aditi A Brady Jacqueline M JM Maduro Valerie V Bone William P WP Huang Yan Y Golas Gretchen A GA Kane Megan S MS Lee Paul R PR Thurm Audrey A Gropman Andrea L AL Paul Scott M SM Vezina Gilbert G Markello Thomas C TC Gahl William A WA Boerkoel Cornelius F CF Tifft Cynthia J CJ

American journal of medical genetics. Part A 20150402 6

Intellectual disability (ID) is a heterogeneous condition arising from a variety of environmental and genetic factors. Among these causes are defects in transcriptional regulators. Herein, we report on two brothers in a nonconsanguineous family with novel compound heterozygous, disease-segregating mutations (NM_015979.3: [3656A > G];[4006C > T], NP_057063.2: [H1219R];[R1336X]) in MED23. This gene encodes a subunit of the Mediator complex that modulates the expression of RNA polymerase II-depende ...[more]

PMID: 25845469

Dataset Information

MED23-associated intellectual disability in a non-consanguineous family.

Publications

MED23-associated intellectual disability in a non-consanguineous family.

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