microcephalic osteodysplastic primordial dwarfism type I

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Disease Overview

A microcephalic osteodysplastic primordial dwarfism that has material basis in homozygous or compound heterozygous mutation in the RNU4ATAC gene, encoding a small nuclear RNA (snRNA) component of the U12-dependent (minor) spliceosome, on chromosome 2q14.2. It is characterized by dwarfism, microcephaly, and neurologic abnormalities, including mental retardation, brain malformations, and ocular, auditory sensory deficits.


Synonyms

  • MOPD 1
  • MOPD1
  • Taybi-Linder syndrome
  • brachymelic primordial dwarfism
  • cephaloskeletal dysplasia
  • low-birth-weight dwarfism with skeletal dysplasia
  • microcephalic osteodysplastic primordial dwarfism, type 1
  • microcephalic osteodysplastic primordial dwarfism, type I
  • osteodysplastic primordial dwarfism type I
  • osteodysplastic primordial dwarfism, type 1

GARD Disease Summary

The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).

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OMIM

Online Mendelian Inheritance In Man (OMIM) has a summary of published research about this condition and includes references from the medical literature. The summary contains medical and scientific terms, so we encourage you to share and discuss this information with your doctor. OMIM is authored and edited at the McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine.

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