On this page, you will find information about a genetic change that was identified in a UDN participant. 

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A change in this gene was identified in a female, age 1 with brain abnormalities (agenesis of the corpus callosum and arachnoid cyst) and chronic diarrhea (read full description).

Date of Report

Aug 14, 2019

Full Name

aristaless related homeobox

Chromosome X (Xp21.3)


The ARX gene is part of a family of homeobox genes that are important in early embryonic development. In particular, the ARX gene codes for a protein that acts as a transcription factor and is important in the development of the brain, pancreas, and testes. (Gécz et al., 2006).

Database Links

GeneCards: GC0XM025021

MedlinePlus Genetics: ARX

NCBI Gene: 170302

OMIM: 300382

UniProtKB/Swiss-Prot: Q96QS3

Clinical Significance

A change in this gene was identified in a UDN participant and other individuals with similar symptoms (Gécz et al., 2006).

Gene ARX
Inheritance Pattern X-linked
Position (hg19) Chr19:25030136-25033530
Transcript NM_139058.2
DNA Change c.196+129_1073 +903del
Protein Change N/A
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