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  • Showing results for Homozygous[Title] AND TANGO2[Title] AND Single[Title] AND Nucleotide[Title] AND Variants[Title] AND Presenting[Title] AND Additional[Title]. Your search for Homozygous TANGO2 Single Nucleotide Variants Presenting with Additional Manifastations retrieved no results.
Neuropediatrics. 2019 Apr;50(2):122-125. doi: 10.1055/s-0038-1677514. Epub 2019 Jan 16.

Homozygous TANGO2 Single Nucleotide Variants Presenting with Additional Manifestations Resembling Alternating Hemiplegia of Childhood-Expanding the Phenotype of a Recently Reported Condition.

Sen K1,2, Hicks MA3, Huq AHM1,4,5, Agarwal R1,4,5.

Author information

1
Carman and Ann Adams Department of Pediatrics, Children's Hospital of Michigan, Detroit, Michigan, United States.
2
Division of Genetic, Genomic and Metabolic Disorders, Children's Hospital of Michigan, Detroit, Michigan, United States.
3
Detroit Medical Center University Laboratories, Detroit, Michigan, United States.
4
Division of Pediatric Neurology, Children's Hospital of Michigan, Detroit, Michigan, United States.
5
Department of Pediatrics, Wayne State University School of Medicine, Detroit, Michigan, United States.

Abstract

CASE:

We report a 15-year-old Indian girl born to a consanguineous couple, who presented with epilepsy, developmental delay, neuroregression, and episodes of alternating hemiparesis. In addition, she had one episode of rhabdomyolysis at the age of 7 years. Extensive genetic and metabolic work up through the years was unrevealing. Eventually a trio whole exome sequencing (WES) revealed homozygous single nucleotide variants in TANGO2 gene.

DISCUSSION:

TANGO2 related recurrent metabolic crises with encephalomyopathy and cardiac arrhythmias were described very recently and only 15 cases were reported in literature at the time of writing. Alternating hemiplegia of childhood which was seen in our patient, has not been described in previous patients with TANGO2 mutation, and thereby expands the emerging phenotypic spectrum of this novel entity. This report also reiterates the utility of WES in diagnosing newly recognized neurogenetic conditions.

PMID:
30650451
DOI:
10.1055/s-0038-1677514
[Indexed for MEDLINE]

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