ClinVar Miner

Submissions for variant NM_014604.4(TAX1BP3):c.233T>C (p.Met78Thr)

dbSNP: rs1307997067
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Undiagnosed Diseases Network, NIH RCV000735208 SCV000863415 likely pathogenic TAX1BP3-related arrhythmogenic right ventricular cardiomyopathy 2018-11-27 criteria provided, single submitter clinical testing A hemizygous c.233T>C (p.M78T) variant in the TAX1BP3 gene was detected in three brothers (14yo male, 20yo male, and male that died suddently at age 17) with similar symptoms. Exome sequencing showed that all three brothers are hemizygous, the mother is heterozygous, and the father is negative for this change. Concurrent array analysis revealed a heterozygous copy number loss of approximately 238 Kb in size (genomic position chr17:3394299- 3632836) in all three brothers. This large deletion encompasses the entire TAX1BP3 gene. SNP arrays detected this deletion as heterozygous in all three brothers and the father. The mother is negative for the deletion. Therefore, the 238 Kb deletion and the c.233T>C (p.M78T) variant are located on two chromosomes (in trans configuration). We believe the combination of the missense variant and deletion in trans is likely pathogenic.
Department of Molecular and Human Genetics, Baylor College of Medicine RCV001195116 SCV001334127 uncertain significance Primary familial dilated cardiomyopathy 2020-04-16 criteria provided, single submitter clinical testing

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