ClinVar Miner

Submissions for variant NC_000001.11:g.(?_154191166)_(154192038_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000707976 SCV000837086 uncertain significance Congenital myopathy 4B, autosomal recessive; Congenital myopathy with fiber type disproportion 2018-02-22 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exons 1-2 of the TPM3 gene, which includes the initiator codon. The 5' end of this event is unknown as it extends beyond the assayed region for this gene and therefore may encompass additional genes. The 3' boundary is likely confined to intron 2 of the TPM3 gene. A similar deletion of exons 1-2 has been reported in the homozygous state in an individual affected with nemaline myopathy (PMID: 27858751). The current clinical and genetic evidence is not sufficient to establish whether loss-of-function variants in TPM3 cause disease. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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