ClinVar Miner

Submissions for variant NM_144573.4(NEXN):c.1181_1182del (p.Glu394fs) (rs727504874)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000156238 SCV000205954 uncertain significance not specified 2014-01-22 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Pathogenic. The Glu394fs va riant in NEXN has not been previously reported in individuals with cardiomyopath y and data from large population studies is insufficient to assess its frequency . This frameshift variant is predicted to alter the protein?s amino acid sequenc e beginning at position 394 and lead to a premature termination codon 6 amino ac ids downstream. This alteration is then predicted to lead to a truncated or abse nt protein. Although the severe nature of the change increases the likelihood th at the variant is pathogenic, the NEXN gene has not been widely studied and the spectrum of variants leading to disease is not well-defined. Loss-of-function o f NEXN has been shown to cause DCM in animal models, however, it remains unclear if one or both copies of the gene need to be affected to cause disease. In summ ary, additional information is needed to fully assess the clinical significance of this variant.

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