ClinVar Miner

Submissions for variant NM_031443.4(CCM2):c.147del (p.Leu49fs)

dbSNP: rs2128729172
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Seattle Children's Hospital Molecular Genetics Laboratory, Seattle Children's Hospital RCV001848603 SCV002104278 pathogenic Cerebral cavernous malformation criteria provided, single submitter clinical testing The CCM2 p.Leu49Phefs*11 variant causes a translational frameshift and is expected to cause a loss of protein function. The first amino acid altered is at position 49 of the protein, in which leucine is replaced by phenylalanine, and there is a premature termination codon 11 amino acids downstream of this alteration. This is a novel genetic variant that has not been reported in the medical literature or patient databases. This variant has also not been observed in presumably healthy controls in the Genome Aggregation Database (0 of approx. 250,000 alleles; v2.1). While this variant appears to be novel, CCM2 haploinsufficiency is a well-established mechanism of disease.

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