ClinVar Miner

Submissions for variant NM_003907.3(EIF2B5):c.1264C>T (p.Arg422Ter)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV002470467 SCV002767952 pathogenic Vanishing white matter disease 2021-05-06 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Pathogenic. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with leukoencephalopathy with vanishing white matter (MIM#603896). (I) 0106 - This gene is associated with autosomal recessive disease. (I) 0201 - Variant is predicted to cause nonsense-mediated decay (NMD) and loss of protein (premature termination codon is located at least 54 nucleotides upstream of the final exon-exon junction). (SP) 0251 - This variant is heterozygous. (I) 0304 - Variant is present in gnomAD (v2) <0.01 for a recessive condition (1 heterozygote, 0 homozygotes). (SP) 0701 - Other NMD-predicted variants comparable to the one identified in this case have very strong previous evidence for pathogenicity. Multiple NMD-predicted variants have been reported compound heterozygous in affected individuals (ClinVar, PMID:15136673, 15776425, 14572143, 18263758, 15670229, 25761052). (SP) 0803 - This variant has limited previous evidence of pathogenicity in unrelated individuals. This variant has been reported in two unrelated affected individuals in a compound heterozygous state (PMID:11704758, 15136673). (SP) 1001 - This variant has strong functional evidence supporting abnormal protein function. Functional assays on lymphoblast cells derived from a patient compound heterozygous for this variant demonstrated reduced EIF2B complex guanine exchange factor (GEF) activity relative to controls (PMID:20016818). (SP) 1102 - Strong phenotype match for this individual. (SP) 1205 - This variant has been shown to be maternally inherited (by trio analysis). (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign

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