ClinVar Miner

Submissions for variant NM_001144967.3(NEDD4L):c.2677G>A (p.Glu893Lys)

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Total submissions: 9
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000433945 SCV000523429 pathogenic not provided 2021-08-29 criteria provided, single submitter clinical testing Published functional studies demonstrate a damaging effect: decrease in protein stability and increased Akt phosphorylation (Broix et al., 2016); Not observed at significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Also known as c.2677G>A p.(Glu893Lys); This variant is associated with the following publications: (PMID: 28515470, 27694961, 34087865, 31028281)
Genomic Research Center, Shahid Beheshti University of Medical Sciences RCV000258896 SCV000923538 uncertain significance Periventricular nodular heterotopia 7 2019-01-01 criteria provided, single submitter clinical testing
Baylor Genetics RCV000258896 SCV001525360 pathogenic Periventricular nodular heterotopia 7 2020-06-05 criteria provided, single submitter clinical testing This variant was determined to be pathogenic according to ACMG Guidelines, 2015 [PMID:25741868].
Invitae RCV000433945 SCV002171167 pathogenic not provided 2021-08-29 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamic acid with lysine at codon 873 of the NEDD4L protein (p.Glu873Lys). The glutamic acid residue is highly conserved and there is a small physicochemical difference between glutamic acid and lysine. This missense change has been observed in individual(s) with NEDD4L-related conditions (PMID: 27694961, 28515470; Invitae). In at least one individual the variant was observed to be de novo. For these reasons, this variant has been classified as Pathogenic. Experimental studies have shown that this missense change affects NEDD4L function (PMID: 27694961). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 225191). This variant is also known as c.2677G>A p.Glu893Lys.
Department Of Human Genetics, Institute Of Clinical And Translational Research, Biomedical Research Center, Slovak Academy Of Sciences RCV000258896 SCV004227979 pathogenic Periventricular nodular heterotopia 7 criteria provided, single submitter research The first report of this variant was in PMID: 27694961 and PMID: 28515470. Our patient was described in PMID: 34087865. This 2-year-old boy was polystigmatized and showed significant symptomatologic overlap with PVNH7, such as delayed psychomotor and mental development, seizures and infantile spasms, periventricular nodular heterotopia, polymicrogyria, cleft palate, 2 to 3 toe syndactyly, hypotonia, microretrognathia, strabismus, and absent speech and walking. The proband showed also other symptoms, outside PVNH7 symptomatology, that were also present in the proband’s older brother (such as blue sclerae, hydronephrosis, transversal palmar crease (found also in their father), and bilateral talipes equinovarus). Brother did not carry the variant; thus, these symptoms are most likely not extended phenotypes of PVNH7, rather an independent clinical entity caused by a yet unidentified genetic factor in the family.
Institute of Human Genetics, University of Leipzig Medical Center RCV003493512 SCV004242408 likely pathogenic Chromosome 5Q14.3 deletion syndrome, distal 2024-01-02 criteria provided, single submitter clinical testing Criteria applied: PS2,PS4_MOD,PM2_SUP,PP2,PP3
Chelly Lab, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Strasbourg University - CNRS UMR 7104 - Inserm U 964 RCV000239759 SCV000267107 pathogenic Periventricular nodular heterotopia with syndactyly, cleft palate and developmental delay 2016-04-03 no assertion criteria provided research
OMIM RCV000258896 SCV000328666 pathogenic Periventricular nodular heterotopia 7 2023-08-23 no assertion criteria provided literature only
Molecular Genetics Laboratory, BC Children's and BC Women's Hospitals RCV000258896 SCV000803719 pathogenic Periventricular nodular heterotopia 7 2018-04-11 no assertion criteria provided clinical testing

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