ClinVar Miner

Submissions for variant NM_001170629.2(CHD8):c.6340C>T (p.Leu2114Phe)

gnomAD frequency: 0.00019  dbSNP: rs200566427
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000873273 SCV001015233 likely benign not provided 2024-01-01 criteria provided, single submitter clinical testing
Ambry Genetics RCV002363281 SCV002657291 likely benign Inborn genetic diseases 2018-05-11 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
CeGaT Center for Human Genetics Tuebingen RCV000873273 SCV004135796 likely benign not provided 2023-01-01 criteria provided, single submitter clinical testing CHD8: PP2, BP4, BS1
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001355210 SCV001550029 likely pathogenic Intellectual developmental disorder with autism and macrocephaly no assertion criteria provided clinical testing The CHD8 p.L2114F variant was not identified in the literature. The variant was identified in dbSNP (ID: rs200566427) and ClinVar (classified as likely benign by Invitae). The variant was identified in control databases in 101 of 280646 chromosomes (1 homozygous) at a frequency of 0.0003599 increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Database March 6, 2019, v2.1.1). The variant was observed in the following populations: Ashkenazi Jewish in 71 of 10354 chromosomes (freq: 0.006857), Other in 9 of 7136 chromosomes (freq: 0.001261), European (non-Finnish) in 21 of 128428 chromosomes (freq: 0.000164), but was not observed in the African, Latino, East Asian, European (Finnish), or South Asian populations. The p.-- residue is conserved in mammals and computational analyses (MUT Assesor, PolyPhen-2, SIFT, MutationTaster, Revel, FATHMM, MetaLR, DANN) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (Splice AI exome) do not predict a difference in splicing. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance. 

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