rs786202526
Variant summary
Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2
The NM_004360.5(CDH1):c.1266A>G(p.Gln422Gln) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000929 in 1,614,208 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Consequence
NM_004360.5 synonymous
Scores
Clinical Significance
Conservation
Publications
- blepharocheilodontic syndrome 1Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Illumina, Labcorp Genetics (formerly Invitae), G2P
- CDH1-related diffuse gastric and lobular breast cancer syndromeInheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, G2P
- hereditary breast carcinomaInheritance: AD Classification: DEFINITIVE Submitted by: Ambry Genetics
- hereditary diffuse gastric adenocarcinomaInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet
- cleft soft palateInheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
- orofacial cleft 3Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
- blepharocheilodontic syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- familial ovarian cancerInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Benign. The variant received -17 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| CDH1 | NM_004360.5 | c.1266A>G | p.Gln422Gln | synonymous_variant | Exon 9 of 16 | ENST00000261769.10 | NP_004351.1 | |
| CDH1 | NM_001317185.2 | c.-350A>G | 5_prime_UTR_variant | Exon 9 of 16 | NP_001304114.1 | |||
| CDH1 | NM_001317186.2 | c.-554A>G | 5_prime_UTR_variant | Exon 9 of 15 | NP_001304115.1 | |||
| CDH1 | NM_001317184.2 | c.1137+1178A>G | intron_variant | Intron 8 of 14 | NP_001304113.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152212Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000119 AC: 3AN: 251488 AF XY: 0.0000147 show subpopulations
GnomAD4 exome AF: 0.00000958 AC: 14AN: 1461878Hom.: 0 Cov.: 32 AF XY: 0.00000825 AC XY: 6AN XY: 727244 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.00000656 AC: 1AN: 152330Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74482 show subpopulations
ClinVar
Submissions by phenotype
Hereditary diffuse gastric adenocarcinoma Benign:3
This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -
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Hereditary cancer-predisposing syndrome Benign:2
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, 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. -
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not specified Benign:1
This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
not provided Benign:1
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Malignant tumor of breast Benign:1
The CDH1 p.Gln422= variant was not identified in the literature. The variant was identified in dbSNP (ID: rs776805501) as "With Uncertain significance allele", ClinVar (classified as likely benign by Ambry Genetics, Color, GeneDx and Counsyl; as uncertain significance by Invitae). The variant was identified in control databases in 3 of 246264 chromosomes at a frequency of 0.00001 (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: European Non-Finnish in 2 of 111714 chromosomes (freq: 0.00002), and South Asian in 1 of 30782 chromosomes (freq: 0.00003), while the variant was not observed in the African, Other, Latino, Ashkenazi Jewish, East Asian, and Finnish populations. The p.Gln422= variant is not expected to have clinical significance because it does not result in a change of amino acid and is not located in a known consensus splice site. In addition, in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. The nucleotide is not highly conserved and an A>G substitution is observed in several mammalian species. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at