10-43112872-C-G
Variant summary
Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS1
The NM_020975.6(RET):c.1668C>G(p.Ser556Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000018 in 1,614,048 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 (★★). Synonymous variant affecting the same amino acid position (i.e. S556S) has been classified as Likely benign.
Frequency
Consequence
NM_020975.6 synonymous
Scores
Clinical Significance
Conservation
Publications
- familial medullary thyroid carcinomaInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
 - multiple endocrine neoplasia type 2AInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen, G2P
 - multiple endocrine neoplasia type 2BInheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen
 - pheochromocytomaInheritance: AD Classification: DEFINITIVE Submitted by: G2P
 - Hirschsprung disease, susceptibility to, 1Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
 - Haddad syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
 - Hirschsprung diseaseInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
 - renal agenesis, unilateralInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
 - bilateral renal agenesisInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
 - renal agenesisInheritance: AR Classification: LIMITED Submitted by: G2P
 
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ACMG classification
Our verdict: Benign. The variant received -15 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt | 
|---|---|---|---|---|---|---|---|---|
| RET | NM_020975.6  | c.1668C>G | p.Ser556Ser | synonymous_variant | Exon 9 of 20 | ENST00000355710.8 | NP_066124.1 | 
Ensembl
Frequencies
GnomAD3 genomes   AF:  0.000131  AC: 20AN: 152188Hom.:  0  Cov.: 33 show subpopulations 
GnomAD2 exomes  AF:  0.0000199  AC: 5AN: 251166 AF XY:  0.00000736   show subpopulations 
GnomAD4 exome  AF:  0.00000547  AC: 8AN: 1461742Hom.:  0  Cov.: 32 AF XY:  0.00000275  AC XY: 2AN XY: 727162 show subpopulations 
Age Distribution
GnomAD4 genome   AF:  0.000138  AC: 21AN: 152306Hom.:  0  Cov.: 33 AF XY:  0.000175  AC XY: 13AN XY: 74474 show subpopulations 
Age Distribution
ClinVar
Submissions by phenotype
not specified    Benign:2 
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Multiple endocrine neoplasia type 2A;C0025269:Multiple endocrine neoplasia type 2B;C0031511:Pheochromocytoma;C1833921:Familial medullary thyroid carcinoma;C3888239:Hirschsprung disease, susceptibility to, 1    Benign:1 
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Multiple endocrine neoplasia, type 2    Benign:1 
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Hereditary cancer-predisposing syndrome    Benign:1 
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. -
Computational scores
Source: 
Splicing
 Find out detailed SpliceAI scores and Pangolin per-transcript scores at