19-18869245-TGCCGCCGCC-T
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Variant summary
Our verdict is Likely benign. Variant got -1 ACMG points: 0P and 1B. BP3
The NM_001492.6(GDF1):c.462_470delGGCGGCGGC(p.Ala155_Ala157del) variant causes a disruptive inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000231 in 1,428,202 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000024 ( 0 hom. )
Consequence
GDF1
NM_001492.6 disruptive_inframe_deletion
NM_001492.6 disruptive_inframe_deletion
Scores
Not classified
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 2.58
Genes affected
GDF1 (HGNC:4214): (growth differentiation factor 1) This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate each subunit of the disulfide-linked homodimer. Studies in rodents suggest that this protein is involved in the establishment of left-right asymmetry in early embryogenesis and in neural development in later embryogenesis. The encoded protein is translated from a bicistronic mRNA that also encodes ceramide synthase 1. Mutations in this gene are associated with several congenital cardiovascular malformations. [provided by RefSeq, Jul 2016]
CERS1 (HGNC:14253): (ceramide synthase 1) This gene encodes a ceramide synthase enzyme, which catalyzes the synthesis of ceramide, the hydrophobic moiety of sphingolipids. The encoded enzyme synthesizes 18-carbon (C18) ceramide in brain neurons. Elevated expression of this gene may be associated with increased longevity, while decreased expression of this gene may be associated with myoclonus epilepsy with dementia in human patients. This protein is transcribed from a monocistronic mRNA as well as a bicistronic mRNA, which also encodes growth differentiation factor 1. [provided by RefSeq, Jul 2016]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -1 ACMG points.
BP3
Nonframeshift variant in repetitive region in NM_001492.6
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
GDF1 | NM_001492.6 | c.462_470delGGCGGCGGC | p.Ala155_Ala157del | disruptive_inframe_deletion | 8/8 | ENST00000247005.8 | NP_001483.3 | |
CERS1 | NM_021267.5 | c.*731_*739delGGCGGCGGC | 3_prime_UTR_variant | 8/8 | ENST00000623882.4 | NP_067090.1 | ||
GDF1 | NM_001387438.1 | c.462_470delGGCGGCGGC | p.Ala155_Ala157del | disruptive_inframe_deletion | 5/5 | NP_001374367.1 | ||
CERS1 | NM_001387440.1 | c.*1323_*1331delGGCGGCGGC | 3_prime_UTR_variant | 7/7 | NP_001374369.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
GDF1 | ENST00000247005.8 | c.462_470delGGCGGCGGC | p.Ala155_Ala157del | disruptive_inframe_deletion | 8/8 | 1 | NM_001492.6 | ENSP00000247005.5 | ||
CERS1 | ENST00000623882 | c.*731_*739delGGCGGCGGC | 3_prime_UTR_variant | 8/8 | 1 | NM_021267.5 | ENSP00000485308.1 |
Frequencies
GnomAD3 genomes AF: 0.0000133 AC: 2AN: 150516Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000960 AC: 3AN: 31234Hom.: 0 AF XY: 0.0000541 AC XY: 1AN XY: 18480
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GnomAD4 exome AF: 0.0000243 AC: 31AN: 1277686Hom.: 0 AF XY: 0.0000223 AC XY: 14AN XY: 627910
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GnomAD4 genome AF: 0.0000133 AC: 2AN: 150516Hom.: 0 Cov.: 32 AF XY: 0.0000136 AC XY: 1AN XY: 73502
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Find out detailed SpliceAI scores and Pangolin per-transcript scores at