8-1770707-G-C
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Variant summary
Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1
The NM_018941.4(CLN8):c.-123-225G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.805 in 152,124 control chromosomes in the GnomAD database, including 49,566 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).
Frequency
Genomes: 𝑓 0.81 ( 49566 hom., cov: 32)
Consequence
CLN8
NM_018941.4 intron
NM_018941.4 intron
Scores
2
Clinical Significance
Conservation
PhyloP100: -2.36
Genes affected
CLN8 (HGNC:2079): (CLN8 transmembrane ER and ERGIC protein) This gene encodes a transmembrane protein belonging to a family of proteins containing TLC domains, which are postulated to function in lipid synthesis, transport, or sensing. The protein localizes to the endoplasmic reticulum (ER), and may recycle between the ER and ER-Golgi intermediate compartment. Mutations in this gene are associated with a disorder characterized by progressive epilepsy with cognitive disabilities (EPMR), which is a subtype of neuronal ceroid lipofuscinoses (NCL). Patients with mutations in this gene have altered levels of sphingolipid and phospholipids in the brain. [provided by RefSeq, Jul 2017]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -14 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-1.03).
BP6
Variant 8-1770707-G-C is Benign according to our data. Variant chr8-1770707-G-C is described in ClinVar as [Benign]. Clinvar id is 1279902.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.836 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CLN8 | NM_018941.4 | c.-123-225G>C | intron_variant | ENST00000331222.6 | NP_061764.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CLN8 | ENST00000331222.6 | c.-123-225G>C | intron_variant | 1 | NM_018941.4 | ENSP00000328182 | P1 |
Frequencies
GnomAD3 genomes AF: 0.805 AC: 122385AN: 152008Hom.: 49518 Cov.: 32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome AF: 0.805 AC: 122484AN: 152124Hom.: 49566 Cov.: 32 AF XY: 0.801 AC XY: 59583AN XY: 74366
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ClinVar
Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Jun 25, 2018 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at