rs113298164
Variant summary
Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2
The NM_000236.3(LIPC):c.1214C>T(p.Thr405Met) variant causes a missense change. The variant allele was found at a frequency of 0.00255 in 1,614,152 control chromosomes in the GnomAD database, including 19 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_000236.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -8 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.00284 AC: 432AN: 152174Hom.: 2 Cov.: 32
GnomAD3 exomes AF: 0.00293 AC: 737AN: 251448Hom.: 2 AF XY: 0.00274 AC XY: 372AN XY: 135888
GnomAD4 exome AF: 0.00252 AC: 3682AN: 1461860Hom.: 17 Cov.: 32 AF XY: 0.00247 AC XY: 1794AN XY: 727228
GnomAD4 genome AF: 0.00284 AC: 432AN: 152292Hom.: 2 Cov.: 32 AF XY: 0.00312 AC XY: 232AN XY: 74472
ClinVar
Submissions by phenotype
not provided Uncertain:2Benign:3
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LIPC: BS1 -
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This variant is associated with the following publications: (PMID: 32041611, 31589614, 31980526, 30333156, 28870971, 1671786, 24082139, 24497850, 20981092, 8732782, 1883393, 23685560, 8123642) -
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Hyperlipidemia due to hepatic triglyceride lipase deficiency Pathogenic:2Uncertain:1
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This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -
NM_000236.2:c.1214C>T in the LIPC gene has an allele frequency of 0.015 in European(Finnish) subpopulation in the gnomAD database.Functional studies demonstrate that p.Thr405Met has reduced enzymatic activity (PMID: 1883393). It was detected in multiple individuals with autosomal recessive Hepatic lipase deficiency, compound heterozygous with c.1214C>T (p.Thr405Met) (PMID: 1883393).The patient's phenotype is highly specific for LIPC gene (PMID: 1671786). Taken together, we interprete this variant as Pathogenic/Likely pathogenic. ACMG/AMP criteria applied: PS3; PM3; PP4. -
Type 2 diabetes mellitus Pathogenic:1
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not specified Uncertain:1
Variant classified as Uncertain Significance - Favor Pathogenic. The p.Thr405Met variant in LIPC (also reported as p.Thr383Met in the literature) has been identified in the compound heterozygous state in at least 2 individuals with hepatic lipase deficiency and segregated with disease in 5 affected relatives from 2 families (Hegele 1991 PMID: 1883393, Hegele 1991 PMID: 1671786, Ruel 2003 PMID: 12777476 ). This variant has also been identified in the heterozygous state in 3 individuals with biochemical features consistent with hepatic lipase deficiency (Knudsen 1996 PMID: 8732782, Motazacker 2013 PMID: 23685560, Geller 2018 PMID: 30333156). Additionally, this variant has been reported in ClinVar (Variation ID # 14451) and has been identified in 1.5% (388/25112) of Finnish chromosomes, including 3 homozygotes, and 0.3% (460/129166) of European chromosomes, including 2 homozygotes, by gnomAD (http://gnomad.broadinstitute.org). In vitro functional studies provide some evidence that this variant impacts protein function (Knudsen 1996 PMID: 8732782, Durstenfeld 1994 PMID: 8123642); however, these types of assays may not accurately represent biological function. Computational prediction tools and conservation analyses do not provide strong support for or against an impact to the protein. In summary, while there is some suspicion for a pathogenic role, the clinical significance of this variant is uncertain as it is unclear what clinical effect of the biochemical change in lipid levels has on people with hepatic lipase deficiency, particularly on how they affect the risk of atherosclerosis in some individuals and not in others and whether that risk is greater than individuals in the general population (Brunzell 2011 PMID: 21986251, Kobayashi 2015 PMID: 25995285). ACMG/AMP Criteria applied:PP1_Strong, PM3, PS3_Supporting. -
Type 2 diabetes mellitus;C3151466:Hyperlipidemia due to hepatic triglyceride lipase deficiency Uncertain:1
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Type 1 diabetes mellitus 2;C2675071:High density lipoprotein cholesterol level quantitative trait locus 12;C3151466:Hyperlipidemia due to hepatic triglyceride lipase deficiency Uncertain:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at