Our verdict is Pathogenic. The variant received 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong
The NM_000235.4(LIPA):c.796G>T(p.Gly266*) variant causes a stop gained change. The variant allele was found at a frequency of 0.00000806 in 1,612,760 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★★). Synonymous variant affecting the same amino acid position (i.e. G266G) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.
LIPA (HGNC:6617): (lipase A, lysosomal acid type) This gene encodes lipase A, the lysosomal acid lipase (also known as cholesterol ester hydrolase). This enzyme functions in the lysosome to catalyze the hydrolysis of cholesteryl esters and triglycerides. Mutations in this gene can result in Wolman disease and cholesteryl ester storage disease. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jan 2014]
LIPA Gene-Disease associations (from GenCC):
lysosomal acid lipase deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Genomics England PanelApp, ClinGen, Myriad Women’s Health, Labcorp Genetics (formerly Invitae)
cholesteryl ester storage disease
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
Wolman disease
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
Our verdict: Pathogenic. The variant received 18 ACMG points.
PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 10-89223710-C-A is Pathogenic according to our data. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-89223710-C-A is described in CliVar as Pathogenic. Clinvar id is 78.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Published functional studies found this variant is associated with reduced lysosomal acid lipase activity (Vinje T et al., 2018); Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Not observed at a significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 25525159, 23928541, 28881270, 29196158, 26252914, 22227072, 30684275, 8617513, 33857477, 8254026) -
Cholesteryl ester storage diseasePathogenic:2
Feb 22, 2017
Counsyl
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing
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. -
This sequence change creates a premature translational stop signal (p.Gly266*) in the LIPA gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in LIPA are known to be pathogenic (PMID: 23485521). This variant is present in population databases (rs267607218, gnomAD 0.002%). This premature translational stop signal has been observed in individual(s) with lysosomal acid lipase (LAL) deficiency (PMID: 28881270, 30684275). ClinVar contains an entry for this variant (Variation ID: 78). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic. -