Our verdict is Pathogenic. Variant got 13 ACMG points: 13P and 0B. PM2PM5PP3PP5_Very_Strong
The NM_001326342.2(CELF2):c.1516C>T(p.Arg506Cys) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R506G) has been classified as Pathogenic.
CELF2 (HGNC:2550): (CUGBP Elav-like family member 2) Members of the CELF/BRUNOL protein family contain two N-terminal RNA recognition motif (RRM) domains, one C-terminal RRM domain, and a divergent segment of 160-230 aa between the second and third RRM domains. Members of this protein family regulate pre-mRNA alternative splicing and may also be involved in mRNA editing, and translation. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]
Verdict is Pathogenic. Variant got 13 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr10-11329003-C-G is described in Lovd as [Pathogenic].
PP3
MetaRNN computational evidence supports a deleterious effect, 0.806
PP5
Variant 10-11329003-C-T is Pathogenic according to our data. Variant chr10-11329003-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 1693106.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Likely pathogenic, criteria provided, single submitter
clinical testing
Clinical Genetics Laboratory, Skane University Hospital Lund
Apr 24, 2023
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Pathogenic, criteria provided, single submitter
clinical testing
GeneDx
Dec 30, 2024
Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -