ClinVar Miner

Submissions for variant NM_001382391.1(CSPP1):c.2381_2382del (p.Lys794fs)

dbSNP: rs1827118960
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Institute for Genomic Statistics and Bioinformatics, University Hospital Bonn RCV001175331 SCV001245462 likely pathogenic Joubert syndrome 21 criteria provided, single submitter clinical testing Trio exome sequencing and analysis of the genes with the ten highest PEDIA values (PMID: 31164752) revealed a probable causative homozygous truncating variant in the CSPP1 gene. In parents, this variant could be detected heterozygously in accordance with an autosomal recessive inheritance. In the CSPP1 gene (transcript: NM_024790.6), the homozygous frameshift variant c.2366_2367del; p.(Lys789Argfs*9) was detected in exon 18. This germ line variant leads to a shift of the reading frame and after eight wrong amino acids to a premature stop codon. This variant is not recorded in population-based and phanotype-based databases. The ACMG classification for this variant is: probably pathogenic (class 4: PVS1, PM2). Translated with www.DeepL.com/Translator (free version) Certain pathogenic germline variants in the CSPP1 gene can trigger type 21 of the autosomal recessive inherited Joubert syndrome (OMIM # 615636). Patients typically have three findings: a certain malformation of the cerebellum and brain stem ('molar tooth sign'), hypotension and delayed development. In addition, there are often episodic tachypnea, apnea, atypical eye movements. In addition, there may be retinal dystrophy, kidney disease, colobomas of the eye, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas and endocrine abnormalities. Other abnormalities in the patient such as hearing loss, cleft lip and palate, atrophy of the optic nerve, midface hypoplasia or heart defects have also been reported (GeneReviews Joubert syndrome, PMID 24360808 and 18000967).
Institute of Human Genetics, Clinical Exome/Genome Diagnostics Group, University Hospital Bonn RCV001175331 SCV002757824 likely pathogenic Joubert syndrome 21 2020-03-26 criteria provided, single submitter clinical testing

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