ClinVar Miner

Submissions for variant NM_024408.4(NOTCH2):c.7090del (p.Gln2364fs)

dbSNP: rs1649037695
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Institute for Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin RCV001250418 SCV001364079 pathogenic Hajdu-Cheney syndrome criteria provided, single submitter clinical testing We were able to detect the heterozygous sequence variant c.2364delC in the NOTCH2 gene in this patient. The sequence variant probably leads to a shift in the reading frame and to the premature termination of protein biosynthesis at the protein level. The sequence variant is not listed in the population database gnomAD. Similar de novo sequence variants have already been described several times in connection with the autosomal dominant inherited Hajdu-Cheney syndrome (Simpson et al. 2011, Majewski et al. 2011). The clinical abnormalities can be variable and include acroosteolysis, osteoporosis, malformation, cleft palate, micrognathia, hydrocephalus, hepatosplenomegaly, hearing impairment, congenital heart defects, cystic kidneys, platybasia, basilar invagination, cryptorchidism and joint hypermobility. Characteristic facial features include Synophris, low set ears, midface hypoplasia, long philtrum, hypertelorism and sloping eyelid axes. According to the current state of knowledge, we classify the sequence variant as pathogenic according to the ACMG criteria (class V).

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