ClinVar Miner

Submissions for variant NM_030632.3(ASXL3):c.3298del (p.Ala1100fs)

dbSNP: rs2067694046
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genesis Genoma Lab, Genesis Genoma Lab RCV001261159 SCV001438036 likely pathogenic Severe feeding difficulties-failure to thrive-microcephaly due to ASXL3 deficiency syndrome 2020-10-16 criteria provided, single submitter clinical testing The c.3298delG (p.Ala1100HisfsTer43) variant in ASXL3 gene creates a frameshift and a premature STOP codon assumed to result in the production of a truncated protein. Is is absent from gnomAD database. Multiple LoF variants located downstream of c.3298delG in ASXL3 gene have been reported as pathogenic in ClinVar database. To our knowledge the detected variant has not been reported in the literature yet. Using AGMC criteria (PVS1, PM2) the variant is classified as likely pathogenic. The variant was detected by Whole Exome Sequencing in a 4-year old girl with the typical characteristics of Bainbridge-Ropers syndrome (intellectual dissability, delayed psychomotor development, absent speech, microcephaly and hypotonia).

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