ClinVar Miner

Submissions for variant GRCh37/hg19 9q34.3(chr9:139315643-139465759)x1

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Precision Medical Center,Wuhan Children's Hospital RCV001353096 SCV001548189 pathogenic Hypoplastic left heart syndrome 2021-03-26 no assertion criteria provided clinical testing The submitted 9q34.3 microdeletion is identified in a fetus with severe congenital heart defects, including small left heart, coarctation of ascending aorta and aortic ache, and a small ventricular septal defect, which is de novo variant and contains full-length NOTCH1, a well-known CHD-related gene. Loss-of-function variants in this gene confer a higher risk for and segregates with left-sided-CHD and deletion of the whole NOTCH1 gene was previously reported to cause non-syndromic Tetralogy of Fallot and HLHS. In addition, this 9q34.3 microdeletion was not in DGV, HGMD and CinVar, as well as absent in gnomAD. In hence, it is classified as a pathogenic variant according to the ACMG guide line.

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