Systematic Cardiac Phenotyping of Patients With Copy Number Variants in the 15q11.2 Breakpoint 1 to Breakpoint 2 Region: A Retrospective Cohort Study From Nine Pediatric Cardiac Centers.
Microdeletions impacting 15q11.2 breakpoint (BP) 1 to BP2, adjacent to the Prader-Willi critical region, have previously described neuropsychiatric associations, with potential low penetrance presentations of congenital heart disease (CHD) also identified. Four highly conserved genes in the region (NIPA1, NIPA2, CYFIP1...