Paganini-Miozzo Syndrome, also known as mrxspm, is related to ventricular septal defect and heart septal defect. An important gene associated with Paganini-Miozzo Syndrome is HS6ST2 (Heparan Sulfate 6-O-Sulfotransferase 2). Affiliated tissues include eye, and related phenotypes are global developmental delay and mandibular prognathia