| Disease Name | phenotype | Inheritance Mode | Chr Location | Mutation Type | Gene Name | mRNA Variant | Protein Variant | Effect | Reference |
| Stuttering Familial Persistent 2 (STUT2,GNPTAB) | non-syndromic stuttering | 12q | 0/Raza et al., 2005 | ||||||
| Stuttering Familial Persistent 3 (STUT3) | non-syndromic stuttering | Autosomal Recessive | 3q13.2?3q13.33 | 0/Raza et al., 2010 |
