PPFIBP1 and Duchenne muscular dystrophy: DMD is comorbid to ASD.65 Two studies found a genetic association of DMD with ASD,6,66 and one deletion in DMD was found in a CNV analysis of the AGP I data.14 The ortholog of SHROOM3 (23rd/109th, 8.66) in mice is required for proper neurolation.67 The combined results of PPFIBP1 (11th/197th, 9.17), which is also included in the univariate results above, will be discussed in the context of PTPRs below.