“…It is important to mention that mutations in SLIT1 have been reported in patients affected with neuroblastoma, acquired aplastic anaemia, supernormal coronary arteries and attention-deficit hyperactivity disorder,[ 25 , 26 , 27 , 28 ] and mutations in RYR3 have been implicated in nemaline myopathy, Alzheimer's disease, gender dysphoria and autism spectrum disorders. [ 24 , 29 , 30 , 31 ] Another identified deleterious variant worth mentioning is ARPP21, which has been shown to be associated with ALS in Europe and the United Kingdom,[ 32 , 33 , 34 ] but did not appear to be a risk factor in patients from Australia and mainland China[ 35 , 36 ] and hence may be investigated in MMA as well as ALS patients from different ethnic groups. Further studies are required to elucidate the functional impact of SLIT1, RYR3 and ARPP21 in MMA.…”