In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.

 We studied mutations in the GALNS gene from 23 additional MPS IVA patients ( 15 from Australia , 8 from Northern Ireland ) , with various clinical phenotypes ( severe , 16 cases ; intermediate , 4 cases ; mild , 3 cases ) .
MPS IVA

 Biochemical studies indicated VLCAD deficiency caused by a stable yet inactive enzyme .
VLCAD deficiency

 We have also observed the 879delG defect in two Dutch C6 - deficient kindreds , but the 879delG defect in the Cape probably did not come from The Netherlands . .

C6 - deficient

