488
When the W474C - containing alpha - subunit was transiently co - expressed with the beta - subunit to produce Hex A ( alphabeta ) in COS - 7 cells , the mature alpha - subunit was present , but its level was much lower than that from normal alpha - subunit transfections , although higher than in those cells transfected with an alpha - subunit associated with infantile TSD .
 Disease: TSD
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: TSD