4561
In a well - characterized family , in which three of eight siblings have fructosuria , all affected individuals are compound heterozygotes for two mutations Gly40Arg and Ala43Thr .
 fructosuria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 fructosuria