507
HPRT - APRT - deficient mice are not a model for lesch - nyhan syndrome .
 Disease: HPRT - APRT - deficient; Disease: lesch - nyhan syndrome
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: HPRT - APRT - deficient; Disease: lesch - nyhan syndrome