14764
To examine the mechanism of angioendotheliomatosis associated with cysteamine toxicity , we examined the effect of cysteamine on human dermal microvascular endothelial cells ( HDMVEC ) .
 cysteamine, cysteamine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cysteamine, cysteamine