18761
In lymphoblastoid cells induced to undergo endoplasmic reticulum ( ER ) stress by treatment of tunicamycin , higher fold change of TCF7L2 and VEGFA mRNA levels were observed in rs7903146 - TT cells than that in rs7903146 - CC cells ( P = 0 . 02 for TCF7L2 ; P = 0 . 004 for VEGFA ) , suggesting ER stress plays a role in PDR pathogenesis .
 Chemical: tunicamycin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: tunicamycin 
Answer:
 Chemical: tunicamycin