23984
TRPA1 activation was assessed using calcium imaging assays in TRPA1 - overexpressing HEK - 293 cells , mouse primary trigeminal neurons , and human adenocarcinoma ( A549 ) lung cells .
 Chemical: calcium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: calcium