10030
In this study , we investigated the anti - inflammatory effects of apigenin in H . pylori - infected MKN45 cells , for which I kappa B alpha , cyclooxygenase - 2 ( COX - 2 ) , intercellular adhesion molecule - 1 ( ICAM - 1 ) , reactive oxygen species ( ROS ) , interleukin - 8 ( IL - 8 ) , IL - 6 , IL - 1 beta , and mucin - 2 ( MUC - 2 ) expressions were examined .
 apigenin, oxygen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 apigenin, oxygen