8534
The main biological functions of these 173 genes include signaling by Nerve Growth Factor , DNA Repair , Integrin Cell Surface Interactions , Biological Oxidations , Apoptosis , Synaptic Transmission , Cell Cycle Checkpoints , and Arachidonic Acid Metabolism .
 Chemical: Arachidonic Acid
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: Arachidonic Acid