24296
The effects of BDNF in LTP are mediated by TrkB ( tropomyosin - related kinase B ) receptors , which are known to be coupled to the activation of the Ras / ERK , phosphatidylinositol 3 - kinase / Akt and phospholipase C - gamma ( PLC - gamma ) pathways .
 Chemical: phosphatidylinositol
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: phosphatidylinositol