6052
It involves the excessive production of inflammatory cytokines and the diminution of neuroprotective and neurotrophic factors , such as the soluble form alpha of the amyloid precursor protein ( sAPP alpha ) , generated by the activity of alpha - secretases .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None