25210
Overall , our data indicate that PC - 3 cells overproduce Cyr61 protein via activation of the PI3K / Akt signaling as a part of the survival mechanisms under the conditions causing extracellular acidity and further cytotoxicity .
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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