2339
Synergistic induction of apoptosis in human leukemia cells ( U937 ) exposed to bryostatin 1 and the proteasome inhibitor lactacystin involves dysregulation of the PKC / MAPK cascade .
 GENE: PKC; GENE: MAPK
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: PKC; GENE: MAPK