1891
( 2 ) Erythroid 32D Epo1 cells showed a lower level of bulk PKC catalytic activity , lacked the expression of epsilon and eta PKC isoforms , and showed a weak or absent upregulation of the remaining isoforms , except betaI , upon readdition of Epo to growth factor - starved cells .
 GENE: Epo1; GENE: PKC; GENE: epsilon and eta PKC isoforms; GENE: betaI; GENE: Epo
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: Epo1; GENE: PKC; GENE: epsilon and eta PKC isoforms; GENE: betaI; GENE: Epo