12351
Immunoprecipitation analysis revealed that unde3r these circumstances, Calphostin C inhibited the production of IL-1beta protein , whereas Staurosporine allowed protein production, but inhibited its secretion.
 IL-1beta, IL-1beta protein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 IL-1beta, IL-1beta protein