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The survival-promoting activity of the Bcl-2 family of proteins appears to be modulated by interactions between various cellular proteins .
 protein: Bcl-2 family; protein: cellular proteins
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Bcl-2 family; protein: cellular proteins