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The CD19 protein is expressed on the surface of all B-lymphoid cells with the exception of terminally differentiated plasma cells and has been implicated as a signal-transducing receptor in the control of proliferation and differentiation.
 cell type: terminally differentiated plasma cells; protein: CD19 protein; cell type: B-lymphoid cells
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:
 cell type: terminally differentiated plasma cells; protein: CD19 protein; cell type: B-lymphoid cells