12582
Dendritic cells and autologous CD4 + T cells were isolated from peripheral blood by a series of density-gradient centrifugations or magnetic bead separations (or both).
 cell type: autologous CD4 + T cells; cell type: Dendritic cells; protein: CD4
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: autologous CD4 + T cells, Dendritic cells, CD4 
Answer:
 cell type: autologous CD4 + T cells; cell type: Dendritic cells; protein: CD4