10859
Furthermore, B cells transfected with a chimeric CD8alpha/IL-4Ralpha receptor , which is expressed on the cell surface as a homodimer , constitutively expressed Cepsilon germline transcripts .
 protein: chimeric CD8alpha/IL-4Ralpha receptor; cell type: B cells; RNA: Cepsilon germline transcripts; protein: homodimer
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: chimeric CD8alpha/IL-4Ralpha receptor, B cells, Cepsilon germline transcripts, homodimer 
Answer:
 protein: chimeric CD8alpha/IL-4Ralpha receptor; cell type: B cells; RNA: Cepsilon germline transcripts; protein: homodimer