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In addition to the existing isoform ( Pax-5 , which we have named Pax-5a ), we have isolated three new isoforms, Pax-5b , Pax-5d , and Pax-5e , from murine spleen and B-lymphoid cell lines using library screenings and polymerase chain reaction amplification .
 protein: Pax-5b; protein: Pax-5e; protein: Pax-5a; protein: Pax-5; protein: Pax-5d; cell line: B-lymphoid cell lines
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: Pax-5b, Pax-5e, Pax-5a, Pax-5, Pax-5d, B-lymphoid cell lines 
Answer:
 protein: Pax-5b; protein: Pax-5e; protein: Pax-5a; protein: Pax-5; protein: Pax-5d; cell line: B-lymphoid cell lines