13648
IL-7 did not maintain v-Abl -mediated differentiation arrest of the pre-B cells , as activation of NF-kappaB and RAG gene transcription was unaffected by IL-7 .
 DNA: RAG gene; protein: IL-7; cell type: pre-B cells; protein: NF-kappaB; protein: v-Abl; protein: IL-7
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: RAG gene, IL-7, pre-B cells, NF-kappaB, v-Abl, IL-7 
Answer:
 DNA: RAG gene; protein: IL-7; cell type: pre-B cells; protein: NF-kappaB; protein: v-Abl; protein: IL-7