13673
Prior to in vivo IL-2 administration, the typical binding pattern of transcription factors in PBMC from patients resembled that seen in fresh PBMC from healthy individuals .
 cell type: PBMC; protein: IL-2; protein: transcription factors; cell type: PBMC
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: PBMC, IL-2, transcription factors, PBMC 
Answer:
 cell type: PBMC; protein: IL-2; protein: transcription factors; cell type: PBMC