6609
Transcriptional targeting of retroviral vectors to the erythroblastic progeny of transduced hematopoietic stem cells .
 cell line: transduced hematopoietic stem cells; cell type: erythroblastic progeny
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: transduced hematopoietic stem cells, erythroblastic progeny 
Answer:
 cell line: transduced hematopoietic stem cells; cell type: erythroblastic progeny