5681
Furthermore, significant apoptosis was observed in transgenic megakaryocytes .
 cell type: megakaryocytes; cell type: transgenic megakaryocytes
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: megakaryocytes, transgenic megakaryocytes 
Answer:
 cell type: megakaryocytes; cell type: transgenic megakaryocytes