4798
While p45 expression was shown to be restricted to erythroid cells , megakaryocytes and mast cells in hematopoietic lineage , we found in this study that p45 mRNA is abundantly transcribed in the granulocyte fraction of human peripheral blood cells .
 protein: p45; cell type: granulocyte fraction; cell type: mast cells; cell type: erythroid cells; cell type: megakaryocytes; protein: p45; RNA: p45 mRNA; cell type: human peripheral blood cells
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: p45, granulocyte fraction, mast cells, erythroid cells, megakaryocytes, p45, p45 mRNA, human peripheral blood cells 
Answer:
 protein: p45; cell type: granulocyte fraction; cell type: mast cells; cell type: erythroid cells; cell type: megakaryocytes; protein: p45; RNA: p45 mRNA; cell type: human peripheral blood cells