12455
However, ILT-mat cells and ATL16T(-) cells , although they were ATL cells , showed rather low surface ICAM-1 expression and ICAM-1 mRNA expression .
 protein: ICAM-1; cell line: ILT-mat cells; cell line: ATL cells; cell line: ATL16T(-) cells; RNA: ICAM-1 mRNA; protein: ICAM-1
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: ICAM-1, ILT-mat cells, ATL cells, ATL16T(-) cells, ICAM-1 mRNA, ICAM-1 
Answer:
 protein: ICAM-1; cell line: ILT-mat cells; cell line: ATL cells; cell line: ATL16T(-) cells; RNA: ICAM-1 mRNA; protein: ICAM-1