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However, compared to VD , their antiproliferative effect is up to 30-fold higher on human peripheral blood mononuclear cells and even up to 300-fold higher on human breast cancer MCF-7 cells .
 cell line: human breast cancer MCF-7 cells; cell type: human peripheral blood mononuclear 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: human breast cancer MCF-7 cells, human peripheral blood mononuclear cells 
Answer:
 cell line: human breast cancer MCF-7 cells; cell type: human peripheral blood mononuclear cells