1759
Treatment of normal human peripheral blood lymphocytes with cysteamine in vitro was found to inhibit proliferation in a dose-dependent manner , with essentially complete inhibition occurring at a dose of 400 microM.
 cell type: human peripheral blood lymphocytes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: human peripheral blood lymphocytes