5851
Clusters of coexpressed genes identified through manipulations of mammary epithelial cells in vitro also showed consistent patterns of variation in expression among breast tumor samples .
 ( DNA: coexpressed genes, None) , ( cell type: mammary epithelial cells, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: coexpressed genes, None) , ( cell type: mammary epithelial cells, None) 