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In order to elucidate a mechanism for cancer - induced osteoclastogenesis , cells from a human breast cancer line , MDA - MB - 231 , were directly co - cultured with ST2 , MC3T3 - E1 , or with primary mouse calvarial cells .
 cancer, cells, breast cancer line, MDA - MB - 231, ST2, MC3T3 - E1, calvarial cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 cancer, cells, breast cancer line, MDA - MB - 231, ST2, MC3T3 - E1, calvarial cells