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Recently, many investigators have been interested in the study on eosinophil biology since genes association with eosinophils such as interleukin-5 or eosinophil granule proteins ( EPO , ECP , EDN , MBP , and CLC ), were isolated.
 ECP, eosinophil granule proteins, EDN, interleukin-5, eosinophils, MBP, EPO, CLC, eosinophil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 ECP, eosinophil granule proteins, EDN, interleukin-5, eosinophils, MBP, EPO, CLC, eosinophil