4919
The expression of MIP-1 alpha is induced during cellular activation of CD4+ T-cells and monocytes .
 MIP-1 alpha, monocytes, CD4+ T-cells
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:
 MIP-1 alpha, monocytes, CD4+ T-cells