7143
LPMC exhibited increased IL-2 production in response to CD28 costimulation, compared with cells activated through CD2 alone.
 IL-2, CD2, LPMC, CD28
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:
 IL-2, CD2, LPMC, CD28