11000
Higher concentrations of A beta (25-35) were effective by themselves in inducing NF-kappa B activation , both in the N9 microglial cell line and in rat primary microglia , as well as in human monocytes .
 rat primary microglia, NF-kappa B, N9 microglial cell line, human monocytes, microglia
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:
 rat primary microglia, NF-kappa B, N9 microglial cell line, human monocytes, microglia