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These included vimentin , correlating to cell shape changes , cytokeratins 8 and 18 , associated with differentiated cell types of prostate epithelia , and neuron-specific enolase and serotonin , associated with neuroendocrine cells .
 neuroendocrine cells, differentiated cell types, neuron-specific enolase, vimentin
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:
 neuroendocrine cells, differentiated cell types, neuron-specific enolase, vimentin