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The Oct-2 transcription factor is a member of the POU (Pit-Oct-Unc) family of transcription factors and is expressed only in B lymphocytes and in neuronal cells but not in other cell types.
 Oct-2 transcription factor, neuronal cells, B lymphocytes, transcription factors, POU (Pit-Oct-Unc) family
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:
 Oct-2 transcription factor, neuronal cells, B lymphocytes, transcription factors, POU (Pit-Oct-Unc) family