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Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins complement the EBNA2-deficient Epstein-Barr virus strain P3HR1 in transformation of primary B cells but suppress growth of human B cell lymphoma lines .
 Epstein-Barr virus nuclear antigen 2, primary B cells, human B cell lymphoma lines, Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins
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:
 Epstein-Barr virus nuclear antigen 2, primary B cells, human B cell lymphoma lines, Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins