11203
In earlier studies, we have identified the transcription factors NF-kappa B and AP-1 as molecular targets for oxidative signalling processes during cell cycle entry , and have shown that oxidative signalling is involved in the regulation of early changes in gene expression during the G0 to G1 phase transition .
 transcription factors, NF-kappa B, AP-1
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:
 transcription factors, NF-kappa B, AP-1