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Here we show that the I alpha1 promoter contains several binding sites for the AML /PEBP2/CBF family of transcription factors and that AML and Ets proteins are major regulators of the basal and TGF-beta-inducible promoter activity .
 AML /PEBP2/CBF family of transcription factors, transcription factors, AML
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:
 AML /PEBP2/CBF family of transcription factors, transcription factors, AML