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Transcription factor binding to the core promoter of the human monoamine oxidase B gene in the cerebral cortex and in blood cells .
 Transcription factor, human monoamine oxidase B gene, core promoter, blood cells
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 factor, human monoamine oxidase B gene, core promoter, blood cells