14827
Tal-1 gene encodes a putative transcription factor with a basic helix-loop-helix domain and is known to be predominantly expressed in hematopoietic cells .
 Tal-1 gene, hematopoietic cells, transcription factor, basic helix-loop-helix domain
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:
 Tal-1 gene, hematopoietic cells, transcription factor, basic helix-loop-helix domain