5029
Although GABP expression is not restricted to the hematopoietic lineage , its interaction with other specific factors may contribute to the tissue-specific expression of the gammac gene .
 specific factors, hematopoietic lineage, gammac gene, GABP
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:
 specific factors, hematopoietic lineage, gammac gene, GABP