9172
Pharmacologic control of trans-gene expression in gene-modified T cells will not only facilitate new approaches to the study of different aspects of T cell biology , but will also provide the basis for new gene therapy strategies .
 gene-modified T 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:
 gene-modified T cells