3553
Second, T cells , which lack CD45 and cannot signal via the TCR , supported higher levels of viral replication and gene expression.
 T cells, CD45, TCR
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:
 T cells, CD45, TCR