8531
The type I human T-cell leukemia virus ( HTLV-I ) induces abnormal growth and subsequent transformation of T cells , which is associated with the development of an acute T-cell malignancy termed adult T-cell leukemia .
 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:
 T cells