12060
Furthermore, recombinant TIMP-1 , but not TIMP-2 or a synthetic metalloproteinase inhibitor ( BB-94 ), confers resistance to apoptosis induced by both CD95-dependent and -independent ( cold shock , serum deprivation , and gamma-radiation ) pathways in TIMP-1 -negative BL lines .
 TIMP-1, TIMP-1, TIMP-1 -negative BL lines, TIMP-2
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:
 TIMP-1, TIMP-1, TIMP-1 -negative BL lines, TIMP-2