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To further unravel the tal-1 oncogenic potential , a strain of tal-1 transgenic mice was crossbred with p53-/- mice ; the survival rate in these animals was reduced by more than one-half when compared with that of tal-1 mice , and histopathological analysis revealed exclusively T-cell lymphomas .
 ( DNA: tal-1, None) , ( DNA: tal-1, None) , ( cell type: T-cell, None) , ( DNA: tal-1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: tal-1, None) , ( DNA: tal-1, None) , ( cell type: T-cell, None) , ( DNA: tal-1, None) 