2750
No correlation between chromosome 1 alterations and nuclear grade , age, size, lymph-node involvement , hormonal receptor presence , proliferation activity or p53 protein expression was detected.
 ( protein: p53, None) , ( DNA: chromosome 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:
 ( protein: p53, None) , ( DNA: chromosome 1, None) 