1965
The present paper studies the expression of the NM23 .H1 gene in cell lines which derive from primary or metastatic human malignant melanomas in relation to staging, infiltration degree, lymphocytic infiltration , cell morphology , cell pigmentation , karyotype , and disease-free survival .
 ( cell line: cell lines, None) , ( protein: NM23, None) , ( DNA: NM23 .H1 gene, 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:
 ( cell line: cell lines, None) , ( protein: NM23, None) , ( DNA: NM23 .H1 gene, None) 