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We show that the constitutive expression of the T24 Ha-ras oncogene in EBV-immortalized B lymphoblasts was associated with the induction of the interleukin 2 receptor alpha subunit , with an impaired immunoglobulin gene expression , altered adhesion properties and increased survival in serum-free medium .
 ( DNA: immunoglobulin gene, None) , ( cell line: EBV-immortalized B lymphoblasts, None) , ( DNA: T24 Ha-ras oncogene, None) , ( protein: interleukin 2 receptor alpha subunit, 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: immunoglobulin gene, None) , ( cell line: EBV-immortalized B lymphoblasts, None) , ( DNA: T24 Ha-ras oncogene, None) , ( protein: interleukin 2 receptor alpha subunit, None) 