nuri77Distinguishing true Ag-stimulated lymphocytes from bystanders activated by the inflammatory milieu has been difficult. Nur77 is an immediate early gene whose expression isNur77-GFP reporter mice as a useful tool study Nur77 promoter activity during renal IRI. (A) Induction of GFP transcript level mirrored that of Nur77 in the kidney tissues 24 hours after IRI,