Task: Named Entity Recognition
Input (English):  Furthermore , preincubation of lymphocytes with D609 resulted in a significant diminution of ionizing radiation ( IR ) - induced 1 ) production of reactive oxygen species ; 2 ) decrease in intracellular reduced glutathione ; 3 ) oxidative damage to proteins and lipids ; and 4 ) activation of nuclear factor - kappaB .
Output (English): nuclear factor