In both T cells and HeLa cells HIV-1 Tat suppressed the expression of Mn-dependent superoxide dismutase ( Mn-SOD ) , a mitochondrial enzyme that is part of the cellular defense system against oxidative stress .
in both t cells and hela cells hiv-1 tat suppressed the expression of mn-dependent superoxide dismutase ( mn-sod ) , a mitochondrial enzyme that is part of the cellular defense system against oxidative stress .
O O B-cell_type I-cell_type O B-cell_line I-cell_line B-virus O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O B-protein_molecule I-protein_molecule O O O O O O O O O B-other_name I-other_name O