Within 2 to 4 h of PMA exposure , steady state levels of TNF mRNA are markedly elevated in all myelomonocytic cell lines studied .
within 2 to 4 h of pma exposure , steady state levels of tnf mrna are markedly elevated in all myelomonocytic cell lines studied .
O O O O O O B-other_organic_compound O O O O O O B-protein_molecule O O O O O O B-cell_line I-cell_line I-cell_line O O