tokens: We recently confirmed the existence of gelatinase granules as a subpopulation of peroxidase-negative granules by double-labeling immunogold electron microscopy on intact cells and by subcellular fractionation .
folded_tokens: we recently confirmed the existence of gelatinase granules as a subpopulation of peroxidase-negative granules by double-labeling immunogold electron microscopy on intact cells and by subcellular fractionation .
labels: O O O O O O B-cell_component I-cell_component O O O O B-cell_component I-cell_component O B-other_name I-other_name I-other_name I-other_name O O O O O B-other_name I-other_name O