... and species, the challenge and sensitization protocol, and the phase of the response. The reasons for this are probablyrelated to contributions by other CCR3 ligands, otherchemokine receptors ... airway epithelial cells, airway smooth musclecells, vascular endothelial cells and macrophages, as wellas eosinophils themselves) [30,37,38]. Thus, cytokinesthat are synthesized by Th2 lymphocytes, ... mRNA and protein in the epithelium and submucosa of their airwaysas compared with normal control individuals. In the BALcells the eotaxin immunoreactivity colocalized mainly tomacrophages, with...