... that these in ltrating cells are involved in an in ammatory ⁄ reactive process creating an environment that allows, and probably promotes, the survival of H-RS cells [2] Cytokines and chemokines ... features of cHL, it was of interest to investigate the expression of lipoxygenases in H-RS cells and the formation of arachidonic acid metabolites by these cells Results Expression and localization of ... Furthermore, the UV spectra of the materials in peaks II and IV were in agreement with the UV spectra for eoxins (Fig 4, inset) [11] To further analyze the identity of the materials in peak II and...