Phase-contrast images of (A) RAW; (B) DRAW and (C) CDRAW cells. Magnification: 400×. Protein array analysis of secreted cytokines by (D) RAW; (E) DRAW and (F) CDRAW cells. Cells were seeded at a density of 6 × 105 cells/well in 6-well plates. Culture supernatants were collected after 48 h and analyzed with RayBiotech's mouse cytokine antibody array III (G). Spots with differentially regulated cytokines are encircled.