CCL22/MDC Protein, Rat is a CC chemokine that acts as a ligand for the CCR4 receptor and is a chemoattractant for CCR4-expressing cells such as Th2 cells, playing an important role in homeostatic and inflammatory responses. CCL22/MDC Protein, Rat is a recombinant rat CCL22/MDC (G25-A92) protein expressed by E. coli[1][2].