The present invention relates to methods kits and combined compositions using DFO-metal complexes, specifically, Zinc-desferrioxamine (Zn-DFO), gallium-desferrioxamine (Ga-DFO) complexes and any combinations thereof for preventing, treating, ameliorating or inhibiting an immune-related disorder, specifically, a skin-related inflammatory disorder such as psoriasis, an inflammatory respiratory condition such as asthma, and an autoimmune disease such as diabetes and any immune-related disorder.