
Keywords: GAG، glycosaminoglycans; LC, langerhan cells; GAG, glycosaminoglycans; MMP, Matrix Metalloproteinase; CPD, cyclo-butane pyrimidine dimers; UCA, urocanic acid; PAC, poly-aromatic carbons; PCB, polychlorinated benzene; HA, hyaluronic acid; ICAM, Inter-Cellular Adhesion Molecule; CH