Cell Movement/immunology; Chemokines/immunology; Dendritic Cells/immunology; Killer Cells, Natural/immunology; Lichen Planus, Oral/immunology; Receptors, Chemokine/immunology; Chemokines/biosynthesis; Dendritic Cells/metabolism; Dendritic Cells/pathology; Dermis/immunology; Dermis/metabolism; Dermis/pathology; Endothelium/immunology; Endothelium/metabolism; Endothelium/pathology; Female; Gene Expression Regulation/immunology; Humans; Inflammation/immunology; Inflammation/metabolism; Inflammation/pathology; Intercellular Signaling Peptides and Proteins; Interleukin-15/biosynthesis; Interleukin-15/immunology; Interleukin-2/biosynthesis; Interleukin-2/immunology; Killer Cells, Natural/metabolism; Killer Cells, Natural/pathology; Lichen Planus, Oral/metabolism; Lichen Planus, Oral/pathology; Male; Membrane Glycoproteins/biosynthesis; Membrane Glycoproteins/immunology; Receptors, Chemokine/biosynthesis