No significant differences in plasma IL-17 (518.2±75 pg/ml versus 466.1±92 pg/ml; p>0.05), IL-4 (57.7±8.4 pg/ml versus 56.8±10.8 pg/ml; p>0.05) or TGF-β (747.4±342.6 pg/ml versus 759.7±126.5 pg/ml; p>0.05) were observed between patients with OCP and healthy subjects. The gene discussed is IL17A; the disease is ocular cicatricial pemphigoid.