“Conjunctival impression cytology was taken from the patients treated with PRA plus SH before and after treatment and real-time polymerase chain reaction (RT-PCR) was performed to detect the changes of human leukocyte antigen DR (HLA-DR) and intercellular adhesion molecule 1 (ICAM-1).”
“Patients treated with PRA plus SH had a reduced expression level of HLA-DR and were statistically different after 28 days of therapy.”