Background: Glial cell line-derived neurotrophic factor (GDNF), produced by basal cell keratinocytes, is a neurotrophic factor that plays diverse developmental roles and together with its cognate receptor (GFR Rα-1) are distal members of the transforming growth factor- β super family. To date, their expression pattern in lichen planus is still unknown. Objectives: To investigate the immunohis to chemical expression patterns ... Read more

Background: Hepatitis C virus, has been associated with a wide variety of extrahepatic manifestations (EHM) in the natural history of the disease. Lichen planus (LP) has also been reported in association with the hepatitis C virus. Objective is to determine the frequency of HCV in patients with LP in Sohag University Hospital. Patients and methods: The study was carried out ... Read more