Ceylan Onursal, member of the CPC Research School/ Environmental Health and Lung Research School, successfully defended her Ph.D. thesis: "Differential effects of prolyl-3-hydroxylases 1 and 4 on collagen biosynthesis highlight prolyl-3-hydroxylase 4 as a potential novel drug target in pulmonary fibrosis“ on July 18, 2023. Ceylan was a doctoral candidate (Ph.D.) in Claudia Staab-Weijnitz's lab at the LHI/CPC. Congratulations!