Centogene AG 1 article published in JoVE Medicine In Vitro Enzyme Measurement to Test Pharmacological Chaperone Responsiveness in Fabry and Pompe Disease Jan Lukas1, Anne-Marie Knospe1, Susanne Seemann1, Valentina Citro2, Maria V. Cubellis2, Arndt Rolfs1,3 1Albrecht-Kossel-Institute, University Rostock Medical Center, 2Department of Biology, University Federico II, 3Centogene AG There is a demand to make pre-clinical testing for a novel class of "orphan" drugs called pharmacological chaperones reproducible, fast, and efficient. We developed a simple, highly standardized, and versatile cell culture-based assay to screen for eligible patients as well as novel pharmacological chaperone drugs.