Here we present a cell-based flow cytometry method to detect neutralizing antibodies or other factors that interfere with the cellular uptake of enzyme replacement therapies in a human matrix, such as cerebral spinal fluid (CSF) or human serum.
Cheung, R., deHart, G. W., Jesaitis, L., Zoog, S. J., Melton, A. C. Detection of Antibodies That Neutralize the Cellular Uptake of Enzyme Replacement Therapies with a Cell-based Assay. J. Vis. Exp. (139), e57777, doi:10.3791/57777 (2018).