Protein levels in cells and tissues are often tightly regulated by the balance of protein production and clearance. Using Fluorescence Decay After Photoconversion (FDAP), the clearance kinetics of proteins can be experimentally measured in vivo.
Rogers, K. W., Bläßle, A., Schier, A. F., Müller, P. Measuring Protein Stability in Living Zebrafish Embryos Using Fluorescence Decay After Photoconversion (FDAP). J. Vis. Exp. (95), e52266, doi:10.3791/52266 (2015).