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. 2019 Nov 18;10(2):368–379. doi: 10.1007/s13346-019-00692-5

Fig. 1.

Fig. 1

Example of Protein Biomarker. Prestin is an OHC-specific protein that is the prototype biomarker for targeted drug delivery: it only exists on the OHCs, has an extracellular domain, and there is an available ligand that can specifically target this extracellular domain (arrow). Figured adapted with permission from Springer Nature. Dallos P and Fakler B. Prestin, a new type of motor protein. Nature Reviews. Molecular Cell Biology, Vol 3, 104-111, 2002