Cell Tracking In article number 2207626, Jeff W.M. Bulte, Chao Wang, and Ali Shakeri-Zadeh review the occasional adverse effects encountered with magnetic labeling of cells for in vivo cell tracking using resonance imaging (MRI) particle imaging. Mesenchymal stem (MSCs) are abundant mannose residues on their membrane. Using mannose-sensitive chemical exchange saturation transfer MRI, MSCs is no...