Seeing Stem Cells in the Body: Magnetic Particle Imaging

A big obstacle to developing stem cell therapies is being able to visualize the cells inside the body. This will be critical to confirm that the stem cells are targeted to the right place and are providing therapeutic benefit. Current imaging technology are not adequate for tracking stem cells in vivo. Magnetic Particle Imaging, MPI, is a new methodology that has promise to be 200 times more sensitive than magnetic resonance imaging (MRI). To treat patients, stem cell-based therapies must be followed in the body to show they’re safe and effective. At the May 24th, 2012 CIRM governing board meeting, CIRM grantee Steven Conolly described a powerful new imaging technology that could help track stem cells after injection.  Conolly has a CIRM Tools and Technology grant.

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