To extend our previously reported bright-ferritin cell tracking platform to monitoring stem cell therapy, we investigated tracking human embryonic stem cells transplanted intramuscularly in immune-compromised mice. With this technology, the stem cells impart a bright, T1-induced contrast. In-vitro assays of viability and pluripotency, and imaging both in vitro on cell pellets and in vivo in mice were performed. Monitoring mice on MRI over two months confirmed the ability to assess cell survival and teratoma formation non-invasively.
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Zhuang et al. (2024) studied this question.
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