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Shattering barriers toward clinically meaningful MSC therapies

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To realize the potential of MSCs, bioengineering is needed to boost potency and control heterogeneity. More than 1050 clinical trials are registered at FDA.gov that explore multipotent mesenchymal stromal cells… Click to show full abstract

To realize the potential of MSCs, bioengineering is needed to boost potency and control heterogeneity. More than 1050 clinical trials are registered at FDA.gov that explore multipotent mesenchymal stromal cells (MSCs) for nearly every clinical application imaginable, including neurodegenerative and cardiac disorders, perianal fistulas, graft-versus-host disease, COVID-19, and cancer. Several companies have or are in the process of commercializing MSC-based therapies. However, most of the clinical-stage MSC therapies have been unable to meet primary efficacy end points. The innate therapeutic functions of MSCs administered to humans are not as robust as demonstrated in preclinical studies, and in general, the translation of cell-based therapy is impaired by a myriad of steps that introduce heterogeneity. In this review, we discuss the major clinical challenges with MSC therapies, the details of these challenges, and the potential bioengineering approaches that leverage the unique biology of MSCs to overcome the challenges and achieve more potent and versatile therapies.

Keywords: msc therapies; clinically meaningful; shattering barriers; toward clinically; msc; barriers toward

Journal Title: Science Advances
Year Published: 2020

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