Regenerative medicine: Current therapies and future directions

The face of global healthcare.

Regenerative medicine: Current therapies and future directions

Angelo S. Maoa,b and David J. Mooneya,

¹ John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138; and ²Wyss Institute for Biologically Inspired Engineering at Harvard University, Cambridge, MA 02138

Edited by Mark E. Davis, California Institute of Technology, Pasadena, CA, and approved September 4, 2015 (received for review June 12, 2015)

Organ and tissue loss through disease and injury motivate the development of therapies that can regenerate tissues and decrease reliance on transplantations. Regenerative medicine, an interdisciplinary field that applies engineering and life science principles to promote regeneration,
can potentially restore diseased and injured tissues and whole organs. Since the inception of the field several decades ago, a number of regenerative medicine therapies, including those designed for wound healing and orthopedics applications, have received Food and Drug Administration (FDA) approval and are now commercially available. These therapies and other regenerative medicine approaches currently
being studied in pre-clinical and clinical settings will be covered in this review. Specifically, developments in fabricating sophisticated grafts and tissue mimics and technologies for integrating grafts with host vasculature will be discussed. Enhancing the intrinsic regenerative capacity of
the host by altering its environment, whether with cell injections or immune modulation, will be addressed, as well as methods for exploiting recently developed cell sources. Finally, we propose directions for current and future regenerative medicine therapies.

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