In gene-activated matrix technology (GAM), cytokines and growth factors could be delivered not as recombinant proteins but as plasmid genes.
[1] GAM is one of the tissue engineering approaches to wound healing.
Following gene delivery, the recombinant cytokine could be expressed in situ by endogenous would healing cells – in small amounts but for a prolonged period of time – leading to reproducible tissue regeneration.
The matrix can be modified by incorporating a viral vector, mRNA or DNA bound to a delivery system, or a naked plasmid.
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