The invention belongs to the field of clinical technology, and provides preparation and clinical application of
growth differentiation factor 11 (GDF11) mRNA for promoting
wound healing, and the preparation method comprises the following steps: S1, carrying out N1 psi modification on GDF11 mRNA, and replacing
uracil in an original sequence with N1 psi; s2, synthesizing the modified GDF11 mRNA (
messenger Ribonucleic Acid); s3, purifying the synthesized GDF11 mRNA (
messenger Ribonucleic Acid), so as to obtain mRNA with modified
nucleoside; by optimizing the preparation method of
growth differentiation factor 11 (GDF11) mRNA, the preparation method comprises the following steps: performing N1 psi modification, synthesizing by adopting a
vaccinia enzyme m capping 7G capping
system, adding a poly (A)
tail, purifying, and wrapping in lipid nanoparticles (LNP) to form a stable
delivery system, so that the stability and translation efficiency of mRNA are remarkably improved, and the stability and translation efficiency of the GDF11 are remarkably improved. And the defects existing in treatment by directly using the GDF11
protein in the prior art are overcome, an efficient and safe new strategy is provided for diabetes
wound treatment, and remarkable beneficial effects are achieved.