Abstract

Aim: To deliver syringic acid (SA) with a nanocarrier and enhance its function. Materials & methods: mPEG-PLGA-PLL (PEAL) nanoparticles were used to deliver SA. The characterization, storage stability, drug release, blood-compatibility and biocompatibility of SA-PEAL were detected by in vitro and in vivo assays. Cellular phenotypic experiments and rat sciatic nerve injury models were used to evaluate the function of SA-PEALs. Results: SA-PEAL had good storage stability, blood-compatibility and biocompatibility and could slowly release SA. SA-PEAL significantly enhanced the proliferation and migration ability of Schwann cells and function recovery of injured sciatic nerves. Conclusion: Our study provides an effective nano-delivery system for enhancing the neural repair function of SA and promoting further applications of SA.

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