A Method for Preparation of an Internal Layer of Artificial Vascular Graft Co-Modified with Salvianolic Acid B and Heparin

ACS Applied Materials & Interfaces
Haizhu KuangXiumei Mo

Abstract

Studies have shown that salvianolic acid B (SAB), which is derived from Chinese salvia ( Salvia miltiorrhiza), a plant used in traditional Chinese medicine, can promote the proliferation and migration of endothelial cells. The inner layer of an artificial vascular graft was fabricated using the coaxial electrospinning method and was loaded with the anticoagulant heparin and SAB. The release of heparin and SAB was sustained for almost 30 days and without an initial burst release of SAB. Furthermore, the combined effect of SAB and heparin contributed to promoting human umbilical vein endothelial cell (HUVEC) growth and improved the blood compatibility of the graft. In addition, upregulation of GRP78 by SAB protected human endothelial cells from oxidative stress-induced cellular damage. In vivo evaluation through Masson's trichrome and H&E staining was performed after the graft was subcutaneously embedded in SD rats for 2 weeks and indicated that the graft possessed satisfactory biocompatibility and did not cause a significant immune response. Hence, the functional inner layer is promising for preventing acute thrombosis and promotes rapid endothelialization of artificial vascular grafts.

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Citations

Feb 13, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Dongfang WangLih-Sheng Turng
Apr 16, 2020·Antibiotics·Catarina S MirandaHelena P Felgueiras
May 24, 2019·Evidence-based Complementary and Alternative Medicine : ECAM·Jinghui ZhaiSixi Zhang
Jul 12, 2019·Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology·Liang ChenChuanglong He
Nov 25, 2020·Journal of Controlled Release : Official Journal of the Controlled Release Society·Xingzi LanYadong Tang
Mar 3, 2021·Journal of Materials Science. Materials in Medicine·Andreas DimopoulosDimosthenis Mavrilas
Aug 11, 2021·Pharmaceutics·Elham RastegariYueh Chien

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