Electrospun PCL/collagen hybrid nanofibrous tubular graft based on post-network bond processing for vascular substitute
Source abstract
Abstract
Inhibiting thrombus formation and intimal hyperplasia is essential for orthotopic tissue-engineered vascular grafts. The matching mechanical properties of autologous blood vessels and inhibition of platelet aggregation are considered as two points to improve the success rate of transplantation. The poly(ε-caprolactone)/collagen/heparin composite vascular graft (PCLHC) with three-dimensional network structure were constructed by electrospinning, which can mimic natural vascular biomechanics and enhance the viability of cells viability in vitro. The hybrid collagen matrix network nanofibers formed by electrospinning exhibited uniform and smooth morphology. The results of mechanical experiments showed that PCLHC had similar mechanical properties to natural blood vessels. And the addition of heparin enhanced the anticoagulation of PCLHC. Simultaneous three-component hybrid nanofibers showed a potentially reliable ability to promote the proliferation of human umbilical vein endothelial cells (HUVECs). In summary, all the results showed that the three-dimensional network structure of PCLHC presented the potential to heal injured vessels.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrospun Nanofibers in Biomedical Applications · Tissue Engineering and Regenerative Medicine · Cardiac and Coronary Surgery Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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