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Preparation of polypyrrole-embedded electrospun poly(lactic acid) nanofibrous scaffolds for nerve tissue engineering

by Sun, Xiao-dan , Peng, Jiang , Wang, Yi-guo , Zhou, Jun-feng , Cheng, Liang , Wu, Zhao

in Analysis / Biocompatibility / Cell adhesion & migration / Health aspects / Nanoparticles / nerve regeneration; polypyrrole; electrospinning; conductivity; electrical property; Schwann cells; human umbilical cord mesenchymal stem cells; nerve tissue engineering; nanofibrous scaffolds; neural regeneration / Physiological aspects / Polymerization / Pyrroles / Scanning electron microscopy / Stem cell transplantation / Stem cells / Tissue engineering / Topography / Umbilical cord

2016

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Preparation of polypyrrole-embedded electrospun poly(lactic acid) nanofibrous scaffolds for nerve tissue engineering

by Sun, Xiao-dan , Peng, Jiang , Wang, Yi-guo , Zhou, Jun-feng , Cheng, Liang , Wu, Zhao

2016

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Preparation of polypyrrole-embedded electrospun poly(lactic acid) nanofibrous scaffolds for nerve tissue engineering

by Sun, Xiao-dan , Peng, Jiang , Wang, Yi-guo , Zhou, Jun-feng , Cheng, Liang , Wu, Zhao

2016

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Journal Article

Preparation of polypyrrole-embedded electrospun poly(lactic acid) nanofibrous scaffolds for nerve tissue engineering

Sun, Xiao-dan,

Peng, Jiang,

Wang, Yi-guo,

Zhou, Jun-feng,

Cheng, Liang,

Wu, Zhao

2016

Overview

Polypyrrole (PPy) is a biocompatible polymer with good conductivity. Studies combining PPy with electrospinning have been reported; however, the associated decrease in PPy conductivity has not yet been resolved. We embedded PPy into poly(lactic acid) (PLA) nanofibers via electrospinning and fabricated a PLA/PPy nanofibrous scaffold containing 15% PPy with sustained conductivity and aligned topography. There was good biocompatibility between the scaffold and human umbilical cord mesenchymal stem cells as well as Schwann cells. Additionally, the direction of cell elongation on the scaffold was parallel to the direction of fibers. Our findings suggest that the aligned PLA/PPy nanofibrous scaffold is a promising biomaterial for peripheral nerve regeneration.

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Publisher

Wolters Kluwer India Pvt. Ltd,Medknow Publications and Media Pvt. Ltd,Medknow Publications & Media Pvt. Ltd,Medknow Publications & Media Pvt Ltd,Wolters Kluwer Medknow Publications

Subject

Analysis

/ Biocompatibility

/ Cell adhesion & migration

/ Health aspects

/ Nanoparticles

/ nerve regeneration; polypyrrole; electrospinning; conductivity; electrical property; Schwann cells; human umbilical cord mesenchymal stem cells; nerve tissue engineering; nanofibrous scaffolds; neural regeneration

/ Physiological aspects

/ Polymerization

/ Pyrroles

/ Scanning electron microscopy

/ Stem cell transplantation