scholarly journals Neural Tissue Engineering: Hybrid Conducting Polymer-Hydrogel Conduits for Axonal Growth and Neural Tissue Engineering (Adv. Healthcare Mater. 6/2012)

2012 ◽  
Vol 1 (6) ◽  
pp. 681-681 ◽  
Author(s):  
Mohammad R. Abidian ◽  
Eugene D. Daneshvar ◽  
Brent M. Egeland ◽  
Daryl R. Kipke ◽  
Paul S. Cederna ◽  
...  
Keyword(s):  
Tissue Engineering ◽  
Conducting Polymer ◽  
Neural Tissue ◽  
Axonal Growth ◽  
Neural Tissue Engineering ◽  
Polymer Hydrogel

scholarly journals Hybrid Conducting Polymer-Hydrogel Conduits for Axonal Growth and Neural Tissue Engineering

2012 ◽  
Vol 1 (6) ◽  
pp. 762-767 ◽  
Author(s):  
Mohammad R. Abidian ◽  
Eugene D. Daneshvar ◽  
Brent M. Egeland ◽  
Daryl R. Kipke ◽  
Paul S. Cederna ◽  
...  
Keyword(s):  
Tissue Engineering ◽  
Conducting Polymer ◽  
Neural Tissue ◽  
Axonal Growth ◽  
Neural Tissue Engineering ◽  
Polymer Hydrogel

Directing Axonal Growth: A Review on the Fabrication of Fibrous Scaffolds That Promotes the Orientation of Axons

Gels ◽  
2021 ◽  
Vol 8 (1) ◽  
pp. 25
Author(s):  
Devindraan Sirkkunan ◽  
Belinda Pingguan-Murphy ◽  
Farina Muhamad
Keyword(s):  
Tissue Engineering ◽  
Extracellular Matrix ◽  
Neuronal Cells ◽  
Neural Tissue ◽  
Axonal Growth ◽  
Structural Proteins ◽  
Neural Cells ◽  
Neural Tissue Engineering ◽  
Fibrous Scaffolds ◽  
Specialized Function

Tissues are commonly defined as groups of cells that have similar structure and uniformly perform a specialized function. A lesser-known fact is that the placement of these cells within these tissues plays an important role in executing its functions, especially for neuronal cells. Hence, the design of a functional neural scaffold has to mirror these cell organizations, which are brought about by the configuration of natural extracellular matrix (ECM) structural proteins. In this review, we will briefly discuss the various characteristics considered when making neural scaffolds. We will then focus on the cellular orientation and axonal alignment of neural cells within their ECM and elaborate on the mechanisms involved in this process. A better understanding of these mechanisms could shed more light onto the rationale of fabricating the scaffolds for this specific functionality. Finally, we will discuss the scaffolds used in neural tissue engineering (NTE) and the methods used to fabricate these well-defined constructs.

Enhanced Cellular Activity on Conducting Polymer

2021 ◽  
pp. 734-773
Author(s):  
Rajiv Borah ◽  
Ashok Kumar
Keyword(s):  
Tissue Engineering ◽  
Conducting Polymer ◽  
Neural Tissue ◽  
Neuronal Model ◽  
Neural Tissue Engineering ◽  
Electrically Conductive ◽  
Pc12 Cell Line ◽  
Nih 3T3

This chapter includes detailed review of the research undertaken with conducting polymer (CP) based composites with chitosan (Ch) for tissue engineering till date. The beneficial role of electrically conductive biomaterials has been discussed with the possible strategies to overcome the shortcomings of CP alone through blending with Ch due to its excellent biocompatibility, biodegradability, and bioactivity. Additionally, this embodiment deals with the optimization and characterization of electrically conductive, biocompatible and biodegradable Polyaniline: Chitosan (PAni:Ch) nanocomposites as cell culture substrates for MDA-MB-231 and NIH 3T3 fibroblast in order to examine the combined effect of nanofiber structure and surface modification on cell-biomaterial interactions. The nanocomposites were further checked as a conductive scaffold for electrical stimulation of a neuronal model PC12 cell line in order to explore the potential of the materials in neural tissue engineering.

Enhanced Cellular Activity on Conducting Polymer

2019 ◽  
pp. 150-189
Author(s):  
Rajiv Borah ◽  
Ashok Kumar
Keyword(s):  
Tissue Engineering ◽  
Conducting Polymer ◽  
Neural Tissue ◽  
Neuronal Model ◽  
Neural Tissue Engineering ◽  
Electrically Conductive ◽  
Pc12 Cell Line ◽  
Nih 3T3

This chapter includes detailed review of the research undertaken with conducting polymer (CP) based composites with chitosan (Ch) for tissue engineering till date. The beneficial role of electrically conductive biomaterials has been discussed with the possible strategies to overcome the shortcomings of CP alone through blending with Ch due to its excellent biocompatibility, biodegradability, and bioactivity. Additionally, this embodiment deals with the optimization and characterization of electrically conductive, biocompatible and biodegradable Polyaniline: Chitosan (PAni:Ch) nanocomposites as cell culture substrates for MDA-MB-231 and NIH 3T3 fibroblast in order to examine the combined effect of nanofiber structure and surface modification on cell-biomaterial interactions. The nanocomposites were further checked as a conductive scaffold for electrical stimulation of a neuronal model PC12 cell line in order to explore the potential of the materials in neural tissue engineering.

Electrospinning 3D Scaffolds for use in Neural Tissue Engineering

2015 ◽  
Vol 1798 ◽  
Author(s):  
Rachel Martin ◽  
M. E. Mullins ◽  
F. Zhao ◽  
Zichen Qian
Keyword(s):  
Tissue Engineering ◽  
3D Structure ◽  
Neural Tissue ◽  
Axonal Growth ◽  
Growth Media ◽  
Neural Tissue Engineering ◽  
Growth Environment ◽  
Polymer Nanofiber

ABSTRACTPolymer nanofiber scaffolds for use in neural tissue engineering have been fabricated via electrospinning of poly-L-lactic acid (PLLA) directly onto a 3D printed support. Previously, the investigators have shown success in promoting the directed growth of neural axons on highly aligned PLLA substrates both in vitro and in vivo. However, one criticism of the earlier in vitro studies is that by spinning fibers on a flat, two-dimensional surface, the growth of the axons is restricted to one plane. Thus the axon-to-fiber attachment may not be the sole mechanism for aligning the growth of the axons along the fibers, and the channels between the fibers and the substrate could contribute to the results. Using 3D-printing, elevated or “bridge” spinning stages were made with supports at varying heights, allowing the fibers to be suspended 2 to 5 mm above the substrate surface in different configurations. This 3D structure promotes better access of in vitro cell cultures on the fibers to the growth media during incubation, reduces substrate effects, allows more degrees of freedom for axonal growth, and more closely simulates the growth environment found in vivo. Using these 3D stages, we have electrospun free-standing, highly-aligned pure PLLA fiber scaffolds. We are exploring spinning coaxial fibers with a PLLA sheath and a second core polymer. These coaxial fiber scaffold structures offer additional opportunities for in situ delivery of growth agents and/or electrical stimulation for improved axonal growth results.

scholarly journals Spidroin Silk Fibers with Bioactive Motifs of Extracellular Proteins for Neural Tissue Engineering

ACS Omega ◽  
2021 ◽  
Author(s):  
Veronica A. Revkova ◽  
Konstantin V. Sidoruk ◽  
Vladimir A. Kalsin ◽  
Pavel A. Melnikov ◽  
Mikhail A. Konoplyannikov ◽  
...  
Keyword(s):  
Tissue Engineering ◽  
Neural Tissue ◽  
Extracellular Proteins ◽  
Neural Tissue Engineering ◽  
Silk Fibers

scholarly journals Electrospun Nanofibrous Materials for Neural Tissue Engineering

Polymers ◽  
2011 ◽  
Vol 3 (1) ◽  
pp. 413-426 ◽  
Author(s):  
Yee-Shuan Lee ◽  
Treena Livingston Arinzeh
Keyword(s):  
Tissue Engineering ◽  
Neural Tissue ◽  
Neural Tissue Engineering

scholarly journals Electrospun Polyvinylidene Fluoride-Based Fibrous Scaffolds with Piezoelectric Characteristics for Bone and Neural Tissue Engineering

Nanomaterials ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 952 ◽  
Author(s):  
Li ◽  
Liao ◽  
Tjong
Keyword(s):  
Tissue Engineering ◽  
Polyvinylidene Fluoride ◽  
Neural Tissue ◽  
Electrospinning Process ◽  
Neural Cells ◽  
Neural Tissue Engineering ◽  
Engineering Applications ◽  
Pore Sizes ◽  
Β Phase ◽  
Small Pore

Polyvinylidene fluoride (PVDF) and polyvinylidene fluoride-trifluoroethylene (P(VDF-TrFE) with excellent piezoelectricity and good biocompatibility are attractive materials for making functional scaffolds for bone and neural tissue engineering applications. Electrospun PVDF and P(VDF-TrFE) scaffolds can produce electrical charges during mechanical deformation, which can provide necessary stimulation for repairing bone defects and damaged nerve cells. As such, these fibrous mats promote the adhesion, proliferation and differentiation of bone and neural cells on their surfaces. Furthermore, aligned PVDF and P(VDF-TrFE) fibrous mats can enhance neurite growth along the fiber orientation direction. These beneficial effects derive from the formation of electroactive, polar β-phase having piezoelectric properties. Polar β-phase can be induced in the PVDF fibers as a result of the polymer jet stretching and electrical poling during electrospinning. Moreover, the incorporation of TrFE monomer into PVDF can stabilize the β-phase without mechanical stretching or electrical poling. The main drawbacks of electrospinning process for making piezoelectric PVDF-based scaffolds are their small pore sizes and the use of highly toxic organic solvents. The small pore sizes prevent the infiltration of bone and neuronal cells into the scaffolds, leading to the formation of a single cell layer on the scaffold surfaces. Accordingly, modified electrospinning methods such as melt-electrospinning and near-field electrospinning have been explored by the researchers to tackle this issue. This article reviews recent development strategies, achievements and major challenges of electrospun PVDF and P(VDF-TrFE) scaffolds for tissue engineering applications.

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