A Co-culture Nanofibre Scaffold Model of Neural Cell Degeneration in Relevance to Parkinson's Disease

Overview

Journal Sci Rep

Specialty Science

Date 2020 Feb 19

PMID 32066745

Citations 7

Authors

Joseph M Chemmarappally

Henry C N Pegram

Neranga Abeywickrama

Enzo Fornari

Alan J Hargreaves

Luigi A De Girolamo

Bob Stevens

Affiliations

Soon will be listed here.

Abstract

Current therapeutic strategies for Parkinson's disease (PD) aim to delay progression or replace damaged neurons by restoring the original neuronal structures. The poor regenerative capacity of neural tissue highlights the need for the development of cellular environments to model the pathogenesis of PD. In the current work, we have characterised the growth, survival and response to PD mimetics of human SH-SY5Y neuroblastoma and U-87MG glioblastoma cell lines cultured on polyacrylonitrile (PAN) and Jeffamine® doped polyacrylonitrile (PJ) nano-scaffolds. Differentiation induced by a range of agents was evaluated by immunoassays of neural protein biomarkers. PAN and PJ nanofibre scaffolds provided suitable three-dimensional (3D) environment to support the growth, differentiation and network formation of dopaminergic neuron- and astrocyte-like cell populations, respectively. The scaffolds selectively supported the survival and differentiation of both cell populations with prolonged neuronal survival when exposed to PD mimetics in the presence of astrocytes in a co-culture model. Such 3D nanoscaffold-based assays could aid our understanding of the molecular basis of PD mimetic-induced Parkinsonism and the discovery of neuroprotective agents.

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