ELASTICITY of DIFFERENTIATED and UNDIFFERENTIATED HUMAN NEUROBLASTOMA CELLS CHARACTERIZED by ATOMIC FORCE MICROSCOPY

Shijia Zhao, Alex Stamm, Jeong Soon Lee, Alexei Gruverman, Jung Y Lim, Linxia Gu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Human neuroblastoma (SH-SY5Y) cells, with its ability to differentiate into neurons, have been widely used as the in vitro cell culture model for neuroscience research, especially in studying the pathogenesis of Parkinson's disease (PD) and developing therapeutic strategies. Cellular elasticity could potentially serve as a biomarker to quantitatively distinguish undifferentiated and differentiated SH-SY5Y cells. The goal of this work is to characterize the retinoic acid (RA) induced alternations of elastic properties of SH-SY5Y cells using atomic force microscopy (AFM). The elasticity was measured at multiple points of a single cell. Results have shown that the differentiation of SH-SY5Y cell led to a larger elastic modulus, which is three times more than that of undifferentiated cells. A higher indentation rate applied during AFM measurements led to a larger elastic modulus of the cell. This work provides new insights into the differentiation process identified by the elasticity marker, which could be extended to investigate the function, health and ageing of cells.

Original languageEnglish (US)
Article number1550069
JournalJournal of Mechanics in Medicine and Biology
Volume15
Issue number5
DOIs
StatePublished - Oct 1 2015

Fingerprint

Elasticity
Atomic force microscopy
Elastic moduli
Biomarkers
Indentation
Cell culture
Neurons
Aging of materials
Health
Acids

Keywords

  • Elasticity
  • differentiation
  • human neuroblastoma SH-SY5Y cells
  • retinoic acid

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

ELASTICITY of DIFFERENTIATED and UNDIFFERENTIATED HUMAN NEUROBLASTOMA CELLS CHARACTERIZED by ATOMIC FORCE MICROSCOPY. / Zhao, Shijia; Stamm, Alex; Lee, Jeong Soon; Gruverman, Alexei; Lim, Jung Y; Gu, Linxia.

In: Journal of Mechanics in Medicine and Biology, Vol. 15, No. 5, 1550069, 01.10.2015.

Research output: Contribution to journalArticle

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