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Evaluation of biochemical changes in skin-derived mesenchymal stem cells during in vitro neurodifferentiation by FT-IR analysis

  • University of Latvia

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research › peer-review

Abstract

Recently FT-IR analysis has been employed to study changes in molecular signatures during embryonic stem cell differentiation. We were interested to find out whether FT-IR spectroscopy could be applied to analyze changes in human skin mesenchymal stem cell (S-MSC) biochemical profile during in vitro neurodifferentiation. S-MSCs were propagated in serum-free medium with EGF and FGF-2 during six weeks. Neural progenitor cell line ReNcell CX (Millipore) was used as a reference cell line. Samples were collected each week and analyzed for neural marker nestin, tubulin βIII, GFAP and CD271 expression. FT-IR analysis was carried out using microplate reader HTS-XT (Bruker, Germany). Despite the immunophenotype similarity, FT-IR spectroscopy revealed distinct profiles for S-MSC culture and ReNcell CX cells. FT-IR spectra analyses showed changes of protein and lipid concentration during neurodifferentiation and different carbohydrate composition in ReNcell CX and S-MSCs. It was possible to discriminate between S-MSC cultures at different time-points during neurodifferentiation. The results of this study demonstrate that FT-IR spectroscopy is more sensitive than conventional immunophenotyping analysis and it has a great potential for the monitoring of the stem cell differentiation status.

Original languageEnglish
Title of host publicationSpectroscopy of Biological Molecules. Proceedings from the 14th European Conference on the Spectroscopy of Biological Molecules 2011
EditorsMaria Marques, Luis Batista de Carvalho, Parvez Haris
Pages221-225
Number of pages5
DOIs
Publication statusPublished - 2013

Publication series

NameAdvances in Biomedical Spectroscopy
Volume7
ISSN (Print)1875-0656

Keywords

  • FT-IR
  • neurodifferentiation
  • skin mesenchymal stem cells

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