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Low frequency magnetic force augments hepatic differentiation of mesenchymal stem cells on a biomagnetic nanofibrous scaffold
Dillip Kumar Bishi, Soma Guhathakurta
Published in Kluwer Academic Publishers
2014
PMID: 25011500
Volume: 25
   
Issue: 11
Pages: 2579 - 2589
Abstract
Liver tissue engineering using polymeric nanofibrous scaffold and stem cells holds great promises for treating end-stage liver failures. The aim of this study was to evaluate hepatic trans-differentiation potential of human mesenchymal stem cells (hMSCs) on a biomagnetic electrospun nanofibrous scaffold fabricated from a blend of poly-l-lactide (PLLA), collagen and fibrin-rich blood clot, under the influence of a low frequency magnetic field. The scaffold was characterized for surface properties, biochemical and biomechanical parameters and bio-magnetic behaviour. Cell proliferation assay revealed that the scaffold was suitable for hMSCs adhesion and proliferation. Hepatic trans-differentiation potential of hMSCs was augmented on nanofibrous scaffold in magnetic field exposure group compared to control groups, as evident by strong expression of hepatocyte specific markers, albumin release, urea synthesis and presence of an inducible cytochrome P450 system. Our results conclude that biomagnetic scaffold of PLLA/collagen/blood clot augments hepatic trans-differentiation of hMSCs under magnetic field influence. © 2014, Springer Science+Business Media New York.
About the journal
JournalJournal of Materials Science: Materials in Medicine
PublisherKluwer Academic Publishers
ISSN09574530
Open AccessNo
Concepts (65)
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    Cell culture
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    Cell engineering
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    Cell proliferation
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    Control system synthesis
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    Electromagnetic field effects
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    Electromagnetic fields
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    Magnetic fields
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    Nanofibers
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    Stem cells
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    Urea
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    BIOMECHANICAL PARAMETERS
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    HEPATIC DIFFERENTIATION
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    Human mesenchymal stem cells (hmscs)
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    LIVER TISSUE ENGINEERING
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    LOW FREQUENCY MAGNETIC FIELDS
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    MAGNETIC FIELD INFLUENCE
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    Nanofibrous scaffolds
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    TRANS DIFFERENTIATIONS
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    Scaffolds (biology)
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    Albumin
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    Cytochrome p450
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    Molecular scaffold
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    Nanofiber
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    Article
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    BIOCHEMICAL COMPOSITION
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    Blood
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    Blood sampling
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    Cell adhesion
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    Cell differentiation
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    CELL PROLIFERATION ASSAY
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    Contact angle
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    Electrospinning
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    END STAGE LIVER DISEASE
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    Immunofluorescence
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    Liver cell
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    Magnetic field
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    Mesenchymal stem cell
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    Polyacrylamide gel electrophoresis
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    Scanning electron microscopy
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    Surface property
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    Tissue engineering
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    Urea cycle
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    Wettability
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    Chemistry
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    Compressive strength
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    Cytology
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    Human
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    Mechanical stress
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    Mechanotransduction
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    Mesenchymal stroma cell
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    Particle size
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    Physiology
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    Radiation response
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    Tensile strength
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    Tissue scaffold
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    Ultrastructure
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    YOUNG MODULUS
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    Cells, cultured
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    Elastic modulus
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    HEPATOCYTES
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    Humans
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    Mechanotransduction, cellular
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    Mesenchymal stromal cells
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    Stress, mechanical
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    Tissue scaffolds