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Stem cells from human apical papilla decrease neuro-inflammation and stimulate oligodendrocyte progenitor

Pauline De Berdt1, Pauline Bottemanne2, John Bianco1

  • 1Louvain Drug Research Institute (LDRI), Advanced Drug Delivery and Biomaterials (ADDB), Université Catholique de Louvain, Avenue E. Mounier 73, B1 73.12, 1200, Brussels, Belgium.

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|February 9, 2018
PubMed
Summary
This summary is machine-generated.

Dental stem cells from human apical papilla (SCAP) reduce inflammation and promote oligodendrocyte progenitor cell (OPC) differentiation, offering potential for spinal cord injury repair.

Keywords:
Dental stem cellsDifferentiationInflammationOligodendrocyte progenitor cellsSpinal cord

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Area of Science:

  • Neuroscience
  • Regenerative Medicine
  • Stem Cell Biology

Background:

  • Secondary damage after spinal cord injury (SCI) causes irreversible lesions and hinders repair.
  • Pro-inflammatory cytokines like TNF-α exacerbate SCI, leading to demyelination and tissue degeneration.
  • Oligodendrocyte death is a key feature of SCI pathology.

Purpose of the Study:

  • To assess the neuroprotective potential of stem cells from human apical papilla (SCAP).
  • To investigate SCAP's ability to modulate neuro-inflammation and promote oligodendrocyte progenitor cell (OPC) differentiation.
  • To explore a minimally invasive stem cell source for SCI treatment.

Main Methods:

  • SCAP were co-cultured with lipopolysaccharide (LPS)-activated microglia.
  • SCAP were co-cultured with LPS-activated rat spinal cord organotypic sections (SCOS).
  • SCAP were co-cultured with LPS-activated SCOS and adult OPCs.

Main Results:

  • SCAP reduced TNF-α expression and secretion in inflamed spinal cord tissues.
  • SCAP stimulated OPC differentiation through activin-A secretion.
  • SCAP demonstrated neuroprotective effects in SCI models.

Conclusions:

  • SCAP possess therapeutic potential for spinal cord injury repair.
  • SCAP can mitigate neuro-inflammation and enhance remyelination.
  • SCAP represent a promising, easily accessible stem cell source for SCI.