Neural stem cells: Therapeutic potential for neurodegenerative diseases

Galit Gincberg, Hadar Arien-Zakay, Philip Lazarovici*, Peter I. Lelkes

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

54 Scopus citations

Abstract

IntroductionNeural stem cells (NSCs) from specific brain areas or developed from progenitors of different sources are of therapeutic potential for neurodegenerative diseases.Sources of dataTreatment strategies involve the (i) transplantation of exogenous NSCs; (ii) pharmacological modulations of endogenous NSCs and (iii) modulation of endogenous NSCs via the transplantation of exogenous NSCs.Areas of agreementThere is a consensus about the therapeutic potential of transplanted NSCs. The ability of NSCs to home into areas of central nervous system injury allows their delivery by intravenous injection. There is also a general agreement about the neuroprotective mechanisms of NSCs involving a 'bystander effect'.Areas of controversyIndividual laboratories may be using phenotypically diverse NSCs, since these cells have been differentiated by a variety of neurotrophins and/or cultured on different ECM proteins, therefore differing in the expression of neuronal markers.Growing pointsOptimization of the dose, delivery route, timing of administration of NSCs, their interactions with the immune system and combination therapies in conjunction with tissue engineered neural prostheses are under investigation.Areas timely for developing researchIn-depth understanding of the biological properties of NSCs, including mechanisms of therapy, safety, efficacy and elimination from the organism. These areas are central for further use in cell therapy.Cautionary noteAs long as critical safety and efficacy issues are not resolved, we need to be careful in translating NSC therapy from animal models to patients.

Original languageAmerican English
Pages (from-to)7-19
Number of pages13
JournalBritish Medical Bulletin
Volume104
Issue number1
DOIs
StatePublished - Dec 2012

Keywords

  • angiogenesis
  • anti-inflammatory
  • bystander effect
  • modulation
  • neural stem cells
  • neurodegeneration
  • neurogenesis
  • neuroprotection
  • transplantation

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