Journal List > Hanyang Med Rev > v.35(4) > 1044241

Yee, Oh, and Kim: Stem Cell Therapy for Neurodegenerative Diseases

Abstract

Neurodegenerative diseases are the hereditary and sporadic conditions which are characterized by progressive neuronal degeneration. Neurodegenerative diseases are emerging as the leading cause of death, disabilities, and a socioeconomic burden due to an increase in life expectancy. There are many neurodegenerative diseases including Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, Huntington’s disease, and multiple sclerosis, but we have no effective treatments or cures to halt the progression of any of these diseases. Stem cell-based therapy has become the alternative option to treat neurodegenerative diseases. There are several types of stem cells utilized; embryonic stem cells, induced pluripotent stem cells, and adult stem cell (mesenchymal stem cells and neural progenitor cells). In this review, we summarize recent advances in the treatments and the limitations of various stem cell technologies. Especially, we focus on clinical trials of stem cell therapies for major neurodegenerative diseases.

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Table 1.
Stem cell types and sources
Embryonic stem cell (ESC) Adult stem cell
Induced pluripotent stem cell (iPSC)
Mesenchymal stem cell (MSC) Neural progenitor cell (NPC)
Cell sources Inner cell mass of blastocyst Mesodermal origin tissue (bone marrow, adipose tissue, umbilical cord blood, etc.) Neural tissue Skin fibroblast
Differentiation potency Pluripotent Multipotent Unipotent Pluripotent
Ethical concerns Destruction of human embryo No major ethical concerns
Table 2.
Clinical trials for amyotrophic lateral sclerosis
NCT number Start Cell Type Autologous Location Phases Arm Blind Funded Delivery route Duration of trial
NCT00855400 2007 BM-MNC Autologous Spain I/II NA Open label IIT Intraspinal with laminectomy T3-4 NA
NCT01984814 2008 BM-MNC Autologous India II Parallel, retrospective control Open label IIT NA 56 mo
NCT02242071 2008 NA NA India I Single Open label IIT NA 2 yr
NCT01348451 2009 NSC Allogeneic spinal cord USA I Single Open label SIT Intraspinal with laminectomy 4 yr
NCT02193893 2010 Progenitor cells Auto BM Poland I Parallel Open label IIT Intrathecal 1 yr
NCT01082653 2010 NA Auto BM USA I Single Open label SIT NA 1 yr
NCT01142856 2010 BM-MSC Autologous USA I Single Open label IIT Intrathecal 2 yr
NCT01254539 2010 BM-MNC Autologous Spain I/II Two Double blind IIT Intraspinal with laminectomy T3-4 (I), Intrathecal (II) NA
NCT01363401 2011 BM-MSC Autologous Korea I/II Parallel Open label SIT Intrathecal 4 mo
NCT01051882 2011 BM-MSC Autologous Israel I/II Parallel Open label SIT Intramuscular or intrathecal 6 mo
NCT01640067 2011 NSC NA Italy I Single Open label IIT Intraspinal (lumbar) At least 3 yr
NCT01494480 2012 UC-MSC NA China II Single Open label IIT Intrathecal 2 yr
NCT01609283 2012 Ad-MSC Autologous USA I Single Open label IIT Intrathecal 2 yr
NCT01759797 2012 BM-MSC NA Iran I Single Open label IIT Intravenous, intraventricular 6 mo
NCT01933321 2012 Hematopoietic stem cells NA Mexico II/III NA Open label IIT Intrathecal, intravenous 12 mo
NCT01777646 2012 BM-MSC Autologous Israel II Single Open label SIT Intramuscular and intrathecal 6 mo
NCT01758510 2012 BM-MSC Allogeneic Korea I Single Open label IIT Intrathecal 6 mo
NCT01730716 2013 NSC Allogeneic spinal cord USA II Single Open label SIT Intraspinal 2 yr
NCT01771640 2013 BM-MSC Autologous Iran I Single Open label IIT Intrathecal 6 mo
NCT02116634 2014 MSC NA Iran I/II NA Open label IIT Intrathecal 2 yr
NCT02017912 2014 BM-MSC Autologous USA II Parallel Double blind SIT Intramuscular and intrathecal 6 mo
NCT01759784 2014 BM-MSC NA Iran I Single Open label IIT Intraventricular NA
NCT02492516 2014 Ad-MSC Autologous Iran I Single Open label IIT Intravenous 12 mo (safety), 2 mo (function)
NCT02286011 2014 BM-MNC Autologous Spain I Parallel Double blind SIT Intramuscular 2 yr
NCT02478450 2015 GRP Allogeneic brain USA I/II Parallel (4 cohort) Open label, partially blinded SIT Intraspinal (cervial and lumbar) 9 mo

Ad, adipose tissue-derived; BM, bone marrow-derived; ESC, embryonic stem cell; GRP, glial-restricted precursor cell; IIT, Investigator Initiated Trial; NA, not available; MNC, mononuclear cells mononuclear cells; MSC, mesenchymal stem cells; NPC, neurogenic progenitor cell; SIT, Sponsor Initiated Trial; UC, umbilical cord-derived.

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