2020
DOI: 10.3390/ijms21197380
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Clinical Trials of Stem Cell Therapy for Cerebral Ischemic Stroke

Abstract: Despite recent developments in innovative treatment strategies, stroke remains one of the leading causes of death and disability worldwide. Stem cell therapy is currently attracting much attention due to its potential for exerting significant therapeutic effects on stroke patients. Various types of cells, including bone marrow mononuclear cells, bone marrow/adipose-derived stem/stromal cells, umbilical cord blood cells, neural stem cells, and olfactory ensheathing cells have enhanced neurological outcomes in a… Show more

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Cited by 128 publications
(101 citation statements)
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References 116 publications
(238 reference statements)
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“…MSC treatment promotes NSC migration after the release of neurotrophic factors beneficial to angiogenesis. After proliferation and migration, NSCs differentiate into different mature neurons according to the local microenvironment in which they are located to repair damaged brain areas ( Kawabori et al, 2020a ). Angiogenesis plays a crucial role in the differentiation of NSCs into mature neurons in the ischemic area, as observed in in vitro experiments ( Shen et al, 2004 ) and also in a recent animal study reporting that angiogenesis in the cortex can induce NSC transition from a proliferative form to a differentiated one ( Shen et al, 2004 ).…”
Section: Protective Mechanisms Regulating Stem Cell Therapy After Ismentioning
confidence: 99%
“…MSC treatment promotes NSC migration after the release of neurotrophic factors beneficial to angiogenesis. After proliferation and migration, NSCs differentiate into different mature neurons according to the local microenvironment in which they are located to repair damaged brain areas ( Kawabori et al, 2020a ). Angiogenesis plays a crucial role in the differentiation of NSCs into mature neurons in the ischemic area, as observed in in vitro experiments ( Shen et al, 2004 ) and also in a recent animal study reporting that angiogenesis in the cortex can induce NSC transition from a proliferative form to a differentiated one ( Shen et al, 2004 ).…”
Section: Protective Mechanisms Regulating Stem Cell Therapy After Ismentioning
confidence: 99%
“…Besides, there is no effective treatment in subacute, chronic, and late chronic stage of stroke except neurorehabilitation [ 16 ] and prevention of recurrent stroke [ 17 ]. Cell, especially stem/progenitor cell transplantation holds great promise as an effective strategy for stroke treatment according to the results of numerous animal studies and clinical trials [ 18 , 19 , 20 ]. Various types of stem cells including embryonic stem cells, induced pluripotent and reprogrammed stem cells, bone marrow mononuclear cells, hematopoietic stem cells, mesenchymal stem cells, neural stem/precursor cells, olfactory ensheathing cells, vascular progenitors, and others have been studied and demonstrated therapeutic benefits (for review see [ 18 , 21 ]).…”
Section: Ischemic Strokementioning
confidence: 99%
“…Cell, especially stem/progenitor cell transplantation holds great promise as an effective strategy for stroke treatment according to the results of numerous animal studies and clinical trials [ 18 , 19 , 20 ]. Various types of stem cells including embryonic stem cells, induced pluripotent and reprogrammed stem cells, bone marrow mononuclear cells, hematopoietic stem cells, mesenchymal stem cells, neural stem/precursor cells, olfactory ensheathing cells, vascular progenitors, and others have been studied and demonstrated therapeutic benefits (for review see [ 18 , 21 ]). However, these studies did not reveal the most effective single stem cell type, as well as optimal cell dose, administration routes, and transplantation time window.…”
Section: Ischemic Strokementioning
confidence: 99%
“…However, successful transplantation of exogenous stem cells is still hindered by several technical and logistical problems. The specific cell type used is the principal concern due to ethical issues, and researchers must also consider the source as well as the location, dosage, route, and timing of administration (Fernández-Susavila et al, 2019;Kawabori et al, 2020). A series of conditions following a stroke, including neuroinflammation, and immune response activation not only seriously affect the survival of grafted NSCs but also facilitate their differentiation into glial cells; the potential tumorigenicity of transplanted cells is also a concern (Ideguchi et al, 2008;Datta et al, 2020).…”
Section: Introductionmentioning
confidence: 99%