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Human Embryonic Stem Cell Therapy in Chronic Spinal Cord Injury: A Retrospective Study.

ABSTRACT: Human embryonic stem cells (hESCs) have a role in treating neurological disorders. The efficacy and safety of hESC in treating spinal cord injury (SCI) was reported in our previous study. In the present study, we have evaluated the efficacy and safety of hESC therapy in 226 patients with SCI. In the first treatment phase (T1), 0.25 mL hESCs were administered intramuscularly twice daily, 1 mL every 10 days i.v., and 1-5 mL every 7 days. Of 153 patients in the American Spinal Injury Association (ASIA) scale A at the beginning of T1, a significant number of patients (n = 80; 52.3%) moved to lower scales at the end of T1 (p = 0.01). At the end of T2, of 32 patients in ASIA scale A, 12 patients (37.5%) moved to scale B (p = 0.01). Of 19 patients, 3 patients (37.5%) moved to scale B at the end of T3 (p = 0.02). No serious adverse events (AEs) were observed. hESC transplantation is safe and effective.

SUBMITTER: Shroff G

PROVIDER: S-EPMC5351327 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Human Embryonic Stem Cell Therapy in Chronic Spinal Cord Injury: A Retrospective Study.

Shroff G G

Clinical and translational science 20160503 3

Human embryonic stem cells (hESCs) have a role in treating neurological disorders. The efficacy and safety of hESC in treating spinal cord injury (SCI) was reported in our previous study. In the present study, we have evaluated the efficacy and safety of hESC therapy in 226 patients with SCI. In the first treatment phase (T1), 0.25 mL hESCs were administered intramuscularly twice daily, 1 mL every 10 days i.v., and 1-5 mL every 7 days. Of 153 patients in the American Spinal Injury Association (A ...[more]

PMID: 27144379

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Project description:BackgroundSpinal cord injury (SCI) is one of the serious neurological diseases that occur in young people with high morbidity and disability. However, there is still a lack of effective treatments for it. Stem cell (SC) treatment of SCI has gradually become a new research hotspot over the past decades. This article is aimed at reviewing the research progress of SC therapy for SCI.MethodsReview the literature and summarize the effects, strategies, related mechanisms, safety, and clinical application of different SC types and new approaches in combination with SC in SCI treatment.ResultsA large number of studies have focused on SC therapy for SCI, most of which showed good effects. The common SC types for SCI treatment include mesenchymal stem cells (MSCs), hematopoietic stem cells (HSCs), neural stem cells (NSCs), induced pluripotent stem cells (iPSCs), and embryonic stem cells (ESCs). The modes of treatment include in vivo and in vitro induction. The pathways of transplantation consist of intravenous, transarterial, nasal, intraperitoneal, intrathecal, and intramedullary injections. Most of the SC treatments for SCI use a number of cells ranging from tens of thousands to millions. Early or late SC administration, application of immunosuppressant or not are still controversies. Potential mechanisms of SC therapy include tissue repair and replacement, neurotrophy, and regeneration and promotion of angiogenesis, antiapoptosis, and anti-inflammatory. Common safety issues include thrombosis and embolism, tumorigenicity and instability, infection, high fever, and even death. Recently, some new approaches, such as the pharmacological activation of endogenous SCs, biomaterials, 3D print, and optogenetics, have been also developed, which greatly improved the application of SC therapy for SCI.ConclusionMost studies support the effects of SC therapy on SCI, while a few studies do not. The cell types, mechanisms, and strategies of SC therapy for SCI are very different among studies. In addition, the safety cannot be ignored, and more clinical trials are required. The application of new technology will promote SC therapy of SCI.

Dataset Information

Human Embryonic Stem Cell Therapy in Chronic Spinal Cord Injury: A Retrospective Study.

Publications

Human Embryonic Stem Cell Therapy in Chronic Spinal Cord Injury: A Retrospective Study.

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