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논문 기본 정보

자료유형
학술저널
저자정보
Mari Paz Quesada (University of Murcia) David García-Bernal (University of Murcia) Diego Pastor (University Miguel Hernández of Elche) Alicia Estirado (University Miguel Hernández of Elche) Miguel Blanquer (University of Murcia) Ana Mª García-Hernández (University of Murcia) José M. Moraleda (University of Murcia) Salvador Martínez (University Miguel Hernández of Elche)
저널정보
한국조직공학과 재생의학회 조직공학과 재생의학 조직공학과 재생의학 제16권 제5호
발행연도
2019.1
수록면
525 - 538 (14page)

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BACKGROUND: Mesenchymal stromal cells (MSCs) have potent immunomodulatory and neuroprotective properties, and have been tested in neurodegenerative diseases resulting in meaningful clinical improvements. Regulatory guidelines specify the need to perform preclinical studies prior any clinical trial, including biodistribution assays and tumourigenesis exclusion. We conducted a preclinical study of human bone marrow MSCs (hBM-MSCs) injected by intrathecal route in Non-Obese Diabetic Severe Combined Immunodeficiency mice, to explore cellular biodistribution and toxicity as a privileged administration method for cell therapy in Friedreich’s Ataxia. METHODS: For this purpose, 3 9 105 cells were injected by intrathecal route in 12 animals (experimental group) and the same volume of culture media in 6 animals (control group). Blood samples were collected at 24 h (n = 9) or 4 months (n = 9) to assess toxicity, and nine organs were harvested for histology and safety studies. Genomic DNA was isolated from all tissues, and mouse GAPDH and human b2M and b-actin genes were amplified by qPCR to analyze hBM-MSCs biodistribution. RESULTS: There were no deaths nor acute or chronic toxicity. Hematology, biochemistry and body weight were in the range of normal values in all groups. At 24 h hBM-MSCs were detected in 4/6 spinal cords and 1/6 hearts, and at 4 months in 3/6 hearts and 1/6 brains of transplanted mice. No tumours were found. CONCLUSION: This study demonstrated that intrathecal injection of hBM-MSCs is safe, non toxic and do not produce tumors. These results provide further evidence that hBM-MSCs might be used in a clinical trial in patients with FRDA.

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