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18 p, 30.1 MB

Preclinical Development of a Therapy for Chronic Traumatic Spinal Cord Injury in Rats Using Human Wharton's Jelly Mesenchymal Stromal Cells : Proof of Concept and Regulatory Compliance / Vives Armengol, Joaquim (Universitat Autònoma de Barcelona. Departament de Medicina) ; Hernández, Joaquim (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Mirabel, Clémentine (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Puigdomenech-poch, Maria (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Romeo-Guitart, David (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Marmolejo Martínez-Artesero, Sara (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Cabrera-Pérez, Raquel (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Jaramillo, Jessica (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Kumru, Hatice (Universitat Autònoma de Barcelona. Departament de Medicina) ; García-lópez, Joan (Universitat Autònoma de Barcelona. Departament de Medicina) ; Vidal-Samsó, Joan (Universitat Autònoma de Barcelona. Departament de Medicina) ; Navarro, X. (Xavier) (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Coll-Bonet, Ruth (Banc de Sang i Teixits)
(1) Background: the use of Mesenchymal Stromal Cells (MSC) in emerging therapies for spinal cord injury (SCI) hold the potential to improve functional recovery. However, the development of cell-based medicines is challenging and preclinical studies addressing quality, safety and efficacy must be conducted prior to clinical testing; (2) Methods: herein we present (i) the characterization of the quality attributes of MSC from the Wharton's jelly (WJ) of the umbilical cord, (ii) safety of intrathecal infusion in a 3-month subchronic toxicity assessment study, and (iii) efficacy in a rat SCI model by controlled impaction (100 kdynes) after single (day 7 post-injury) and repeated dose of 1 × 10 MSC,WJ (days 7 and 14 post-injury) with 70-day monitoring by electrophysiological testing, motor function assessment and histology evaluation; (3) Results: no toxicity associated to MSC,WJ infusion was observed. [...]
2022 - DOI (Digital Object Identifier)

10.3390/cells11142153
Cells, Vol. 11 Núm. 14 (7-2 2022) , p. 2153

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