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- W2314540315 abstract "BACKGROUND: Cellular transplantation holds promise for the management of a variety of neurological disorders. However, there is great variability in cell type, preparation methods, and implantation technique, which are crucial to clinical outcomes. OBJECTIVE: We compared manual injection with automated injection using a prototype device to determine the possible value of a mechanized delivery system. METHODS: Neural progenitor cells and bone marrow stromal cells were injected using manual or automated methods. Consistency of injection volumes and cell number and viability were evaluated immediately or 1 day after injection. RESULTS: When cells were delivered as a series of 3 manual injections from the same syringe, the variation in fluid volume was greater than for single manual injections. Automated delivery of a series of 3 injections resulted in a lower variability in the amount of delivery than manual injection for both cell lines (1.2%-2.6% coefficient of variability for automated delivery vs 4.3%-24.0% for manual delivery). The amount delivered from injection 1 to injection 3 increased significantly with manual injections, whereas the amount injected did not vary over the 3 injections for the automated unit. Cell viability 1 day after injection was typically 30% to 40% of the value immediately after injection for the bone marrow stromal cells and 30% to 70% for the neural progenitor cells. There were no significant differences in viability attributed to the method of injection. CONCLUSION: The automated delivery device led to enhanced consistency of volumetric cell delivery but did not improve cell viability in the methods tested. Automated techniques could be useful in standardizing reproducible procedures for cell transplantation and improve both preclinical and clinical research." @default.
- W2314540315 created "2016-06-24" @default.
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- W2314540315 date "2010-12-01" @default.
- W2314540315 modified "2023-10-17" @default.
- W2314540315 title "Manual Vs Automated Delivery of Cells for Transplantation: Accuracy, Reproducibility, and Impact on Viability" @default.
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- W2314540315 doi "https://doi.org/10.1227/neu.0b013e3181f9b1e2" @default.
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