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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/195442
Cell Banking of HEK293T cell line for clinical-grade lentiviral particles manufacturing
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Background: Cell banks are widely used to preserve cell properties as well as to record and control the use of cell lines in biomedical research. The generation of cell banks for the manufacturing of Advanced Therapy Medicinal Products, such as cell and gene therapy products, must comply with current Good Manufacturing Practice regulations. The quality of the cell lines used as starting materials in viral-vector manufacturing processes must be also assessed. Methods: Three batches of a Master Cell Bank and a Working Cell Bank of the HEK293T cell line were manufactured under current Good Manufacturing Practices regulations. Quality control tests were performed according to product specifications. Process validation includes the training of manufacturing personnel by performing simulation tests, and the continuous measurement of environmental parameters such as air particles and microorganisms. Cell number and viability of cryopreserved cells were periodically measured in order to define the stability of these cellular products. Results: All batches of HEK293T Master and Working Cell Banks met the acceptance criteria of their specifications showing the robustness and homogeneity of the processes. In addition, both Master and Working Cell Banks maintained the defined cell viability and concentration over a 37 month-period after cryopreservation. Conclusions: Manufacturing cell banks under Good Manufacturing Practice regulations for their use as raw materials or final cellular products is feasible. HEK293T cell banks were used to manufacture clinical-grade lentiviral particles for Chimeric Antigen Receptor T-cell based clinical trials.
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PERPIÑÁ MARTIN, Unai, HERRANZ, Cristina, MARTÍN IBÁÑEZ, Raquel, BORONAT BARADO, Anna, CHIAPPE, Felipe, MONFORTE, Verónica, ORPELLA ACERET, Gemma, GONZÁLEZ, Ester, OLIVÉ, Myriam, CASTELLÀ CASTELLÀ, Maria, SUÑÉ, Guillermo, URBANO ISPIZUA, Álvaro, DELGADO, Julio (delgado gonzález), JUAN, Manel, CANALS I COLL, Josep m.. Cell Banking of HEK293T cell line for clinical-grade lentiviral particles manufacturing. _Translational Medicine Communications_. 2020. Vol. 5, núm. 22. [consulta: 24 de gener de 2026]. ISSN: 2396-832X. [Disponible a: https://hdl.handle.net/2445/195442]