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Updated: Jun 30, 2025
Expansion and Enrichment of Gamma-Delta γδ T Cells from Apheresed Human Product
Published on: September 22, 2021
Validation of analytical methods for the production of expanded γδ T lymphocytes useful for therapeutic purposes
Fabio Morandi1, Martina Della Lastra1, Federico Zara1
1UOSD Cell Factory, Dipartimento dei Servizi, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy.
The use of γδ T lymphocytes as advanced therapeutic medicinal product has attracted much interest in the last years. Indeed, such cells are an ideal tool for the reconstitution of the immune system in patients receiving hematopoietic stem cell transplantation, due to their MHC-independent anti-tumor and anti-viral activities. We have here setup a protocol for the production of pure and functional γδ T lymphocytes, expanded from healthy donors' mononuclear cells, and validated the analytical methods to identify them and to analyze their potency. Next, we performed stability studies to ensure that the cell product (γδ T cells) can be used after freezing and thawing. Notably, such protocol can be promptly translated to GMP-facility, since it has been designed using only clinical grade reagents.
The use of γδ T lymphocytes as advanced therapeutic medicinal product has attracted much interest in the last years. Indeed, such cells are an ideal tool for the reconstitution of the immune system in patients receiving hematopoietic stem cell transplantation, due to their MHC-independent anti-tumor and anti-viral activities. We have here setup a protocol for the production of pure and functional γδ T lymphocytes, expanded from healthy donors' mononuclear cells, and validated the analytical methods to identify them and to analyze their potency. Next, we performed stability studies to ensure that the cell product (γδ T cells) can be used after freezing and thawing. Notably, such protocol can be promptly translated to GMP-facility, since it has been designed using only clinical grade reagents.
