Mature dendritic cell derived from cryopreserved immature dendritic cell shows impaired homing ability and reduced anti-viral therapeutic effects
Open Access
- 13 December 2016
- journal article
- research article
- Published by Springer Science and Business Media LLC in Scientific Reports
- Vol. 6 (1), 39071
- https://doi.org/10.1038/srep39071
Abstract
Cryopreservation is critical in reducing redundant operations and also in quality control in dendritic cell (DC) therapy. Full maturation and efficient homing of DCs to T cell-region constitute a crucial aspect of DC immunotherapy; however, the in vivo migration and distribution pattern, as well as the anti-viral effect of DCs that matured from cryopreserved immature DCs (cryoim-mDCs) remain to be revealed. In the present study, we compared cryoim-mDCs with DCs matured from fresh immature DCs (fmDCs) in the aspects of phenotypes, in vivo homing capacities as well as the anti-viral therapeutic effects to further clarify the effect of cryopreservation on DC-based cytotherapy. The results showed that cryopreservation impaired the homing ability of DCs which was associated with the reduced expression of CCR7 and disturbed cytoskeleton arrangement. Moreover, the antigen-specific CD8+ T cell response induced by cryoim-mDCs was much weaker than that induced by fmDCs in both the spleen and liver draining lymph nodes, which provided reduced protection from viral invasions. In conclusion, cryopreservation is a good method to keep the viability of immature DCs, however, the in vivo homing capacity and anti-viral therapeutic effect of DCs matured from frozen immature DCs were hindered to some extent.This publication has 26 references indexed in Scilit:
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