Closed Loop Bioreactor System for the Ex Vivo Expansion of Human T Cells.
Cytotherapy(2019)
摘要
BACKGROUND AIM:Translation of therapeutic cell therapies to clinical-scale products is critical to realizing widespread success. Currently, however, there are limited tools that are accessible at the research level and readily scalable to clinical-scale needs.METHODS:We herein developed and assessed a closed loop bioreactor system in which (i) a highly gas-permeable silicone material was used to fabricate cell culture bags and (ii) dynamic flow was introduced to allow for dissociation of activated T-cell aggregates.RESULTS:Using this system, we find superior T-cell proliferation compared with conventional bag materials and flasks, especially at later time points. Furthermore, intermittent dynamic flow could easily break apart T-cell clusters.CONCLUSIONS:Our novel closed loop bioreactor system is amenable to enhanced T-cell proliferation and has broader implications for being easily scaled for use in larger need settings.
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