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Wednesday, July 19, 2023 11:48:17 PM
Hyperactivated dendritic cells make a critical protein, IL-1ß, which triggers memory T cell production. Dead dendritic cells also release IL-1ß, but only for a short periods of time. Hyperactivated dendritic cells produce IL-1ß for longer periods, which may explain why they stimulate memory T cells more effectively.
This is the patent application:
In vitro methods and compositions for enhancing the activation of dendritic cells and t cells, and for inducing a th-1 immune response
Abstract
The present disclosure provides compositions and in vitro or ex vivo methods for obtaining an enhanced antigen specific Th1 immune response. The compositions can comprise activation enhanced dendritic cells or T cells produced in vitro. The methods comprise contacting immature dendritic cells with a maturation agent that comprises a dendritic cell maturation agent, interferon ? and an inflammation-activating lipid which can produced hyperactivated dendritic cells. The method can further comprise contacting the maturing dendritic cells with a predetermined antigen during maturation. An in vitro or ex vivo method is also provided wherein the hyperactive dendritic cells can be used to induce naive T cell activation, where the activated T cells can be formulated for administration to an individual in need of such treatment.
https://patents.google.com/patent/EP4041298A1/en
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