CD19 targeted CAR (chimeric antigen receptor)-T cell, preparation method and application
2017
The invention provides a CD19 targeted CAR (chimeric antigen receptor)-T cell, a preparation method and an application and relates to the field of immune cells. The activation capacity of T cells in CAR-T cell therapy can be improved, the problem of insufficient transfection efficiency can be solved, and the CAR-T cell has a high killing capacity for CD19. The CD19 targeted CAR-T cell expresses a CD19 targeted CAR gene on surface, and the CD19 targeted CAR gene is formed by connecting a single-chain antibody CD19ScFv of CD19, a hinge region and a transmembrane region of CD8, an intracellular signal structure of CD28, an intracellular signal structure of 4-1BB and an intracellular signal structural domain of CD3zeta in series, and the base sequence of the CD19 targeted CAR gene is shown as SEQ ID NO:2.
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