Method for stimulating an immune response

Details Method for stimulating an immune response Method for stimulating an immune response

2005-12-20

2005-12-20

Chan, Christina (Department: 1644)

Drug, bio-affecting and body treating compositions

Whole live micro-organism, cell, or virus containing

C424S093700, C424S577000, C435S325000, C435S326000, C435S372300, C435S377000, C530S351000

Reexamination Certificate

active

06977073

ABSTRACT:
A method is described whereby dendritic cells derived from the CD34+ and CD 34−hematopoietic cell lineages are directed to become programmable antigen presenting cells. The programmed cells may be pulsed with tumor cell RNA or tumor cell RNA expression products. The protocol provides for directing the maturation of dendritic cells to become antigen presenting cells. The protocol further provides for isolating tumor cell RNA from biopsy material that has been prepared in paraffin block storage. The directed dendritic cell is provided with a plurality of tumor markers by using tumor RNA in toto, the poly A+RNA fraction or the expression product of such RNA. Once activated the dendritic cells are incubated with T4 and T8 lymphocytes to stimulate and sensitize the T lymphocytes which upon introduction either into a donor host or a nondonor recipient will provide immune response protection.

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