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- W137363688 abstract "Interest in cellular immunotherapy has increased with the recognition of the pivotal role that dendritic cells (DC) play in the adaptive immune system. The preparation of DC to present tumour antigens and subsequent induction of tumour specific T cells have been widely documented. This thesis studied the ability of cord blood (CB) stem cells to differentiate into functional CD34+DC, followed by the optimisation of electroporation of RNA into these cells. Total RNA derived from a leukaemic cell line and a primary human leukaemic sample was electroporated into CD34+DC DC and we were able to generate anti-leukaemic cytotoxic T lymphocytes (CTL). The CTL specifically targeted leukaemia but not normal cells. While the in vitro data showed promising results of the CTL specificity, a NOD-SCID model of human ALL was established to allow the CTL to be tested in vivo. We established a reproducible model of human ALL in NOD-SCID mouse using four primary human ALL samples. The adoptively transferred anti-leukaemic CTL into the ALL bearing NOD-SCID mice showed that ALL engraftment was significantly delayed. However, the addition of total RNA loaded CD34+DC DC did not enhance the in vivo CTL effect. Lastly, by dissecting the CTL response, we found that the polyclonal CTL were targeting survivin, HM1.24 and CT-7 antigens. The CTL clones generated from these polyclonal CTL showed high specificity for leukaemia but not normal cells. In conclusion, these preliminary data support the use of total RNA electroporated CD34+DC as a means of inducing anti-leukaemic CTL, and have demonstrated the efficacy of the CTL in a NOD-SCID model of ALL. This study has also provided insight into the polyclonal CTL response and future studies will likely continue along this path." @default.
- W137363688 created "2016-06-24" @default.
- W137363688 creator A5055983926 @default.
- W137363688 date "2010-04-01" @default.
- W137363688 modified "2023-09-24" @default.
- W137363688 title "The Development of Targeted Immunotherapy to Treat Relapsed Acute Lymphoblastic Leukaemia (ALL) Post Transplant" @default.
- W137363688 hasPublicationYear "2010" @default.
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