Delivery of tumor-antigen-encoding mRNA into dendritic cells for vaccination.

Michiels A, Tuyaerts S, Bonehill A, Heirman C, Corthals J, Thielemans K.
Methods Mol Biol. 2008;423:155-63.

Antigen-loaded dendritic cells (DCs) have been intensively investigated as potential cellular antitumor vaccines. Several recent reports have indicated that loading DCs with whole tumor derived mRNA or defined tumor-antigen-encoding mRNA represents an effective nonviral strategy to stimulate T cell responses both for in vitro and in vivo models. Here, we describe the electroporation method as a tool for introducing in vitro transcribed capped mRNA into human DCs for tumor vaccination. We use MART-1/Melan-A as a model tumor-associated antigen for the generation of a DC-based vaccine against melanoma cancer. In addition to efficient antigen loading, it is important to obtain a maximal number of potent antigen-presenting cells. Another prerequisite for the development of a DC-based cancer vaccine is to obtain mature DCs. In this chapter, we describe the basic techniques required for the successful genetic modification of DCs by using the mRNA electroporation method.

URL: http://www.springerlink.com/content/g23t5721167181w4/

Pub Med: http://www.ncbi.nlm.nih.gov/pubmed/18370196

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