The Emerging Role of In Vitro-Transcribed mRNA in Adoptive T Cell Immunotherapy.

Affiliation

Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA; Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, PA, USA. Electronic address: [Email]

Abstract

Adoptive T cell therapy is a form of cellular therapy that utilizes human immune cells, often empowered by the expression of recombinant proteins, to attack selected targets present on tumor or infected cells. T cell-based immunotherapy has been progressing over the past several decades, and reached a milestone with the recent US Food and Drug Administration (FDA) approval of chimeric antigen receptor T cell therapy for relapsed and refractory leukemia and lymphoma. Although most studies have used viral vectors, a growing number of researchers have come to appreciate in vitro-transcribed (IVT) mRNA for the development, testing, and application of T cell-based immunotherapeutics. IVT mRNA offers inherent safety features, highly efficient recombinant protein translation, and the ability to control pharmacokinetic properties of the therapy. In this review, we discuss the history of IVT mRNA in adoptive T cell therapy, from tumor-infiltrating lymphocytes and T cell receptor-based therapies to chimeric antigen receptor therapy and gene-editing techniques, as well as prior and ongoing clinical trials.

Keywords

RNA,adoptive T cell therapy,immunotherapy,

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