Related Experiment Videos
[Rational bases for new approaches to the therapy of pediatric solid tumors: immunotherapy and gene therapy]
V Pistoia1, I Prigione, P Facchetti
1Laboratorio Scientifico di Oncologia, Istituto Scientifico G. Gaslini, Genova, Italia.
Abstract:
Neuroblastoma is one of the commonest solid tumors in children. Conventional therapeutic approaches, such as surgery, chemotherapy and radiotherapy, fail to control tumor progression in stage III and IV patients. The search for novel therapeutic strategies should necessarily take into account immunotherapy and gene therapy. Here the theoretical bases for the development of such approaches are discussed. Studies carried out with neuroblastoma (NB) cell lines have shown that neoplastic cells express a wide array of potential tumor associated antigens (TAA) but are devoid of HLA molecules which are necessary for TAA presentation to the host immune system. Transfection of NB cells with the interferon gamma gene appears a promising approach, since this cytokine up-regulates the expression of class I HLA molecules in NB cells. Other cytokines of potential interest for gene transfer studies are interleukin 2 (IL2) and interleukin 12 (IL12).
Insights
Novel gene therapies show promise for treating advanced neuroblastoma (NB) in children. Enhancing human leukocyte antigen (HLA) molecule expression on NB cells could improve immunotherapy effectiveness.
Area of Science:
- Pediatric oncology
- Immunotherapy
- Gene therapy
Context:
- Neuroblastoma (NB) is a common childhood solid tumor.
- Advanced stages (III and IV) resist conventional treatments like surgery, chemotherapy, and radiotherapy.
Purpose:
- To explore novel therapeutic strategies for advanced neuroblastoma, focusing on immunotherapy and gene therapy.
- To discuss the theoretical basis for developing these approaches.
Summary:
- Neuroblastoma cells express tumor-associated antigens (TAA) but lack human leukocyte antigen (HLA) molecules for immune presentation.
- Transfecting NB cells with interferon gamma gene up-regulates HLA class I expression, a promising strategy.
- Interleukin 2 (IL2) and Interleukin 12 (IL12) are also considered for gene transfer studies.
Impact:
- Provides a theoretical framework for developing advanced immunotherapy and gene therapy for neuroblastoma.
- Highlights the potential of cytokine gene transfer to enhance anti-tumor immune responses in pediatric cancer.