期刊
JOURNAL OF IMMUNOLOGY RESEARCH
卷 2014, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2014/158980
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资金
- PAPIIT-DGAPA [IN225805, IN214109]
- UNAM
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) [50396]
- Programa de Investigacion para el Desarrollo y Optimizacion de Vacunas
- Adyuvantes y Metodos Diagnosticos del IIB
- Instituto Panamericano de Profesionales Cientificos
The aim of dendritic cell (DC) vaccination in cancer is to induce tumor-specific effector T cells that may reduce and control tumor mass. Immunostimulants that could drive a desired immune response are necessary to be found in order to generate a long lasting tumor immune response. GK-1 peptide, derived from Taenia crassiceps, induces not only increase in TNF alpha, IFN gamma, and MCP-1 production in cocultures of DCs and T lymphocytes but also immunological protection against influenza virus. Moreover, the aim of this investigation is the use of GK-1 as a bone marrow DCs (BMDCs) immunostimulant targeted with MAGE antigen; thus, BMDC may be used as immunotherapy against murine melanoma. GK-1 induced in BMDCs a meaningful increment of CD86 and IL-12. In addition, the use of BMDCs TNF alpha/GK-1/MAGE-AX induced the highest survival and the smallest tumors in mice. Besides, the treatment helped to increase CD8 lymphocytes levels and to produce IFN gamma in lymph nodes. Moreover, the histopathological analysis showed that BMDCs treated with GK-1/TNF alpha and loaded with MAGE-AX induced the apparition of more apoptotic and necrotic areas in tumors than in mice without treatment. These results highlight the properties of GK-1 as an immunostimulant of DCs and suggest as a potential candidate the use of this immunotherapy against cancer disease.
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