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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Jong-Tae (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea) Chung, Dong-Sup (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea) Kwak, Seung-Won (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea) Han, Young-Min (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea) Park, Young-Sup (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea) Kim, Moon-Chan (Department of Neurosurgery, Our Lady of Mercy Hospital, College of Medicine, The Catholic University of Korea)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제38권 제2호
발행연도
2005.1
수록면
126 - 131 (6page)

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Objective : The choice of tumor antigen for dendritic cell[DC]-loading has still been an unresolved problem in the DC-based vaccine strategies against malignant gliomas that has not been found well-characterized tumor specific antigens. In this study, we compare tumor-specific T cell response induced by glioma apoptotic body[GAB]-pulsed DCs to response induced by glioma cell lysate-pulsed ones quantitatively. Methods : DCs generated in the presence of granulocyte macrophage-colony stimulating factor and interleukin[IL]-4 from peripheral blood mononuclear cells[PBMCs] of HLA-A2 positive healthy donors were cultured. Each GABs and glioma cell lysate generated from HLA-A2 positive T98G glioblastoma cells were co-incubated with DCs. $CD8^+$ T lymphocytes isolated from PBMCs of same donors were cultured in media containing IL-2 and either stimulated by GAB- or lysate-pulsed DCs three times at a weekly interval. The interferon[IFN]-${\gamma}$ concentrations of each cell culture supernate were measured by enzyme immunoassay technique. Cytolytic activity of the generated cytotoxic $CD8^+$ T cells either stimulated with GAB- or lysate-pulsed DCs was determined by a standard 4-h $^{51}Cr$-release assay. Results : IFN-${\gamma}$ production and cytolytic activity of effector T cells stimulated by GAB-pulsed DCs were significantly higher than those of T cells stimulated by lysate-pulsed ones. Conclusion : These results indicate the choice of antigen is a critical determinant in the induction of antitumor immunity against malignant glioma. Antigen preparations from GABs represent a promising alternative to glioma cell lysate in DC-based glioma vaccine strategies.

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