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Dendritic Cell (DC) Vaccine in Mouse Lung Cancer Minimal Residual Model: Comparison of Monocyte-derived DC vs. Hematopoietic Stem Cell Derived-DC
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  • Dendritic Cell (DC) Vaccine in Mouse Lung Cancer Minimal Residual Model: Comparison of Monocyte-derived DC vs. Hematopoietic Stem Cell Derived-DC
  • Dendritic Cell (DC) Vaccine in Mouse Lung Cancer Minimal Residual Model: Comparison of Monocyte-derived DC vs. Hematopoietic Stem Cell Derived-DC
저자명
Baek. Soyoung,Lee. Seog Jae,Kim. Myoung Joo,Lee. Hyunah
간행물명
Immune network : official journal of the Korean association of immunobiologists
권/호정보
2012년|12권 6호|pp.269-276 (8 pages)
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The anti-tumor effect of monocyte-derived DC (MoDC) vaccine was studied in lung cancer model with feasible but weak Ag-specific immune response and incomplete blocking of tumor growth. To overcome this limitation, the hematopoietic stem cell-derived DC (SDC) was cultured and the anti-tumor effect of MoDC & SDC was compared in mouse lung cancer minimal residual model (MRD). Therapeutic DCs were cultured from either $CD34^+$ hematopoietic stem cells with GM-CSF, SCF and IL-4 for 14 days (SDC) or monocytes with GM-CSF and IL-4 for 7 days (MoDC). DCs were injected twice by one week interval into the peritoneum of mice that are inoculated with Lewis Lung Carcinoma cells (LLC) one day before the DC injection. Anti-tumor responses and the immune modulation were observed 3 weeks after the final DC injection. CD11c expression, IL-12 and TGF-${eta}$ secretion were higher in SDC but CCR7 expression, IFN-${gamma}$ and IL-10 secretion were higher in MoDC. The proportion of $CD11c^+CD8a^+$ cells was similar in both DC cultures. Although both DC reduced the tumor burden, histological anti-tumor effect and the frequencies of IFN-${gamma}$ secreting $CD8^+$ T cells were higher in SDC treated group than in MoDC. Conclusively, although both MoDC and SDC can induce the anti-tumor immunity, SDC may be better module as anti-tumor vaccine than MoDC in mouse lung cancer.