Abstract:
:Dendritic cells (DCs) are powerful antigen-presenting cells (APCs), that have so far been applied for cancer specific immunotherapy. Recent results suggest that matured DCs derived from human monocytes have a significant impact on the outcome of vaccination. The conventional generation of mature DCs from human monocytes in vitro has been reported to require 5 days for differentiation with granulocyte macrophage colony-stimulating factor (GM-CSF), interleukin (IL)-4 and 2 days for stimulation. We herein report a new strategy for the functional maturation of monocyte-derived DCs within only 2 days of in vitro culture and the induction of specific cytotoxic T lymphocytes (CTLs) to tumor rejection peptide. The monocytes were incubated for 1 day with GM-CSF and IL-4, followed by activation with a bacterial product, OK-432 and prostaglandin E2 (PGE2) for another 1 day (rapid DC). Rapid DC expressed mature DC surface markers as well as chemokine receptor 7 and secreted Th1-type cytokines. The DCs generated in this study mobilized Ca2+ in response to CCL21/6Ckine and SDF-1, but only marginally did so to Mip-1alpha. Moreover, when rapid DC were compared with mature conventional 7-day DCs, they were equally potent in inducing specific CTLs in vitro. These results indicate that the rapid DC is as effective as the monocyte-derived conventional DCs. The rapid DC would be a potentially useful new cancer-specific immunotherapy.
journal_name
Int J Oncoljournal_title
International journal of oncologyauthors
Tanaka F,Yamaguchi H,Haraguchi N,Mashino K,Ohta M,Inoue H,Mori Msubject
Has Abstractpub_date
2006-11-01 00:00:00pages
1263-8issue
5eissn
1019-6439issn
1791-2423journal_volume
29pub_type
杂志文章abstract::Although mesenchymal stem cells (MSCs) are considered to be the cells of origin for most sarcomas, the role of MSCs as a source of tumor stroma is not fully understood in this tumor type. The current study investigated whether MSCs affect the tumor growth and metastatic ability in r...
journal_title:International journal of oncology
pub_type: 杂志文章
doi:10.3892/ijo.2011.1220
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abstract::Malignant astrocytomas are highly invasive, vascular neoplasms that comprise the majority of nervous system tumors in humans. A strong association has previously been made between malignancy in human astrocytic tumors and increased expression of certain fibroblast growth factor (FGF) family members. MG-160 is an intri...
journal_title:International journal of oncology
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abstract::CD26 is a surface glycoprotein with intrinsic dipeptidyl peptidase IV (DPPIV) enzyme activity with multiple biological roles, including being intricately involved in immunoregulation as a T-cell activation molecule and as a regulator of chemokine function. T-cell lymphoid malignancies represent a heterogeneous group o...
journal_title:International journal of oncology
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abstract::Side population (SP) cells are isolated from various tissues and cell lines based on the exclusion of DNA-binding dye Hoechst 33,342 and exhibit potent stem cell characteristics. There have been few previous reports of SP cells in head and neck cancer cell lines. Thus, we isolated SP cells from oral squamous cell carc...
journal_title:International journal of oncology
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journal_title:International journal of oncology
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abstract::Expression and functions of interleukin (IL)-8, a pro-inflammatory cytokine with angiogenesis action, was examined in 23 surgically resected hepatocellular carcinoma (HCC) specimens and 7 HCC cell lines. In all HCC tissues, IL-8 expression was confirmed with reverse-transcription polymerase chain reaction method and e...
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更新日期:2018-05-01 00:00:00
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journal_title:International journal of oncology
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doi:
更新日期:2009-02-01 00:00:00
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journal_title:International journal of oncology
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doi:
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journal_title:International journal of oncology
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doi:10.3892/ijo.4.4.983
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journal_title:International journal of oncology
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doi:
更新日期:2006-04-01 00:00:00
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journal_title:International journal of oncology
pub_type: 杂志文章
doi:
更新日期:2004-06-01 00:00:00
abstract::The intensity of post-treatment melanoma patient follow-up varies widely among physicians. We investigated whether physician age accounts for the observed variation in surveillance intensity among plastic surgeons. A custom-designed questionnaire was mailed to USA and non-USA surgeons, all of whom were members of the ...
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journal_title:International journal of oncology
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doi:
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journal_title:International journal of oncology
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doi:
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journal_title:International journal of oncology
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abstract::The modifying effects of dietary administration of capsaicin, which is the principal pungent capsicum fruit, and rotenone, which is a naturally occurring pesticide derived from Derris and Lonchorcarpus species, on azoxymethane (AOM)-induced colon tumorigenesis were investigated in male F344 rats. Gavage with capsaicin...
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abstract::The epidermal growth factor (EGF) receptor (EGFR) is activated by EGF and other EGF-like growth factors, including amphiregulin (AR). We characterized the localization and mitogenic action of AR in T3M4 and COLO-357 human pancreatic cancer cell lines and determined whether the presence of AR in human pancreatic cancer...
journal_title:International journal of oncology
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