Abstract:
:Mouse fibroblasts (H-2(b)) were genetically engineered to express a co-stimulatory B7.1 and an IFN-gamma (Fb/IFN-gamma/B7.1). The Fb/IFN-gamma/B7.1 cells were then pulsed with an ovalbumin epitope (amino acids 257-264, SIINFEKL, H-2K(b)-restricted) as a model antigen (Fb/IFN-gamma/B7.1/OVA) and tested for the induction of OVA-specific cytotoxic T lymphocytes (CTLs) in C57BL/6 mice (H-2(b)). Genetically engineered fibroblasts lacking either IFN-gamma or B7.1 were constructed and used as controls. Immunization with the Fb/IFN-gamma/B7.1/OVA cells induced strong cytotoxic activity against OVA-expressing EL4 (EG7) tumor cells but not against other H-2(b) tumor cells, such as EL4, C1498, and B16F1. The magnitude of the cytotoxic response in mice with the Fb/IFN-gamma/B7.1/OVA cells was significantly higher than that in mice immunized with any other cell construct. CD8(+) T cells with OVA-specific cytotoxic activity were predominant in mice immunized with Fb/IFN-gamma/B7.1/OVA cells. Furthermore, treatment with Fb/IFN-gamma/B7.1/OVA cells significantly prolonged the survival period of EG7 tumor-bearing mice. Anti-tumor CTL immunity by the Fb/IFN-gamma/B7.1/OVA cells could be induced without the help of host antigen-presenting cells, CD4(+) T cells, or NK1.1(+) cells. Our results suggest that fibroblasts can be genetically modified into efficient antigen-presenting cells for the induction of antigen-specific CTL response in cancer immunotherapy.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Kim TS,Chung SW,Kim SH,Kang SN,Kang BYdoi
10.1002/1097-0215(20000801)87:3<427::aid-ijc18>3.0keywords:
subject
Has Abstractpub_date
2000-08-01 00:00:00pages
427-33issue
3eissn
0020-7136issn
1097-0215pii
10.1002/1097-0215(20000801)87:3<427::AID-IJC18>3.0journal_volume
87pub_type
杂志文章abstract::In order to understand the expression and modulation of adhesion molecules (AMs) on the surface of different gastric cancers, we studied 4 gastric-cancer cell lines including SC-M1, KATO-III, AGS and AZ-521. The expression of E-cadherin, integrins (beta1, beta2 and beta3), ICAMs (1 and 2), and CD11 (a, b and c) on the...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0215(19960904)67:5<690::AID-IJC
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abstract::Hodgkin and Reed-Sternberg (H and RS) cells are generally considered to be the neoplastic cells of Hodgkin's disease (HD); however, such cells are found only in a minority of HD lesions. Very few data have so far been published on the cytogenetic abnormalities in HD. An analysis of unknown genetic aberrations has only...
journal_title:International journal of cancer
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更新日期:1999-07-19 00:00:00
abstract::The relationship between renal-cell cancer (RCC) and occupation was investigated in an international multicenter population-based case-control study. Study centers in Australia, Denmark, Germany, Sweden and the United States interviewed 1732 incident RCC cases and 2309 controls. Significant associations were found wit...
journal_title:International journal of cancer
pub_type: 杂志文章,多中心研究
doi:10.1002/ijc.2910610503
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abstract::Experimental evidence suggests that vitamin D might play a role in the development of breast cancer. Although the results of case-control studies indicate that circulating 25-hydroxyvitamin D [25(OH)D] is inversely associated with the risk of breast cancer, the results of prospective studies are inconsistent. A case-c...
journal_title:International journal of cancer
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abstract::Single-cell suspensions prepared from five human melanomas, grown serially as xenografts in athymic nude mice, were exposed in vitro to increasing concentrations of DTIC (Dacarbazine), CCNU (Lomustine), procarbazine, vinblastine, and the cancerostatic lectins abrin and ricin. The in vitro chemosensitivity of the cells...
journal_title:International journal of cancer
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abstract::To assess the effect of different hospital types or surgical volume on the survival of ovarian cancer patients, a nationwide and population-based analysis was carried out in Finland. The study included all 3,851 ovarian cancer patients operated from 1983-94. The patients were classified according to the hospital of th...
journal_title:International journal of cancer
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abstract::The relationship between chemosensitivity and p53 is currently considered from two mutually exclusive points of view: (1) wt p53 increases chemosensitivity due to apoptosis and (2) wt p53 decreases chemosensitivity due to growth arrest and DNA repair. We used p53-expressing adenovirus (Ad-p53) to directly evaluate eff...
journal_title:International journal of cancer
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abstract::In vitro, tumor-selective Hsp70 plasma membrane localization correlates with increased sensitivity to lysis mediated by a subpopulation of human natural killer (NK) cells that adhere to plastic following cytokine stimulation. In the present study, we analyzed the capacity of adoptively transferred human NK cells in SC...
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abstract::The age-adjusted incidence rates of cutaneous melanoma in Queensland in 1987 have been analysed for 16 anatomic sites, taking into account their surface areas. In men, the incidence of invasive melanoma on the ears, a chronically sun-exposed site, was extraordinarily high with annual rates of over 200 per 10(5) units ...
journal_title:International journal of cancer
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更新日期:1993-01-21 00:00:00
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journal_title:International journal of cancer
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更新日期:1993-07-30 00:00:00
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journal_title:International journal of cancer
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journal_title:International journal of cancer
pub_type: 杂志文章,评审
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更新日期:2014-10-15 00:00:00
abstract::Mouse-transformed keratinocytes cultured in the presence of transforming growth factor beta1 (TGF-beta1) acquire an array of morphologic and functional properties that give rise to a migratory phenotype that expresses mesenchymal molecular markers. This cellular conversion involves activation of the Ras-ERK pathway, e...
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更新日期:2003-12-10 00:00:00
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journal_title:International journal of cancer
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更新日期:2013-06-01 00:00:00
abstract::Fluoropyrimidines induce cytotoxicity, in part, by inhibiting the proliferation-coordinated enzyme thymidylate synthase (TS), which is essential for DNA synthesis. Tumor TS levels are clinically predictive of post-surgical tumor recurrence and of response to fluoropyrimidine chemotherapy. Fluoropyrimidine drug toxicit...
journal_title:International journal of cancer
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doi:
更新日期:2000-11-01 00:00:00
abstract::There is increasing use of multiple molecular markers to predict prognosis in human cancer. Our aim was to examine the prognostic significance of cyclin D1 and retinoblastoma (pRb) expression in association with human papillomavirus (HPV) status in oropharyngeal squamous cell carcinoma. Clinical records and specimens ...
journal_title:International journal of cancer
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更新日期:2011-04-01 00:00:00
abstract::Using differential screening of a breast cancer cDNA library, we isolated a cDNA encoding the psoriasin (S100A7) protein, previously identified in psoriatic epidermis. In the present study, we demonstrate that the psoriasin gene is expressed in breast cancer cell lines and in cancer cells of some breast carcinomas but...
journal_title:International journal of cancer
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abstract::Parathyroid hormone-related protein (PTHrP) is a causative factor of humoral hypercalcemia in malignancy. However, it is difficult to explain the mechanism of anorexia/cachexia with PTHrP secretion in detail. Previously, we demonstrated that the expressions of orexigenic peptides increased and anorexigenic peptides de...
journal_title:International journal of cancer
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abstract::The clinical pathological findings of eight cases of ovarian endodermal sinus tumour (yolk sac tumour) are presented. Histological exmination in all eight cases showed a typical endodermal sinus tumour pattern, and in six of the patients other tumour elements such as dysgerminoma, choriocarcinoma, malignant teratoma, ...
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journal_title:International journal of cancer
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journal_title:International journal of cancer
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abstract::Socioeconomic status (SES) is a determinant of outcome in various types of cancer. The aim of this study is to analyze the impact of the SES in Hodgkin's lymphoma (HL). From 2001 to 2005, 194 consecutive patients were prospectively followed in 5 institutions. Patients answered a questionnaire with a set of items used ...
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journal_title:International journal of cancer
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abstract::The Epstein-Barr virus nuclear antigen I (EBNA I) is the only latent EBV antigen consistently expressed in malignant tissues of the nasopharynx. A 20-amino-acid synthetic peptide, p107 contains a major epitope of EBNA I. We tested sera from 210 patients with nasopharyngeal carcinoma (NPC) and from 128 normal individua...
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abstract::Overuse of antibiotic drugs alters the composition of gut microbiota and has detrimental effects on the host. In our study, we investigated association of gut flora and antibiotics in the prognosis of patients with liver cancer who have undergone chemotherapy by analyzing two independent clinical studies. We retrospec...
journal_title:International journal of cancer
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abstract::Despite the steadily increasing number of patients suffering from squamous-cell carcinomas of the oropharyngeal region, little is known about the molecular steps involved in the induction of these neoplasms. We investigated oropharyngeal cancers from 38 patients for mutations in the p53 tumour-suppressor gene. The maj...
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