Abstract:
:T-cell responses have been reported to be impaired in cancer patients, and lymphocytes infiltrating human tumors (T-TIL) appear to be more affected than those in the peripheral blood. T-TIL display a poor proliferative response when compared to peripheral blood T (T-PBL) cells that show a strong response to all stimuli. Here we report that T-TIL from patients with renal cell carcinoma (RCC) also have a defect in transferrin receptor (TfR) expression that is not present in T-PBL cells. Immunocytometry studies (dual staining for CD3 epsilon and TfR) demonstrated that autologous T cells from the peripheral blood but not from the tumor expressed TfR following stimulation with IL2, anti-CD3 or PHA. Expression of TfR correlated with the capacity of T cells from the blood and tumor to proliferate. Gene expression studies using reverse transcriptase-polymerase chain reaction (RT-PCR) demonstrated that TfR mRNA levels in T-TIL were undetectable or low relative to T-PBL following stimulation. The failure to detect TfR mRNA in T-TIL after stimulation was not due to a shift in kinetics of mRNA accumulation since TfR mRNA was not detectable at any of the times tested (4, 12, 24 and 36 hr). The defect in TfR gene expression is selective since IL2R alpha gene expression was induced in T-TIL. Because IL2 binding to its receptor results in TfR expression, the defect in TfR induction in T-TIL appears to be distal to IL2R alpha expression. Our studies illustrate another alteration in T-TIL that is not observed in T cells from the peripheral blood. The absence of TfR gene expression may contribute to the poor proliferative response of T cells from the tumor.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Kudoh S,Stanley J,Edinger MG,Tubbs RR,Klein E,Bukowski RM,Finke JHdoi
10.1002/ijc.2910580311subject
Has Abstractpub_date
1994-08-01 00:00:00pages
369-75issue
3eissn
0020-7136issn
1097-0215journal_volume
58pub_type
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journal_title:International journal of cancer
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abstract::Under the aegis of EUROCARE, a European Union project to assemble survival data from population-based cancer registries and analyze them according to standardized procedures, we have investigated and compared colon-cancer survival in 10 European countries. We analyzed 68,283 colon-cancer cases diagnosed between 1978 a...
journal_title:International journal of cancer
pub_type: 杂志文章,多中心研究
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abstract::Major etiologic factors associated with human hepatocellular carcinomas (HCCs) include infection with hepatitis C (HCV) and hepatitis B virus (HBV), excess alcohol intake and aflatoxin B(1) exposure. While the G-->T p53 mutation at codon 249 has been identified as a genetic hallmark of HCC caused by aflatoxin B(1), th...
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journal_title:International journal of cancer
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abstract::In a population-based case-control study of dietary risk factors for pancreatic cancer, a total of 179 cases and 239 controls were interviewed between 1984 and 1988. This study demonstrated an increased risk of pancreas cancer associated with high levels of reported energy intake. After adjustment for age, sex, respon...
journal_title:International journal of cancer
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abstract::The 26S proteasome, consisting of the 20S core and 19S regulatory complexes, regulates intracellular protein concentration through proteolytic degradation of targeted substrates. Composition of the 19S regulatory complex as well as posttranslational modifications of the 19S subunits can effectively regulate the activi...
journal_title:International journal of cancer
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abstract::The steady-state mRNA level of nucleophosmin/B23 in HeLa cells increased after UV irradiation. Nucleophosmin/B23 antisense transfection potentiated ultraviolet (UV)-induced cell killing. A block in G(2)/M phase, larger peak of apoptotic cells and higher caspase-3 in vitro activity were noted in nucleophosmin/B23 antis...
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abstract::Mouse and human lymphoid cells were cultivated in the presence of T-cell growth factor (TCGF) and evaluated for their in vivo anti-tumor effect in mice. Cultured spleen cells of normal BALB/c mice or of mice bearing the M109 tumor had a high level of cytotoxic activity in vitro against a variety of tumor target cells ...
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journal_title:International journal of cancer
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journal_title:International journal of cancer
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doi:10.1002/(sici)1097-0215(19970807)72:4<551::aid-ijc
更新日期:1997-08-07 00:00:00
abstract::Although thyroid cancer is suspected to have a nutritional etiology, prospective studies examining the relationship between diet and thyroid cancer are lacking. During 1996-1997, NIH-AARP Diet and Health Study participants, ages 51-72 years, completed a 37-item food frequency questionnaire about diet at ages 12-13 yea...
journal_title:International journal of cancer
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更新日期:2015-11-15 00:00:00
abstract::Mice transgenic for the carcinoembryonic (CEA) gene were used to study the biodistribution and tumor targeting of a radioiodinated monoclonal antibody (MAb), T84.66. The specificity of antibody uptake in tumors was assessed in mice bearing a CEA-transfected syngeneic tumor as well as the antigen-negative parental tumo...
journal_title:International journal of cancer
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doi:10.1002/(sici)1097-0215(20000315)85:6<751::aid-ijc
更新日期:2000-03-15 00:00:00
abstract::Data from a large, multicenter, population-based case-control study were analyzed to investigate the relation between multiple birth pregnancies and subsequent breast-cancer risk in the gravidas. Women less than 75 years old who had breast cancer were identified from statewide tumor registries in Wisconsin, western Ma...
journal_title:International journal of cancer
pub_type: 杂志文章,多中心研究
doi:10.1002/ijc.2910620209
更新日期:1995-07-17 00:00:00
abstract::The standard treatment for invasive bladder cancer is radical cystectomy. In selected patients, bladder-sparing therapy can be performed by transurethral resection (TURBT) and radio-chemotherapy (RCT) or radiotherapy (RT). Our published in vitro data suggest that the Neuropilin-2 (NRP2)/VEGF-C axis plays a role in the...
journal_title:International journal of cancer
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更新日期:2015-01-15 00:00:00
abstract::The interactions of MCF-7 tumor cells with human vascular endothelial cells (EC) and subendothelial extracellular matrices (ECM) were morphologically observed by electron microscopy and quantitatively evaluated by labelling tumor cells with 111Indium-oxine. MCF-7 tumor cells adhered more rapidly to ECM than to the api...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910400416
更新日期:1987-10-15 00:00:00
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journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.32849
更新日期:2020-08-15 00:00:00
abstract::Although cervical cancer (CC) is a leading cause of cancer-related deaths in developing countries, incidence rates vary considerably, ranging from 3 to 61 per 10(5) females. Identifying determinants of high vs. low rates may suggest population-level prevention strategies. CC rates for 175 countries were obtained from ...
journal_title:International journal of cancer
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doi:10.1002/ijc.10453
更新日期:2002-07-10 00:00:00
abstract::Apurinic/apyrimidinic (AP) sites are common mutagenic and cytotoxic DNA lesions that arise from the loss of normal bases. APE1, the major AP endonuclease of human cells, plays a central role in the repair of AP sites through both its endonuclease and phosphodiesterase activities. A common APE1 polymorphism, a T-->G tr...
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更新日期:2006-06-15 00:00:00
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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::Cutaneous T-Cell lymphoma (CTCL) is a non-Hodgkin's lymphoma of unknown pathogenesis. Mycosis fungoides (MF) is a clinically determined subset of CTCL with intensive infiltration of lymphoma cells into the epidermis. To determine whether Epstein-Barr virus (EBV) is associated with these lymphoma cells, we performed mR...
journal_title:International journal of cancer
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abstract::The emergence of mutations in the androgen receptor (AR) gene is a recurrent event during progression of prostate cancer (PCa) on androgen ablation therapy. In this study, we show that nonsense mutations that lead to carboxyl-terminal end truncated ARs are found at high frequency in metastatic PCas. Transcriptional ac...
journal_title:International journal of cancer
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abstract::The majority of small-cell lung cancers (SCLCs) express p16 but not pRb. Given our previous study showing loss of pRb in Merkel cell carcinoma (MCC)/neuroendocrine carcinoma of the skin and the clinicopathological similarities between SCLC and MCC, we wished to determine if this was also the case in MCC. Twenty-nine M...
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abstract::Intracellular thiols have been proposed as mediators of resistance to alkylating agents and cisplatin. As metallothionein is the predominant protein thiol, we examined its relationship to cisplatin resistance in human ovarian cancer cell lines. A human ovarian carcinoma cell line, A2780, derived from an untreated pati...
journal_title:International journal of cancer
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abstract::Biopsies obtained from 74 Tunisian women with breast cancer (33 cases), benign breast disease (17 cases), and cervical cancer (24 cases) were assayed for the presence of an antigen cross-reacting with gp52 of the mouse mammary tumor virus (MMTV) in order to determine the frequency and possible prognostic significance ...
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abstract::Cell cycle regulation is dependent on multiple cellular and molecular events. Cell proliferation requires metabolic sources for the duplication of DNA and cell size. However, nucleotide reservoirs are not sufficient to support cell duplication and, therefore, biosynthetic pathways should be upregulated during cell cyc...
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abstract::Receptor status and gene amplification were studied in advanced human ovarian adenocarcinoma tissues, borderline and benign ovarian tumours and normal ovarian tissues. Sixty-five percent (53/82) of ovarian adenocarcinomas, 57% (8/14) of benign/borderline tumours and only 31% (5/16) of normal ovarian tissues studied sh...
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