Abstract:
BACKGROUND:Toll-like receptor 3 (TLR3) is a critical component of the innate immune response to dsRNA viruses, which was considered to be mainly expressed in immune cells and some endothelial cells. In this study, we investigated the expression and proapoptotic activity of TLR3 in human and murine tumor cell lines. METHODS:RT-PCR and FACS analysis were used to detect expression of TLR3 in various human and murine tumor cell lines. All tumor cell lines were cultured with poly I:C, CHX, or both for 12 h, 24 h, 72 h, and then the cell viability was analyzed with CellTiter 96(R) AQueous One Solution, the apoptosis was measured by FACS with Annexin V and PI staining. Production of Type I IFN in poly I:C/CHX mediated apoptosis were detected through western blotting. TLR3 antibodies and IFN-beta antibodies were used in Blockade and Neutralization Assay. RESULTS:We show that TLR3 are widely expressed on human and murine tumor cell lines, and activation of TLR3 signaling in cancerous cells by poly I:C made Hela cells (human cervical cancer) and MCA38 cells (murine colon cancer) become dose-dependently sensitive to protein synthesis inhibitor cycloheximide (CHX)-induced apoptosis. Blockade of TLR3 recognition with anti-TLR3 antibody greatly attenuated the proapoptotic effects of poly I:C on tumor cells cultured with CHX. IFN-beta production was induced after poly I:C/CHX treatment and neutralization of IFN-beta slightly reduced poly I:C/CHX -induced apoptosis. CONCLUSION:Our study demonstrated the proapoptotic activity of TLR3 expressed by various tumor cells, which may open a new range of clinical applications for TLR3 agonists as an adjuvant of certain cancer chemotherapy.
journal_name
BMC Cancerjournal_title
BMC cancerauthors
Jiang Q,Wei H,Tian Zdoi
10.1186/1471-2407-8-12subject
Has Abstractpub_date
2008-01-17 00:00:00pages
12issn
1471-2407pii
1471-2407-8-12journal_volume
8pub_type
杂志文章相关文献
BMC CANCER文献大全abstract:BACKGROUND:Understanding the complex, multistep process of metastasis remains a major challenge in cancer research. Metastasis models can reveal insights in tumor development and progression and provide tools to test new intervention strategies. METHODS:To develop a new cancer metastasis model, we used DU145 human pro...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-14-387
更新日期:2014-05-30 00:00:00
abstract:BACKGROUND:Nasopharyngeal carcinoma (NPC) is a highly invasive and metastatic cancer. N,N'-dinitrosopiperazine (DNP), a carcinogen with specificity for nasopharyngeal epithelium, facilitates NPC metastasis. However, the underlying mechanism is not known. METHODS:Quantitative phosphoproteomics, using stable isotope lab...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-14-243
更新日期:2014-04-05 00:00:00
abstract:BACKGROUND:This paper describes the development of a Cancer Awareness Measure for colorectal (CRC) cancer (Bowel/Colorectal CAMa) (study 1) and presents key results from a population-representative survey using the measure (study 2). METHODS:STUDY 1: Items were taken from the literature and reviewed by expert groups. ...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-11-366
更新日期:2011-08-23 00:00:00
abstract:BACKGROUND:Continued smoking after cancer adversely affects quality of life and survival, but one fifth of cancer survivors still smoke. Despite its demands, cancer presents an opportunity for positive behaviour change. Smoking often occurs in social groups, therefore interventions which target families and individuals...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-017-3344-z
更新日期:2017-05-19 00:00:00
abstract:BACKGROUND:Many advanced human tumors, including hepatocellular carcinomas (HCC) are auxotrophic for arginine due to down-regulation of argininosuccinate synthetase (ASS1), the rate-limiting enzyme in arginine synthesis. The arginine-lowering agent PEGylated arginine deiminase (ADI-PEG 20) has shown efficacy as a monot...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-14-621
更新日期:2014-08-28 00:00:00
abstract:BACKGROUND:MicroRNAs are the endogenous small non-coding RNA molecules capable of silencing protein coding genes at the posttranscriptional level. Based on computer-aided predictions, a single microRNA could have over a hundred of targets. On the other hand, a single protein-coding gene could be targeted by many potent...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-9-194
更新日期:2009-06-18 00:00:00
abstract:BACKGROUND:Glioblastoma multiforme (GBM) is the most malignant central nervous system tumor. Alkylating agent, temozolomide (TMZ), is currently the first-line chemotherapeutic agent for GBM. However, the sensitivity of GBM cells to TMZ is affected by many factors. And, several clinic trials, including co-administration...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-018-5056-4
更新日期:2018-12-04 00:00:00
abstract:BACKGROUND:To investigate whether genetic variants of the HBV receptor gene NTCP are associated with HBV infection in the Han Chinese population. METHODS:We sequenced the entire 23 kb NTCP gene from 111 HBeAg-positive HBsAg carriers (PSE group), 110 HBeAg-negative HBsAg carriers (PS group), and 110 control subjects. T...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-016-2257-6
更新日期:2016-03-12 00:00:00
abstract:BACKGROUND:Angiogenesis is generally involved during the cancer development and hematogenous metastasis. Vascular endothelial growth factor (VEGF) and epidermal growth factor receptor (EGFR) are considered to have an important role in tumor-associated angiogenesis. However, the effects of simultaneously targeting on VE...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-016-2834-8
更新日期:2016-10-12 00:00:00
abstract:BACKGROUND:The effects of exposure to ultraviolet radiation are a significant concern in Australia which has one of the highest incidences of skin cancer in the world. Despite most skin cancers being preventable by encouraging consistent adoption of sun-protective behaviours, incidence rates are not decreasing. There i...
journal_title:BMC cancer
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1186/1471-2407-14-162
更新日期:2014-03-07 00:00:00
abstract:BACKGROUND:Cervical dysplasia and tumorigenesis have been linked with numerous chromosomal aberrations. The goal of this study was to evaluate 35 genomic regions associated with cervical disease and to select those which were found to have the highest frequency of aberration for use as probes in fluorescent in-situ hyb...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-10-432
更新日期:2010-08-16 00:00:00
abstract:BACKGROUND:The cytochrome P450 (CYP) enzymes 2C19, 2D6, and 3A5 are responsible for converting the selective estrogen receptor modulator (SERM), tamoxifen to its active metabolites 4-hydroxy-tamoxifen (4OHtam) and 4-hydroxy-N-demethyltamoxifen (4OHNDtam, endoxifen). Inter-individual variations of the activity of these ...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-10-313
更新日期:2010-06-21 00:00:00
abstract:BACKGROUND:Spinal bone metastases are commonly diagnosed in cancer patients. The consequences are pain both at rest and under exercise, impairment of activities of daily life (ADL), reduced clinical performance, the risk of pathological fractures, and neurological deficits. The aim of this randomized, controlled pilot ...
journal_title:BMC cancer
pub_type: 杂志文章,随机对照试验
doi:10.1186/1471-2407-14-67
更新日期:2014-02-05 00:00:00
abstract:BACKGROUND:Metastatic melanoma is an incurable disease with an average survival of less than one year. Talabostat is a novel dipeptidyl peptidase inhibitor with immunostimulatory properties. METHODS:This phase II, open label, single arm study was conducted to evaluate the safety and efficacy of 75-100 mg/m2 cisplatin ...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-9-263
更新日期:2009-07-30 00:00:00
abstract:BACKGROUND:For gastric cancer patients, surgical resection with en-bloc lymphadenectomy is the cornerstone of curative treatment. Open gastrectomy has long been the preferred surgical approach worldwide. However, this procedure is associated with considerable morbidity. Several meta-analyses have shown an advantage in ...
journal_title:BMC cancer
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1186/s12885-015-1551-z
更新日期:2015-07-29 00:00:00
abstract:BACKGROUND:Compared with World Health Organization-defined acute myeloid leukaemia (AML) not otherwise specified, patients with AML with myelodysplasia-related changes (AML-MRC) are generally older and more likely to have poor-risk cytogenetics, leading to poor response and prognosis. More than one-half of all older (≥...
journal_title:BMC cancer
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1186/s12885-017-3803-6
更新日期:2017-12-14 00:00:00
abstract:BACKGROUND:Gynecologic cancer is one of the most common malignant diseases in working-age women. This study investigated whether several characteristics influence return to work after treatment of gynecologic cancer. METHODS:We investigated the correlations between return to work and several other characteristics in 1...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-016-2627-0
更新日期:2016-07-29 00:00:00
abstract:BACKGROUND:Patients with advanced or metastatic non-small cell lung cancer (NSCLC) can develop acquired resistance to epidermal growth factor receptor tyrosine kinase inhibitors (TKIs) erlotinib and gefitinib. Here, we report the successful treatment with alternating chemotherapy and TKIs of two cases of advanced NSCLC...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-11-90
更新日期:2011-03-02 00:00:00
abstract:BACKGROUND:Immunotherapies have advanced the treatment of metastatic melanoma; however, they are associated with immune-related toxicities. Patients with pre-existing autoimmune comorbidities are commonly excluded from clinical trials investigating immunotherapies in metastatic melanoma. Since information on pre-existi...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-018-4051-0
更新日期:2018-02-06 00:00:00
abstract:BACKGROUND:Recent data in esophageal cancer suggests the variant allele of a single-nucleotide polymorphism (SNP) in XRCC1 may be associated with resistance to radiochemotherapy. However, this SNP has not been assessed in a histologically homogeneous clinical trial cohort that has been treated with a uniform approach. ...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-11-176
更新日期:2011-05-17 00:00:00
abstract:BACKGROUND:Cervical cancer is the 4th highest cause of female reproductive tract malignancies. Multiple loci have been identified as important determinant factors for tumor susceptibility. In this report, we aimed to explore the roles of gene polymorphisms affecting x-ray repair cross complementing 1 (XRCC1), the tumor...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-018-5149-0
更新日期:2019-01-07 00:00:00
abstract:BACKGROUND:Lung cancer (LC) is the leading cause of cancer-related deaths. Oxidative DNA damage may contribute to the cancer risk. The antioxidant paraoxonase (PON1) is an endogenous free radical scavenger in the human body. The aim of this study was to determine serum PON1 and arylesterase (ARE) activities in patients...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-7-48
更新日期:2007-03-15 00:00:00
abstract:BACKGROUND:Extramural tumor deposits (TDs) and extracapsular lymph node involvement (ECLNI) are considered to be poor prognostic factors in patients with T3-4, N0-2, M0 colorectal cancer (CRC). Although TDs are known to have multiple origins and pleomorphic features, the prognostic significances of the different type o...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-015-1885-6
更新日期:2015-11-06 00:00:00
abstract:BACKGROUND:Several stromal cell subtypes including macrophages contribute to tumor progression by inducing epithelial-mesenchymal transition (EMT) at the invasive front, a mechanism also linked to metastasis. Tumor associated macrophages (TAM) reside mainly at the invasive front but they also infiltrate tumors and in t...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-12-35
更新日期:2012-01-24 00:00:00
abstract:BACKGROUND:The aim of this population-based study was to assess independent prognostic factors in ovarian cancer using relative survival (RS) and to investigate changes in RS rates from 1982 to 2005. METHODS:Data on 748 patients with ovarian cancer were provided by the Côte d'Or gynaecologic cancer registry. The RS wa...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-10-622
更新日期:2010-11-10 00:00:00
abstract:BACKGROUND:Estrogen receptor positive breast cancers have high recurrence rates despite tamoxifen therapy. Breast cancer stem/progenitor cells (BCSCs) initiate tumors, but expression of estrogen (ER) or progesterone receptors (PR) and response to tamoxifen is unknown. Interleukin-6 (IL-6) and interleukin-8 (IL-8) may i...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-14-733
更新日期:2014-09-30 00:00:00
abstract:BACKGROUND:Acute lymphoblastic leukemia (ALL) is a heterogeneous group of malignant disorders derived from B- or T-cell lymphoid progenitor cells. ALL often is refractory to or relapses after treatment; thus, novel targeted therapy for ALL is urgently needed. In the present study, we initially found that the level of S...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-015-1282-1
更新日期:2015-04-07 00:00:00
abstract:BACKGROUND:Overexpression of Cullin7 is associated with some types of malignancies. However, the part of Cullin7 in hepatocellular carcinoma remains unclear. The aim of this study was to investigate the role of Cullin7 in pathogenesis and the progression of hepatocellular carcinoma. METHODS:In the present study, the e...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/s12885-017-3839-7
更新日期:2017-12-06 00:00:00
abstract:BACKGROUND:Vascular Endothelial Growth Factors (VEGFs) and their receptors (VEGF-Rs) are important regulators for angiogenesis and lymphangiogenesis. VEGFs and VEGF-Rs are not only expressed on endothelial cells but also on various subtypes of solid tumors and leukemias contributing to the growth of the malignant cells...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-12-19
更新日期:2012-01-17 00:00:00
abstract:BACKGROUND:Neoadjuvant Chemotherapy (NC) including trastuzumab induces a high rate of pathological Complete Responses (pCR) in patients with locally advanced HER2-overexpressing Breast Cancer (BC), but is penalized by a severe cardiotoxicity when combined with anthracyclines. A phase II study was designed to assess whe...
journal_title:BMC cancer
pub_type: 杂志文章
doi:10.1186/1471-2407-14-954
更新日期:2014-12-15 00:00:00