Abstract:
BACKGROUND:Wnt-signalling has an important role in renal cancer and it is modulated by genistein in other cancers. Recently, microRNAs (miRNAs) have emerged as new regulators of gene expression. Thus, we focused on miRNAs to examine the regulatory mechanism of genistein on the Wnt-signalling pathway in renal cell carcinoma (RCC). METHODS:Initially, we investigated the effect of genistein on Wnt-signalling (TOPflash reporter assay (TCF reporter assays)) in renal cancer cells, and using microarray identified candidate miRNAs whose expression was decreased by genistein. We performed functional analyses and investigated the relationship between miRNA expression and renal cancer patient outcomes. We also did 3'UTR luciferase assays to look at direct miRNA regulation of Wnt-signalling-related genes. RESULTS:Genistein promoted apoptosis while inhibiting RCC cell proliferation and invasion. Genistein also decreased TCF reporter activity in RCC cells. We found that miR-1260b was highly expressed and significantly downregulated by genistein in RCC cells. The expression of miR-1260b was significantly higher in renal cancer tissues compared with normal, and significantly related to overall shorter survival. In addition, miR-1260b promoted renal cancer cell proliferation and invasion in RCC cells. The 3'UTR luciferase activity of target genes (sFRP1, Dkk2, Smad4) was significantly decreased and their protein expression significantly upregulated in miR-1260b inhibitor-transfected renal cancer cells. CONCLUSION:Our data suggest that genistein inhibited Wnt-signalling by regulating miR-1260b expression in renal cancer cells.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Hirata H,Ueno K,Nakajima K,Tabatabai ZL,Hinoda Y,Ishii N,Dahiya Rdoi
10.1038/bjc.2013.173subject
Has Abstractpub_date
2013-05-28 00:00:00pages
2070-8issue
10eissn
0007-0920issn
1532-1827pii
bjc2013173journal_volume
108pub_type
杂志文章abstract:BACKGROUND:Twenty to 40% localised RCC patients may experience recurrence after curative surgery. Limited miRNA predictors have been identified for ccRCC recurrence. METHODS:Through a multi-phase study design, we analysed miRNAs in tissues obtained from 203 ccRCC patients. Paired t-test was used for tumour-normal comp...
journal_title:British journal of cancer
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doi:10.1038/bjc.2016.392
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abstract::The effect of 10(-6) M tamoxifen on MCF-7 cells adapted to growth in 0.5% foetal calf serum has been studied. The growth inhibitory effect of this tamoxifen concentration was abolished by simultaneous addition of 10(-8) M oestradiol, indicating that tamoxifen may exert its effect via binding to the oestrogen receptor....
journal_title:British journal of cancer
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abstract::In the past decade, an increasing number of frequently positive randomised clinical trials have been completed, allowing new consideration of the present therapeutic armamentarium for advanced renal cell carcinoma. These studies were predominantly designed to compare the experimental drugs with 1 of 2 active control a...
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doi:10.1054/bjoc.1999.1133
更新日期:2000-04-01 00:00:00
abstract::Two policies of palliative thoracic radiotherapy for non-small-cell lung cancer have been compared in a randomised multicentre controlled trial. A total of 369 patients with inoperable, histologically or cytologically confirmed disease, too advanced for radical 'curative' radiotherapy, and with their main symptoms rel...
journal_title:British journal of cancer
pub_type: 临床试验,杂志文章,随机对照试验
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abstract::A number of polyunsaturated fatty acids have been shown to inhibit the growth of malignant cells in vitro. To investigate whether fatty acids modify the growth of human pancreatic cancer, lauric, stearic, palmitic, oleic, linoleic, alpha-linolenic, gamma-linolenic, arachidonic, docosahexaenoic and eicosapentaenoic (EP...
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pub_type: 杂志文章
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更新日期:1994-05-01 00:00:00
abstract::A series of three dose escalating studies were conducted to investigate the ability of the 17alpha-hydroxylase/C(17,20)-lyase inhibitor abiraterone acetate, to cause maximum suppression of testosterone synthesis when delivered to castrate and noncastrate males with prostate cancer. Study A was a single dose study in c...
journal_title:British journal of cancer
pub_type: 临床试验,杂志文章,多中心研究
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更新日期:2004-06-14 00:00:00
abstract::Regional chemotherapy is commonly used to treat patients with colorectal liver metastases. However, improvement in survival has still not been demonstrated. Cytotoxic loaded albumin microspheres for arterial administration have been described as a means of improving the the therapeutic index, but their distribution de...
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pub_type: 杂志文章
doi:10.1038/bjc.1991.252
更新日期:1991-07-01 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1998.617
更新日期:1998-10-01 00:00:00
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pub_type: 杂志文章
doi:10.1038/s41416-018-0077-y
更新日期:2018-05-01 00:00:00
abstract:BACKGROUND:Cancer stem cells (CSCs) are responsible for tumour initiation, metastasis and recurrence. However, the mechanism of CSC formation, maintenance and expansion in colorectal cancer (CRC) remains poorly characterised. METHODS:The role of COP9 signalosome subunit 6 (CSN6) in regulating cancer stemness was evalu...
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pub_type: 杂志文章
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更新日期:2015-06-30 00:00:00
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abstract::High experienced continuity of care in patients with cancer is associated with lower needs for care, better quality of life and better psychological outcomes. We developed and evaluated an intervention to improve experienced continuity. The intervention, consisted of (1) a 17-item patient-completed continuity assessme...
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pub_type: 杂志文章,随机对照试验
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更新日期:2009-01-27 00:00:00
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更新日期:2008-03-25 00:00:00
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更新日期:2014-03-04 00:00:00
abstract::The results of treating two series of patients with Burkitt's lymphoma are presented in the form of survival curves. The second series shows an improved survival rate which seems to be due to a potentiating effect by potassium iodide on oral cyclophosphamide. So far no reason for this effect has been found. ...
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abstract::The identification of peptide vaccine candidates to date has been focused on human leukocyte antigen (HLA)-A2 and -A24 alleles. In this study, we attempted to identify cytotoxic T lymphocyte (CTL)-directed Lck-derived peptides applicable to HLA-A11(+), -A31(+), or -A33(+) cancer patients, because these HLA-A alleles s...
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更新日期:2007-12-17 00:00:00
abstract::Measurement of DNA polymerase in leukaemic guinea-pig plasms reveals the presence of low levels of sedimentable and non-sedimentable enzymic activities. Since the sedimentable DNA polymerase is ribonuclease sensitive, uses poly(C).oligo(dG) as template, and bands in a sucrose density gradient at 1-17 g/ml it is though...
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更新日期:1976-04-01 00:00:00
abstract:BACKGROUND:Regulator of cullins-1 (ROC1) is a key subunit in the cullin-RING ligase (CRL) protein complex. Our previous study indicated that ROC1 was essential for bladder cancer cell survival and that ROC1 knockdown inhibited CRL activity, triggering G2 phase arrest and senescence. However, the role of ROC1 in the mal...
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doi:10.1038/bjc.2015.444
更新日期:2016-02-02 00:00:00