Abstract:
PURPOSE:B-cell translocation gene 3 (BTG3) has been identified as a candidate driver gene for various cancers, but its specific role in colorectal cancer (CRC) is poorly understood. We aimed to investigate the relationship between expression of BTG3 and clinicopathological features and prognosis, as well as to explore the effects and the role of a possible BTG3 molecular mechanism on aggressive colorectal cancer behavior. METHODS:BTG3 expression was assessed by immunohistochemistry (IHC) on specimens from 140 patients with CRC. The association of BTG3 expression with clinicopathological features was examined. To confirm the biological role of BTG3 in CRC, two CRC cell lines expressing BTG3 were used and BTG3 expression was knocked down by shRNA. CCK-8, cell cycle, apoptosis, migration, and invasion assays were performed. The influence of BTG3 knockdown was further investigated by genomic microarray to uncover the potential molecular mechanisms underlying BTG3-mediated CRC development and progression. RESULTS:BTG3 was downregulated in colorectal cancer tissues and positively correlated with pathological classification (p = 0.037), depth of invasion (p = 0.016), distant metastasis (p = 0.024), TNM stage (p = 0.007), and overall survival (OS) and disease-free survival (DFS). BTG3 knockdown promoted cell proliferation, migration, invasion, relieved G2 arrest, and inhibited apoptosis in HCT116 and LoVo cells. A genomic microarray analysis showed that numerous tumor-associated signaling pathways and oncogenes were altered by BTG3 knockdown. At the mRNA level, nine genes referred to the extracellular-regulated kinase/mitogen-activated protein kinase pathway were differentially expressed. Western blotting revealed that BTG3 knockdown upregulated PAK2, RPS6KA5, YWHAB, and signal transducer and activator of transcription (STAT)3 protein levels, but downregulated RAP1A, DUSP6, and STAT1 protein expression, which was consistent with the genomic microarray data. CONCLUSIONS:BTG3 expression might contribute to CRC carcinogenesis. BTG3 knockdown might strengthen the aggressive colorectal cancer behavior.
journal_name
J Cancer Res Clin Oncoljournal_title
Journal of cancer research and clinical oncologyauthors
Lv C,Wang H,Tong Y,Yin H,Wang D,Yan Z,Liang Y,Wu D,Su Qdoi
10.1007/s00432-017-2561-9subject
Has Abstractpub_date
2018-02-01 00:00:00pages
295-308issue
2eissn
0171-5216issn
1432-1335pii
10.1007/s00432-017-2561-9journal_volume
144pub_type
杂志文章abstract:PURPOSE:To analyse hepcidin serum and urine levels during radiotherapy for prostate cancer. METHODS:In 18 patients undergoing radiotherapy for prostate cancer, blood, plasma, and urine samples were taken before and during radiotherapy. Complete blood cell count, pro-hepcidin-, ferritin-, transferrin-, IL-1beta-, IL-6-...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-006-0170-0
更新日期:2007-05-01 00:00:00
abstract::The histologic grade of regression of 50 osteosarcomas after polychemotherapy - according to the protocol study, COSS 80 - was classified on a six-stage regression scale; 56% of all patients responded well to chemotherapy regression grades I, II, and III and no significant difference between BCD- and CPL-treated patie...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00625047
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-001-0305-2
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abstract:PURPOSE:Oral cancer (OC) patients are at high risk to develop recurrent disease or secondary primary cancers with no available biomarkers to detect these events until a visible lesion is readily present and diagnosed by biopsy. Exosomes secreted by cancer cells are involved in tumor growth, invasion and metastasis. We ...
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-012-1168-4
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-020-03441-1
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s004320050340
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01221194
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-003-0531-x
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00397925
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00389969
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/BF01612765
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journal_title:Journal of cancer research and clinical oncology
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-009-0561-0
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journal_title:Journal of cancer research and clinical oncology
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更新日期:2016-02-01 00:00:00
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journal_title:Journal of cancer research and clinical oncology
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doi:10.1007/s00432-008-0505-0
更新日期:2009-05-01 00:00:00
abstract:BACKGROUND:The PI3K pathway controls diverse cellular processes including growth, survival, metabolism, and apoptosis. Nuclear FOXO factors were observed in cancers that harbor constitutively active PI3K pathway output and stem signatures. FOXO1 and FOXO3 were previously published to induce stem genes such as OCT4 in e...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-020-03133-w
更新日期:2020-03-01 00:00:00
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00390992
更新日期:1984-01-01 00:00:00
abstract::Rat 13672 mammary carcinoma tumors were grown subcutaneously in the hind legs of female Fischer 344 rats to a volume of about 1 cm3. Tumor oxygenation was measured using an Eppendorf PO2 histograph. Tumor oxygen measurements were made under four conditions: (a) normal air breathing, (b) carbogen breathing, (c) after i...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01212813
更新日期:1994-01-01 00:00:00
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journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01208638
更新日期:1997-01-01 00:00:00
abstract::Targeted therapy refers to anticancer treatment which specifically targets key molecules of cancer cells and/or neovascular cells, aiming to thus interfere with processes of tumorigenesis, cancer progression and metastasis. The epidermal growth factor receptor (EGFR) was the first receptor to be proposed for targeted ...
journal_title:Journal of cancer research and clinical oncology
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更新日期:2009-09-01 00:00:00
abstract:PURPOSE:Pancreatic cancer is commonly detected at advanced stages when the tumor is no longer amenable to surgical resection. Therefore, finding biomarkers for early stage disease is urgent. Here, we show that high-definition mass spectrometry (HDMS(E)) can be used to identify serum protein alterations associated with ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-014-1817-x
更新日期:2015-02-01 00:00:00
abstract::Some unsolved problems in DNA alkylation by N-nitroso compounds are discussed in this overview. Does O6 alkylation of guanine represent the initiating event exclusively or are O4 alkylation of thymidine and phosphate triester formation also involved in the initiating process? Does the formation of rearranged DNA alkyl...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章,评审
doi:10.1007/BF00404386
更新日期:1986-01-01 00:00:00
abstract:PURPOSE:The antimalarial agent, artemisinin, also confers cancer-specific cytotoxic effects by reacting with ferrous iron atoms to form free radicals. Here, we investigated the radiosensitizing effects of dihydroartemisinin on glioma cells and assessed some possible mechanisms for these effects. MATERIALS AND METHODS:...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
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更新日期:2006-02-01 00:00:00