Abstract:
BACKGROUND:Metastasis in breast cancer is a vital concern in treatment because most women with primary breast cancer have micrometastases to distant sites at diagnosis. As a member of the inhibitor of apoptosis protein (IAP) family, survivin has been proposed as an attractive target for new anticancer interventions. In this study, we investigated the role of the plasmid encoding the phosphorylation-defective mouse survivin threonine 34-->alanine mutant (Msurvivin T34A plasmid) in suppressing both murine primary breast carcinomas and pulmonary metastases. METHODS:In vitro study, induction of apoptosis by Msurvivin T34A plasmid complexed with cationic liposome (DOTAP/Chol) was examined by PI staining fluorescence microscopy and flow cytometric analysis. The anti-tumor and anti-metastases activity of Msurvivin T34A plasmid complexed with cationic liposome (DOTAP/Chol) was evaluated in female BALB/c mice bearing 4T1 s.c. tumors. Mice were treated twice weekly with i.v. administration of Msurvivin T34A plasmid complexed with cationic liposome (DOTAP/Chol), PORF-9 null plasmid complexed with cationic liposome (DOTAP/Chol), 0.9% NaCl solution for 4 weeks. Tumor volume was observed. After sacrificed, tumor net weight was measured and Lung metastatic nodules of each group were counted. Assessment of apoptotic cells by TUNEL assay was conducted in tumor tissue. Microvessel density within tumor tissue was determined by CD31 immunohistochemistry. Alginate-encapsulated tumor cells test was conducted to evaluate the effect on angiogenesis. By experiment of cytotoxicity T lymphocytes, we test whether Msurvivin T34A plasmid complexed with cationic liposome (DOTAP/Chol) can induce specific cell immune response. RESULTS:Administration of Msurvivin T34A plasmid complexed with cationic liposome (DOTAP/Chol) resulted in significant inhibition in the growth and metastases of 4T1 tumor model. These anti-tumor and anti-metastases responses were associated with triggering the apoptosis of tumor cells directly, inhibiting angiogenesis and inducing specific cellular immune response. CONCLUSION:The present findings suggest that the Msurvivin T34A plasmid complexed with cationic liposome may provide an effective approach to inhibit the growth and metastases of a highly metastatic mouse breast cancer model with minimal side effects.
journal_name
J Exp Clin Cancer Resjournal_title
Journal of experimental & clinical cancer research : CRauthors
Peng XC,Yang L,Yang LP,Mao YQ,Yang HS,Liu JY,Zhang DM,Chen LJ,Wei YQdoi
10.1186/1756-9966-27-46subject
Has Abstractpub_date
2008-09-25 00:00:00pages
46eissn
0392-9078issn
1756-9966pii
1756-9966-27-46journal_volume
27pub_type
杂志文章abstract:BACKGROUND:Human cancer cells can transfer signaling molecules to neighboring and distant cells predisposing them to malignant transformation. This process might contribute to tumor progression and invasion through delivery of oncogenes or inhibitors of tumor suppressor genes, derived from the primary tumor cells, to s...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-014-0086-5
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abstract::In a family consisting of 48 persons with high predisposition to familial stomach cancer (SCr), SCr was diagnosed in 8 persons (I-2; II-1,3,4; III-1,2,3,4). Moreover, one woman (III-8) had bilateral breast cancer and two (proband: IV-1 and her father's cousin: III-10) chronic gastritis. The proband, her father's cousi...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:
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journal_title:Journal of experimental & clinical cancer research : CR
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abstract:BACKGROUND:Dysregulated endocytosis of membrane proteins contributes significantly to several hallmarks of cancer. Basigin can enhance cancer progression, but its precise mechanism remains unclear. CD98 promotes cell spreading and tumorigenicity by triggering integrin clustering and enhancing cell adhesion to the extra...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-015-0226-6
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abstract::Cancer-associated fibroblasts (CAFs) plays an essential role in cancer cell growth, metabolism and immunoreaction. Autophagy is an intracellular self-degradative process that balances cell energy source and regulates tissue homeostasis. Targeting autophagy has gained interest with multiple preclinical and clinical tri...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章,评审
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/1756-9966-29-31
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/1756-9966-30-45
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abstract:BACKGROUND:Increased expression of epidermal growth factor receptor (EGFR) and its ligands is associated with poor prognosis and chemoresistance in many carcinoma types, but its role in head and neck squamous cell carcinoma (HNSCC) is unclear. Our aim was to clarify whether mRNA expression of EGFR-ligands was linked to...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-016-0422-z
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journal_title:Journal of experimental & clinical cancer research : CR
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journal_title:Journal of experimental & clinical cancer research : CR
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abstract:BACKGROUND:Hepatocellular carcinoma (HCC) is third leading cause of cancer-related death globally. Evidence suggest that long non-coding RNAs (lncRNAs) have emerged as key regulators of tumorigenesis and metastasis in HCC. In this study, we investigated the functional significance of SNHG12 and explored whether SNHG12 ...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-016-0486-9
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journal_title:Journal of experimental & clinical cancer research : CR
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abstract:BACKGROUND:Novel therapies tailored to the molecular composition of esophageal squamous cell carcinoma (ESCC) are needed to improve patient survival. We investigated the regulatory network of long intergenic non-protein coding RNA, regulator of reprogramming (linc-ROR) and sex-determining region Y-box 9 (SOX9), and the...
journal_title:Journal of experimental & clinical cancer research : CR
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doi:10.1186/s13046-017-0658-2
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:
更新日期:2006-03-01 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
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doi:10.1186/s13046-019-1240-x
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章,meta分析
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abstract::The aim of this study was to assess the nuclear/cytoplasmic (N/C) ratio using computerized image analysis of cervical smears with intraepithelial neoplasia (CIN) grade I to III associated or not with cellular changes of human papillomavirus (HPV) in an attempt to determine if this method is more sensitive for the esti...
journal_title:Journal of experimental & clinical cancer research : CR
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doi:
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journal_title:Journal of experimental & clinical cancer research : CR
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journal_title:Journal of experimental & clinical cancer research : CR
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journal_title:Journal of experimental & clinical cancer research : CR
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journal_title:Journal of experimental & clinical cancer research : CR
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:
更新日期:2002-09-01 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-018-0998-6
更新日期:2019-01-14 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-020-01772-y
更新日期:2020-11-23 00:00:00
abstract:BACKGROUND:Endometriosis is a gynecological disease defined by the histological presence of endometrial glands and stroma outside the uterine cavity. Women with endometriosis have an increased risk of different types of malignancies, especially ovarian cancer and non-Hodgkin's lymphoma. Though there are several theorie...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/1756-9966-28-49
更新日期:2009-04-09 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-018-0848-6
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-021-01841-w
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abstract::Radiofrequency Thermal Ablation (RFA) of liver tumors is done by percutaneous, laparoscopic and open surgical approach. Selection criteria for percutaneous or open surgical ablation of 65 hepatic lesions are here evaluated in 45 patients treated in a two-years period. Twenty-five patients were males and 20 females, ag...
journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:
更新日期:2003-12-01 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章,随机对照试验
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更新日期:2009-09-23 00:00:00
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journal_title:Journal of experimental & clinical cancer research : CR
pub_type: 杂志文章
doi:10.1186/s13046-019-1408-4
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