Abstract:
Background:This study investigated the effect of hyaluronic acid (HA)-CD44st on the invasive ability of human breast cancer MCF-7 cells and the correlation between the expression of CD44st and human epidermal growth factor receptor-2 (HER-2) in postoperative breast cancer patients. Materials and methods:MCF-7 cells transfected with the eukaryotic expression vector pcDNA3.1-CD44st (MCF/CD44st) were used to examine the effect of the activation of the HA-CD44st-transforming growth factor β (TGFβ)-phosphatidylinositol-3-kinase (PI3K) signaling pathway on the invasive ability of MCF-7 cells. The expression of proteins related to this signaling pathway was assessed by flow cytometry, reverse transcription-polymerase chain reaction, and Western blotting, and the role of AP-1 in the pathway was investigated by electrophoretic mobility shift assay. The effect of pathway activation on the invasion of MCF-7 cells was assessed by Transwell assay, and CD44 expression in breast cancer tissue was detected by immunohistochemistry. Quantitative reverse transcription-polymerase chain reaction was used to detect the expression of CD44st and HER-2 in breast cancer tissue and their correlation was investigated. Results:HA significantly upregulated HER-2 and TGFβ in MCF-7/CD44st cells, increased p-AKT expression and AP-1 activity, and promoted the invasive ability of tumor cells. CD44st mRNA expression had significant difference between breast cancer tissues and adjacent normal tissues (P < 0.05), and high expression of CD44st mRNA was closely correlated with HER-2 expression in breast cancer tissues. Conclusion:Binding of HA to the CD44st receptor may regulate the invasiveness of MCF-7 cells through the CD44st/TGFβ/PI3K/AP-1 signaling pathway with increased expression of TGFβ and HER-2. The expression of CD44st mRNA is correlated with HER-2 expression in postoperative breast cancer patients.
journal_name
Onco Targets Therjournal_title
OncoTargets and therapyauthors
Ying Zhi L,Xu Z,Ning L,Jia Jin L,Hai Cui Y,Hong HG,Fang XJdoi
10.2147/OTT.S160531subject
Has Abstractpub_date
2018-09-10 00:00:00pages
5677-5688issn
1178-6930pii
ott-11-5677journal_volume
11pub_type
杂志文章abstract::The antidiabetic drug metformin has been shown to possess antitumor functions in many types of cancers. Although studies have revealed its beneficial effects on the prognosis of hepatocellular carcinoma (HCC), the detailed molecular mechanism underlying this event remains largely unknown. In this work, we showed that ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S99770
更新日期:2016-05-12 00:00:00
abstract:Background:The diagnosis rate of early stage esophageal squamous cell carcinoma (ESCC) is low due to the lack of specific tumor markers. Seeking for these markers is beneficial to improve the early diagnosis rate and the prognosis of patients. This study profiles the differentially expressed proteins of early stage ESC...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S171242
更新日期:2018-09-12 00:00:00
abstract::[This corrects the article DOI: 10.2147/OTT.S196910.]. ...
journal_title:OncoTargets and therapy
pub_type: 已发布勘误
doi:10.2147/OTT.S229714
更新日期:2019-09-19 00:00:00
abstract::Quercetin is proven to have anticancer effects for many cancers. However, the role of tumor suppressor p53 on quercetin's radiosensitization and regulation of endoplasmic reticulum (ER) stress response in this process remains obscure. Here, quercetin exposure resulted in ER stress, prolonged DNA repair, and the expres...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S147316
更新日期:2017-12-21 00:00:00
abstract:Background:The immune environment of lung cancer is complex, and the critical immune factors that promote lung cancer progression need to be explored. Granulocytic myeloid-derived suppressor cells (G-MDSCs) are regarded as immune suppressing cells. However, they also promote tumor progression through other ways, which ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S256378
更新日期:2020-09-30 00:00:00
abstract:BACKGROUND:Metastasis-associated lung adenocarcinoma transcript 1 (MALAT-1) is identified to be overexpressed in several cancers. However, the role of MALAT-1 in chondrosarcoma is poorly understood. METHODS:The expression of MALAT-1 and Notch-1 signaling pathway was detected in chondrosarcoma tissues and chondrosarcom...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S100003
更新日期:2016-04-13 00:00:00
abstract::The incidence of lung neuroendocrine carcinomas, which originate from lung neuroendocrine cells, is 1.35/100,000, among which mixed neuroendocrine carcinomas are very rare. Because of the heterogeneity and significant differences in sensitivity to treatments, there is no effective treatment, and the prognosis is poor....
journal_title:OncoTargets and therapy
pub_type:
doi:10.2147/OTT.S210699
更新日期:2019-11-14 00:00:00
abstract::The aim of this study was to evaluate the efficacy and toxicity of stereotactic body radiation therapy (SBRT) in the treatment of patients with liver metastases. Between August 2006 and July 2011, patients with 1-4 liver metastases were enrolled and treated with SBRT using the CyberKnife(®) system at Tianjin Medical U...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S58409
更新日期:2014-06-12 00:00:00
abstract:Background:Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors and exhibit a high frequency of oncogenic KIT or PDGFRA mutations. Tyrosine kinase inhibitors (TKIs) have been mainly used in the treatment of GISTs bearing KIT/PDGFRA mutations. However, other mutation profiles have been found to...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S155214
更新日期:2018-04-20 00:00:00
abstract:Purpose:This study aimed to investigate the regulatory roles of estrogen receptor beta (ERβ) on gastric cancer (GC) cells, and reveal the potential mechanisms relating to nuclear factor-kappa B (NF-κB) signaling. Methods:GC cell lines SGC7901 and MKN45 were transfected with pEGFP-C1-ERβ to overexpress ERβ, and treated...
journal_title:OncoTargets and therapy
pub_type: 杂志文章,收录出版
doi:10.2147/OTT.S214529
更新日期:2019-11-05 00:00:00
abstract:BACKGROUNDS:Sitting time and physical activity are associated with cancer risk; however, their roles in the development of esophageal squamous cell carcinoma (ESCC) are inconclusive. This study aimed to investigate the effects of total sitting time, occupational activity time (OAT), and recreational activity time (RAT)...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S147711
更新日期:2017-09-27 00:00:00
abstract:BACKGROUND:The association of cancer stem cells with epithelial-mesenchymal transition (EMT) is receiving attention. We found in our previous study that EMT existed from CD24- phenotype cells to their differentiated cells. It was shown that cyclin D1 functioned in sustaining self-renewal independent of CDK4/CDK6 activa...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S44177
更新日期:2013-06-20 00:00:00
abstract:BACKGROUND:Leucine-rich glioma inactivated 3 (LGI3) is a secreted protein member of LGI family. We previously reported that LGI3 was expressed in brain, adipose tissues and skin, where it played roles as a multifunctional cytokine. We postulated that LGI3 may be involved in cytokine network in cancers. AIM:This study ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S138912
更新日期:2017-05-24 00:00:00
abstract::Background: Seminoma accounts for the most part of cases of testicular germ cell tumor, which is the most common malignancy among males between ages 15 and 44 years. Understanding the molecular mechanism of tumorigenesis is important for better clinical diagnosis and treatment. Purpose: We performed bioinformatics ana...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S199115
更新日期:2019-05-14 00:00:00
abstract::Cutaneous metastasis from primary visceral malignancy is a relatively uncommon clinical entity, with a reported incidence ranging from 0.22% to 12% of all malignancies. Here we report a 64-year-old asymptomatic female patient with Peutz-Jeghers syndrome presenting with multiple scalp metastases as the initial manifest...
journal_title:OncoTargets and therapy
pub_type:
doi:10.2147/OTT.S174577
更新日期:2018-09-21 00:00:00
abstract::Esophageal carcinoma (EC) is a lethal disease with high morbidity and mortality worldwide, and the incidence has been increasing in recent years. Although the diagnosis and treatment of EC have improved considerably, EC has rapidly progressed in the clinical setting and has a poor prognosis for its metastasis and recu...
journal_title:OncoTargets and therapy
pub_type: 杂志文章,评审
doi:10.2147/OTT.S103179
更新日期:2016-04-19 00:00:00
abstract:BACKGROUND:Vascular endothelial growth factor (VEGF) is a key mediator that plays an important role in angiogenesis, tumor growth, and tumor metastasis. The associations between five polymorphisms of VEGF (rs3025039, rs699947, rs10434, rs1570360, and rs2010963) and renal cell carcinoma (RCC) risk have been extensively ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S125965
更新日期:2017-03-21 00:00:00
abstract:Background:Several EGFR-tyrosine kinase inhibitors (TKIs), such as gefitinib (Gef), have been used as effective clinical therapies for patients with non-small cell lung cancer (NSCLC). However, due to acquired resistance, the efficacy of Gef treatment is severely blocked. Our preliminary study found that epigallocatech...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S209441
更新日期:2019-07-26 00:00:00
abstract:Purpose:B7 homologue 6 (B7-H6) has been found at an up-regulated level in multiple cancer cells and identified to be positively correlated with inferior clinical features. In non-Hodgkin lymphoma (NHL), however, the roles of B7-H6 and the underlying mechanism of action remain unclear. Through in vivo and in vitro exper...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S257512
更新日期:2020-06-18 00:00:00
abstract::The epidermal growth-factor receptor (EGFR) is overexpressed in the majority of epithelial ovarian cancers and promotes cell proliferation, migration and invasion, and angiogenesis, as well as resistance to apoptosis. This makes EGFR an attractive therapeutic target in this disease. A number of strategies to block EGF...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S30373
更新日期:2013-04-18 00:00:00
abstract:Background:Abnormal miR-27a-3p expression has been frequently reported in several types of human cancer and contributes to tumor progression. However, the role and potential molecular mechanism of miR-27a-3p in the progression of pancreatic carcinoma have not been clarified. Materials and methods:The expression of miR...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S220621
更新日期:2019-12-19 00:00:00
abstract:Background:The non-receptor tyrosine kinase Fyn-related kinase (FRK) has been reported to affect cell proliferation in several cancer types. However, its effect on the proliferation of clear cell renal cell carcinoma (ccRCC) remains largely unknown. Purpose:The objective of this study was to investigate the expression...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S199238
更新日期:2019-04-10 00:00:00
abstract:Purpose:Intraoperative identification of rectal cancer (RC) can be challenging, especially because of fibrosis after treatment with preoperative chemo- and radiotherapy (CRT). Tumor-targeted fluorescence imaging can enhance the contrast between tumor and normal tissue during surgery. Promising targets for RC imaging ar...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S145473
更新日期:2018-03-23 00:00:00
abstract:BACKGROUND:The prognostic and predictive significance of the high-level microsatellite instability (MSI-H) phenotype in various malignancies is unclear. We describe the characteristics, clinical course, and outcomes of patients with MSI-H malignancies treated in a real-life hospital setting. PATIENTS AND METHODS:A ret...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S126905
更新日期:2017-03-29 00:00:00
abstract:Background:Gastric tumor (GT) is associated with high morbidity and mortality, with surgery among the most effective treatment methods. Accurate interoperative determination of the tumor margin is crucial. Methods:In this study, using internal extractive electrospray ionization-MS, mass spectral data of GT and gastric...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S221589
更新日期:2019-10-17 00:00:00
abstract:OBJECTIVE:High-mobility group protein 2 (HMGA2) and epithelial-mesenchymal transition (EMT)-associated proteins play key roles in cancer progression and metastasis. However, the clinical significance of HMGA2 and its relationship with EMT markers in nasopharyngeal carcinoma (NPC) is unclear. This study aimed to assess ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S74397
更新日期:2015-01-17 00:00:00
abstract::Programmed cell death-1 (PD-1) immune checkpoint inhibitors have exhibited promising efficacy in various types of tumors. Here, we report an unresectable locally advanced gastric cancer (GC) with programmed cell death ligand-1 (PD-L1) positive and microsatellite instability (MSI), which exhibiting an unexpected effica...
journal_title:OncoTargets and therapy
pub_type:
doi:10.2147/OTT.S243298
更新日期:2020-02-26 00:00:00
abstract:Background:PD-1 checkpoint inhibitors have shown a robust tumor response in the treatment of various cancers. Pembrolizumab is an anti-PD-1 checkpoint antibody approved for the treatment of unresectable or metastatic melanoma in more than 40 countries. Although autoimmune pneumonitis is considered a common immune-relat...
journal_title:OncoTargets and therapy
pub_type:
doi:10.2147/OTT.S178246
更新日期:2018-10-24 00:00:00
abstract::Background and aims: HOXD antisense growth-associated long noncoding RNA (HOXD-AS1) was reported to be upregulated in various cancers, such as gastric cancer, hepatocellular carcinoma, colorectal cancer, and glioma. Here, we conducted a meta-analysis and The Cancer Genome Atlas data review to investigate the clinicopa...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S184303
更新日期:2018-11-05 00:00:00
abstract::Gastrointestinal stromal tumor (GIST) is an uncommon mesenchymal tumor, and has been shown to be associated with synchronous or metachronous second malignancies. Rare cases of coincident GIST and non-Hodgkin lymphomas (NHL) have been reported previously. Here, we report two cases of GIST and coincident primary breast ...
journal_title:OncoTargets and therapy
pub_type: 杂志文章
doi:10.2147/OTT.S159843
更新日期:2018-12-10 00:00:00