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PubMed Journals Articles About "EGFR PI3K PDK1 Pathway Regulates Signaling Hepatocellular Carcinoma" RSS

15:02 EST 13th December 2018 | BioPortfolio

EGFR PI3K PDK1 Pathway Regulates Signaling Hepatocellular Carcinoma PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest EGFR PI3K PDK1 Pathway Regulates Signaling Hepatocellular Carcinoma articles that have been published worldwide.

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Showing "EGFR PI3K PDK1 pathway regulates signaling hepatocellular carcinoma" PubMed Articles 1–25 of 16,000+

Low expression of PDK1 inhibits renal cell carcinoma cell proliferation, migration, invasion and epithelial mesenchymal transition through inhibition of the PI3K-PDK1-Akt pathway.

As the most commonly occurring form of primary renal tumor, renal cell carcinoma (RCC) is a malignancy accompanied by a high mortality rate. 3-phosphoinositide-dependent protein kinase 1 (PDK1) has been established as a protein target and generated considerable interest in both the pharmaceutical and academia industry. The aim of the current study was to investigate the effect of si-PDK1 on the RCC cell apoptosis, proliferation, migration, invasion and epithelial mesenchymal transition (EMT) in connection w...


MicroRNA‑145 inhibits migration and induces apoptosis in human non‑small cell lung cancer cells through regulation of the EGFR/PI3K/AKT signaling pathway.

In the present study, the therapeutic effects and the underlying molecular mechanisms of microRNA (miR)‑145 were investigated in non‑small cell lung cancer (NSCLC) cells. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was performed to examine miR‑145 expression. An MTT assay and flow cytometry were used to investigate cell proliferation and apoptosis, respectively. The protein expression of Bax, epidermal growth factor receptor (EGFR), phosphatidylinositol 3‑kinase (PI3K...

PDK1 governs thromboxane generation and thrombosis in platelets by regulating activation of Raf1 in the MAPK pathway: Reply.

We appreciate the letter from Dr. Pravin Patel and colleagues[1] regarding our recent studies to determine how phosphoinositide 3-kinase (PDK1) regulates thromboxane generation[2], a mechanism that had not previously been known. We also examined the downstream signaling cascades, reporting that PDK1-regulated thromboxane generation is controlled through the Raf1-ERK1/2 pathway. This article is protected by copyright. All rights reserved.


Down-regulation of LncRNA NR027113 inhibits cell proliferation and metastasis via PTEN/PI3K/AKT signaling pathway in hepatocellular carcinoma.

Hepatocellular Carcinoma (HCC) is a worldwide common and malignant tumor. It is discovered in recent years that long non-coding RNAs (lncRNAs) participate in many biological processes of HCC. However, their specific role in HCC has not been entirely clarified yet. In this research, we aimed to explore biological functions, clinical significance and the underlying molecular mechanisms of lncRNA NR027113 in HCC.

MicroRNA-218-5p inhibit the migration and proliferation of pterygium epithelial cells by targeting EGFR via PI3K/Akt/mTOR signaling pathway.

Pterygium is a common ocular surface disease which could result in various ocular surface symptoms. MicroRNAs play an important role in the development of various eye diseases. However, the role of microRNAs in the pathogenesis of pterygium is rarely reported. Our research aims to analyze the relationship between miR-218-5p and Epidermal Growth Factor Receptor (EGFR) in human pterygium tissues and cultured Human Pterygium Epithelial Cells (hPECs). Furthermore, the EGFR/PI3K/Akt/mTOR signaling pathway was fi...

Inhibition of the PI3K/Akt signaling pathway reverses sorafenib-derived chemo-resistance in hepatocellular carcinoma.

Long-term sorafenib treatment triggers resistance to chemotherapy in patients with hepatocellular carcinoma (HCC). In order to investigate the mechanisms of sorafenib resistance in HCC, the aim of the present study was to develop a resistant human liver cell line via long-term exposure to sorafenib. The cytotoxicity cell counting kit-8 assay was used to evaluate drug sensitivity. Reverse transcription-quantitative polymerase chain reaction and western blotting were used to examine the molecular mechanisms u...

Impacts of WNT1-inducible signaling pathway protein 1 polymorphism on hepatocellular carcinoma development.

WNT1-inducible signaling pathway protein 1 (WISP1) is a member of CCN protein family and a downstream target of β-catenin. Aberrant WISP1 expression is associated with carcinogenesis. In the current study, we focused on examining WISP1 single nucleotide polymorphisms (SNPs) to elucidate hepatocellular carcinoma (HCC) clinicopathologic characteristics.

Genetic analysis and phosphoinositide 3-kinase/protein kinase B signaling pathway status in ovarian endometrioid borderline tumor samples.

Ovarian endometrioid borderline tumors (EBTs) are extremely rare, and are thought to be precursors of endometrioid carcinoma, beginning as adenofibroma or endometriosis and progressing in a slow, stepwise manner. In endometrioid carcinomas, a high frequency of activating mutations in phosphatase and tensin homolog (), β-catenin or AT-rich interaction domain 1A () genes, and the activation of the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) signaling pathway have been observed. However, the frequ...

Stereoisomeric guaiacylglycerol-β-coniferyl aldehyde ether induces distinctive apoptosis by downregulation of MEK/ERK pathway in hepatocellular carcinoma cells.

Two 8-O-4'-type neolignan epimers erythro-guaiacylglycerol-β-coniferyl aldehyde ether (1) and threo-guaiacylglycerol-β-coniferyl aldehyde ether (2) were isolated from the stems of Picrasma quassioides. Further chiral separation gave two pairs of enantiomers 1a/1b and 2a/2b. The cytotoxicity assay against hepatocellular carcinoma Hep3B and HepG2 cells was evaluated by MTT assay. The results showed that 1b (IC = 45.56 μM) and 2b (IC = 39.02 μM) had more cytotoxic effect than its enantiomers 1a...

CD31 regulates metastasis by inducing epithelial-mesenchymal transition in hepatocellular carcinoma via the ITGB1-FAK-Akt signaling pathway.

Platelet endothelial cell adhesion molecule-1 (PECAM-1 or CD31) is a well-known marker of endothelial cells and a key factor for adhesion and accumulation of platelets. CD31 plays roles in cell proliferation, apoptosis, migration, and cellular immunity. CD31 is also expressed on tumor cells, such as breast cancer cells and non-Hodgkin's lymphomas, and contributes to tumor cell invasion. Here, our experiments show that CD31 promotes metastasis by inducing the epithelial-mesenchymal transition in hepatocellul...

Frequent PTEN loss and differential HER2/PI3K signaling pathway alterations in salivary duct carcinoma: Implications for targeted therapy.

Patients with advanced primary and recurrent salivary duct carcinoma (SDC), a rare and lethal malignancy, have limited therapeutic options. Novel small-molecule agents aimed at targeting critical signaling associated with SDC tumorigenesis may lead to new therapeutic options for patients with these tumors. The human epidermal growth factor receptor 2 (HER2)/phosphoinositide 3-kinase (PI3K) axis, an important oncogenic pathway, has been targeted for therapy in several solid tumors. Currently, little is known...

Downregulation of YAP inhibits proliferation, invasion and increases cisplatin sensitivity in human hepatocellular carcinoma cells.

Yes-associated protein (YAP) serves an essential role in tumorigenesis. However, the potential role and the molecular mechanism underlying the effect of YAP on hepatocellular carcinoma (HCC) cells have not been elucidated. In the current study, it was revealed that YAP expression was increased significantly in HCC cancer tissues and its overexpression was associated with tumor differentiation. The silencing of YAP by small interferring RNA led to the inhibition of HCC cell growth, which was associated with ...

PI3Kδ is a new therapeutic target in hepatocellular carcinoma.

Class I phosphoinositide 3-kinase (PI3K) signaling is a major pathway in human cancer development and progression. Amongst the four PI3K isoforms, PI3Kα and PI3Kβ are ubiquitously expressed while PI3Kγ and PI3Kδ are mainly found in leukocytes. Until now, PI3K targeting in solid tumors has focused on inhibiting PI3Kα- and PI3Kβ-mediated cancer-cell-intrinsic PI3K activity. The role of PI3Kδ in solid tumors is unknown. Here, we evaluated the effects of PI3Kδ using established hepatocellular carcinoma ...

MicroRNA-760 Inhibits Doxorubicin Resistance in Hepatocellular Carcinoma through Regulating Notch1/Hes1-PTEN/Akt Signaling Pathway.

Accumulating studies have suggested that microRNA-760 (miR-760) plays an important role in chemoresistance of various cancer cells. However, whether miR-760 regulates the chemoresistance of hepatocellular carcinoma (HCC) remains unclear. In this study, we found that miR-760 was decreased in HCC cell lines, and doxorubicin (Dox) treatment significantly decreased miR-760 expression in HCC cells. Overexpression of miR-760 sensitized HCC cells to Dox-induced cytotoxicity and apoptosis, whereas miR-760 inhibitio...

BORIS Regulates SOCS3 Expression Through Epigenetic Mechanisms in Human Hepatocellular Carcinoma Cells.

To study the regulation of suppressor of cytokine signaling 3 (SOCS3) expression bythe brother of the regulator of the imprinted site (BORIS) in hepatocellular carcinoma cell.

CLCA4 inhibits cell proliferation and invasion of hepatocellular carcinoma by suppressing epithelial-mesenchymal transition via PI3K/AKT signaling.

Calcium activated Chloride Channel A4 (CLCA4), as a tumor suppressor, was reported to contribute to the progression of several malignant tumors, yet little is known about the significance of CLCA4 in invasion and prognosis of hepatocellular carcinoma (HCC). CLCA4 expression was negatively correlated with tumor size, vascular invasion and TNM stage. Kaplan-Meier analysis showed that CLCA4 was an independent predictor for overall survival (OS) and time to recurrence (TTR). In addition, CLCA4 status could act ...

MicroRNA-197 Promotes Metastasis of Hepatocellular Carcinoma by Activating Wnt/β-Catenin Signaling.

MicroRNA-197 (miR-197) has been shown to play roles in epithelialmesenchymal transition (EMT) and metastasis. The Wnt/β-catenin pathway is associated with EMT, but whether miR-197 regulatesWnt/β-catenin remains unclear. This study was to demonstrate the role of miR-197 on the Wnt/β-catenin pathway in hepatocellular carcinoma (HCC).

PDK1 regulates definitive HSCs via the FOXO pathway during murine fetal liver hematopoiesis.

PDK1 (phosphoinositide dependent kinase-1) plays an important regulatory role in B cells, T cells and platelets. Less is known about how PDK1 acts in hematopoietic stem cells (HSCs), especially in the fetal liver (FL) during embryonic hematopoiesis, as the FL is the primary fetal hematopoietic organ and the main site of HSC expansion and differentiation. Here, we deleted the PDK1 gene in hematopoietic cells by crossing Vav-Cre transgenic mice with PDK1 mice. Using a transplantation assay, we found that HSCs...

USP10 suppresses tumor progression by inhibiting mTOR activation in hepatocellular carcinoma.

Dysregulation of deubiquitination pathway is associated with poor prognosis in cancers such as hepatocellular carcinoma (HCC). The mammalian target of rapamycin, mTOR, has become an attractive cancer therapeutic target in HCC. However, whether and how aberrant expression of deubiquitination pathway regulates mTOR pathway has remained elusive. Here we report that ubiquitin-specific protease 10 (USP10) functions as a tumor suppressor which inhibits mTOR pathway by stabilizing PTEN and AMPKα in HCC cells. Mec...

SOX11 regulates apoptosis and cell cycle in hepatocellular carcinoma via Wnt/β-catenin signaling pathway.

Hepatocellular carcinoma (HCC) is the most common type of liver cancer with high mortality. Identifying key molecules involved in the regulation of HCC development is of great clinical significance. SOX11 is a transcription factor belonging to group C of Sry-related HMG box family whose abnormal expression is frequently seen in many kinds of human cancers. Here, we reported that the expression of SOX11 was decreased in human HCC tumors than that in matched normal tissues. Overexpression of SOX11 promoted gr...

Amphiregulin potentiates airway inflammation and mucus hypersecretion induced by urban particulate matter via the EGFR-PI3Kα-AKT/ERK pathway.

Ambient particulate matter (PM) promotes the development and exacerbation of chronic respiratory diseases, including chronic obstructive pulmonary disease (COPD) and asthma, by increasing inflammation and mucus hypersecretion. However, the biological mechanisms underlying PM-induced airway inflammation and mucus hypersecretion remain unclear. Amphiregulin (AREG) is an important ligand for epidermal growth factor receptor (EGFR) and participates in the regulation of several biological functions. Here, the PM...

Anticancer effects of echinacoside in hepatocellular carcinoma mouse model and HepG2 cells.

Echinacoside (ECH) is a phenylethanoid glycoside extracted from a Chinese herbal medicine, Cistanches salsa. ECH possesses many biological properties, including anti-inflammation, neural protection, liver protection, and antitumor. In the current study, we aimed to explore the effects of ECH on hepatocellular carcinoma (HCC) and the underlying mechanisms. The results showed that ECH could attenuate diethylnitrosamine (DEN)-induced HCC in mice, and exerted antiproliferative and proapoptotic functions on Hep...

PI3K/AKT inhibition induces compensatory activation of the MET/STAT3 pathway in non-small cell lung cancer.

Constitutive activation of the phosphoinositide 3-kinase (PI3K)/AKT signaling pathway is evident in a diverse array of human cancer types, and targeting the pathway is an attractive therapeutic approach. However, pre-clinical and clinical studies have demonstrated that the antitumor efficacy of a number of inhibitors of the PI3K/AKT pathway is poor, and the underlying mechanisms are not completely clear. In the present study, activation of MET proto-oncogene (MET)/signal transducer and activator of transcri...

Butein Inhibited In Vitro Hexokinase-2-Mediated Tumor Glycolysis in Hepatocellular Carcinoma by Blocking Epidermal Growth Factor Receptor (EGFR).

BACKGROUND Anaerobic glycolysis is an important physiological process of all cancer cells. Butein has been reported to demonstrate substantial antitumor activities in various cancers. However, the effect of butein on tumor glycolysis remains unclear. In this study, the effect of butein on tumor glycolysis and the underlying mechanism were investigated in hepatocellular carcinoma (HCC). MATERIAL AND METHODS Cell proliferation assay and anchorage-independent growth assay were carried out to evaluate the antit...

EGFR confers radioresistance in human oropharyngeal carcinoma by activating endoplasmic reticulum stress signaling PERK-eIF2α-GRP94 and IRE1α-XBP1-GRP78.

The activation of epidermal growth factor receptor (EGFR) is associated with radioresistance in malignant tumors. Specifically, radiation can destroy endoplasmic reticulum (ER) homeostasis to induce ER stress (ERS). However, the effect of EGFR-mediated regulation of ERS signaling pathway on radiosensitivity has not yet been reported. The present study showed that silencing EGFR increased radiosensitivity of both radiosensitive and radioresistant oropharyngeal squamous cell carcinoma (OSCC) cells by inhibiti...


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