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https://www.readbyqxmd.com/read/28454435/15-deoxy-%C3%AE-12-14-prostaglandin-j2-inhibits-migration-of-human-thyroid-carcinoma-cells-by-disrupting-focal-adhesion-complex-and-adherens-junction
#1
Ya-Chieh Wu, Yun-Ting Jhao, Yu-Chen Cheng, Ying Chen
Metastasis is frequently observed in human follicular thyroid carcinoma. The present study investigated the peroxisome proliferator-activated receptor γ agonist, 15-deoxy-Δ(12,14)-prostaglandin J(2) (15d-PGJ2), and its effect on the migration of CGTH W-2 human thyroid carcinoma cells. 15d-PGJ2 decreased the survival rate of CGTH W-2 cells in a dose-dependent manner. The Transwell migration assay demonstrated that 15d-PGJ2 reduced the migration rate of CGTH W-2 cells by 35% following treatment with 30 µM 15d-PGJ2 compared with control cells...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454396/treatment-with-the-herbal-formula-songyou-yin-inhibits-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma-through-downregulation-of-tgf-%C3%AE-1-expression-and-inhibition-of-the-smad2-3-signaling-pathway
#2
Susu Zheng, Qingan Jia, Hujia Shen, Xin Xu, Jiajia Ling, Chuyu Jing, Boheng Zhang
It was previously reported that treatment with the herbal formula Songyou Yin (SYY) may serve a role in attenuating epithelial-mesenchymal transition (EMT). In the present study, the effect of treatment with SYY on transforming growth factor-β1 (TGF-β1)-induced EMT was investigated and the potential underlying molecular mechanisms were evaluated. MHCC97H cells were pretreated with SYY for 4 weeks and subsequently named MHCC97HSYY cells. Simultaneously, MHCC97H cells were cultured for 4 weeks without SYY and used as a negative control...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454392/klf7-overexpression-in-human-oral-squamous-cell-carcinoma-promotes-migration-and-epithelial-mesenchymal-transition
#3
Xiaojun Ding, Xinhao Wang, Yiming Gong, Hong Ruan, Yang Sun, Youcheng Yu
Krüppel-like factor 7 (KLF7) is a member of the KLF family of zinc finger transcription factors, and was the first KLF cloned using complementary DNA and polymerase chain reaction (PCR) techniques with human vascular endothelial cells as a template. In addition, KLF7 is known as the ubiquitous Krüppel-like factor, as it is widely expressed in numerous human tissues at low levels. In the present study, the function of KLF7 in migration and epithelial-mesenchymal transition (EMT), which are associated with tumor progression, was investigated in human oral squamous cell carcinoma (OSCC) cells...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454322/accumulation-of-low-dose-bix01294-promotes-metastatic-potential-of-u251-glioblastoma-cells
#4
Min Young Kim, Shin-Ji Park, Jae Woong Shim, Yu Jin Song, Kwangmo Yang, Seong-Joon Park, Kyu Heo
BIX01294 (Bix) is known to be a euchromatic histone-lysine N-methyltransferase 2 inhibitor and treatment with Bix suppresses cancer cell survival and proliferation. In the present study, it was observed that sequential treatment with low-dose Bix notably increases glioblastoma cell migration and metastasis. It was demonstrated that U251 cells sequentially treated with low-dose Bix exhibited induced characteristic changes in critical epithelial-mesenchymal transition (EMT) markers, including E-cadherin, N-cadherin, β-catenin and zinc finger protein SNAI2...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454316/overexpression-of-n-cadherin-and-%C3%AE-catenin-correlates-with-poor-prognosis-in-patients-with-nasopharyngeal-carcinoma
#5
Hong Sun, Mingyu Liu, Xuewen Wu, Chunguang Yang, Yanni Zhang, Zhenhang Xu, Kelei Gao, Fengjun Wang
An increasing amount of evidence demonstrates that epithelial-mesenchymal transition (EMT) is important in tumor invasion and metastases. The cell-cell adhesion molecule N-cadherin and the Wnt/β-catenin cascade protein β-catenin are two biomarkers of EMT. The present study aimed to measure the expression levels of N-cadherin and β-catenin in samples from patients with nasopharyngeal carcinoma (NPC) and evaluate their prognostic significance. N-cadherin and β-catenin mRNA was evaluated using reverse transcription-quantitative polymerase chain reaction in 26 NPC tissue samples and 8 nasopharyngeal epithelium samples...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28441714/long-non-coding-rna-hotair-functions-as-mirna-sponge-to-promote-the-epithelial-to-mesenchymal-transition-in-esophageal-cancer
#6
Feng Xu, Jing Zhang
BACKGROUND: Accumulating evidence indicates dysregulated expression of the long non-coding RNA HOTAIR (lncRNA-HOTAIR) may play a significant role in tumor progression. LncRNA-HOTAIR promotes several processes in esophageal cancer (EC), including cell growth, differentiation, invasion and migration. However, the mechanisms by which lncRNA-HOTAIR promotes invasion and migration EC remain unclear. METHODS: LncRNA-HOTAIR and miR-148a expression were quantified in 40 paired human EC and tumor-adjacent tissues and EC cell lines by quantitative real-time PCR (qRT-PCR)...
April 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28440402/erk5-regulates-tobacco-smoke%C3%A2-induced-urocystic-epithelial%C3%A2-mesenchymal-transition-in-balb-c-mice
#7
Jie Min, Hao Geng, Zhiqi Liu, Zhaofeng Liang, Zhiqiang Zhang, Dongdong Xie, Yi Wang, Tao Zhang, Dexin Yu, Caiyun Zhong
Tobacco smoke (TS) is an important risk factor of bladder cancer. Epithelial‑mesenchymal transition (EMT) is involved in the initiation and development of cancer. The role of extracellular signal‑regulated kinase (ERK) 5 in regulating TS‑induced EMT remains to be elucidated. The aim of the present study was to investigate the regulatory role of ERK5 in TS‑triggered EMT in the bladder of mice. BALB/c mice were used for an in vivo TS exposure model. Mice were treated for 6 h a day for 12 weeks. The results demonstrated that mice exposed to TS had decreased mRNA and protein expression levels of the epithelial markers E‑cadherin and zonula occludens‑1, whereas expression levels of the mesenchymal markers Vimentin and N‑cadherin were increased...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439067/perfluorooctanesulfonate-pfos-induced-sertoli-cell-injury-through-a-disruption-of-f-actin-and-microtubule-organization-is-mediated-by-akt1-2
#8
Ying Gao, Haiqi Chen, Xiang Xiao, Wing-Yee Lui, Will M Lee, Dolores D Mruk, C Yan Cheng
PFOS (perfluorooctanesulfonate, or perfluorooctane sulfonic acid) is an anthropogenic fluorosurfactant widely used in consumer products. While its use in Europe, Canada and the U.S. has been banned due to its human toxicity, it continues to be used in China and other developing countries as a global pollutant. Herein, using an in vitro model of Sertoli cell blood-testis barrier (BTB), PFOS was found to induce Sertoli cell injury by perturbing actin cytoskeleton through changes in the spatial expression of actin regulatory proteins...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28435999/neonatal-propofol-anesthesia-changes-expression-of-synaptic-plasticity-proteins-and-increases-stereotypic-and-anxyolitic-behavior-in-adult-rats
#9
Desanka Milanovic, Vesna Pesic, Natasa Loncarevic-Vasiljkovic, Vladimir Avramovic, Vesna Tesic, Vesna Jevtovic-Todorovic, Selma Kanazir, Sabera Ruzdijic
Propofol is a general anesthetic commonly used in pediatric clinical practices. Experimental findings demonstrate that anesthetics induce widespread apoptosis and cognitive decline in a developing brain. Although anesthesia-mediated neurotoxicity is the most prominent during intense period of synaptogenesis, the effects of an early anesthesia exposure on the synapses are not well understood. The aim of this study was to examine the effects of neonatal propofol anesthesia on the expression of key proteins that participate in synaptogenesis and synaptic plasticity and to evaluate long-term neurobehavioral abnormalities in the mature adult brain...
April 24, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28434939/calreticulin-is-required-for-tgf-%C3%AE-induced-epithelial-to-mesenchymal-transition-during-cardiogenesis-in-mouse-embryonic-stem-cells
#10
Fereshteh Karimzadeh, Michal Opas
Calreticulin, a multifunctional endoplasmic reticulum resident protein, is required for TGF-β-induced epithelial-to-mesenchymal transition (EMT) and subsequent cardiomyogenesis. Using embryoid bodies (EBs) derived from calreticulin-null and wild-type (WT) embryonic stem cells (ESCs), we show that expression of EMT and cardiac differentiation markers is induced during differentiation of WT EBs. This induction is inhibited in the absence of calreticulin and can be mimicked by inhibiting TGF-β signaling in WT cells...
April 13, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28433788/regulation-of-human-nucleus-pulposus-cells-by-peptide-coupled-substrates
#11
Devin T Bridgen, Bailey V Fearing, Liufang Jing, Johannah Sanchez-Adams, Megan C Cohan, Farshid Guilak, Jun Chen, Lori A Setton
Nucleus pulposus (NP) cells are derived from the notochord and differ from neighboring cells of the intervertebral disc in phenotypic marker expression and morphology. Adult human NP cells lose this phenotype and morphology with age in a pattern that contributes to progressive disc degeneration and pathology. Select laminin-mimetic peptide ligands and substrate stiffnesses were examined for their ability to regulate human NP cell phenotype and biosynthesis through the expression of NP-specific markers aggrecan, N-cadherin, collagen types I and II, and GLUT1...
April 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28433181/effects-of-scutellaria-barbata-polysaccharide-on-the-proliferation-apoptosis-and-emt-of-human-colon-cancer-ht29-cells
#12
Pengda Sun, Dong Sun, Xudong Wang
A water-soluble polysaccharide SPS2p was isolated from the whole grass of Scutellaria barbata and SPS2p contained 53.6% carbohydrates, 38.5% uronic acid and 8.2% proteins. The molecular weight of SPS2p showed only one molecular weight distribution (2.6×10(4)Da) and the monosaccharide composition of SPS2p showed the presence of arabinose, mannose, glucose and galactose at the ratio of 1.31:1.00:3.59:1.59. The results showed that SPS2p could improve the proliferation inhibition rate; SPS2p could also elevate apoptosis rate, apoptosis index and the levels of Bax and Bak, but lower levels of Bcl-2 and FN; SPS2p could up-regulate the expression of E-cadherin mRNA, and down-regulate the expressions of N-cadherin and vimentin mRNA, and the ratio of p-AKT/AKT in HT29 cells...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432956/introduction-of-n-cadherin-binding-motif-to-alginate-hydrogels-for-controlled-stem-cell-differentiation
#13
Jae Won Lee, Hyoseok An, Kuen Yong Lee
Control of stem cell fate and phenotype using biomimetic synthetic extracellular matrices (ECMs) is an important tissue engineering approach. Many studies have focused on improving cell-matrix interactions. However, proper control of cell-cell interactions using synthetic ECMs could be critical for tissue engineering, especially with undifferentiated stem cells. In this study, alginate hydrogels were modified with a peptide derived from the low-density lipoprotein receptor-related protein 5 (LRP5), which is known to bind to N-cadherin, as a cell-cell interaction motif...
April 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28431572/hepatitis-c-virus-ns4b-protein-induces-epithelial-mesenchymal-transition-by-upregulation-of-snail
#14
Bicheng Hu, Shenggao Xie, Yuqian Hu, Wen Chen, Xiaofan Chen, Yi Zheng, Xinxing Wu
BACKGROUND: Chronic hepatitis C virus (HCV) infection is an important cause of hepatocellular carcinoma (HCC). Epithelial to mesenchymal transition (EMT) is a key process associated with tumor metastasis and poor prognosis. HCV infection, HCV core and NS5A protein could induce EMT process, but the role of NS4B on EMT remains poorly understood. METHODS: We overexpressed HCV NS4B protein in HepG2 cells or Huh7.5.1 cells infected by HCVcc, the E-cadherin expression, N-cadherin expression and the EMT-associated transcriptional factor Snail were determined...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28425477/microrna-27a-3p-modulates-the-wnt-%C3%AE-catenin-signaling-pathway-to-promote-epithelial-mesenchymal-transition-in-oral-squamous-carcinoma-stem-cells-by-targeting-sfrp1
#15
Bin Qiao, Bao-Xia He, Jing-Hua Cai, Qian Tao, Alfred King-Yin Lam
This study aimed to elucidate how microRNA27a-3p (miR-27a-3p) modulates the Wnt/β-catenin signaling pathway to promote the epithelial-mesenchymal transition (EMT) in oral squamous carcinoma stem cells (OSCSCs) by targeting secreted frizzled-related protein 1 (SFRP1). Flow cytometry was used to sort OSCSCs from the SCC-9 and Tca8113 cell lines. The OSCSCs were randomly assigned into the miR-27a-3p inhibitors group, the miR-27a-3p inhibitors-NC group, the si-SFRP1 group, the si-SFRP1 + miR-27a-3p inhibitors group and the blank group...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28418888/significance-of-pi3k-akt-signaling-pathway-in-metastasis-of-esophageal-squamous-cell-carcinoma-and-its-potential-as-a-target-for-anti-metastasis-therapy
#16
Bin Li, Wen Wen Xu, Alfred King Y Lam, Yang Wang, Hui-Fang Hu, Xin Yuan Guan, Yan Ru Qin, Nassim Saremi, Sai Wah Tsao, Qing-Yu He, Annie L M Cheung
Metastasis is the most lethal hallmark of esophageal squamous cell carcinoma (ESCC). The aim of the study is to identify key signaling pathways that control metastasis in ESCC. Highly invasive ESCC sublines (designated I3 cells) were established through three rounds of selection of cancer cells invading through matrigel-coated chambers. Gene expression profile of one of the I3 sublines was compared with that of its parental cell line using cDNA microarray analysis. Gene ontology and pathway analyses of the differentially expressed genes (both upregulated and downregulated) indicated that genes associated with cellular movement and the AKT pathway were associated with increased cancer cell invasiveness...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418194/accelerated-tumor-metastasis-due-to-ifn%C3%AE-receptor-mediated-dissociation-of-perivascular-cells-from-blood-vessels
#17
Chen Ni, Pan Ma, Liwei Qu, Fan Wu, Junfeng Hao, Ruirui Wang, Yu Lu, Wei Yang, Ulrike Erben, Zhihai Qin
Angiostasis mediated by IFNγ is a key mechanism of anti-tumor immunity; however, the effect of IFNγ on host VEGFA-expressing cells during tumor progression is still elusive. Here, we developed transgenic mice with IFNγ receptor (IFNγR) expression under control of the Vegfa promoter (V-γR). In these mice, the IFNγ responsiveness of VEGFA -expressing cells led to a dramatic growth suppression of transplanted lung carcinoma cells. Surprisingly, increased mortality and tumor metastasis were observed in the tumor-bearing V-γR mice, in comparison to the control wild type and IFNγR-deficient mice...
April 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28413487/vandetanib-and-adam-inhibitors-synergistically-attenuate-the-pathological-migration-of-ebv-infected-retinal-pigment-epithelial-cells-by-regulating-the-vegf-mediated-mapk-pathway
#18
Daejin Kim, Hyun-Suk Ko, Ga Bin Park, Dae Young Hur, Yeong Seok Kim, Jae Wook Yang
The extracellular signals induced by vascular endothelial growth factor (VEGF) are implicated in choroidal neovascularization (CNV) and thus, are associated with vision-limiting complications in the human retina. Vandetanib is an oral anticancer drug that selectively inhibits the activities of VEGF receptor and epidermal growth factor receptor tyrosine kinase; however, the effects of vandetanib on VEGF in retinal pigment epithelial (RPE) cells have not yet been studied. In the present study, a combined treatment of vandetanib and a disintegrin and metalloproteinase (ADAM) protein inhibitors were used to assess the regulation of Epstein-Barr virus (EBV)-infected ARPE19 cells (ARPE19/EBV) migration as a model of CNV...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413473/microrna-200c-suppresses-cell-growth-and-metastasis-by-targeting-bmi-1-and-e2f3-in-renal-cancer-cells
#19
Mingning Qiu, Ziji Liang, Lieqian Chen, Guobin Tan, Lei Liu, Kangning Wang, Hege Chen, Jianjun Liu
The aim of the present study was to evaluate the functions of miR-200c in the regulation of tumor growth and metastasis in renal cancer cells, and to investigate the underlying mechanisms. In this study, miR-200c was up- and downregulated in two renal cancer cell lines, namely ACHN and A498, and the proliferation, colony formation, migration and invasion of the cells were measured. The expression levels of various mRNAs and proteins were then analyzed using reverse transcription-quantitative polymerase chain reaction and western blotting, respectively...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410212/hypoxia-induced-plod2-promotes-proliferation-migration-and-invasion-via-pi3k-akt-signaling-in-glioma
#20
Ye Song, Shihao Zheng, Jizhou Wang, Hao Long, Luxiong Fang, Gang Wang, Zhiyong Li, Tianshi Que, Yi Liu, Yilei Li, Xi'an Zhang, Weiyi Fang, Songtao Qi
Gliomas are the most common form of malignant primary brain tumors with poor 5-year survival rate. Dysregulation of procollagen-lysine, 2-oxoglutarate 5-dioxygenase 2 (PLOD2) was observed in gliomas, but the specific role and molecular mechanism of PLOD2 in glioma have not been reported yet. In this study, PLOD2 was found to be frequently up-regulated in glioma and could serve as an independent prognostic marker to identify patients with poor clinical outcome. Knockdown of PLOD2 inhibited proliferation, migration and invasion of glioma cells in vitro and in vivo...
March 30, 2017: Oncotarget
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