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https://www.readbyqxmd.com/read/29241073/resveratrol-inhibits-proliferation-migration-and-invasion-via-akt-and-erk1-2-signaling-pathways-in-renal-cell-carcinoma-cells
#1
Yuwan Zhao, Huancheng Tang, Xin Zeng, Dongcai Ye, Jianjun Liu
Recent studies have shown that resveratrol (RES) inhibits cancer cell growth, migration and invasion. Here, we evaluated RES in two human renal cell carcinoma (RCC) cell lines, ACHN and A498. We investigated the effects of RES on proliferation, cell morphology, colony formation, migration, and invasion. We used a proliferation assay to demonstrate that RES inhibited cell growth with IC50 values 132.9±1.064μM in ACHN, and 112.8±1.191μM in A498, respectively. Using inverted contrast microscopy, we showed that RES reduced cell-to-cell contact and inhibited formation of filopodia...
December 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29240250/microrna-139-5p-inhibits-epithelial-mesenchymal-transition-and-fibrosis-in-post-menopausal-women-with-interstitial-cystitis-by-targeting-lpar4-via-the-pi3k-akt-signaling-pathway
#2
Chen Jiang, Zhen Tong, Wei-Lin Fang, Qi-Bo Fu, Yin-Jun Gu, Ting-Ting Lv, Dong-Ming Liu, Wei Xue, Jian-Wei Lv
The study explores whether miR-139-5p targeting LPAR4 affects epithelial-mesenchymal transition (EMT) and fibrosis in post-menopausal women with interstitial cystitis (IC) via the PI3K/Akt signaling pathway. Bladder tissues of IC and normal bladder tissues were collected. The pathology of bladder tissues was observed by HE, Masson and Picrosirius red staining. LPAR4 positive expression rate were determined by IHC. ELISA was performed to detect the levels of IL-6, IL-8, IL-10 and TNF-α. Rat IC models were randomized into seven different groups...
December 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29239144/smg-1-inhibition-by-mir-192-215-causes-epithelial-mesenchymal-transition-in-gastric-carcinogenesis-via-activation-of-wnt-signaling
#3
Xiaojing Zhang, Yin Peng, Yong Huang, Mengting Yang, Ruibin Yan, Yanqiu Zhao, Yulan Cheng, Xi Liu, Shiqi Deng, Xianling Feng, Huijuan Lin, Huimin Yu, Si Chen, Zhenfu Zhao, Shanni Li, Kuan Li, Liang Wang, Yanjie Wei, Zhendan He, Xinmin Fan, Stephen J Meltzer, Song Li, Zhe Jin
SMG-1,a member of the phosphoinositide kinase-like kinase family, functioned as a tumor suppressor gene. However, the role of SMG-1 in GC remain uncharacterized. In this study, regulation of SMG-1 by miR-192 and-215, along with the biological effects of this modulation, were studied in GC. We used gene microarrays to screening and luciferase reporter assays were to verify the potential targets of miR-192 and-215. Tissue microarrays analyses were applied to measure the levels of SMG-1 in GC tissues. Western blot assays were used to assess the signaling pathway of SMG-1 regulated by miR-192 and-215 in GC...
December 13, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29238079/dorsal-root-ganglion-neurons-regulate-the-transcriptional-and-translational-programs-of-osteoblast-differentiation-in-a-microfluidic-platform
#4
Diana Isabel Silva, Bruno Paiva Dos Santos, Jacques Leng, Hugo Oliveira, Joëlle Amédée
Innervation by the sensory nervous system plays a key role in skeletal development and in orchestration of bone remodeling and regeneration. However, it is unclear how and in which bone cells can sensory nerves act to control these processes. Here, we show a microfluidic coculture system comprising dorsal root ganglion (DRG) neurons and mesenchymal stem cells (MSCs) that more faithfully represents the in vivo scenario of bone sensory innervation. We report that DRG neurons promote the osteogenic differentiation capacity of MSCs, by mediating the increase of alkaline phosphatase activity and the upregulation of osteoblast-specific genes...
December 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29237910/clinical-significance-of-twist-e-cadherin-and-n-cadherin-protein-expression-in-endometrioid-adenocarcinoma
#5
Xinping Xie, Xiu Zheng, Jinhua Wang, Lihong Chen
OBJECTIVE: The aim of the study was to investigate the expression of Twist, E-cadherin, and N-cadherin both in normal endometrium and in endometrioid adenocarcinoma tissues (NET and EAT), and further discuss the relationship between the proteins expression and the clinical parameters. METHODS: Seventy-six EAT and 50 NET were collected from endometrioid adenocarcinoma patients and patients who received hysterectomy. We used immunohistochemistry (two steps methods) to detect the expression of Twist, E-cadherin, and N-cadherin proteins in EAT and NET...
2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29236328/mirnalet-7a-mediates-prostate-cancer-pc-3-cell-invasion-migration-by-inducing-epithelial-mesenchymal-transition-through-ccr7-mapk-pathway
#6
Tang Guanlin, Du Ruoyang, Tang Zhaobing, Kuang Youlin
Prostate cancer is one of the most common malignancies in older men. Recent evidence has demonstrated microRNA (miRNA) Let-7a expression decreased in prostate cancer, while the expression of C-C chemokine receptor type 7 (CCR7) increased. In this study, we investigated whether CCR7 overexpression was associated with a decrease in the expression of miRNA let-7a in invasion and metastasis of prostate cancer cell. Methods Synthetic let-7a mimics and let-7a inhibitors were transfected into prostate cancer PC-3 cells repectively...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236310/insulin-induces-an-emt-like-process-in-mammary-epithelial-cells-mcf10a
#7
Cecilia Rodriguez-Monterrosas, Ricardo Díaz-Aragon, Elizabeth Leal-Orta, Pedro Cortes-Reynosa, Eduardo Perez Salazar
Diabetes mellitus has been related with an increased risk of breast cancer, whereas it has been suggested that links between diabetes mellitus and cancer are hyperinsulinemia, insulin resistance, hyperglycemia and chronic inflammation induced by adipose tissue. Contribution of hyperinsulinemia to carcinogenesis is mediated through resistance to endogenous insulin and by exogenous insulin used in treatment. Epithelial to mesenchymal transition (EMT) is a process by which epithelial cells are transdifferentiated to a mesenchymal state that has been implicated in cancer progression...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29234489/molecular-insights-suppression-of-egfr-and-akt-activation-by-a-small-molecule-in-non-small-cell-lung-cancer
#8
Balaji Chandrasekaran, Ashish Tyagi, Arun K Sharma, Lu Cai, Murali Ankem, Chendil Damodaran
Epidermal growth factor receptor (EGFR) activation events and the mammalian target of rampamycin (mTOR) are considered important therapeutic targets in alleviating cancer conditions. The current treatment paradigm has shifted to personalized treatment strategies with tyrosine kinase inhibitors (TKIs) or anaplastic lymphoma kinase (ALK) inhibitors, due to low survival rates in non-small cell lung cancer (NSCLC) in terms of the prevailing platinum-based therapy. In the present study, we examined the anticancer potential of Verrucarin J (VJ), a small molecule, in NSCLC cell lines (H460 and A549)...
September 2017: Genes & Cancer
https://www.readbyqxmd.com/read/29234153/netrin-1-elicits-metastatic-potential-of-non-small-cell-lung-carcinoma-cell-by-enhancing-cell-invasion-migration-and-vasculogenic-mimicry-via-emt-induction
#9
Xiaofei Zhang, Ping Cui, Beichen Ding, Yuening Guo, Kaiyu Han, Jianing Li, Hong Chen, Wei Zhang
Ectopic expression of netrin-1 has been validated in several cancers including non-small cell lung cancer (NSCLC). Recent research confirms the critical role of netrin-1 in NSCLC growth and its prognostic value. Unfortunately, its contribution in NSCLC metastasis remains elusive. Here, netrin-1 had relatively high expression in NSCLC tissues and cells, especially in high metastatic groups. Notably, netrin-1 overexpression aggravated the malignant metastatic behavior of NSCLC cells, including cell invasion, migration, and vasculogenic mimicry (VM), whereas netrin-1 depression reversely dampened the metastatic potential...
December 12, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/29233736/fumonisin-b1-induces-oxidative-stress-in-oesophageal-sno-cancer-cells
#10
René B Khan, Alisa Phulukdaree, Anil A Chuturgoon
Fumonisin B1 (FB1) is a ubiquitous contaminant of maize that is epidemiologically linked to oesophageal cancer (OC) in South Africa. FB1-induced oxidative stress mediates toxicity in animals and human cell lines, but the effects relating to OC are limited. Given the species-specific effects of FB1, this study investigated FB1-mediated toxicity and oxidative stress in spindle-shaped N-cadherin (+) CD45 (-) osteoblastic (SNO) cells. Following exposure to FB1 (0-20 μM) for 48 h, mitochondrial membrane potential and intracellular reactive oxygen species (iROS) were measured (flow cytometry)...
December 9, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29232694/hyperbranched-poly-%C3%AF%C2%B5-lysine-substrate-presenting-the-laminin-sequence-yigsr-induces-the-formation-of-spheroids-in-adult-bone-marrow-stem-cells
#11
Valeria Perugini, Steve T Meikle, Anna L Guildford, Matteo Santin
Unlike the fibroblast-like cells formed upon monolayer culture of human mesenchymal stem cells, the natural stem cell niche of the bone marrow and other types of tissues favours the formation of 3-dimensional (3D) cell clusters. The structuring and biological activity of these clusters are regulated by the contacts established by cells with both the basement membrane and neighbour cells and results in their asymmetric division and the consequent maintenance of both a stem population and a committed progeny...
2017: PloS One
https://www.readbyqxmd.com/read/29231798/n-cadherin-knockdown-leads-to-disruption-of-trophoblastic-and-endothelial-cell-interaction-in-a-3d-cell-culture-model-new-insights-in-trophoblast-invasion-failure
#12
A Multhaup, B Huppertz, C Göhner, M Böhringer, M Mai, U Markert, E Schleußner, T Groten
INTRODUCTION: Trophoblast homing to maternal spiral arteries is mandatory for successful placentation. Cell-cell adhesion molecules regulate this process and adhesion molecule expression is altered in impaired placentation. We hypothesize that, similar to immune cell recruitment, trophoblast cell adherence and rolling are primarily mediated by adhesion molecules like, cadherins, immunoglobulins, selectins and their partnering ligands. Here, the interdependence of adhesion molecule expression in trophoblastic cell lines of diverse origin was investigated in relation to their interaction with endothelial cell networks on Matrigel® co-cultures and the effect of specific adhesion molecule knockdown analyzed...
December 12, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/29229950/aneurysm-severity-is-increased-by-combined-mmp-7-deletion-and-n-cadherin-mimetic-ec4-fc-over-expression
#13
Cressida A Lyon, Helen Williams, Rosaria Bianco, Steven J Simmonds, Bethan A Brown, Kerry S Wadey, Frank C T Smith, Jason L Johnson, Sarah J George
There is an unmet need for treatments to reduce abdominal aortic aneurysm (AAA) progression. Vascular smooth muscle cell (VSMC) apoptosis precipitates AAA formation, whereas VSMC proliferation repairs the vessel wall. We previously demonstrated that over-expression of EC4-Fc (truncated N-cadherin), or deletion of matrix-metalloproteinase-7 (Mmp-7) reduced VSMC apoptosis in mouse atherosclerotic plaques. Additionally, MMP-7 promotes VSMC apoptosis by cleavage of N-cadherin. We investigated their combined effect on AAA formation...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29229873/thymoquinone-induces-cytotoxicity-and-reprogramming-of-emt-in-gastric-cancer-cells-by-targeting-pi3k-akt-mtor-pathway
#14
Li-Min Feng, Xue-Feng Wang, Qing-Xian Huang
Gastric cancer is one of the lethal causes of cancer-related deaths worldwide. The incidence and mortality rates of this disease is comparatively higher in China. In the current study, we evaluated the anticancer effects of Thymoquinone (TQ) against gastric cancer cells (MGC80-3 and SGC-7901) and normal noncancerous GES-1 cells and attempted to investigate the underlying mechanism. Our results indicated that TQ exhibited significant growth inhibitory effects on gastric cancer cells (MGC80-3 and SGC-7901). However, lower cytotoxicity was observed against normal GES-1 cells...
December 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/29228592/long-non-coding-rna-linc00959-predicts-colorectal-cancer-patient-prognosis-and-inhibits-tumor-progression
#15
Zhen-Qiang Sun, Chen Chen, Quan-Bo Zhou, Jin-Bo Liu, Shuai-Xi Yang, Zhen Li, Chun-Lin Ou, Xian-Tao Sun, Gui-Xian Wang, Jun-Min Song, Zhi-Yong Zhang, Wei-Tang Yuan
Long non-coding RNAs (lncRNAs) are increasingly implicated in tumorigenesis and cancer progression. This study focused on the relationship between the lncRNA LINC00959 and colorectal cancer (CRC). We found that LINC00959 expression was lower in CRC tissues than normal colorectal mucosae. High LINC00959 expression was negatively associated with TNM stage, distant metastasis, and lymphatic metastasis, and correlated with a better prognosis in 87 CRC cases. In vitro, LINC00959 knockdown enhanced colon cancer cell proliferation, invasion, and migration; upregulated N-cadherin and vimentin; and downregulated E-cadherin and Caspase-3...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29227654/synergistic-chemopreventive-and-therapeutic-effects-of-co-drug-ua-met-implication-in-tumor-metastasis
#16
Guirong Zheng, Zhichun Shen, Aixiao Xu, Kai Jiang, Pengyu Wu, Xiang Yang, Xian Chen, Jingwei Shao
The anticancer properties of ursolic acid (UA) and metformin (Met) have been well demonstrated. However, whether these compounds can act synergistically to prevent and treat cancer is not known. We present in this study, the synergism between UA and Met, and that of a new codrug made of UA and Met (UA-Met) against several cancer cell lines. The combination of high concentration of UA (25, 50, 75, 100 μM) and Met (5, 10, 20, 40 mM) resulted in synergetic cytotoxicity on MDA-MB-231 and MCF-7 cells (CI < 0...
December 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29224276/-expression-and-mechanism-of-twist2-in-glioma
#17
L Z Wang, W J Wang, Y F Xiong, S Xu, S S Wang, Y Tu, Z Y Wang, X L Yan, J H Mei, C L Wang
Objective: To investigate the significance of Twist2 in glioma and whether it is involved in the malignant transformation of glioma by epithelial-mesenchymal transition (EMT). Methods: Using immunohistochemical method detected the expression level of Twist2 in 60 cases of gliomas (including WHO grades Ⅱ, Ⅲ and Ⅳ, each for 20 cases) and 20 cases of non-tumor brain tissues. Real-time fluorescence quantitative PCR and Western blot were used to detect the expression level of Twist2 mRNA and protein in 61 cases of fresh glioma tissue (WHO grade Ⅱ 16 cases, Ⅲ 21 cases, Ⅳ 24 cases) and 12 cases of adjacent tissues, and the expression levels of E-cadherin, N-cadherin and vimentin were also investigated in fresh glioma tissue...
December 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29223529/corticosterone-impairs-gap-junctions-in-the-prefrontal-cortical-and-hippocampal-astrocytes-via-different-mechanisms
#18
Cong-Yuan Xia, Zhen-Zhen Wang, Zhao Zhang, Jiao Chen, Ying-Ying Wang, Yu-Xia Lou, Yan Gao, Piao Luo, Qian Ren, Guo-Hua Du, Nai-Hong Chen
Increasing evidence has implicated astrocyte pathology in the etiopathology of major depressive disorder (MDD). In particular, dysfunction of gap junctions in astrocytes is a potential target for MDD treatment. However, the mechanism underlying stress-induced dysfunction of gap junctions is still unknown. We therefore studied the mechanism of stress-induced dysfunction of gap junctions in prefrontal cortical and hippocampal astrocytes. Corticosterone (CORT) was used to induce stress conditions; CORT damaged the function of gap junctions, which resulted from less distribution of connexin43 (Cx43) on membranes and the enhanced phosphorylation of Cx43 at S368...
December 6, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29221156/the-protective-role-of-sphingosine-1-phosphate-against-the-action-of-the-vascular-disrupting-agent-combretastatin-a-4-3-o-phosphate
#19
Joanna Shepherd, Matthew Fisher, Abigail Welford, Donald M McDonald, Chryso Kanthou, Gillian M Tozer
Solid tumours vary in sensitivity to the vascular disrupting agent combretastatin A-4 3-O-phosphate (CA4P), but underlying factors are poorly understood. The signaling sphingolipid, sphingosine-1-phosphate (S1P), promotes vascular barrier integrity by promoting assembly of VE-cadherin/β-catenin complexes. We tested the hypothesis that tumour pre-treatment with S1P would render tumours less susceptible to CA4P. S1P (1μM) pretreatment attenuated an increase in endothelial cell (HUVEC) monolayer permeability induced by 10μM CA4P...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221135/silencing-of-bag3-inhibits-the-epithelial-mesenchymal-transition-in-human-cervical-cancer
#20
Fei Song, Geng Wang, Zhifang Ma, Yuebing Ma, Yingying Wang
Bcl2-associated athanogene 3 (BAG3) has been reported to be involved in aggressive progression of many tumors. In the present study, we examined the expression of BAG3 in human cervical cancer (CC) tissues and investigated the role of BAG3 in SiHa and HeLa cell growth, migration, and invasion. Here, we found that most of CC tissues highly expressed the protein and mRNA of BAG3, while their expression was obviously lower in paired normal tissues (all p<0.001). BAG3 expression was associated with FIGO stage and metastasis (all p<0...
November 10, 2017: Oncotarget
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