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https://www.readbyqxmd.com/read/27906498/st3gal6-mediates-the-effect-of-mir-26a-on-cell-growth-migration-and-invasion-in-hepatocellular-carcinoma-via-the-akt-mtor-pathway
#1
Mingming Sun, Xuzi Zhao, Leilei Liang, Xufeng Pan, Hao Lv, Yongfu Zhao
Aberrant sialylation profiles on the cell surface have been recognized for their potential diagnostic value in identifying the regulation of tumor properties in several cancers, including hepatocellular carcinoma (HCC). Recently, increasing evidence has suggested that the deregulation of microRNA (miRNA) is a common feature in human cancers. In this study, we found obvious up-regulation of ST3GAL6 both in HCC cell lines and in tissue samples. The altered expression of ST3GAL6 was found to correlate with cell proliferation, migration and invasion ability in HCC...
December 1, 2016: Cancer Science
https://www.readbyqxmd.com/read/27906497/neuroembryology
#2
REVIEW
Diana Darnell, Scott F Gilbert
How is it that some cells become neurons? And how is it that neurons become organized in the spinal cord and brain to allow us to walk and talk, to see, recall events in our lives, feel pain, keep our balance, and think? The cells that are specified to form the brain and spinal cord are originally located on the outside surface of the embryo. They loop inward to form the neural tube in a process called neurulation. Structures that are nearby send signals to the posterior neural tube to form and pattern the spinal cord so that the dorsal side receives sensory input and the ventral side sends motor signals from neurons to muscles...
December 1, 2016: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/27906182/bcl-3-regulates-tgf%C3%AE-signaling-by-stabilizing-smad3-during-breast-cancer-pulmonary-metastasis
#3
Xi Chen, Xinwei Cao, Xiaohua Sun, Rong Lei, Pengfei Chen, Yongxu Zhao, Yuhang Jiang, Jie Yin, Ran Chen, Deji Ye, Qi Wang, Zhanjie Liu, Sanhong Liu, Chunyan Cheng, Jie Mao, Yingyong Hou, Mingliang Wang, Ulrich Siebenlist, Y Eugene Chin, Ying Wang, Liu Cao, Guohong Hu, Xiaoren Zhang
Transforming growth factor beta (TGFβ) signaling in breast cancer is selectively associated with pulmonary metastasis. However, the underlying mechanisms remain unclear. Here we show that Bcl-3, a member of the IκB family, serves as a critical regulator in TGFβ signaling to modulate breast cancer pulmonary metastasis. Bcl-3 expression was significantly associated with metastasis-free survival in breast cancer patients. Bcl-3 deletion inhibited the migration and invasion of breast cancer cells in vitro, as well as breast cancer lung metastasis in vivo...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27906162/activation-of-myeloid-and-endothelial-cells-by-cd40l-gene-therapy-supports-t-cell-expansion-and-migration-into-the-tumor-microenvironment
#4
E Eriksson, R Moreno, I Milenova, L Liljenfeldt, L C Dieterich, L Christiansson, H Karlsson, G Ullenhag, S Mangsbo, A Dimberg, R Alemany, A Loskog
CD40 is an interesting target in cancer immunotherapy due to its ability to stimulate Th1 immunity via maturation of dendritic cells and to drive M2 to M1 macrophage differentiation. Pancreatic cancer has a high M2 content that has shown responsive to anti-CD40 agonist therapy and CD40 may thus be a suitable target for immune activation in these patients. In this study, a novel oncolytic adenovirus armed with a trimerized membrane-bound extracellular CD40L (TMZ-CD40L) was evaluated as a treatment of pancreatic cancer...
December 1, 2016: Gene Therapy
https://www.readbyqxmd.com/read/27906130/braf-activates-pax3-to-control-muscle-precursor-cell-migration-during-forelimb-muscle-development
#5
Jaeyoung Shin, Shuichi Watanabe, Soraya Hoelper, Marcus Krüger, Sawa Kostin, Jochen Pöling, Thomas Kubin, Thomas Braun
Migration of skeletal muscle precursor cells is a key step during limb muscle development and depends on the activity of PAX3 and MET. Here, we demonstrate that BRAF serves a crucial function in formation of limb skeletal muscles during mouse embryogenesis downstream of MET and acts as a potent inducer of myoblast cell migration. We found that a fraction of BRAF accumulates in the nucleus after activation and endosomal transport to a perinuclear position. Mass spectrometry based screening for potential interaction partners revealed that BRAF interacts and phosphorylates PAX3...
December 1, 2016: ELife
https://www.readbyqxmd.com/read/27906106/loss-of-niche-satellite-cell-interactions-in-syndecan-3-null-mice-alters-muscle-progenitor-cell-homeostasis-improving-muscle-regeneration
#6
Addolorata Pisconti, Glen B Banks, Farshad Babaeijandaghi, Nicole Dalla Betta, Fabio M V Rossi, Jeffrey S Chamberlain, Bradley B Olwin
BACKGROUND: The skeletal muscle stem cell niche provides an environment that maintains quiescent satellite cells, required for skeletal muscle homeostasis and regeneration. Syndecan-3, a transmembrane proteoglycan expressed in satellite cells, supports communication with the niche, providing cell interactions and signals to maintain quiescent satellite cells. RESULTS: Syndecan-3 ablation unexpectedly improves regeneration in repeatedly injured muscle and in dystrophic mice, accompanied by the persistence of sublaminar and interstitial, proliferating myoblasts...
October 4, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27906093/microrna-140-5p-inhibits-colorectal-cancer-invasion-and-metastasis-by-targeting-adamts5-and-igfbp5
#7
Lihui Yu, Ying Lu, Xiaocui Han, Wenyue Zhao, Jiazhi Li, Jun Mao, Bo Wang, Jie Shen, Shujun Fan, Lu Wang, Mei Wang, Lianhong Li, Jianwu Tang, Bo Song
BACKGROUND: Colorectal cancer (CRC) is one of the most common malignancies in the world. microRNA-140-5p (miR-140) has been shown to be involved in cartilage development and osteoarthritis (OA) pathogenesis. Some contradictions still exist concerning the role of miR-140 in tumor progression and metastasis, and the underlying mechanism is uncertain. METHODS: Immunohistochemistry was performed to determine the expressions of ADAMTS5 and IGFBP5 in CRC tissues. Human CRC cell lines HCT116 and RKO were transfected with miR-140 mimic, inhibitor, or small interfering RNA (siRNA) against ADAMTS5 or IGFBP5, respectively, using oligofectamine or lipofectamine 2000...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27905925/expression-of-insulin-receptor-ir-a-and-b-isoforms-igf-ir-and-ir-igf-ir-hybrid-receptors-in-vascular-smooth-muscle-cells-and-their-role-in-cell-migration-in-atherosclerosis
#8
N Beneit, C E Fernández-García, J L Martín-Ventura, L Perdomo, Ó Escribano, J B Michel, G García-Gómez, S Fernández, S Díaz-Castroverde, J Egido, A Gómez-Hernández, M Benito
BACKGROUND: Abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) is a major contributor to the development of atherosclerotic process. In a previous work, we demonstrated that the insulin receptor isoform A (IRA) and its association with the insulin-like growth factor-I receptor (IGF-IR) confer a proliferative advantage to VSMCs. However, the role of IR and IGF-IR in VSMC migration remains poorly understood. METHODS: Wound healing assays were performed in VSMCs bearing IR (IRLoxP(+/+) VSMCs), or not (IR(-/-) VSMCs), expressing IRA (IRA VSMCs) or expressing IRB (IRB VSMCs)...
December 1, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27905296/a-pathogenic-role-for-the-integrin-cd103-in-experimental-allergic-airways-disease
#9
Vanessa S Fear, Siew Ping Lai, Graeme R Zosky, Kara L Perks, Shelley Gorman, Fabian Blank, Christophe von Garnier, Philip A Stumbles, Deborah H Strickland
The integrin CD103 is the αE chain of integrin αEβ7 that is important in the maintenance of intraepithelial lymphocytes and recruitment of T cells and dendritic cells (DC) to mucosal surfaces. The role of CD103 in intestinal immune homeostasis has been well described, however, its role in allergic airway inflammation is less well understood. In this study, we used an ovalbumin (OVA)-induced, CD103-knockout (KO) BALB/c mouse model of experimental allergic airways disease (EAAD) to investigate the role of CD103 in disease expression, CD4(+) T-cell activation and DC activation and function in airways and lymph nodes...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27905066/a-multiscale-approach-to-the-migration-of-cancer-stem-cells-mathematical-modelling-and-simulations
#10
Nikolaos Sfakianakis, Niklas Kolbe, Nadja Hellmann, Mária Lukáčová-Medvid'ová
We propose a multiscale model for the invasion of the extracellular matrix by two types of cancer cells, the differentiated cancer cells and the cancer stem cells. We investigate the epithelial mesenchymal-like transition between them being driven primarily by the epidermal growth factors. We moreover take into account the transdifferentiation program of the cancer stem cells towards the cancer-associated fibroblast cells as well as the fibroblast-driven remodelling of the extracellular matrix. The proposed haptotaxis model combines the macroscopic phenomenon of the invasion of the extracellular matrix by both types of cancer cells with the microscopic dynamics of the epidermal growth factors...
November 30, 2016: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/27905023/distinct-cortical-and-sub-cortical-neurogenic-domains-for-gabaergic-interneuron-precursor-transcription-factors-nkx2-1-olig2-and-coup-tfii-in-early-fetal-human-telencephalon
#11
Ayman Alzu'bi, Susan Lindsay, Janet Kerwin, Shi Jie Looi, Fareha Khalil, Gavin J Clowry
The extent of similarities and differences between cortical GABAergic interneuron generation in rodent and primate telencephalon remains contentious. We examined expression of three interneuron precursor transcription factors, alongside other markers, using immunohistochemistry on 8-12 post-conceptional weeks (PCW) human telencephalon sections. NKX2.1, OLIG2, and COUP-TFII expression occupied distinct (although overlapping) neurogenic domains which extended into the cortex and revealed three CGE compartments: lateral, medial, and ventral...
November 30, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27904998/alginate-chitosan-hydrogels-provide-a-sustained-gradient-of-sphingosine-1-phosphate-for-therapeutic-angiogenesis
#12
Priscilla A Williams, Kevin T Campbell, Hessam Gharaviram, Justin L Madrigal, Eduardo A Silva
Sphingosine-1-phosphate (S1P), a bioactive lipid, is a potent candidate for treatment of ischemic vascular disease. However, designing biomaterial systems for the controlled release of S1P to achieve therapeutic angiogenesis presents both biological and engineering challenges. Thus, the objective of this study was to design a hydrogel system that provides controlled and sustained release of S1P to establish local concentration gradients that promote neovascularization. Alginate hydrogels have been extensively studied and characterized for delivery of proangiogenic factors...
November 30, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27904778/long-non-coding-rna-ccat2-promotes-gastric-cancer-proliferation-and-invasion-by-regulating-the-e-cadherin-and-lats2
#13
Yong-Jun Wang, Jian-Zhen Liu, Pei Lv, Yi Dang, Jiang-Yan Gao, Yong Wang
Dysregulation of long non-coding RNAs (lncRNAs) play important roles in tumor development and progression. The long non-coding RNA CCAT2 has been identified to be up-regulated in gastric cancer (GC). However, the detailed molecular mechanism of CCAT2 involved in GC progression is still unknown. The aim of this study was to explore the expression and role of CCAT2 in GC progression. In the study, the expression levels of CCAT2 were significantly up-regulated in 108 cases GC tissues compared with adjacent non-tumor tissues by qRT-PCR analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904777/g3bp1-contributes-to-tumor-metastasis-via-upregulation-of-slug-expression-in-hepatocellular-carcinoma
#14
Ning Dou, Jingde Chen, Shijun Yu, Yong Gao, Yandong Li
RasGAP SH3-domain-Binding Protein 1 (G3BP1) has been implicated in cell growth, migration, and metastasis of some cancers, yet its function in hepatocellular carcinoma (HCC) remains to be explored. In the present study, we reported that G3BP1 was upregulated in HCC tissues compared with adjacent non-cancerous liver tissues both in mRNA and protein levels, and its high expression was significantly correlated with poor prognosis of HCC patients. Functional analyses demonstrated that forced expression of G3BP1 in HCC cells promoted cell migration, and silenced expression of G3BP1 by RNA interference caused opposite effects...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904774/the-g-protein-coupled-chemoattractant-receptor-fpr2-promotes-malignant-phenotype-of-human-colon-cancer-cells
#15
Yi Xiang, Xiaohong Yao, Keqiang Chen, Xiafei Wang, Jiamin Zhou, Wanghua Gong, Teizo Yoshimura, Jiaqiang Huang, Rongquan Wang, Yuzhang Wu, Guochao Shi, Xiuwu Bian, Jiming Wang
The G-protein coupled chemoattractant receptor formylpeptide receptor-2 (FPR2 in human, Fpr2 in mice) is expressed by mouse colon epithelial cells and plays a critical role in mediating mucosal homeostasis and inflammatory responses. However, the biological role of FPR2 in human colon is unclear. Our investigation revealed that a considerable number of human colon cancer cell lines expressed FPR2 and its ligands promoted cell migration and proliferation. Human colon cancer cell lines expressing high levels of FPR2 also formed more rapidly growing tumors in immunocompromised mice as compared with cell lines expressing lower levels of FPR2...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904769/disruption-of-actin-filaments-and-suppression-of-pancreatic-cancer-cell-viability-and-migration-following-treatment-with-polyisoprenylated-cysteinyl-amides
#16
Augustine T Nkembo, Olufisayo Salako, Rosemary A Poku, Felix Amissah, Elizabeth Ntantie, Hernan Flores-Rozas, Nazarius S Lamango
Pancreatic cancer is characterized by K-Ras mutations in over 90% of the cases. The mutations make the tumors aggressive and resistant to current therapies resulting in very poor prognoses. Valiant efforts to drug mutant K-Ras and related proteins for the treatment of cancers with Ras mutations have been elusive. The need thus persists for therapies to target and suppress the hyperactive K-Ras mutant proteins to normal levels of activity. Polyisoprenylated cysteinyl amide inhibitors (PCAIs) of polyisoprenylated methylated protein methyl esterase (PMPMEase) were designed to disrupt polyisoprenylated protein metabolism and/or functions...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904763/microrna-133a-3p-exerts-inhibitory-effects-on-gallbladder-carcinoma-via-targeting-rbpj
#17
Yuan Huang, Yaoshi Wu, Jiahong Dong, Dongdong Han, Shiwei Yang, Lin Jiang
Gallbladder carcinoma (GBC) is the most common biliary tract malignancy with high mortality. The median survival time is 6 months, and the 5-year survival rate less than 5% for GBC patients. Thus, it is imperative to investigate the molecular mechanisms underlying the pathogenesis of GBC. miR-133a may exert anti-tumor effects on a variety of cancers. However, the role of miR-133a in the pathogenesis of GBC remains unclear. In this study, quantitative real-time polymerase chain reaction (qRT-PCR) showed the miR-133a-3p expression markedly decreased in GBC as compared to adjacent normal tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904762/activin-receptor-like-kinases-a-diverse-family-playing-an-important-role-in-cancer
#18
REVIEW
Holli A Loomans, Claudia D Andl
The role and function of the members of the TGFβ superfamily has been a substantial area of research focus for the last several decades. During that time, it has become apparent that aberrations in TGFβ family signaling, whether through the BMP, Activin, or TGFβ arms of the pathway, can result in tumorigenesis or contribute to its progression. Downstream signaling regulates cellular growth under normal physiological conditions yet induces diverse processes during carcinogenesis, ranging from epithelial- to-mesenchymal transition to cell migration and invasion to angiogenesis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904704/lncrna-sox2ot-overexpression-serves-as-a-poor-prognostic-biomarker-in-gastric-cancer
#19
Yuanyuan Zhang, Rui Yang, Jianchun Lian, Haiyan Xu
Sox2 overlapping transcript (Sox2ot) serves as an unfavorable prognostic factor in lung cancer and hepatocellular carcinoma, but the clinical significance and biological function of Sox2ot in gastric cancer is still unknown. The objective of our research is to explore the significance of Sox2ot in gastric cancer. Quantitative real-time polymerase chain reaction was performed to determine Sox2ot in gastric cancer tissues and cell lines. Furthermore, the Sox2ot status in one hundred and thirty two gastric cancer samples was detected to analyzed correlations between Sox2ot and clinicopathological features...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904703/lncrna-pvt1-overexpression-is-a-poor-prognostic-biomarker-and-regulates-migration-and-invasion-in-small-cell-lung-cancer
#20
Chengsuo Huang, Shuguang Liu, Huijun Wang, Zicheng Zhang, Qing Yang, Fang Gao
PVT1 has been suggested as playing important roles in diverse biological processes including tumorigenesis. However, the clinical significance and biological function of PVT1 in small cell lung cancer (SCLC) is still unclear. The purpose of this study is to identify the role of PVT1 in SCLC. The expression of PVT1 was examined in SCLC tissues and cell lines through real-time PCR. Meanwhile, the relationship of PVT1 expression levels with clinical characteristics of 120 SCLC patients was analyzed. Univariate and multivariate analyses were performed to determine the association between PVT1 expression and prognosis of SCLC patient...
2016: American Journal of Translational Research
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