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Wnt pathway

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https://www.readbyqxmd.com/read/28820056/involvement-of-cd24-in-multiple-cancer-related-pathways-makes-it-an-interesting-new-target-for-cancer-therapy
#1
Shirin Eyvazi, Bahram Kazemi, Siavoush Dastmalchi, Mojgan Bandehpour
CD24 (cluster of differentiation 24) is a small heavy glycosylated protein, which is overexpressed in many cancer and some cancer stem cells and is associated with the development, invasion, and metastasis of cancer cells. The exact role of CD24 in these processes is not fully understood, however, in this article, it has been tried to present collection of cancer-related mechanisms attributed to CD24. Based on the literature, CD24 dis-regulates different signaling pathways in various cancer cells, including; Src kinases, STAT3, EGFR, Wnt/β-catenin and MAPK...
August 18, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28819426/central-role-of-cemip-in-tumorigenesis-and-its-potential-as-therapeutic-target
#2
REVIEW
Li Li, Lin-Hai Yan, Shwetha Manoj, Ying Li, Lu Lu
CEMIP (KIAA1199) was identified as migratory indicator protein which had been crudely studied in the last decade. Firstly its mutation site was reported to cause hearing loss due to the folding change of protein structure, meanwhile the over-expression of CEMIP referred to dreadful invasion and uncontrolled proliferation of tumor with distant metastasis, dedifferentiation, and limited survival opportunity of patients. Especially, over-expressed CEMIP also protected malignant tumor from strict microenvironment in hypoxia, low glucose and cracked barrier, leading to enhanced adaptability of tumor by stimulating the Wnt, EGFR, FGFR pathway...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819413/the-role-of-%C3%AE-catenin-in-the-initiation-and-metastasis-of-ta2-mice-spontaneous-breast-cancer
#3
Dan Zhang, Fei Fei, Shuyuan Li, Yongjie Zhao, Zhengduo Yang, Jie Qu, Xipeng Zhang, Yu Yin, Shiwu Zhang
Purpose: Tientsin Albino 2 (TA2) mice have a high incidence of spontaneous breast cancer. Tumor initiation is related to mouse mammary tumor virus (MMTV) infection. MMTV is hormonally regulated and may promote tumor formation via Wnt/β-catenin signaling pathway. This study attempts to clarify the relationship between β-catenin expression and the initiation and metastasis of spontaneous breast cancer in TA2 mice. Materials and Methods: Pathological samples illustrating the development of spontaneous breast cancer in TA2 mice were collected and the presence of virus particles was verified in the cancer tissue by electron microscope...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819407/ccr7-promote-lymph-node-metastasis-via-regulating-vegf-c-d-r3-pathway-in-lung-adenocarcinoma
#4
Jie Yu, Shaolin Tao, Pingping Hu, Ruwen Wang, Chunshu Fang, Yi Xu, Di Qi, Zhuanqin Wei, Jingge Zhang, Qunyou Tan
Lymph node metastasis is still an important issue in metastatic process of lung adenocarcinoma. C-C chemokine receptor 7 (CCR7) has been proved to be closely associated with the metastasis of lung adenocarcinoma, and the mechanism is poorly understood. In order to investigate the relationship between CCR7 and lymph node metastasis in lung adenocarcinoma, and to explore the role of CCR7 in treating lung adenocarcinoma, 40 clinical specimens were collected to define the relationship between CCR7 and lymph node metastasis in lung adenocarcinoma by immunohistochemistry...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28818668/a-bipolar-role-of-the-transcription-factor-erg-for-cnidarian-germ-layer-formation-and-apical-domain-patterning
#5
Aldine R Amiel, Hereroa Johnston, Taylor Chock, Paul Dahlin, Marta Iglesias, Michael Layden, Eric Röttinger, Mark Q Martindale
Germ layer formation and axial patterning are biological processes that are tightly linked during embryonic development of most metazoans. In addition to canonical WNT, it has been proposed that ERK-MAPK signaling is involved in specifying oral as well as aboral territories in cnidarians. However, the effector and the molecular mechanism underlying latter phenomenon is unknown. By screening for potential effectors of ERK-MAPK signaling in both domains, we identified a member of the ETS family of transcription factors, Nverg that is bi-polarily expressed prior to gastrulation...
August 14, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28817181/introduction-of-hsa-mir-103a-and-hsa-mir-1827-and-hsa-mir-137-as-new-regulators-of-wnt-signaling-pathway-and-their-relation-to-colorectal-carcinoma
#6
Ali Fasihi, Bahram M Soltani, Amir Atashi, Shirzad Nasiri
Wnt signaling is hyper-activated in most of human cancers including colorectal carcinoma (CRC). Therefore, the introduction of new regulators for Wnt pathway possesses promising diagnostic and therapeutic applications in cancer medicine. Bioinformatics analysis introduced hsa-miR-103a, hsa-miR-1827, and hsa-miR-137 as potential regulators of Wnt signaling pathway. Here, we intended to examine the effect of these human miRNAs on Wnt signaling pathway components, on the cell cycle progression in CRC originated cell lines and their expression in CRC tissues...
August 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28815248/-differentially-expressed-genes-between-the-human-mandible-and-ilium-derived-mesenchymal-cells
#7
Quan-Quan Yang, Jiao Wang, Zhi-Yong Li
PURPOSE: To explore the differentially expressed genes between human mandible- and ilium- derived mesenchymal cells. METHODS: Differentially expressed genes between the human mandible- and ilium- derived mesenchymal cells were obtained from the GEO database based on the analysis of GEO2R software, then the relationship among these genes were analysed using DAVID and Gene MANIA on-line database. RESULTS: Two hundred and ninety three differentially expressed genes between the human mandible and iliac derived mesenchymal cells were obtained, and most of them were homeobox genes that related to bone development...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28814721/acceleration-of-osteoblast-differentiation-by-a-novel-osteogenic-compound-dmp-pyt-through-activation-of-both-the-bmp-and-wnt-pathways
#8
Su Jung Bae, Hye Joo Kim, Hee Yeon Won, Yong Ki Min, Eun Sook Hwang
Osteoblast differentiation is regulated through the successive activation of signaling molecules by a complex interplay of extracellular signals such as bone morphogenetic protein (BMP) and Wnt ligands. Numerous studies have identified natural as well as synthetic compounds with osteogenic activity through the regulation of either BMP/SMADs or the Wnt/β-catenin pathway. Here, we attempted to isolate small molecules that concurrently activated both SMADs and β-catenin, which led to the discovery of a novel potent osteogenic compound, DMP-PYT...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814475/developmental-pathway-genes-and-neural-plasticity-underlying-emotional-learning-and-stress-related-disorders
#9
Marissa E Maheu, Kerry J Ressler
The manipulation of neural plasticity as a means of intervening in the onset and progression of stress-related disorders retains its appeal for many researchers, despite our limited success in translating such interventions from the laboratory to the clinic. Given the challenges of identifying individual genetic variants that confer increased risk for illnesses like depression and post-traumatic stress disorder, some have turned their attention instead to focusing on so-called "master regulators" of plasticity that may provide a means of controlling these potentially impaired processes in psychiatric illnesses...
September 2017: Learning & Memory
https://www.readbyqxmd.com/read/28814148/-express-could-an-endoneurial-endothelial-crosstalk-between-wnt-%C3%AE-catenin-and-sonic-hedgehog-pathways-underlie-the-early-disruption-of-the-infra-orbital-blood-nerve-barrier-following-chronic-constriction-injury
#10
Nathan Moreau, Annie Mauborgne, Pierre-Olivier Couraud, Ignacio A Romero, Babette B Weksler, Luis Villanueva, Michel Pohl, Yves Boucher
No abstract text is available yet for this article.
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28813618/whole-exome-sequencing-identifies-novel-variants-for-tooth-agenesis
#11
N Dinckan, R Du, L E Petty, Z Coban-Akdemir, S N Jhangiani, I Paine, E H Baugh, A P Erdem, H Kayserili, H Doddapaneni, J Hu, D M Muzny, E Boerwinkle, R A Gibbs, J R Lupski, Z O Uyguner, J E Below, A Letra
Tooth agenesis is a common craniofacial abnormality in humans and represents failure to develop 1 or more permanent teeth. Tooth agenesis is complex, and variations in about a dozen genes have been reported as contributing to the etiology. Here, we combined whole-exome sequencing, array-based genotyping, and linkage analysis to identify putative pathogenic variants in candidate disease genes for tooth agenesis in 10 multiplex Turkish families. Novel homozygous and heterozygous variants in LRP6, DKK1, LAMA3, and COL17A1 genes, as well as known variants in WNT10A, were identified as likely pathogenic in isolated tooth agenesis...
August 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28811361/chemoradiotherapy-resistance-in-colorectal-cancer-cells-is-mediated-by-wnt-%C3%AE-catenin-signaling
#12
Georg Emons, Melanie Spitzner, Sebastian Reineke, Janneke Möller, Noam Auslander, Frank Kramer, Yue Hu, Tim Beissbarth, Hendrik A Wolff, Margret Rave-Fränk, Elisabeth Heßmann, Jochen Gaedcke, B Michael Ghadimi, Steven Johnsen, Thomas Ried, Marian Grade
Activation of Wnt/β-catenin signaling plays a central role in the development and progression of colorectal cancer (CRC). The Wnt-transcription factor, TCF7L2, is overexpressed in primary rectal cancers that are resistant to chemoradiotherapy (CRT) and TCF7L2 mediates resistance to CRT. However, it is unclear whether the resistance is mediated by a TCF7L2 inherent mechanism or Wnt/β-catenin signaling in general. Here, inhibition of β-catenin by siRNAs or a small molecule inhibitor (XAV-939) resulted in sensitization of CRC cells to CRT...
August 15, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28811300/epigenetic-regulation-by-the-menin-pathway
#13
Zijie Feng, Jian Ma, Xianxin Hua
There is a trend of increasing prevalence of neuroendocrine tumors (NETs), and the inherited multiple endocrine neoplasia type 1 (MEN1) syndrome serves as a genetic model to investigate how NETs develop and the underlying mechanisms. Menin, encoded by the MEN1 gene, at least partly acts as a scaffold protein by interacting with multiple partners to regulate cellular homeostasis of various endocrine organs. Menin has multiple functions including regulating several important signaling pathways by controlling gene transcription...
August 15, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28810936/lncrna-c2dat1-promotes-cell-proliferation-migration-and-invasion-by-targeting-mir-34a-5p-in-osteosarcoma-cells
#14
Daofu Jia, Yanping Niu, Dongling Li, Zhaorui Liu
Osteosarcoma is a highly aggressive malignant bone tumor with poor prognosis in cases. Evidence suggested that lncRNAsare deregulated in multiple cancers. In this study, we investigated the role of the lncRNA C2dat1 on the biological functions of osteosarcoma cells. The expressions of C2dat1, miR-34a-5p and Sirt1 in human osteosarcoma cells were altered by transfection with their specific vectors/shRNA, or mimic/inhibitor. Then, cell viability, migration, invasion and apoptosis were respectively assessed post-transfection...
August 15, 2017: Oncology Research
https://www.readbyqxmd.com/read/28810742/determination-of-rate-limiting-factor-for-formation-of-beta-catenin-destruction-complexes-using-absolute-protein-quantification
#15
Masashi Kitazawa, Tomohisa Hatta, Koji Ogawa, Eriko Fukuda, Naoki Goshima, Tohru Natsume
Wnt/β-catenin signaling plays important roles in both ontogenesis and development. In the absence of a Wnt stimulus, β-catenin is degraded by a multiprotein "destruction complex" that includes Axin, APC, GSK3B, and FBXW11. Although the key molecules required for transducing Wnt signals have been identified, a quantitative understanding of this pathway has been lacking. Here, we calculated the absolute number of β-catenin destruction complexes by absolute protein quantification using LC-MS/MS. Similar amounts of destruction complex-constituting proteins and β-catenin interacted, and the number of destruction complexes was calculated to be about 1,468 molecules/cell...
August 15, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28808993/multiplexed-liquid-chromatography-multiple-reaction-monitoring-mass-spectrometry-quantification-of-cancer-signaling-proteins
#16
Yi Chen, Kate J Fisher, Mark Lloyd, Elizabeth R Wood, Domenico Coppola, Erin Siegel, David Shibata, Yian A Chen, John M Koomen
Quantitative evaluation of protein expression across multiple cancer-related signaling pathways (e.g., Wnt/β-catenin, TGF-β, receptor tyrosine kinases (RTK), MAP kinases, NF-κB, and apoptosis) in tumor tissues may enable the development of a molecular profile for each individual tumor that can aid in the selection of appropriate targeted cancer therapies. Here, we describe the development of a broadly applicable protocol to develop and implement quantitative mass spectrometry assays using cell line models and frozen tissue specimens from colon cancer patients...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28808893/epigenetics-and-bone-remodeling
#17
REVIEW
Ali Husain, Matlock A Jeffries
PURPOSE OF REVIEW: Bone remodeling is a diverse field of study with many direct clinical applications; past studies have implicated epigenetic alterations as key factors of both normal bone tissue development and function and diseases of pathologic bone remodeling. The purpose of this article is to review the most important recent advances that link epigenetic changes to the bone remodeling field. RECENT FINDINGS: Epigenetics describes three major phenomena: DNA modification via methylation, histone side chain modifications, and short non-coding RNA sequences which work in concert to regulate gene transcription in a heritable fashion...
August 14, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28808228/loss-of-usp9x-disrupts-cell-adhesion-and-components-of-the-wnt-and-notch-signaling-pathways-in-neural-progenitors
#18
Susitha Premarathne, Mariyam Murtaza, Nicholas Matigian, Lachlan A Jolly, Stephen A Wood
Development of neural progenitors depends upon the coordination of appropriate intrinsic responses to extrinsic signalling pathways. Here we show the deubiquitylating enzyme, Usp9x regulates components of both intrinsic and extrinsic fate determinants. Nestin-cre mediated ablation of Usp9x from embryonic neural progenitors in vivo resulted in a transient disruption of cell adhesion and apical-basal polarity and, an increased number and ectopic localisation of intermediate neural progenitors. In contrast to other adhesion and polarity proteins, levels of β-catenin protein, especially S33/S37/T41 phospho-β-catenin, were markedly increased in Usp9x (-/Y) embryonic cortices...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808220/insensitivity-of-pi3k-akt-gsk3-signaling-in-peripheral-blood-mononuclear-cells-of-age-related-macular-degeneration-patients
#19
Xunxian Liu, Zemin Yao
Our recent studies with cultured retinal pigment epithelium cells suggested that overexpression of interleukin 17 receptor C (IL-17RC), a phenomenon observed in peripheral blood and chorioretinal tissues with age-related macular degeneration (AMD), was associated with altered activation of phosphatidylinositide 3-kinase (PI3K), Akt, and glycogen synthase kinase 3 (GSK3). We wondered whether or not altered PI3K, Akt, and GSK3 activities could be detected in peripheral blood mononuclear cells (PBMC) obtained from AMD patients...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28808056/the-crystal-structure-of-full-length-sizzled-from-xenopus-laevis-yields-insights-into-wnt-antagonistic-function-of-secreted-frizzled-related-proteins
#20
Qixin Bu, Zhiqiang Li, Junying Zhang, Fei Xu, Jianmei Liu, Heli Liu
The Wnt signaling pathway is crucial to cell proliferation, differentiation and migration. The secreted frizzled-related proteins (sFRPs) represent the largest family of secreted Wnt inhibitors. However, their function in antagonizing Wnt signaling has remained somewhat controversial. Here we report the crystal structure of Sizzled from Xenopus laevis, the first full-length structure of an sFRP. Tethered by an inter-domain disulfide bond and a linker, the N-terminal CRD domain and the C-terminal NTR domain of Sizzled are arranged in a tandem fashion, with the NTR domain occluding the groove of CRD for Wnt accessibility...
August 14, 2017: Journal of Biological Chemistry
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