نتایج جستجو برای: wnt

تعداد نتایج: 22773  

Journal: :Molecular cancer therapeutics 2015
Babita Madan David M Virshup

Wnt signaling is dysregulated in many cancers and is therefore an attractive therapeutic target. The focus of drug development has recently shifted away from downstream inhibitors of β-catenin. Active inhibitors of Wnt secretion and Wnt/receptor interactions have been developed that are now entering clinical trials. Such agents include inhibitors of Wnt secretion, as well as recombinant protein...

2009
Baozhi Chen Michael E. Dodge Wei Tang Jianming Lu Zhiqiang Ma Chih-Wei Fan Shuguang Wei Wayne Hao Jessica Kilgore Noelle S. Williams Michael G. Roth James F. Amatruda Chuo Chen Lawrence Lum

The pervasive influence of secreted Wnt signaling proteins in tissue homeostasis and tumorigenesis has galvanized efforts to identify small molecules that target Wnt-mediated cellular responses. By screening a diverse synthetic chemical library, we have discovered two new classes of small molecules that disrupt Wnt pathway responses; whereas one class inhibits the activity of Porcupine, a membr...

2002
Masaru Katoh

WNT signaling pathway is implicated in carcinogenesis, embryogenesis and organogenesis [4]. WNTs are a family of secreted-type glycoproteins with 22∼24 conserved cysteine residues. WNT signals are transduced through seven-transmembrane-type WNT receptors encoded by Frizzled (FZD) genes to the β-catenin TCF pathway, the JNK pathway, or the Ca2+-releasing pathway. Gain-of-function mutations of po...

2016
Eungi Yang Ofelia Tacchelly-Benites Zhenghan Wang Michael P. Randall Ai Tian Hassina Benchabane Sarah Freemantle Claudio Pikielny Nicholas S. Tolwinski Ethan Lee Yashi Ahmed

Wnt/β-catenin signalling directs fundamental processes during metazoan development and can be aberrantly activated in cancer. Wnt stimulation induces the recruitment of the scaffold protein Axin from an inhibitory destruction complex to a stimulatory signalosome. Here we analyse the early effects of Wnt on Axin and find that the ADP-ribose polymerase Tankyrase (Tnks)--known to target Axin for p...

Journal: :The Biochemical journal 2013
Wantae Kim Minseong Kim Eek-hoon Jho

Wnt/β-catenin signalling plays essential roles in embryonic development as well as tissue homoeostasis in adults. Thus abnormal regulation of Wnt/β-catenin signalling is linked to a variety of human diseases, including cancer, osteoporosis and Alzheimer's disease. Owing to the importance of Wnt signalling in a wide range of biological fields, a better understanding of its precise mechanisms cou...

2013
MIN-LI MO MENG-RU LI ZHAO CHEN XING-WEI LIU QING SHENG HAI-MENG ZHOU

Similarly to the Wnt protein palmitoyltransferase, porcupine (PPN) is essential to the activation of the Wnt/β-catenin signaling pathway. However, little is known about the role of PPN activity in human gastric cancer, one of the most common causes of cancer-related mortality. Real-time quantitative PCR was used to detect the expression levels of PPN in paired gastric cancer tissues. Cell proli...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Ken Iwatsuki Hong-Xiang Liu Albert Grónder Meredith A Singer Timothy F Lane Rudolf Grosschedl Charlotte M Mistretta Robert F Margolskee

Wnt and Shh signaling pathways are critical for the development and maturation of many epithelial tissues. Both pathways have roles in stem cell maintenance, tissue development, and tumorigenesis. However, linkage between these pathways in mammalian systems had not been well established. Here, we report that Shh expression in fungiform papillae and formation of normal mature fungiform papillae ...

Journal: :Cancer research 2004
Liang You Biao He Zhidong Xu Kazutsugu Uematsu Julien Mazieres Naoaki Fujii Iwao Mikami Noemi Reguart Joe K McIntosh Mohammed Kashani-Sabet Frank McCormick David M Jablons

Activation of the Wnt/beta-catenin signaling pathway has been associated with human cancers. To test whether Wnt-2 signal is a survival factor in human melanoma cells and thus represents a potential therapeutic target, we investigated the effects of inhibition of Wnt-2 signaling in human melanoma cell lines. We have developed a novel monoclonal antibody against the NH(2) terminus of the human W...

Journal: :Frontiers in bioscience 2017
Carl T Gustafson Tewodros Mamo Avudaiappan Maran Michael J Yaszemski

The importance of the Wnt signaling cascade in the fields of developmental biology, regenerative medicine, cancer genetics, and neurobiology has fueled a wide search for potent pharmacological agents capable of controlling Wnt signaling. Numerous fields of study have lent assistance to this endeavor, yielding both natural and synthetic compounds that are capable of inducing or inhibiting Wnt at...

Journal: :The international journal of biochemistry & cell biology 2014
Pablo Astudillo Héctor Carrasco Juan Larraín

Regulation of Wnt signaling is crucial for embryonic development and adult homeostasis. Here we study the role of Syndecan-4 (SDC4), a cell-surface heparan sulphate proteoglycan, and Fibronectin (FN), in Wnt/β-catenin signaling. Gain- and loss-of-function experiments in mammalian cell lines and Xenopus embryos demonstrate that SDC4 and FN inhibit Wnt/β-catenin signaling. Epistatic and biochemic...

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