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https://www.readbyqxmd.com/read/28734969/integrated-analysis-of-mrna-seq-in-the-haemocytes-of-eriocheir-sinensis-in-response-to-spiroplasma-eriocheiris-infection
#1
Yinghui Wang, Yunji Xiu, Keran Bi, Jiangtao Ou, Wei Gu, Wen Wang, Qingguo Meng
The Chinese mitten crab Eriocheir sinensis is an important economic crustacean that has been exposed to various diseases. Spiroplasma eriocheiris, isolated from tremor-diseased E. sinensis, was first identified as a lethal pathogen of freshwater crustaceans. To understand the pathogenesis of S. eriocheiris to E. sinensis, the transcriptomic profiles of haemocytes in the experimental and control groups at 1 d and 7 d post-injection were obtained using Illumina HiSeq 2500. These results showed that 40,358,724, 44,462,112, 45,516,576 and 37,713,728 paired-end clean reads were obtained from the cDNA libraries of DZ1 (the control group at 1 d), DZ7 (the control group at 7 d), SY1 (the experimental group at 1 d) and SY7 (the experimental group at 7 d), respectively...
July 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28733458/mapping-of-wnt-frizzled-interactions-by-multiplex-crispr-targeting-of-receptor-gene-families
#2
Oksana Voloshanenko, Philipp Gmach, Jan Winter, Dominique Kranz, Michael Boutros
Signaling pathway modules are often encoded by several closely related paralogous genes that can have redundant roles and are therefore difficult to analyze by loss-of-function analysis. A typical example is the Wnt signaling pathway, which in mammals is mediated by 19 Wnt ligands that can bind to 10 Frizzled (FZD) receptors. Although significant progress in understanding Wnt-FZD receptor interactions has been made in recent years, tools to generate systematic interaction maps have been largely lacking. Here we generated cell lines with multiplex mutant alleles of FZD1, FZD2, and FZD7 and demonstrate that these cells are unresponsive to canonical Wnt ligands...
July 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28731148/molecular-genetics-and-targeted-therapy-of-wnt-related-human-diseases-review
#3
Masuko Katoh, Masaru Katoh
Canonical WNT signaling through Frizzled and LRP5/6 receptors is transduced to the WNT/β-catenin and WNT/stabilization of proteins (STOP) signaling cascades to regulate cell fate and proliferation, whereas non-canonical WNT signaling through Frizzled or ROR receptors is transduced to the WNT/planar cell polarity (PCP), WNT/G protein-coupled receptor (GPCR) and WNT/receptor tyrosine kinase (RTK) signaling cascades to regulate cytoskeletal dynamics and directional cell movement. WNT/β-catenin signaling cascade crosstalks with RTK/SRK and GPCR-cAMP-PKA signaling cascades to regulate β-catenin phosphorylation and β-catenin-dependent transcription...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28724663/pd-l1-expression-and-immune-escape-in-melanoma-resistanceto-mapk-inhibitors
#4
Hojabr Kakavand, Robert V Rawson, Gulietta M Pupo, Jean Y H Yang, Alexander M Menzies, Matteo S Carlino, Richard F Kefford, Julie R Howle, Robyn Saw, John F Thompson, James S Wilmott, Georgina V Long, Richard A Scolyer, Helen Rizos
Purpose: To examine the relationship between immune activity, PD-L1 expression and tumor cell signaling, in metastatic melanomas prior to and during treatment with targeted MAPK inhibitors. <p>Experimental design: Thirty-eight tumors from 17 patients treated with BRAF inhibitor (n=12) or combination BRAF/MEK inhibitors (n=5) with known PD-L1 expression were analyzed. RNA expression arrays were performed on all pre-treatment (PRE, n=17), early during treatment (EDT, n=8) and progression (PROG, n=13) biopsies...
July 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28723729/wnt-signaling-in-cardiovascular-disease-opportunities-and-challenges
#5
Austin Gay, Dwight A Towler
PURPOSE OF REVIEW: Cardiometabolic diseases increasingly afflict our aging, dysmetabolic population. Complex signals regulating low-density lipoprotein receptor-related protein (LRP) and frizzled protein family members - the plasma membrane receptors for the cadre of Wnt polypeptide morphogens - contribute to the control of cardiovascular homeostasis. RECENT FINDINGS: Both canonical (β-catenin-dependent) and noncanonical (β-catenin-independent) Wnt signaling programs control vascular smooth muscle (VSM) cell phenotypic modulation in cardiometabolic disease...
July 18, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28722335/protective-effects-of-folic-acid-on-pm2-5-induced-cardiac-developmental-toxicity-in-zebrafish-embryos-by-targeting-ahr-and-wnt-%C3%AE-catenin-signal-pathways
#6
Cong Yue, Cheng Ji, Hang Zhang, Leshuai W Zhang, Jian Tong, Yan Jiang, Tao Chen
Our previous observations indicated that extractable organic matter (EOM) from PM2.5 induced malformations in the heart of zebrafish embryos by activating AhR and inhibiting canonical Wnt/β-catenin signal pathway. As a nutritional factor, folic acid (FA) is reported to prevent cardiac defects during embryo development. Hence, we hypothesize that FA may prevent PM2.5-induced heart defects by interfering with AhR and Wnt/β-catenin signaling pathways. Our results showed that FA supplementation alleviated the EOM-induced heart defects in zebrafish embryos, and both AhR inhibitor CH223191 and Wnt activator CHIR99021 enhanced the protective efficiency of FA...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28718684/role-of-gsk-3%C3%AE-in-regulation-of-canonical-wnt-%C3%AE-catenin-signaling-and-pi3-k-akt-oncogenic-pathway-in-colon-cancer
#7
Shelly Jain, Preety Ghanghas, Chandan Rana, S N Sanyal
Non-steroidal anti-inflammatory drugs (NSAIDs) are emerging as novel chemopreventive agents because of their ability in blocking cellular proliferation, and thereby tumor development, and also by promoting apoptosis. GSK-3β, a serine threonine kinase and a negative regulator of the oncogenic Wnt/β-catenin signaling pathway, plays a critical role in the regulation of oncogenesis. Celecoxib and etoricoxib, the two cyclooxygenase-2 (COX-2) selective NSAIDs, and Diclofenac, a preferential COX-2 inhibitory NSAID, had shown uniformly the chemopreventive and anti-neoplastic effects in the early stage of colon cancer by promoting apoptosis as well as an over-expression of GSK-3β while down-regulating the PI3-K/Akt oncogenic pathway...
July 18, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28714964/inhibition-of-wnt-signaling-attenuates-self-renewal-of-shh-subgroup-medulloblastoma
#8
J Rodriguez-Blanco, L Pednekar, C Penas, B Li, V Martin, J Long, E Lee, W A Weiss, C Rodriguez, N Mehrdad, D M Nguyen, N G Ayad, P Rai, A J Capobianco, D J Robbins
The SMOOTHENED inhibitor vismodegib is FDA approved for advanced basal cell carcinoma (BCC), and shows promise in clinical trials for SONIC HEDGEHOG (SHH)-subgroup medulloblastoma (MB) patients. Clinical experience with BCC patients shows that continuous exposure to vismodegib is necessary to prevent tumor recurrence, suggesting the existence of a vismodegib-resistant reservoir of tumor-propagating cells. We isolated such tumor-propagating cells from a mouse model of SHH-subgroup MB and grew them as sphere cultures...
July 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28707576/new-strategies-for-the-prevention-and-treatment-of-systemic-and-local-bone-loss-from-pathophysiology-to-clinical-application
#9
A Fassio, Maurizio Rossini, Ombretta Viapiana, Luca Idolazzi, Camilla Benini, Elisabetta Vantaggiato, Davide Gatti
Bone loss is the result of a negative unbalance between bone formation ad bone resorption. In the last years, the studies on the Wnt canonical pathway have highlighted its crucial role in bone balance through its influence on the activity and maturation of the osteoblast line and in the Receptor Activator of Nuclear Factor κ B (RANK) - RANK ligand (RANKL)/Osteoprotegerin (OPG) system. These mechanisms are involved not only in the pathological processes inducing not only systemic bone loss (ie. Postmenopausal osteoporosis, glucocorticoid-induced osteoporosis, etc...
July 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28703797/dickkopf1-destabilizes-atherosclerotic-plaques-and-promotes-plaque-formation-by-inducing-apoptosis-of-endothelial-cells-through-activation-of-er-stress
#10
Mingxue Di, Lin Wang, Mengmeng Li, Yu Zhang, Xinxin Liu, Renya Zeng, Han Wang, Yifei Chen, Weijia Chen, Yun Zhang, Mei Zhang
Several clinical studies reported that Dickkopf1 (DKK1) plasma levels are correlated with atherosclerosis. However, the impact of DKK1 on the formation and vulnerability of atherosclerotic plaques remains elusive. This study investigated DKK1's effects on enlargement and destabilization of plaques by targeting endothelial cells and assessing the possible cellular mechanisms involved. The effects of DKK1 on atherogenesis and plaque stability were evaluated in ApoE-/- mice using lentivirus injections to knockdown and knock-in the DKK1 gene...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28703283/wnt-signaling-pathways-in-chronic-lymphocytic-leukemia-and-b-cell-lymphomas
#11
REVIEW
Pavlína Janovská, Vítězslav Bryja
In this review, we discuss the intricate roles of the WNT signaling network in the development and progression of mature B cell-derived hematological malignancies, with a focus on chronic lymphocytic leukemia (CLL) and related B cell lymphomas. We review the current literature and highlight the differences between the β-catenin-dependent and independent branches of WNT signaling. Special attention is paid to the role of the non-canonical WNT/Planar cell polarity (PCP) pathway, mediated by the WNT5-ROR1-Dishevelled (DVL) signaling axis in CLL...
July 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28701694/defective-cftr-leads-to-aberrant-%C3%AE-catenin-activation-and-kidney-fibrosis
#12
Jie Ting Zhang, Yan Wang, Jun Jiang Chen, Xiao Hu Zhang, Jian Da Dong, Lai Ling Tsang, Xiao Ru Huang, Zhiming Cai, Hui Yao Lan, Xiao Hua Jiang, Hsiao Chang Chan
Cystic fibrosis transmembrane conductance regulator (CFTR), known as a cAMP-activated Cl(-) channel, is widely expressed at the apical membrane of epithelial cells in a wide variety of tissues. Of note, despite the abundant expression of CFTR in mammalian kidney, the role of CFTR in kidney disease development is unclear. Here, we report that CFTR expression is downregulated in the UUO (unilateral ureteral obstruction)-induced kidney fibrosis mouse model and human fibrotic kidneys. Dysfunction or downregulation of CFTR in renal epithelial cells leads to alteration of genes involved in Epithelial-Mesenchymal Transition (EMT) and kidney fibrosis...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700668/conditional-cell-reprogramming-involves-non-canonical-%C3%AE-catenin-activation-and-mtor-mediated-inactivation-of-akt
#13
Frank A Suprynowicz, Christopher M Kamonjoh, Ewa Krawczyk, Seema Agarwal, Anton Wellstein, Fadeke A Agboke, Sujata Choudhury, Xuefeng Liu, Richard Schlegel
The combination of irradiated fibroblast feeder cells and Rho kinase inhibitor, Y-267362, converts primary epithelial cells growing in vitro into an undifferentiated adult stem cell-like state that is characterized by long-term proliferation. This cell culture method also maintains the proliferation of adult epithelial stem cells from various tissues. Both primary and adult stem cells retain their tissue-specific differentiation potential upon removal of the culture conditions. Due to the ability to modulate the proliferation and differentiation of the cells, this method is referred to as conditional reprogramming and it is increasingly being used in studies of tumor heterogeneity, personalized medicine and regenerative medicine...
2017: PloS One
https://www.readbyqxmd.com/read/28698213/gene-expression-profiles-of-brain-endothelial-cells-during-embryonic-development-at-bulk-and-single-cell-levels
#14
Mike Hupe, Minerva Xueting Li, Susanne Kneitz, Daria Davydova, Chika Yokota, Julianna Kele-Olovsson, Belma Hot, Jan M Stenman, Manfred Gessler
The blood-brain barrier is a dynamic interface that separates the brain from the circulatory system, and it is formed by highly specialized endothelial cells. To explore the molecular mechanisms defining the unique nature of vascular development and differentiation in the brain, we generated high-resolution gene expression profiles of mouse embryonic brain endothelial cells using translating ribosome affinity purification and single-cell RNA sequencing. We compared the brain vascular translatome with the vascular translatomes of other organs and analyzed the vascular translatomes of the brain at different time points during embryonic development...
July 11, 2017: Science Signaling
https://www.readbyqxmd.com/read/28695795/pharmacologic-inhibition-of-%C3%A3-catenin-with-pyrvinium-inhibits-murine-and-human-models-of-wilms-tumor
#15
Dina Polosukhina, Harold Love, Harold Moses, Ethan Lee, Roy Zent, Peter Clark
Wilms tumor (WT) is the most common renal malignancy of childhood and the fourth most common pediatric solid malignancyin the United States. While the mechanisms underlying the WT biology are complex, these tumors most often demonstrate activation of the canonical Wnt/ß-catenin pathway. We and others have shown that constitutive activation of ß-catenin restricted to the renal epithelium is sufficient to induce primitive renal epithelial tumors which resemble human WT. Here we demonstrate that pharmacologic inhibition of ß-catenin gene transcription with pyrvinium inhibits tumor growth and metastatic progression in a murine model of WT...
July 10, 2017: Oncology Research
https://www.readbyqxmd.com/read/28694190/non-canonical-pathway-induced-by-wnt3a-regulates-%C3%AE-catenin-via-pyk2-in-differentiating-human-neural-progenitor-cells
#16
Venkata Ajay Narendra Talabattula, Peter Morgan, Moritz J Frech, Adelinde M Uhrmacher, Ottmar Herchenröder, Brigitte M Pützer, Arndt Rolfs, Jiankai Luo
Wnt/β-catenin and Wnt/Ca(2+) pathways are involved in cellular processes during embryonic development and the interaction between them in the same cell decides the outcome of cellular functions. In this study, we showed that Wnt3a triggers the Wnt/Ca(2+) signaling pathway, indicated by an increase of cytosolic free calcium ([Ca(2+)]i) and activation of calmodulin dependent kinase II (CaMKII) during the differentiation of human neuronal progenitor cells (hNPCs). Wnt3a via the increase of [Ca(2+)]i activates proline-rich tyrosine kinase 2 (Pyk2), which subsequently regulates phosphorylation of glycogen synthase kinase 3β (GSK3β) and β-catenin stabilization...
July 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28692808/modulating-wnt-signaling-rescues-palate-morphogenesis-in-pax9-mutant-mice
#17
C Li, Y Lan, R Krumlauf, R Jiang
Cleft palate is a common birth defect caused by disruption of palatogenesis during embryonic development. Although mutations disrupting components of the Wnt signaling pathway have been associated with cleft lip and palate in humans and mice, the mechanisms involving canonical Wnt signaling and its regulation in secondary palate development are not well understood. Here, we report that canonical Wnt signaling plays an important role in Pax9-mediated regulation of secondary palate development. We found that cleft palate pathogenesis in Pax9-deficient embryos is accompanied by significantly reduced expression of Axin2, an endogenous target of canonical Wnt signaling, in the developing palatal mesenchyme, particularly in the posterior regions of the palatal shelves...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28692806/microrna-155-3p-mediates-tnf-%C3%AE-inhibited-cementoblast-differentiation
#18
X Wang, H Sun, H Liao, C Wang, C Jiang, Y Zhang, Z Cao
Periodontitis is a prevalent and chronic inflammatory disease that is interrelated with systemic health. Periodontitis can be promoted by tumor necrosis factor α (TNF-α). Cementum, a vital part of the periodontium, is a bone-like mineralized tissue that is produced by cementoblasts. Our laboratory previously revealed that TNF-α inhibits cementoblast differentiation and mineralization. However, how TNF-α modulates cementoblast differentiation and mineralization remains largely unknown. MicroRNA-155 (miR-155) is induced and regulates TNF-α-inhibited osteogenic differentiation...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28689265/aerobic-glycolysis-hypothesis-through-wnt-beta-catenin-pathway-in-exudative-age-related-macular-degeneration
#19
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Exudative age-related macular degeneration (AMD) is characterized by molecular mechanisms responsible for the initiation of choroidal neovascularization (CNV). Inflammatory processes are associated with upregulation of the canonical WNT/beta-catenin pathway in exudative AMD. We focus this review on the link between WNT/beta-catenin pathway activation and neovascular progression in exudative AMD through activation of aerobic glycolysis for production of angiogenic factors. Increased WNT/beta-catenin pathway involves hexokinase 2 (HK2) and pyruvate kinase M2 (PKM2)...
July 8, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28685286/modulation-of-wnt-signaling-pathway-by-hepatitis-b-virus
#20
REVIEW
Muhammad Daud, Muhammad Adeel Rana, Tayyab Husnain, Bushra Ijaz
Hepatitis B virus (HBV) has a global distribution and is one of the leading causes of hepatocellular carcinoma. The precise mechanism of pathogenicity of HBV-associated hepatocellular carcinoma (HCC) is not yet fully understood. Viral-related proteins are known to take control of several cellular pathways like Wnt/β-catenin, TGF-β, Raf/MAPK and ROS for the virus's own replication. This affects cellular persistence, multiplication, migration, alteration and genomic instability. The Wnt/FZD/β-catenin signaling pathway plays a significant role in the pathology and physiology of the liver and has been identified as a main factor in HCC development...
July 6, 2017: Archives of Virology
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