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Wnt inflammation

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https://www.readbyqxmd.com/read/29163854/interactions-between-tgf-%C3%AE-1-canonical-wnt-%C3%AE-catenin-pathway-and-ppar-%C3%AE-in-radiation-induced-fibrosis
#1
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Radiation therapy induces DNA damage and inflammation leading to fibrosis. Fibrosis can occur 4 to 12 months after radiation therapy. This process worsens with time and years. Radiation-induced fibrosis is characterized by fibroblasts proliferation, myofibroblast differentiation, and synthesis of collagen, proteoglycans and extracellular matrix. Myofibroblasts are non-muscle cells that can contract and relax. Myofibroblasts evolve towards irreversible retraction during fibrosis process. In this review, we discussed the interplays between transforming growth factor-β1 (TGF-β1), canonical WNT/β-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR γ) in regulating the molecular mechanisms underlying the radiation-induced fibrosis, and the potential role of PPAR γ agonists...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29162699/dnajb1-prkaca-fusion-kinase-interacts-with-%C3%AE-catenin-and-the-liver-regenerative-response-to-drive-fibrolamellar-hepatocellular-carcinoma
#2
Edward R Kastenhuber, Gadi Lalazar, Shauna L Houlihan, Darjus F Tschaharganeh, Timour Baslan, Chi-Chao Chen, David Requena, Sha Tian, Benedikt Bosbach, John E Wilkinson, Sanford M Simon, Scott W Lowe
A segmental deletion resulting in DNAJB1-PRKACA gene fusion is now recognized as the signature genetic event of fibrolamellar hepatocellular carcinoma (FL-HCC), a rare but lethal liver cancer that primarily affects adolescents and young adults. Here we implement CRISPR-Cas9 genome editing and transposon-mediated somatic gene transfer to demonstrate that expression of either the endogenous fusion protein or a chimeric cDNA leads to the formation of indolent liver tumors in mice that closely resemble human FL-HCC...
November 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29137395/lithium-chloride-inhibits-titanium-particle-induced-osteoclastogenesis-by-inhibiting-the-nf-%C3%AE%C2%BAb-pathway
#3
Xuanyang Hu, Zhirong Wang, Jiawei Shi, Xiaobin Guo, Liangliang Wang, Zichuan Ping, Yunxia Tao, Huilin Yang, Jun Zhou, Yaozeng Xu, Dechun Geng
Osteoclast over-activation and inflammation responses promote peri-implant osteolysis (PIO), which is the leading cause of aseptic artificial joint loosening. We examined the effect of lithium chloride (LiCl) on wear debris-induced osteoclastogenesis and inflammation. Fifty-Six C57BL/6J male mice were randomly distributed into four groups: sham control (sham, treated with phosphate buffered saline [PBS]), vehicle (treated with titanium/PBS), low-LiCl (L-LiCl, titanium: 50 mg/kg LiCl) and high-LiCl (H-LiCl, titanium: 200 mg/kg LiCl)...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29129684/rhoa-gtpase-controls-yap-mediated-ereg-signaling-in-small-intestinal-stem-cell-maintenance
#4
Ming Liu, Zheng Zhang, Leesa Sampson, Xuan Zhou, Kodandaramireddy Nalapareddy, Yuxin Feng, Shailaja Akunuru, Jaime Melendez, Ashley Kuenzi Davis, Feng Bi, Hartmut Geiger, Mei Xin, Yi Zheng
RHOA, a founding member of the Rho GTPase family, is critical for actomyosin dynamics, polarity, and morphogenesis in response to developmental cues, mechanical stress, and inflammation. In murine small intestinal epithelium, inducible RHOA deletion causes a loss of epithelial polarity, with disrupted villi and crypt organization. In the intestinal crypts, RHOA deficiency results in reduced cell proliferation, increased apoptosis, and a loss of intestinal stem cells (ISCs) that mimic effects of radiation damage...
November 6, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29128706/consumption-of-ellagic-acid-and-dihydromyricetin-synergistically-protects-against-uv-b-induced-photoaging-possibly-by-activating-both-tgf-%C3%AE-1-and-wnt-signaling-pathways
#5
Na Rang Moon, Suna Kang, Sunmin Park
Ellagic acid (EGA) and dihydromyricetin (DHM) are both found in fruits and vegetables are used for anti-aging treatment for the skin. The anti-photoaging efficacy of EGA and DHM was investigated in UV-B irradiated skin in vivo and the involvement of transforming growth factor (TGF)-β1 and wnt signaling pathways were examined in vitro. HaCaT cells were treated with either 50μM EGA, 50μM DHM or 25μM EGA+25μM DHM before 100mJ/cm(2) UV-B exposure, and then oxidative stress and inflammation was measured. The involvement of TGF-β1 and wnt signaling was measured using their inhibitors, respectively, in HaCaT cells...
November 7, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29121993/transcriptomic-analyses-reveal-the-underlying-pro-malignant-functions-of-pthr1-for-osteosarcoma-via-activation-of-wnt-and-angiogenesis-pathways
#6
Shenglong Li, Yujin Dong, Ke Wang, Zhe Wang, Xiaojing Zhang
BACKGROUND: Increasing evidence has indicated parathyroid hormone type 1 receptor (PTHR1) plays important roles for the development and progression of osteosarcoma (OS). However, its function mechanisms remain unclear. The goal of this study was to further illuminate the roles of PTHR1 in OS using microarray data. METHODS: Microarray data were available from the Gene Expression Omnibus database under the accession number GSE46861, including six tumors from mice with PTHR1 knockdown (PTHR1...
November 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29113952/do-all-roads-lead-to-the-rome-the-glycation-perspective
#7
REVIEW
Saheem Ahmad, Firoz Akhter, Uzma Shahab, Zeeshan Rafi, Mohd Sajid Khan, Rabia Nabi, Mohd Salman Khan, Khurshid Ahmad, Jalaluddin Mohammad Ashraf, Moinuddin
Oxidative, carbonyl, and glycative stress have gained substantial attention recently for their alleged influence on cancer progression. Oxidative stress can trigger variable transcription factors, such as nuclear factor erythroid-2-related factor (Nrf2), nuclear factor kappa B (NF-κB), protein-53 (p-53), activating protein-1 (AP-1), hypoxia-inducible factor-1α (HIF-1α), β-catenin/Wnt and peroxisome proliferator-activated receptor-γ (PPAR-γ). Activated transcription factors can lead to approximately 500 different alterations in gene expression, and can alter expression patterns of inflammatory cytokines, growth factors, regulatory cell cycle molecules, and anti-inflammatory molecules...
November 4, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29113510/interrelationship-of-canonical-and-non-canonical-wnt-signalling-pathways-in-chronic-metabolic-diseases
#8
Ian Ackers, Ramiro Malgor
Chronic diseases account for approximately 45% of all deaths in developed countries and are particularly prevalent in countries with the most sophisticated and robust public health systems. Chronic metabolic diseases, specifically lifestyle-related diseases pertaining to diet and exercise, continue to be difficult to treat clinically. The most prevalent of these chronic metabolic diseases include obesity, diabetes, non-alcoholic fatty liver disease, chronic kidney disease and cardiovascular disease and will be the focus of this review...
November 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/29095436/rna-sequencing-based-comparative-analysis-of-human-hepatic-progenitor-cells-and-their-niche-from-alcoholic-steatohepatitis-livers
#9
An Ceulemans, Stefaan Verhulst, Matthias Van Haele, Olivier Govaere, Juan-Jose Ventura, Leo A van Grunsven, Tania Roskams
Hepatic progenitor cells (HPCs) are small cells with a relative large oval nucleus and a scanty cytoplasm situated in the canals of Hering that express markers of (immature) hepatocytes and cholangiocytes. HPCs are present in large numbers in alcoholic steatohepatitis (ASH), one of the leading causes of chronic liver disease. To date, the mechanisms responsible for proliferation and differentiation of human HPCs are still poorly understood and the role of HPCs in ASH development is unknown. In this study, we aimed to characterise human HPCs and their interactions with other cells through comparison, on both protein and RNA level, of HPC-enriched cell populations from adult human liver tissue using different isolation methods...
November 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29072367/reappraisal-of-metallothionein-clinical-implications-for-patients-with-diabetes-mellitus
#10
REVIEW
Yongsoo Park, Jian Zhang, Lu Cai
Reactive oxygen and nitrogen species (ROS/RNS) are by-products of cellular physiological processes made from the metabolisms of intermediary nutrients. Although physiological defense mechanisms readily convert these species into water or urea, improper balance between their production and removal leads cells to experience oxidative stress (OS), which is harmful to cellular components. This may result in uncontrolled growth or ultimately to cell death. ROS/RNS are also closely related to the development of diabetes and its complications...
October 26, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/29066299/%C3%AE-elemene-attenuates-macrophage-activation-and-proinflammatory-factor-production-via-crosstalk-with-wnt-%C3%AE-catenin-signaling-pathway
#11
Yangyi Fang, Yanhua Kang, Han Zou, Xiaxuan Cheng, Tian Xie, Liyun Shi, Hang Zhang
β-elemene, extracted from Rhizoma zedoariae, has been widely used as a traditional medicine for its antitumor activity against a broad range of cancers. However, the effect of β-elemene in inflammation disorders has yet to be determined. The present study was designed to investigate the anti-inflammatory effects and potential molecular mechanisms of β-elemene in lipopolysaccharide (LPS)-induced murine macrophage cells RAW264.7. We found that the production of pro-inflammatory mediators, including interleukin-6(IL-6), tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β), induced by LPS was significantly suppressed by β-elemene in a dose-dependent manner in RAW264...
October 21, 2017: Fitoterapia
https://www.readbyqxmd.com/read/29023813/dual-catenin-loss-in-murine-liver-causes-tight-junctional-deregulation-and-progressive-intrahepatic-cholestasis
#12
Tirthadipa Pradhan-Sundd, Lili Zhou, Ravi Vats, An Jiang, Laura Molina, Sucha Singh, Minakshi Poddar, Jacquelyn M Russell, Donna B Stolz, Michael Oertel, Udayan Apte, Simon Watkins, Sarangarajan Ranganathan, Kari N Nejak-Bowen, Prithu Sundd, Satdarshan P Monga
β-Catenin, the downstream effector of the Wnt signaling, plays important roles in hepatic development, regeneration and tumorigenesis. However, its role at hepatocyte adherens junctions (AJ) is relatively poorly understood, chiefly due to spontaneous compensation by γ-catenin. Here, we simultaneously ablate β- and γ-catenin expression in mouse liver by interbreeding β-catenin-γ-catenin double-floxed mice and albumin-cre transgenic mice. Double knockout mice (DKO) show failure to thrive, impaired hepatocyte differentiation, cholemia, ductular reaction, progressive cholestasis, inflammation, fibrosis and tumorigenesis, which was associated with deregulation of tight junctions (TJ) and bile acid transporters, leading to early morbidity and mortality, a phenotype reminiscent of Progressive Familial Intrahepatic Cholestasis (PFIC)...
October 10, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28981597/effects-of-cannabidiol-interactions-with-wnt-%C3%AE-catenin-pathway-and-ppar%C3%AE-on-oxidative-stress-and-neuroinflammation-in-alzheimer-s-disease
#13
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Alzheimer's disease (AD) is a neurodegenerative disease, in which the primary etiology remains unknown. AD presents amyloid beta (Aβ) protein aggregation and neurofibrillary plaque deposits. AD shows oxidative stress and chronic inflammation. In AD, canonical Wingless-Int (Wnt)/β-catenin pathway is downregulated, whereas peroxisome proliferator-activated receptor γ (PPARγ) is increased. Downregulation of Wnt/β-catenin, through activation of glycogen synthase kinase-3β (GSK-3β) by Aβ, and inactivation of phosphatidylinositol 3-kinase/Akt signaling involve oxidative stress in AD...
October 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28978116/modulation-of-dkk-3-and-claudin-5-as-new-therapeutic-strategy-in-the-treatment-of-meningiomas
#14
Maria Caffo, Emanuela Esposito, Valeria Barresi, Gerardo Caruso, Salvatore M Cardali, Mariagrazia Rinaldi, Raffaella Mallamace, Michela Campolo, Giovanna Casili, Alfredo Conti, Antonino Germanò, Salvatore Cuzzocrea, Letteria Minutoli
Meningiomas are the most common tumors of the central nervous system, where the incidence is around 25% of all primary brain tumors. The optimal treatment is represented by total resection accompanied by the removal of the dura mater and bone when infiltrated by the tumor. The histological grading is the most important prognostic factor in the outcome. However, recurrences do occur in a significant proportion (10-25%) of cases, representing the most relevant clinical complication. Molecular therapies are providing to give different opportunities in the development of new treatments...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28971515/serum-proteomic-assessment-of-the-progression-of-fracture-healing
#15
Amira I Hussein, Christian Mancini, Kyle E Lybrand, Margaret E Cooke, Heather E Matheny, Brenna L Hogue, Paul Tornetta, Louis C Gerstenfeld
A targeted proteomic analysis of murine serum over a 35-day course of fracture healing was carried out to determine if serum proteomic changes could be used to monitor the biological progression of fracture healing. Transverse, closed femoral fractures where generated and stabilized with intramedullary fixation. A single stranded DNA aptamer-based multiplexed proteomic approach was used to assay 1,310 proteins. The transcriptomic profiles for genes matching the 1,310 proteins were obtained by microarray analysis of callus mRNA...
October 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28963928/inflammatory-cytokine-of-il-1%C3%AE-is-involved-in-t-2-toxin-triggered-chondrocyte-injury-and-metabolism-imbalance-by-the-activation-of-wnt-%C3%AE-catenin-signaling
#16
Yanhai Chang, Xiao Wang, Zhengming Sun, Zhankui Jin, Ming Chen, Xiaoqing Wang, Mikko J Lammi, Xiong Guo
Mycotoxin T-2 exerts a causative role in Kashin-Beck disease (KBD) suffering chondrocyte apoptosis and cartilage matrix homeostasis disruption. Recent research corroborated the aberrant levels of pro-inflammatory cytokine IL-1ß in KBD patients and mycotoxin environment. In the present study, we investigated the relevance of IL-1ß in T-2 toxin-evoked chondrocyte cytotoxic injury and aberrant catabolism. High levels of IL-1ß were detected in serum and cartilages from KBD patients and in T-2-stimulated chondrocytes...
November 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28960195/doxycycline-induces-bone-repair-and-changes-in-wnt-signalling
#17
Kátia do Nascimento Gomes, Ana Paula Negreiros Nunes Alves, Paula Góes Pinheiro Dutra, Glauce Socorro de Barros Viana
Doxycycline (DOX) exhibits anti-inflammatory and MMP inhibitory properties. The objectives of this study were to evaluate the effects of DOX on alveolar bone repair. Controls (CTL) and DOX-treated (10 and 25 mg·kg(-1)) molars were extracted, and rats were killed 7 or 14 days later. The maxillae were processed and subjected to histological and immunohistochemical assays. Hematoxylin-eosin staining (7th day) revealed inflammation in the CTL group that was partly reversed after DOX treatment. On the 14th day, the CTL group exhibited bone neoformation, conjunctive tissue, re-epithelization and the absence of inflammatory infiltrate...
September 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28947991/plasma-protein-profiling-in-patients-undergoing-coronary-artery-bypass-grafting-surgery-and-clinical-significance
#18
Zhi-Peng Guo, Hai-Tao Hou, Rui Jing, Zhen-Guo Song, Xiao-Cheng Liu, Guo-Wei He
This study was designed to identify the protein profiling in patients with triple vessel coronary artery disease (CAD) undergoing CABG, in order to detect CAD-related differential proteins in these patients. CABG patients with triple vessel disease with/without left main stenosis (n =160) were compared to normal coronary angiographic subjects (n =160). Plasma samples of 20 males and 20 females in each group were analyzed with iTRAQ technique. ELISA test was used to test the chosen proteins from iTRAQ results in plasma samples from a new cohort of the CABG group (n=120, male/femal=61/59) and control (n =120, male/female=60/60)...
September 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28943877/%C3%AE-catenin-directs-nuclear-factor-%C3%AE%C2%BAb-p65-output-via-creb-binding-protein-p300-in-human-airway-smooth-muscle
#19
Tim Koopmans, Roos Eilers, Mark Menzen, Andrew Halayko, Reinoud Gosens
β-Catenin is a multifunctional protein that apart from its role in proliferative and differentiation events, also acts upon inflammatory processes, mainly via interaction with nuclear factor-κB (NF-κB). However, there is still controversy as to whether β-catenin facilitates or represses NF-κB output. Insights into the molecular mechanisms underlying the interaction between β-catenin and NF-κB have highlighted the cofactors CREB-binding protein (CBP) and p300 as important candidates. Here, we hypothesized that the interaction of β-catenin with CBP/p300 directs NF-κB output...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28943450/pathological-features-of-primary-sclerosing-cholangitis-identified-by-bile-proteomic-analysis
#20
C Rupp, K A Bode, Y Leopold, P Sauer, D N Gotthardt
Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease of unknown origin. Previous bile proteomic analyses in patients with PSC have revealed changes in disease activity specific to malignant transformation. In this study, we established a reference bile duct-derived bile proteome for PSC that can be used to evaluate biliary pathophysiology. Samples were collected from patients with PSC or with choledocholithiasis (control) (n=6 each). Furthermore, patients with PSC-associated cholangiocarcinoma (CC) and with CC without concomitant PSC were analyzed...
September 22, 2017: Biochimica et Biophysica Acta
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