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Wnt inflammation

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https://www.readbyqxmd.com/read/28748213/metabolic-reprogramming-underlies-metastatic-potential-in-an-obesity-responsive-murine-model-of-metastatic-triple-negative-breast-cancer
#1
Ciara H O'Flanagan, Emily L Rossi, Shannon B McDonell, Xuewen Chen, Yi-Hsuan Tsai, Joel S Parker, Jerry Usary, Charles M Perou, Stephen D Hursting
The vast majority of cancer-related deaths are due to metastatic disease, whereby primary tumor cells disseminate and colonize distal sites within the body. Triple negative breast cancer typically displays aberrant Wnt signaling, lacks effective targeted therapies, and compared with other breast cancer subtypes, is more likely to recur and metastasize. We developed a Wnt-driven lung metastasis model of triple negative breast cancer (metM-Wnt(lung)) through serial passaging of our previously described, nonmetastatic, claudin-low M-Wnt cell line...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28747340/epithelial-tnf-receptor-signaling-promotes-mucosal-repair-in-inflammatory-bowel-disease
#2
Emily M Bradford, Stacy H Ryu, Ajay Pal Singh, Goo Lee, Tatiana Goretsky, Preetika Sinh, David B Williams, Amber L Cloud, Elias Gounaris, Vihang Patel, Olivia F Lamping, Evan B Lynch, Mary Pat Moyer, Isabelle G De Plaen, David J Shealy, Guang-Yu Yang, Terrence A Barrett
TNF plays an integral role in inflammatory bowel disease (IBD), as evidenced by the dramatic therapeutic responses in Crohn's disease (CD) patients induced by chimeric anti-TNF mAbs. However, treatment of CD patients with etanercept, a decoy receptor that binds soluble TNF, fails to improve disease. To explore this discrepancy, we investigated the role of TNF signaling in Wnt/β-catenin-mediated intestinal stem cell and progenitor cell expansion in CD patients, human cells, and preclinical mouse models. We hypothesized that TNF exerts beneficial effects on intestinal epithelial cell (IEC) responses to injury...
July 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28735706/amniotic-fluid-transcriptomics-reflects-novel-disease-mechanisms-in-fetuses-with-myelomeningocele
#3
Tomo Tarui, Aimee Kim, Alan Flake, Lauren Mcclain, John Stratigis, Inbar Fried, Rebecca Newman, Donna K Slonim, Diana W Bianchi
BACKGROUND: Cell-free (cf) RNA in amniotic fluid supernatant (AFS) reflects developmental changes in gene expression in the living fetus, including genes specific to the central nervous system (CNS). Although it has been previously shown that CNS-specific transcripts are present in AFS, it is not known whether changes in the AFS transcriptome reflect the specific pathophysiology of fetal CNS disorders. In myelomeningocele, there is open communication between the CNS and amniotic fluid...
July 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28723729/wnt-signaling-in-cardiovascular-disease-opportunities-and-challenges
#4
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/28717346/inflammatory-wnt5a-signalling-pathways-affecting-barrier-function-of-human-vascular-endothelial-cells
#5
Tom Skaria, Gabriele Schoedon
Wnt5A is a chemokine secreted by inflammatory-activated human macrophages that sustains their inflammatory response in an autocrine manner. High levels of Wnt5A are found in sera of patients with sepsis and septic shock. Here, we comment on recently reported Wnt5A signalling pathways in human vascular endothelial cells (VEC). In human VEC, Wnt5A regulates cytoskeleton remodelling and barrier function through Ryk receptor and Rho-associated protein serine/threonine kinase, targeting LIMK2 and CFL1 involved in actin polymerisation...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28714273/%C3%AE-catenin-regulation-of-farnesoid-x-receptor-signaling-and-bile-acid-metabolism-during-murine-cholestasis
#6
Michael D Thompson, Akshata Moghe, Pamela Cornuet, Rebecca Marino, Jianmin Tian, Pengcheng Wang, Xiaochao Ma, Marc Abrams, Joseph Locker, Satdarshan P S Monga, Kari Nejak-Bowen
Cholestatic liver diseases result from impaired bile flow and are characterized by inflammation, atypical ductular proliferation (ADP), and fibrosis. The Wnt/β-catenin pathway plays a role in bile duct development, yet its role in cholestatic injury remains indeterminate. Liver-specific β-catenin knockout (KO) mice and wild-type (WT) littermates were subjected to cholestatic injury via bile duct ligation or short-term exposure to 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) diet. Intriguingly, KO exhibit a dramatic protection from liver injury, fibrosis, and ADP, which coincided with significantly decreased total hepatic bile acids (BA)...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28714032/atf3-promotes-migration-and-m1-m2-polarization-of-macrophages-by-activating-tenascin%C3%A2-c-via-wnt-%C3%AE-%C3%A2-catenin-pathway
#7
Hao Sha, Dianzhong Zhang, Yunfei Zhang, Yanhua Wen, Yucai Wang
There are different polarization states of macrophages, including the classically activated M1 phenotype and the alternatively activated M2 phenotype. These have different functions in the inflammation process. Activating transcription factor 3 (ATF3) is a key transcriptional regulator that inhibits the inflammatory response. However, the effects of ATF3 on migration and anti‑inflammatory control mechanisms of macrophages have not been thoroughly investigated. The present study investigated the effect of ATF3 on macrophage migration and M1/M2 polarization...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28710530/proteomic-characterisation-reveals-active-wnt-signalling-by-human-multipotent-stromal-cells-as-a-key-regulator-of-beta-cell-survival-and-proliferation
#8
Miljan Kuljanin, Gillian I Bell, Stephen E Sherman, Gilles A Lajoie, David A Hess
AIMS/HYPOTHESIS: Novel strategies to stimulate the expansion of beta cell mass in situ are warranted for diabetes therapy. The aim of this study was to elucidate the secretome of human bone marrow (BM)-derived multipotent stromal cells (MSCs) with documented islet regenerative paracrine function. We hypothesised that regenerative MSCs will secrete a unique combination of protein factors that augment islet regeneration. METHODS: Human BM-derived MSCs were examined for glucose-lowering capacity after transplantation into streptozotocin-treated NOD/severe combined immunodeficiency (SCID) mice and segregated into samples with regenerative (MSC(R)) vs nonregenerative (MSC(NR)) capacity...
July 14, 2017: Diabetologia
https://www.readbyqxmd.com/read/28710407/role-of-insulin-receptor-substrates-in-the-progression-of-hepatocellular-carcinoma
#9
Yoshitaka Sakurai, Naoto Kubota, Iseki Takamoto, Atsushi Obata, Masahiko Iwamoto, Takanori Hayashi, Masakazu Aihara, Tetsuya Kubota, Hiroshi Nishihara, Takashi Kadowaki
Several cellular signaling pathways, including insulin/IGF signaling, are known to be activated in hepatocellular carcinoma (HCC). Here, we investigated the roles of insulin receptor substrate (Irs) 1 and Irs2, both of which are the major molecules to be responsible for transducing insulin/IGF signaling in the liver, in the development of HCC by inducing chemical carcinogenesis using diethylnitrosamine (DEN) in mice. The Irs1 mRNA and protein expressions were upregulated in the tumors, along with enhanced insulin signaling...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28708309/bone-healing-in-an-aged-murine-fracture-model-is-characterized-by-sustained-callus-inflammation-and-decreased-cell-proliferation
#10
John H Hebb, Jason W Ashley, Lee McDaniel, Luke A Lopas, John Tobias, Kurt D Hankenson, Jaimo Ahn
Geriatric fractures take longer to heal and heal with more complications than those of younger patients; however, the mechanistic basis for this difference in healing is not well understood. To improve this understanding, we investigated cell and molecular differences in fracture healing between 5 month-old (young adult) and 25 month-old (geriatric) mice healing utilizing high-throughput analysis of gene expression. Mice underwent bilateral tibial fractures and fracture calluses were harvested at 5, 10, and 20 days post fracture (DPF) for analysis...
July 14, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28707966/targeted-molecular-ablation-of-cancer-stem-cells-for-curing-gastrointestinal-cancers
#11
Yong Seok Kim, Ho Jae Lee, Jong-Min Park, Young-Min Han, Napapan Kangwan, Ji Young Oh, Dong Yoon Lee, Ki Baik Hahm
Abundance of the ATPase-binding cassette (ABC) transporters and deranged self-renewal pathways characterize the presence of cancer stem cells (CSCs) in gastrointestinal cancers (GI cancers), which play crucial roles in tumorigenesis, chemotherapy resistance, tumor recurrence, and cancer metastasis. Therefore, in order to ensure high cure rates, chemoquiescence, CSCs should be ablated. Recent advances in either understanding CSCs or biomarker identification enable scientists to develop techniques for ablating CSCs and clinicians to provide cancer cure, especially in GI cancers characterized by inflammation-driven carcinogenesis...
July 14, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28705915/microarray-analysis-of-bone-marrow-lesions-in-osteoarthritis-demonstrates-upregulation-of-genes-implicated-in-osteochondral-turnover-neurogenesis-and-inflammation
#12
Anasuya Kuttapitiya, Lena Assi, Ken Laing, Caroline Hing, Philip Mitchell, Guy Whitley, Abiola Harrison, Franklyn A Howe, Vivian Ejindu, Christine Heron, Nidhi Sofat
OBJECTIVE: Bone marrow lesions (BMLs) are well described in osteoarthritis (OA) using MRI and are associated with pain, but little is known about their pathological characteristics and gene expression. We evaluated BMLs using novel tissue analysis tools to gain a deeper understanding of their cellular and molecular expression. METHODS: We recruited 98 participants, 72 with advanced OA requiring total knee replacement (TKR), 12 with mild OA and 14 non-OA controls...
July 13, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28701962/the-effect-of-calendula-officinalis-on-oxidative-stress-and-bone-loss-in-experimental-periodontitis
#13
Mariana Dos Reis Lima, Amanda P Lopes, Conceição Martins, Gerly A C Brito, Virgínia C Carneiro, Paula Goes
Periodontitis is associated with reduced antioxidant capacity and increased oxidative damage. Oxidative stress induces inflammation and bone loss contributing to the pathological progression of periodontal disease. Calendula officinalis (CLO) has demonstrated anti-inflammatory and anti-oxidant activities. Therefore, the aim of this study was to evaluate the effect of CLO on oxidative stress and bone loss in rats subjected to experimental periodontitis (EP). For this, 72 male Wistar rats were divided into groups: Naïve, Saline (SAL) and CLO...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28695817/effects-of-periodontal-ligament-cells-on-alveolar-bone-metabolism-under-the-action-of-force-and-inflammatory-factors-and-its-molecular-mechanisms
#14
Huajing Zhang, Ding Zhang
Periodontal ligament may have independent response to orthodontic stimulation and thus initiate alveolar bone osteogenesis and osteoclasts. Orthodontic-induced alveolar bone remodeling has no bone loss,while inflammation can lead to alveolar bone loss,suggesting that force signal and inflammatory factors may induce the differentiation of undifferentiated cells in the periodontal ligament via different pathways. The strength of the force and the nature of the force (basal tension and fluid shear force) may affect the differentiation of periodontal ligament cells,and may produce antagonistic or synergistic effect with the inflammatory factors through complex autocrine and paracrine regulation,resulting in local bone reconstruction,which is manifested as bone deposition and bone absorption...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28685176/the-hormetic-functions-of-wnt-pathways-in-tubular-injury
#15
REVIEW
Elisabeth F Gröne, Giuseppina Federico, Peter J Nelson, Bernd Arnold, Hermann-Josef Gröne
Chronic tubulointerstitial damage with tubular epithelial atrophy and interstitial fibrosis is the hallmark of chronic kidney disease (CKD) and a predictor for progression of CKD.Several experiments have now provided evidence that the Wnt signaling pathways are significantly contributing to atrophy and fibrosis; in contrast, it also has been shown that the Wnt system fosters regenerative processes in acute tubular injury.We now have demonstrated that Dickkopf 3 (DKK3) is an agonist for canonical Wnt signaling in CKD and fosters chronic fibrosing inflammation of the tubulointerstitial compartment...
July 6, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28684793/differentiating-staphylococcus-aureus-from-escherichia-coli-mastitis-s-aureus-triggers-unbalanced-immune-dampening-and-host-cell-invasion-immediately-after-udder-infection
#16
Juliane Günther, Wolfram Petzl, Isabel Bauer, Siriluck Ponsuksili, Holm Zerbe, Hans-Joachim Schuberth, Ronald M Brunner, Hans-Martin Seyfert
The etiology determines quality and extent of the immune response after udder infection (mastitis). Infections with Gram negative bacteria (e.g. Escherichia coli) will quickly elicit strong inflammation of the udder, fully activate its immune defence via pathogen receptor driven activation of IκB/NF-κB signaling. This often eradicates the pathogen. In contrast, Gram-positive bacteria (e.g. Staphylococcus aureus) will slowly elicit a much weaker inflammation and immune response, frequently resulting in chronic infections...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28681242/the-potential-role-of-platelets-in-the-consensus-molecular-subtypes-of-colorectal-cancer
#17
REVIEW
Michael Lam, Jason Roszik, Preeti Kanikarla-Marie, Jennifer S Davis, Jeffrey Morris, Scott Kopetz, David G Menter
The consensus molecular subtypes (CMS) in colorectal cancer (CRC) represent distinct molecular subcategories of disease as reflected by comprehensive molecular profiling. The four CMS subtypes represent unique biology. CMS1 represents high immune infiltration. CMS2 demonstrates upregulation of canonical pathways such as WNT signaling. Widespread metabolic changes are seen in CMS3. CMS4 represents a mesenchymal phenotype with hallmark features including complement activation, matrix remodeling, angiogenesis, epithelial-mesechymal transition (EMT), integrin upregulation and stromal infiltration...
July 6, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28677503/peroxisome-proliferator-activated-receptor-gamma-ppar%C3%AE-as-a-target-for-concurrent-management-of-diabetes-and-obesity-related-cancer
#18
Mustapha Umar Imam, Qingqing Wang, Zhang Yida, Fudi Wang
BACKGROUND: Peroxisome proliferator-activated receptor gamma (PPARγ) is a member of the nuclear receptor superfamily of ligand-inducible transcription factors that regulate adipogenesis, lipid metabolism, cell proliferation, inflammation and insulin sensitization. Abnormalities in PPARγ signaling have been associated with obesity, diabetes and cancer. The use of agonists to manage these diseases has been limited by their side effects. Accordingly, dual or pan agonists targeting the PPARα or PPARα and PPARδ, respectively, in addition to the PPARγ have been developed to overcome these side effects...
July 4, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28676900/serum-levels-of-the-bone-turnover-markers-dickkopf-1-osteoprotegerin-and-tnf-%C3%AE-in-knee-osteoarthritis-patients
#19
Sicong Min, Chao Wang, Wanli Lu, Zhihong Xu, Dongquan Shi, Dongyang Chen, Huajian Teng, Qing Jiang
Knee osteoarthritis (KOA) is a common degenerative joint disease causing pain, stiffness, reduced motion, swelling, crepitus, and disability. Several inflammatory markers and cartilage degradation products can be used as biomarkers in OA. The key factors of bone metabolism in normal joint bone, dickkopf-1 (DKK1) and osteoprotegerin (OPG), interact with Wnt signaling pathway, balancing between bone absorption and bone reconstruction. TNF-α is a key inducer of DKK-1, which belongs to the family of proteins involved in joint remodeling...
July 4, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28667660/signaling-pathways-and-their-mirna-regulators-involved-in-the-etiopathology-of-idiopathic-pulmonary-fibrosis-ipf-and-hypersensitivity-pneumonitis-hp
#20
Justyna Kiszałkiewicz, Wojciech Piotrowski, Ewa Brzeziańska-Lasota
Idiopathic pulmonary fibrosis (IPF) and hypersensitivity pneumonitis (HP) belong to heterogenic group of interstitial lung diseases (ILD). For the reason that this group of diseases present with complex clinical non-specific features, they represent a diagnostic and therapeutic challenge. In this review we focus on several crucial signaling pathways participating in inflammation, fibrosis and EMT processes, so important in the course of ILD: TNF-α/NFκβ, TGF-β/SMAD, Wnt-β-catenin and PI3K-Akt signaling...
2017: Advances in Respiratory Medicine
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