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https://www.readbyqxmd.com/read/28630526/discriminating-value-of-calprotectin-in-disease-activity-and-progression-of-nonradiographic-axial-spondyloarthritis-and-ankylosing-spondylitis
#1
Jinxian Huang, Zhihua Yin, Guoxiang Song, Shengjin Cui, Jinzhao Jiang, Lijun Zhang
It has been controversial whether ankylosing spondylitis (AS) and nonradiographic axial spondyloarthritis (nr-axSpA) are separate or different phases of radiographic progression. We determined that serum calprotectin level (ng/ml) was higher in AS (15.30 ± 6.49) and nr-axSpA (17.76 ± 8.59) patients than in healthy individuals (7.40 ± 2.67). No difference was observed in calprotectin level between these two groups. Elevated calprotectin was positively correlated with ESR, CRP, BASDAI, and ASDAS as well as SPARCC scoring and had no correlation with BASFI and mSASSS...
2017: Disease Markers
https://www.readbyqxmd.com/read/28612481/review-biological-and-molecular-differences-between-tail-regeneration-and-limb-scarring-in-lizard-an-inspiring-model-addressing-limb-regeneration-in-amniotes
#2
REVIEW
Lorenzo Alibardi
Tissue regeneration in lizards represents a unique model of regeneration and scarring in amniotes. The tail and limb contain putative stem cells but also dedifferentiating cells contribute to regeneration. Following tail amputation, inflammation is low and cell proliferation high, leading to regeneration while the intense inflammation in the limb leads to low proliferation and scarring. FGFs stimulate tail and limb regeneration and are present in the wound epidermis and blastema while they disappear in the limb wound epidermis 2-3 weeks postamputation in the scarring outgrowth...
June 14, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28588349/distinct-roles-of-wnt-%C3%AE-catenin-signaling-in-the-pathogenesis-of-chronic-obstructive-pulmonary-disease-and-idiopathic-pulmonary-fibrosis
#3
REVIEW
Juan Shi, Feng Li, Meihui Luo, Jun Wei, Xiaoming Liu
Wnt signaling pathways are tightly controlled under a physiological condition, under which they play key roles in many biological functions, including cell fate specification and tissue regeneration. Increasing lines of evidence recently demonstrated that a dysregulated activation of Wnt signaling, particularly the Wnt/β-catenin signaling, was involved in the pathogenesis of chronic pulmonary diseases, such as chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF). In this respect, Wnt signaling interacts with other cellular signaling pathways to regulate the initiation and pathogenic procedures of airway inflammation and remodeling, pulmonary myofibroblast proliferation, epithelial-to-mesenchymal transition (EMT), and development of emphysema...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28578904/role-of-ras-wnt-%C3%AE-catenin-axis-activation-in-the-pathogenesis-of-podocyte-injury-and-tubulo-interstitial-nephropathy
#4
Lin Chen, Dan-Qian Chen, Ming Wang, Dan Liu, Hua Chen, Fang Dou, Nosratola D Vaziri, Ying-Yong Zhao
Renin-angiotensin system (RAS) plays a key role in the development and progression of chronic kidney disease (CKD). Recent studies have demonstrated activation of Wnt/β-catenin pathway by RAS in CKD. However, the underlying mechanisms of RAS and Wnt/β-catenin signaling interaction and their contribution to the pathogenesis of CKD have not been fully elucidated. Present study is designed to investigate the role of RAS/Wnt/β-catenin axis activation in tubulo-interstitial fibrosis and glomerulosclerosis by the cultured HK-2 and podocytes...
June 2, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28576832/eet-intervention-on-wnt1-nov-and-ho-1-signaling-prevents-obesity-induced-cardiomyopathy-in-obese-mice
#5
Jian Cao, Shailendra P Singh, John McClung, Gregory Joseph, Luca Vanella, Ignazio Barbagallo, Houli Jiang, John R Falck, Michael Arad, Joseph I Shapiro, Nader G Abraham
We have previously reported that epoxyeicosatrienoic acid (EET) has multiple beneficial effects on vascular function, in addition to its anti-apoptotic action, it increases insulin sensitivity and inhibits inflammation. To uncover the signaling mechanisms by which EET reduces cardiomyopathy, we hypothesized that EET infusion might ameliorate obesity-induced cardiomyopathy by improving HO-1, Wnt1, thermogenic gene levels and mitochondrial integrity in cardiac tissues and improved pericardial fat phenotype. EET reduced levels of fasting blood glucose, and pro-inflammatory adipokines including NOV signaling while increasing echocardiographic fractional shortening and O2 consumption...
June 2, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28560436/differences-in-molecular-regulation-between-osteochondroma-and-bizarre-parosteal-osteochondromatous-proliferation
#6
Xinrong Zhou, Lihui Deng, Xinsheng Han, Yi Chen, Jiao Wang, Shengnan Du
The differences in molecular mechanisms between osteochondroma and bizarre parosteal osteochondromatous proliferation (BPOP) remain to be fully elucidated. In the present study, the differentially expressed genes between BPOP and osteochondroma were obtained from the Gene Expression Omnibus online database, and the associations among these genes were analyzed using the Database for Annotation, Visualization, and Integrated Discovery (DAVID) online bioinformatics software. The results revealed several differentially expressed genes between human BPOP and osteochondroma...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28558659/the-cyprinodon-variegatus-genome-reveals-gene-expression-changes-underlying-differences-in-skull-morphology-among-closely-related-species
#7
Ezra S Lencer, Wesley C Warren, Richard Harrison, Amy R McCune
BACKGROUND: Understanding the genetic and developmental origins of phenotypic novelty is central to the study of biological diversity. In this study we identify modifications to the expression of genes at four developmental stages that may underlie jaw morphological differences among three closely related species of pupfish (genus Cyprinodon) from San Salvador Island, Bahamas. Pupfishes on San Salvador Island are trophically differentiated and include two endemic species that have evolved jaw morphologies unlike that of any other species in the genus Cyprinodon...
May 30, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28553937/stem-cell-plasticity-enables-hair-regeneration-following-lgr5-cell-loss
#8
Joerg D Hoeck, Brian Biehs, Antonina V Kurtova, Noelyn M Kljavin, Felipe de Sousa E Melo, Bruno Alicke, Hartmut Koeppen, Zora Modrusan, Robert Piskol, Frederic J de Sauvage
Under injury conditions, dedicated stem cell populations govern tissue regeneration. However, the molecular mechanisms that induce stem cell regeneration and enable plasticity are poorly understood. Here, we investigate stem cell recovery in the context of the hair follicle to understand how two molecularly distinct stem cell populations are integrated. Utilizing diphtheria-toxin-mediated cell ablation of Lgr5(+) (leucine-rich repeat-containing G-protein-coupled receptor 5) stem cells, we show that killing of Lgr5(+) cells in mice abrogates hair regeneration but this is reversible...
June 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28550196/il-6-signaling-regulates-small-intestinal-crypt-homeostasis
#9
Victoria Jeffery, Andrew J Goldson, Jack R Dainty, Marcello Chieppa, Anastasia Sobolewski
Gut homeostasis is a tightly regulated process requiring finely tuned complex interactions between different cell types, growth factors, or cytokines and their receptors. Previous work has implicated a role for IL-6 and mucosal immune cells in intestinal regeneration following injury and in promoting inflammation and cancer. We hypothesized that IL-6 signaling could also modulate crypt homeostasis. Using mouse in vitro crypt organoid and in vivo models, this study first demonstrated that exogenous IL-6 promoted crypt organoid proliferation and increased stem cell numbers through pSTAT3 activation in Paneth cells...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28542447/exploratory-plasma-proteomic-analysis-in-a-randomized-crossover-trial-of-aspirin-among-healthy-men-and-women
#10
Xiaoliang Wang, Ali Shojaie, Yuzheng Zhang, David Shelley, Paul D Lampe, Lisa Levy, Ulrike Peters, John D Potter, Emily White, Johanna W Lampe
Long-term use of aspirin is associated with lower risk of colorectal cancer and other cancers; however, the mechanism of chemopreventive effect of aspirin is not fully understood. Animal studies suggest that COX-2, NFκB signaling and Wnt/β-catenin pathways may play a role, but no clinical trials have systematically evaluated the biological response to aspirin in healthy humans. Using a high-density antibody array, we assessed the difference in plasma protein levels after 60 days of regular dose aspirin (325 mg/day) compared to placebo in a randomized double-blinded crossover trial of 44 healthy non-smoking men and women, aged 21-45 years...
2017: PloS One
https://www.readbyqxmd.com/read/28529460/wif1-prevents-wnt5a-mediated-limk-cfl-phosphorylation-and-adherens-junction-disruption-in-human-vascular-endothelial-cells
#11
Tom Skaria, Esther Bachli, Gabriele Schoedon
BACKGROUND: Wnt5A is released by activated macrophages and elevated levels have been detected in sepsis patients with severe systemic inflammation. However, the signalling and functional effects of Wnt5A in the vascular endothelial cells (VEC) remained unclear. Recently, we showed that Wnt5A affects barrier function in human VEC through Ryk interaction. Wnt5A/Ryk signalling activates LIMK to inactivate the actin depolymerisation factor CFL by phosphorylation, promotes actin polymerisation and disrupts endothelial adherens junctions...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28525976/the-adaptation-of-colorectal-cancer-cells-when-forming-metastases-in-the-liver-expression-of-associated-genes-and-pathways-in-a-mouse-model
#12
Derya Bocuk, Alexander Wolff, Petra Krause, Gabriela Salinas, Annalen Bleckmann, Christina Hackl, Tim Beissbarth, Sarah Koenig
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related death in men and women. Systemic disease with metastatic spread to distant sites such as the liver reduces the survival rate considerably. The aim of this study was to investigate the changes in gene expression that occur on invasion and expansion of CRC cells when forming metastases in the liver. METHODS: The livers of syngeneic C57BL/6NCrl mice were inoculated with 1 million CRC cells (CMT-93) via the portal vein, leading to the stable formation of metastases within 4 weeks...
May 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28509407/il-1%C3%AE-inhibits-osteogenesis-of-human-bone-marrow-derived-mesenchymal-stem-cells-by-activating-foxd3-microrna-496-to-repress-wnt-signaling
#13
Jian Huang, Liang Chen
IL-1β, a major cytokine of pro-inflammatory response, has been implicated in bone loss. However, its effects on mesenchymal progenitor cells-associated bone regeneration remain elusive. Here, we investigated the role of microRNA for the regulation of osteogenesis by IL-1β in human bone marrow-derived mesenchymal stem cells (hBMMSC). Our data suggested homo sapiens (hsa)-miR-496 is induced by IL-1β in hBMMSC and mediates the decreased β-catenin expression. Reporter assays using the 3'-UTR of β-catenin demonstrated sequence-dependent gene suppression with hsa-miR-496...
May 16, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28506911/mangiferin-protects-against%C3%A2-%C3%A2-intestinal-ischemia-reperfusion-induced-%C3%A2-liver-injury-%C3%A2-%C3%A2-involvement-of-ppar-%C3%A2-%C3%AE-gsk-3%C3%AE-and-wnt-%C3%AE-catenin-pathway%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#14
Shorouk M El-Sayyad, Ayman A Soubh, Azza S Awad, Hanan S El-Abhar
AIM: Mangiferin (MF), a xanthonoid from Mangifera indica, possesses anti-inflammatory, immunomodulatory, and potent antioxidant effects; however, its protective effect against mesenteric ischemia/reperfusion (I/R)-induced liver injury has not been fully clarified. The study was designed to assess the possible mechanism of action of MF against mesenteric I/R model. MAIN METHODS: Male Wister rats were treated with MF (20mg/kg, i.p) or the vehicle for 3 days before I/R, which was induced by clamping the superior mesenteric artery for 30min followed by declamping for 60min...
May 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28467491/the-gene-expression-profile-of-a-drug-metabolism-system-and-signal-transduction-pathways-in-the-liver-of-mice-treated-with-tert-butylhydroquinone-or-3-3-tert-butyl-4-hydroxyphenyl-propylthiosulfonate-of-sodium
#15
Alexandra B Shintyapina, Valentin A Vavilin, Olga G Safronova, Vyacheslav V Lyakhovich
Tert-butylhydroquinone (tBHQ) is a highly effective phenolic antioxidant used in edible oils and fats in foods as well as in medicines and cosmetics. TBHQ has been shown to have both chemoprotective and carcinogenic effects. Furthermore, it has potential anti-inflammatory, antiatherogenic, and neuroprotective activities. TBHQ induces phase II detoxification enzymes via the Keap1/Nrf2/ARE mechanism, which contributes to its chemopreventive functions. Nonetheless, there is growing evidence that biological effects of tBHQ may be mediated by Nrf2-independent mechanisms related to various signaling cascades...
2017: PloS One
https://www.readbyqxmd.com/read/28466138/a-translational-approach-from-an-animal-model-identifies-cd80-as-a-candidate-gene-for-the-study-of-bone-phenotypes-in-postmenopausal-women
#16
L Panach, E Serna, J J Tarín, A Cano, M Á García-Pérez
This study represented a translational study that first compared gene expression of B cells of BM from ovariectomized and control mice, and then analyzed some of the differentially expressed genes in women. Results showed novel genetic associations with bone phenotypes and points to the CD80 gene as relevant in postmenopausal bone loss. INTRODUCTION: Osteoporosis is a multifactorial disease with a strong genetic component. However, to date, research into osteoporosis has only been able to explain a small part of its heritability...
May 2, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28459386/linking-wnt-signaling-to-mucosal-inflammation
#17
Rita Costa, Melanie Königshoff
No abstract text is available yet for this article.
May 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28455497/decreased-circulating-levels-of-dickkopf-1-in-patients-with-exudative-age-related-macular-degeneration
#18
Fangfang Qiu, Zhen Liu, Yueping Zhou, Jia He, Songjian Gong, Xue Bai, Yingxia Zeng, Zuguo Liu, Jian-Xing Ma
Aberrant activation of the Wnt/β-catenin signaling pathway plays a pathogenic role in retinal inflammation and neovascularization. Here, we investigated whether circulating levels of Dickkopf-1 (DKK-1), a specific inhibitor of this pathway, are altered in patients with exudative age-related macular degeneration (AMD). Plasma was obtained from 128 patients with exudative AMD, 46 patients with atrophic AMD and 111 healthy controls. DKK-1 levels in plasma were measured using ELISA, and data analyzed with one-way ANOVA, logistic regression analysis and receiver-operating characteristic analysis (ROC)...
April 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28453961/diabetic-nephropathy-new-insights-into-established-therapeutic-paradigms-and-novel-molecular-targets
#19
REVIEW
Dilip Sharma, Pallab Bhattacharya, Kiran Kalia, Vinod Tiwari
Diabetic nephropathy is one of the most prevalent microvascular complication in patients suffering from diabetes and is reported to be the major cause of renal failure when compared to any other kidney disease. Currently, available therapies provide only symptomatic relief and unable to treat the underlying pathophysiology of diabetic nephropathy. This review will explore new insights into the established therapeutic paradigms targeting oxidative stress, inflammation and endoplasmic reticulum stress with the focus on recent clinical developments...
June 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28427524/kallistatin-suppresses-cancer-development-by-multi-factorial-actions
#20
REVIEW
Julie Chao, Pengfei Li, Lee Chao
Kallistatin was first identified in human plasma as a tissue kallikrein-binding protein and a serine proteinase inhibitor. Kallistatin via its two structural elements regulates differential signaling cascades, and thus a wide spectrum of biological functions. Kallistatin's active site is essential for: inhibiting tissue kallikrein's activity; stimulating endothelial nitric oxide synthase and sirtuin 1 expression and activation; and modulating the synthesis of the microRNAs, miR-34a, miR-21 and miR-203. Kallistatin's heparin-binding site is crucial for antagonizing the signaling pathways of vascular endothelial growth factor, tumor necrosis factor-α, Wnt, transforming growth factor-β and epidermal growth factor...
May 2017: Critical Reviews in Oncology/hematology
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