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https://www.readbyqxmd.com/read/27911913/effect-of-osteoprotegerin-and-dickkopf-related-protein-1-on-radiological-progression-in-tightly-controlled-rheumatoid-arthritis
#1
Carmen Gómez-Vaquero, Irene Martín, Estibaliz Loza, Loreto Carmona, José Ivorra, José Antonio Narváez, Javier Hernández-Gañán, Pedro Alía, Javier Narváez
OBJECTIVE: To analyze the association between circulating osteoprotegerin (OPG) and Dickkopf-related protein 1 (DKK-1) and radiological progression in patients with tightly controlled rheumatoid arthritis (RA). METHODS: Serum levels of OPG and DKK-1 were measured in 97 RA patients who were treated according to a treat-to-target strategy (T2T) aimed at remission (DAS28<2.6). Radiologic joint damage progression was assessed by changes in the total Sharp-van der Heijde score (SHS) on serial radiographs of the hands and feet...
2016: PloS One
https://www.readbyqxmd.com/read/27866302/expression-analysis-of-dickkopf-related-protein-3-dkk3-suggests-its-pleiotropic-roles-for-a-secretory-glycoprotein-in-adult-mouse
#2
Junji Inoue, Hirofumi Fujita, Tetsuya Bando, Yoichi Kondo, Hiromi Kumon, Hideyo Ohuchi
Dickkopf-related protein 3 (Dkk3) is the third member of the Dkk gene family and identical to the gene, whose expression was reduced in immortalized cells. Therefore, its another name is reduced expression in immortalized cells. Since the intratumoral introduction of Dkk3 inhibits tumor growth in mouse models of cancers, Dkk3 is likely a tumor suppressor gene. However, the functions of Dkk3 in vivo remain unclear. As the first step to decipher the physiological roles of this gene, we examined the expression pattern of Dkk3 in various tissues from adult mice...
November 19, 2016: Journal of Molecular Histology
https://www.readbyqxmd.com/read/27864382/molecular-dynamics-of-dkk4-modulates-wnt-action-and-regulates-meibomian-gland-development
#3
Jian Sima, Yulan Piao, Yaohui Chen, David Schlessinger
Secreted Dickkopf (Dkk) proteins are major Wnt pathway modulators during organ development. Dkk1 has been widely studied and acts as a general Wnt inhibitor. However, the molecular function of other Dkks remains largely unknown. Here we show that Dkk4 selectively inhibits a subset of Wnts, but is further inactivated by proteolytic cleavage. Meibomian gland (MG) formation is employed as a model where Dkk4 and its Wnt targets are expressed. Skin-specific expression of Dkk4 arrests MG growth at early germ phase, similar to that observed in Eda-ablated Tabby mice...
November 18, 2016: Development
https://www.readbyqxmd.com/read/27849597/correction-for-ren-et-al-lrp-6-is-a-coreceptor-for-multiple-fibrogenic-signaling-pathways-in-pericytes-and-myofibroblasts-that-are-inhibited-by-dkk-1
#4
(no author information available yet)
No abstract text is available yet for this article.
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27827955/a-novel-role-of-dickkopf-related-protein-3-in-macropinocytosis-in-human-bladder-cancer-t24-cells
#5
Nonoka Tsujimura, Nami O Yamada, Yuki Kuranaga, Minami Kumazaki, Haruka Shinohara, Kohei Taniguchi, Yukihiro Akao
Dickkopf-related protein 3 (Dkk-3) is a potential tumor suppressor reported in various cancer entities. However, we found that Dkk-3 was exceptionally upregulated in bladder cancer T24 cells. To validate the biological role of Dkk-3 other than a tumor suppressor, we examined the function of Dkk-3 in T24 cells. Gene silencing of Dkk-3 inhibited cell growth through inducing G₀/G₁ cell-cycle arrest. Furthermore, Dkk-3 knock-down caused macropinocytosis accompanied by autophagy, which were canceled in part by their inhibitors 5-(N-ethyl-N-isopropyl) amiloride (EIPA) and 3-methyladenine (3-MA)...
November 5, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27779642/impact-of-vitamin-e-blended-uhmwpe-wear-particles-on-the-osseous-microenvironment-in-polyethylene-particle-induced-osteolysis
#6
Carl Neuerburg, Theresa Loer, Lena Mittlmeier, Christina Polan, Zsuzsanna Farkas, Lesca Miriam Holdt, Sandra Utzschneider, Jens Schwiesau, Thomas M Grupp, Wolfgang Böcker, Attila Aszodi, Christian Wedemeyer, Christian Kammerlander
Aseptic loosening mediated by wear particle-induced osteolysis (PIO) remains the major cause of implant loosening in endoprosthetic surgery. The development of new vitamin E (α-tocopherol)-blended ultra-high molecular weight polyethylene (VE-UHMWPE) with increased oxidation resistance and improved mechanical properties has raised hopes. Furthermore, regenerative approaches may be opened, as vitamin E supplementation has shown neuroprotective characteristics mediated via calcitonin gene-related peptide (CGRP), which is known to affect bone remodeling in PIO...
October 18, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27776430/baicalein-promotes-angiogenesis-and-odontoblastic-differentiation-via-the-bmp-and-wnt-pathways-in-human-dental-pulp-cells
#7
Sang-Im Lee, Sun-Young Kim, Kyung-Ran Park, Eun-Cheol Kim
Baicalein is an active flavonoid extracted from the root of Scutellaria baicalensis that has anticancer and anti-inflammatory properties; its effects on osteoblastic and angiogenic potential are controversial. The aim of this study was to investigate the effects of baicalein on odontoblastic differentiation and angiogenesis and the underlying mechanism in human dental pulp cells (HDPCs). Baicalein (1-10[Formula: see text][Formula: see text]M) had no cytotoxic effects and promoted alkaline phosphatase (ALP) activity, mineralization assayed by Alizarin Red-S staining, and the mRNA expression of marker genes, in a concentration-dependent manner...
October 25, 2016: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/27769713/androgens-modify-wnt-agonists-antagonists-expression-balance-in-dermal-papilla-cells-preventing-hair-follicle-stem-cell-differentiation-in-androgenetic-alopecia
#8
Gustavo José Leirós, Julieta María Ceruti, María Lía Castellanos, Ana Gabriela Kusinsky, María Eugenia Balañá
In androgenetic alopecia, androgens impair dermal papilla-induced hair follicle stem cell (HFSC) differentiation inhibiting Wnt signaling. Wnt agonists/antagonists balance was analyzed after dihydrotestosterone (DHT) stimulation in androgen-sensitive dermal papilla cells (DPC) cultured as spheroids or monolayer. In both culture conditions, DHT stimulation downregulated Wnt5a and Wnt10b mRNA while the Wnt antagonist Dkk-1 was upregulated. Notably, tissue architecture of DPC-spheroids lowers Dkk-1 and enhances Wnt agonists' basal expression; probably contributing to DPC inductivity...
October 18, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27767086/adenovirus-vector-carrying-reic-dkk-3-gene-neoadjuvant-intraprostatic-injection-for-high-risk-localized-prostate-cancer-undergoing-radical-prostatectomy
#9
H Kumon, Y Ariyoshi, K Sasaki, T Sadahira, M Araki, S Ebara, H Yanai, M Watanabe, Y Nasu
As the First-In-Human study of in situ gene therapy using an adenovirus vector carrying the human REIC (reduced expression in immortalized cell)/Dkk-3 gene (Ad-REIC), we conducted neoadjuvant intraprostatic injections in patients with high-risk localized prostate cancer undergoing radical prostatectomy (RP). Patients with recurrence probability of 35% or more within 5 years following RP, as calculated by Kattan's nomogram, were enrolled. Patients received two ultrasound-guided intratumoral injections at 2-week intervals, followed by RP 6 weeks after the second injection...
November 2016: Cancer Gene Therapy
https://www.readbyqxmd.com/read/27760131/use-of-linear-programming-to-develop-cost-minimized-nutritionally-adequate-health-promoting-food-baskets
#10
Alexandr Parlesak, Inge Tetens, Jørgen Dejgård Jensen, Sinne Smed, Mojca Gabrijelčič Blenkuš, Mike Rayner, Nicole Darmon, Aileen Robertson
BACKGROUND: Food-Based Dietary Guidelines (FBDGs) are developed to promote healthier eating patterns, but increasing food prices may make healthy eating less affordable. The aim of this study was to design a range of cost-minimized nutritionally adequate health-promoting food baskets (FBs) that help prevent both micronutrient inadequacy and diet-related non-communicable diseases at lowest cost. METHODS: Average prices for 312 foods were collected within the Greater Copenhagen area...
2016: PloS One
https://www.readbyqxmd.com/read/27732331/high-sclerostin-and-dickkopf-1-dkk-1-serum-levels-in-children-and-adolescents-with-type-1-diabetes-mellitus
#11
Maria Felicia Faienza, Annamaria Ventura, Maurizio Delvecchio, Anna Fusillo, Laura Piacente, Gabriella Aceto, Graziana Colaianni, Silvia Colucci, Luciano Cavallo, Maria Grano, Giacomina Brunetti
CONTEXT: Childhood type 1 diabetes (T1DM) is associated with decreased bone mass. Sclerostin and dickkopf-1 (DKK-1) are Wnt inhibitors which regulate bone formation. OBJECTIVE: To evaluate sclerostin and DKK-1 levels in TD1M children and to analyze the influence of the glycaemic control on bone health. DESIGN AND SETTING: Cross-sectional study conducted at a clinical research center. Partecipants: One hundred and six T1DM subjects (12.2 ± 4 years), 66 on multiple daily injections (MDI) and 40 on continuous subcutaneous infusion of insulin (CSII), and 80 controls...
October 12, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27709225/increased-circulating-resistin-is-associated-with-insulin-resistance-oxidative-stress-and-platelet-activation-in-type-2-diabetes-mellitus
#12
Francesca Santilli, Rossella Liani, Patrizia Di Fulvio, Gloria Formoso, Paola Simeone, Romina Tripaldi, Thor Ueland, Pål Aukrust, Giovanni Davì
Resistin is an adipokine that promotes inflammation and insulin resistance by targeting several cells including platelets. We hypothesised that in type 2 diabetes (T2DM), resistin may foster in vivo oxidative stress, thromboxane-dependent platelet activation and platelet-derived inflammatory proteins release, key determinants of atherothrombosis. A cross-sectional comparison of circulating resistin, sCD40L, as a marker of platelet-mediated inflammation, asymmetric dimethylarginine (ADMA), endothelial dysfunction marker, Dickkopf (DKK)-1, reflecting the inflammatory interaction between platelets and endothelial cells, and urinary 8-iso-PGF2α and 11-dehydro-TxB2, reflecting in vivo lipid peroxidation and platelet activation, respectively, was performed between 79 T2DM patients and 30 healthy subjects...
November 30, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27705031/a-short-term-cost-utility-analysis-of-insulin-degludec-versus-insulin-glargine-in-patients-with-type-1-or-type-2-diabetes-in-denmark
#13
R F Pollock, C K Tikkanen
BACKGROUND AND AIMS: Insulin degludec is an insulin analog with an ultra-long duration of action that exhibits less intra-patient variability in its glucose-lowering activity, and reduces nocturnal, overall, and severe hypoglycaemia relative to insulin glargine. The aim of the present study was to evaluate the cost-effectiveness of insulin degludec relative to insulin glargine in patients with: type 1 diabetes (T1D), type 2 diabetes receiving basal-only therapy (T2DBOT), and type 2 diabetes receiving basal-bolus therapy (T2DBB) in Denmark...
October 5, 2016: Journal of Medical Economics
https://www.readbyqxmd.com/read/27699213/tubular-dickkopf-3-promotes-the-development-of-renal-atrophy-and-fibrosis
#14
Giuseppina Federico, Michael Meister, Daniel Mathow, Gunnar H Heine, Gerhard Moldenhauer, Zoran V Popovic, Viola Nordström, Annette Kopp-Schneider, Thomas Hielscher, Peter J Nelson, Franz Schaefer, Stefan Porubsky, Danilo Fliser, Bernd Arnold, Hermann-Josef Gröne
Renal tubular atrophy and interstitial fibrosis are common hallmarks of etiologically different progressive chronic kidney diseases (CKD) that eventually result in organ failure. Even though these pathological manifestations constitute a major public health problem, diagnostic tests, as well as therapeutic options, are currently limited. Members of the dickkopf (DKK) family, DKK1 and -2, have been associated with inhibition of Wnt signaling and organ fibrosis. Here, we identify DKK3 as a stress-induced, tubular epithelia-derived, secreted glycoprotein that mediates kidney fibrosis...
January 21, 2016: JCI Insight
https://www.readbyqxmd.com/read/27682230/employment-disability-pension-and-income-for-children-with-parental-multiple-sclerosis
#15
Julie Yoon Moberg, Bjarne Laursen, Nils Koch-Henriksen, Lau Caspar Thygesen, Anne Brødsgaard, Per Soelberg Sørensen, Melinda Magyari
BACKGROUND: Little is known about the consequences of parental multiple sclerosis (MS) on offspring's socioeconomic circumstances. OBJECTIVE: To investigate employment, disability pension and income in offspring of parents with MS compared with matched reference persons in a nationwide register-based cohort study. METHODS: All Danish-born persons with onset of MS during 1950-1986 were retrieved from the Danish Multiple Sclerosis Registry. Their offspring were identified using the Civil Registration System...
September 28, 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/27673573/osteocyte-physiology-and-response-to-fluid-shear-stress-are-impaired-following-exposure-to-cobalt-and-chromium-implications-for-bone-health-following-joint-replacement
#16
Karan M Shah, Peter Orton, Nick Mani, Jeremy Mark Wilkinson, Alison Gartland
The effects of metal ion exposure on osteocytes, the most abundant cell type in bone and responsible for coordinating bone remodeling, remain unclear. However, several studies have previously shown that exposure to cobalt (Co(2+) ) and chromium (Cr(3+) ), at concentrations equivalent to those found clinically, affect osteoblast and osteoclast survival and function. In this study, we tested the hypothesis that metal ions would similarly impair the normal physiology of osteocytes. The survival, dendritic morphology, and response to fluid shear stress of the mature osteocyte-like cell-line MLO-Y4 following exposure to clinically relevant concentrations and combinations of Co and Cr ions were measured in 2D-culture...
September 27, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27670695/the-role-of-dickkopf-1-in-joint-remodeling-and-fibrosis-a-link-connecting-spondyloarthropathies-and-scleroderma
#17
Kalliopi Klavdianou, Stamatis-Nick Liossis, Lazaros Sakkas, Dimitrios Daoussis
BACKGROUND: Dickkopf-1 (Dkk-1) is a soluble inhibitor of the canonical Wnt pathway, which plays critical roles in embryonic development. Evidence suggests that this molecule regulates several aspects of both bone biology and fibrosis. OBJECTIVES: To provide an overview of our current knowledge of the role of Dkk-1 in joint remodeling and fibrosis. METHODS: We performed an electronic search (Medline) using the following key words: Dickkopf-1 (or Dkk-1), new bone formation, joint remodeling, ankylosing spondylitis, systemic sclerosis (or scleroderma), and fibrosis, supplemented by a manual search of references from retrieved articles...
August 23, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/27668000/real-time-analysis-of-endogenous-wnt-signalling-in-3d-mesenchymal-stromal-cells
#18
Fatima Saleh, Alice Carstairs, S Leah Etheridge, Paul Genever
Wnt signalling has been implicated in the regulation of stem cell self-renewal and differentiation; however, the majority of in vitro studies are carried out using monolayer 2D culture techniques. Here, we used mesenchymal stromal cell (MSC) EGFP reporter lines responsive to Wnt pathway activation in a 3D spheroid culture system to mimic better the in vivo environment. Endogenous Wnt signalling was then investigated under basal conditions and when MSCs were induced to undergo osteogenic and adipogenic differentiation...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27664561/dosage-effects-of-extracorporeal-shockwave-therapy-in-early-hip-necrosis
#19
Ching-Jen Wang, Chung-Cheng Huang, Hon-Kan Yip, Ya-Ju Yang
BACKGROUND: This study investigated the effects of different dosages of extracorporeal shockwave therapy (ESWT) in early osteonecrosis of the femoral head (ONFH). MATERIALS AND METHODS: Thirty-three patients (42 hips) were randomly divided into three groups. Group A (10 patients with 16 hips) received 2000 impulses of ESWT at 24 Kv to the affected hip. Group B (11 patients with 14 hips) and Group C (12 patients with 12 hips) received 4000 and 6000 impulses of ESWT respectively...
September 21, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27640551/association-of-polymorphisms-in-dickopff-dkk-gene-towards-modulating-risk-for-lung-cancer-in-north-indians
#20
Charu Bahl, Navneet Singh, Digambar Behera, Siddharth Sharma
AIM: To investigate the association between the genetic variants of DKK4 (rs2073664), DKK3 (rs2291599, rs3206824 and rs7391689) and DKK2 (rs447372, rs419558 and rs17037102) and lung cancer predisposition in north Indians. MATERIALS & METHODS: A total of 600 subjects were genotyped using PCR restriction fragment length polymorphism technique. Association analysis was carried out using logistic regression approach. RESULTS: DKK3 rs7396187 showed a protective effect (p = 0...
September 19, 2016: Future Oncology
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