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https://www.readbyqxmd.com/read/28078875/circulating-srage-in-the-diagnosis-of-osteolytic-bone-metastasis
#1
E Galliera, M G Marazzi, E Vianello, L Drago, A Luzzati, P Bendinelli, P Maroni, L Tacchini, M A Desiderio, M M Corsi Romanelli
Despite the clinical importance of metastasis to the skeleton, the diagnostic tools for early detection and monitoring of bone metastasis lack sensitivity and specificity. We evaluated a promising new serum biomarker, the soluble form of the Receptor of Advanced Glycosylated End-products (sRAGE). sRAGE is involved in the Wnt-signaling pathway, and has been reported to reduce the risk of cancer. We investigated the diagnostic potential of sRAGE to improve the detection and monitoring of bone metastasis. We measured sRAGE in the serum of control healthy subjects, patients with primary tumors and patients with bone metastasis...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27937051/wnt10b-and-dkk-1-gene-therapy-differentially-influenced-trabecular-bone-architecture-soft-tissue-integrity-and-osteophytosis-in-a-skeletally-mature-rat-model-of-osteoarthritis
#2
Jeffrey B Mason, Brittney L Gurda, Kurt D Hankenson, Lindsey R Harper, Cathy S Carlson, James M Wilson, Dean W Richardson
AIMS: Our goals in the current experiments were to determine if 1) up-regulation of Wnt signaling would induce OA changes in stable stifle joints and 2) if down-regulation of Wnt signaling in destabilized joints would influence the progression of OA. METHODS: At 37 weeks of age, rats were injected in the stifle joint with a recombinant adeno-associated viral vector containing the Wnt-inhibitor Dkk-1 or a Wnt10b transgene. At 40 weeks of age, rats underwent surgical destabilization of the joint...
December 9, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27927230/molecular-control-of-nitric-oxide-synthesis-through-enos-and-caveolin-1-interaction-regulates-osteogenic-differentiation-of-adipose-derived-stem-cells-by-modulation-of-wnt-%C3%AE-catenin-signaling
#3
Nadeeka Bandara, Saliya Gurusinghe, Shiang Yong Lim, Haying Chen, Shuangfeng Chen, Dawei Wang, Bryan Hilbert, Le-Xin Wang, Padraig Strappe
BACKGROUND: Nitric oxide (NO) plays a role in a number of physiological processes including stem cell differentiation and osteogenesis. Endothelial nitric oxide synthase (eNOS), one of three NO-producing enzymes, is located in a close conformation with the caveolin-1 (CAV-1(WT)) membrane protein which is inhibitory to NO production. Modification of this interaction through mutation of the caveolin scaffold domain can increase NO release. In this study, we genetically modified equine adipose-derived stem cells (eASCs) with eNOS, CAV-1(WT), and a CAV-1(F92A) (CAV-1(WT) mutant) and assessed NO-mediated osteogenic differentiation and the relationship with the Wnt signaling pathway...
December 7, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27926814/the-economic-impact-of-insulin-related-hypoglycemia-in-denmark-an-analysis-using-the-local-impact-of-hypoglycemia-tool
#4
Nicki Hoskins, Christian Klyver Tikkanen, Ulrik Pedersen-Bjergaard
AIMS: To estimate the direct cost of hypoglycemia in insulin-treated adults with type 1 diabetes (T1DM) and type 2 diabetes (T2DM) in Denmark. MATERIALS AND METHODS: The Local Impact of Hypoglycemia Tool (LIHT) was used to estimate the costs associated with insulin-related hypoglycemia. Average utilization of healthcare resources, including the costs of pre-hospitalization, hospital admission, healthcare professional contact and follow-up, glucose/glucagon, and extra SMBG tests to monitor blood glucose following an episode, was used to calculate an average cost per severe and per non-severe hypoglycemic episode...
December 21, 2016: Journal of Medical Economics
https://www.readbyqxmd.com/read/27922964/the-effect-of-uniaxial-mechanical-stretch-on-wnt-%C3%AE-catenin-pathway-in-bone-mesenchymal-stem-cells
#5
Chuang Zhao, Yunfeng Li, Xuemei Wang, Shujuan Zou, Jing Hu, En Luo
Wnt/β-catenin signal is required in bone formation and remodling, but little is known about whether Wnt/β-catenin signal could promote osteogenic differentiation of rat bone marrow mesenchymal stem cells (BMSCs) after uniaxial mechanical stretch. In this study, rat BMSCs were identified by flow cytometry and used for mechanical stretch. A custom-made uniaxial dynamic stretch apparatus was applied for rat BMSCs stretch. There were 2 groups in the study: the mechanical stretch group and the nonstretch control group...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27911913/effect-of-osteoprotegerin-and-dickkopf-related-protein-1-on-radiological-progression-in-tightly-controlled-rheumatoid-arthritis
#6
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
#7
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
#8
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, which is similar to that observed in Eda-ablated Tabby mice...
December 15, 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
#9
(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
#10
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
#11
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...
December 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
#12
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...
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
#13
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...
January 5, 2017: 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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