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https://www.readbyqxmd.com/read/28039046/bone-quality-assessment-as-measured-by-trabecular-bone-score-in-patients-with-end-stage-renal-disease-on-dialysis
#1
Maria P Yavropoulou, Vasilios Vaios, Maria Pikilidou, Ioannis Chryssogonidis, Melina Sachinidou, Symeon Tournis, Konstantinos Makris, Kalliopi Kotsa, Michalis Daniilidis, Afroditi Haritanti, Vassilios Liakopoulos
Patients with end-stage renal disease (ESRD) on maintenance hemodialysis (HD) exhibit osteoporosis and increased fracture risk. Dual-energy X-ray absorptiometry scan measurements and calculation of fracture risk assessment toll score underestimate fracture risk in these patients and do not estimate bone quality. Trabecular bone score (TBS) has been recently proposed as an indirect measure of bone microarchitecture. In this study, we investigated alterations of bone quality in patients with ESRD on HD, using TBS...
December 27, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28027796/associations-of-serum-fibroblast-growth-factor-23-levels-with-obesity-and-visceral-fat-accumulation
#2
Xiang Hu, Xiaojing Ma, Yuqi Luo, Yiting Xu, Qin Xiong, Xiaoping Pan, Yunfeng Xiao, Yuqian Bao, Weiping Jia
BACKGROUND & AIMS: Recent findings raise the possibility that fibroblast growth factor (FGF) 23 may be related with fat contents and distribution. The present study aimed to elucidate the associations of serum FGF23 levels with the fat contents and distribution. METHODS: A total of 1599 normoglycemic individuals with preserved kidney function were enrolled. Serum levels of intact FGF23 were detected using a sandwich enzyme-linked immunosorbent assay. Overweight/obesity was defined by a body mass index of ≥25...
December 18, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27941640/fibroblast-growth-factor-23-a-potential-uremic-toxin
#3
REVIEW
Piotr Kuczera, Marcin Adamczak, Andrzej Wiecek
Fibroblast growth factor-23 (FGF23) is a circulating member of the FGF family produced mainly by the osteocytes and osteoblasts that can act as a hormone. The main action of FGF23 is to lower phosphatemia via the reduction of urinary phosphate reabsorption and the decrease of 1,25(OH)₂-D generation in the kidney. In the course of chronic kidney disease (CKD), plasma FGF23 concentration rises early, most probably to compensate the inability of the deteriorating kidneys to excrete an adequate amount of phosphate...
December 8, 2016: Toxins
https://www.readbyqxmd.com/read/27861335/response-of-fibroblast-growth-factor-23-to-volume-interventions-in-arterial-hypertension-and-diabetic-nephropathy
#4
Jelmer K Humalda, Sarah Seiler-Muler, Arjan J Kwakernaak, Marc G Vervloet, Gerjan Navis, Danilo Fliser, Gunnar H Heine, Martin H de Borst
Fibroblast growth factor 23 (FGF-23) rises progressively in chronic kidney disease and is associated with adverse cardiovascular outcomes. FGF-23 putatively induces volume retention by upregulating the sodium-chloride cotransporter (NCC). We studied whether, conversely, interventions in volume status affect FGF-23 concentrations.We performed a post hoc analysis of 1) a prospective saline infusion study with 12 patients with arterial hypertension who received 2 L of isotonic saline over 4 hours, and 2) a randomized controlled trial with 45 diabetic nephropathy (DN) patients on background angiotensin-converting enzyme -inhibition (ACEi), who underwent 4 6-week treatment periods with add-on hydrochlorothiazide (HCT) or placebo, combined with regular sodium (RS) or low sodium (LS) diet in a cross-over design...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27833290/free-gracilis-flap-for-chest-wall-reconstruction-in-male-patient-with-poland-syndrome-after-implant-failure
#5
Mario Cherubino, Francesca Maggiulli, Igor Pellegatta, Luigi Valdatta
Poland's syndrome (PS) is a congenital monolateral deformity that may involve breast, chest wall, and upper limb with different degrees of clinical expressions. In some cases, the problem is mainly cosmetic, and the reconstruction should be performed to achieve minimal scarring and donor site morbidity. The authors describe a case report of a male patient with PS who developed a severe capsular contraction after 25 years implant reconstruction, who was treated after explantation using free gracilis flap (FGF)...
May 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/27812884/alofanib-an-allosteric-fgfr2-inhibitor-has-potent-effects-on-ovarian-cancer-growth-in-preclinical-studies
#6
Alexandra Tyulyandina, Daniel Harrison, Wei Yin, Evgenia Stepanova, Dmitry Kochenkov, Eliso Solomko, Nina Peretolchina, Frits Daeyaert, Jean-Baptiste Joos, Koen Van Aken, Mikhail Byakhov, Evgenia Gavrilova, Sergei Tjulandin, Ilya Tsimafeyeu
Purpose Early data suggest that combining FGFR2 inhibitors with platinum-containing cytotoxic agents for the treatment of epithelial ovarian cancer may yield increased antitumor activity. We investigated antitumor activity of alofanib (RPT835), a novel allosteric FGFR2 inhibitor, in ovarian cancer in vitro and in vivo. Methods Equal amounts of ovarian cancer cell (SKOV3) lysates were analyzed for FGFR1-3 protein expression using Wes. To assess the efficacy of alofanib on FGF-mediated cell proliferation, SKOV3 cells were incubated and were treated with serially diluted alofanib...
November 3, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27793834/early-molecular-events-during-retinoic-acid-induced-differentiation-of-neuromesodermal-progenitors
#7
Thomas J Cunningham, Alexandre Colas, Gregg Duester
Bipotent neuromesodermal progenitors (NMPs) residing in the caudal epiblast drive coordinated body axis extension by generating both posterior neuroectoderm and presomitic mesoderm. Retinoic acid (RA) is required for body axis extension, however the early molecular response to RA signaling is poorly defined, as is its relationship to NMP biology. As endogenous RA is first seen near the time when NMPs appear, we used WNT/FGF agonists to differentiate embryonic stem cells to NMPs which were then treated with a short 2-h pulse of 25 nM RA or 1 µM RA followed by RNA-seq transcriptome analysis...
December 15, 2016: Biology Open
https://www.readbyqxmd.com/read/27788150/calciotropic-and-phosphaturic-hormones-in-end-stage-heart-failure-patients-supported-by-a-left-ventricular-assist-device
#8
Armin Zittermann, Jana B Ernst, Stefan Pilz, Jens Dreier, Joachim Kuhn, Cornelius Knabbe, Jan F Gummert, Michiel Morshuis, Hendrik Milting
BACKGROUND: Calcium and phosphate are central for myocardial contractility and energy metabolism, and low levels of the calciotropic hormone 1,25-dihydroxyvitamin D (1,25(OH)2D), as well as high levels of the phosphaturic hormone fibroblast growth factor (FGF)-23, are independently associated with poor clinical outcome in heart failure (HF) patients. We therefore aimed to investigate the postoperative time course of the aforementioned hormones in HF patients supported with a left-ventricular assist device (LVAD) implant...
2016: PloS One
https://www.readbyqxmd.com/read/27770793/long-term-evolution-of-endothelial-function-during-kidney-transplantation
#9
Clark Kensinger, Aihua Bian, Meagan Fairchild, Guanhua Chen, Loren Lipworth, T Alp Ikizler, Kelly A Birdwell
BACKGROUND: Endothelial dysfunction is an important precursor to the development of atherosclerosis, and has been suggested to play a role in the increased cardiovascular risk in patients with end stage renal disease. Endothelial function improves rapidly following post kidney transplantation, but the long term change remains unclear. Hypothesizing that endothelial function would remain improved long term post kidney transplantation, we evaluated the longitudinal change of endothelial function, measured by flow-mediated dilation (FMD) of the brachial artery, from months 1 to 24 post transplantation...
October 22, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27755557/an-abbreviated-protocol-for-in-vitro-generation-of-functional-human-embryonic-stem-cell-derived-beta-like-cells
#10
Mohammad Massumi, Farzaneh Pourasgari, Amarnadh Nalla, Battsetseg Batchuluun, Kristina Nagy, Eric Neely, Rida Gull, Andras Nagy, Michael B Wheeler
The ability to yield glucose-responsive pancreatic beta-cells from human pluripotent stem cells in vitro will facilitate the development of the cell replacement therapies for the treatment of Type 1 Diabetes. Here, through the sequential in vitro targeting of selected signaling pathways, we have developed an abbreviated five-stage protocol (25-30 days) to generate human Embryonic Stem Cell-Derived Beta-like Cells (ES-DBCs). We showed that Geltrex, as an extracellular matrix, could support the generation of ES-DBCs more efficiently than that of the previously described culture systems...
2016: PloS One
https://www.readbyqxmd.com/read/27721584/the-three-sisters-of-fate-in-multiple-sclerosis-klotho-clotho-fibroblast-growth-factor-23-lachesis-and-vitamin-d-atropos
#11
Hamit Yasar Ellidag, Necat Yilmaz, Fatma Kurtulus, Ozgur Aydin, Esin Eren, Ayca Inci, Suleyman Dolu, Fatma Demet Arslan Ince, Özlem Giray, Aylin Yaman
BACKGROUND: The klotho (Klt)-fibroblast growth factor-23 (FGF-23)-vitamin D axis is the main component of calcium (Ca) and phosphorus (P) metabolisms; on the contrary, it is also secreted from the choroid plexus (CP). PURPOSE: This study is aimed at evaluating serum soluble Klt (sKlt), FGF-23, and 25-(OH)-vitamin D levels in multiple sclerosis (MS) patients. METHODS: Thirty-two relapsing-remitting MS patients (11 males and 21 females; mean age 38...
September 2016: Annals of Neurosciences
https://www.readbyqxmd.com/read/27649526/outcome-of-long-term-bisphosphonate-therapy-in-mccune-albright-syndrome-and-polyostotic-fibrous-dysplasia
#12
Bas Cj Majoor, Natasha M Appelman-Dijkstra, Martha Fiocco, Michiel Aj van de Sande, Pd Sander Dijkstra, Neveen At Hamdy
McCune-Albright syndrome (MAS) is a rare bone disorder characterized by fibrous dysplasia (FD), endocrinopathies, and café-au-lait patches. FD patients have been shown to respond favorably to treatment with bisphosphonates, but data are scarce in the more severe polyostotic form (PFD), including MAS, and factors determining treatment outcome are not known, particularly in the long-term. We evaluated the biochemical (bone turnover markers [BTMs]) and clinical (pain reduction) outcome of bisphosphonate therapy in 11 patients with MAS and 30 patients with PFD: median duration of treatment 6 years (range, 2 to 25 years)...
September 20, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27647928/maternally-derived-anti-fibroblast-growth-factor-23-antibody-as-new-tool-to-reduce-phosphorus-requirement-of-chicks
#13
Zhouzheng Ren, Daniel E Bütz, Jordan M Sand, Mark E Cook
Novel means to reduce phosphate input into poultry feeds and increase its retention would preserve world phosphate reserves and reduce environmental impact of poultry production. Here we show that a maternally derived antibody to a fibroblast growth factor-23 (FGF-23) peptide (GMNPPPYS) alleviated phosphorus deficiency in chicks fed low non-phytate phosphorus (nPP) diets. White Leghorn laying hens were vaccinated with either an adjuvant control or the synthetic FGF-23 peptide, and chicks with control or anti-FGF-23 maternal antibodies were fed a diet containing either 0...
September 19, 2016: Poultry Science
https://www.readbyqxmd.com/read/27568862/coagulin-l-ameliorates-tlr4-induced-oxidative-damage-and-immune-response-by-regulating-mitochondria-and-nox-derived-ros
#14
Sukka Santosh Reddy, Parul Chauhan, Preeti Maurya, Deepika Saini, Prem Prakash Yadav, Manoj Kumar Barthwal
Withanolides possess diverse biological and pharmacological activity but their immunomodulatory function is less realized. Hence, coagulin-L, a withanolide isolated from Withania coagulans Dunal has been studied for such an effect in human and murine cells, and mice model. Coagulin-L (1, 3, 10μM) exhibited immunomodulatory effect by suppressing TLR4 induced immune mediators such as cytokines (GMCSF, IFNα, IFNγ, IL-1α, IL-1Rα, IL-1β, IL-2, IL-2R, IL-4, IL-5, IL-6, IL-7, IL-10, IL-12 (p40/p70), IL-13, IL-15, IL-17), chemokines (IL-8/CXCL8, MIG/CXCL9, IP-10/CXCL10, KC, MCP-1/CCL2, MIP-1α/CCL3, MIP-1β/CCL4, RANTES/CCL5, eotaxin/CCL11), growth factors (FGF-basic, VEGF), nitric oxide and intracellular superoxide...
October 15, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27537716/serum-fibroblastic-growth-factor-23-in-acute-sarcoidosis-and-normal-kidney-function
#15
Donal J Sexton, M W O'Reilly, P Geoghegan, S M Kinsella, P J Moran, A W O'Regan
BACKGROUND: Serum fibroblastic growth factor (FGF) 23 has recently been established as a major physiological regulator of phosphate homeostasis and may have a causal role in adverse cardiovascular and bone outcomes. However its role in states of disordered phosphate homeostasis and normal kidney function is as yet under characterised. AIMS: To investigate whether this biomarker of vascular calcification and adverse bone outcomes is detectable in patients with sarcoidosis...
August 1, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/27493144/calciotropic-and-phosphaturic-hormones-in-heart-failure
#16
A Zittermann, J B Ernst
AIMS: Despite adherence to evidence-based guidelines, heart failure [HF] still results in 5-year mortality rates of 50%, indicating a need to implement additional preventive/intervention strategies. This review summarizes data on alterations in the calciotropic and phosphaturic hormones 1,25-dihydroxyvitamin D [1,25(OH)2D] and fibroblast growth factors-23 [FGF-23] in HF and discusses non-pharmacological measures for targeting these hormones. DATA SYNTHESIS: The role of 1,25(OH)2D in the regulation of calcium and phosphate homeostasis is central...
June 28, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/27440690/fibroblast-growth-factor-23-and-phosphorus-related-factors-in-young-japanese-women-a-cross-sectional-study
#17
Sanae Ito, Hiromi Ishida, Kazuhiro Uenishi
Phosphorus homeostasis is determined by dietary intake, intestinal absorption, and renal tubular reabsorption of phosphorus. Serum fibroblast growth factor-23 (FGF-23) is considered to be a sensitive early biomarker of disordered phosphorus metabolism in both patients with chronic kidney diseases and healthy subjects. However, the number of studies evaluating serum FGF-23 concentrations in healthy subjects is limited. The objective of this cross-sectional study was to examine the relationship between serum FGF-23 concentrations and phosphorus related factors in 182 young Japanese women (mean age, 19...
2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27414797/novel-bioluminescent-binding-assays-for-ligand-receptor-interaction-studies-of-the-fibroblast-growth-factor-family
#18
Ge Song, Xiao-Xia Shao, Qing-Ping Wu, Zeng-Guang Xu, Ya-Li Liu, Zhan-Yun Guo
We recently developed novel bioluminescent binding assays for several protein/peptide hormones to study their interactions with receptors using the so far brightest NanoLuc reporter. To validate the novel bioluminescent binding assay using a variety of protein/peptide hormones, in the present work we applied it to the fibroblast growth factor (FGF) family using the prototype member FGF2 as an example. A fully active recombinant FGF2 retaining a unique exposed cysteine (Cys) residue was chemically conjugated with an engineered NanoLuc carrying a unique exposed Cys residue at the C-terminus via formation of an intermolecular disulfide linkage...
2016: PloS One
https://www.readbyqxmd.com/read/27306296/fgf23-neutralizing-antibody-ameliorates-hypophosphatemia-and-impaired-fgf-receptor-signaling-in-kidneys-of-hmwfgf2-transgenic-mice
#19
E Du, L Xiao, M M Hurley
High molecular weight FGF2 transgenic mice (HMWTg) phenocopy the Hyp mouse, homolog of human X-linked hypophosphatemic rickets with phosphate wasting and abnormal fibroblast growth factor (FGF23), fibroblast growth factor receptor (FGFR), Klotho and mitogen activated protein kinases (MAPK) signaling in kidney. In this study, we assessed whether short-term (24 h) in vivo administration of FGF23 neutralizing antibody (FGF23Ab) could rescue hypophosphatemia and impaired FGFR signaling in kidneys of HMWTg male mice...
June 16, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27302208/vitamin-d3-supplementation-bone-health-and-quality-of-life-in-adults-with-diabetes-and-chronic-kidney-disease-results-of-an-open-label-randomized-clinical-trial
#20
Diana R Mager, Stephanie T Jackson, Michelle R Hoffmann, Kailash Jindal, Peter A Senior
BACKGROUND: Adults with diabetes (DM) and chronic kidney disease (CKD) are at risk for vitamin D (vitD) insufficiency, suboptimal bone health and reduced quality of life (QoL) due to limited sunlight exposure, poor vitD intake and CKD. AIMS: This open-labeled, randomized clinical trial, compared the impact of daily (2000 IU/D) verses monthly (40,000 IU/month) vitD3 supplementation over six months on markers of vitD status, bone health and QoL in adults with DM and CKD (stages: 1-4)...
June 2, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
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