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https://www.readbyqxmd.com/read/29672176/prevalence-and-risk-factors-for-vascular-calcification-in-chinese-patients-receiving-dialysis-baseline-results-from-a-prospective-cohort-study
#1
Zhi-Hong Liu, Xue-Qing Yu, Jun-Wei Yang, Ai-Li Jiang, Bi-Cheng Liu, Chang-Ying Xing, Ji-Zhuang Lou, Mei Wang, Hong Cheng, Jun Liu, Jun-Zhou Fu, Ai-Hua Zhang, Miao Zhang, Qiao-Ling Zhou, Chen Yu, Rong Wang, Li Wang, Yu-Qing Chen, Tian-Jun Guan, Ai Peng, Chen Nan, Chuan-Ming Hao, Xu-Yang Cheng
OBJECTIVE: With limited data available on calcification prevalence in chronic kidney disease (CKD) patients on dialysis, the China Dialysis Calcification Study (CDCS) determined the prevalence of vascular/valvular calcification (VC) and association of risk factors in Chinese patients with prevalent hemodialysis (HD) or peritoneal dialysis (PD). METHODS: CKD patients undergoing HD/PD for ≥6 months were enrolled. Prevalence data for calcification and medical history were documented at baseline...
April 19, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29671909/should-phosphate-management-be-limited-to-the-kdigo-kdoqi-guidelines
#2
Sangeet Dhillon-Jhattu, Stuart M Sprague
Hyperphosphatemia is a common complication of CKD. Prior to development of overt hyperphosphatemia, there are several adaptive mechanisms that occur to maintain normal phosphorus equilibrium in patients with CKD. These include an early and progressive rise in fibroblast growth factor 23 (FGF 23), followed by an increase in parathyroid hormone (PTH) with a decrease in 1,25-dihydroxyvitamin D (1,25 Vit D). Over the last 20 years, a large number of studies have shown that hyperphosphatemia is a strong predictor of adverse clinical outcomes including increased incidence of vascular calcification, cardiovascular disease, and all-cause mortality in both individuals with CKD as well as those with normal kidney function...
April 19, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29665846/correlation-of-serum-levels-of-fibroblast-growth-factor-23-and-klotho-protein-levels-with-bone-mineral-density-in-maintenance-hemodialysis-patients
#3
Shubei Zheng, Yan Chen, Yu Zheng, Zhihong Zhou, Zhanyuan Li
OBJECTIVE: The correlation of serum fibroblast growth factor 23 (FGF-23) and Klotho protein levels with bone mineral density (BMD) in maintenance hemodialysis (MHD) patients was analyzed. METHODS: Between January 2015 and November 2015, 125 MHD patients in our hospital were enrolled. Dual-energy X-ray absorptiometry was used to examine the BMD in the femoral neck and lumbar spine of MHD patients. The patients were divided into three groups: a normal bone mass group, an osteopenia group, and an osteoporosis group...
April 17, 2018: European Journal of Medical Research
https://www.readbyqxmd.com/read/29660161/the-fgf-23-klotho-axis-and-its-relationship-with-phosphorus-calcium-vitamin-d-pth-aldosterone-severity-of-disease-and-outcome-in-hospitalised-foals
#4
A M Kamr, K A Dembek, B E Hildreth, P R Morresey, R A Rathgeber, T A Burns, A A Zaghawa, R E Toribio
BACKGROUND: Fibroblast growth factor-23 (FGF-23) and klotho are key regulators of vitamin D and parathyroid hormone (PTH) synthesis as well as phosphorus and calcium homeostasis; however, information on the FGF-23/klotho axis in healthy and hospitalised foals is lacking. OBJECTIVES: The aims of this study were to measure serum FGF-23 and klotho concentrations and determine their association with serum phosphorus, total calcium (TCa), vitamin D metabolite [25(OH)D, 1,25(OH)2 D], PTH, and aldosterone concentrations, disease severity, and mortality in hospitalised foals...
April 16, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29625077/optimising-the-collection-of-female-genital-tract-fluid-for-cytokine-analysis-in-pregnant-women
#5
C S Short, R Quinlan, P Bennett, R J Shattock, G P Taylor
INTRODUCTION: To better understand the immunology of pregnancy, study of female genital tract fluid (FGF) is desirable. However the optimum method of collection of FGF in pregnant women for immunological methods, specifically cytokine measurement, is unknown. METHODS: A prospective study of HIV-uninfected pregnant women comparing two methods of FGF collection: polyvinyl acetal sponge collection of cervical fluid (CF) and menstrual cup collection of cervicovaginal fluid (CVF)...
April 3, 2018: Journal of Immunological Methods
https://www.readbyqxmd.com/read/29621752/fibroblast-growth-factor-23-a-biomarker-of-kidney-function-decline
#6
David A Drew, Ronit Katz, Stephen Kritchevsky, Joachim H Ix, Michael G Shlipak, Anne B Newman, Andy Hoofnagle, Linda Fried, Mark J Sarnak, Orlando M Gutierrez
BACKGROUND: Fibroblast growth factor 23 (FGF-23) is a hormone that regulates phosphorus levels and vitamin D metabolism. Previous studies have shown FGF-23 to be a risk factor for incident end-stage renal disease; however, there are less data on the association of FGF-23 with earlier kidney-related outcomes. METHODS: Serum FGF-23 was assayed using an intact ELISA assay in 2,496 participants of the Healthy Aging and Body Composition Study, a cohort of well-functioning older adults...
April 5, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29599772/the-gut-microbiota-regulates-endocrine-vitamin-d-metabolism-through-fibroblast-growth-factor-23
#7
Stephanie A Bora, Mary J Kennett, Philip B Smith, Andrew D Patterson, Margherita T Cantorna
To determine the effect of the microbiota on vitamin D metabolism, serum 25-hydroxyvitamin D(25D), 24,25-dihydroxyvitamin D (24,25D), and 1,25-dihydroxyvitamin D (1,25D) were measured in germ-free (GF) mice before and after conventionalization (CN). GF mice had low levels of 25D, 24,25D, and 1,25D and were hypocalcemic. CN of the GF mice with microbiota, for 2 weeks recovered 25D, 24,25D, and 1,25D levels. Females had more 25D and 24,25D than males both as GF mice and after CN. Introducing a limited number of commensals (eight commensals) increased 25D and 24,25D to the same extent as CN...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29574933/the-association-of-serum-fgf23-and-non-alcoholic-fatty-liver-disease-is-independent-of-vitamin-d-in-type-2-diabetes-patients
#8
Xingxing He, Yun Shen, Xiaojing Ma, Lingwen Ying, Jiahui Peng, Xiaoping Pan, Yuqian Bao, Jian Zhou
Recent studies have showed that circulating fibroblast growth factor (FGF) 23 and vitamin D levels were closely correlated with insulin resistance. The aim of this study was to investigate the relationship among serum FGF 23 level, serum 25-hydroxyvitamin D [25(OH)D] levels, and non-alcoholic fatty liver disease (NAFLD) in Chinese patients with type 2 diabetes mellitus (T2DM). This study enrolled 331 hospitalized T2DM patients (209 patients with NAFLD and 122 patients without NAFLD). Serum FGF23 levels were measured using a sandwich enzyme-linked immunosorbent assay...
March 25, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29549243/effects-of-supplemented-isoenergetic-diets-varying-in-cereal-fiber-and-protein-content-on-the-bile-acid-metabolic-signature-and-relation-to-insulin-resistance
#9
Martin O Weickert, John G Hattersley, Ioannis Kyrou, Ayman M Arafat, Natalia Rudovich, Michael Roden, Peter Nowotny, Christian von Loeffelholz, Silke Matysik, Gerd Schmitz, Andreas F H Pfeiffer
Bile acids (BA) are potent metabolic regulators influenced by diet. We studied effects of isoenergetic increases in the dietary protein and cereal-fiber contents on circulating BA and insulin resistance (IR) in overweight and obese adults. Randomized controlled nutritional intervention (18 weeks) in 72 non-diabetic participants (overweight/obese: 29/43) with at least one further metabolic risk factor. Participants were group-matched and allocated to four isoenergetic supplemented diets: control; high cereal fiber (HCF); high-protein (HP); or moderately increased cereal fiber and protein (MIX)...
March 7, 2018: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29548779/dialysis-as-a-treatment-option-for-a-patient-with-normal-kidney-function-and-familial-tumoral-calcinosis-due-to-a-compound-heterozygous-fgf23-mutation
#10
Patrícia T Goldenstein, Precil D Neves, Bruno E Balbo, Rosilene M Elias, Alexandre C Pereira, Luiz F Onuchic, Harald Jüppner, Vanda Jorgetti, Hugo Abensur, Rosa Maria Moysés
Primary tumoral calcinosis is a rare autosomal recessive disorder characterized by ectopic calcified tumoral masses. Mutations in 3 genes (GALNT3, FGF23, and KL) have been linked to this human disorder. We describe a case of a 28-year-old man with a history of painful firm masses over his right and left gluteal region, right clavicle region, knees, and left elbow. Biochemical analysis disclosed hyperphosphatemia (phosphate, 9.0 mg/dL) and normocalcemia (calcium, 4.8 mg/dL), with normal kidney function and fractional excretion of phosphate of 3%...
March 14, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29518087/fibroblast-growth-factor-23-is-upregulated-in-the-kidney-in-a-chronic-kidney-disease-rat-model
#11
Hidekazu Sugiura, Ai Matsushita, Mayuko Futaya, Atsuko Teraoka, Ken-Ichi Akiyama, Noriyoshi Usui, Nobuo Nagano, Kosaku Nitta, Ken Tsuchiya
The hormone fibroblast growth factor 23 (FGF23) is secreted from bone and is involved in phosphorus (P) metabolism. FGF23 mainly binds the FGF receptor, which interacts with αKlotho in the kidney or parathyroid and regulates Na-dependent phosphate co-transporter type IIa (NaPi-IIa) and type IIc (NaPi-IIc) expression, 1,25-dihydroxyvitamin D3 (1,25(OH)2D3) activity, and parathyroid hormone (PTH) secretion. In this study, we utilized hemi-nephrectomized rats fed a high-P diet (HP Nx), rats subjected to a partial nephrectomy (PN) and rats with doxorubicin-induced renal failure (DXR) as chronic kidney disease (CKD) animal models and analyzed the P metabolism and FGF23 expression in the kidneys in each CKD model...
2018: PloS One
https://www.readbyqxmd.com/read/29515522/targeting-fibroblast-growth-factor-23-signaling-with-antibodies-and-inhibitors-is-there-a-rationale
#12
REVIEW
Seiji Fukumoto
Fibroblast growth factor 23 (FGF23) is a phosphotropic hormone mainly produced by bone. FGF23 reduces serum phosphate by suppressing intestinal phosphate absorption through reducing 1,25-dihydroxyvitamin D and proximal tubular phosphate reabsorption. Excessive actions of FG23 result in several kinds of hypophosphatemic rickets/osteomalacia including X-linked hypophosphatemic rickets (XLH) and tumor-induced osteomalacia. While neutral phosphate and active vitamin D are standard therapies for child patients with XLH, these medications have several limitations both in their effects and adverse events...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29502359/fgf23-neutralizing-antibody-partially-improves-bone-mineralization-defect-of-hmwfgf2-isoforms-transgenic-female-mice
#13
Liping Xiao, Collin Homer-Bouthiette, Marja M Hurley
Mice overexpressing high molecular weight FGF2 isoforms (HMWTg) in osteoblast lineage phenocopy human X-linked hypophosphatemic rickets (XLH) and Hyp murine model of XLH demonstrating increased FGF23/FGF receptor signaling and hypophosphatemic rickets/osteomalacia. Since HMWFGF2 was up-regulated in bones of Hyp mice and abnormal FGF23 signaling is important in XLH, HMWTg mice were used to examine the effect of the FGF23 neutralizing antibody (FGF23Ab). Eight-week-old female Vector control mice and HMWTg mice were treated with FGF23Ab or control IgG...
March 4, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29453876/prognostic-importance-of-fgf2-and-fgfr1-expression-for-patients-affected-by-ameloblastoma
#14
Felipe Paiva Fonseca, Bernar Monteiro Benites, Ciro Dantas Soares, Thayná Melo de Lima Morais, Gleyson Kleber do Amaral-Silva, Oslei Paes de Almeida, Fernando Augusto Soares, Eduardo Rodrigues Fregnani
BACKGROUND: Fibroblast growth factor 2 (FGF2) and FGF receptor 1 (FGFR1) have been investigated in different human neoplasms and were shown to play important roles in the pathogenesis of these diseases; however, very few is known regarding their prognostic importance in the context of ameloblastoma. Therefore, the aim of this study is to investigate if the expression of FGF2 and FGFR1 is associated with ameloblastoma clinical behavior. METHODS: Fifty-eight cases of ameloblastoma arranged in tissue microarray were submitted to immunohistochemistry against FGF2 and FGFR1...
February 17, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29442350/occult-phosphaturic-mesenchymal-tumor-of-femur-cortex-causing-oncogenic-osteomalacia-diagnostic-challenges-and-clinical-outcomes
#15
Deep Dutta, Raghuvansh Kumar Pandey, Rakhee Gogoi, Nagender Solanki, Renu Madan, Anupam Mondal, Shruti Dogra, Pradeep Thapa
BACKGROUND: Tumor induced osteomalacia (TIO) are extremely rare paraneoplastic syndrome with less than 300 reported cases. This report highlights the pitfalls and challenges in diagnosing and localizing TIO in patients with refractory and resistant osteomalacia. PATIENT AND METHODS: 41- year gentleman with 4-year history of musculoskeletal weakness and pathologic fractures presented in wheelchair bound incapacitated state of 1-year duration. Investigations were significant for severe hypophosphatemia, severe phosphaturia, normal serum calcium, reduced 1,25-dihydroxy vitamin-D, elevated ALP, elevated intact parathyroid hormone (iPTH), and pseudo-fractures involving pelvis and bilateral femur...
February 14, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29435025/bromelain-has-significant-clinical-benefits-after-extraction-of-the-third-molar-during-chemotherapy-in-patients-with-hematologic-tumor
#16
Yi Tan, Ping Li
The purpose of this study was to investigate the application of bromelain in the treatment of pain, swelling, and limited mouth opening in patients with hematologic tumor after extraction of the third molar during chemotherapy. We recruited 72 patients with hematologic tumor who were treated by oral and maxillofacial surgery in our hospital, and third molar extraction was performed under local anesthesia. After extraction, patients in the control group were treated with cold - hot compress and patients in the experimental group were treated by oral administration of bromelain...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29367522/low-plasma-levels-of-fibroblast-growth-factor-21-in-patients-with-peripheral-artery-disease
#17
Yoshichika Miyazaki, Emi Saita, Yoshimi Kishimoto, Susumu Ibe, Toshiki Seki, Kotaro Miura, Norie Suzuki-Sugihara, Yukinori Ikegami, Reiko Ohmori, Kazuo Kondo, Yukihiko Momiyama
AIM: Fibroblast growth factor-21 (FGF-21) is a metabolic regulator with beneficial effects on glucolipid metabolism. Since FGF-21 has lipid-lowering, anti-inflammatory and anti-oxidant properties, it may play a protective role against atherosclerosis. However, blood FGF-21 levels in coronary artery disease (CAD) or peripheral artery disease (PAD) have not been elucidated. METHODS: We measured plasma FGF-21 levels in 417 patients undergoing coronary angiography, who also had ankle-brachial index test for PAD screening...
January 24, 2018: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/29363048/association-of-serum-betatrophin-with-fibroblast-growth-factor-21-in-women-with-polycystic-ovary-syndrome
#18
S Kahraman, A E Altinova, M M Yalcin, O Gulbahar, B Arslan, M Akturk, N Cakir, F B Toruner
PURPOSE: Betatrophin and fibroblast growth factor-21 (FGF-21), which are recently discovered members of hepatokine/adipokine family, have been proposed to be associated with some metabolic disorders in which insulin resistance plays a major role. METHODS: We aimed to investigate serum betatrophin and FGF-21 concentrations in women with polycystic ovary syndrome (PCOS). In this cross-sectional study, we recruited 31 women with PCOS and 34 women as healthy controls...
January 23, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29317227/prolonged-exposure-to-1-25-oh-2-d-3-and-high-ionized-calcium-induces-fgf-23-production-in-intestinal-epithelium-like-caco-2-monolayer-a-local-negative-feedback-for-preventing-excessive-calcium-transport
#19
Mayuree Rodrat, Kannikar Wongdee, Nattapon Panupinthu, Jirawan Thongbunchoo, Jarinthorn Teerapornpuntakit, Nateetip Krishnamra, Narattaphol Charoenphandhu
Overdose of oral calcium supplement and excessive intestinal calcium absorption can contribute pathophysiological conditions, e.g., nephrolithiasis, vascular calcification, dementia, and cardiovascular accident. Since our previous investigation has indicated that fibroblast growth factor (FGF)-23 could abolish the 1,25-dihydroxyvitamin D3 [1,25(OH)2 D3 ]-enhanced calcium absorption, we further hypothesized that FGF-23 produced locally in the enterocytes might be part of a local negative feedback loop to regulate calcium absorption...
February 15, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29282520/tgf%C3%AE-counteracts-lyve-1-mediated-induction-of-lymphangiogenesis-by-small-hyaluronan-oligosaccharides
#20
Jochen Bauer, Melanie Rothley, Anja Schmaus, Luca Quagliata, Markus Ehret, Moritz Biskup, Véronique Orian-Rousseau, David G Jackson, Ronald J Pettis, Alfred Harvey, Stefan Bräse, Wilko Thiele, Jonathan P Sleeman
During tissue injury, inflammation, and tumor growth, enhanced production and degradation of the extracellular matrix glycosaminoglycan hyaluronan (HA) can lead to the accumulation of small HA (sHA) oligosaccharides. We have previously reported that accumulation of sHA in colorectal tumors correlates with lymphatic invasion and lymph node metastasis, and therefore, investigated here are the effects of sHA on the lymphatic endothelium. Using cultured primary lymphatic endothelial cells (LECs) and ex vivo and in vivo lymphangiogenesis assays, we found that in contrast to high-molecular-weight HA (HMW-HA), sHA of 4-25 disaccharides in length can promote the proliferation of LECs and lymphangiogenesis in a manner that is dependent on their size and concentration...
February 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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