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Yi-Chih Lin, Yu-Hsing Chang, Shao-Yu Yang, Kwan-Dun Wu, Tzong-Shinn Chu
Diabetic kidney disease (DKD) is a major cause of morbidity and mortality in patients with diabetes mellitus and the leading cause of end-stage renal disease in the world. The most characteristic marker of DKD is albuminuria, which is associated with renal disease progression and cardiovascular events. Renal hemodynamics changes, oxidative stress, inflammation, hypoxia and overactive renin-angiotensin-aldosterone system (RAAS) are involved in the pathogenesis of DKD, and renal fibrosis plays the key role. Intensified multifactorial interventions, including RAAS blockades, blood pressure and glucose control, and quitting smoking, help to prevent DKD development and progression...
February 24, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
Karima Farhat, Andrea W Stavenuiter, Marc Vervloet, Pieter M Ter Wee, Robert H Beelen, Frans J van Ittersum
BACKGROUND: Long-term peritoneal dialysis (PD) is frequently complicated by technique failure preceded by peritoneal remodeling. Vitamin D has potent immunomodulatory characteristics: anti-inflammatory, anti-angiogenic, anti-fibrotic properties, and influences on the macrophage phenotype. Little is known about the relation between pleiotropic effects attributed to vitamin D3 and the peritoneal membrane and what is the most appropriate vitamin D sterol in prevention of peritoneal remodeling in PD patients...
January 31, 2018: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
Josep M Cruzado, Ricardo Lauzurica, Julio Pascual, Roberto Marcen, Francesc Moreso, Alex Gutierrez-Dalmau, Amado Andrés, Domingo Hernández, Armando Torres, Maria Isabel Beneyto, Edoardo Melilli, Anna Manonelles, Manuel Arias, Manuel Praga
Introduction: Secondary hyperparathyroidism (SHPT) and vitamin D deficiency are common at kidney transplantation and are associated with some early and late complications. This study was designed to evaluate whether paricalcitol was more effective than nutritional vitamin D for controlling SHPT in de novo kidney allograft recipients. Methods: This was a 6-month, investigator-initiated, multicenter, open-label, randomized clinical trial. Patients with pretransplantation iPTH between 250 and 600 pg/ml and calcium <10 mg/dl were randomized to paricalcitol (PAR) or calcifediol (CAL)...
January 2018: KI Reports
B Spoto, P Pizzini, S Cutrupi, G Tripepi, G Curatola, F Mallamaci, C Zoccali
BACKGROUND AND AIMS: The nature of the link (causal vs non-causal) between low 1,25-OH vitamin D and insulin resistance (IR) in patients with chronic kidney disease (CKD) remains elusive. We have now made a post hoc analysis of the effect of vitamin D receptor activation by paricalcitol on IR in the complete dataset of a double-blind, randomized, placebo controlled trial, the Paricalcitol and ENdothelial fuNction in chronic kidneY disease (PENNY). METHODS AND RESULTS: Eighty-eight patients with stage 3-4 CKD were randomized (1:1) to receive 2 μg/day paricalcitol or matching placebo for 12 weeks...
December 7, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Michalis Giakoumis, Costas Tsioufis, Kyriakos Dimitriadis, Makro Sonikian, Alexandros Kasiakogias, Eirini Andrikou, Theodoros Kalos, Dimitrios Konstantinidis, Konstantinos Filis, Dimitrios Petras, Dimitrios Tousoulis
BACKGROUND: Arterial stiffness is linked to the progression of atherosclerosis, while activation of vitamin D receptor exerts favorable cardiovascular effects in patients with renal insufficiency. In this study, we investigated the effects of oral treatment with paricalcitol, a potent vitamin D receptor activator on arterial stiffness and osteopontin, a marker of atherosclerosis, in hypertensive patients with chronic kidney disease (CKD) and secondary hyperparathyroidism. METHODS: We followed up 29 treated hypertensive patients (mean age 74...
January 3, 2018: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
Belinda Spoto, Patrizia Pizzini, Giovanni Tripepi, Francesca Mallamaci, Carmine Zoccali
Background: The fibroblast growth factor 23 (FGF23) response to phosphate load is suppressed in adiponectin gene null mice and substantially amplified in mice overexpressing the same gene and vitamin D receptor (VDR) activation markedly enhances FGF23 gene expression. Methods: We performed an analysis of the static (baseline adiponectin levels) and dynamic (fluctuations in adiponectin levels) interactions of serum adiponectin with the FGF23 response to paricalcitol and placebo in the setting of a double-blind, randomized clinical trial in chronic kidney disease (CKD) patients (NCT01680198)...
February 3, 2018: Nephrology, Dialysis, Transplantation
Michał Ciebiera, Krzysztof Łukaszuk, Błażej Męczekalski, Magdalena Ciebiera, Cezary Wojtyła, Aneta Słabuszewska-Jóźwiak, Grzegorz Jakiel
Uterine fibroids (UFs) are the most common tumors of the female genital tract. The effect of UFs on the quality of life and the overall cost of treatment are significant issues worldwide. Tumor size and location are the two specific factors which influence the occurrence of symptoms, the need for, and method of, treatment (some tumors require surgery while some can be treated with selected drugs). Primary prevention and treatment of early UF disease are worthy goals that might have a great impact on health care systems...
December 1, 2017: International Journal of Molecular Sciences
Zuzana Žilinská, Ivana Dedinská, Ján Breza, Ludovít Laca
INTRODUCTION: The Kidney Disease: Improving Global Outcomes Clinical Practice Guidelines on the management of bone disease in patients with chronic kidney disease recommend periodic measurement of serum calcium, phosphorus, vitamin D, and parathyroid hormone levels after kidney transplantation, with the frequencies that will vary according to the severity of bone disease and graft function. Paricalcitol, a selective vitamin D receptor activator, is indicated in the prevention and treatment of secondary hyperparathyroidism...
November 2017: Iranian Journal of Kidney Diseases
Amir Tajbakhsh, Alireza Pasdar, Mehdi Rezaee, Mostafa Fazeli, Saman Soleimanpour, Seyed Mahdi Hassanian, Zahra FarshchiyanYazdi, Tayebe Younesi Rad, Gordon A Ferns, Amir Avan
Calcium ions (Ca2+ ) act as second messengers in intracellular signaling. Ca2+ pumps, channels, sensors, and calcium binding proteins, regulate the concentrations of intracellular Ca2+ as a key regulator of important cellular processes such as gene expression, proliferation, differentiation, DNA repair, apoptosis, metastasis, and hormone secretion. Intracellular Ca2+ also influences the functions of several organelles, that include: the endoplasmic reticulum, mitochondria, the Golgi, and cell membrane both in normal and breast cancer cells...
November 18, 2017: Journal of Cellular Physiology
Elena Oliva-Damaso, Nestor Oliva-Damaso, Francisco Rodriguez-Esparragon, Juan Payan, Alberto Marañes, Yanet Parodis, Lopez Eduardo Baamonde-Laborda, Nicanor Vega Diaz, Jose Carlos Rodriguez-Perez
Introduction: Chronic kidney disease is a major public health problem. In the last decade, it has been shown that the early stages of chronic kidney disease are associated with an inflammatory condition involving an increased risk of cardiovascular morbidity and long-term mortality. In patients with chronic kidney disease and more specifically those on hemodialysis, cardiovascular events are the most common cause of death. Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide synthase and may be an independent risk factor for endothelial dysfunction and cardiovascular disease...
March 2017: KI Reports
Aneliya Parvanova, Matias Trillini, Manuel A Podestà, Ilian Petrov Iliev, Barbara Ruggiero, Manuela Abbate, Annalisa Perna, Francesco Peraro, Olimpia Diadei, Nadia Rubis, Flavio Gaspari, Fabiola Carrara, Nadia Stucchi, Antonio Belviso, Antonio C Bossi, Roberto Trevisan, Giuseppe Remuzzi, Martin de Borst, Piero Ruggenenti
BACKGROUND: Macroalbuminuria predicts renal and cardiovascular events in patients with type 2 diabetes. We aimed to assess the albuminuria-lowering effects of salt restriction, paricalcitol therapy, or both, in this population. METHODS: In this randomised, double-blind, placebo-controlled, crossover trial, we recruited adult patients with type 2 diabetes from six diabetology outpatient clinics in northern Italy, with 24 h albuminuria of more than 300 mg despite 100 mg per day losartan therapy, blood pressure of less than 140/90 mm Hg, serum creatinine concentration of less than 2 mg/dL, stable renal function on stable renin-angiotensin system inhibitor therapy with a fixed dose of losartan, parathyroid hormone concentration of 20 pg/mL to <110 pg/mL, serum calcium concentration of less than 9·5 mg/dL, and serum phosphate concentration of less than 5 mg/dL, who had been more than 80% compliant with placebo treatment during a 1 month placebo run-in...
November 2, 2017: Lancet Diabetes & Endocrinology
Beatriz Fernandez-Fernandez, Alberto Ortiz
No abstract text is available yet for this article.
January 2018: Lancet Diabetes & Endocrinology
Jacek Zawierucha, Jolanta Małyszko, Jacek Małyszko, Tomasz Prystacki, Wojciech Marcinkowski, Teresa Dryl-Rydzyńska
INTRODUCTION    Secondary hyperparathyroidism (SHPT) is a common hormonal disorder associated with  chronic kidney disease (CKD). SHPT treatment should lead to reduction of parathormon concentration by calcimimetics or active vitamin D administration and calcium-phosphate metabolism stabilization. In the event of failure of conservative treatment complete or partial parathyroid resection should be considered.  OBJECTIVES    The aim of the study was assessement of beneficial effects of treatment with paricalcitol and cinacalcet simultaneously versus paricalcitol alone...
October 25, 2017: Polish Archives of Internal Medicine
Sathish Karmegam, Anupkumar Shetty
A 60-year-old African American man with end stage renal disease on hemodialysis (HD) for the past 2.5 years developed severe hyperparathyroidism. Other past medical history included atrial fibrillation, type II diabetes mellitus, hypertension, gout, pericardial effusion needing pericardial window, deep vein thrombosis, mitral insufficiency, and cardiomyopathy with implantable cardioversion device placement. His parathyroid hormone (PTH) level peaked at 4,191 pg/mL despite being on cinacalcet, sevelamer, and paricalcitol...
October 2017: Hemodialysis International
Longchuan Yu, James E Tomlinson, Shawn T Alexander, Kelly Hensley, Chun-Ya Han, Denise Dwyer, Marina Stolina, Charles Dean, William G Goodman, William G Richards, Xiaodong Li
Etelcalcetide, a novel peptide agonist of the calcium-sensing receptor, prevents vascular calcification in a rat model of renal insufficiency with secondary hyperparathyroidism. Vascular calcification occurs frequently in patients with chronic kidney disease (CKD) and is a consequence of impaired mineral homeostasis and secondary hyperparathyroidism (SHPT). Etelcalcetide substantially lowers parathyroid hormone (PTH) and fibroblast growth factor-23 (FGF23) levels in SHPT patients on hemodialysis. This study compared the effects of etelcalcetide and paricalcitol on vascular calcification in rats with adenine-induced CKD and SHPT...
December 2017: Calcified Tissue International
Jung Sun Park, Hoon In Choi, Eun Hui Bae, Seong Kwon Ma, Soo Wan Kim
Background/Aims: Indoxyl sulfate (IS) is a uremic toxin and an important causative factor in the progression of chronic kidney disease. Recently, paricalcitol (19-nor-1,25-dihydroxyvitamin D2) was shown to exhibit protective effects in kidney injury. Here, we investigated the effects of paricalcitol treatment on IS-induced renal tubular injury. Methods: The fluorescent dye 2',7'-dichlorofluorescein diacetate was used to measure intracellular reactive oxygen species (ROS) following IS administration in human renal proximal tubular epithelial (HK-2) cells...
October 10, 2017: Korean Journal of Internal Medicine
Claudia Torino, Patrizia Pizzini, Sebastiano Cutrupi, Rocco Tripepi, Giovanni Tripepi, Francesca Mallamaci, Carmine Zoccali
BACKGROUND: Vitamin D associates with the plasma concentration of the endogenous inhibitor of the nitric oxide system asymmetric dimethyl arginine (ADMA) and cross-sectional studies in CKD patients treated with the vitamin D receptor activator paricalcitol show that plasma ADMA is substantially less than in those not receiving this drug. METHODS: In the frame of a randomized, double-blind, placebo controlled trial, the Paracalcitol and ENdothelial fuNction in chronic kidneY disease (PENNY), we investigated whether vitamin D receptor activation by paricalcitol (2 μg/day x 12 weeks) affects the plasma concentration of ADMA and symmetric dimethyl arginine (SDMA) in 88 patients with stage 3 to 4 CKD...
2017: PloS One
Nicholas Obermüller, Alexander R Rosenkranz, Hans-Walter Müller, Dennis Hidde, András Veres, Sabine Decker-Burgard, Isolde Weisz, Helmut Geiger
Paricalcitol is approved for prevention and therapy of secondary hyperparathyroidism (sHPT) in patients with chronic kidney disease (CKD), with only short-term data in clinical routine settings. A 12-month observational study was conducted in Germany and Austria (90 centers, 761 patients) from 2008 to 2013. Laboratory values, demographical, and clinical data were documented in 629 dialysis patients and 119 predialysis patients. In predialysis patients, median intact parathormone (iPTH) was 180.0 pg/mL (n = 105) at the start of the study, 115...
September 28, 2017: International Journal of Molecular Sciences
Ning Liu, Han Su, Yalin Zhang, Zuwang Liu, Juan Kong
1,25-dihydroxyvitamin D3 and its analog (paricalcitol) have beneficial effects on multiple systems and diseases, including myocarditis. However, the therapeutic effect of cholecalciterol cholesterol emulsion (CCE) on myocarditis and the role of pyroptosis in the progress of myocarditis have not been determined. The objective of this study was to investigate the effect of CCE on experimental autoimmune myocarditis and its underlying mechanisms. The ratio of heart weight to body weight was decreased after CCE treatment compared with vehicle-treated controls...
November 4, 2017: Biochemical and Biophysical Research Communications
Yu Ah Hong, Keum Jin Yang, So Young Jung, Ki Cheol Park, Hyunsu Choi, Jeong Min Oh, Sang Ju Lee, Yoon Kyung Chang, Cheol WheePark, Chul Woo Yang, Suk Young Kim, Hyeon Seok Hwang
[This corrects the article DOI: 10.1155/2017/5031926.].
2017: Oxidative Medicine and Cellular Longevity
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