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https://www.readbyqxmd.com/read/28664839/effects-of-paricalcitol-on-biomarkers-of-inflammation-and-fibrosis-in-kidney-transplant-recipients-results-of-a-randomized-controlled-trial
#1
Manca Oblak, Gregor Mlinšek, Aljoša Kandus, Jadranka Buturović-Ponikvar, Miha Arnol
AIMS: Paricalcitol, a selective vitamin D activator, decreases proteinuria and may reduce graft failure risk in kidney transplant recipients. In this study, we evaluated the effect of paricalcitol on renin-angiotensin system (RAS) activity as well as interleukin (IL)-6 and transforming growth factor (TGF)-β plasma concentrations as biomarkers of inflammation and fibrosis. METHODS: This placebo-controlled, double-blind trial enrolled a national cohort of kidney transplant recipients with urinary protein-to-creatinine ratio (UPCR) ≥ 20 mg/mmol despite optimization of the RAS blockade...
June 30, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28592350/vitamin-d-status-in-renal-transplant-recipients-living-in-a-low-latitude-city-association-with-body-fat-cardiovascular-risk-factors-estimated-glomerular-filtration-rate-and-proteinuria
#2
Kelli T C Rosina, Ana Paula M Menna Barreto, Karine S S Pontes, Cyro J M Martins, Edison Souza, Rachel Bregman, Maria Inês Barreto Silva, Márcia R S T Klein
Recent evidence suggests that vitamin D deficiency is associated with CVD, impaired kidney function and proteinuria. To date, no study has evaluated these associations in renal transplant recipients (RTR) adjusting for body adiposity assessed by a 'gold standard' method. This study aimed to evaluate the vitamin D status and its association with body adiposity, CVD risk factors, estimated glomerular filtration rate (eGFR) and proteinuria in RTR, living in Rio de Janeiro, Brazil (a low-latitude city (22°54'10"S)), taking into account body adiposity evaluated by dual-energy X-ray absorptiometry (DXA)...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28590567/vitamin-d-insufficiency-preterm-delivery-and-preeclampsia-in-women-with-type-1-diabetes-an-observational-study
#3
Marianne Vestgaard, Anna L Secher, Lene Ringholm, Jens-Erik B Jensen, Peter Damm, Elisabeth R Mathiesen
INTRODUCTION: The aim was to evaluate whether vitamin D insufficiency is associated with preterm delivery and preeclampsia in women with type 1 diabetes. MATERIAL AND METHODS: An observational study of 198 pregnant women with type 1 diabetes. 25-Hydroxy-Vitamin D and HbA1c were measured in blood samples in early (median 8 weeks, range 5-14) and late (34 weeks, range 32-36) pregnancy. Kidney involvement (microalbuminuria or nephropathy) at inclusion, smoking status at inclusion, preterm delivery (<37 weeks) and preeclampsia (blood pressure ≥140/90 mmHg and proteinuria) were registered...
June 7, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28576851/urinary-tamm-horsfall-protein-albumin-vitamin-d-binding-protein-and-retinol-binding-protein-as-early-biomarkers-of-chronic-kidney-disease-in-dogs
#4
Fernanda Chacar, Márcia Kogika, Talita R Sanches, Douglas Caragelasco, Cínthia Martorelli, Camila Rodrigues, Jose Manuel C Capcha, Dennis Chew, Lúcia Andrade
Proteinuria is a marker and mediator of chronic kidney disease (CKD). In clinical practice, the urinary protein-to-creatinine ratio (UP/C) is of limited usefulness, because it indicates only the magnitude of proteinuria and not the origin of the loss (glomerular or tubular). The complete assessment of proteinuria includes quantitative and qualitative evaluations, both of which are required in order to optimize the therapy. In addition to measuring the UP/C, we performed SDS-PAGE and western blotting to determine the expression of albumin, vitamin D-binding protein (VDBP), retinol-binding protein (RBP), and Tamm-Horsfall protein (THP) in urine samples of 49 dogs: healthy (control) dogs (n = 9); and dogs with CKD (n = 40), stratified by stage...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28550081/randomized-controlled-trial-for-the-effect-of-vitamin-d-supplementation-on-vascular-stiffness-in-ckd
#5
Adeera Levin, Mila Tang, Taylor Perry, Nadia Zalunardo, Monica Beaulieu, Joshua A Dubland, Kelly Zerr, Ognjenka Djurdjev
BACKGROUND AND OBJECTIVES: Vitamin D is implicated in vascular health in CKD. This study compared placebo, calcifediol, and calcitriol treatment with changes in vascular stiffness, BP, proteinuria, mineral metabolism parameters, C-reactive protein, and fibroblast growth factor 23 in patients with stable CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a double-blind, randomized controlled trial in out-patient CKD clinics in Vancouver, Canada, from February of 2011 to August of 2014, enrolling 119 patients with an eGFR of 15-45 ml/min per 1...
May 26, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28509131/growth-hormone-therapy-for-a-patient-with-idiopathic-fanconi-syndrome-and-growth-hormone-deficiency
#6
Takayuki Okamoto, Yasuyuki Sato, Takeshi Yamazaki, Asako Hayashi, Toshiyuki Takahashi
Idiopathic Fanconi syndrome (FS) is characterized by a generalized dysfunction of the renal proximal tubules. Patients with FS often exhibit growth retardation due to complex factors, such as hypophosphatemia, metabolic acidosis, disturbed vitamin D metabolism and hypokalemia. To date, one FS patient has been reported to exhibit growth failure due to growth hormone deficiency (GHD), but the long-term clinical course of recombinant human GH (rhGH) therapy has not been reported. At 10 months of age, the patient was admitted to our hospital due to growth failure...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28436117/early-introduction-of-oral-paricalcitol-in-renal-transplant-recipients-an-open-label-randomized-study
#7
Hege Kampen Pihlstrøm, Franscesca Gatti, Clara Hammarström, Ivar Anders Eide, Monika Kasprzycka, Junbai Wang, Guttorm Haraldsen, My Hanna Sofia Svensson, Karsten Midtvedt, Geir Mjøen, Dag Olav Dahle, Anders Hartmann, Hallvard Holdaas
In stable renal transplant recipients with hyperparathyroidism, previous studies have indicated that vitamin D agonist treatment might have anti-proteinuric effects. Animal studies indicate possible anti-fibrotic and anti-inflammatory effects. Early introduction of paricalcitol in de novo renal transplant recipients might reduce proteinuria and prevent progressive allograft fibrosis. We performed a single-center, prospective, randomized, open-label trial investigating effects of paricalcitol 2 μg/day added to standard care...
April 24, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28429545/do-the-benefits-of-using-calcitriol-and-other-vitamin-d-receptor-activators-in-patients-with-chronic-kidney-disease-outweigh-the-harms
#8
Nigel D Toussaint, Matthew J Damasiewicz
The primary indication for administration of calcitriol or other vitamin D receptor activators (VDRA) in chronic kidney disease (CKD) is secondary hyperparathyroidism (SHPT). Prevention and treatment of SHPT appears important, as imbalances in mineral metabolism are associated with renal osteodystrophy, and higher parathyroid hormone (PTH) levels are associated with increased rates of mortality and morbidity in CKD patients. There is, however, a lack of controlled trial data that show lowering PTH with calcitriol/VDRA equates to improved clinical outcomes...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28367447/association-between-parathyroid-hormone-25-oh-vitamin-d-and-chronic-kidney-disease-a-population-based-study
#9
Wei-Hao Wang, Li-Wei Chen, Chin-Chan Lee, Chiao-Yin Sun, Yu-Chiau Shyu, Heng-Rong Hsu, Rong-Nang Chien, I-Wen Wu
Identification of the accurate risk factor for CKD remains mandatory to combat the high prevalence of diseases. Growing evidence suggests the association of serum vitamin D with diverse health conditions. However, the relationship between vitamin D, intact parathyroid hormone (PTH), and calcium-phosphate metabolism and development of CKD remains controversial. We conduct this cross-sectional observational study to investigate the association between serum 25 (OH) vitamin D, intact PTH, and calcium and phosphate levels with eGFR and albuminuria, as a surrogate marker of CKD, in a community population...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28286758/role-of-vitamin-d-in-uremic-vascular-calcification
#10
REVIEW
Yi-Chou Hou, Wen-Chih Liu, Cai-Mei Zheng, Jing-Quan Zheng, Tzung-Hai Yen, Kuo-Cheng Lu
The risk of cardiovascular death is 10 times higher in patients with CKD (chronic kidney disease) than in those without CKD. Vascular calcification, common in patients with CKD, is a predictor of cardiovascular mortality. Vitamin D deficiency, another complication of CKD, is associated with vascular calcification in patients with CKD. GFR decline, proteinuria, tubulointerstitial injury, and the therapeutic dose of active form vitamin D aggravate vitamin D deficiency and reduce its pleiotropic effect on the cardiovascular system...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28246129/low-sodium-diet-vitamin-d-or-both-for-raasi-resistant-residual-proteinuria-in-ckd-the-virtue-trial-points-the-way-forward-but-is-not-the-last-word
#11
EDITORIAL
David Goldsmith, Ravi I Thadhani
No abstract text is available yet for this article.
April 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28088187/a-double-blind-randomized-placebo-controlled-trial-of-combined-calcitriol-and-ergocalciferol-versus-ergocalciferol-alone-in-chronic-kidney-disease-with-proteinuria
#12
Paweena Susantitaphong, Siriwan Nakwan, Sadudee Peerapornratana, Khajohn Tiranathanagul, Pisut Katavetin, Nattachai Srisawat, Kearkiat Praditpornsilpa, Somchai Eiam-Ong
BACKGROUND: KDOQI guideline suggests that nutritional vitamin D should be supplemented in chronic kidney disease (CKD) patients who have vitamin D insufficiency/deficiency. However, there are scarce data regarding the additional benefit of active vitamin D supplement in CKD patients who were receiving nutritional vitamin D supplement. This study was conducted to explore the effect of adding active vitamin D to nutritional vitamin D supplement on proteinuria and kidney function in CKD with vitamin D insufficiency/deficiency...
January 14, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28063327/serum-levels-of-fibroblast-growth-factor-23-are-elevated-in-patients-with-active-lupus-nephritis
#13
Aline L Resende, Rosilene M Elias, Myles Wolf, Luciene M Dos Reis, Fabiana G Graciolli, Geuza D Santos, Cristiane B Dias, Vanda Jorgetti, Viktoria Woronik, Rosa M A Moysés
BACKGROUND: Fibroblast growth factor 23 (FGF23), a phosphate-regulating hormone is an established cardiovascular risk factor. Recently, FGF23 has been related to inflammation. Lupus is an inflammatory disease, and whether FGF23 is associated with Lupus nephritis (LN) activity is unknown. MATERIALS AND METHODS: We studied 15 pre-menopausal patients with recent LN diagnose (⩽2months) and compared them to 1:1 age-matched healthy control group. We measured serum levels of intact FGF23, interleukin-6 (IL-6), tumor necrosis factor α (TNFα), and urinary levels of monocyte chemotactic protein (MCP1)...
March 2017: Cytokine
https://www.readbyqxmd.com/read/28042548/effect-of-vitamin-d-on-proteinuria-in-type-2-diabetic-patients
#14
Ali Momeni, Mahmood Mirhosseini, Mohsen Kabiri, Soleiman Kheiri
BACKGROUND: Vitamin D (Vit D) deficiency is a common disorder in diabetic patients and may be a risk factor for ischemic heart disease and exacerbation of diabetic nephropathy(DN). OBJECTIVES: The aim of this study was to evaluate the effect of Vit D3 therapy on protein uriain type 2 diabetic patients with deficient or insufficient serum Vit D. PATIENTS AND METHODS: In a double blind clinical trial, 60 type 2 diabetic patients with proteinuria greater than 150 mg/day who had Vit D deficiency or insufficiency were randomly enrolled in two equal groups...
January 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/27887750/chronic-kidney-disease
#15
REVIEW
Angela C Webster, Evi V Nagler, Rachael L Morton, Philip Masson
The definition and classification of chronic kidney disease (CKD) have evolved over time, but current international guidelines define this condition as decreased kidney function shown by glomerular filtration rate (GFR) of less than 60 mL/min per 1·73 m(2), or markers of kidney damage, or both, of at least 3 months duration, regardless of the underlying cause. Diabetes and hypertension are the main causes of CKD in all high-income and middle-income countries, and also in many low-income countries. Incidence, prevalence, and progression of CKD also vary within countries by ethnicity and social determinants of health, possibly through epigenetic influence...
March 25, 2017: Lancet
https://www.readbyqxmd.com/read/27818017/low-maternal-25-hydroxyvitamin-d-concentration-increases-the-risk-of-severe-and-mild-preeclampsia
#16
Katharyn M Baca, Hyagriv N Simhan, Robert W Platt, Lisa M Bodnar
PURPOSE: The objective of this case-cohort study was to evaluate the relationship between maternal 25-hydroxyvitamin D (25(OH)D) concentration and preeclampsia overall and by severity. METHODS: From an eligible cohort of 12,861 women who had serum banked from aneuploidy screening in Pittsburgh, Pennsylvania from 1999 to 2010, we randomly sampled a subcohort of 2327 pregnancies and all remaining preeclampsia cases (n = 650 cases). Preeclampsia (defined as new-onset hypertension and proteinuria) and its mild and severe forms were identified using ICD-9 codes...
December 2016: Annals of Epidemiology
https://www.readbyqxmd.com/read/27806690/vitamin-d-deficiency-may-predict-a-poorer-outcome-of-iga-nephropathy
#17
Xiao-Hua Li, Xin-Ping Huang, Ling Pan, Cheng-Yu Wang, Ju Qin, Feng-Wei Nong, Yu-Zhen Luo, Yue Wu, Yu-Ming Huang, Xi Peng, Zhen-Hua Yang, Yun-Hua Liao
BACKGROUND: Experimental studies showed that 25-hydroxy-vitamin D [25(OH)D] deficiency (defined as 25-hydroxy-vitamin D < 15 ng/ml) has been associated with CKD progression. Patients with IgA nephropathy have an exceptionally high rate of severe 25(OH)D deficiency; however, it is not known whether this deficiency is a risk factor for progression of IgA nephropathy. We conducted this study to investigate the relationship between the plasma level of 25(OH)D and certain clinical parameters and renal histologic lesions in the patients with IgA nephropathy, and to evaluate whether the 25(OH)D level could be a good prognostic marker for IgA nephropathy progression...
November 2, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27539761/serum-25-hydroxy-vitamin-d-level-in-preeclamptic-and-normotensive-pregnancies
#18
Naima Umar, Ambreen Tauseef, Fazeela Shahzad, Sana Sabir, Shumaela Kanwal, Ayesha Akmal, Sibgha Zulfiqar
OBJECTIVE: To compare serum 25-hydroxy vitamin D level between preeclamptic and normotensive pregnancies. STUDY DESIGN: Cross-sectional analytical study. PLACE AND DURATION OF STUDY: Department of Physiology, Federal Postgraduate Medical Institute, Shaikh Zayed Hospital, Lahore, in collaboration with Sir Ganga Ram Hospital and Lady Willingdon Hospital, Lahore, from March 2012 to April 2012. METHODOLOGY: Thirty registered preeclamptic patients with systolic and diastolic blood pressure > 140/90 mm Hg on more than two occasions, 6 hours apart, and proteinuria at least 300 mg in 24-hour urine collection; and 30 normotensive uncomplicated pregnant women matched for age, gestational age, parity and BMI were included by convenient sampling technique...
August 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27509583/from-man-to-fish-what-can-zebrafish-tell-us-about-apol1-nephropathy
#19
Opeyemi Olabisi, Khaldoun Al-Romaih, Joel Henderson, Ritu Tomar, Iain Drummond, Calum MacRae, Martin Pollak
BACKGROUND: Risk variant Apolipoprotein L1 (G1/G2) are strongly associated with a spectrum of kidney disease in people of recent African descent. The mechanism of ApoL1 nephropathy is unknown. Podocytes and/or endothelial cells are the presumed target kidney cells. Given the close homology in structure and function of zebrafish (ZF) pronephros and human nephron, we studied the effect of podocyte-specific or endothelium-specific expression of ApoL1 (G0, G1, or G2) on the structure and function of ZF pronephros...
2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27483020/higher-25-hydroxyvitamin-d-levels-are-associated-with-lower-proteinuria-in-kidney-transplant-recipients
#20
REVIEW
Jean J Filipov, Borelli K Zlatkov, Emil P Dimitrov, Dobrin A Svinarov
OBJECTIVES: Proteinuria is associated with decreased graft and patient survival after kidney transplantation. Increasing evidence shows that vitamin D has antiproteinuric and renoprotective effects. The aim of our study was to assess the influence of 25-hydroxyvitamin D levels on proteinuria after kidney transplantation. MATERIAL AND METHODS: Between May 1, 2012, and November 30, 2012, we tested 395 kidney transplant recipients for 25-hydroxyvitamin D levels during their regular visits to our transplant center together with routine blood sampling and proteinuria testing...
December 2016: Experimental and Clinical Transplantation
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