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kidney chronic

Sunil K George, Mehran Abolbashari, John D Jackson, Tamer Aboushwareb, Anthony Atala, James J Yoo
Chronic kidney disease (CKD) occurs when certain conditions cause the kidneys to gradually lose function. For patients with CKD, renal transplantation is the only treatment option that restores kidney function. In this study, we evaluated primary renal cells obtained from diseased kidneys to determine whether their normal phenotypic and functional characteristics are retained, and could be used for cell therapy. Primary renal cells isolated from both normal kidneys (NK) and diseased kidneys (CKD) showed similar phenotypic characteristics and growth kinetics...
2016: PloS One
M C Gouveia, J P Vella, F R Cafeo, F L Affonso Fonseca, M R Bacci
OBJECTIVE: Irisin is a muscle-secreted protein released into the circulation by cleavage of fibronectin type III domain containing protein 5(FNDC5). Since its discovery in 2012, it has been the subject of many researches due to its physiological role. It is believed that understanding irisin's function may be the key to comprehend many diseases and their development. The aim of this study is to perform a systematic review in order to establish whether there is an association of irisin's levels with obesity, diabetes mellitus, non-alcoholic steatohepatitis, chronic kidney disease and cancer in terms of prognosis...
October 2016: European Review for Medical and Pharmacological Sciences
Cunlin Wang, Robert Kane, Mark Levenson, Jeffrey Kelman, Michael Wernecke, Joo-Yeon Lee, Steven Kozlowski, Carmen Dekmezian, Zhiwei Zhang, Aliza Thompson, Kimberly Smith, Yu-Te Wu, Yuqin Wei, Yoganand Chillarige, Qin Ryan, Chris Worrall, Thomas E MaCurdy, David J Graham
Importance: In 2011, the US Centers for Medicare & Medicaid Services (CMS) changed its reimbursement policy for hemodialysis to a bundled comprehensive payment system that included the cost of erythrocyte-stimulating agents (ESAs). Also in 2011, the US Food and Drug Administration revised the drug label for ESAs, recommending more conservative dosing in patients with chronic kidney disease. In response to concerns that these measures could have adverse effects on patient care and outcomes, the CMS and the FDA initiated a collaboration to assess the effect...
October 24, 2016: JAMA Internal Medicine
Giorgina B Piccoli, Federica Ventrella, Irene Capizzi, Federica N Vigotti, Elena Mongilardi, Giorgio Grassi, Valentina Loi, Gianfranca Cabiddu, Paolo Avagnina, Elisabetta Versino
Low-protein diets (LPDs) are often considered as contraindicated in diabetic patients, and are seldom studied. The aim of this observational study was to provide new data on this issue. It involved 149 diabetic and 300 non-diabetic patients who followed a LPD, with a personalized approach aimed at moderate protein restriction (0.6 g/day). Survival analysis was performed according to Kaplan-Meier, and multivariate analysis with Cox model. Diabetic versus non-diabetic patients were of similar age (median 70 years) and creatinine levels at the start of the diet (2...
October 21, 2016: Nutrients
Henrieta Škovierová, Eva Vidomanová, Silvia Mahmood, Janka Sopková, Anna Drgová, Tatiana Červeňová, Erika Halašová, Ján Lehotský
Homocysteine (Hcy) is a sulfur-containing non-proteinogenic amino acid derived in methionine metabolism. The increased level of Hcy in plasma, hyperhomocysteinemia, is considered to be an independent risk factor for cardio and cerebrovascular diseases. However, it is still not clear if Hcy is a marker or a causative agent of diseases. More and more research data suggest that Hcy is an important indicator for overall health status. This review represents the current understanding of molecular mechanism of Hcy metabolism and its link to hyperhomocysteinemia-related pathologies in humans...
October 20, 2016: International Journal of Molecular Sciences
Zengchun Ye, Qunzi Zhang, Yan Li, Cheng Wang, Jun Zhang, Xinxin Ma, Hui Peng, Tanqi Lou
Hyperhomocysteinemia (HHcy) is recognized as a risk factor for cardiovascular disease. However, the prevalence of HHcy and its role in association with target organ damage in patients with chronickidney disease (CKD) are not well understood. This cross-sectional study included 1042 CKD patients who were admitted to our hospital. Patients were divided into two groups: hyperhomocysteinemia and normohomocysteinemia. Multivariable linear regression analyses were used to evaluate the association between plasma homocysteine and renal/cardiovascular parameters...
October 20, 2016: Nutrients
Annabelle Pourbaix, Nacera Ouali, Patrick Soussan, Anne Marie Roque Afonso, Marie-Noelle Péraldi, Eric Rondeau, Julie Peltier
Hepatitis E virus (HEV) can cause chronic infection among immunocompromised patients, especially solid organ transplant (SOT) recipients, and can evolve to cirrhosis. Several modes of transmission are known. Here we describe the first 2 cases, to our knowledge, of HEV infection transmitted by a kidney graft from the same infected donor that led to chronic hepatitis. Consequently, systematic screening of donors by HEV serology and HEV RNA detection by polymerase chain reaction, particularly in endemic regions, should be considered...
October 24, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
Hoon Suk Park, Chan Joon Kim, Byung-Hee Hwang, Tae-Hoon Kim, Yoon Seok Koh, Hun-Jun Park, Sung-Ho Her, Sung Won Jang, Chul-Soo Park, Jong Min Lee, Hee-Yeol Kim, Doo Soo Jeon, Pum-Joon Kim, Ki-Dong Yoo, Kiyuk Chang, Dong Chan Jin, Ki-Bae Seung
Chronic kidney disease (CKD) is a significant risk factor for contrast induced acute kidney injury (CI-AKI) after percutaneous coronary intervention (PCI). This study included 1592 CKD patients extracted from a prospective multicenter, all comer-based registry of patients undergoing PCI. In multivariate logistic analysis for CI-AKI development, a significant linear trend was observed between the quartiles of HDL-C (quartile 1 vs. 2: odds ratio [OR], 0.716; 95% confidence interval [CI], 0.421-1.219; quartile 1 vs...
October 24, 2016: Scientific Reports
Shaoling Jiang, Hanchang He, Lishan Tan, Liangliang Wang, Zhengxiu Su, Yufeng Liu, Hongguo Zhu, Menghuan Zhang, Fan Fan Hou, Aiqing Li
Salt plays an essential role in the progression of chronic kidney disease and hypertension. However, the mechanisms underlying pathogenesis of salt-induced kidney damage remain largely unknown. Here, Sprague-Dawley rats, that underwent 5/6 nephrectomy (5/6Nx, a model of advanced kidney damage) or sham operation, were treated for 2 weeks with a normal or high-salt diet. We employed aTiO2 enrichment, iTRAQ labeling and liquid-chromatography tandem mass spectrometry strategy for proteomic and phosphoproteomic profiling of the renal cortex...
October 24, 2016: Scientific Reports
Anna Gluba-Brzózka, Beata Franczyk, Piotr Bartnicki, Magdalena Rysz-Górzyńska, Jacek Rysz
BACKGROUND: Chronic kidney disease (CKD) poses a worldwide public health problem. CKD is an independent risk factor for cardiovascular disease (CVD). OBJECTIVE: The aim of this study was to assess the cardiovascular risk in ESRD patients and to evaluate the relationship between serum uric acid and lipoprotein subfractions. METHODS: The study group consisted of 66 patients on dialysis and control group of 25 healthy volunteers. Concentration of HDL and LDL subfractions were analysed with Lipoprint™...
October 21, 2016: Current Vascular Pharmacology
Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Diabetes mellitus is a vastly prevalent metabolic disorder with escalating global health concerns. Particularly when mismanaged, chronic micro- and macrovascular complications may highly impair physiological systems while immunodeficiency disposes us to infection. OBJECTIVE: We investigate infections, localized complications, and neoplasms of the genitourinary system secondary to the chronic complications of diabetes mellitus in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and the genitourinary system...
October 19, 2016: Current Diabetes Reviews
Amy E Felumlee, Angela J Marolf, Elissa K Randall, Annette M Bachand, Jessica M Quimby
Measurement of glomerular filtration rate (GFR) via gamma camera uptake of 99mTc-diethylenetriaminepentaacetic acid is a standard method for quantifying renal function. Aims of this retrospective, observer agreement study were to determine intra- and interobserver variation in GFR values for cats with chronic kidney disease and to determine whether renal insufficiency classification changed between observers. Guideline cut-points were established for the difference in repeated GFRs to differentiate changes caused by therapeutic effect vs...
October 23, 2016: Veterinary Radiology & Ultrasound
A S Vidane, A O Pinheiro, J B Casals, D Passarelli, McFns Hage, R S Bueno, D S Martins, C E Ambrósio
Chronic kidney disease (CKD) is a common clinical condition in domestic cats, characterized by tubulointerstitial, vascular and glomerular inflammation and severe fibrosis. Studies in rodent model of induced CKD have shown a decrease and stabilization of the clinical condition. In this study was evaluated the safety and effect of intrarenal and intravenous infusion of allogeneic mesenchymal stem cells (AMSCs) derived from feline amniotic membrane in cats with naturally occurring CKD. Cat AMSCs were harvested after mechanical and enzymatic digestion of amnion...
October 23, 2016: Reproduction in Domestic Animals, Zuchthygiene
Christiana Aryee, William K B A Owiredu, James Osei-Yeboah, Ellis Owusu-Dabo, Edwin F Laing, Isaac K Owusu
The surge in prevalence of chronic noncommunicable diseases like hypertension and chronic kidney disease has been linked with modifiable lifestyle practices and increased body fat. This study sought to compare the association between different modifiable lifestyle practices, adiposity indices, renal function parameters, and hypertension as well as the predictive implications for levels of these parameters in target cardiac organ damage among an urban Ghanaian hypertensive population. Using a hospital-based case-control study design, 241 Ghanaian indigenes from the Kumasi metropolis were recruited for this study...
2016: International Journal of Hypertension
Yasuhiro Imaeda, Hidekazu Tokuhara, Yoshiyuki Fukase, Ray Kanagawa, Yumiko Kajimoto, Keiji Kusumoto, Mitsuyo Kondo, Gyorgy Snell, Craig A Behnke, Takanobu Kuroita
The aspartic proteinase renin is an attractive target for the treatment of hypertension and cardiovascular/renal disease such as chronic kidney disease and heart failure. We introduced an S1' site binder into the lead compound 1 guided by structure-based drug design (SBDD), and further optimization of physicochemical properties led to the discovery of benzimidazole derivative 10 (1-(4-methoxybutyl)-N-(2-methylpropyl)-N-[(3S,5R)-5-(morpholin-4-yl)carbonylpiperidin-3-yl]-1H-benzimidazole-2-carboxamide hydrochloride, TAK-272) as a highly potent and orally active renin inhibitor...
October 13, 2016: ACS Medicinal Chemistry Letters
H Xu, J Ärnlöv, B Sandhagen, U Risérus, B Lindholm, L Lind, J J Carrero
BACKGROUND AND AIMS: Unhealthy dietary fats are associated with faster kidney function decline. The cell membrane composition of phospholipid fatty acids (FAs) is a determinant of membrane fluidity and rheological properties. These properties, which have been linked to kidney damage, are thought to be reflected by the lipophilic index (LI). We prospectively investigated the associations of LI with kidney function and its decline. METHODS AND RESULTS: Observational study from the Prospective Investigation of Vasculature in Uppsala Seniors including 975 men and women with plasma phospholipid FAs composition and cystatin-C estimate glomerular filtration rate (eGFR)...
September 16, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Leslie Gewin, Roy Zent, Ambra Pozzi
Tubulointerstitial fibrosis, tubular atrophy, and peritubular capillary rarefaction are major hallmarks of chronic kidney disease. The tubulointerstitium consists of multiple cell components including tubular epithelial, mesenchymal (fibroblasts and pericytes), endothelial, and inflammatory cells. Crosstalk among these cell components is a key component in the pathogenesis of this complex disease. After severe or recurrent injury, the renal tubular epithelial cells undergo changes in structure and cell cycle that are accompanied by altered expression and production of cytokines...
October 20, 2016: Kidney International
Frank Bridoux, Vincent Javaugue, Sébastien Bender, Fannie Leroy, Pierre Aucouturier, Céline Debiais-Delpech, Jean-Michel Goujon, Nathalie Quellard, Amélie Bonaud, Marie Clavel, Patrick Trouillas, Florent Di Meo, Jean-Marc Gombert, Jean-Paul Fermand, Arnaud Jaccard, Michel Cogné, Guy Touchard, Christophe Sirac
Randall-type heavy chain deposition disease (HCDD) is a rare disorder characterized by tissue deposition of a truncated monoclonal immunoglobulin heavy chain lacking the first constant domain. Pathophysiological mechanisms are unclear and management remains to be defined. Here we retrospectively studied 15 patients with biopsy-proven HCDD of whom 14 presented with stage 3 or higher chronic kidney disease, with nephrotic syndrome in 9. Renal lesions were characterized by nodular glomerulosclerosis, with linear peritubular and glomerular deposits of γ-heavy chain in 12 patients or α-heavy chain in 3 patients, without concurrent light chain staining...
October 20, 2016: Kidney International
Kiran Gajurel, Jack T Stapleton
Hepatitis viruses are named for their primary clinical illness, inflammation of the liver. Currently, six types of viruses are designated hepatitis viruses (A, B, C, D, E, and G), although only five of these cause hepatitis. Hepatitis viruses are composed of RNA and DNA viruses from different families and with different virologic properties, some of which typically cause acute hepatitis while others cause acute and chronic hepatitis. In addition to their role in liver disease, members of this group of viruses may cause a variety of pathologic changes in the kidney and other organs, and chronic infection may lead to cirrhosis in addition to raising a variety of important issues in the management of kidney transplant recipients...
September 2016: Seminars in Nephrology
Bryan J Mathis, Taixing Cui
There has been a continued interest in translational research focused on both natural products and manipulation of functional groups on these compounds to create novel derivatives with higher desired activities. Oleanolic acid, a component of traditional Chinese medicine used in hepatitis therapy, was modified by chemical processes to form 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid (CDDO). This modification increased anti-inflammatory activity significantly and additional functional groups on the CDDO backbone have shown promise in treating conditions ranging from kidney disease to obesity to diabetes...
2016: Advances in Experimental Medicine and Biology
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