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https://www.readbyqxmd.com/read/28535525/expanded-hemodialysis-a-new-therapy-for-a-new-class-of-membranes
#1
Claudio Ronco, Gaetano La Manna
A wide spectrum of molecules is retained in end-stage kidney disease, normally defined as uremic toxins. These solutes have different molecular weights and radii. Current dialysis membranes and techniques only remove solutes in the range of 50-15,000 Da, with limited or no capability to remove solutes in the middle to high molecular weight range (up to 50,000 Da). Improved removal has been obtained with high cut-off (HCO) membranes, with albumin loss representing a limitation to their practical application...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28533959/preservation-media-durations-and-cell-concentrations-of-short-term-storage-affect-key-features-of-human-adipose-derived-mesenchymal-stem-cells-for-therapeutic-application
#2
Fengli Zhang, Huaijuan Ren, Xiaohu Shao, Chao Zhuang, Yantian Chen, Nianmin Qi
BACKGROUND: Adipose-derived mesenchymal stem cells (ADSCs) have shown great potential in the treatment of various diseases. However, the optimum short-term storage condition of ADSCs in 2∼8 °C is rarely reported. This study aimed at optimizing a short-term storage condition to ensure the viability and function of ADSCs before transplantation. METHODS: Preservation media and durations of storage were evaluated by cell viability, apoptosis, adhesion ability and colony-forming unit (CFU) capacity of ADSCs...
2017: PeerJ
https://www.readbyqxmd.com/read/28533882/-idiopathic-nephrotic-syndrome-ins-in-children-in-dakar-about-40-cases
#3
Younoussa Keita, Ahmed Tall Lemrabott, Assane Sylla, Babacar Niang, El Hadji Fary Ka, Chérif Mohamed Dial, Aliou Abdoulaye Ndongo, Amadou Sow, Claude Moreira, Abdou Niang, Ousmane Ndiaye, Boucar Diouf, Mouhamadou Guélaye Sall
INTRODUCTION: This study aimed to analyze the diagnostic, therapeutic, and evolutionary features of nephrosis in children in a pediatric department in Dakar. METHODS: The study was carried out in the Department of Pediatrics at the Aristide Le Dantec Hospital. We conducted a retrospective study over a period of 3 years from 1 January 2012 to 31 December 2014. All patients aged 2-12 years with idiopathic nephrotic syndrome were included in the study. RESULTS: Forty cases of nephrosis were collected, that is to say a prevalence of 23% among patients with kidney disease treated in the Department of Pediatrics...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28531309/effect-of-antiretroviral-therapy-on-bone-and-renal-health-in-young-adults-infected-with-hiv-in-early-life
#4
Aylin B Unsal, Aviva S Mattingly, Sara E Jones, Julia B Purdy, James C Reynolds, Jeffrey B Kopp, Rohan Hazra, Colleen M Hadigan
Context: HIV antiretroviral (ARV) therapy is associated with renal and bone toxicity, but little is known about the potential cumulative effects in adults exposed to ARVs from birth. Objective: To prospectively evaluate renal and bone health in young adults with lifelong HIV and extensive ARV exposure. Design: Cross-sectional comparison of bone mineral density (BMD by dual-energy X-ray absorptiometry), bone turnover and renal function in young adults infected with HIV in early life (n=65) to matched healthy controls (n=23) and longitudinal evaluation (mean follow-up 4...
May 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28530383/diabetes-update-prevention-and-management-of-diabetes-complications
#5
Beth Choby
Macrovascular complications of diabetes include cardiovascular events, whereas common microvascular complications include neuropathy, retinopathy, and diabetic kidney disease. Control of hypertension and dyslipidemia is an important step in minimizing the risk of complications. Blood pressure (BP) levels should be maintained at less than 140 mm Hg systolic and less than 90 mm Hg diastolic. In older adults, medical therapy to reduce BP to less than 130/70 mm Hg is not recommended. In these patients, a systolic BP level less than 130 mm Hg has not been shown to improve atherosclerotic cardiovascular disease (ASCVD) outcomes, and a diastolic BP less than 70 mm Hg is associated with a higher mortality risk...
May 2017: FP Essentials
https://www.readbyqxmd.com/read/28526293/new-biomarkers-defining-a-novel-early-stage-of-fabry-nephropathy-a-diagnostic-test-study
#6
Patrício Aguiar, Olga Azevedo, Rui Pinto, Jacira Marino, Robert Baker, Carlos Cardoso, José Luís Ducla Soares, Derralynn Hughes
BACKGROUND: Renal involvement in Fabry disease is a major determinant of overall disease prognosis and early enzyme replacement therapy seems effective in preventing progression of kidney injury. Gb3 storage, glomerular sclerosis and tubulo-interstitial fibrosis may occur with minimal or no changes on standard renal tests, hence alternative markers of renal dysfunction are crucial. In this study we compared several biomarkers with albuminuria in the identification of incipient Fabry nephropathy and their diagnostic accuracy to identify chronic kidney disease (CKD) stage≥2...
May 13, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28525622/dietary-therapy-with-the-crohn-s-disease-exclusion-diet-is-a-successful-strategy-for-induction-of-remission-in-children-and-adults-failing-biological-therapy
#7
Rotem Sigall Boneh, Chen Sarbagili-Shabat, Heinit Yanai, Irit Chermesh, Sivan Ben Avraham, Mona Boaz, Arie Levine
Background: Loss of response (LoR) to biologics in Crohn's disease (CD) is a significant clinical problem. Dietary therapy as a treatment strategy in this setting has not been previously reported. We report the use of dietary strategies using enteral nutrition coupled with the Crohn's Disease Exclusion Diet (CDED) for LoR to infliximab or adalimumab as a single center experience. Methods: Patients with LoR to a biologic despite dose escalation or combination therapy were treated with partial enteral nutrition (PEN) by a polymeric formula and the CDED for 12 weeks...
May 19, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28524699/comparison-of-ambulatory-blood-pressure-lowering-effects-of-higher-doses-of-different-calcium-antagonists-in-uncontrolled-hypertension-the-calcium-antagonist-controlled-release-high-dose-therapy-in-uncontrolled-refractory-hypertensive-patients-carillon-study
#8
Hiroyuki Mizuno, Satoshi Hoshide, Naoko Tomitani, Kazuomi Kario
BACKGROUND: Data are sparse regarding ambulatory blood pressure (BP) reduction of up-titration from a standard dose to a high dose in both nifedipine controlled-release (CR) and amlodipine. This was a prospective, randomized, multicenter, open-label trial. PATIENTS AND METHODS: Fifty-one uncontrolled hypertensives medicated by two or more antihypertensive drugs including a renin-angiotensin system inhibitor and a calcium antagonist were randomly assigned to either the nifedipine CR (80 mg)/candesartan (8 mg) group or the amlodipine (10 mg)/candesartan (8 mg) group...
May 19, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28524656/multifunctional-and-redox-responsive-self-assembled-magnetic-nanovectors-for-protein-delivery-and-dual-modal-imaging
#9
Hong Yu Yang, Moon-Sun Jang, Yi Li, Jung Hee Lee, Doo Sung Lee
Nanoparticle (NP)-based model carriers present an emerging strategy for protein delivery. However, constructing a multifunctional nanocarrier with high loading capacity, diagnostic imaging capacity and controlled release capability is a tremendous challenge for protein delivery systems. Thus, we herein report on the fabrication of redox-responsive magnetic nanovectors (termed RMNs) through self- assembly of Fe3O4 NPs and redox-responsive polymer ligands, which could effectively transport protein and trigger intracellular protein release...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28523450/a-review-of-the-clinical-pharmacokinetics-pharmacodynamics-and-immunogenicity-of-vedolizumab
#10
REVIEW
Maria Rosario, Nathanael L Dirks, Catherine Milch, Asit Parikh, Michael Bargfrede, Tim Wyant, Eric Fedyk, Irving Fox
Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (UC) or Crohn's disease (CD), vedolizumab is administered as a 300 mg intravenous infusion. Vedolizumab undergoes a rapid, saturable, non-linear, target-mediated elimination process at low concentrations and a slower, linear, non-specific elimination process at higher concentrations...
May 18, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28515176/acute-exercise-does-not-impair-renal-function-in-non-dialysis-chronic-kidney-disease-patients-regardless-of-disease-stage
#11
Davi Alves de Santana, Jacques R Poortmans, Egidio L Dorea, Juliana Bannwart de Andrade Machado, Alan L Fernandes, Ana Lúcia de Sá Pinto, Bruno Gualano, Hamilton Roschel
Exercise has been overlooked as a potential therapy in chronic kidney disease (CKD), mainly due to a lack of understanding on its safety aspects. Notably, there is no data on renal function after exercise in CKD considering its stages. We investigated the acute effects of a 30-minute moderate-intensity aerobic exercise bout on glomerular filtration rate (GFR) and albuminuria in twenty-two non-dialysis CKD patients divided into: CKD stages 1 and 2 (CKD1-2) and; CKD stages 3 and 4 (CKD3-4). Eleven body mass index-, age-, and sex-matched healthy individuals served as control (CON)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28512162/increase-in-extracellular-hydration-status-after-initiating-peritoneal-dialysis-electively
#12
Kwanpeemai Panorchan, Andrew Davenport
Renal replacement therapy is designed to treat uremic symptoms and correct hypervolemia. We hypothesized that starting peritoneal dialysis (PD) should reduce overhydration, and we measured body composition and hydration status using bioimpedance in PD patients prior to training and then at the first assessment of peritoneal membrane function. We studied 100 consecutive patients with a planned start to PD, without peritoneal infections or mechanical catheter problems, mean age 54.7 ± 17.1 years, 57% male and 25% diabetic...
May 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28511140/different-impacts-of-acylated-and-non-acylated-long-acting-insulin-analogs-on-neural-functions-in-vitro-and-in-vivo
#13
Hiroshi Tsuneki, Hitomi Yoshida, Kosuke Endo, Norihiko Mori, Shuji Hosoh, Masaaki Tsuda, Tsutomu Wada, Toshiyasu Sasaoka
AIMS: Centrally administered insulin improves cognitive functions in patients with Alzheimer's disease; however, it remains unknown whether long-acting insulin analogs exert more pronounced effects than insulin. In the present study, we directly compared the effects of insulin and its analogs on neural functions in vitro and in vivo. METHODS: Cultured rat cerebral cortical neurons were treated with insulin, insulin glargine U100 (Gla), insulin detemir (Det), or insulin degludec (Deg)...
May 4, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28508984/successful-treatment-of-myeloma-cast-nephropathy-using-bortezomib-based-chemotherapy-plus-selective-plasma-exchange
#14
Mayuko Kawabe, Izumi Yamamoto, Ai Katsuma, Naomi Hayashi, Yo Komatsuzaki, Yasuyuki Nakada, Akihiro Shimizu, Yudo Tanno, Ichiro Ohkido, Nobuo Tsuboi, Kazuhito Suzuki, Takaki Shimada, Yoji Ogasawara, Katsuki Sugiyama, Keisuke Aiba, Takashi Yokoo
Myeloma cast nephropathy is a major complication of multiple myeloma. Recent evidence has demonstrated that the earlier induction of bortezomib-based chemotherapy with plasma exchange (PE) provides better results for kidney function and patient survival. Due to its non-selectivity, PE with albumin replacement carries the risk of fibrinogen loss, leading to bleeding. We herein report a case of successful treatment of myeloma cast nephropathy using bortezomib-based chemotherapy and selective PE. A 61-year-old woman who had a 20-year history of type II diabetes mellitus was admitted to our hospital for the evaluation of hypercalcemia, severe kidney dysfunction, and anemia...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507714/targeting-the-tumour-microenvironment-with-an-enzyme-responsive-drug-delivery-system-for-the-efficient-therapy-of-breast-and-pancreatic-cancers
#15
Brigitte Renoux, Florian Raes, Thibaut Legigan, Elodie Péraudeau, Balkis Eddhif, Pauline Poinot, Isabelle Tranoy-Opalinski, Jérôme Alsarraf, Oleksandr Koniev, Sergii Kolodych, Stéphanie Lerondel, Alain Le Pape, Jonathan Clarhaut, Sébastien Papot
The development of novel therapeutic strategies allowing the destruction of tumour cells while sparing healthy tissues is one of the main challenges of cancer chemotherapy. Here, we report on the design and antitumour activity of a low-molecular-weight drug delivery system programmed for the selective release of the potent monomethylauristatin E in the tumour microenvironment of solid tumours. After intravenous administration, this compound binds covalently to plasmatic albumin through Michael addition, thereby enabling its passive accumulation in tumours where extracellular β-glucuronidase initiates the selective release of the drug...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28504842/safety-and-efficacy-of-current-daa-regimens-in-kidney-and-liver-transplant-recipients-with-hepatitis-c-results-from-the-hcv-target-study
#16
Varun Saxena, Vandana Khungar, Elizabeth C Verna, Josh Levitsky, Robert S Brown, Mohamed A Hassan, Mark S Sulkowski, Jacqueline G O'Leary, Farrukh Koraishy, Joseph S Galati, Alexander A Kuo, Monika Vainorius, Lucy Akushevich, David R Nelson, Michael W Fried, Norah Terrault, K Rajender Reddy
BACKGROUND: Data outside of clinical trials with direct acting antiviral (DAA) regimens with or without ribavirin as treatment of chronic HCV in solid organ transplant recipients is limited. METHODS: Liver transplant (LT), kidney transplant (KT) and dual liver kidney (DLK) transplant recipients from the HCV-TARGET database, a multicenter, longitudinal clinical care treatment cohort, treated with DAA regimens between January 1 2014 and February 15, 2016 were included to assess safety and efficacy...
May 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28499214/speciation-of-potential-anti-diabetic-vanadium-complexes-in-real-serum-samples
#17
Daniele Sanna, Valeria Ugone, Maria Serra, Eugenio Garribba
In this work the speciation in real serum samples of five V(IV)O complexes with potential application in the therapy of diabetes was studied through EPR spectroscopy as a function of V concentration (45.4, 90.9 and 454.5μM) and time (0-180min). [VO(dhp)2], [VO(ma)2], [VO(acac)2], [VO(pic)2(H2O)], and [VO(mepic)2], where Hdhp indicates 1,2-dimethyl-3-hydroxy-4(1H)-pyridinone, Hma maltol, Hacac acetylacetone, Hpic picolinic acid, and Hmepic 6-methylpicolinic acid, were examined. The distribution of V(IV)O(2+) among the serum bioligands was calculated from the thermodynamic stability constants in the literature and compared with the experimental results...
April 25, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28497260/a-physiologically-based-pharmacokinetic-perspective-on-the-clinical-utility-of-albumin-based-dose-adjustments-in-critically-ill-patients
#18
Huybrecht T'jollyn, An Vermeulen, Jan Van Bocxlaer, Pieter Colin
INTRODUCTION: In hypo-albuminemia, the extent of albumin binding of a drug decreases. The resulting change in plasma protein binding only rarely leads to clinically relevant changes in unbound drug exposure. Nevertheless, in the critically ill, a tendency to increase dosing of anti-infective therapy is seen in patients experiencing hypo-albuminemia. To reconcile basic pharmacological principles with current clinical practice, this work presents a pharmacologically-based pharmacokinetic simulation study to emphasize the (lack of) effect of altered plasma protein binding on a drug's concentration-time profile and associated pharmacokinetic parameters...
May 11, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28496529/discontinuation-of-scheduled-infliximab-in-crohn-s-patients-with-clinical-remission-a-retrospective-single-center-study
#19
Huiqin Hu, Cheng Xiang, Chen Qiu, Zhao Chen, Silin Huang, Li Liang, Xinying Wang
BACKGROUND: It is crucial to determine whether infliximab (IFX) therapy could be safely interrupted in Crohn's disease (CD) patients with clinical remission. The outcome and risk predictors of relapse after IFX therapy stopped are controversial. The aim was to assess the relapse and predictive factors after IFX discontinuation in CD patients with clinical remission. METHODS: A retrospective cohort of CD patients with clinical remission who discontinued scheduled IFX therapy at Nanfang Hospital were included...
April 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28494541/-new-therapeutic-paradigm-and-concepts-for-patients-with-cirrhotic-refractory-ascites
#20
S Z Wang, H G Ding
The activation of renin-angiotensin-aldosterone-vasopressin system is a key factor in the formation of ascites due to splanchnic vasodilation in cirrhosis. In theory, aldosterone antagonists, contraction of blood vessels, vasopressin V2 receptor, and angiotensin receptor antagonists are important targets for the prevention and treatment of cirrhotic ascites. The 15%-20% of patients with cirrhotic ascites that show no response to at least one week's treatment with potent diuretics (spironolactone 160 mg/d combined with furosemide 80 mg/d) are considered to have refractory ascites...
April 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
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