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https://www.readbyqxmd.com/read/29165317/the-effect-of-electrospun-polycaprolactone-scaffold-morphology-on-human-kidney-epithelial-cells
#1
Todd P Burton, Anthony Corcoran, Anthony Callanan
There is a pressing need for further advancement in tissue engineering of functional organs with a view to providing a more clinically relevant model for drug development and reduce the dependence on organ donation. Polymer-based scaffolds, such as polycaprolactone (PCL), have been highlighted as a potential avenue for tissue engineered kidneys, but there is little investigation down this stream. Focus within kidney tissue engineering has been on two-dimensional cell culture and decellularised tissue. Electrospun polymer scaffolds can be created with a variety of fibre diameters and have shown a great potential in many areas...
November 22, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29163735/urate-lowering-therapy-ameliorates-kidney-function-in-type-2-diabetes-patients-with-hyperuricemia
#2
Naohiko Ueno
Background: Hyperuricemia often causes kidney dysfunction which increases serum urate, forming a vicious cycle in the kidney. In this study, urate-lowering therapy was demonstrated in type 2 diabetic patients with hyperuricemia to evaluate the effect on diabetic nephropathy. Methods: Type 2 diabetic patients with hyperuricemia (n = 34) were treated by urate-lowering drugs. Serum urate levels, estimated glomerular filtration rate (eGFR), blood pressure, HbA1c, and urinary albumin-to-creatinine ratio (UACR) were measured for 52 weeks...
December 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29156254/xenografted-tissue-models-for-the-study-of-human-endometrial-biology
#3
REVIEW
Satu Kuokkanen, Liyin Zhu, Jeffrey W Pollard
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging...
November 10, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29155873/short-term-anti-proteinuric-effect-of-tacrolimus-is-not-related-to-preservation-of-the-glomerular-filtration-rate-in-iga-nephropathy-a-5-year-follow-up-study
#4
Mi-Yeon Yu, Yong-Chul Kim, Ho Suk Koo, Ho Jun Chin
BACKGROUND: The immunosuppressive drug tacrolimus has the short-term effect of reducing proteinuria in patients with immunoglobulin A nephropathy (IgAN). Our study investigated the effects on proteinuria and kidney function after discontinuation of tacrolimus. METHODS: Patients with biopsy-proven IgAN were included in the study and randomly divided into two treatment groups. There was a corresponding control group for each treatment group. The first group included patients treated with tacrolimus (Tac vs non-Tac group) and the second group included patients with a renin angiotensin system blocker (RASi vs non-RASi group)...
2017: PloS One
https://www.readbyqxmd.com/read/29151925/phycocyanin-a-potential-drug-for-cancer-treatment
#5
REVIEW
Liangqian Jiang, Yujuan Wang, Qifeng Yin, Guoxiang Liu, Huihui Liu, Yajing Huang, Bing Li
Phycocyanin isolated from marine organisms has the characteristics of high efficiency and low toxicity, and it can be used as a functional food. It has been reported that phycocyanin has anti-oxidative function, anti-inflammatory activity, anti-cancer function, immune enhancement function, liver and kidney protection pharmacological effects. Thus, phycocyanin has an important development and utilization as a potential drug, and phycocyanin has become a new hot spot in the field of drug research. So far, there are more and more studies have shown that phycocyanin has the anti-cancer effect, which can block the proliferation of cancer cells and kill cancer cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29148292/cholestatic-liver-injury-as-a-side-effect-of-dabigatran-and-the-use-of-coagulation-tests-in-dabigatran-intoxication-and-after-reversal-by-idarucizumab-in-bleeding-and-sepsis
#6
Willemijn J Comuth, Anne-Mette Haase, Linda Ø Henriksen, Jerzy Malczynski, Daan van de Kerkhof, Anna-Marie B Münster
Idarucizumab, an antidote specific for dabigatran, became available recently. Dabigatran is not associated with increased risk of hepatotoxicity in comparison with warfarin, but it is seen as a rare side-effect. Cases of cholestatic liver injury due to dabigatran have not been reported previously. We present a case of severe gastro-intestinal bleeding with underlying dabigatran intoxication in a patient with renal failure and the effect of reversal of dabigatran using idaruzicumab on coagulation assays. International normalized ratio (INR) and activated partial thromboplastin time (APTT) results were elevated in a setting of sepsis, possibly due to liver failure...
November 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29147486/a-novel-medium-throughput-biological-assay-system-for-htlv-1-infectivity-and-drug-discovery
#7
Mojtaba Fattahi Abdizadeh, Manoochehr Makvandi, Alireza Samarbafzadeh, Kayhan Azadmanesh
Objectives: Here, a reporter cell line containing two reporter vectors were developed, in order to monitor the Human T-Lymphotropic Virus type1(HTLV-1) infectivity and the cell viability simultaneously. Materials and Methods: The reporter cell line was constructed by stably transfected baby hamster's kidney cell line (BHK-21), with the genomes expressing two different reporters in separate plasmids. The first reporter gene is transactivated by the HTLV-1 tax protein, while the second reporter is continuously expressed when introduced into a mammalian cell...
October 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29145743/novel-avenues-for-drug-discovery-in-diabetic-kidney-disease
#8
Matthew D Breyer, Matthias Kretzler
Diabetic kidney disease (DKD) has emerged as major cause of morbidity and mortality. After progressing to renal failure, over 70% of DKD patients are dead with five years. New treatments to slow this progression are desperately needed. Areas covered: This review highlights the current treatment options for people with DKD with a particular focus on angiotensin pathway blockade and the potential use of sodium glucose linked transporter 2 (SGLT2) inhibitors. These treatments are associated with an initial decrease in glomerular filtration rate (GFR) and albuminuria; there is also attention on renal hyperfiltration as therapeutic target...
November 16, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29136782/effect-of-human-umbilical-cord-blood-derived-mononuclear-cells-on-diabetic-nephropathy-in-rats
#9
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Shimaa A El-Berashy
Diabetic nephropathy (DN) is damage to the kidney which can lead to chronic renal failure, eventually requiring dialysis. Diabetes mellitus is the most common cause of adult kidney failure worldwide in the developed world. The current work was designed to elucidate the effect of mononuclear cells (MNCs) injection on reverse DN in rats exposed to streptozotocin (STZ) injection compared to metformin as a known hypoglycemic drug, 40 Male rats were divided equally into 4 groups; normal control group, diabetic control group, MNCs group were diabetic rats treated with MNCs (30×10(6) MNCs/rat once iv dose) in the tail vein of the rat, and metformin group were diabetic rats treated with metformin (100mg/kg orally daily dose) for four weeks...
November 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136775/high-parathyroid-hormone-concentration-in-tenofovir-treated-patients-are-due-to-inhibition-of-calcium-sensing-receptor-activity
#10
Alessandra Mingione, Katia Maruca, Federica Chiappori, Francesca Pivari, Caterina Brasacchio, Tiziana Quirino, Ivan Merelli, Laura Soldati, Paolo Bonfanti, Stefano Mora
Bone health impairment is a common finding in HIV-infected patients on antiretroviral treatment. High serum parathyroid hormone (PTH) concentration in patients on antiretroviral treatment containing tenofovir disoproxil fumarate (TDF) has been reported. Hyperparathyroidism was not always sustained by a reduction in vitamin D concentration. We thus hypothesized a direct inhibitory effect of TDF on the Calcium-sensing receptor (CaSR), leading to hyperparathyroidism. Human embryonic kidney cells were transfected with CASR wild-type gene or mutated in different sites (N124K, T1051G, C788T, T888M)...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29131070/pathophysiology-of-post-transplant-hypertension-in-kidney-transplant-focus-on-calcineurin-inhibitors-induced-oxidative-stress-and-renal-sodium-retention-and-implications-with-rhoa-rho-kinase-pathway
#11
Lorenzo A Calò, Verdiana Ravarotto, Francesca Simioni, Elena Naso, Francesco Marchini, Luciana Bonfante, Lucrezia Furian, Paolo Rigotti
Post-transplant hypertension is a common occurrence during treatment with calcineurin inhibitors (CNIs) in kidney transplant population. The pathogenesis of vasoconstriction induced by CNIs involves vascular tone alterations and kidney sodium transport regulation. Among the factors involved a key role is played by the activation of intrarenal renin-angiotensin system with enhanced release of Angiotensin II (Ang II) and increase of oxidative stress. A common pathway between oxidative stress and hypertension induced by CNIs may be identified in the involvement of the activation of RhoA/Rho kinase pathway, key for the induction of hypertension and cardiovascular-renal remodeling, of the oxidative stress mediated increased nitric oxide (NO) metabolism and increased renal sodium retention via increased activity of thiazide-sensitive sodium chloride cotransporter (NCC) in the distal tubule...
October 16, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29131005/a-review-of-anesthetic-effects-on-renal-function-potential-organ-protection
#12
Negar Motayagheni, Sheshanna Phan, Crystal Eshraghi, Ala Nozari, Anthony Atala
BACKGROUND: Renal protection is a critical concept for anesthesiologists, nephrologists, and urologists, since anesthesia and renal function are highly interconnected and can potentially interfere with one another. Therefore, a comprehensive understanding of anesthetic drugs and their effects on renal function remains fundamental to the success of renal surgeries, especially transplant procedures. Some experimental studies have shown that some anesthetics provide protection against renal ischemia/reperfusion (IR) injury, but there is limited clinical evidence...
November 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29127652/dapagliflozin-as-a-cause-of-acute-tubular-necrosis-with-heavy-consequences-a-case-report
#13
Christos Pleros, Elisavet Stamataki, Antonia Papadaki, Nikolaos Damianakis, Rafaela Poulidaki, Charikleia Gakiopoulou, Ioannis Tzanakis
A 50-year-old man with type II diabetes, hypertension and dyslipidemia, presented with non-oliguric acute kidney injury (AKI) and anemia. Renal biopsy showed acute tubular necrosis (ATN) with extensive cytoplasmic vacuolization and areas of tubulitis. These findings were ultimately attributed to dapagliflozin, which he started 3 months earlier due to poor glycemic control. ATN with similar microscopic findings has been described with larger doses of dapagliflozin in non-clinical trials. Our patient was started on dialysis and remained dialysis-dependent for 4 weeks while his renal function improved gradually thereafter...
November 10, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29127010/cyclosporine-a-exhibits-gender-specific-nephrotoxicity-in-rats-effect-on-renal-tissue-inflammation
#14
Hany M El-Bassossy, Basma G Eid
Cyclosporine A (CSA) is a widely used immunosuppressant drug known to commonly cause cardio and nephrotoxicity. A study looking at the sex specificity of the cardiotoxicity of CSA revealed that sexual dimorphism existed when looking at the electrocardiographs and left ventricles of CSA-treated rats. We hypothesized that cyclosporine A exhibited gender-specific nephrotoxicity by testing various parameters of kidney function in male and female rats treated for 21 days with 15 mg/kg CSA versus control male and female rats that received a vehicle consisting of 18% kolliphore and 2% ethanol in sterile saline...
November 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29120249/alcohol-addiction-the-safety-of-available-approved-treatment-options
#15
Mariangela Antonelli, Anna Ferrulli, Luisa Sestito, Gabriele A Vassallo, Claudia Tarli, Carolina Mosoni, Maria M Rando, Antonio Mirijello, Antonio Gasbarrini, Giovanni Addolorato
Alcohol Use Disorder (AUD) is a leading cause of mortality and morbidity worldwide. At present disulfiram, naltrexone and acamprosate are approved for the treatment of AUD in U.S. and Europe. Nalmefene is approved in Europe and sodium oxybate is approved in Italy and Austria only. Baclofen received a "temporary recommendation for use" in France. Areas covered. The safety of the medications mentioned above on liver, digestive system, kidney function, nervous system, pregnancy and lactation and their possible side effects are described and discussed...
November 9, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29108828/can-we-manage-lupus-nephritis-without-chronic-corticosteroids-administration
#16
REVIEW
Liz Lightstone, Andrea Doria, Hannah Wilson, Frank L Ward, Maddalena Larosa, Joanne M Bargman
The outcome of lupus nephritis (LN) has changed since the introduction of glucocorticoids (GCs), which dramatically reduced the mortality related to one of the most severe complications of systemic lupus erythematosus (SLE). Since the 1950's, other immunosuppressants, including biologic drugs (i.e. rituximab) have aided in maintaining remission, preserving kidney function, but not preventing treatment-related toxicity. GCs still remain the cornerstone in the treatment of SLE, including LN, and they are widely used in clinical practice...
November 3, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29107066/glomerular-filtration-drug-injury-in-vitro-evaluation-of-functional-and-morphological-podocyte-perturbations
#17
Olivier Delézay, Zhiguo He, Sophie Hodin, Moin A Saleem, Patrick Mismetti, Nathalie Perek, Xavier Delavenne
The kidney is an organ that plays a major role in the excretion of numerous compounds such as drugs and chemicals. However, a great number of pharmacological molecules are nephrotoxic, affecting the efficiency of the treatment and increasing morbidity or mortality. Focusing on glomerular filtration, we propose in this study a simple and reproducible in vitro human model that is able to bring to light a functional podocyte injury, correlated with morphologic/phenotypic changes after drug exposure. This model was used for the evaluation of paracellular permeability of FITC-dextran molecules as well as FITC-BSA after different treatments...
October 26, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29103079/effectiveness-of-kidney-transplantation-in-hiv-infected-recipients-under-combination-antiretroviral-therapy-a-single-cohort-experience-brescia-northern-italy
#18
Ilaria Izzo, Salvatore Casari, Nicola Bossini, Maria Antonia Forleo, Silvio Sandrini, Emanuele Focà, Nigritella Brianese, Giulia Zambolin, Claudia Chirico, Giovanni Cancarini, Francesco Castelli
PURPOSE: Kidney transplantation was recently introduced for the treatment of end stage renal disease (ESRD) in HIV-infected patients. We report the results of the first 28 procedures at our centre. METHODS: A retrospective study was conducted on HIV-infected patients evaluated for kidney transplantation between January 2005 and October 2016. Patients were selected and monitored by the kidney transplantation and infectious diseases teams, according to the national protocol...
November 4, 2017: Infection
https://www.readbyqxmd.com/read/29101811/ameliorative-potential-of-sitagliptin-and-or-resveratrol-on-experimentally-induced-clear-cell-renal-cell-carcinoma
#19
Ahmed M Kabel, Aliaa Atef, Remon S Estfanous
The aim of this study was to assess the effect of sitagliptin with or without resveratrol on carcinogen-induced clear cell renal cell carcinoma. Sixty male Wistar rats were divided into 6 equal groups as follows: control; clear cell renal cell carcinoma group; clear cell renal cell carcinoma+sitagliptin group; clear cell renal cell carcinoma+resveratrol group; clear cell renal cell carcinoma+carboxymethyl cellulose group and clear cell renal cell carcinoma+sitagliptin+resveratrol group. Blood urea, serum creatinine, creatinine clearance, urinary N-acetyl beta-d-glucosaminidase (NAG), gamma glutamyl transpeptidase (GGT) and urinary albumin excretion rate (UAER) were determined...
November 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29097195/selenofuranoside-improves-long-term-memory-deficits-in-rats-after-exposure-to-monosodium-glutamate-involvement-of-na-k-atpase-activity
#20
Juliana Bernera Ramalho, Aryele Pinto Izaguirry, Melina Bucco Soares, Cristiano Chiapinotto Spiazzi, Natasha Frasson Pavin, Ricardo Ferreira Affeldt, Diogo Seibert Lüdtke, Simone Pinton, Francielli Weber Santos, Marina Prigol
Monosodium glutamate (MSG) is the most widely used additive in the food industry; however, some adverse effects of this additive, including functional, learning, and behavioral alterations, have been observed in experimental animals and humans. Studies have shown learning and memory impairment in adult animals exposed to MSG. However, studies relating exposure to MSG to acetylcholinesterase (AChE) and Na(+), K(+)-ATPase activities and memory damage are still scarce in the literature. The aim of the present study was to assess the possible protective effects of selenofuranoside, an organoselenium compound, against the impairment of long-term memory, Na(+), K(+)-ATPase and AChE activities, and oxidative stress after MSG exposure in rats...
October 31, 2017: Physiology & Behavior
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