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https://www.readbyqxmd.com/read/29332183/identification-of-n-arylsulfonylpyrimidones-as-anticancer-agents
#1
Santhosh Subramanian, Pulla Reddy Boggu, Jieun Yun, Sang-Hun Jung
For confirming the role of five membered ring of imidazolidinone moiety of N-arylsulfonylimidazolidinones (7) previously reported with highly potent anticancer agent, a series of N-arylsulfonylpyrimidones (10a-g) and N-arylsulfonyltetrahydropyrimidones (11a-e) were prepared and their anti-proliferating activity was measured against human cancer cell lines (renal ACHN, colon HCT-15, breast MDA-MB-231, lung NCI-H23, stomach NUGC-3, and prostate PC-3) using XTT assay. Among them, 1-(1-acetylindolin-5-ylsulfonyl)-4-phenyltetrahydropyrimidin-2(1H)-one (11d, mean GI50 = 3...
January 13, 2018: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29332133/fumarate-hydratase-fh-deficiency-in-uterine-leiomyomas-recognition-by-histological-features-versus-blind-immunoscreening
#2
Lisa Siegler, Ramona Erber, Stefanie Burghaus, Tobias Brodkorb, David Wachter, Nafisa Wilkinson, James Bolton, Helen Stringfellow, Florian Haller, Matthias W Beckmann, Arndt Hartmann, Abbas Agaimy
Hereditary leiomyomatosis and renal cell carcinoma (HLRCC) syndrome is a rare autosomal dominant disease caused by germline mutations in the fumarate hydratase (FH) gene. Affected individuals develop cutaneous and uterine leiomyomas and aggressive RCC. To date, only few publications described the frequency and morphology of FH-deficient uterine leiomyomas. We reviewed 22 cases collected over 8 years from routine and consultation files based on distinctive histological features. In addition, we screened 580 consecutive uterine leiomyomas from 484 patients, 23 extra-uterine and 8 uterine leiomyosarcomas, and 6 leiomyomas with bizarre nuclei for FH loss using immunohistochemistry (IHC) on tissue microarrays (TMAs)...
January 13, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29331053/renal-flow-and-microstructure-anisotropy-refmap-mri-in-normal-and-peritumoral-renal-tissue
#3
Andrea L Liu, Artem Mikheev, Henry Rusinek, William C Huang, James S Wysock, James S Babb, Thorsten Feiweier, David Stoffel, Hersh Chandarana, Eric E Sigmund
BACKGROUND: Diffusion-weighted imaging (DWI) provides insight into the pathophysiology underlying renal dysfunction. Variants of DWI include intravoxel incoherent motion (IVIM), which differentiates between microstructural diffusion and vascular or tubular flow, and diffusion tensor imaging (DTI), which quantifies diffusion directionality. PURPOSE: To investigate the reproducibility of joint IVIM-DTI and compare controls to presurgical renal mass patients. STUDY TYPE: Prospective cross-sectional...
January 13, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29330993/chemical-composition-of-stones-in-paediatric-urolithiasis
#4
Kiran Imran, Mirza Naqi Zafar, Naureen Fatima, Uzma Ozair, Sajid Sultan, Syed Adibul Hasan Rizvi
BACKGROUND: Chemical composition of stones is one of the important diagnostic criteria for aetiology of stone formation and treatment to prevent recurrence. This paper reports composition of stones in children at a tertiary hospital by Fourier Transformation Infrared Spectroscopy (FTIR). METHODS: Between January-June 2015, 412 urinary stones from children were analysed by FTIR. Chi-square tests were used for the comparison of categorical measurements between groups...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330823/metal-concentrations-in-tissues-of-gadwall-and-common-teal-from-miankaleh-and-gomishan-international-wetlands-iran
#5
Mohammad-Hosein Sinkakarimi, Lukasz J Binkowski, Mehdi Hassanpour, Ghasem Rajaei, Mohsen Ahmadpour, Jeffrey M Levengood
Miankaleh and Gomishan International Wetlands are important wintering areas for waterbirds in the Caspian Sea region. Previous studies revealed increased exposure to metals in some species of waterbirds using these wetlands. In this study, we examined concentrations of cadmium (Cd), chromium (Cr), iron (Fe), lead (Pb), and zinc (Zn) in kidneys, liver, and pectoral muscle of wintering Gadwall (Anas strepera) and Common Teal (Anas crecca) collected in 2012. In addition, we measured concentrations of these elements in water and sediments from the collection sites...
January 13, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29330715/case-series-analysis-of-new-zealand-reports-of-rapid-intense-potentiation-of-warfarin-by-roxithromycin
#6
Ruth L Savage, Michael V Tatley
INTRODUCTION: We undertook an analysis of all the reports to the New Zealand Centre for Adverse Reactions Monitoring of a roxithromycin/warfarin interaction after two recent reports described intense rapid warfarin potentiation. The interaction was first published in 1995. Cytochrome P450 3A4 inhibition has been the proposed mechanism but has limited biologic plausibility. There are suggestions that the clinical significance of the interaction may be increased by severe illness, polypharmacy, renal dysfunction, older age and increased warfarin sensitivity...
January 12, 2018: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/29329515/engaging-clinicians-and-patients-to-assess-and-improve-frailty-measurement-in-adults-with-end-stage-renal-disease
#7
Sarah Van Pilsum Rasmussen, Jonathan Konel, Fatima Warsame, Hao Ying, Brian Buta, Christine Haugen, Elizabeth King, Sandra DiBrito, Ravi Varadhan, Leocadio Rodríguez-Mañas, Jeremy D Walston, Dorry L Segev, Mara A McAdams-DeMarco
BACKGROUND: The Fried frailty phenotype, a measure of physiologic reserve defined by 5 components (exhaustion, unintentional weight loss, low physical activity, slow walking speed, and poor grip strength), is associated with poor outcomes among ESRD patients. However, these 5 components may not fully capture physiologic reserve in this population. We aimed to ascertain opinions of ESRD clinicians and patients about the usefulness of the Fried frailty phenotype and interventions to improve frailty in ESRD patients, and to identify novel components to further characterize frailty in ESRD...
January 12, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29329305/evaluating-the-efficacy-of-switching-from-lamivudine-plus-adefovir-to-tenofovir-disoproxil-fumarate-monotherapy-in-lamivudine-resistant-stable-hepatitis-b-patients
#8
Heon Ju Lee, Sang Jin Kim, Young Oh Kweon, Soo Young Park, Jeong Heo, Hyun Young Woo, Jae Seok Hwang, Woo Jin Chung, Chang Hyeong Lee, Byung Seok Kim, Jeong Ill Suh, Won Young Tak, Byoung Kuk Jang
BACKGROUND: The efficacy of switching to tenofovir disoproxil fumarate (TDF) monotherapy from lamivudine (LAM) plus adefovir dipivoxil (ADV) combination therapy (stable switching) in patients with LAM-resistant chronic hepatitis B (CHB) and undetectable hepatitis B virus (HBV) DNA is not clear. METHODS: In this non-inferiority trial, patients with LAM-resistant CHB and undetectable serum HBV DNA (<20 IU/mL) for >6 months after initiating LAM+ADV combination therapy were randomized (1:2) either to continue the combination therapy (LAM+ADV group, n = 58) or switched to TDF monotherapy (TDF group, n = 111)...
2018: PloS One
https://www.readbyqxmd.com/read/29329247/a-simple-method-to-measure-renal-function-in-swine-by-the-plasma-clearance-of-iohexol
#9
Sergio Luis-Lima, Consolación García-Contreras, Marta Vázquez-Gómez, Susana Astiz, Fabiola Carrara, Flavio Gaspari, Natalia Negrín-Mena, Alejandro Jiménez-Sosa, Hugo Jiménez-Hernández, Antonio González-Bulnes, Esteban Porrini
There is no simple method to measure glomerular filtration rate (GFR) in swine, an established model for studying renal disease. We developed a protocol to measure GFR in conscious swine by using the plasma clearance of iohexol. We used two groups, test and validation, with eight animals each. Ten milliliters of iohexol (6.47 g) was injected into the marginal auricular vein and blood samples (3 mL) were collected from the orbital sinus at different points after injection. GFR was determined using two models: two-compartment (CL2: all samples) and one-compartment (CL1: the last six samples)...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29328007/-prophylactic-hydration-to-protect-renal-function-from-intravascular-iodinated-contrast-material-in-patients-at-high-risk-of-contrast-induced-nephropathy-amacing-a-prospective-randomised-phase-3-controlled-open-label-non-inferiority-trial
#10
E C Nijssen, R J Rennenberg, P J Nelemans, B A Essers, M M Janssen, M A Vermeeren, V van Ommen, J E Wildberger
BACKGROUND: Intravenous saline is recommended in clinical practice guidelines as the cornerstone for preventing contrast-induced nephropathy in patients with compromised renal function. However, clinical-effectiveness and cost-effectiveness of this prophylactic hydration treatment in protecting renal function has not been adequately studied in the population targeted by the guidelines, against a group receiving no prophylaxis. This was the aim of the AMACING trial. METHODS: AMACING is a prospective, randomised, phase 3, parallel-group, open-label, non-inferiority trial of patients at risk of contrast-induced nephropathy according to current guidelines...
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29325997/reduced-cortical-oxygenation-predicts-a-progressive-decline-of-renal-function-in-patients-with-chronic-kidney-disease
#11
Menno Pruijm, Bastien Milani, Edward Pivin, Agata Podhajska, Bruno Vogt, Matthias Stuber, Michel Burnier
Renal tissue hypoxia is a final pathway in the development and progression of chronic kidney disease (CKD), but whether renal oxygenation predicts renal function decline in humans has not been proven. Therefore, we performed a prospective study and measured renal tissue oxygenation by blood oxygenation level-dependent magnetic resonance imaging (BOLD-MRI) in 112 patients with CKD, 47 with hypertension without CKD, and 24 healthy control individuals. Images were analyzed with the twelve-layer concentric objects method that divided the renal parenchyma in 12 layers of equal thickness and reports the mean R2* value of each layer (a high R2* corresponds to low oxygenation), along with the change in R2* between layers called the R2* slope...
January 9, 2018: Kidney International
https://www.readbyqxmd.com/read/29325696/urinary-mrna-analysis-of-biomarkers-to-epithelial-mesenchymal-transition-of-renal-allograft
#12
Imen Mezni, Pierre Galichon, Mohammed Mongi Bacha, Yi-Chun Xu-Dubois, Imen Sfar, David Buob, Sabrina Benbouzid, Rim Goucha, Yousr Gorgi, Ezzedine Abderrahim, Mondher Ounissi, Karine Dahan, Nacera Ouali, Alexandre Hertig, Isabelle Brocheriou, Aly Raies, Taieb Ben Abdallah, Éric Rondeau
Renal allograft loss is most often a chronic process, irrespective of the mechanism at stake. In this prospective study, we studied the expression of epithelial to mesenchymal transition (EMT) markers vimentin and β-catenin by immunohistochemistry in the surveillance biopsy and measured the mRNA encoding vimentin (VIM), CD45, GAPDH and uroplakin 1a (UPK) by quantitative PCR in urinary cells in 75 renal transplant patients. The aim is to establish a simple screening test for chronic renal allograft dysfunction...
January 8, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29325329/-feasibility-of-using-blood-oxygen-level-dependent-magnetic-resonance-imaging-to-evaluate-renal-fibrosis-of-ureteral-obstruction-of-rabbits
#13
T T Zha, Z Y Xing, J Chen, W Xing, J G Zhang, X J Tian
Objective: To investigate the feasibility of blood oxygen level-dependent MR (MR-BOLD) in assessing renal fibrosis of ureteral obstruction of rabbits. Methods: Forty healthy New Zealand rabbits were randomly divided into control group (n=8) and unilateral ureteral obstruction (UUO) group (n=32). The rabbits in the UUO group were subjected to unilateral ureteral obstruction of the left kidney.Coronal T(2) weighted imaging (T(2)WI) and axial BOLD examinations were performed before operation, 2, 4, 6 and 8 W after operation (each subgroup n=8)...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29324940/risk-for-acute-kidney-injury-in-primary-health-care
#14
Maria Célia Laranjeira Rigonatto, Marcia Cristina da Silva Magro
OBJECTIVE: To identify hypertensive and diabetic patients at risk for developing acute kidney injury in the primary health care setting. METHOD: Observational, longitudinal, prospective study. Sample of 56 diabetic and hypertensive individuals. A semi-structured questionnaire was adopted for data collection. For the description of results, were calculated dispersion measures and the Spearman test was used for statistical analysis. The result was considered significant when p <0...
January 2018: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29324920/technetium-99m-dimercaptosuccinic-acid-renal-scintigraphy-can-guide-clinical-management-in-congenital-hydronephrosis
#15
Biljana Bazić-Đorović, Marija Radulović, Marija Šišić, Ljiljana Jauković, Sanja Dugonjić, Dragan Pucar, Zoran Janković, Slobodanka Beatović, Milica Janković, Zoran Krstić, Boris Ajdinović
OBJECTIVE: The purpose of this study was to evaluate damage of the kidney with technetium-99m-dimercaptosuccinic acid (99mTc-DMSA) scintigraphy in children with congenital hydronephrosis (CH) and the influence of other postnatal associated diagnoses on abnormal 99mTc-DMSA findings. SUBJECTS AND METHODS: 99mTc-DMSA scintigraphy in 54 children (17 girls and 37 boys), aged from 2 months to 5 years (median 11 months) with 66 congenital hydronephrotic renal units (RU) (42 unilateral hydronephrosis-29 boys and 13 girls; 12 bilateral hydronephrosis-8 boys and 4 girls) was performed...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324682/malnutrition-inflammation-atherosclerosis-syndrome-mia-and-diet-recommendations-among-end-stage-renal-disease-patients-treated-with-maintenance-hemodialysis
#16
Małgorzata Maraj, Beata Kuśnierz-Cabala, Paulina Dumnicka, Agnieszka Gala-Błądzińska, Katarzyna Gawlik, Dorota Pawlica-Gosiewska, Anna Ząbek-Adamska, Małgorzata Mazur-Laskowska, Piotr Ceranowicz, Marek Kuźniewski
Malnutrition-inflammation-atherosclerosis syndrome is one of the causes of increased mortality in chronic kidney disease (CKD). The aim of the study was to assess the inflammation and nutritional status of patients in end-stage kidney disease treated with maintenance hemodialysis. The study included a group of 98 hemodialyzed patients with stage 5 CKD (38 women and 60 men). Albumin, prealbumin (PRE), and C-reactive protein (CRP) were measured in serum samples collected before mid-week dialysis. Fruit and vegetables frequency intakes were assessed with a questionnaire...
January 11, 2018: Nutrients
https://www.readbyqxmd.com/read/29324582/quality-measures-in-acute-kidney-injury
#17
Amjad Mehboob, Robert Zimmerman, Stuart Abramson, Mark G Parker
PURPOSE OF REVIEW: Quality measure assessment and reporting is evolving in end-stage renal disease care and is inchoate in ambulatory nephrology clinic care. Acute kidney injury (AKI) quality measures have not received sufficient attention, yet deserve consideration in view of the substantial proportion of effort nephrology providers devote to AKI care. RECENT FINDINGS: Accumulating literature permits consideration of timing of nephrology consultation, follow-up after AKI hospitalization, early detection, medication dosing, hospital readmissions and length of stay, cost, and mortality as putative AKI quality measures...
January 10, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29322485/effects-of-ipragliflozin-on-postprandial-glucose-metabolism-and-gut-peptides-in-type-2-diabetes-a-pilot-study
#18
Hiroaki Ueno, Hiroko Nakazato, Emi Ebihara, Kenji Noma, Takahisa Kawano, Kazuhiro Nagamine, Hideyuki Sakoda, Masamitsu Nakazato
INTRODUCTION: Ipragliflozin is a novel antidiabetic drug that inhibits renal tubular sodium-glucose cotransporter-2 (SGLT2). The aim of this study was to evaluate the effects of ipragliflozin on glucose, insulin, glucagon, and gastrointestinal peptide responses to a meal tolerance test, as well as to investigate the glucose-lowering mechanisms of ipragliflozin. METHODS: Nine Japanese patients with obesity and type 2 diabetes mellitus were treated with ipragliflozin (50 mg/day) for 12 weeks...
January 10, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29322328/vaccination-titres-pre-and-post-transplant-in-paediatric-renal-transplant-recipients-and-the-impact-of-immunosuppressive-therapy
#19
Britta Höcker, Martin Aguilar, Paul Schnitzler, Lars Pape, Martin Bald, Jens König, Stephen D Marks, Gurkan Genc, Anja Büscher, Markus J Kemper, Heiko Billing, Martin Pohl, Luca Dello Strologo, Nicholas J A Webb, Susanne Rieger, Annette Mankertz, Kai Krupka, Thomas Bruckner, Alexander Fichtner, Burkhard Tönshoff
BACKGROUND: Avoidance of vaccine-preventable infections in paediatric renal allograft recipients is of utmost importance. However, the development and maintenance of protective vaccination titres may be impaired in this patient population owing to their need for immunosuppressive medication. METHODS: In the framework of the Cooperative European Paediatric Renal Transplant Initiative (CERTAIN), we therefore performed a multi-centre, multi-national study and analysed vaccination titres pre- and post-transplant in 155 patients with serial titre measurements in comparison with published data in healthy children...
January 10, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29322215/-assessment-of-kidney-function-creatinine-is-not-the-whole-story
#20
REVIEW
U Huynh-Do, M Fiedler, B Vogt
Chronic renal insufficiency has a high prevalence and leads not only to a severe impairment in the quality of life but also to a higher mortality, mainly due to cardiovascular complications; however, in the early stages where there is still a chance for a therapeutic intervention, it is often underestimated because depending on endogenous factors (e.g. age and muscle mass), serum creatinine could falsely remain in the normal range while kidney function is already impaired. An exact measurement of the glomerular filtration rate (GFR) using radionuclide techniques is cumbersome and usually confined to rare cases, such as in clinical studies...
January 10, 2018: Der Internist
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