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https://www.readbyqxmd.com/read/29667120/chromium-in-postmortem-material
#1
Danuta Dudek-Adamska, Teresa Lech, Tomasz Konopka, Paweł Kościelniak
Recently, considerable attention has been paid to the negative effects caused by the presence and constant increase in concentration of heavy metals in the environment, as well as to the determination of their content in human biological samples. In this paper, the concentration of chromium in samples of blood and internal organs collected at autopsy from 21 female and 39 male non-occupationally exposed subjects is presented. Elemental analysis was carried out by an electrothermal atomic absorption spectrometer after microwave-assisted acid digestion...
April 17, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29665445/acute-kidney-injury-during-treatment-with-high-dose-cloxacillin-a-report-of-23-cases-and-literature-review
#2
Aurélie Lavergne, Cécile Vigneau, Elisabeth Polard, Louise Triquet, Nathalie Rioux-Leclercq, Pierre Tattevin, Léonard Golbin
BACKGROUND: International guidelines recommend high-dose cloxacillin for endocarditis or osteoarticular infections due to meticillin-susceptible staphylococci. However, data on the tolerability of these regimens are scarce. METHODS: We used the computerized registry of suspected drug-related adverse events in our institution. Cases of acute kidney injury (AKI), as defined by KDIGO, in patients receiving high-dose cloxacillin, were retrospectively reviewed. Data were collected from medical charts on a standardized questionnaire...
April 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29665393/comparative-experimental-theoretical-studies-on-the-egfr-dimerization-under-the-effect-of-egf-egf-analogues-binding-highlighting-the-importance-of-egf-egfr-interactions-at-site-iii-interface
#3
Masomeh Mehrabi, Hamid Mahdiuni, Hassan Rasouli, Kamran Mansouri, Mohsen Shahlaie, Reza Khodarahmi
Epidermal growth factor receptors (EGFRs) and their cytoplasmic tyrosine kinases play significant roles in cell proliferation and signaling. All the members of the EGFR/ErbB family are primary goals for cancer therapy, particularly for tumors of breast, cervix, ovaries, kidney, esophagus, prostate and non-small-cell lung carcinoma and head and neck tumors. However, the therapeutic ability of accessible anti-ErbB agents is limited. Therefore, recognizing EGF analogues or small organic molecules with high affinity for the extracellular domain of the EGFR is a critical target on cancer research...
April 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29661141/diagnostic-utility-of-monitoring-cytomegalovirus-specific-immunity-by-quantiferon-cytomegalovirus-assay-in-kidney-transplant-recipients
#4
Dominika Deborska-Materkowska, Agnieszka Perkowska-Ptasinska, Anna Sadowska, Jolanta Gozdowska, Michał Ciszek, Marta Serwanska-Swietek, Piotr Domagala, Dorota Miszewska-Szyszkowska, Elzbieta Sitarek, Agnieszka Jozwik, Artur Kwiatkowski, Magdalena Durlik
BACKGROUND: Despite universal prophylaxis, late cytomegalovirus (CMV) infection occurs in a high proportion of kidney transplant recipients. We evaluated whether a specific viral T-cell response allows for the better identification of recipients who are at high risk of CMV infection after prophylaxis withdrawal. METHODS: We conducted a prospective study in 19 pretransplant anti-CMV seronegative kidney graft recipients R- (18 from seropositive donors [D+] and one from a seronegative donor [D-]) and 67 seropositive recipients R(+) (59 from seropositive donors and eight from seronegative donors) who received antiviral prophylaxis with valganciclovir...
April 16, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29660237/multiplexed-isobaric-tag-based-profiling-of-seven-murine-tissues-following-in-vivo-nicotine-treatment-using-a-minimalistic-proteomics-strategy
#5
Joao A Paulo, Mark P Jedrychowski, Edward T Chouchani, Lawrence Kazak, Steven P Gygi
Nicotine is a major addictive compound in tobacco and a component of smoking-related products, such as e-cigarettes. Once internalized, nicotine can perturb many cellular pathways and can induce alterations in proteins across different cell types, however the mechanisms thereof remain undetermined. We hypothesize that both tissue-specific and global protein abundance alterations result from nicotine exposure. As such, we present the first proteome analysis of multiple tissues from nicotine-exposed mice. We treat mice via oral administration of nicotine at 200μg/mL in drinking water for 21 days...
April 16, 2018: Proteomics
https://www.readbyqxmd.com/read/29658401/probabilistic-risk-assessment-of-gold-nanoparticles-after-intravenous-administration-by-integrating-in-vitro-and-in-vivo-toxicity-with-physiologically-based-pharmacokinetic-modeling
#6
Yi-Hsien Cheng, Jim E Riviere, Nancy A Monteiro-Riviere, Zhoumeng Lin
This study aimed to conduct an integrated and probabilistic risk assessment of gold nanoparticles (AuNPs) based on recently published in vitro and in vivo toxicity studies coupled to a physiologically based pharmacokinetic (PBPK) model. Dose-response relationships were characterized based on cell viability assays in various human cell types. A previously well-validated human PBPK model for AuNPs was applied to quantify internal concentrations in liver, kidney, skin, and venous plasma. By applying a Bayesian-based probabilistic risk assessment approach incorporating Monte Carlo simulation, probable human cell death fractions were characterized...
April 14, 2018: Nanotoxicology
https://www.readbyqxmd.com/read/29657212/mortality-in-the-elderly-with-acute-kidney-injury-in-an-internal-medicine-department-in-abidjan-cote-d-ivoire
#7
Hubert Kouamé Yao, Allah Yves Omer Binan, Serge-Didier Konan, Koffi Justin N'Da, Sery Patrick Diopoh
Acute kidney injury (AKI) in the elderly is characterized by high mortality. The objective of this study is to identify the causes of death in the elderly with AKI. This is a prospective cohort study with a descriptive purpose which was carried out during the period from January 2009 to December 2014 in the Department of Nephrology-Internal Medicine of Treichville University Hospital. The diagnosis of AKI was made on the basis of serum creatinine (SCr) values determined during hospitalization, according to KDIGO classification...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29657192/what-we-do-and-do-not-know-about-women-and-kidney-diseases-questions-unanswered-and-answers-unquestioned-reflection-on-world-kidney-day-and-international-woman-s-day
#8
EDITORIAL
Giorgina B Piccoli, Mona Alrukhaimi, Zhi-Hong Liu, Elena Zakharova, Adeera Levin
Chronic Kidney Disease affects approximately 10% of the world's adult population: it is within the top 20 causes of death worldwide, and its impact on patients and their families can be devastating. World Kidney Day and International Women's Day in 2018 coincide, thus offering an opportunity to reflect on the importance of women's health and specifically their kidney health, on the community, and the next generations, as well as to strive to be more curious about the unique aspects of kidney disease in women so that we may apply those learnings more broadly...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29656903/improving-the-prognosis-of-patients-with-severely-decreased-glomerular-filtration-rate-ckd-g4-conclusions-from-a-kidney-disease-improving-global-outcomes-kdigo-controversies-conference
#9
Kai-Uwe Eckardt, Nisha Bansal, Josef Coresh, Marie Evans, Morgan E Grams, Charles A Herzog, Matthew T James, Hiddo J L Heerspink, Carol A Pollock, Paul E Stevens, Manjula Kurella Tamura, Marcello A Tonelli, David C Wheeler, Wolfgang C Winkelmayer, Michael Cheung, Brenda R Hemmelgarn
Patients with severely decreased glomerular filtration rate (GFR) (i.e., chronic kidney disease [CKD] G4+) are at increased risk for kidney failure, cardiovascular disease (CVD) events (including heart failure), and death. However, little is known about the variability of outcomes and optimal therapeutic strategies, including initiation of kidney replacement therapy (KRT). Kidney Disease: Improving Global Outcomes (KDIGO) organized a Controversies Conference with an international expert group in December 2016 to address this gap in knowledge...
April 12, 2018: Kidney International
https://www.readbyqxmd.com/read/29656848/the-discipline-of-epidemiology-engaging-in-the-full-breadth-of-population-health-science
#10
EDITORIAL
Harold I Feldman
This address was delivered by Harold I. Feldman, MD, MSCE, at the Annual Meeting of the American College of Epidemiology in New Orleans, Louisiana, on September 26, 2017. Dr. Feldman is George S. Pepper Professor of Public Health and Preventive Medicine, Professor of Epidemiology and Medicine, and Chair, Department of Biostatistics, Epidemiology, and Informatics at the Perelman School of Medicine at the University of Pennsylvania. He is recognized nationally and internationally for his expertise in kidney disease epidemiology...
March 21, 2018: Annals of Epidemiology
https://www.readbyqxmd.com/read/29651565/synthesis-and-preclinical-evaluation-of-novel-18-f-labeled-glu-urea-glu-based-psma-inhibitors-for-prostate-cancer-imaging-a-comparison-with-18-f-dcfpyl-and-18-f-psma-1007
#11
Stephanie Robu, Alexander Schmidt, Matthias Eiber, Margret Schottelius, Thomas Günther, Behrooz Hooshyar Yousefi, Markus Schwaiger, Hans-Jürgen Wester
BACKGROUND: Due to its high and consistent expression in prostate cancer (PCa), the prostate-specific membrane antigen (PSMA) represents an ideal target for molecular imaging and targeted therapy using highly specific radiolabeled PSMA ligands. To address the continuously growing clinical demand for 18 F-labeled PSMA-probes, we developed two novel Glu-urea-Glu-(EuE)-based inhibitors, EuE-k-18 F-FBOA (1) and EuE-k-β-a-18 F-FPyl (2), both with optimized linker structure and different 18 F-labeled aromatic moieties...
April 12, 2018: EJNMMI Research
https://www.readbyqxmd.com/read/29650363/chemotherapy-versus-chemoradiotherapy-after-surgery-and-preoperative-chemotherapy-for-resectable-gastric-cancer-critics-an-international-open-label-randomised-phase-3-trial
#12
Annemieke Cats, Edwin P M Jansen, Nicole C T van Grieken, Karolina Sikorska, Pehr Lind, Marianne Nordsmark, Elma Meershoek-Klein Kranenbarg, Henk Boot, Anouk K Trip, H A Maurits Swellengrebel, Hanneke W M van Laarhoven, Hein Putter, Johanna W van Sandick, Mark I van Berge Henegouwen, Henk H Hartgrink, Harm van Tinteren, Cornelis J H van de Velde, Marcel Verheij
BACKGROUND: Both perioperative chemotherapy and postoperative chemoradiotherapy improve survival in patients with resectable gastric cancer from Europe and North America. To our knowledge, these treatment strategies have not been investigated in a head to head comparison. We aimed to compare perioperative chemotherapy with preoperative chemotherapy and postoperative chemoradiotherapy in patients with resectable gastric adenocarcinoma. METHODS: In this investigator-initiated, open-label, randomised phase 3 trial, we enrolled patients aged 18 years or older who had stage IB- IVA resectable gastric or gastro-oesophageal adenocarcinoma (as defined by the American Joint Committee on Cancer, sixth edition), with a WHO performance status of 0 or 1, and adequate cardiac, bone marrow, liver, and kidney function...
April 9, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29644612/tissue-distribution-and-oral-exposure-risk-assessment-of-heavy-metals-in-an-urban-bird-magpie-from-central-iran
#13
Mohammad Zarrintab, Rouhollah Mirzaei
Direct ingestion of soil and/or soil attached to the food items is a potential rout for wildlife exposure to contaminants. In this study, bioaccumulation of five heavy metals (HMs) in internal tissues of an urban bird (Pica pica) collected from Aran-O-Bidgol City, Central Iran and their related soil were investigated. A total of 15 magpie specimens were collected in autumn 2013 and then their internal tissues were digested using a mixture of HNO3 and H2 O2 , and finally, concentrations of HMs were detected by ICP-OES...
April 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29642457/dandelion-root-extract-induces-intracellular-ca-2-increases-in-hek293-cells
#14
Andrea Gerbino, Daniela Russo, Matilde Colella, Giuseppe Procino, Maria Svelto, Luigi Milella, Monica Carmosino
Dandelion (Taraxacum officinale Weber ex F.H.Wigg.) has been used for centuries as an ethnomedical remedy. Nonetheless, the extensive use of different kinds of dandelion extracts and preparations is based on empirical findings. Some of the tissue-specific effects reported for diverse dandelion extracts may result from their action on intracellular signaling cascades. Therefore, the aim of this study was to evaluate the effects of an ethanolic dandelion root extract (DRE) on Ca2+ signaling in human embryonic kidney (HEK) 293 cells...
April 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29626242/incidence-of-kidney-stone-disease-in-icelandic-children-and-adolescents-from-1985-to-2013-results-of-a-nationwide-study
#15
Vidar O Edvardsson, Solborg E Ingvarsdottir, Runolfur Palsson, Olafur S Indridason
BACKGROUND: An increase in the incidence of kidney stone disease has been reported for all age groups worldwide. To examine this trend, we conducted a nationwide study of the epidemiology of kidney stones in Icelandic children and adolescents over a 30-year period. METHODS: Computerized databases of all major hospitals and medical imaging centers in Iceland were searched for International Classification of Diseases and radiologic and surgical procedure codes indicative of kidney stones in patients aged < 18 years, followed by a thorough medical record review...
April 6, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29625779/b-type-natriuretic-peptide-may-predict-prognosis-in-older-adults-admitted-with-a-diagnosis-other-than-heart-failure
#16
S Di Marca, A Rando, E Cataudella, A Pulvirenti, S Alaimo, V Terranova, T Corriere, M Pisano, R Di Quattro, M L Ronsisvalle, C M Giraffa, M Giordano, B Stancanelli, L Malatino
BACKGROUND AND AIMS: The diagnosis of heart failure (HF) in elderly patients is often difficult, due to overlap of typical signs and symptoms with those of comorbidities. B-type Natriuretic Peptide (BNP) predicts diagnosis and prognosis of HF, but little is known on its predictive role of short-term prognosis when admission diagnosis is other than HF. METHODS AND RESULTS: We prospectively recruited 404 consecutive patients (aged≥65 years) hospitalized in the Unit of Internal Medicine, University of Catania, Catania, Italy, with an admission diagnosis other than HF...
March 2, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29625175/magi-proteins-can-differentially-regulate-the-signaling-pathways-of-5-ht-2a-r-by-enhancing-receptor-trafficking-and-plc-recruitment
#17
Maha M Hammad, Henry A Dunn, Stephen S G Ferguson
MAGI proteins are Membrane-Associated Guanylate Kinase Inverted proteins that belong to the MAGUK family. They are scaffolding proteins that were shown to mediate the trafficking and signaling of various G protein-coupled receptors (GPCRs). They contain PDZ domains in their structure and most GPCRs interact with these proteins via the PDZ motifs on the carboxyl terminal end of a receptor. In a PDZ overlay assay performed with the carboxyl terminal tail of 5-HT2A R, we were able to detect all three members of the MAGI subfamily, MAGI-1, MAGI-2 and MAGI-3 as interacting PDZ proteins...
April 3, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29624743/absence-of-interaction-between-porcine-endogenous-retrovirus-and-porcine-cytomegalovirus-in-pig-to-baboon-renal-xenotransplantation-in-vivo
#18
Jay A Fishman, David H Sachs, Kazuhiko Yamada, Robert A Wilkinson
BACKGROUND: Studies of xenotransplantation from swine have identified porcine viruses as potential barriers to clinical trials. The biology of these viruses has not been extensively investigated in the in vivo xeno-environment. Enhancement of viral gene expression by viral and cellular factors acting in trans has been demonstrated for certain viruses, including bidirectional interactions between human herpesviruses and endogenous (HERV) and exogenous (HIV) retroviruses. Both porcine cytomegalovirus (PCMV) and porcine endogenous retrovirus (PERV) infections have been identified in xenografts from swine...
April 6, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29623690/observation-about-phosphorus-and-protein-supply-in-cats-and-dogs-prior-to-the-diagnosis-of-chronic-kidney-disease
#19
L F Böswald, E Kienzle, B Dobenecker
There is evidence that nutritional phosphorus (P) excess may be a risk factor for chronic kidney disease (CKD) in humans and pets (Advances in Nutrition: An International Review Journal (2014), 5, 104; The American Journal of Clinical Nutrition, (2013), 98, 6; Journal of Feline Medicine and Surgery, (2017); The source of phosphorus influences serum PTH, apparent digestibility and blood levels of calcium and phosphorus in dogs fed high phosphorus diets with balanced Ca/P ratio. Proc. Waltham International Nutritional Sciences Symposium, USA; Clinical aspects of natural and added phosphorus in foods, 2017, Springer Science+Business, Media)...
April 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29619337/prevalence-and-prognostic-significance-of-prolonged-qtc-interval-in-emergency-medical-patients-a-prospective-observational-study
#20
Chhagan Lal Birda, Susheel Kumar, Ashish Bhalla, Navneet Sharma, Savita Kumari
Introduction: QTc interval is affected by many factors and prolongation of same may have prognostic significance. A significant number of patients admitted in medical emergency are acutely ill, have multiple comorbidities and are on medications, all of these factors might affect QTc interval and prognosis. Materials and Methods: Single-center, prospective, observational study was carried out on 279 patients of different illnesses recruited from emergency medical services attached to the Department of Internal Medicine at Postgraduate Institute of Medical Education and Research, Chandigarh, India, a tertiary care hospital...
January 2018: International Journal of Critical Illness and Injury Science
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