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drug effects on kidney function

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https://www.readbyqxmd.com/read/29329393/tgf-%C3%AE-mediated-nadph-oxidase-4-dependent-oxidative-stress-promotes-colistin-induced-acute-kidney-injury
#1
Bo Young Jeong, Se-Ra Park, Sungkwon Cho, Seong-Lan Yu, Hoi Young Lee, Chang Gyo Park, Jaeku Kang, Da-Young Jung, Moon Hyang Park, Won-Min Hwang, Sung-Ro Yun, Ju-Young Jung, Se-Hee Yoon
Background: Colistin (polymyxin E) is an important constituent of the polymyxin class of cationic polypeptide antibiotics. Intrarenal oxidative stress can contribute to colistin-induced nephrotoxicity. Nicotinamide adenine dinucleotide 3-phosphate oxidases (Noxs) are important sources of reactive oxygen species. Among the various types of Noxs, Nox4 is predominantly expressed in the kidney. Objectives: We investigated the role of Nox4 and benefit of Nox4 inhibition in colistin-induced acute kidney injury using in vivo and in vitro models...
January 9, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29328026/clinical-efficacy-of-s-adenosylmethionine-in-patients-with-non-alcoholic-steatohepatitis-and-chronic-kidney-disease-i-ii-stage
#2
A Antoniv, N Antofiychuk, T Danylyshina, I Trefanenko, V Shuper
The article presents a theoretical generalization of the results of the clinical efficacy of S-adenosylmethionine in patients with non-alcoholic steatohepatitis (NASH) in comorbidity with obesity and chronic kidney disease (CKD) of the 1st-2nd stages. The objective of the article was to determine the likely effect of S-adenosylmethionine and Meldonium on the clinical course of non-alcoholic steatohepatitis (NASH) and chronic kidney disease (CKD) of the I-II stages. We examined 75 patients with NASH with comorbid obesity I degree and CKD I and II dgrees...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29324626/vascular-effects-of-adrenomedullin-and-the-anti-adrenomedullin-antibody-adrecizumab-in-sepsis
#3
Christopher Geven, Andreas Bergmann, Matthijs Kox, Peter Pickkers
Sepsis remains a major scientific and medical challenge, for which, apart from significant refinements in supportive therapy, treatment has barely changed over the last few decades. During sepsis, both vascular tone and vascular integrity are compromised, and contribute to the development of shock. The free circulating peptide adrenomedullin (ADM) is involved in regulation of the endothelial barrier function and tone of blood vessels. Several animal studies have shown that ADM administration improves outcome of sepsis...
January 10, 2018: Shock
https://www.readbyqxmd.com/read/29316137/have-we-really-demonstrated-the-cardiovascular-safety-of-antihyperglycemic-drugs-rethinking-the-concepts-of-macrovascular-and-microvascular-disease-in-type-2-diabetes
#4
REVIEW
Milton Packer
A primary goal of the treatment of type 2 mellitus is the prevention of morbidity and mortality due to cardiovascular disease. However, antihyperglycemic drugs have the capacity to cause deleterious effects on the circulation, a risk that is not adequately reflected by the endpoints selected for emphasis in large-scale clinical trials that are designed to evaluate cardiovascular safety. The primary endpoint of the large-scale studies mandated by regulatory authorities focuses only on 3-4 events that depict only a limited view of the circulatory system...
January 5, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29300330/alpha-lipoic-acid-a-therapeutic-strategy-that-tend-to-limit-the-action-of-free-radicals-in-transplantation
#5
REVIEW
Nella Ambrosi, Diego Guerrieri, Fiorella Caro, Francisco Sanchez, Geraldine Haeublein, Domingo Casadei, Claudio Incardona, Eduardo Chuluyan
Organ replacement is an option to mitigate irreversible organ damage. This procedure has achieved a considerable degree of acceptance. However, several factors significantly limit its effectiveness. Among them, the initial inflammatory graft reaction due to ischemia-reperfusion injury (IRI) has a fundamental influence on the short and long term organ function. The reactive oxygen species (ROS) produced during the IRI actively participates in these adverse events. Therapeutic strategies that tend to limit the action of free radicals could result in beneficial effects in transplantation outcome...
January 4, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29297694/renal-clearable-hollow-bismuth-subcarbonate-nanotubes-for-tumor-targeted-ct-imaging-and-chemoradiotherapy
#6
Xi Hu, Jihong Sun, Fangyuan Li, Ruiqing Li, Jiahe Wu, Jie He, Nan Wang, Jianan Liu, Shuaifei Wang, Fei Zhou, Xiaolian Sun, Dokyoon Kim, Taeghwan Hyeon, Daishun Ling
Although metallic nanomaterials with high X-ray attenuation coefficients have been wide-ly used as X-ray computed tomography (CT) contrast agents, their intrinsically poor bio-degradability requires them to be cleared from the body to avoid any potential toxicity. On the other hand, extremely small-sized nanomaterials with outstanding renal clearance properties are not much effective for tumor targeting because of their too rapid clearance in vivo. To overcome this dilemma, here we report on the hollow bismuth subcarbonate nanotubes (BNTs) assembled from renal-clearable ultrasmall bismuth subcarbonate nanoclusters for tumor-targeted imaging and chemoradiotherapy...
January 3, 2018: Nano Letters
https://www.readbyqxmd.com/read/29295852/cyclooxygenase-2-selectively-controls-renal-blood-flow-through-a-novel-ppar%C3%AE-%C3%AE-dependent-vasodilator-pathway
#7
Nicholas S Kirkby, Walkyria Sampaio, Gisele Etelvino, Daniele T Alves, Katie L Anders, Rafael Temponi, Fisnik Shala, Anitha S Nair, Blerina Ahmetaj-Shala, Jing Jiao, Harvey R Herschman, Wang Xiaomeng, Walter Wahli, Robson A Santos, Jane A Mitchell
Cyclooxygenase-2 (COX-2) is an inducible enzyme expressed in inflammation and cancer targeted by nonsteroidal anti-inflammatory drugs. COX-2 is also expressed constitutively in discreet locations where its inhibition drives gastrointestinal and cardiovascular/renal side effects. Constitutive COX-2 expression in the kidney regulates renal function and blood flow; however, the global relevance of the kidney versus other tissues to COX-2-dependent blood flow regulation is not known. Here, we used a microsphere deposition technique and pharmacological COX-2 inhibition to map the contribution of COX-2 to regional blood flow in mice and compared this to COX-2 expression patterns using luciferase reporter mice...
January 2, 2018: Hypertension
https://www.readbyqxmd.com/read/29282644/a-case-of-nephrogenic-syndrome-of-inappropriate-antidiuresis-caused-by-carbamazepine
#8
Naoko Sekiya, Midori Awazu
We report a case of nephrogenic syndrome of inappropriate antidiuresis caused by carbamazepine (CBZ). CBZ, an antiepileptic drug, is known to cause hyponatremia. The mechanism is generally considered to be inappropriate secretion of antidiuretic hormone, whereas an experimental study suggests a direct effect of CBZ on the kidney by stimulating vasopressin receptor. An 18-year-old male with atypical autism and epilepsy has been treated with CBZ and clobazam since age 9 and 10 years, respectively. At age 11, he was found to have asymptomatic hyponatremia...
December 27, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29277489/c-547-a-6-methyluracil-derivative-with-long-lasting-binding-and-rebinding-on-acetylcholinesterase-pharmacokinetic-and-pharmacodynamic-studies
#9
Konstantin Petrov, Irina Zueva, Irina Kovyazina, Igor Sedov, Sofya Lushchekina, Alexandra Kharlamova, Oksana Lenina, Sergei Koshkin, Yurii Shtyrlin, Evgeny Nikolsky, Patrick Masson
C-547, a potent slow-binding inhibitor of acetylcholinesterase (AChE) was intravenously administered to rat (0.05 mg/kg). Pharmacokinetic profiles were determined in blood and different organs: extensor digitorum longus muscle, heart, liver, lungs and kidneys as a function of time. Pharmacokinetics (PK) was studied using non-compartmental and compartmental analyses. A 3-compartment model describes PK in blood. Most of injected C-547 binds to albumin in the bloodstream. The steady-state volume of distribution (3800 ml/kg) is 15 times larger than the distribution volume, indicating a good tissue distribution...
December 22, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29274427/purification-in-vitro-antioxidant-and-in-vivo-anti-aging-activities-of-soluble-polysaccharides-by-enzyme-assisted-extraction-from-agaricus-bisporus
#10
Shangshang Li, Min Liu, Chen Zhang, Chengye Tian, Xiuxiu Wang, Xinling Song, Huijuan Jing, Zheng Gao, Zhenzhen Ren, Weiru Liu, Jianjun Zhang, Le Jia
In present study, the soluble polysaccharides by enzyme-assisted extraction from Agaricus bisporus (EnAPS) and its purified fractions of EnAPS-1, -2 and -3 were successfully obtained, and the antioxidant activities and anti-aging effects were investigated. The in vitro antioxidant assay demonstrated that EnAPS-2 had superior scavenging activities on DPPH and hydroxyl radicals, chelating activities of Fe2+ and reducing power. The in vivo animal experiments showed that both EnAPS and its purifies fractions had potential anti-aging effects against the D-galctose-induced aging diseases on liver, kidney, brain and skin, possibly by increasing the antioxidant enzymes, reducing the lipid peroxidation, improving the organ functions and remitting the lipid metabolism...
December 20, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29273857/development-of-a-dietary-formulation-of-the-sheta2-chemoprevention-drug-for-mice
#11
Doris M Benbrook, Naveena B Janakiram, Vishal Chandra, Gopal Pathuri, Venkateshwar Madka, Nicole C Stratton, Chioniso P Masamha, Cassadie N Farnsworth, Lucila Garcia-Contreras, Manolya Kukut Hatipoglu, Stan Lighfoot, Chinthalapally V Rao
Development of cancer chemoprevention compounds requires enhanced consideration for toxicity and route of administration because the target population is healthy. The small molecule drug, SHetA2 (NSC 726189), exhibited in vivo chemoprevention activity and lack of toxicity when administered by oral gavage. Our objective was to determine if a dietary formulation of SHetA2 could achieve effective tissue drug levels without toxicity. C57bl/6 J mice were monitored on modified American Institute of Nutrition (AIN)76A diet mixed with SHetA2 in a 3:1 ratio with Kolliphor HS15, a self-emulsifying drug delivery system (SEDDS) to deliver 37...
December 22, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/29260442/cellular-senescence-in-the-aging-and-diseased-kidney
#12
REVIEW
F A Valentijn, L L Falke, T Q Nguyen, Roel Goldschmeding
The program of cellular senescence is involved in both the G1 and G2 phase of the cell cycle, limiting G1/S and G2/M progression respectively, and resulting in prolonged cell cycle arrest. Cellular senescence is involved in normal wound healing. However, multiple organs display increased senescent cell numbers both during natural aging and after injury, suggesting that senescent cells can have beneficial as well as detrimental effects in organismal aging and disease. Also in the kidney, senescent cells accumulate in various compartments with advancing age and renal disease...
December 19, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29248449/interactions-between-crude-drug-extracts-used-in-japanese-traditional-kampo-medicines-and-organic-anion-transporting-polypeptide-2b1
#13
Rie Iijima, Tomoki Watanabe, Kan'ichiro Ishiuchi, Takashi Matsumoto, Junko Watanabe, Toshiaki Makino
ETHNOPHARMACOLOGICAL RELEVANCE: The use of herbal medicines has become popular worldwide, and the information on drug interactions between herbal medicines and chemical drugs is needed. AIM OF THE STUDY: We screened the inhibitory effects of crude drugs used in Kampo medicines used in Japan on organic anion-transporting polypeptide (OATP) 2B1 to predict potential interactions between Kampo medicines and chemical drugs used together. MATERIALS AND METHODS: We chose 98 kinds of crude drugs frequently used as ingredients of Kampo formulations in Japan and prepared their boiling water extracts...
December 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29245065/diclofenac-induced-renal-toxicity-in-female-wistar-albino-rats-is-protected-by-the-pre-treatment-of-aqueous-leaves-extract-of-madhuca-longifolia-through-suppression-of-inflammation-oxidative-stress-and-cytokine-formation
#14
Jerine Peter S, Sabina Evan Prince
CONTEXT: Kidney has a vital role in renal clearance, maintenance of blood pressure, elimination of toxic products and formation of prostaglandins. Certain medications are known to cause renal injury on its frequent usage and high dosage. Diclofenac is a non-steroidal anti-inflammatory drug which is used in the treatment of pain and arthritis. Madhuca longifolia is a deciduous tree which is known to the have anti-microbial, anti-ulcer, hepatoprotective, anti-diabetic, anti-inflammatory and analgesic activity...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29240784/effects-of-calcium-channel-blockers-comparing-to-angiotensin-converting-enzyme-inhibitors-and-angiotensin-receptor-blockers-in-patients-with-hypertension-and-chronic-kidney-disease-stage-3-to-5-and-dialysis-a-systematic-review-and-meta-analysis
#15
Yen-Chung Lin, Jheng-Wei Lin, Mai-Szu Wu, Kuan-Chou Chen, Chiung-Chi Peng, Yi-No Kang
BACKGROUND: Calcium channel blocker (CCB) or two renin angiotensin aldosterone system blockades (RAAS), angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs), are major potent and prevalently used as initial antihypertensive agents for mild to moderate hypertension, but no uniform agreement as to which antihypertensive drugs should be given for initial therapy, especially among chronic kidney disease (CKD) patients. DESIGN: A systematic review and meta-analysis comparing CCBs and the two RAAS blockades for hypertensive patients with CKD stage 3 to 5D...
2017: PloS One
https://www.readbyqxmd.com/read/29227582/role-of-the-sodium-hydrogen-exchanger-in-mediating-the-renal-effects-of-drugs-commonly-used-in-the-treatment-of-type-2-diabetes
#16
REVIEW
Milton Packer
Diabetes is characterized by an increased activity of the sodium-hydrogen exchanger (NHE) in the glomerulus and renal tubules, which contributes importantly to the development of nephropathy. Despite the established role played by the exchanger in experimental studies, it has not been specifically targeted by those seeking to develop novel pharmacological treatments for diabetes. This review demonstrates that many existing drugs that are commonly prescribed to patients with diabetes act on the NHE1 and NHE3 isoforms in the kidney...
December 11, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29222397/indoxyl-sulfate-upregulates-liver-p-glycoprotein-expression-and-activity-through-aryl-hydrocarbon-receptor-signaling
#17
Tacy Santana Machado, Stéphane Poitevin, Pascale Paul, Nathalie McKay, Noémie Jourde-Chiche, Tristan Legris, Annick Mouly-Bandini, Françoise Dignat-George, Philippe Brunet, Rosalinde Masereeuw, Stéphane Burtey, Claire Cerini
In patients with CKD, not only renal but also, nonrenal clearance of drugs is altered. Uremic toxins could modify the expression and/or activity of drug transporters in the liver. We tested whether the uremic toxin indoxyl sulfate (IS), an endogenous ligand of the transcription factor aryl hydrocarbon receptor, could change the expression of the following liver transporters involved in drug clearance: SLC10A1, SLC22A1, SLC22A7, SLC47A1, SLCO1B1, SLCO1B3, SLCO2B1, ABCB1, ABCB11, ABCC2, ABCC3, ABCC4, ABCC6, and ABCG2 We showed that IS increases the expression and activity of the efflux transporter P-glycoprotein (P-gp) encoded by ABCB1 in human hepatoma cells (HepG2) without modifying the expression of the other transporters...
December 8, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29214368/renal-pharmacists-perceptions-and-current-practices-of-assessing-medication-adherence-in-dialysis-patients
#18
Saurav Ghimire, Colin Banks, Matthew D Jose, Ronald L Castelino, Syed Tabish R Zaidi
Background Medication nonadherence is a major problem in chronic kidney failure patients undergoing dialysis. Pharmacists play a vital role in improving medication-related patient outcomes, reducing drug-related problems, and improving medication adherence. However, little is known about how pharmacists assess medication adherence in dialysis patients. Objective To measure pharmacists' perceptions, current practices, and barriers to assessing adherence in dialysis patients. Setting Australian renal-specialised pharmacists...
December 6, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/29209440/efficacy-of-fenugreek-based-bionanocomposite-on-renal-dysfunction-and-endogenous-intoxication-in-high-calorie-diet-induced-obesity-rat-model-comparative-study
#19
Victoria V Konopelniuk, Ievgenii I Goloborodko, Tetyana V Ishchuk, Tetyana B Synelnyk, Ludmila I Ostapchenko, Mykola Ya Spivak, Rostyslav V Bubnov
Background: Worldwide obesity spread is a global health problem and needs to be further studied. Co-morbidities of obesity include insulin resistance, diabetes mellitus type 2, and dyslipidemia, which are the most frequent contributing factors for metabolic syndrome (MetS), as well as non-alcoholic fatty liver disease and chronic kidney disease. The aim was to study renal function and endogenous intoxication panel on high-calorie diet-induced obesity rat model and perform comparative study of the treatment efficacy of Fenugreek-based bionanocomposite vs antiobesogenic drugs (Orlistat)...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29204688/pharmacokinetics-of-recombinant-asparaginase-in-children-with-acute-lymphoblastic-leukemia
#20
Swantje Völler, Uwe Pichlmeier, Anke Zens, Georg Hempel
PURPOSE: The objective of this study was to assess the pharmacokinetics of recombinant asparaginase (rASNase, Spectrila®) in children with acute lymphoblastic leukemia using a population pharmacokinetic approach in order to explore potential dosing recommendations. METHODS: Data on serum asparaginase activities of 124 children from three clinical studies were included in the analysis, covering an age range from 3 days to 17 years. Most patients received 5000 U/m2 rASNase intravenously every 3 days...
December 5, 2017: Cancer Chemotherapy and Pharmacology
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