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https://www.readbyqxmd.com/read/28927237/augmented-association-between-blood-pressure-and-proteinuria-in-hyperuricemic-patients-with-non-nephrotic-chronic-kidney-disease
#1
K Kohagura, M Kochi, T Miyagi, R Zamami, K Nagahama, K Yonemoto, Y Ohya
Background: Hyperuricemia (HU) may enhance susceptibility to hypertensive renal damage via disrupted autoregulation of glomerular hemodynamics. The effect of HU on the association between blood pressure (BP) and proteinuria remains unknown in patients with chronic kidney disease (CKD). Methods: In total, 109 patients with non-nephrotic CKD (55 men and 54 females) who underwent renal biopsy were recruited. Arteriolar hyalinosis was semiquantitatively assessed via arteriole grading...
September 13, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28927121/the-role-of-jagged1-notch-pathway-mediated-angiogenesis-of-hepatocarcinoma-cells-in-vitro-and-the-effects-of-the-spleen-invigorating-and-blood-stasis-removing-recipe
#2
Juze Lin, Yongxin Lin, Le Su, Qiao Su, Wei Guo, Xuhui Huang, Changjun Wang, Lizhu Lin
The objective of this study was to observe the effect of Jagged1/Notch pathway-mediated angiogenesis on the in vitro proliferation of hepatocellular carcinoma cells, and the effect and possible mechanism of the spleen-invigorating and blood stasis-removing recipe. Spleen-invigorating and blood stasis-removing recipe serum from SPF grade nude mice was prepared, and the fingerprint of the drugs of the spleen-invigorating and blood stasis-removing recipe and drug serum were identified by HPLC. SMMC-7721 human hepatocellular carcinoma cells were divided into the normal control group, DAPT inhibitor control group, and drug serum group according to the different treatments...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926980/indexing-natural-products-for-their-potential-anti-diabetic-activity-filtering-and-mapping-discriminative-physicochemical-properties
#3
Mouhammad Zeidan, Mahmoud Rayan, Nuha Zeidan, Mizied Falah, Anwar Rayan
Diabetes mellitus (DM) poses a major health problem, for which there is an unmet need to develop novel drugs. The application of in silico techniques and optimization algorithms is instrumental to achieving this goal. A set of 97 approved anti-diabetic drugs, representing the active domain, and a set of 2892 natural products, representing the inactive domain, were used to construct predictive models and to index anti-diabetic bioactivity. Our recently-developed approach of 'iterative stochastic elimination' was utilized...
September 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926934/the-beneficial-effects-of-allicin-in-chronic-kidney-disease-are-comparable-to-losartan
#4
Ehécatl Miguel Ángel García Trejo, Abraham Said Arellano Buendía, Omegar Sánchez Reyes, Fernando Enrique García Arroyo, Raúl Arguello García, María Lilia Loredo Mendoza, Edilia Tapia, Laura Gabriela Sánchez Lozada, Horacio Osorio Alonso
Recent studies suggest that allicin may play a role in chronic kidney disease (CKD), reducing hypertension and oxidative stress and improving renal dysfunction. In the present study, CKD was induced by 5/6 nephrectomy and the animals were divided into four treatment groups as follows: control (C), CKD, CKD+allicin (40 mg/kg pathway oral) (CKDA), and CKD+Losartan (20 mg/kg) (CKDL). After CKD induction, the rats developed hypertension from week 3 to the end of the study. This was associated with increased creatinine and blood urea nitrogen (BUN) levels in serum, increased albuminuria, increased urinary excretion of N-acetyl-β-d-glucosaminidase (NAG), increased nephrin expression, and incrased histological alterations in the cortex...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926628/application-of-raman-spectroscopy-in-type-2-diabetes-screening-in-blood-using-leucine-and-isoleucine-amino-acids-as-biomarkers-and-in-comparative-anti-diabetic-drugs-efficacy-studies
#5
Zephania Birech, Peter Waweru Mwangi, Fredrick Bukachi, Keith Makori Mandela
Diabetes is an irreversible condition characterized by elevated blood glucose levels. Currently, there are no predictive biomarkers for this disease and the existing ones such as hemoglobin A1c and fasting blood glucose are used only when diabetes symptoms are noticed. The objective of this work was first to explore the potential of leucine and isoleucine amino acids as diabetes type 2 biomarkers using their Raman spectroscopic signatures. Secondly, we wanted to explore whether Raman spectroscopy can be applied in comparative efficacy studies between commercially available anti-diabetic drug pioglitazone and the locally used anti-diabetic herbal extract Momordica spinosa (Gilg...
2017: PloS One
https://www.readbyqxmd.com/read/28925895/cardiovascular-drug-therapy-for-human-newborn-review-of-pharmacodynamic-data
#6
Ebru Ergenekon, Héctor Rojas-Anaya, María Carmen Bravo, Charalampos Kotidis, Liam Mahoney, Heike Rabe
BACKGROUND: Circulatory failure in preterm and term newborn infants is commonly treated with inotropes or vasoactive medications. In this structured literature review, the available data on pharmacodynamic effects of the inotropes adrenaline, dobutamine, dopamine, levosimendan, milrinone, noradrenaline, and the vasoactive drugs vasopressin and hydrocortisone are presented. METHODS: Structured searches were conducted to identify relevant articles according to pre-defined inclusion criteria which were human clinical trials published after 2000...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28925888/a-self-nanoemulsifying-drug-delivery-system-for-poorly-water-soluble-tolbutamide-development-optimization-and-pharmacodynamic-studies
#7
Deepti Pandita, Neelam Kumari, Viney Lather
The current investigation involves the development of a thermodynamically stable and dilutable self-nanoemulsifying drug delivery system (SNEDDS) for tolbutamide, a poorly water soluble hypoglycemic drug, in order to achieve higher water solubility and enhanced dissolution rate which in turn improves its oral bioavailability. Pseudo-ternary phase diagrams suggested the suitability of oleic acid (lipid), Tween 20 (surfactant) and PEG 400 (co-surfactant) for developing the SNEEDS formulations. The optimal SNEDDS formulation having mean globule diameter, viscosity, polydispersity value of 58...
September 15, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28925161/-protective-effects-of-liuwei-wuling-tablet-on-acute-alcoholic-induced-liver-injury-in-mice
#8
Ping Yin, He-Rong Cui, Cong-En Zhang, Yuan Zhang, Ya-Kun Meng, Lan-Zhi He, Hui-Min Liu, Xiu-Xiu Sang, Jia-Bo Wang, Zhao-Fang Bai, Xiao-He Xiao
The protective action and the relevant mechanism of Liuwei Wuling tablet on acute alcoholic hepatic injury in mice were investigated. All the C57BL/6 mice were divided randomly into 7 groups including blank, model, bifendate (150 mg•kg⁻¹, positive control) and experimental groups consisted of extremely low dose (0.1 g•kg⁻¹), low (0.5 g•kg⁻¹), upper (4 g•kg⁻¹) and high dose (8 g•kg⁻¹) of Liuwei Wuling tablet groups. The acute liver injury model was induced by modified method that the model, positive control and experimental groups were orally administrated 56% alcohol (6 g•kg⁻¹) twice at 12 hour intervals on the fifth day after drugs administration...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28925053/extracorporeal-membrane-oxygenation-can-save-lives-in-children-with-heart-or-lung-failure-after-liver-transplantation
#9
Sandrine Jean, Christophe Chardot, Mehdi Oualha, Carmen Capito, Olivier Bustarret, Philippe Pouard, Sylvain Renolleau, Florence Lacaille, Laurent Dupic
The risk of cardiac or lung failure after liver transplantation (LT) is significant. In rare cases, the usual intensive care techniques fail to maintain organ oxygenation with a risk of multiorgan dysfunction. Although extracorporeal membrane oxygenation (ECMO) is a difficult and risky procedure, it can be proposed as life-saving. Four children with either acute pulmonary (three) or cardiac (one) failure after LT, and the criteria that decided the use of ECMO (level of ventilation and results, dosage of inotropic drugs, cardiac ultrasound, blood lactate) were retrospectively reported...
September 2017: Artificial Organs
https://www.readbyqxmd.com/read/28925046/in-vivo-pharmacodynamic-and-pharmacokinetic-interactions-of-hibiscus-sabdariffa-calyces-extracts-with-simvastatin
#10
S J Showande, O M Adegbolagun, S I Igbinoba, T O Fakeye
WHAT IS KNOWN AND OBJECTIVES: Increasing number of patients use herbs with their medications. Such practice may result in beneficial or harmful herb-drug interactions. A recent survey reported that some participants co-administered Hibiscus sabdariffa, a widely used beverage, or tea, with their antihyperlipidaemic medications. This study therefore evaluated the effect of concomitant administration of Hibiscus sabdariffa calyces' extracts with simvastatin on hyperlipidaemia and pharmacokinetics of the drug in vivo...
September 18, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28923870/associations-between-voriconazole-therapeutic-drug-monitoring-toxicity-and-outcome-in-liver-transplant-patients-an-observational-study
#11
Zahra Hashemizadeh, Parisa Badiee, Seyed Ali Malekhoseini, Hadi Raeisi Shahraki, Bita Geramizadeh, Hashem Montaseri
The aim of this study was to investigate the variability of voriconazole plasma level and its relationship with clinical outcomes and adverse events, among liver transplant recipients to optimize the efficacy and safety of their treatment. Liver transplant recipients treated with voriconazole were included and voriconazole trough levels were quantified by the validated high-performance liquid chromatography method. Cytochrome P450 genotypes of CYP2C19 were evaluated in allograft liver tissues. A total of 832 voriconazole trough levels from 104 patients were measured...
September 18, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28923291/use-of-prohibited-medication-a-potentially-overlooked-confounder-in-clinical-trials-omarigliptin-once-weekly-dpp-4-inhibitor-monotherapy-trial-in-18-to-45-year-olds
#12
Ira Gantz, Liubov Sokolova, Lokesh Jain, Carol Iredale, Edward A O'Neill, Ziwen Wei, Raymond Lam, Shailaja Suryawanshi, Keith D Kaufman, Samuel S Engel, Eseng Lai
PURPOSE: The objective of this clinical trial was to assess the efficacy and safety of omarigliptin monotherapy in young adult patients with type 2 diabetes mellitus (T2DM). Unexpected efficacy results in this trial led to a series of investigations that identified the use of prohibited medication by a substantial number of trial patients. METHODS: Patients with T2DM who were ≥18 to <45 years of age and either drug-naive or not on an antihyperglycemic agent for ≥12 weeks with inadequate glycemic control were randomized in a double-blind manner to receive omarigliptin 25 mg once weekly (n = 102) or placebo once weekly (n = 101) for 24 weeks...
September 15, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28923171/potential-early-biomarkers-of-sarcopenia-among-independent-older-adults
#13
Ana Coto Montes, José Antonio Boga, Carlos Bermejo Millo, Adrián Rubio González, Yaiza Potes Ochoa, Ignacio Vega Naredo, Marta Martínez Reig, Luis Romero Rizos, Pedro Manuel Sánchez Jurado, Juan Jose Solano, Pedro Abizanda, Beatriz Caballero
OBJECTIVES: There are no tools or biomarkers for a quantitative analysis of sarcopenia. STUDY DESIGN: Cross-sectional study of the diagnosis of sarcopenia in 200 independent adults aged 70 years or over. MAIN OUTCOME MEASURES: Sarcopenia was defined as loss of muscle mass together with low strength and/or loss of physical performance. We considered different clinical parameters and assayed potential blood biomarkers (cell energetic metabolism, muscle performance, inflammation, infection and oxidative stress)...
October 2017: Maturitas
https://www.readbyqxmd.com/read/28922669/a-critical-commentary-on-the-2017-agnp-consensus-guidelines-for-therapeutic-drug-monitoring-in-neuropsychopharmacology
#14
Jose de Leon
In 2004, 2011, and 2017, the Arbeitsgemeinschaft für Neuropsychopharmakologie und Pharmakopsychiatrie (AGNP), a group of German-speaking psychiatric researchers and psychiatrists, published successive versions of therapeutic drug monitoring (TDM) expert group consensus guidelines. The 2017 version has as a major strength its encyclopedic nature, including 1358 references. The guideline has 3 major sections: 1) theoretical aspects of TDM, 2) drug concentration levels in blood to guide neuropsychopharmacotherapy, and 3) practical aspects of TDM in psychiatry and neurology...
September 18, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28921565/the-impact-of-p-glycoprotein-and-breast-cancer-resistance-protein-on-the-brain-pharmacokinetics-and-pharmacodynamics-of-a-panel-of-mek-inhibitors
#15
Mark C de Gooijer, Ping Zhang, Ruud Weijer, Levi C M Buil, Jos H Beijnen, Olaf van Tellingen
Mitogen/extracellular signal-regulated kinase (MEK) inhibitors have been tested in clinical trials for treatment of intracranial neoplasms, including glioblastoma (GBM), but efficacy of these drugs has not yet been demonstrated. The blood-brain barrier (BBB) is a major impediment to adequate delivery of drugs into the brain and may thereby also limit the successful implementation of MEK inhibitors against intracranial malignancies. The BBB is equipped with a range of ATP-dependent efflux transport proteins, of which P-gp (ABCB1) and BCRP (ABCG2) are the two most dominant for drug efflux from the brain...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28919802/abcb1-and-abcc1-single-nucleotide-polymorphisms-in-patients-treated-with-clozapine
#16
Irina Piatkov, Dorgival Caetano, Yolinda Assur, Sue Lynn Lau, Trudi Jones, Steven C Boyages, Mark McLean
Clozapine (CZ) has superior efficacy to other antipsychotic agents in the treatment of schizophrenia and has been extensively used in clinical practice. ATP-binding cassette (ABC) transporter proteins are responsible for the distribution of various molecules as well as drugs across extracellular and intracellular membranes, including the blood-brain barrier. Genetic variations in these proteins can account for differences in treatment response. We investigated the influence of ABCB1 rs1045642 and ABCC1 rs212090 single-nucleotide polymorphisms (SNPs) on CZ serum level, clinical outcome, and changes in body mass index (BMI) in the first year of CZ treatment...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28919776/safety-pharmacokinetics-and-pharmacodynamics-of-oral-omaveloxolone-rta-408-a-synthetic-triterpenoid-in-a-first-in-human-trial-of-patients-with-advanced-solid-tumors
#17
Ben C Creelan, Dmitry I Gabrilovich, Jhanelle E Gray, Charles C Williams, Tawee Tanvetyanon, Eric B Haura, Jeffrey S Weber, Geoffrey T Gibney, Joseph Markowitz, Joel W Proksch, Scott A Reisman, Mark D McKee, Melanie P Chin, Colin J Meyer, Scott J Antonia
BACKGROUND: Omaveloxolone is a semisynthetic oleanane triterpenoid that potently activates Nrf2 with subsequent antioxidant function. We conducted a first-in-human Phase I clinical trial (NCT02029729) with the primary objectives to determine the appropriate dose for Phase II studies, characterize pharmacokinetic and pharmacodynamic parameters, and assess antitumor activity. METHODS: Omaveloxolone was administered orally once daily continuously in a 28-day cycle for patients with stage 4 relapsed/refractory melanoma or non-small cell lung cancer...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919711/protective-role-of-quercetin-against-manganese-induced-injury-in-the-liver-kidney-and-lung-and-hematological-parameters-in-acute-and-subchronic-rat-models
#18
Entaz Bahar, Geum-Hwa Lee, Kashi Raj Bhattarai, Hwa-Young Lee, Hyun-Kyoung Kim, Mallikarjun Handigund, Min-Kyung Choi, Sun-Young Han, Han-Jung Chae, Hyonok Yoon
Manganese (Mn) is an important mineral element required in trace amounts for development of the human body, while over- or chronic-exposure can cause serious organ toxicity. The current study was designed to evaluate the protective role of quercetin (Qct) against Mn-induced toxicity in the liver, kidney, lung, and hematological parameters in acute and subchronic rat models. Male Sprague Dawley rats were divided into control, Mn (100 mg/kg for acute model and 15 mg/kg for subchronic model), and Mn + Qct (25 and 50 mg/kg) groups in both acute and subchronic models...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28917785/fluorescence-quenching-based-alkaline-phosphatase-activity-detection
#19
Yaqi Mei, Qiong Hu, Baojing Zhou, Yonghui Zhang, Minhui He, Ting Xu, Feng Li, Jinming Kong
Simple and fast detection of alkaline phosphatase (ALP) activity is of great importance for diagnostic and analytical applications. In this work, we report a turn-off approach for the real-time detection of ALP activity on the basis of the charge transfer induced fluorescence quenching of the Cu(BCDS)2(2-) (BCDS = bathocuproine disulfonate) probe. Initially, ALP can enzymatically hydrolyze the substrate ascorbic acid 2-phosphate to release ascorbic acid (AA). Subsequently, the AA-mediated reduction of the Cu(BCDS)2(2-) probe, which displays an intense photoluminescence band at the wavelength of 402nm, leads to the static quenching of fluorescence of the probe as a result of charge transfer...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28916286/toxicology-studies-of-primycin-sulphate-using-a-three-dimensional-3d-in-vitro-human-liver-aggregate-model
#20
Ágota Pénzes, Elhusseiny Mohamed Mahmud Abdelwahab, Judit Rapp, Zsanett A Péteri, Judit Bovári-Biri, Csaba Fekete, György Miskei, Krisztián Kvell, Judit E Pongrácz
Primycin-sulphate is a highly effective compound against Gram (G) positive bacteria. It has a potentially synergistic effect with vancomycin and statins which makes primycin-sulphate a potentially very effective preparation. Primycin-sulphate is currently used exclusively in topical preparations such as in in vitro animal hepatocyte and neuromuscular junction studies (in mice, rats, snakes, frogs) as well as in in vitro human red blood cell experiments. During these studies, the use of primycin-sulphate resulted in reduced cellular membrane integrity and modified ion channel activity...
September 12, 2017: Toxicology Letters
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