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Drug Research

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https://www.readbyqxmd.com/read/30208495/modulation-of-oxidative-stress-and-hyperglycemia-by-rheum-spiciformis-in-alloxan-induced-diabetic-rats-and-characterization-of-isolated-compound
#1
Aashiq Hussain Bhat, Khalid Bashir Dar, Mohammad Afzal Zargar, Akbar Masood, Showkat Ahmad Ganie
This study evaluates the ameliorative potential of Rheum spiciformis methanolic (RS-MeOH) extract in reducing oxidative stress and hyperglycemia in albino rats along with characterization of possible therapeutic compound(s). Groups treated with 50 and 100 mg/kg bw plant extract (RS-MeOH ) decrease blood glucose levels from 359.9±8.2 to 209.5±8.5 mg/dl (50 mg/kg bw) and 354.7±13.3 to 162.5±7.4 mg/dl (100 mg/kg bw) on the 0th and 14th day (P<0.001) respectively. This reduction in blood glucose was significant as compared to glibenclamide (20 mg/dl) which reduced glucose levels from 297...
September 12, 2018: Drug Research
https://www.readbyqxmd.com/read/30193396/which-antimicrobial-agent-is-likely-to-be-the-best-for-treating-clostridium-difficile-infections-a-bayesian-network-meta-analysis-of-randomized-clinical-trials
#2
Kannan Sridharan, Gowri Sivaramakrishnan
BACKGROUND: Vancomycin, metronidazole, fidaxomicin, teicoplanin, fusidic acid and bacitracin have been recommended for the treatment of Clostridium difficile infections (CDI). We conducted a Bayesian network meta-analysis comparing all the antimicrobial agents used in CDI. METHODS: Electronic databases were searched for randomized controlled trials comparing antimicrobial agents used for CDI. Risk of bias was assessed. Random effects model was used to derive the mixed treatment comparison estimates...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30193395/lysimachia-capillipes-inhibit-adipogenesis-via-angiogenesis-inhibition
#3
Xiumin Li, Yu Xue, Liang Pang, Zhaoshui ShangGuan, Yutian Pan
Obesity is a common and increasingly prevalent human condition due to unhealthy diet and less-exercise lifestyle. Development of obesity is associated with substantial modulation of adipose tissue structure. The expansion of adipose tissue is linked to the development of its vasculature, and modulation of angiogenesis may have the potential to impair adipose tissue development. In this study, we used obesity model of zebrafish fed by egg yolk to investigate the effect of Lysimachia capillipes on the obesity...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30193394/the-association-between-genetic-polymorphisms-and-simvastatin-induced-myopathy-a-narrative-synthesis-of-evidence
#4
Xingang Li, Shusen Sun, Xiaowei Xu, Zhigang Zhao, Wei Li
BACKGROUND AND STUDY AIM: Genetic polymorphisms may play a role in muscular injury associated with simvastatin, but results were inconclusive. This study aimed to summarize evidence from the literature investigating the effects of genetic polymorphism on simvastatin-induced myopathy. METHODS: Studies regarding the association between genetic polymorphisms and simvastatin-induced myopathy were retrieved through electronic databases from February 1, 1990 to March 15, 2018...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30193393/a-single-institution-retrospective-study-of-the-clinical-efficacy-of-tiotropium-respimat-in-never-smoking-elderly-asthmatics-with-irreversible-airflow-limitation
#5
Johsuke Hara, Kazuo Kasahara, Noriyuki Ohkura, Kenta Yamamura, Tamami Sakai, Miki Abo, Naohiko Ogawa, Keigo Saeki, Hayato Koba, Satoshi Watanabe, Yuka Uchida, Yuichi Tambo, Takashi Sone, Hideharu Kimura
OBJECTIVE: In Japan, most asthma deaths occur among the elderly. We should improve the control of asthma in elderly patients to reduce the number of deaths due to asthma. This retrospective study aimed to evaluate the efficacy of tiotropium RespimatⓇ (Tio-Res) in symptomatic, never-smoking, elderly asthmatics with irreversible airflow limitation despite the use of high-dose inhaled corticosteroids (ICS) plus long-acting β2 -adrenoceptor agonists (LABA). METHODS: The Asthma Control Test™ (ACT), pulmonary function tests, morning and evening peak flow (mPEF, ePEF, respectively, evaluated with an ASSESS® peak flow meter), and respiratory impedance (assessed with MostGraph® ) were measured before and after a minimum of one year of Tio-Res 5 µg/day administration...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30193392/determination-of-tofacitinib-in-mice-whole-blood-on-dried-blood-spots-using-lc-esi-ms-ms-application-to-pharmacokinetic-study-in-mice
#6
Abhishek Dixit, Sadanand Rangnathrao Mallurwar, Suresh P Sulochana, Mohd Zainuddin, Ramesh Mullangi
A simple, sensitive and rapid assay method has been developed and validated as per regulatory guideline for the estimation of tofacitinib on mice dried blood spots (DBS) using liquid chromatography coupled to tandem mass spectrometry with electro spray ionization in the positive-ion mode. The method employs liquid extraction of tofacitinib from DBS disk of mice whole blood followed by chromatographic separation using 5 mM ammonium acetate (pH 6.5):acetonitrile (20:80, v/v) at a flow rate of 0.60 mL/min on an X-Terra Phenyl column with a total run time 2...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30193391/synthesis-and-biological-evaluation-of-novel-5-oxo-1-phenylpyrrolidine-3-carboxylic-acid-analogs
#7
Poornima Devi, Abha Bishnoi, Krishna Srivastava, Sunil Kumar, Ankita Srivastava, Shaheen Fatma
A number of 5-oxo-1-phenyl-4-(substituted methyl) pyrrolidine-3-carboxylic acid derivatives bearing pyrrolidine ring and methylamino residues in their structure were synthesized as potential antibacterial drugs. The chemical structures of all the compounds were established by their UV-Vis absorption spectroscopy, IR, 1 H, 13 C NMR and mass spectroscopy. The in vitro antibacterial screening of all novel compounds was done against gram-positive Staphylococcus aureus, Bacillus subtilis and gram-negative Pseudomonas aeruginosa...
September 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30189461/phenyl-alanine-tyrosine-amino-acids-coated-magnetic-nanoparticles-preparation-and-toxicity-study
#8
Hamed Nosrati, Hossein Hamzehei, Saeed Afroogh, Seyedeh Fatemeh Ashabi, Elahe Attari, Hamidreza Kheiri Manjili
In this study we reported the synthesis of L-phenyl alanine (Phe) & L-tyrosine (Tyr) Natural Amino acids coated iron oxide magnetic nanoparticles under one-pot and in situ reaction. Functionalized iron oxide magnetic nanoparticles were characterized by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), Vibrating Sample Magnetometer (VSM), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM) techniques...
September 6, 2018: Drug Research
https://www.readbyqxmd.com/read/30189460/the-role-of-mangiferin-in-the-prevention-of-experimentally-induced-iron-overload-in-an-animal-model
#9
Ari Estuningtyas, Rianto Setiabudy, Pustika Amalia Wahidiyat, Hans-Joachim Freisleben
BACKGROUND: The leaves, fruit peels, and bark of mango trees (Mangifera indica L) contain mangiferin as an active compound with known anti-oxidative and iron chelating properties. This study aims to evaluate the benefits of mangiferin in the management of iron overload. METHODS: Thirty rats were divided into five groups: normal control, rats with iron overload, and rats with iron overload treated with oral mangiferin doses of 50, 100, or 200 mg/kg BW, respectively...
September 6, 2018: Drug Research
https://www.readbyqxmd.com/read/30189459/duration-of-a-brown-like-phenotype-of-white-adipose-tissue-induced-by-the-%C3%AE-3-agonist-cl-316-243
#10
Wojciech Danysz, Kang Jinlai, Fugang Li
"Browning" i. e. the transformation of white adipose tissue into brown-like adipose tissue could induce efficient burning of excess fat reserves via induction of non-shivering thermogenesis. For example, activation of ß3 adrenergic receptors has been show to induce such changes, however, it is still not clear, how long after termination of such a treatment, beneficial effects might be maintained. To address this question, we treated rats s.c. for 2 weeks with the ß3 agonist CL-316,243 at 1 mg/kg and assessed interscapular brown fat and inguinal white fat pads weight, UCP-1 (a marker for the brown-like fat phenotype) using immunohistochemistry and H&E staining, at different intervals after treatment termination...
September 6, 2018: Drug Research
https://www.readbyqxmd.com/read/30142632/correction-in-vivo-evaluation-of-anti-hyperglycemic-anti-hyperlipidemic-and-anti-oxidant-status-of-liver-and-kidney-of-thymol-in-stz-induced-diabetic-rats
#11
Bijan Ghorbanpour Oskouei, Soheil Abbaspour-Ravasjani, Seyed Jamal Musavinejad, Seyed Ahmad Salehzadeh, Alireza Abdolhosseinzadeh, Hamed Hamishehkar, Kazem Ghahremanzadeh, Behrooz Shokouhi
No abstract text is available yet for this article.
August 24, 2018: Drug Research
https://www.readbyqxmd.com/read/30134445/anti-herpes-simplex-virus-type-1-activity-of-specially-selected-groups-of-tannins
#12
Neli Vilhelmova-Ilieva, Rémi Jacquet, Denis Deffieux, Laurent Pouységu, Tahiri Sylla, Stefan Chassaing, Ivanka Nikolova, Stéphane Quideau, Angel S Galabov
Anti-herpes simplex virus (HSV-1) activity of 9 ellagitannins, including 6 natural compounds (castalin, vescalin, acutissimin A, epiacutissimins A and B, mongolicain) and 3 vescalagin synthetic derivatives (VgSBuSH, VgSOctSH, VgOMe), and 13 gallotannin-type compounds [Gal-01A, Gal-01B, Gal-02A, Gal-02B, Gal-03M, Gal-04A, Gal-04B, Gal-05M, Gal-07, Gal-08, Gal-09, Gal-11M (tannic acid), as well as Gal-12 (gallic acid), Gal-13 and Gal-14 (ellagic acid)] were examined in MDBK monolayer cell culture. Their antiviral activity was determined by the cytopathic effect (CPE) inhibition test and their cytotoxicity was evaluated through the neutral red uptake assay...
August 22, 2018: Drug Research
https://www.readbyqxmd.com/read/30103218/in-vivo-evaluation-of-anti-hyperglycemic-anti-hyperlipidemic-and-anti-oxidant-status-of-liver-and-kidney-of-thymol-in-stz-induced-diabetic-rats
#13
Bijan Ghorbanpour Oskouei, Soheil Abbaspour-Ravasjani, Seyed Jamal Musavinejad, Seyed Ahmad Salehzadeh, Alireza Abdolhosseinzadeh, Hamed Hamishehkar, Kazem Ghahremanzadeh, Behrooz Shokouhi
AIM: The evaluation of the positive and protective effects thymol as a natural compound on the STZ -induced diabetic rats. MATERIALS AND METHODS: In this study, seven groups of the streptozotocin induced diabetic and normal rats (overall 42 males) were tested through various biochemical and histopathological factors such as: serum glucose, insulin, creatinine, lipids, lipoproteins, liver function-related enzymes, and antioxidant status in liver and kidney. RESULTS: The obtained results in this work indicated that thymol had a significant anti-hypoglycemic, anti-hypolipidemic activities on the STZ-induced diabetic rats...
August 13, 2018: Drug Research
https://www.readbyqxmd.com/read/30103217/alterations-in-pharmacokinetics-of-orally-administered-carbamazepine-in-rats-treated-with-sodium-alginate-possible-interaction-between-therapeutic-drugs-and-semi-solid-enteral-nutrients
#14
Katsuhito Nagai, Sachiko Omotani, Akihiko Ito, Ikumi Nishimura, Yasutoshi Hatsuda, Junji Mukai, Hitomi Teramachi, Michiaki Myotoku
OBJECTIVE: The use of enteral nutrients plays an extremely important role in accurate nutrition management. Sodium alginate (SA) is frequently used for the semi-solidification of enteral nutrients. In the present study, we investigated whether the pharmacokinetic profile of orally administered carbamazepine (CBZ) is altered by a treatment with SA immediately before and after dosing of the drug. Furthermore, the adsorption effects of SA on CBZ were examined using an in vitro analysis. METHOD: SA was orally administered to rats just before and immediately after CBZ dosing...
August 13, 2018: Drug Research
https://www.readbyqxmd.com/read/30103216/effect-of-renal-impairment-on-the-pharmacokinetics-and-pharmacodynamics-of-tofogliflozin-a-selective-sglt2-inhibitor-in-patients-with-type-2-diabetes-mellitus
#15
Sachiya Ikeda, Yasuki Takano, Dietmar Schwab, Agnes Portron, Nahoko Kasahara-Ito, Tomohisa Saito, Satofumi Iida
PURPOSE: Tofogliflozin is an orally available selective inhibitor of sodium-glucose co-transporter 2 for treatment of type 2 diabetes mellitus (T2DM). Two studies were conducted to evaluate the effect of renal impairment on pharmacokinetics and pharmacodynamics of tofogliflozin. METHODS: The studies were: 1) single dose study in T2DM patients with normal renal function and mild, moderate and severe renal impairment, and 2) multiple dose study for 24 weeks in T2DM patients with normal renal function and moderate renal impairment...
August 13, 2018: Drug Research
https://www.readbyqxmd.com/read/30103215/oleic-acid-increases-uptake-and-decreases-the-p-gp-mediated-efflux-of-the-veterinary-anthelmintic-ivermectin
#16
Bilal Houshaymi, Nadine Nasreddine, Mamdouh Kedees, Zeina Soayfane
The bioavailability of ivermectin is modulated by lipid-based formulations and membrane efflux transporters such as Breast Cancer Resistance Protein and P-glycoprotein (BCRP and P-gp). We have investigated the effect of oleic acid on the uptake of ivermectin in vitro using Caco-2 cells and in vivo in the intestines of wild-type mice. Complex micelles (M) with oleic acid induced a significant increase (e. g. for M3 was 7-fold, p≤0.001) in the uptake of the drug in a time-dependent manner with no involvement of cholesterol in the mechanism...
August 13, 2018: Drug Research
https://www.readbyqxmd.com/read/30086568/optimization-of-olive-oil-based-nanoemulsion-preparation-for-intravenous-drug-delivery
#17
Zahra Karami, Maryam Khoshkam, Mehrdad Hamidi
A seven-factor Box-Behnken design was used for the optimized development of an olive oil-based nanoemulsion (NE) intended for intravenous drug delivery. The independent variables of olive oil concentration, tween 80 concentration, span 80 concentration, rate of adding of oil in aqueous phase, homogenization speed, homogenization time, and preparation temperature, were used as inputs of the factorial design. The response variables were mean droplet diameter, zeta potential (ZP), and polydispersity index (PDI)...
August 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30086567/synthesis-antioxidant-and-in-silico-studies-of-potent-urease-inhibitors-n-4-4-methoxyphenethyl-substituted-amino-sulfonyl-phenyl-acetamides
#18
Muhammad Athar Abbasi, Hussain Raza, Aziz Ur Rehman, Sahahat Zahra Siddiqui, Majid Nazir, Ayesha Mumtaz, Syed Adnan Ali Shah, Sung-Yum Seo, Mubashir Hassan
In this study, a new series of sulfonamides derivatives was synthesized and their inhibitory effects on DPPH and jack bean urease were evaluated. The in silico studies were also applied to ascertain the interactions of these molecules with active site of the enzyme. Synthesis was initiated by the nucleophilic substitution reaction of 2-(4-methoxyphenyl)-1-ethanamine (1: ) with 4-(acetylamino)benzenesulfonyl chloride (2): in aqueous sodium carbonate at pH 9. Precipitates collected were washed and dried to obtain the parent molecule, N-(4-{[(4-methoxyphenethyl)amino]sulfonyl}phenyl)acetamide (3): ...
August 7, 2018: Drug Research
https://www.readbyqxmd.com/read/30081409/acute-boldine-treatment-induces-anti-convulsant-effects-in-mice-through-its-antioxidant-activity
#19
Leila Moezi, Siranoush Yahosseini, Akram Jamshizadeh, Fateme Pirsalami
Boldine is a natural antioxidant that exhibits some important pharmacological properties, which is due to its free radical scavenging effects. And at the same time, reactive oxygen species (ROS) has an important role in pathogenesis of seizure; hence, reducing it via antioxidants like boldine seems to be effective in treating seizure. This study was designed to investigate whether acute treatment with boldine could alter seizures induced by pentylenetetrazole or electroshock in mice. We also evaluated to see if boldine's antioxidant properties play a role in its anti-convulsant activity...
August 6, 2018: Drug Research
https://www.readbyqxmd.com/read/30075482/investigation-of-antidepressant-anxiolytic-and-sedative-activities-of-the-aqueous-leaf-extract-of-musa-sapientum-linn-banana-musaceae
#20
Olanrewaju A Salako, Abidemi J Akindele, Aishat O Balogun, Olufunmilayo O Adeyemi
BACKGROUND: Musa sapientum Linn. (Musaceae) is used in traditional African medicine in the management of mental disorders. This study was conducted to evaluate the central nervous system activities of the aqueous leaf extract of M. sapientum (MS) . MATERIALS AND METHODS: MS (50, 100 and 200 mg/kg, p.o .) was administered to separate groups of mice 1 h before behavioural studies. The antidepressant effect was studied using the forced swimming test (FST) and tail suspension test (TST) while the elevated plus maze (EPM) and the hole-board tests were used to evaluate the anxiolytic effect...
August 3, 2018: Drug Research
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