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https://www.readbyqxmd.com/read/28102474/anti-amnestic-effect-of-curcumin-in-combination-with-donepezil-an-anticholinesterase-drug-involvement-of-cholinergic-system
#1
Ayodele Jacob Akinyemi, Ganiyu Oboh, Sunday Idowu Oyeleye, Opeyemi Ogunsuyi
Recently, combination therapy involving cholinesterase (ChE) inhibitor with other neuroprotective agents has shown better desirable effect in the management/prevention of dementia but limited information is available on their effect with dietary polyphenols. Hence, this study sought to assess the combined pretreatment effect of curcumin, the major polyphenolic compound of turmeric (Curcuma longa) rhizomes, with donepezil, a cholinesterase inhibitor, on cognitive function in scopolamine-induced memory impairment in rats...
January 19, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28102089/disulfiram-moderately-restores-impaired-hepatic-redox-status-of-rats-subchronically-exposed-to-cadmium
#2
Aida Begic, Ana Djuric, Milica Ninkovic, Ivana Stevanovic, Dragan Djurdjevic, Milos Pavlovic, Katarina Jelic, Ana Pantelic, Goran Zebic, Bratislav Dejanovic, Ivan Stanojevic, Danilo Vojvodic, Petar Milosavljevic, Mirjana Djukic, Luciano Saso
Examination of cadmium (Cd) toxicity and disulfiram (DSF) effect on liver was focused on oxidative stress (OS), bioelements status, morphological and functional changes. Male Wistar rats were intraperitoneally treated with 1 mg CdCl2/kg BW/day; orally with 178.5 mg DSF/kg BW/day for 1, 3, 10 and 21 days; and co-exposed from 22nd to 42nd day. The co-exposure nearly restored previously suppressed total superoxide dismutase (SOD), catalase (CAT) and increased glutathione peroxidase (GPx) activities; increased previously reduced glutathione reductase (GR) and total glutathione-S-transferase (GST) activities; reduced previously increased superoxide anion radical (O2(·-)) and malondialdehyde (MDA) levels; increased zinc (Zn) and iron (Fe), and decreased copper (Cu) (yet above control value), while magnesium (Mg) was not affected; and decreased serum alanine aminotransferases (ALT) levels...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28101988/toxicity-assessment-of-zero-valent-iron-nanoparticles-on-artemia-salina
#3
Deepak Kumar, Rajdeep Roy, Abhinav Parashar, Ashok M Raichur, Natarajan Chandrasekaran, Anita Mukherjee, Amitava Mukherjee
The present study deals with the toxicity assessment of two differently synthesized zero valent iron nanoparticles (nZVI, chemical and biological) as well as Fe(2+) ions on Artemia salina at three different initial concentrations of 1, 10, and 100 mg/L of these particles. The assessment was done till 96 h at time intervals of 24 h. EC50 value was calculated to evaluate the 50% mortality of Artemia salina at all exposure time durations. Between chemically and biologically synthesized nZVI nanoparticles, insignificant differences in the level of mortality were demonstrated...
January 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28101628/rho-kinase-inhibitor-fasudil-mitigates-high-cholesterol-diet-induced-hypercholesterolemia-and-vascular-damage
#4
Nibrass Taher Abdali, Awny H Yaseen, Eman Said, Tarek M Ibrahim
The current study was designed to investigate the potential beneficial therapeutic outcome of Rho kinase inhibitor (fasudil) against hypercholesterolemia-induced myocardial and vascular injury in rabbits together with diet modification. Sixteen male rabbits were randomly divided into four groups: normal control group which received standard rabbit chow, hypercholesterolemic control group, and treated groups which received cholesterol-rich rabbit chow (1.5% cholesterol) for 8 weeks. Treated groups received either fasudil (100 mg/kg/day) or rosuvastatin (2...
January 18, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28101460/captopril-and-valsartan-may-improve-cognitive-function-through-potentiation-of-the-brain-antioxidant-defense-system-and-attenuation-of-oxidative-nitrosative-damage-in-stz-induced-dementia-in-rat
#5
Yasaman Arjmand Abbassi, Mohammad Taghi Mohammadi, Mahsa Sarami Foroshani, Javad Raouf Sarshoori
Purpose: Previous findings have shown the crucial roles of brain renin-angiotensin system (RAS) in pathogenesis of Alzheimer's disease (AD). Since RAS inhibitors may have beneficial effects on dementia and cognitive function in elderly people, the aim of present study was to examine the neuroprotective actions of captopril and valsartan on memory function and neuronal damage in experimental model of AD. Methods: Adult forty male Wistar rats (220-280g) were randomly divided into 5 groups; Control, Vehicle, Alzheimer and treatment groups...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101235/protective-effect-of-selenium-against-cisplatin-induced-nasopharyngeal-cancer-in-male-albino-rats
#6
Kan Zhu, Lei Jiang, Yun Chu, Yong-Sheng Zhang
The present study evaluated the protective effect of selenium against cisplatin-induced nasopharyngeal cancer in the cardiac tissue of adult rats. Male Wistar rats were divided into 4 groups of 6 rats each. Different combinations of selenium and cisplatin were administered for 45 days, following which the animals were sacrificed and the nasopharyngeal tissue was surgically removed. Lipid peroxidation, reduced glutathione, and the antioxidant enzymes superoxide dismutase (SOD), catalase and lactate dehydrogenase (LDH) were measured...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101183/protective-effect-of-berberine-against-oxidative-stress-induced-apoptosis-in-rat-bone-marrow-derived-mesenchymal-stem-cells
#7
Wangyang Li, Yamei Liu, Bin Wang, Yiwen Luo, Nianhong Hu, Dongfeng Chen, Xunchao Zhang, Yunpu Xiong
Bone marrow-derived mesenchymal stem cells (BMSCs) have the potential to be used for the treatment of delayed union, nonunion or persistent bone defects in MSC-based cell therapy. However, implantation of BMSCs into the fracture site is confronted with apoptosis on account of harsh conditions and oxidative stress. In the present study, the anti-apoptotic effects of berberine (BBR) on BMSCs subjected to hydrogen peroxide (H2O2) are investigated, and the potential underlying mechanisms are explored. Oxidative injury was induced by exposure to H2O2, and cell viability was assessed using a cell counting kit-8 assay...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100959/hydrogen-rich-saline-attenuates-eosinophil-activation-in-a-guinea-pig-model-of-allergic-rhinitis-via-reducing-oxidative-stress
#8
Shaoqing Yu, Chuanliang Zhao, Na Che, Lin Jing, Rongming Ge
BACKGROUND: It is well considered that reactive oxygen species (ROS) plays a prominent causative role in the development of allergic rhinitis (AR), and eosinophils cells as important allergic inflammatory cells contribute to elevating oxidative stress. Hydrogen, emerging as a novel antioxidant, has been proven effective in selectively reducing ROS in animals models of oxidative damage. We herein aim to verify protective effects of hydrogen on eosinophils cells in guinea pigs models of AR...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28100851/effects-of-propofol-on-oxidative-stress-parameters-in-selected-parts-of-the-brain-in-a-rat-model-of-parkinson-disease
#9
Ewa Romuk, Wioletta Szczurek, Przemysław Nowak, Marta Skowron, Bernard Prudel, Edyta Hudziec, Ewa Chwalińska, Ewa Birkner
INTRODUCTION: Propofol is an intravenous sedative-hypnotic agent that is commonly used to induce and maintain general anaesthesia. This drug has antioxidant properties, which are partly caused by a phenolic structure similar to α-tocopherol. The present study aimed to evaluate the effect of propofol on the level of oxidative stress biomarkers in the frontal cortex, striatum, thalamus, hippocampus and cerebellum in rats with experimental Parkinson's disease (PD). MATERIAL/METHODS: The experiment was performed on 24 male Wistar rats assigned to the following groups: 1 - control; 2 - PD; 3 - PD with propofol...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100077/effects-of-m2000-d-mannuronic-acid-on-learning-memory-retrieval-and-associated-determinants-in-a-rat-model-of-alzheimer-s-disease
#10
Somayeh Athari Nik Azm, Mohammadreza Vafa, Mohammad Sharifzadeh, Majid Safa, Anis Barati, Abbas Mirshafiey
The d-mannuronic acid (M2000) is a novel nonsteroidal anti-inflammatory drug that has immunosuppressive effects together with antioxidant property. M2000 has shown a notable efficacy in experimental models of multiple sclerosis, rheumatoid arthritis, and nephrotic syndrome. In this work, the effect of M2000 on the treatment of Alzheimer's disease (AD) was performed by Morris water maze experiment, and the immunological assessments were carried out by Western blot, apoptosis (procaspase-3, Bax/Bcl2, P53), enzymatic (superoxide dismutase [SOD]), and nonenzymatic oxidative stress (malondialdehyde [MDA]) tests...
February 2017: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/28100069/the-effect-of-n-acetylcysteine-supplementation-on-serum-homocysteine-levels-and-hepatic-and-renal-oxidative-stress-in-homocysteine-thiolactone-treated-rats
#11
Gamze Kondakçı, A Fatih Aydın, Semra Doğru-Abbasoğlu, Müjdat Uysal
The effect of N-acetylcysteine (NAC) (1 g/kg body weight/day) on serum homocysteine (Hcy) levels, insulin resistance (IR), and hepatic and renal prooxidant-antioxidant balance was evaluated in rats treated with homocysteine thiolactone (HcyT) (500 mg/kg body weight/day for 6 weeks). Reactive oxygen species (ROS), malondialdehyde (MDA), glutathione, ferric reducing antioxidant power, and superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities were determined in the liver and kidney. HcyT elevated serum Hcy levels and caused IR, but liver and kidney function tests remained unchanged...
January 19, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28099583/swimming-training-prevents-coronary-endothelial-dysfunction-in-ovariectomized-spontaneously-hypertensive-rats
#12
E R G Claudio, S A Almeida, V Mengal, G A Brasil, C H Santuzzi, R V Tiradentes, S A Gouvea, N S Bissoli, R L Santos, G R Abreu
Estrogen deficiency and hypertension are considered major risk factors for the development of coronary heart disease. On the other hand, exercise training is considered an effective form to prevent and treat cardiovascular diseases. However, the effects of swimming training (SW) on coronary vascular reactivity in female ovariectomized hypertensive rats are not known. We aimed to evaluate the effects of SW on endothelium-dependent coronary vasodilation in ovariectomized hypertensive rats. Three-month old spontaneously hypertensive rats (SHR, n=50) were divided into four groups: sham (SH), sham plus swimming training (SSW), ovariectomized (OVX), and ovariectomized plus swimming training (OSW)...
January 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28099346/liuwei-dihuang-pill-treats-diabetic-nephropathy-in-rats-by-inhibiting-of-tgf-%C3%AE-smads-mapk-and-nf-kb-and-upregulating-expression-of-cytoglobin-in-renal-tissues
#13
Zhong Ju Xu, Shi Shu, Zhi Jie Li, Yu Min Liu, Rui Yi Zhang, Yue Zhang
Liuwei Dihuang pill (LDP) was assessed for its effects on renal deficiency.90 STZ induced DN rats were divided into groups (n = 22) without treatment (STZ) and LDP treated (STZ-L) (n = 23), Zhenwu decoction treated (STZ-Z) (n = 22), and valsartan treated (STZ-V) (n = 23) groups, with 16 normal control rats. Total urine protein (TP), blood urea nitrogen (BUN), and serum creatinine (Cr) were measured. Superoxide dismutase (SOD), nitric oxide synthase (NOS), and malondialdehyde (MDA) concentrations as well as expression/phosphorylation of SMAD3, SMAD2, and α-SMA, TGF-β, RI /II, P38, ERK, and NF-kB in renal tissues were determined...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28097908/common-and-specific-genes-and-peripheral-biomarkers-in-children-and-adults-with-attention-deficit-hyperactivity-disorder
#14
Cristian Bonvicini, Stephen V Faraone, Catia Scassellati
OBJECTIVES: Elucidating the biological mechanisms involved in Attention-deficit/hyperactivity disorder (ADHD) has been challenging. Relatively unexplored is the fact that these mechanisms can differ with age. METHODS: We present an overview on the major differences between children and adults with ADHD, describing several studies from genomics to metabolomics performed in ADHD children and in adults. A systematic search (up until February, 2016) was conducted. RESULTS: From a PRISMA flow-chart, a total of eligibility 350 studies from genomics and metabolomics were found for cADHD and 91 for aADHD...
January 18, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28097518/beneficial-effects-of-ozone-therapy-on-oxidative-stress-cardiac-functions-and-clinical-findings-in-patients-with-heart-failure-reduced-ejection-fraction
#15
Mutlu Buyuklu, Fatih Mehmet Kandemir, Turan Set, Eftal Murat Bakırcı, Husnu Degirmenci, Hikmet Hamur, Ergun Topal, Sefa Kucukler, Kultigin Turkmen
The aim of study was to determine the effects of ozone therapy on the oxidative stress, cardiac functions and clinical findings in patients with heart failure reduced ejection fraction (HFrEF). A total of 40 patients with New York Heart Association 2 and 3 HF with left ventricular ejection fraction (LVEF) <35%, and 40 subjects without HF as control group were included in the study. Patients with HFrEF were given additional ozone therapy of major and minor administrations along with conventional HF treatment for 5 weeks...
January 17, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28097484/different-physiobiochemical-and-transcriptomic-reactions-of-rice-oryza-sativa-l-cultivars-differing-in-terms-of-salt-sensitivity-under-salinity-stress
#16
Mojtaba Kordrostami, Babak Rabiei, Hassan Hassani Kumleh
Salinity stress is the most important and common environmental stresses throughout the world, including Iran. The aim of this study was to investigate the expression of several important genes involved in the salinity tolerance of the rice cultivars differing in salt sensitivity. In this research, the expression of four mitochondrial genes, H2O2, malondialdehyde (MDA), proline, sodium, potassium and superoxide dismutase (SOD), was measured in Iranian rice cultivars and two well-known international varieties as checks in response to 100 mM salt stress...
January 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28097483/phytoremediation-of-fluoride-with-garden-ornamentals-nerium-oleander-portulaca-oleracea-and-pogonatherum-crinitum
#17
Rahul V Khandare, Shaileshkumar B Desai, Sourabh S Bhujbal, Anuprita D Watharkar, Shivtej P Biradar, Pankaj K Pawar, Sanjay P Govindwar
Nursery grown plants of Nerium oleander, Pogonatherum crinitum, and Portulaca oleracea were observed to remove fluoride up to 92, 80, and 73%, respectively, from NaF solution at the concentration of 10 mg L(-1) within 15 days. Concentration range of 10-50 mg L(-1) of fluoride revealed a constant decrease of removal from 92 to 51% within 15 days by N. oleander, while the biomass (one to five plants) showed enhancement in removal from 74 to 98% in 10 days. Translocation and bioaccumulation factors calculated after fluoride contents in roots and leaves of N...
January 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28095910/profile-of-bioactive-compounds-in-nymphaea-alba-l-leaves-growing-in-egypt-hepatoprotective-antioxidant-and-anti-inflammatory-activity
#18
Riham Omar Bakr, Mona Mohamed El-Naa, Soumaya Saad Zaghloul, Mahmoud Mohamed Omar
BACKGROUND: Nymphaea alba L. represents an interesting field of study. Flowers have antioxidant and hepatoprotective effects, rhizomes constituents showed cytotoxic activity against liver cell carcinoma, while several Nymphaea species have been reported for their hepatoprotective effects. Leaves of N. alba have not been studied before. Therefore, in this study, in-depth characterization of the leaf phytoconstituents as well as its antioxidant and hepatoprotective activities have been performed where N...
January 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28095372/impaired-mitochondrial-respiration-in-large-cerebral-arteries-of-rats-with-type-2-diabetes
#19
Ivan Merdzo, Ibolya Rutkai, Venkata N L R Sure, Catherine A McNulty, Prasad V G Katakam, David W Busija
Mitochondrial dysfunction has been suggested as a potential underlying cause of pathological conditions associated with type 2 diabetes (T2DM). We have previously shown that mitochondrial respiration and mitochondrial protein levels were similar in the large cerebral arteries of insulin-resistant Zucker obese rats and their lean controls. In this study, we extend our investigations into the mitochondrial dynamics of the cerebral vasculature of 14-week-old Zucker diabetic fatty obese (ZDFO) rats with early T2DM...
January 18, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28095363/curcumin-confers-neuroprotection-against-alcohol-induced-hippocampal-neurodegeneration-via-creb-bdnf-pathway-in-rats
#20
Majid Motaghinejad, Manijeh Motevalian, Sulail Fatima, Hajar Hashemi, Mina Gholami
BACKGROUND: Alcohol abuse causes severe damage to the brain neurons. Studies have reported the neuroprotective effects of curcumin against alcohol-induced neurodegeneration. However, the precise mechanism of action remains unclear. METHODS: Seventy rats were equally divided into 7 groups (10 rats per group). Group 1 received normal saline (0.7ml/rat) and group 2 received alcohol (2g/kg/day) for 21days. Groups 3, 4, 5 and 6 concurrently received alcohol (2g/kg/day) and curcumin (10, 20, 40 and 60mg/kg, respectively) for 21days...
January 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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