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https://www.readbyqxmd.com/read/28931163/influence-of-quercetin-in-the-temporal-regulation-of-redox-homeostasis-in-drosophila-melanogaster
#1
Perumal Subramanian, Kanimozhi Kaliyamoorthy, Jaime Jacqueline Jayapalan, Puteri Shafinaz Abdul-Rahman, Onn Haji Hashim
Numerous biological processes are governed by the biological clock. Studies using Drosophila melanogaster (L.) are valuable that could be of importance for their effective applications on rodent studies. In this study, the beneficial role of quercetin (a flavonoid) on H2O2 induced stress in D. melanogaster was investigated. D. melanogaster flies were divided into four groups (group I - control, group II - H2O2 (acute exposure), group III - quercetin, and group IV - quercetin + H2O2 treated). Negative geotaxis assay, oxidative stress indicators (protein carbonyls, thiobarbituric reactive substances [TBARS]), and antioxidants (superoxide dismutase [SOD], catalase [CAT], glutathione-S-transferase [GST], glutathione peroxidase, and reduced glutathione [GSH]) were measured at 4 h intervals over 24 h and temporal expression of heat shock protein-70 (Hsp70), Upd1 (homolog of IL-6 in Drosophila), and nitric oxide synthase (Nos) was analyzed by Western blotting...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28930874/the-effectiveness-of-fish-oil-supplementation-in-attenuating-exercise-induced-muscle-damage-in-females-during-mid-follicular-and-mid-luteal-menstrual-phases
#2
Sarah K McKinley-Barnard, Thomas L Andre, Josh J Gann, Paul S Hwang, Darryn S Willoughby
The purpose of this study was to determine if the differences in estrogen levels during the female menstrual cycle and fish oil supplementation would attenuate eccentric exercise-induced muscle damage (EIMD) and delayed onset muscle soreness (DOMS). In a double-blind fashion, 22 physically-active females (20.9 ± 1.4 years, 63.5 ± 9.0 kg, 165.2 ± 7.5 cm) were randomly assigned to ingest either 6 grams of fish oil (n = 11) or placebo (n = 11) daily for 21 days. Participants underwent an eccentric exercise bout of the knee extensors on two occasions during the mid-follicular (MF) and mid-luteal (ML) phases of the 28-day menstrual cycle...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28929270/mode-of-treatment-governs-curcumin-response-on-doxorubicin-induced-toxicity-in-cardiomyoblasts
#3
Aditi Jain, Vibha Rani
Doxorubicin (Dox) is an effective anti-cancer drug with severe reported cardiotoxicity. Cardiovascular risks associated with present cancer therapeutics demand urgent attention. There has been a growing interest in naturally occurring compounds to improve the therapeutic index as well as prevent non-tumour tissues from sustaining chemotherapy-induced damages. In the present study, the effects of curcumin, a polyphenol isolated from Curcuma longa and well known for its anti-oxidative, anti-cancerous and anti-inflammatory properties, was studied in relation to the Dox-induced cardiotoxicity...
September 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28929115/anti-gouty-arthritis-and-antihyperuricemia-effects-of-sunflower-helianthus-annuus-head-extract-in-gouty-and-hyperuricemia-animal-models
#4
Lanzhou Li, Meiyu Teng, Yange Liu, Yidi Qu, Yuanzhu Zhang, Feng Lin, Di Wang
This study was performed to investigate the therapeutic effects and possible mechanisms of sunflower (Helianthus annuus) head extract (SHE) on gout. First, the components of sunflower head powder and SHE were analyzed systematically. SHE, especially SHEB (extracted with 20% ethanol and 80% double-distilled water), strongly suppressed the swelling of the ankles in rats with acute gout induced by monosodium urate (MSU) crystals and reduced the levels of uric acid and xanthine oxidase (XO) in mice with hyperuricemia induced by oteracil potassium and yeast extract powder...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28929088/microbial-invasion-vs-tick-immune-regulation
#5
REVIEW
Daniel E Sonenshine, Kevin R Macaluso
Ticks transmit a greater variety of pathogenic agents that cause disease in humans and animals than any other haematophagous arthropod, including Lyme disease, Rocky Mountain spotted fever, human granulocytic anaplasmosis, babesiosis, tick-borne encephalitis, Crimean Congo haemorhagic fever, and many others (Gulia-Nuss et al., 2016). Although diverse explanations have been proposed to explain their remarkable vectorial capacity, among the most important are their blood feeding habit, their long term off-host survival, the diverse array of bioactive molecules that disrupt the host's natural hemostatic mechanisms, facilitate blood flow, pain inhibitors, and minimize inflammation to prevent immune rejection (Hajdušek et al...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28928800/weikangning-therapy-in-functional-dyspepsia-and-the-protective-role-of-nrf2
#6
Yujuan Chang, Wei Wei, Li Tong, Yanjun Liu, Aimin Zhou, Jiande Chen, Ruhan Wei, Ping Zhang, Xiaolan Su
Functional dyspepsia (FD) is a non-organic gastrointestinal disorder that has a marked negative impact on quality of life. Compared with conventional pharmacological therapies, the traditional Chinese medicine weikangning (WKN) is a safe and effective treatment for FD. The present study aimed to determine the molecular mechanisms underlying the efficacy of WKN. The effect of different concentrations of WKN on the proliferation of the human gastric mucosal epithelial cell line GES-1 was assessed. The optimal WKN concentration to promote cell proliferation was determined, and this concentration was used to examine the effect of WKN compared with a domperidone-treated positive control group on the antioxidant capacity of GES-1 cells...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28928081/microrna-140-5p-attenuated-oxidative-stress-in-cisplatin-induced-acute-kidney-injury-by-activating-nrf2-are-pathway-through-a-keap1-independent-mechanism
#7
Weitang Liao, Zongjie Fu, Yanfang Zou, Dan Wen, Hongkun Ma, Fangfang Zhou, Yongxi Chen, Mingjun Zhang, Wen Zhang
Oxidative stress was predominantly involved in the pathogenesis of acute kidney injury (AKI). Recent studies had reported the protective role of specific microRNAs (miRNAs) against oxidative stress. Hence, we investigated the levels of miR140-5p and its functional role in the pathogenesis of Cisplatin induced AKI. A mice Cisplatin induced-AKI model was established. We found that miR-140-5p expression was markedly increased in mice kidney. Bioinformatics analysis revealed nuclear factor erythroid 2-related factor (Nrf2) was a potential target of miR-140-5p, We demonstrated that miR-140-5p did not affect Kelch-like ECH-associated protein 1 (Keap1) levels but directly targeted the 3'-UTR of Nrf2 mRNA and played a positive role in the regulation of Nrf2 expression which was comfirmed by luciferase activity assay and western blot...
September 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28928060/rosemary-rosmarinus-officinalis-essential-oil-components-exhibit-anti-hyperglycemic-anti-hyperlipidemic-and-antioxidant-effects-in-experimental-diabetes
#8
Slimen Selmi, Kais Rtibi, Dhekra Grami, Hichem Sebai, Lamjed Marzouki
INTRODUCTION: The present study aims to investigate the protective effects of Rosemary (Rosmarinus officinalis L.) essential oils (ROEO) against alloxan-induced diabetes and oxidative stress in rats. METHODS: The animals were divided into four groups: Healthy Control (HC); Diabetic Control (DC); Healthy+ROEO (H+ROEO) and Diabetic+ROEO (D+ROEO). RESULTS: The use of GC/MS technique has allowed us to identify fifteen compounds in ROEO. We have found that alloxan administration induced hyperglycaemia, lipid metabolic parameters deregulation as well as liver and kidney dysfunctions...
September 14, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28927798/effect-of-charcoal-dextran-stripped-fetal-bovine-serum-on-in-vitro-development-of-bovine-embryos
#9
Ayman Mesalam, Rami Kong, Imran Khan, Mmr Chowdhury, Byung-Hyun Choi, Sung Woo Kim, Kyu-Woan Cho, Jong-In Jin, Il-Keun Kong
This study investigated the ability of charcoal:dextran stripped fetal bovine serum (CDS FBS) and heat-inactivated fetal bovine serum (HI FBS) to support in vitro development of bovine embryos. The developmental ability and quality of bovine embryos were determined by assessing their cell number, lipid content, mitochondrial activity, gene expression, and cryo-tolerance. The percentage of embryos that formed a blastocyst was significantly (P<0.05) higher in medium containing CDS FBS than in medium containing HI FBS (42...
September 16, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28927471/a-vascular-endothelial-growth-factor-a-genetic-variant-is-associated-with-improved-ventricular-function-and-transplant-free-survival-after-surgery-for-non-syndromic-chd
#10
Constantine D Mavroudis, Daniel Seung Kim, Nancy Burnham, Alexandra H Morss, Jerry H Kim, Amber A Burt, David R Crosslin, Donna M McDonald-McGinn, Elaine H Zackai, Meryl S Cohen, Susan C Nicolson, Thomas L Spray, Ian B Stanaway, Deborah A Nickerson, Mark W Russell, Hakon Hakonarson, Gail P Jarvik, J William Gaynor
BACKGROUND: We have previously shown that the minor alleles of vascular endothelial growth factor A (VEGFA) single-nucleotide polymorphism rs833069 and superoxide dismutase 2 (SOD2) single-nucleotide polymorphism rs2758331 are both associated with improved transplant-free survival after surgery for CHD in infants, but the underlying mechanisms are unknown. We hypothesised that one or both of these minor alleles are associated with better systemic ventricular function, resulting in improved survival...
September 20, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28926934/the-beneficial-effects-of-allicin-in-chronic-kidney-disease-are-comparable-to-losartan
#11
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/28926854/telferia-occidentalis-and-vitamin-c-attenuate-phenylhydrazine-induced-haemolytic-anaemia-and-associated-cardio-renal-dysfunctions-via-inhibition-of-oxidative-stress-and-proapoptotic-protein-bax-expressions
#12
Temitayo Olabisi Ajibade, Ademola Adetokunbo Oyagbemi, Temidayo Olutayo Omobowale, Ebunoluwa Rachael Asenuga, Adebowale Bernard Saba
Background The study investigated the modulatory roles of the aqueous leaf extract of Telferia occidentalis, a traditional haematinic, and vitamin C on cardiovascular dysfunction associated with subchronic Phenylhydrazine exposure. Methods Fifty adult male rats were randomly selected and divided into one of five groups of ten animals each: Control; 40 mgkg(-1) Phenylhydrazine (PHZ); PHZ with 100 mgkg(-1) T.occidentalis; PHZ with 200 mgkg(-1) T.occidentalis; and PHZ with 100 mgkg(-1) vitamin C. Results Oral exposure of rats to PHZ, without T...
September 19, 2017: Drug Research
https://www.readbyqxmd.com/read/28926842/pharmacotherapy-with-thymoquinone-improved-pancreatic-%C3%AE-cell-integrity-and-functional-activity-enhanced-islets-revascularization-and-alleviated-metabolic-and-hepato-renal-disturbances-in-streptozotocin-induced-diabetes-in-rats
#13
Adel Galal El-Shemi, Osama Adnan Kensara, Aiman Alsaegh, Mohammed Hasan Mukhtar
AIMS: This study is aimed at evaluating the antidiabetic effects of thymoquinone (TQ) on streptozotocin (STZ)-induced diabetes in rats, and exploring the possible underlying mechanisms. METHODS: Diabetes was induced in adult male Wistar rats by intraperitoneal injection of freshly prepared STZ (65 mg/kg). After disease induction, 42 rats were equally assigned to: controls, STZ-diabetic group, and STZ-diabetic group treated with oral TQ (35 mg/kg/day) for 5 weeks...
September 20, 2017: Pharmacology
https://www.readbyqxmd.com/read/28926744/chronic-high-protein-diet-induces-oxidative-stress-and-alters-the-salivary-gland-function-in-rats
#14
Urszula Kołodziej, Mateusz Maciejczyk, Wiesława Niklińska, Danuta Waszkiel, Małgorzata Żendzian-Piotrowska, Piotr Żukowski, Anna Zalewska
OBJECTIVE: Chronic high protein intake leads to an increase in reactive oxygen species (ROS) generation. However, there is no data on the impact of high-protein diet on the antioxidant barrier, oxidative stress and secretory function in the salivary glands of healthy individuals. DESIGN: 16 male Wistar rats were randomly divided into 2 groups (n=8): normal protein (C) and high-protein diet (HP) for 8 weeks. Salivary antioxidants: peroxidase (Px), catalase (CAT), superoxide dismutase 1 (SOD 1), uric acid (UA), total antioxidant status (TAS), total oxidant status (TOS) and the oxidative stress index (OSI), as well as protein carbonyls (PC), 4-hydroxynonenal protein adduct (4-HNE protein adduct), 8-isoprostanes (8-isoP), 8-hydroxy-2'-deoxyguanosine (8-OHdG) and protein content were determined in the salivary glands and plasma...
September 10, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28925721/the-more-effective-treatment-of-atrial-fibrillation-applying-the-natural-compounds-as-nadph-oxidase-and-ion-channel-inhibitors
#15
Samira Barangi, A Wallace Hayes, Gholamreza Karimi
Atrial fibrillation (AF) is the most common cardiac arrhythmia that occurs because of several different risk factors, e.g., valvular heart disease, coronary artery disease, age ≥75 years, hypertension and diabetes mellitus. One key risk factor that results in AF, is oxidative stress. Evidence suggests that there is a correlation between oxidative processes and the genesis of AF. Oxidative stress occurs when the generation of reactive oxygen species (ROS) increase due to excessive activity of enzymes including NADPH oxidase (NOX) and xanthine oxidase; or its degradation decrease by dysfunctional antioxidant enzyme systems, such as superoxide dismutase (SOD), catalase and glutathione peroxidase (GPx)...
September 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28925482/microrna-509-5p-functions-as-an-anti-oncogene-in-breast-cancer-via-targeting-sod2
#16
Y-H Song, J Wang, G Nie, Y-J Chen, X Li, X Jiang, W-H Cao
OBJECTIVE: Breast cancer is one of the most common malignant tumors in women worldwide. Considering the poor therapeutic effect of breast cancer, we are supposed to dissect the functioning mode of miR-509-5p on breast cancer cell growth and metastasis, providing therapeutic targets for breast cancer. PATIENTS AND METHODS: Quantitative Real-time PCR (qRT-PCR) assay was employed to detect miR-509-5p expression level. CCK8 assay and colony formation assay were incorporated to assess cell viability and proliferation capacities...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924281/molecular-basi-of-superoxide-dismutase-alterations-in-spirometry-proven-bronchial-asthma
#17
Syed Hafeezul Hassan, Rubina Ghani, Muhammad Sarwar
OBJECTIVE: To study alterations in superoxide dismutase at molecular level in spirometry-proven bronchial asthma. METHODS: This pilot study was conducted at Baqai Medical University Hospital, Karachi, from June to December 2013, and comprised spirometry-proven asthmatics. The allele frequencies of missense polymorphisms of the exon-intron of a superoxide dismutase, copper-zinc superoxide dismutase were included in the analysis and compared with their age- and gender-matched healthy controls...
September 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28924031/cytoplasmic-copper-detoxification-in-salmonella-can-contribute-to-sodc-metalation-but-is-dispensable-during-systemic-infection
#18
Luke A Fenlon, James M Slauch
Salmonella Typhimurium is a leading cause of foodborne disease worldwide. Severe infections result from the ability of S. Typhimurium to survive within host immune cells, despite being exposed to various host antimicrobial factors. SodCI, a copper-zinc cofactored superoxide dismutase, is required to defend against phagocytic superoxide. SodCII, an additional periplasmic superoxide dismutase, although produced during infection, does not function in the host. Previous studies suggested that CueP, a periplasmic copper binding protein, facilitates acquisition of copper by SodCII...
September 18, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28923438/d-limonene-ameliorates-diabetes-and-its-complications-in-streptozotocin-induced-diabetic-rats
#19
Merve Bacanli, Hatice Gül Anlar, Sevtap Aydin, Tuğbagül Çal, Nuray Ari, Ülkü Ündeğer Bucurgat, A Ahmet Başaran, Nurşen Başaran
It is known that diabetes causes some complications including alterations in lipid profile, hepatic enzyme levels but also it causes oxidative stress. Limonene, a major component of Citrus oils, has important health beneficial effects in lowering the level of oxidative stress due to its antioxidant activity. The aim of this study was to investigate the effects of D-limonene on streptozotocin (STZ)-induced diabetes in Wistar albino rats. For this purpose, DNA damage was evaluated by alkaline comet assay. Changes in the activities of catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GR) and glutathione peroxidase (GSHPx) and the levels of 8-hydroxy-2'-deoxyguanosine (8-OHdG), total glutathione (GSH), malondialdehyde (MDA), insulin, total bilirubin and BCA protein, alanine aminotransferase (ALT), aspartate aminotransferase (AST) and gamma-glutamyl transferase (GGT), high density lipoprotein (HDL), low density lipoprotein (LDL), total cholesterol and triglyceride were also evaluated...
September 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28922729/lithium-induced-oxidative-damage-and-inflammation-in-the-rat-s-heart-protective-effect-of-grape-seed-and-skin-extract
#20
Ali Mezni, Hanène Aoua, Olfa Khazri, Ferid Limam, Ezzeddine Aouani
Lithium (Li) is a relevant mood stabilizer metal for the treatment of bipolar disorder (BD), as it protects from both depression and mania and reduces the risk of suicide. However, Lihas some clinical concerns as a narrow therapeutic index requiring routine monitoring of the serum level. The present study was designed to analyze the cardio-toxic side effect of Li and the ability of grape seed and skin extract (GSSE) to protect the heart against such toxicity. After 30days of exposure to Li (0, 2, 5 and 100mg/kg bw) and prevention with GSSE (4000mg/kg bw), rats were killed by decapitation and their heart processed for Li-induced oxidative stress...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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