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https://www.readbyqxmd.com/read/28274130/%C3%AE-tocopherol-as-functional-excipient-for-resveratrol-and-coenzyme-q10-loaded-snedds-for-improved-bioavailability-and-prophylaxis-of-breast-cancer
#1
Sanyog Jain, Tanya Garg, Varun Kushwah, Kaushik Thanki, Ashish Kumar Agrawal, Chander Parkash Dora
The present study evaluates the prophylactic efficacy of α-tocopherol (α-TOH), resveratrol (RES), and coenzyme Q10 (CoQ10) co-loaded self-nanoemulsifying drug delivery system (α-TOH-RES-CoQ10 SNEDDS) in 7,12-Dimethylbenz[a]anthracene (DMBA) induced breast cancer model. SNEDDS formulation components were rationally selected and optimized for maximum drug loading by applying the design of experiments and further evaluated for stability in simulated gastrointestinal fluids, functional stability of antioxidants, in vitro release, Caco-2 cell uptake, oral bioavailability and prophylactic anticancer activity...
March 8, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28264757/supplementation-of-sperm-media-with-zinc-d-aspartate-and-co-enzyme-q10-protects-bull-sperm-against-exogenous-oxidative-stress-and-improves-their-ability-to-support-embryo-development
#2
Vincenza Barbato, Riccardo Talevi, Sabrina Braun, Anna Merolla, Sam Sudhakaran, S Longobardi, Roberto Gualtieri
High levels of reactive oxygen species in the semen of infertile patients or spontaneously generated during in vitro sperm handling may impair sperm quality, fertilization and embryo developmental competence. We recently reported that zinc, d-aspartate and co-enzyme Q10, contained in the dietary supplement Genadis® (Merck Serono), have protective effects on human and bull sperm motility, lipid peroxidation and DNA fragmentation in vitro; furthermore, in bovine, treated spermatozoa had an improved ability to support embryo development...
March 7, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28219701/amelioratory-effect-of-coenzyme-q10-on-potential-human-carcinogen-microcystin-lr-induced-toxicity-in-mice
#3
Yaqoob Lone, Mangla Bhide, Raj Kumar Koiri
Microcystins are a group of cyclic heptapeptide toxins produced by cyanobacteria. More than 100 microcystin analogues have been detected, among which microcystin-LR is the most abundant and toxic variant. Present study was designed to reveal whether potential human carcinogen microcystin-LR could imbalance the glycolytic-oxidative-nitrosative status of heart, kidney and spleen of mice and also to explore the amelioratory effect of coenzyme Q10 on microcystin-LR induced toxicity. Microcystin-LR was administered at a dose of 10 μg/kg bw/day, ip for 14 days in male mice...
February 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28193478/metabolic-cold-adaptation-contributes-little-to-the-interspecific-variation-in-metabolic-rates-of-65-species-of-drosophilidae
#4
Branwen Messamah, Vanessa Kellermann, Hans Malte, Volker Loeschcke, Johannes Overgaard
Metabolic cold adaptation (MCA) is a controversial hypothesis suggesting that cold adapted species display an elevated metabolic rate (MR) compared to their warm climate relatives. Here we test for the presence of MCA in 65 species of drosophilid flies reared under common garden conditions. MR was measured at both 10 and 20°C for both sexes and data were analyzed in relation to the natural thermal environment of these species. We found considerable interspecific variation in MR ranging from 1.34 to 8.99µWmg(-1) at 10°C...
February 11, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28177750/modulatory-role-of-co-enzyme-q10-on-methionine-and-choline-deficient-diet-induced-non-alcoholic-steatohepatitis-nash-in-albino-rats
#5
Dalia O Saleh, Rania F Ahmed, Mohamed M Amin
The present study aimed to evaluate the hepato-protective and neuro-protective activity of Co-enzyme Q10 (CoQ10) on non-alcoholic steatohepatitis (NASH) in albino rats induced by methionine and choline-deficient (MCD) diet. Rats were fed an MCD diet for 8 weeks to induce non-alcoholic steatohepatitis. CoQ10 (10 mg/(kg·day)(-1)) was orally administered for 2 consecutive weeks. Twenty-four hours after the last dose of the drug, the behavioral test, namely the activity cage test, was performed and the activity counts were recorded...
March 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28120718/nutraceuticals-and-dietary-supplements-to-improve-quality-of-life-and-outcomes-in-heart-failure-patients
#6
Arrigo Fg Cicero, Alessandro Colletti
BACKGROUND: Heart failure (HF) is a complex clinical syndrome that can result from any structural or functional cardiac disorder that impairs the ability of the ventricle to fill or eject blood. It represents a major public health issue, with a prevalence of over 23 million worldwide. The lifetime risk of developing HF is one in five and the most important risk factors identified are ischemic heart disease, hypertension, smoking, obesity and diabetes. Preventive approaches are based on improvements of lifestyle, associated with pharmacological therapy...
January 24, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28074262/activated-microglia-induce-the-production-of-reactive-oxygen-species-and-promote-apoptosis-of-co-cultured-retinal-microvascular-pericytes
#7
Xinyi Ding, Meng Zhang, Ruiping Gu, Gezhi Xu, Haixiang Wu
PURPOSE: Pericyte apoptosis is a predominant feature of early diabetic retinopathy. In diabetic retinopathy, activated microglia migrate and release proinflammatory cytokines that contribute to disruption of the blood-retinal barrier, neuronal loss, and enhanced ROS production. Reactive oxygen species (ROS) are implicated in pericyte death; however, the mechanism by which activated microglia affect retinal microvascular pericytes is unclear. We hypothesized that activated microglia may promote pericyte apoptosis by enhancing ROS production...
January 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28058114/protective-effects-of-co-enzyme-q10-on-thioacetamide-induced-acute-liver-damage-and-its-correlation-with-behavioral-biochemical-and-pathological-factors
#8
Soheil Ashkani-Esfahani, Fereshteh Bagheri, Yasaman Emami, Elmira Esmaeilzadeh, Negar Azarpira, Nazila Hassanabadi, Marzieh Keshtkar, Mojtaba Farjam, Omid Koohi-Hosseinabadi, Ali Noorafshan
BACKGROUND: Acute liver damage may be followed by biochemical, behavioral, and pathological alterations, which can result in serious complications and even death. OBJECTIVES: In this experimental study we determined whether coenzyme Q10 (CoQ10), a common supplementary medicine known to have protective, antioxidative, and anti-inflammatory effects in cells, has any protective effect against thioacetamide (TAA)-induced liver damage and its related neurobehavioral alterations in rats...
August 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/27903511/cardiac-remodeling-and-increased-central-venous-pressure-underlie-elevated-stroke-volume-and-cardiac-output-of-seawater-acclimated-rainbow-trout
#9
Jeroen Brijs, Erik Sandblom, Esmée Dekens, Joacim Näslund, Andreas Ekström, Michael Axelsson
Substantial increases in cardiac output (CO), stroke volume (SV), and gastrointestinal blood flow are essential for euryhaline rainbow trout (Oncorhyncus mykiss) osmoregulation in seawater. However, the underlying hemodynamic mechanisms responsible for these changes are unknown. By examining a range of circulatory and cardiac morphological variables of seawater- and freshwater-acclimated rainbow trout, the present study revealed a significantly higher central venous pressure (CVP) in seawater-acclimated trout (~0...
January 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27794544/hsp70-expression-induced-by-co-enzyme-q10-protected-chicken-myocardial-cells-from-damage-and-apoptosis-under-in-vitro-heat-stress
#10
J Xu, S Tang, E Song, B Yin, D Wu, E Bao
The aim of this study was to investigate whether induction of Hsp70 expression by co-enzyme Q10 (Q10) treatment protects chicken primary myocardial cells (CPMCs) from damage and apoptosis in response to heat stress for 5 hours. Analysis of the expression and distribution of Hsp70 and the levels of the damage-related enzymes creatine kinase-MB (CK-MB) and lactate dehydrogenase (LDH), as well as pathological analysis showed that co-enzyme Q10 alleviated the damage caused to CPMCs during heat stress. Further, analysis of cell apoptosis and the expression of cleaved caspase-3 indicated that co-enzyme Q10 did have an anti-apoptotic role during heat stress...
October 28, 2016: Poultry Science
https://www.readbyqxmd.com/read/27677262/self-nanoemulsifying-drug-delivery-system-of-coenzyme-q10-with-improved-dissolution-bioavailability-and-protective-efficiency-on-liver-fibrosis
#11
Abeer Khattab, Lobna Hassanin, Nashwah Zaki
The aim of our investigation is to develop and characterize self-nanoemulsifying drug delivery systems (SNEDDS) of CoQ10 to improve its water solubility, dissolution rate, and bioavailability, and then evaluate its biochemical and physiological effect on liver cirrhosis in rats compared with CoQ10 powder. SNEDDS are isotropic and thermodynamically stable mixture of oil, surfactant, co-surfactant, and drug that form an oil/water nanoemulsion when added to aqueous phases with soft agitation. Upon administration, self-nanoemulsifying system becomes in contact with gastrointestinal fluid and forms o/w nanoemulsion by the aid of gastrointestinal motility...
September 27, 2016: AAPS PharmSciTech
https://www.readbyqxmd.com/read/27630504/comparative-evaluation-of-co-enzyme-q10-and-melaleuca-alternifolia-as-antioxidant-gels-in-treatment-of-chronic-periodontitis-a-clinical-study
#12
Chetan Purushottam Raut, Kunal S Sethi
BACKGROUND: Conventional nonsurgical periodontal therapy has been proven to be an effective treatment for patients with chronic periodontitis. Coenzyme Q10 and tea tree oil (TTO) are known to have potential therapeutic benefits in chronic periodontitis. AIMS: The aim of the study is to compare the efficacy of Coenzyme Q10 (Perio Q(®)) and tea tree oil (Melaleuca alternifolia) gel as an adjunct to scaling and root planing in the treatment of chronic periodontitis...
July 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27572719/pharmacological-treatments-for-friedreich-ataxia
#13
REVIEW
Mary Kearney, Richard W Orrell, Michael Fahey, Ruth Brassington, Massimo Pandolfo
BACKGROUND: Friedreich ataxia is a rare inherited autosomal recessive neurological disorder, characterised initially by unsteadiness in standing and walking, slowly progressing to wheelchair dependency usually in the late teens or early twenties. It is associated with slurred speech, scoliosis, and pes cavus. Heart abnormalities cause premature death in 60% of people with the disorder. There is no easily defined clinical or biochemical marker and no known treatment. This is the second update of a review first published in 2009 and previously updated in 2012...
August 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27544369/effect-of-coenzyme-q10-supplementation-on-diabetes-biomarkers-a-systematic-review-and-meta-analysis-of-randomized-controlled-clinical-trials
#14
REVIEW
Maedeh Moradi, Fahimeh Haghighatdoost, Awat Feizi, Bagher Larijani, Leila Azadbakht
BACKGROUND: Several studies have investigated the effect of Co-Q10 on diabetes biomarkers, but findings are inconsistent. This systematic review and meta-analysis of clinical trials was conducted to summarize the effect of Co-Q10 supplementation on diabetes biomarkers. METHODS: We searched Pubmed, EMBASE, Science direct, ISI web of science, and Google Scholar for randomized controlled trials from 1989 until March 2016. We included randomized controlled trials reporting fasting blood glucose (FBG), fasting insulin and HbA1c...
August 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27503149/a-sex-difference-in-oxidative-stress-and-behavioral-suppression-induced-by-ethanol-withdrawal-in-rats
#15
Marianna E Jung, Daniel B Metzger
Ethanol withdrawal (EW) is referred to the abrupt termination of long-term heavy drinking, and provokes oxidative brain damage. Here, we investigated whether the cerebellum and hippocampus of female rats are less affected by prooxidant EW than male rats due to the antioxidant effect of 17β-estradiol (E2). Female and male rats received a four-week ethanol diet and three-week withdrawal per cycle for two cycles. Some female rats were ovariectomized with E2 or antioxidant (Vitamin E+Co-Q10) treatment. Measurements were cerebellum (Rotarod) and hippocampus (water-maze)-related behaviors, oxidative markers (O2(-), malondialdehyde, protein carbonyls), mitochondrial membrane swelling, and a key mitochondrial enzyme, cytochrome c oxidase (CcO)...
November 1, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27432748/obesity-induced-oocyte-mitochondrial-defects-are-partially-prevented-and-rescued-by-supplementation-with-co-enzyme-q10-in-a-mouse-model
#16
C E Boots, A Boudoures, W Zhang, A Drury, K H Moley
STUDY QUESTION: Does supplementation with co-enzyme Q10 (CoQ10) improve the oocyte mitochondrial abnormalities associated with obesity in mice? SUMMARY ANSWER: In an obese mouse model, CoQ10 improves the mitochondrial function of oocytes. WHAT IS KNOWN ALREADY: Obesity impairs oocyte quality. Oocytes from mice fed a high-fat/high-sugar (HF/HS) diet have abnormalities in mitochondrial distribution and function and in meiotic progression. STUDY DESIGN, SIZE, DURATION: Mice were randomly assigned to a normal, chow diet or an isocaloric HF/HS diet for 12 weeks...
September 2016: Human Reproduction
https://www.readbyqxmd.com/read/27374290/is-coenzyme-q10-effective-in-protection-against-ulcerative-colitis-an-experimental-study-in-rats
#17
Mohamed Gamal Ewees, Basim Anwar Shehata Messiha, Ali Ahmed Abo-Saif, Hekma Abd El-Tawab Abd El-Latif
Coenzyme Q10 (Co-Q10) is a vitamin-like supplement which appears to be safe, with minimal side effects and low drug interaction potential. Co-Q10 is used in the treatment of a variety of disorders related primarily to suboptimal cellular energy metabolism and oxidative injury. Studies supporting the efficacy of Co-Q10 appear most promising for a variety of diseases, including ulcerative colitis (UC). The present investigation aims to elucidate the possible protective effects of Co-Q10 against UC, as induced by the administration of iodoacetamide to adult male albino rats...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27345130/elucidation-of-the-mechanism-of-atorvastatin-induced-myopathy-in-a-rat-model
#18
Samar O El-Ganainy, Ahmed El-Mallah, Dina Abdallah, Mahmoud M Khattab, Mahmoud M Mohy El-Din, Aiman S El-Khatib
Myopathy is among the well documented and the most disturbing adverse effects of statins. The underlying mechanism is still unknown. Mitochondrial dysfunction related to coenzyme Q10 decline is one of the proposed theories. The present study aimed to investigate the mechanism of atorvastatin-induced myopathy in rats. In addition, the mechanism of the coenzyme Q10 protection was investigated with special focus of mitochondrial alterations. Sprague-Dawely rats were treated orally either with atorvastatin (100mg/kg) or atorvastatin and coenzyme Q10 (100mg/kg)...
June 1, 2016: Toxicology
https://www.readbyqxmd.com/read/27340342/cardiorenal-involvement-in-metabolic-syndrome-induced-by-cola-drinking-in-rats-proinflammatory-cytokines-and-impaired-antioxidative-protection
#19
Matilde Otero-Losada, Hernán Gómez Llambí, Graciela Ottaviano, Gabriel Cao, Angélica Müller, Francisco Azzato, Giuseppe Ambrosio, José Milei
We report experimental evidence confirming renal histopathology, proinflammatory mediators, and oxidative metabolism induced by cola drinking. Male Wistar rats drank ad libitum regular cola (C, n = 12) or tap water (W, n = 12). Measures. Body weight, nutritional data, plasma glucose, cholesterol fractions, TG, urea, creatinine, coenzyme Q10, SBP, and echocardiograms (0 mo and 6 mo). At 6 months euthanasia was performed. Kidneys were processed for histopathology and immunohistochemistry (semiquantitative)...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27333901/coenzyme-q10-and-utility-in-heart-failure-just-another-supplement
#20
REVIEW
Sylvia Oleck, Hector O Ventura
Heart failure affects 5.1 million people in the USA annually. It accounts for a frequent cause of hospitalizations and disability. Patients with congestive heart failure have lower plasma levels of CoQ10, which is an independent predictor of mortality in this patient population. It has been hypothesized that a deficiency of CoQ10 can play a role in the development and worsening of heart failure, and that oral supplementation can possibly improve symptoms and survival in these patients. Based on previous small studies and meta-analyses, the use of CoQ10 in heart failure suggested an improvement ejection fraction, stroke volume, cardiac output, and cardiac index with CoQ10 supplementation, however most of these small studies appeared to be underpowered to result in any significant data...
August 2016: Current Heart Failure Reports
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