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https://www.readbyqxmd.com/read/29596118/treatment-of-depression-with-duloxetine-in-mitochondrial-encephalopathy-lactic-acidosis-and-stroke-like-episodes
#1
Brittany Cozart, Jesus Diaz Vera, James D Denham, William L Whiting
The mitochondrial cytopathies are a heterogeneous group of diseases characterized by heteroplasmic maternal transmission and selective dysfunction of tissues and organs highly dependent on aerobic respiration (eg, skeletal muscle, cardiac muscle, and brain). Mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS) is a specific subtype of mitochondrial cytopathy that is commonly associated with mood disturbances in individuals who survive until adulthood. Because of the altered cellular metabolism inherent in MELAS, it is often difficult to determine drug dosing, drug choice, and treatment response in patients with this rare disease...
March 28, 2018: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/29258174/co-enzyme-q10-and-n-3-polyunsaturated-fatty-acid-supplementation-reverse-intermittent-hypoxia-induced-growth-restriction-and-improved-antioxidant-profiles-in-neonatal-rats
#2
Kay D Beharry, Charles L Cai, Michael M Henry, Sara Chowdhury, Gloria B Valencia, Jacob V Aranda
Neonatal intermittent hypoxia (IH) increases the risk for many morbidities in extremely low birth weight/gestational age (ELBW/ELGA) neonates with compromised antioxidant systems and poor growth. We hypothesized that supplementation with coenzyme Q10 (CoQ10, ubiquinol) or n -3 polyunsaturated fatty acids (PUFAs) during neonatal IH improves antioxidant profiles and somatic growth in neonatal rats. Newborn rats were exposed to two IH paradigms at birth (P0): (1) 50% O₂ with brief hypoxic episodes (12% O₂); or (2) room air (RA) with brief hypoxia, until P14 during which they received daily oral CoQ10 in olive oil, n -3 PUFAs in fish oil, or olive oil only from P0 to P14...
December 16, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29228766/the-effects-of-addition-of-coenzyme-q10-to-metformin-on-sirolimus-induced-diabetes-mellitus
#3
In O Sun, Long Jin, Jian Jin, Sun Woo Lim, Byung Ha Chung, Chul Woo Yang
Background/Aims: This study was performed to determine whether adding coenzyme Q10 (CoQ10) to metformin (MET) has a beneficial effect as a treatment for sirolimus (SRL)-induced diabetes mellitus (DM). Methods: DM was induced in rats by daily treatment with SRL (0.3 mg/kg, subcutaneous) for 28 days, and animals were treated with CoQ10 (20 mg/kg, oral) and MET (250 mg/kg, oral) alone or in combination for the latter 14 days of SRL treatment. The effects of CoQ10 and MET on SRL-induced DM were assessed with the intraperitoneal glucose tolerance test (IPGTT) and by determining plasma insulin concentration and the homeostatic model assessment of insulin resistance (HOMA-R) index...
December 13, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28943100/validation-of-a-pharmacological-model-for-mitochondrial-dysfunction-in-healthy-subjects-using-simvastatin-a-randomized-placebo-controlled-proof-of-pharmacology-study
#4
Marcus P J van Diemen, Cécile L Berends, Naila Akram, Joep Wezel, Wouter M Teeuwisse, Bert G Mik, Hermien E Kan, Andrew Webb, Jan Willem M Beenakker, Geert Jan Groeneveld
Proof-of-pharmacology models to study compounds in healthy subjects offer multiple advantages. Simvastatin is known to induce mitochondrial dysfunction at least partly by depletion of co-enzyme Q10. The goal of this study was to evaluate a model of simvastatin-induced mitochondrial dysfunction in healthy subjects and to determine whether mitochondrial dysfunction could be pharmacologically reversed by treatment with co-enzyme Q10 (ubiquinol). Subjects received simvastatin 40mg/day for 8 weeks. After 4 weeks, subjects were randomized to receive ubiquinol 300mg/day or placebo in a double-blinded fashion...
November 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28762311/therapeutic-potential-of-co-enzyme-q10-in-retinal-diseases
#5
REVIEW
Xun Zhang, Ali Mohammad Tohari, Fabio Marcheggiani, Xinzhi Zhou, James Reilly, Luca Tiano, Xinhua Shu
BACKGROUND: Coenzyme Q10 (CoQ10) plays a critical role in mitochondrial oxidative phosphorylation by serving as an electron carrier in the respiratory electron transport chain. CoQ10 also functions as a lipid-soluble antioxidant by protecting lipids, proteins and DNA damaged by oxidative stress. CoQ10 deficiency has been associated with a number of human diseases in which CoQ10 supplementation therapy has been effective in slowing or reversing pathological changes. Oxidative stress is a major contributory factor in the process of retinal degeneration...
2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28743569/structural-characterization-catalytic-kinetic-and-thermodynamic-properties-of-keratinase-from-bacillus-pumilus-fh9
#6
Mohamed A Abdel-Naby, Heba A El-Refai, Mohammad H A Ibrahim
Bacillus pumilus FH9 keratinase was purified to homogeneity with a 59.9% yield through a series of three steps. The purified enzyme was a monomeric protein with a molecular mass around 50kDa and containing 7.3% carbohydrates. The pure B. pumilus FH9 keratinase was optimally active at pH 9.0 and 60°C. The calculated activation energy for keratin hydrolysis was 24.52kJmol(-1) and its temperature quotient (Q10) was 1.19. The calculated values of thermodynamic parameters for keratin hydrolysis were as follows: ΔH*=21...
December 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28637167/effects-of-dissolved-oxygen-concentration-on-photosynthetic-bacteria-wastewater-treatment-pollutants-removal-cell-growth-and-pigments-production
#7
Fan Meng, Anqi Yang, Guangming Zhang, Hangyao Wang
Dissolved oxygen (DO) is an important parameter in photosynthetic bacteria (PSB) wastewater treatment. This study set different DO levels and detected the pollutants removal, PSB growth and pigments production. Results showed that DO significantly influenced the performances of PSB wastewater treatment process. The highest COD (93%) and NH3-N removal (83%) was achieved under DO of 4-8mg/L, but DO of 2-4mg/L was recommended considering the aeration cost. PSB biomass reached 1645mg/L under DO of 4-8mg/L with satisfying co-enzyme Q10 content...
October 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28497369/co-enzyme-q10-and-acetyl-salicylic-acid-enhance-hsp70-expression-in-primary-chicken-myocardial-cells-to-protect-the-cells-during-heat-stress
#8
Jiao Xu, Shu Tang, Bin Yin, Jiarui Sun, Erbao Song, Endong Bao
We investigated the effects of co-enzyme Q10 (Q10) and acetyl salicylic acid (ASA) on expression of Hsp70 in the protection of primary chicken myocardial cells during heat stress. Western blot analysis showed that Q10 and ASA accelerated the induction of Hsp70 when chicken myocardial cells were exposed to hyperthermia. In the absence of heat stress, however, neither Q10 nor ASA are able to upregulate Hsp70 expression. Analysis of enzymes that respond to cellular damage and pathological examination revealed that ectopic expression of ASA and Q10 alleviate cellular damage during heat stress...
November 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28424622/pravastatin-chronic-treatment-sensitizes-hypercholesterolemic-mice-muscle-to-mitochondrial-permeability-transition-protection-by-creatine-or-coenzyme-q10
#9
Estela N B Busanello, Ana C Marques, Noelia Lander, Diogo N de Oliveira, Rodrigo R Catharino, Helena C F Oliveira, Anibal E Vercesi
Statins are efficient cholesterol-lowering medicines utilized worldwide. However, 10% of patients suffer from adverse effects specially related to skeletal muscle function. Pro- or anti-oxidant effects of statins have been reported. Here we hypothesized that statins induce muscle mitochondrial oxidative stress leading to mitochondrial permeability transition (MPT) which may explain statin muscle toxicity. Thus, our aims were to investigate the effects of statin chronic treatment on muscle mitochondrial respiration rates, MPT and redox state indicators in the context of hypercholesterolemia...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28422588/alterations-in-redox-homeostasis-during-recovery-from-unexplained-underperformance-syndrome-in-an-elite-international-rower
#10
Nathan A Lewis, Ann Redgrave, Mark Homer, Richard Burden, Wendy Martinson, Brian Moore, Charles R Pedlar
PURPOSE: This case study of an international rower examines a diagnosis of Unexplained Under Performance Syndrome (UUPS or Overtraining Syndrome) describing a full recovery and return to elite competition the same year. METHODS: On diagnosis and 4 and 14 months post-diagnosis, detailed assessments including physiological, nutritional, and biomarkers were made. RESULTS: Clinical examination and laboratory results for haematology, biochemistry, thyroid function, immunology, vitamins and minerals were unremarkable and did not explain the presentation and diagnosis...
April 19, 2017: International Journal of Sports Physiology and Performance
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
#11
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...
April 2017: Zygote: the Biology of Gametes and Early Embryos
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
#12
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/28058114/protective-effects-of-co-enzyme-q10-on-thioacetamide-induced-acute-liver-damage-and-its-correlation-with-behavioral-biochemical-and-pathological-factors
#13
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/27794544/hsp70-expression-induced-by-co-enzyme-q10-protected-chicken-myocardial-cells-from-damage-and-apoptosis-under-in-vitro-heat-stress
#14
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...
May 1, 2017: Poultry Science
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
#15
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/27503149/a-sex-difference-in-oxidative-stress-and-behavioral-suppression-induced-by-ethanol-withdrawal-in-rats
#16
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
#17
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/27175889/purification-and-characterization-of-the-carbonic-anhydrase-enzyme-from-black-sea-trout-salmo-trutta-labrax-coruhensis-kidney-and-inhibition-effects-of-some-metal-ions-on-enzyme-activity
#18
Murat Kucuk, İlhami Gulcin
In this study, the carbonic anhydrase (CA) enzyme was purified from Black Sea trout (Salmo trutta Labrax Coruhensis) kidney with a specific activity of 603.77EU/mg and a yield of 35.5% using Sepharose-4B-l-tyrosine- sulphanilamide affinity column chromatography. For determining the enzyme purity and subunit molecular mass, sodiumdodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) was performed and single band was observed. The molecular mass of subunit was found approximately 29.71kDa. The optimum temperature, activation energy (Ea), activation enthalpy (ΔH) and Q10 values were obtained from Arrhenius plot...
June 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/27136895/repurposing-atovaquone-targeting-mitochondrial-complex-iii-and-oxphos-to-eradicate-cancer-stem-cells
#19
Marco Fiorillo, Rebecca Lamb, Herbert B Tanowitz, Luciano Mutti, Marija Krstic-Demonacos, Anna Rita Cappello, Ubaldo E Martinez-Outschoorn, Federica Sotgia, Michael P Lisanti
Atovaquone is an FDA-approved anti-malarial drug, which first became clinically available in the year 2000. Currently, its main usage is for the treatment of pneumocystis pneumonia (PCP) and/or toxoplasmosis in immune-compromised patients. Atovaquone is a hydroxy-1,4-naphthoquinone analogue of ubiquinone, also known as Co-enzyme Q10 (CoQ10). It is a well-tolerated drug that does not cause myelo-suppression. Mechanistically, it is thought to act as a potent and selective OXPHOS inhibitor, by targeting the CoQ10-dependence of mitochondrial complex III...
June 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27087047/protective-effect-of-co-enzyme-q10-on-doxorubicin-induced-cardiomyopathy-of-rat-hearts
#20
Pei-Yu Chen, Chien-Wen Hou, Marthandam Asokan Shibu, Cecilia Hsuan Day, Peiying Pai, Zhao-Rong Liu, Tze-Yi Lin, Vijaya Padma Viswanadha, Chia-Hua Kuo, Chih-Yang Huang
Q10 is a powerful antioxidant often used in medical nutritional supplements for cancer treatment. This study determined whether Q10 could effectively prevent cardio-toxicity caused by doxorubicin treatment. Four week old SD rats were segregated into groups namely control, doxorubicin group (challenged with doxorubicin), Dox + Q10 group (with doxorubicin challenge and oral Q10 treatment), and Q10 group (with oral Q10 treatment). Doxorubicin groups received IP doxorubicin (2.5 mg/kg) every 3 days and Q10 groups received Q10 (10 mg/kg) every day...
February 2017: Environmental Toxicology
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