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CoQ10

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https://www.readbyqxmd.com/read/28541926/addition-of-omega-3-fatty-acid-and-coenzyme-q10-to-statin-therapy-in-patients-with-combined-dyslipidemia
#1
Štefan Tóth, Matej Šajty, Tímea Pekárová, Adil Mughees, Peter Štefanič, Matan Katz, Katarína Spišáková, Jozef Pella, Daniel Pella
BACKGROUND: Statins represent a group of drugs that are currently indicated in the primary and secondary prevention of cardiovascular events. Their administration can be associated with side effects and the insufficient reduction of triacylglyceride (TAG) levels. This study aimed to assess the effect of the triple combination of statins with omega-3 fatty acids and coenzyme Q10 (CoQ10) on parameters associated with atherogenesis and statin side effects. MATERIALS AND METHODS: In this pilot randomized double-blind trial, 105 subjects who met the criteria of combined dislipidemia and elevated TAG levels were randomly divided into three groups...
May 23, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28540186/novel-recessive-mutations-in-coq4-cause-severe-infantile-cardiomyopathy-and-encephalopathy-associated-with-coq10-deficiency
#2
Neal Sondheimer, Stacy Hewson, Jessie M Cameron, Gino R Somers, Jane Dunning Broadbent, Marcello Ziosi, Catarina Maria Quinzii, Ali B Naini
Coenzyme Q10 (CoQ10) or ubiquinone is one of the two electron carriers in the mitochondrial respiratory chain which has an essential role in the process of oxidative phosphorylation. Defects in CoQ10 synthesis are usually associated with the impaired function of CoQ10-dependent complexes I, II and III. The recessively transmitted CoQ10 deficiency has been associated with a number of phenotypically and genetically heterogeneous groups of disorders manifesting at variable age of onset. The infantile, multisystemic presentation is usually caused by mutations in genes directly involved in CoQ10 biosynthesis...
September 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28501779/coenzyme-q10-improves-the-survival-mesenteric-perfusion-organs-and-vessel-functions-in-septic-rats
#3
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Ibrahim Kilinc, Sultan Pehlivan, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
BACKGROUND: Coenzyme Q10 (CoQ10) is a naturally occurring, lipid-soluble antioxidant and an essential electron carrier in the mitochondrial respiratory chain. In sepsis, CoQ10 deficiency induced by mitochondrial failure can lead to hypoxia, hypoperfusion, oxidative organ damage and finally death. We aimed to investigate the effects of CoQ10 on survival, mesenteric artery blood flow (MABF), vascular reactivity, oxidative and inflammatory injuries in cecal ligation and puncture (CLP)-induced sepsis...
May 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28490948/preparation-and-quality-evaluation-of-coenzyme-q10-long-circulating-liposomes
#4
Huibin Li, Fang Chen
The aim of this work was to prepare coenzyme Q10 (CoQ10) long-circulating liposomes, and establish the quality standard to determine the content and entrapment efficiency. CoQ10 long-circulating liposomes were prepared by the film dispersion method, HPLC assay for the determination of CoQ10 was developed. Free drugs and liposomes were separated using the protamine aggregation method and entrapment efficiency was determined. The liposomes were homogeneous and the mean diameter was 166.0 nm, Zeta potential was -22...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28486329/effect-of-short-term-coenzyme-q10-supplementation-and-pre-cooling-on-serum-endogenous-antioxidant-enzymes-of-elite-swimmers
#5
Ali Emami, Asghar Tofighi, Siamak A Rezayi, Behnaz B Gilani
This study aimed to investigate the effect of the use of a two-week pre-cooling strategy and supplementation coenzyme Q10 (CoQ10) on superoxide dismutase (SOD), catalase (CAT), and serum glutathione peroxidase (GPx) in elite, adolescent swimmers during heavy and regular trainings and recording of freestyle swimming. 36 healthy males (mean ± SD; age: 17.5±1.1, body fat content: 14.55±1.75%) were randomly selected and divided into four groups of CoQ10 (300 mg/d), precooling (immersion in the water at 18 ± 0...
May 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28472853/genetic-rescue-of-mitochondrial-and-skeletal-muscle-impairment-in-an-induced-pluripotent-stem-cells-model-of-coenzyme-q10-deficiency
#6
Damià Romero-Moya, Carlos Santos-Ocaña, Julio Castaño, Gloria Garrabou, José A Rodríguez-Gómez, Vanesa Ruiz-Bonilla, Clara Bueno, Patricia González-Rodríguez, Alessandra Giorgetti, Eusebio Perdiguero, Cristina Prieto, Constanza Moren-Nuñez, Daniel J Fernández-Ayala, Maria Victoria Cascajo, Iván Velasco, Josep Maria Canals, Raquel Montero, Delia Yubero, Cristina Jou, José López-Barneo, Francesc Cardellach, Pura Muñoz-Cánoves, Rafael Artuch, Plácido Navas, Pablo Menendez
Coenzyme Q10 (CoQ10 ) plays a crucial role in mitochondria as an electron carrier within the mitochondrial respiratory chain (MRC) and is an essential antioxidant. Mutations in genes responsible for CoQ10 biosynthesis (COQ genes) cause primary CoQ10 deficiency, a rare and heterogeneous mitochondrial disorder with no clear genotype-phenotype association, mainly affecting tissues with high-energy demand including brain and skeletal muscle (SkM). Here, we report a four-year-old girl diagnosed with minor mental retardation and lethal rhabdomyolysis harboring a heterozygous mutation (c...
May 4, 2017: Stem Cells
https://www.readbyqxmd.com/read/28458038/coenzyme-q10-attenuated-%C3%AE-amyloid25-35-induced-inflammatory-responses-in-pc12-cells-through-regulation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway
#7
Li Li, Daohua Xu, Jiantao Lin, Dawei Zhang, Guanhai Wang, Ling Sui, Hongyan Ding, Jikun Du
Inflammation plays critical roles in the pathogenic mechanisms of several neurodegenerative disorders including Alzheimer's disease (AD). Previous study revealed that CoQ10 augmented cellular antioxidant defense capacity, thereby protecting PC12 cells from oxidative neurotoxicity. However, the mechanism by which CoQ10 inhibits inflammation remains unknown. In this study, we aim to examine the effects of CoQ10 on Aβ25-35-induced inflammatory in PC12 cells and the underlying molecular mechanism of its neuroprotective action...
April 27, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28456126/assessing-the-influence-of-the-carbon-source-on-the-abatement-of-industrial-n2o-emissions-coupled-with-the-synthesis-of-added-value-bioproducts
#8
Osvaldo D Frutos, Gonzalo Barriguín, Raquel Lebrero, Raúl Muñoz
The continuous abatement of a synthetic N2O emission from a nitric acid plant coupled with the simultaneously production of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) copolymer and the coenzyme Q10 (CoQ10) in a bubble column reactor (BCR) was tested using methanol, glycerol and a mixture of sodium acetate-acetic acid (Ac-HAc) as a carbon and electron donor source. The BCRs were inoculated with Paracoccus denitrificans and supplied with the carbon/electron donor at a loading rate of 139gCm(-3)d(-1)...
April 26, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28441753/coq10-deficiency-may-indicate-mitochondrial-dysfunction-in-cr-vi-toxicity
#9
Xiali Zhong, Xing Yi, Rita de Cássia da Silveira E Sá, Yujing Zhang, Kaihua Liu, Fang Xiao, Caigao Zhong
To investigate the toxic mechanism of hexavalent chromium Cr(VI) and search for an antidote for Cr(VI)-induced cytotoxicity, a study of mitochondrial dysfunction induced by Cr(VI) and cell survival by recovering mitochondrial function was performed. In the present study, we found that the gene expression of electron transfer flavoprotein dehydrogenase (ETFDH) was strongly downregulated by Cr(VI) exposure. The levels of coenzyme 10 (CoQ10) and mitochondrial biogenesis presented by mitochondrial mass and mitochondrial DNA copy number were also significantly reduced after Cr(VI) exposure...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28433189/synergic-regulation-of-redox-potential-and-oxygen-uptake-to-enhance-production-of-coenzyme-q10-in-rhodobacter-sphaeroides
#10
Yongqiang Zhu, Lidan Ye, Zhaofeng Chen, Weijiang Hu, Yanghui Shi, Jianbo Chen, Chenfei Wang, Yong Li, Weifeng Li, Hongwei Yu
The physiological role of Coenzyme Q10 (CoQ10) as an electron carrier suggests its association with redox potential. Overexpression of glyceraldehyde-3-phosphate dehydrogenase type I (gapA-1) in Rhodobacter sphaeroides elevated the NADH/NAD(+) ratio and meanwhile enhanced the CoQ10 content by 58%, but at the sacrifice of biomass. On the other hand, Vitreoscilla hemoglobin was heterologously expressed to enhance the oxygen uptake ability of the cells, leading to 127% improvement of biomass. Subsequent coexpression of gapA-1 and vgb resulted in a CoQ10 titer of 83...
June 2017: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/28428331/a-personalized-model-of-coq2-nephropathy-rescued-by-the-wild-type-coq2-allele-or-dietary-coenzyme-q10-supplementation
#11
Jun-Yi Zhu, Yulong Fu, Adam Richman, Zhanzheng Zhao, Patricio E Ray, Zhe Han
Clinical studies have identified patients with nephrotic syndrome caused by mutations in genes involved in the biosynthesis of coenzyme Q10 (CoQ10), a lipid component of the mitochondrial electron transport chain and an important antioxidant. However, the cellular mechanisms through which these mutations induce podocyte injury remain obscure. Here, we exploited the striking similarities between Drosophila nephrocytes and human podocytes to develop a Drosophila model of these renal diseases, and performed a systematic in vivo analysis assessing the role of CoQ10 pathway genes in renal function...
April 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28427467/coenzyme-q10-prevents-oxidative-stress-and-fibrosis-in-isoprenaline-induced-cardiac-remodeling-in-aged-rats
#12
Anayt Ulla, Mustafe Khalid Mohamed, Biswajit Sikder, Afm Towheedur Rahman, Farzana Akther Sumi, Murad Hossain, Hasan Mahmud Reza, G M Sayedur Rahman, Md Ashraful Alam
BACKGROUND: The objective of the present study aimed to investigate the effect of CoQ10 treatment on isoprenaline (ISO)-induced cardiac remodeling in rats. METHODS: Rats were divided into three groups namely Control group, ISO treated group and CoQ10 + ISO treated group, each consisting of 6 rats. The cardiac specific CK-MB, AST, ALT activity and other oxidative stress parameters were estimated in heart and kidneys. Additionally histological examination was also performed to visualize the inflammatory cells infiltration and fibrosis in both tissues...
April 20, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28427254/supplementing-the-culture-of-rhodobacter-sphaeroides-in-the-diet-of-holstein-lactating-cow-may-naturally-produce-coenzyme-q10-enriched-milk
#13
Gui-Seck Bae, Ahreum Choi, Joon Mo Yeo, Jong Nam Kim, Jaeyong Song, Eun Joong Kim, Moon Baek Chang
Objective: To examine the effects of Rhaodobacter sphaeroides supplementation as a direct-fed microbial (DFM) on rumen fermentation in dairy cows and on CoQ10 transition into milk, an in vitro rumen simulation batch culture and an in vivo dairy cow experiments were conducted. Methods: The characteristics of in vitro ruminal fermentation were investigated using rumen fluids from six cannulated Holstein dairy cows at 2 h post-afternoon feeding. A control treatment was included in the experiments based on a typified total mixed ration (TMR) for lactating dairy cows, which was identical to the one used in the in vivo study, plus R...
April 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28424622/pravastatin-chronic-treatment-sensitizes-hypercholesterolemic-mice-muscle-to-mitochondrial-permeability-transition-protection-by-creatine-or-coenzyme-q10
#14
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/28418660/pegylated-solanesol-for-oral-delivery-of-coenzyme-q10
#15
Benkai Qin, Lei Liu, Yangyang Pan, Yingchun Zhu, Xiaohe Wu, Shiyong Song, Guang Han
Coenzyme Q10 (CoQ10) is widely used in preventive or curative treatment of cardiovascular diseases. However, CoQ10 exhibits an extremely low solubility in aqueous medium as well as a poor oral bioavailability. Therefore, solanesyl poly(ethylene glycol) succinate (SPGS) and CoQ10 were formulated as CoQ10-SPGS micelles with a high content of CoQ10 to improve the bioavailability of CoQ10 in rat. Findings indicate that, in the CoQ10-SPGS micelles, SPGS is self-assembled into stable nanosized micelles with a CoQ10 loading capacity of more than 39%...
April 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28414942/coenzyme-q10-protects-against-statin-induced-myotoxicity-in-zebrafish-larvae-danio-rerio
#16
Rand Pasha, Thomas W Moon
3-Hydroxy-3-methylglutaryl-CoA reductase (HMGCR) is the rate-limiting enzyme of the mevalonic acid pathway and is required for cholesterol biosynthesis and the synthesis of Coenzyme Q10 (CoQ10). Statins inhibit HMGCR, thus inhibiting the downstream products of this pathway including the biosynthesis of decaprenyl-pyrophosphate that is critical for the synthesis of Coenzyme Q10 (CoQ10). We show that zebrafish (Danio rerio) larvae treated in tank water with Atorvastatin (ATV; Lipitor) exhibited movement alterations and reduced whole body tissue metabolism...
April 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#17
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
April 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28405841/focal-segmental-glomerulosclerosis-and-medullary-nephrocalcinosis-in-children-with-adck4-mutations
#18
Eujin Park, Hee Gyung Kang, Young Hun Choi, Kyoung Bun Lee, Kyung Chul Moon, Hyeon Joo Jeong, Michio Nagata, Hae Il Cheong
BACKGROUND: Mutations in the AarF domain containing kinase 4 gene (ADCK4), one of the novel genes causing steroid-resistant nephrotic syndrome (SRNS), usually manifest as isolated adolescent-onset focal segmental glomerulosclerosis (FSGS). ADCK4 interacts with components of the coenzyme Q10 (CoQ10) biosynthesis pathway. METHODS: The incidence and phenotypes of patients with ADCK4 mutations were investigated in a cohort of Korean pediatric patients with SRNS. RESULTS: Among the 53 patients enrolled in the study the incidence of ADCK4-associated FSGS was 7...
April 12, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28400836/effects-of-coenzyme-q10-on-the-antioxidant-system-in-sd-rats-exposed-to-lipopolysaccharide-induced-toxicity
#19
Min-Hae Song, Ha-Na Kim, Yong Lim, In-Surk Jang
The study was performed to see the effects of coenzyme Q10 (CoQ10) on blood biochemical components and hepatic antioxidant system in rats exposed to lipopolysaccharide (LPS)-induced toxicity. A total of 24 rats were allocated to four groups: control (CON), 100 mg/kg BW of LPS (LPS), 100 mg of CoQ10/kg BW with LPS (LCQI) and 300 mg of CoQ10/kg BW with LPS (LCQII). The LPS and LCQI groups showed a significant (P<0.05) increase in the relative spleen weight compared with the CON group without affecting body and liver weights...
March 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28381349/a-meta-analysis-of-randomized-and-placebo-controlled-clinical-trials-suggests-that-coenzyme-q10-at-low-dose-improves-glucose-and-hba1c-levels
#20
REVIEW
Marko Stojanović, Miroslav Radenković
The influence of coenzyme Q10 (CoQ10) on blood glucose (BGL) and HbA1c (HL) levels has been previously investigated; however, the results are inconsistent. Therefore, the purpose of this meta-analysis was to determine if CoQ10 could affect BGL and HL levels based on the existing evidence. PubMed, Cochrane Library, Web of Science, Embase, and Scopus databases were searched for randomized clinical trials from September 1, 1956, to March 01, 2016. To calculate pooled overall effects, a random effect model was used...
February 2017: Nutrition Research
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