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Coenzyme Q10

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https://www.readbyqxmd.com/read/28811612/coenzyme-q10-improves-lipid-metabolism-and-ameliorates-obesity-by-regulating-camkii-mediated-pde4-inhibition
#1
Zhe Xu, Jia Huo, Xin Ding, Mu Yang, Lin Li, Jian Dai, Kazunori Hosoe, Hiroshi Kubo, Masayuki Mori, Keiichi Higuchi, Jinko Sawashita
Our recent studies revealed that supplementation with the reduced form of coenzyme Q10 (CoQ10H2) inhibits oxidative stress and slows the process of aging in senescence-accelerated mice. CoQ10H2 inhibits adipocyte differentiation and regulates lipid metabolism. In the present study, we show that dietary supplementation with CoQ10H2 significantly reduced white adipose tissue content and improved the function of brown adipose tissue by regulating expression of lipid metabolism-related factors in KKAy mice, a model of obesity and type 2 diabetes...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28781026/comparison-of-low-dose-statin-versus-low-dose-statin%C3%A2-%C3%A2-armolipid-plus-in-high-intensity-statin-intolerant-patients-with-a-previous-coronary-event-and-percutaneous-coronary-intervention-adherence-trial
#2
Giuseppe Marazzi, Giuseppe Campolongo, Francesco Pelliccia, Silvia Quattrino, Cristiana Vitale, Luca Cacciotti, Rosalba Massaro, Maurizio Volterrani, Giuseppe Rosano
Low-density lipoprotein cholesterol (LDL-C) reduction is associated with a significant decrease in mortality, and statins represent the most effective drugs to achieve this. However, side effects of statins are very common and may lead to treatment discontinuation. Nutraceuticals are a combination of natural components that have shown efficacy in lowering LDL-C concentration when used alone or in association with other agents in patients who are intolerant to high-dose statins. Our aim was to compare the efficacy and tolerability of low-dose statin (LDS) therapy versus combined therapy of LDS plus a nutraceutical combination containing red yeast rice, policosanol, berberine, folic acid, coenzyme Q10 and astaxanthin (Armolipid Plus) in high-risk patients...
June 28, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28777385/efficacy-of-eyedrops-containing-cross-linked-hyaluronic-acid-and-coenzyme-q10-in-treating-patients-with-mild-to-moderate-dry-eye
#3
Elisa I Postorino, Laura Rania, Emanuela Aragona, Carmen Mannucci, Angela Alibrandi, Gioacchino Calapai, Domenico Puzzolo, Pasquale Aragona
PURPOSE: Dry eye disease (DED) is a common condition causing substantial burden. A randomized, controlled, single-masked study was performed in 40 patients with mild to moderate DED to evaluate the efficacy and safety of a collyrium based on crosslinked hyaluronic acid (XLHA) with coenzyme Q10 (CoQ10). METHODS: Enrolled subjects were divided into 2 groups: group A, treated with XLHA + CoQ10; and group B, treated with hyaluronic acid (HA). Eyedrops were administered 4 times daily for 3 months...
August 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28774370/-recurrent-anorexia-and-pigmentation-of-skin-for-more-than-two-months-in-an-infant
#4
Zhang-Qian Zheng, Bing-Bing Wu, Miao-Ying Zhang, Wei Lu, Fei-Hong Luo
A 2-month-old boy presented with adrenal insufficiency, impaired liver function, hypertriglyceridemia, significantly elevated creatine kinase and electrolyte disturbance. Microarray comparative genomic hybridization (aCGH) analysis test showed a pathogenic 8.7 Mb deletion in the short arm of chromosome X (Xp21.3 - p21.1) and confirmed the diagnosis of complex glycerol kinase deficiency (cGKD). He was treated with hydrocortisone, coenzyme Q10 and L-carnitine and was subsequently followed up for 4 years. His serum cortisol levels returned to normal one week later after treatment, but the serum creatine kinase, triglyceride and aminotransferase levels were progressively increased along with mental retardation and decreased muscular strength...
August 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28762311/therapeutic-potential-of-co-enzyme-q10-in-retinal-diseases
#5
Xun Zhang, Ali Mohammad Tohari, Fabio Marcheggiani, Xinzhi Zhou, James Reilly, Luca Tiano, Xinhua Shu
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 including mitochondrial diseases, neurodegenerative disorders, cardiovascular diseases, diabetes, cancer, and with the ageing process. In many of these conditions CoQ10 supplementation therapy has been effective in slowing or reversing pathological changes...
August 1, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28751178/acute-action-of-rotenone-on-excitability-of-catecholaminergic-neurons-in-rostral-ventrolateral-medulla
#6
Zhaoqiang Zhang, Limin Shi, Xixun Du, Qian Jiao, Hong Jiang
The degeneration of the rostral ventrolateral medulla (RVLM) catecholaminergic neurons was responsible for some cardiovascular symptoms in Parkinson's disease (PD). Our previous study had observed the impairment of these neurons in the early stage of PD in the rotenone-induced PD rat model, but the related mechanisms remain unclear. Rotenone is a mitochondrial inhibitor, influencing the neuronal electrophysiological activity through activation of K-ATP channels that potentially participate in cell death processes...
July 24, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28744121/design-optimization-and-characterization-of-coenzyme-q10-and-d-panthenyl-triacetate-loaded-liposomes
#7
Burak Çelik, Ali Asram Sağıroğlu, Samet Özdemir
Coenzyme Q10 (CoQ10) is a lipid-soluble molecule found naturally in many eukaryotic cells and is essential for electron transport chain and energy generation in mitochondria. D-Panthenyl triacetate (PTA) is an oil-soluble derivative of D-panthenol, which is essential for coenzyme A synthesis in the epithelium. Liposomal formulations that encapsulate both ingredients were prepared and optimized by applying response surface methodology for increased stability and skin penetration. The optimum formulation comprised 4...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28738783/efficacy-of-coenzyme-q10-in-patients-with-cardiac-failure-a-meta-analysis-of-clinical-trials
#8
Li Lei, Yan Liu
BACKGROUND: The therapeutic efficacy of coenzyme Q10 on patients with cardiac failure remains controversial. We pooled previous clinical studies to re-evaluate the efficacy of coenzyme Q10 in patients with cardiac failure. METHODS: We searched PubMed, Cochrane Library, EMBASE, and Clinical Trials.gov databases for controlled trials. The endpoints were death, left heart ejection fraction, exercise capacity, and New York Heart Association (NYHA) cardiac function classification after treatment...
July 24, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28736527/human-coq9-rescues-a-coq9-yeast-mutant-by-enhancing-coenzyme-q-biosynthesis-from-4-hydroxybenzoic-acid-and-stabilizing-the-coq-synthome
#9
Cuiwen H He, Dylan S Black, Christopher M Allan, Brigitte Meunier, Shamima Rahman, Catherine F Clarke
Coq9 is required for the stability of a mitochondrial multi-subunit complex, termed the CoQ-synthome, and the deamination step of Q intermediates that derive from para-aminobenzoic acid (pABA) in yeast. In human, mutations in the COQ9 gene cause neonatal-onset primary Q10 deficiency. In this study, we determined whether expression of human COQ9 could complement yeast coq9 point or null mutants. We found that expression of human COQ9 rescues the growth of the temperature-sensitive yeast mutant, coq9-ts19, on a non-fermentable carbon source and increases the content of Q6, by enhancing Q biosynthesis from 4-hydroxybenzoic acid (4HB)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28722258/in-vitro-evaluation-of-chitosan-coated-liposome-containing-both-coenzyme-q10-and-alpha-lipoic-acid-cytotoxicity-antioxidant-activity-and-antimicrobial-activity
#10
Guodong Zhao, Caibiao Hu, Ying Xue
BACKGROUND: Chitosan-coated liposome containing both coenzyme Q10 and alpha-lipoic acid (CCAL) was a novel multifunctional nano delivery system exhibited long-term stability at room temperature and high encapsulation efficiency. Which containing two kinds of antioxidants (coenzyme Q10 and alpha-lipoic acid) and two antibacterial agents (chitosan and alpha-lipoic acid). However, the further biocompatibility, such as cytotoxicity and antioxidant activity, and antimicrobial activity of CCAL, has not been systematically evaluated...
July 19, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28717270/antioxidant-therapy-in-idiopathic-oligoasthenoteratozoospermia
#11
REVIEW
Ahmad Majzoub, Ashok Agarwal
INTRODUCTION: Idiopathic oligoasthenoteratozoospermia (iOAT) is commonly encountered during the evaluation of men with infertility. Antioxidants have been utilized empirically in the treatment of iOAT based on their ability to reverse oxidative stress (OS)-induced sperm dysfunction often encountered in this patient population. METHODS: A literature search was performed using MEDLINE/PubMed, focusing on publications of antioxidant therapies for iOAT. The main objective of our review article was to report the rationale and available evidence supporting the use of antioxidants...
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28698101/coenzyme-q10-ameliorates-cerebral-ischemia-reperfusion-injury-in-hyperglycemic-rats
#12
Cui-Jie Lu, Yong-Zhen Guo, Yang Zhang, Lan Yang, Yue Chang, Jing-Wen Zhang, Li Jing, Jian-Zhong Zhang
The purpose of this study is to investigate the effect of coenzyme Q10 (CoQ10) on focal cerebral ischemia/reperfusion (I/R) injury in hyperglycemic rats and the possible involved mechanisms. In this study, we established the transient middle cerebral artery occlusion (MCAO) for 30min in the rats with diabetic hyperglycemia. The neurological deficit score, 2,3,5-triphenyltetrazolium chloride (TTC) staining and pathohistology are applied to detect the extent of the damage. The expression of Fis1, Mfn2 and Lc3 in the brain is investigated by immunohistochemical and Western blotting techniques...
June 15, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28697789/improvement-in-asymmetric-dimethylarginine-and-oxidative-stress-in-patients-with-limb-salvage-after-autologous-mononuclear-stem-cell-application-for-critical-limb-ischemia
#13
Juraj Madaric, Martina Valachovicova, Ludovit Paulis, Jana Pribojova, Renata Mateova, Katarina Sebekova, Luba Postulkova, Terezia Madaricova, Maria Bucova, Martin Mistrik, Ivan Vulev
BACKGROUND: Asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, acts as an inhibitor of angiogenesis and is associated with an increased risk of cardiovascular mortality. Administration of stem cells may affect endogenous mechanisms that regulate ADMA production and metabolism. The aim of the present study was to analyze ADMA concentration and changes in oxidative stress in patients with advanced critical limb ischemia (CLI) after bone marrow-derived mononuclear cell (BM-MNC) therapy...
July 12, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28692411/evaluation-of-the-health-benefits-of-a-multivitamin-multimineral-herbal-essential-oil-infused-supplement-a-pilot-trial
#14
Xuesheng Han, Dennis L Eggett, Tory L Parker
This study was designed to quantitatively evaluate the health benefits of a multivitamin, multimineral, herbal, essential oil-infused supplement using serum biomarkers. We also qualitatively evaluated the health effects of this supplement using a survey. Sixteen participants were recruited to take the supplement as directed for two months. The levels of the following serum components were measured in the participants: total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, triglycerides, lipoprotein(a), LDL/HDL cholesterol ratio, total/HDL cholesterol ratio, ferritin, fibrinogen, C-reactive protein, insulin, testosterone, sex hormone binding globulin, free androgen index, red blood cell magnesium, homocysteine, coenzyme Q10, lipid peroxides, alpha-tocopherol, gamma-tocopherol, cardiovascular index, eicosapentaenoic acid (EPA), arachidonic acid (AA), and the AA/EPA ratio...
July 10, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28690551/impact-of-chemical-analogs-of-4-hydroxybenzoic-acid-on-coenzyme-q-biosynthesis-from-inhibition-to-bypass-of-coenzyme-q-deficiency
#15
REVIEW
Fabien Pierrel
Coenzyme Q is a lipid that participates to important physiological functions. Coenzyme Q is synthesized in multiple steps from the precursor 4-hydroxybenzoic acid. Mutations in enzymes that participate to coenzyme Q biosynthesis result in primary coenzyme Q deficiency, a type of mitochondrial disease. Coenzyme Q10 supplementation of patients is the classical treatment but it shows limited efficacy in some cases. The molecular understanding of the coenzyme Q biosynthetic pathway allowed the design of experiments to bypass deficient biosynthetic steps with analogs of 4-hydroxybenzoic acid...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28684614/ubiquinol-effects-on-antiphospholipid-syndrome-prothrombotic-profile-a-randomized-placebo-controlled-trial
#16
Carlos Pérez-Sánchez, María Ángeles Aguirre, Patricia Ruiz-Limón, María Carmen Abalos-Aguilera, Yolanda Jiménez-Gómez, Iván Arias-de la Rosa, Antonio Rodriguez-Ariza, Lucía Fernández-Del Río, José Antonio Gonzalez-Reyes, Pedro Segui, Eduardo Collantes-Estévez, Nuria Barbarroja, Francisco Velasco, Savino Sciascia, Irene Cecchi, María José Cuadrado, José Manuel Villalba, Chary López-Pedrera
OBJECTIVE: Antiphospholipid syndrome (APS) leukocytes exhibit an oxidative perturbation, directly linked to alterations in mitochondrial dynamics and metabolism. This disturbance is related to the patients' prothrombotic status and can be prevented by in vitro treatment with coenzyme Q10. Our aim was to investigate short-term effects of in vivo ubiquinol (reduced coenzyme Q10[Qred]) supplementation on markers related to inflammation and thrombosis in APS through a prospective, randomized, crossover, placebo-controlled trial...
July 6, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28671136/analysis-of-participant-withdrawal-in-huntington-disease-clinical-trials
#17
Haruhiko Banno, Kelly L Andrzejewski, Michael P McDermott, Alyssa Murphy, Madhurima Majumder, Elisabeth A de Blieck, Peggy Auinger, Merit E Cudkowicz, Nazem Atassi
BACKGROUND: Excellent retention in Huntington disease (HD) clinical trials is essential for testing new therapies. The stage of disease, cognitive status, and availability of a care partner may influence retention in HD clinical trials. OBJECTIVE: We sought to analyze reasons for early withdrawal in three HD clinical trials, and evaluated if either baseline characteristics or follow-up assessments were associated with time to withdrawal. METHODS: Analyses of participant withdrawal were performed for three randomized, double-blind, placebo-controlled trials including the CARE-HD (coenzyme Q10 and remacemide in HD, n = 347), DOMINO (pilot study of minocycline in HD, n = 114), and 2CARE (coenzyme Q10 in HD, n = 609) trials...
2017: Journal of Huntington's Disease
https://www.readbyqxmd.com/read/28670881/ameliorative-effect-of-coenzyme-q10-and-or-candesartan-on-carboplatin-induced-nephrotoxicity-roles-of-apoptosis-transforming-growth-factor-%C3%AE-1-nuclear-factor-kappa-b-and-the-nrf2-ho-1-pathway
#18
Ahmed M Kabel, Abeer A Elkhoely
Background: Carboplatin is a drug that is used for treatment of many types of cancer. However, it may produce serious nephrotoxicity. Candesartan is angiotensin II receptor antagonist employed mainly for control of hypertension. Coenzyme Q10 (CoQ10) is a fat-soluble substance which was proven to have potent antioxidant and anti-inflammatory properties. Aim: Our aim was to study the effects of candesartan and/or CoQ10 on carboplatin-induced nephrotoxicity in mice. Methods: Sixty mice were divided into 6 equal groups: Control untreated; carboplatin; carboplatin + candesartan; carboplatin + CoQ10; carboplatin + carboxymethyl cellulose; and carboplatin + candesartan + CoQ10 group...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28661441/loss-of-bone-mineral-density-associated-with-age-in-male-rats-fed-on-sunflower-oil-is-avoided-by-virgin-olive-oil-intake-or-coenzyme-q-supplementation
#19
Alfonso Varela-López, Julio J Ochoa, José M Llamas-Elvira, Magdalena López-Frías, Elena Planells, Lorenza Speranza, Maurizio Battino, José L Quiles
The role of dietary fat unsaturation and the supplementation of coenzyme Q have been evaluated in relation to bone health. Male Wistar rats were maintained for 6 or 24 months on two diets varying in the fat source, namely virgin olive oil, rich in monounsaturated fatty acids, or sunflower oil, rich in n-6 polyunsaturated fatty acids. Both dietary fats were supplemented or not with coenzyme Q10 (CoQ10). Bone mineral density (BMD) was evaluated in the femur. Serum levels of osteocalcin, osteopontin, receptor activator of nuclear factor κB ligand (RANKL), osteoprotegerin (OPG), adrenocorticotropin (ACTH) and parathyroid hormone (PTH), as well as urinary F₂-isoprostanes were measured...
June 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28643190/mitochondrial-biogenesis-and-neural-differentiation-of-human-ipsc-is-modulated-by-idebenone-in-a-developmental-stage-dependent-manner
#20
J Augustyniak, J Lenart, M Zychowicz, P P Stepien, L Buzanska
Idebenone, the synthetic analog of coenzyme Q10 can improve electron transport in mitochondria. Therefore, it is used in the treatment of Alzheimer's disease and other cognitive impairments. However, the mechanism of its action on neurodevelopment is still to be elucidated. Here we demonstrate that the cellular response of human induced pluripotent stem cells (hiPSC) to idebenone depends on the stage of neural differentiation. When: neural stem cells (NSC), early neural progenitors (eNP) and advanced neural progenitors (NP) have been studied a significant stimulation of mitochondrial biogenesis was observed only at the eNP stage of development...
August 2017: Biogerontology
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