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Coenzyme Q10

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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...
June 22, 2017: Biogerontology
https://www.readbyqxmd.com/read/28642201/combination-of-coenzyme-q10-loaded-liposomes-with-ultrasound-targeted-microbubbles-destruction-utmd-for-early-theranostics-of-diabetic-nephropathy
#12
Ting Yue, He-Lin Xu, Pian-Pian Chen, Lei Zheng, Qun Huang, Wen-Shuang Sheng, Yuan-Di Zhuang, Li-Zhuo Jiao, Ting-Ting Chi, De-Li ZhuGe, Jin-Jin Liu, Ying-Zheng Zhao, Li Lan
Diabetic nephropathy (DN) is one of the most common and lethal microvascular complications of diabetes. This study aimed to explore whether coenzymeQ10 (CoQ10) as an antioxidant combined with ultrasound-targeted microbubble destruction (UTMD) could reverse the progress of early diabetic nephropathy (DN). CoQ10 has great potential to treat early DN. However, the clinical application of CoQ10 has been limited because of its low aqueous solubility and non-specific distribution. Therefore, CoQ10-loaded liposomes (CoQ10-lip) were prepared and combined with ultrasound microbubbles for the early theranostics of DN...
June 19, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28613256/strawberry-based-cosmetic-formulations-protect-human-dermal-fibroblasts-against-uva-induced-damage
#13
Massimiliano Gasparrini, Tamara Y Forbes-Hernandez, Sadia Afrin, Patricia Reboredo-Rodriguez, Danila Cianciosi, Bruno Mezzetti, Josè L Quiles, Stefano Bompadre, Maurizio Battino, Francesca Giampieri
Extreme exposure of skin to Ultraviolet A (UVA)-radiation may induce a dysregulated production of reactive oxygen species (ROS) which can interact with cellular biomolecules leading to oxidative stress, inflammation, DNA damage, and alteration of cellular molecular pathways, responsible for skin photoaging, hyperplasia, erythema, and cancer. For these reasons, the use of dietary natural bioactive compounds with remarkable antioxidant activity could be a strategic tool to counteract these UVA-radiation-caused deleterious effects...
June 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28609475/increase-in-insulin-like-growth-factor-1-igf-1-and-insulin-like-growth-factor-binding-protein-1-after-supplementation-with-selenium-and-coenzyme-q10-a-prospective-randomized-double-blind-placebo-controlled-trial-among-elderly-swedish-citizens
#14
Urban Alehagen, Peter Johansson, Jan Aaseth, Jan Alexander, Kerstin Brismar
BACKGROUND: Insulin-like growth factor-1(IGF-1) has a multitude of effects besides cell growth and metabolism. Reports also indicate anti-inflammatory and antioxidative effects. The concentrations of IGF-1 decrease with age and during inflammation. As selenium and coenzyme Q10 are involved in both the antioxidative defense and the inflammatory response, the present study aimed to examine the effects of supplementation with selenium and coenzyme Q10 on concentrations of IGF-1 and its binding protein IGFBP-1 in a population showing reduced cardiovascular mortality following such supplementation...
2017: PloS One
https://www.readbyqxmd.com/read/28603085/kaempferol-increases-levels-of-coenzyme-q-in-kidney-cells-and-serves-as-a-biosynthetic-ring-precursor
#15
Lucía Fernández-Del-Río, Anish Nag, Elena Gutiérrez Casado, Julia Ariza, Agape M Awad, Akil I Joseph, Ohyun Kwon, Eric Verdin, Rafael de Cabo, Claus Schneider, Jorge Z Torres, María I Burón, Catherine F Clarke, José M Villalba
Coenzyme Q (Q) is a lipid-soluble antioxidant essential in cellular physiology. Patients with Q deficiencies, with few exceptions, seldom respond to treatment. Current therapies rely on dietary supplementation with Q10, but due to its highly lipophilic nature, Q10 is difficult to absorb by tissues and cells. Plant polyphenols, present in the human diet, are redox active and modulate numerous cellular pathways. In the present study, we tested whether treatment with polyphenols affected the content or biosynthesis of Q...
June 9, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28599221/metabolic-engineering-and-synthetic-biology-approaches-driving-isoprenoid-production-in-escherichia-coli
#16
Chonglong Wang, Bakht Zada, Gongyuan Wei, Seon-Won Kim
Isoprenoids comprise the largest family of natural organic compounds with many useful applications in the pharmaceutical, nutraceutical, and industrial fields. Rapid developments in metabolic engineering and synthetic biology have facilitated the engineering of isoprenoid biosynthetic pathways in Escherichia coli to induce high levels of production of many different isoprenoids. In this review, the stem pathways for synthesizing isoprene units as well as the branch pathways deriving diverse isoprenoids from the isoprene units have been summarized...
October 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28587702/protective-effects-of-coenzyme-q10-on-developmental-competence-of-porcine-early-embryos
#17
Shuang Liang, Ying Jie Niu, Kyung-Tae Shin, Xiang-Shun Cui
Coenzyme Q10 (Q10) plays an important role in the cellular antioxidant system by protecting the cells from free-radical oxidative damage and apoptosis. In the present study, we have investigated the effect of Q10 on the preimplantation development of porcine parthenogenetic embryos, as well as the underlying mechanism. The results showed that 100 μM was the optimal concentration of Q10, which resulted in significantly increased cleavage and blastocyst formation rates and improvement of blastocyst quality. Q10 improved the blastocyst hatching rate and cellular proliferation rate in hatching blastocysts and increased the expression of hatching-related genes...
June 7, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28579756/effect-of-a-food-supplement-containing-berberine-monacolin-k-hydroxytyrosol-and-coenzyme-q10-on-lipid-levels-a-randomized-double-blind-placebo-controlled-study
#18
Sergio D'Addato, Luciana Scandiani, Giuliana Mombelli, Francesca Focanti, Federica Pelacchi, Enrica Salvatori, Giorgio Di Loreto, Alessandro Comandini, Pamela Maffioli, Giuseppe Derosa
PURPOSE: To evaluate the ability of the new food supplement, Body Lipid (BL), containing red yeast rice, berberine, coenzyme Q10 and hydroxytyrosol, to lower the LDL-C in patients with mild-to-moderate hypercholesterolemia and to assess the overall safety profile of the product. METHODS: In this multicenter, randomized, double-blind, placebo and active comparator (the marketed Armolipid Plus(®) [AM]) controlled study, 158 hypercholesterolemic patients were randomized following a 4-week dietary run-in period...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28577739/mitochondrial-cytopathies-and-the-kidney
#19
REVIEW
Francesco Emma, Leonardo Salviati
Mitochondrial cytopathies include a heterogeneous group of diseases that are characterized by impaired oxidative phosphorylation. Current evidence suggests that renal involvement is probably more frequent than originally suspected but remains subclinical in a significant number of patients or is underestimated due to the severity of other clinical manifestations. Until recently, these diseases were thought to develop primarily in pediatric patients but patients that become symptomatic only in adulthood are now well recognized...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28565869/mitochondrial-dysfunction-on-sinoatrial-node-and-pulmonary-vein-electrophysiological-activities
#20
Yung-Kuo Lin, Chen-Chuan Cheng, Min-Chien Tsai, Pei-Yu Wu, Yi-Ann Chen, Yao-Chang Chen, Shih-Ann Chen, Yi-Jen Chen
Atrial fibrillation (AF) is associated with mitochondrial dysfunction. Sinoatrial node (SAN) dysfunction increases arrhythmogenesis of pulmonary veins (PVs), which is the most important trigger of AF; however, it is not clear whether mitochondrial dysfunction differentially regulates electrical activity of SANs and PVs. In the present study, conventional microelectrodes were used to record the action potentials (APs) in isolated rabbit PVs, SANs, left atrium (LA) and right atrium (RA) before and after application of trifluorocarbonylcyanide phenylhydrazone (FCCP; a mitochondrial uncoupling agent) at 10, 100 and 300 nM...
May 2017: Experimental and Therapeutic Medicine
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