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Coenzyme Q10

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https://www.readbyqxmd.com/read/27920436/a-statistical-algorithm-showing-coenzyme-q10-and-citrate-synthase-as-biomarkers-for-mitochondrial-respiratory-chain-enzyme-activities
#1
D Yubero, A Adin, R Montero, C Jou, C Jiménez-Mallebrera, A García-Cazorla, A Nascimento, M M O'Callaghan, J Montoya, L Gort, P Navas, A Ribes, M D Ugarte, R Artuch
Laboratory data interpretation for the assessment of complex biological systems remains a great challenge, as occurs in mitochondrial function research studies. The classical biochemical data interpretation of patients versus reference values may be insufficient, and in fact the current classifications of mitochondrial patients are still done on basis of probability criteria. We have developed and applied a mathematic agglomerative algorithm to search for correlations among the different biochemical variables of the mitochondrial respiratory chain in order to identify populations displaying correlation coefficients >0...
December 2016: Scientific Reports
https://www.readbyqxmd.com/read/27913695/a-randomized-double-blind-placebo-controlled-trial-of-coenzyme-q10-in-huntington-disease
#2
Andrew McGarry, Michael McDermott, Karl Kieburtz, Elisabeth A de Blieck, Flint Beal, Karen Marder, Christopher Ross, Ira Shoulson, Peter Gilbert, William M Mallonee, Mark Guttman, Joanne Wojcieszek, Rajeev Kumar, Mark S LeDoux, Mary Jenkins, H Diana Rosas, Martha Nance, Kevin Biglan, Peter Como, Richard M Dubinsky, Kathleen M Shannon, Padraig O'Suilleabhain, Kelvin Chou, Francis Walker, Wayne Martin, Vicki L Wheelock, Elizabeth McCusker, Joseph Jankovic, Carlos Singer, Juan Sanchez-Ramos, Burton Scott, Oksana Suchowersky, Stewart A Factor, Donald S Higgins, Eric Molho, Fredy Revilla, John N Caviness, Joseph H Friedman, Joel S Perlmutter, Andrew Feigin, Karen Anderson, Ramon Rodriguez, Nikolaus R McFarland, Russell L Margolis, Eric S Farbman, Lynn A Raymond, Valerie Suski, Sandra Kostyk, Amy Colcher, Lauren Seeberger, Eric Epping, Sherali Esmail, Nancy Diaz, Wai Lun Alan Fung, Alan Diamond, Samuel Frank, Philip Hanna, Neal Hermanowicz, Leon S Dure, Merit Cudkowicz
OBJECTIVE: To test the hypothesis that chronic treatment of early-stage Huntington disease (HD) with high-dose coenzyme Q10 (CoQ) will slow the progressive functional decline of HD. METHODS: We performed a multicenter randomized, double-blind, placebo-controlled trial. Patients with early-stage HD (n = 609) were enrolled at 48 sites in the United States, Canada, and Australia from 2008 to 2012. Patients were randomized to receive either CoQ 2,400 mg/d or matching placebo, then followed for 60 months...
December 2, 2016: Neurology
https://www.readbyqxmd.com/read/27911471/the-effects-of-coenzyme-q10-supplementation-on-glucose-metabolism-and-lipid-profiles-in-women-with-polycystic-ovary-syndrome-a-randomized-double-blind-placebo-controlled-trial
#3
Mansooreh Samimi, Maryam Zarezade Mehrizi, Fatemeh Foroozanfard, Hossein Akbari, Mehri Jamilian, Shahnaz Ahmadi, Zatollah Asemi
BACKGROUND: Data on the effects of coenzyme Q10 (CoQ10) supplementation on metabolic profiles among subjects with polycystic ovary syndrome (PCOS) are scarce. OBJECTIVE: This study was done to evaluate the effects of CoQ10 supplementation on glucose metabolism and lipid profiles in subjects with PCOS. DESIGN, PATIENTS AND MEASUREMENTS: This randomized double-blind, placebo-controlled trial was conducted on 60 women diagnosed with PCOS. Subjects were randomly assigned into two groups to intake either 100 mg CoQ10 supplements (N=30) or placebo (N=30) per day for 12 weeks...
December 2, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27907044/coenzyme-q10-status-as-a-determinant-of-muscular-strength-in-two-independent-cohorts
#4
Alexandra Fischer, Simone Onur, Petra Niklowitz, Thomas Menke, Matthias Laudes, Gerald Rimbach, Frank Döring
Aging is associated with sarcopenia, which is a loss of skeletal muscle mass and function. Coenzyme Q10 (CoQ10) is involved in several important functions that are related to bioenergetics and protection against oxidative damage; however, the role of CoQ10 as a determinant of muscular strength is not well documented. The aim of the present study was to evaluate the determinants of muscular strength by examining hand grip force in relation to CoQ10 status, gender, age and body mass index (BMI) in two independent cohorts (n = 334, n = 967)...
2016: PloS One
https://www.readbyqxmd.com/read/27906593/does-swimming-at-a-moderate-altitude-favor-a-lower-oxidative-stress-in-an-intensity-dependent-manner-role-of-nonenzymatic-antioxidants
#5
Rafael A Casuso, Jerónimo Aragón-Vela, Gracia López-Contreras, Silvana N Gomes, Cristina Casals, Yaira Barranco-Ruiz, Jordi J Mercadé, Jesus R Huertas
Casuso, Rafael A., Jerónimo Aragón-Vela, Gracia López-Contreras, Silvana N. Gomes, Cristina Casals, Yaira Barranco-Ruiz, Jordi J. Mercadé, and Jesus R. Huertas. Does swimming at a moderate altitude favor a lower oxidative stress in an intensity-dependent manner? Role of nonenzymatic antioxidants. High-Alt Med Biol. 00:000-000, 2016-we aimed to describe oxidative damage and enzymatic and nonenzymatic antioxidant responses to swimming at different intensities in hypoxia. We recruited 12 highly experienced swimmers who have been involved in competitive swimming for at least 9 years...
December 1, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27897404/doxorubicin-inhibits-muscle-inflammation-after-eccentric-exercise
#6
Sheng-Chih Huang, Jin-Fu Wu, Suchada Saovieng, Wei-Horng Chien, Ming-Fen Hsu, Xiao-Fei Li, Shin-Da Lee, Chih-Yang Huang, Chih-Yang Huang, Chia-Hua Kuo
BACKGROUND: Doxorubicin, a widely used anti-tumour drug, is known to cause muscle loss in cancer patients. METHODS: Following an acute dose of doxorubicin injection (2.5 mg/kg per body weight), we examined macrophage distribution in rat soleus muscle challenged by eccentric exercise (downhill running). Long-term doxorubicin treatment (one injection every 3 days) on muscle mass and survival were also determined. RESULTS: Under non-exercised condition, increased tumour necrosis factor (TNF)-alpha mRNA and decreased IL-10 mRNA were observed in soleus muscle of doxorubicin-treated rats, compared with saline-treated control rats...
October 10, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27888150/coenzyme-q10-intake-from-foods-and-semen-parameters-in-a-subfertile-population
#7
Bruno C Tiseo, Audrey J Gaskins, Russ Hauser, Jorge E Chavarro, Cigdem Tanrikut
OBJECTIVE: To assess the association between coenzyme Q10 (CoQ10) intake from food sources and semen quality. We assessed this association in a prospective cohort of men attending a fertility clinic. CoQ10 supplementation has been associated with improvements in semen parameters. However, impact of CoQ10 intake from food sources on semen quality has not been investigated. METHODS: Subfertile couples seeking fertility evaluation at the Massachusetts General Hospital Fertility Center were invited to participate in an ongoing study of environmental factors and fertility...
November 22, 2016: Urology
https://www.readbyqxmd.com/read/27878656/mille-modis-morimur-we-die-in-a-thousand-ways
#8
Gaspar Banfalvi
Dying cells subjected to apoptotic programs are engulfed by neighboring cells or by professional phagocytes, without inflammation or immunological reactions in the tissue where apoptosis takes place. Apoptotic cells release danger-associated project signals to their neighbours, through different molecular patterns, stimulate antigen production and immune responses. Microenvironmental effects with several functional consequences indicate that cell death is a complex process and may take place in several ways...
November 23, 2016: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/27878228/lithium-carbonate-and-coenzyme-q10-reduce-cell-death-in-a-cell-model-of-machado-joseph-disease
#9
C M Lopes-Ramos, T C Pereira, D B Dogini, R Gilioli, I Lopes-Cendes
Machado-Joseph disease (MJD) or spinocerebellar ataxia type 3 (SCA3) is an autosomal dominant neurodegenerative disorder caused by expansion of the polyglutamine domain of the ataxin-3 (ATX3) protein. MJD/SCA3 is the most frequent autosomal dominant ataxia in many countries. The mechanism underlying MJD/SCA3 is thought to be mainly related to protein misfolding and aggregation leading to neuronal dysfunction followed by cell death. Currently, there are no effective treatments for patients with MJD/SCA3. Here, we report on the potential use of lithium carbonate and coenzyme Q10 to reduce cell death caused by the expanded ATX3 in cell culture...
November 21, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27870992/nanoencapsulation-of-coenzyme-q10-and-vitamin-e-acetate-protects-against-uvb-radiation-induced-skin-injury-in-mice
#10
Natháli S Pegoraro, Allanna V Barbieri, Camila Camponogara, Juliane Mattiazzi, Evelyne S Brum, Marila C L Marchiori, Sara M Oliveira, Letícia Cruz
This study aimed to investigate the feasibility of producing semisolid formulations based on nanocapsule suspensions containing the association of the coenzyme Q10 and vitamin E acetate by adding gellan gum (2%) to the suspensions. Furthermore, we studied their application as an alternative for the treatment of inflammation induced by ultraviolet B (UVB) radiation. For this, an animal model of injury induced by UVB-radiation was employed. All semisolids presented pH close to 5.5, drug content above 95% and mean diameter on the nanometric range, after redispersion in water...
November 9, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27868016/statins-barely-touch-the-heart-but-bite-the-kidneys-after-cardiac-surgery-coenzyme-q10-deficiency-in-the-dock
#11
COMMENT
Patrick M Honore, Rita Jacobs, Inne Hendrckx, Herbert D Spapen
No abstract text is available yet for this article.
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27864103/beneficial-effect-of-coenzyme-q10-injection-on-nitric-oxide-related-dilation-of-the-rat-aorta
#12
Larisa P Kozaeva, Evgeniya A Gorodetskaya, Enno K Ruuge, Elena I Kalenikova, Oleg S Medvedev
This study examined whether coenzyme Q10 can improve nitric oxide (NO)-dependent vasodilatation in the rat aorta after pre-incubation or intravenous administration. In initial experiments, intact isolated aortic rings were incubated with coenzyme Q10 or L-arginine. In further experiments, coenzyme Q10 was administered intravenously in anesthetized rats, then in 2h aorta was isolated. In both cases, after preliminary preparation the isolated aortic rings were tested for acetylcholine-induced NO-dependent relaxation...
November 15, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27845808/use-of-complementary-health-approaches-in-individuals-with-parkinson-s-disease
#13
Ju Young Shin, Ryan T Pohlig, Barbara Habermann
Parkinson's disease (PD) is neurodegenerative and requires ongoing therapy. The purpose of the current study was two-fold: to (a) describe the prevalence, types, and associated factors of complementary health approaches (CHA) used in individuals with PD; and (b) explore reasons for CHA use. A self-administered, cross-sectional survey was used. The response rate was 61.9% (N = 135), and 74.1% of participants used CHA for either PD or general health. The most widely used CHA included exercise, yoga, massage, vitamins, coenzyme Q10, and coconut oil...
November 15, 2016: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/27830356/successful-treatment-of-a-patient-with-ethylmalonic-encephalopathy-by-intravenous-n-acetylcysteine
#14
Mustafa Kılıç, Özge Dedeoğlu, Rahşan Göçmen, Selman Kesici, Deniz Yüksel
Ethylmalonic encephalopathy (EE) is an autosomal recessive devastating metabolic disorder affecting the brain, gastrointestinal tract, peripheral vessels and rarely the other vascular organs. We report a 10-month-old girl who presented as a meningococcemia clinic but later diagnosed ethylmalonic encephalopathy. Molecular analyses revealed a homozygous c.554 T > G; p. L185R mutation in ETHE1 gene. She was only partially benefited from riboflavine, coenzyme Q10, metronidazole, N-acetylcysteine and symptomatic treatment and discharged from hospital with the sequela of oxygene dependance and developmental delay...
November 9, 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27830343/the-efficacy-and-safety-of-coenzyme-q10-in-parkinson-s-disease-a-meta-analysis-of-randomized-controlled-trials
#15
REVIEW
Zhen-Guo Zhu, Miao-Xuan Sun, Wan-Li Zhang, Wen-Wen Wang, Yi-Mei Jin, Cheng-Long Xie
The objective of this meta-analysis was to evaluate the effects of coenzyme Q10 (CoQ10) for the treatment of Parkinson's disease (PD) patients in order to arrive at qualitative and quantitative conclusions about the efficacy of CoQ10. Databases searched included PubMed, Google scholar, CNKI, Wan-Fang, and the Cochrane Library from inception to March 2016. We only included sham-controlled, randomized clinical trials of CoQ10 intervention for motor dysfunction in patients with PD. Relevant measures were extracted independently by two investigators...
November 9, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27793754/industrialization-of-lipid-nanoparticles-from-laboratory-scale-to-large-scale-production-line
#16
Caibiao Hu, Airui Qian, Qiang Wang, Feng Xu, Yi He, Jing Xu, Yongchang Xia, Qiang Xia
This work aimed at developing a large-scale modular production line, which referred to coenzyme Q10 loaded-NLC as well as its continuous and scalable emulsification and homogenization process. The production line exhibited good control over the emulsification and homogenization process and enabled the particle size of NLC below 210nm at a throughput of 25kg/h (for lipid solution at a flow rate of 0.4kg/min). Among the several process parameters investigated, the size of the NLC was mainly influenced by the pre-emulsification temperature, homogenization pressure and homogenization...
December 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27781114/coenzyme-q10-ameliorates-trimethyltin-chloride-neurotoxicity-in-experimental-model-of-injury-in-dentate-gyrus-of-hippocampus-a-histopathological-and-behavioral-study
#17
Mohammad Hassan Sakhaie, Mansoureh Soleimani, Vahid Pirhajati, Sara Soleimani Asl, Zahra Madjd, Mehdi Mehdizadeh
BACKGROUND: Coenzyme Q10 has antioxidative and free radical scavenging effects. CoQ10 supplementation is known to have neuroprotective effects in some neurodegenerative diseases, such as Parkinson's disease and Huntington's disease. OBJECTIVES: The aim of this study was to evaluate both histopathologic and behavioral whether Coenzyme Q10 is protective against trimethyltin chloride (TMT) induced hippocampal damage. MATERIALS AND METHODS: This was an experimental study...
August 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/27775755/plasma-coenzyme-q10-levels-and-multiple-system-atrophy
#18
Yin Xia Chao, Zhidong Zhou, Eng-King Tan
No abstract text is available yet for this article.
October 24, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27775750/plasma-coenzyme-q10-levels-and-multiple-system-atrophy-reply
#19
Jun Mitsui, Shoji Tsuji
No abstract text is available yet for this article.
October 24, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27770619/coenzyme-q10-and-pro-inflammatory-markers-in-children-with-down-syndrome-clinical-and-biochemical-aspects
#20
Moushira E Zaki, Hala T El-Bassyouni, Angie M S Tosson, Eman Youness, Jihan Hussein
OBJECTIVE: Evidence of oxidative stress was reported in individuals with Down syndrome. There is a growing interest in the contribution of the immune system in Down syndrome. The aim of this study is to evaluate the coenzyme Q10 (CoQ10) and selected pro-inflammatory markers such as interleukin 6 (IL-6) and tumor necrosis factor α (TNFα) in children with Down syndrome. METHODS: Eighty-six children (5-8 years of age) were enrolled in this case-control study from two public institutions...
October 19, 2016: Jornal de Pediatria
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