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Liao M, He X, Zhou Y, Peng W, Zhao XM, Jiang M. Coenzyme Q10 in atherosclerosis. Eur J Pharmacol 2024; 970:176481. [PMID: 38493916 DOI: 10.1016/j.ejphar.2024.176481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 03/19/2024]
Abstract
Atherosclerotic disease is a chronic disease that predominantly affects the elderly and is the most common cause of cardiovascular death worldwide. Atherosclerosis is closely related to processes such as abnormal lipid transport and metabolism, impaired endothelial function, inflammation, and oxidative stress. Coenzyme Q10 (CoQ10) is a key component of complex Ⅰ in the electron transport chain and an important endogenous antioxidant that may play a role in decelerating the progression of atherosclerosis. Here, the different forms of CoQ10 presence in the electron transport chain are reviewed, as well as its physiological role in regulating processes such as oxidative stress, inflammatory response, lipid metabolism and cellular autophagy. It was also found that CoQ10 plays beneficial effects in atherosclerosis by mitigating lipid transportation, endothelial inflammation, metabolic abnormalities, and thrombotic processes from the perspectives of molecular mechanisms, animal experiments, and clinical evidence. Besides, the combined use of CoQ10 with other drugs has better synergistic therapeutic effects. It seems reasonable to suggest that CoQ10 could be used in the treatment of atherosclerotic cardiovascular diseases while more basic and clinical studies are needed.
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Affiliation(s)
- Minjun Liao
- Institute of Cardiovascular Disease, Department of Pathophysiology, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, 421001, PR China; Department of Clinical Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Xueke He
- Institute of Cardiovascular Disease, Department of Pathophysiology, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, 421001, PR China
| | - Yangyang Zhou
- Institute of Cardiovascular Disease, Department of Pathophysiology, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, 421001, PR China; Department of Clinical Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Weiqiang Peng
- Institute of Cardiovascular Disease, Department of Pathophysiology, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, 421001, PR China; Department of Clinical Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Xiao-Mei Zhao
- College of Public Health, University of South China, Hengyang, 421001, Hunan, PR China.
| | - Miao Jiang
- Institute of Cardiovascular Disease, Department of Pathophysiology, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, 421001, PR China.
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Lee HA, Park H, Hong YS. Validation of the Framingham Diabetes Risk Model Using Community-Based KoGES Data. J Korean Med Sci 2024; 39:e47. [PMID: 38317447 PMCID: PMC10843969 DOI: 10.3346/jkms.2024.39.e47] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 12/04/2023] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND An 8-year prediction of the Framingham Diabetes Risk Model (FDRM) was proposed, but the predictor has a gap with current clinical standards. Therefore, we evaluated the validity of the original FDRM in Korean population data, developed a modified FDRM by redefining the predictors based on current knowledge, and evaluated the internal and external validity. METHODS Using data from a community-based cohort in Korea (n = 5,409), we calculated the probability of diabetes through FDRM, and developed a modified FDRM based on modified definitions of hypertension (HTN) and diabetes. We also added clinical features related to diabetes to the predictive model. Model performance was evaluated and compared by area under the curve (AUC). RESULTS During the 8-year follow-up, the cumulative incidence of diabetes was 8.5%. The modified FDRM consisted of age, obesity, HTN, hypo-high-density lipoprotein cholesterol, elevated triglyceride, fasting glucose, and hemoglobin A1c. The expanded clinical model added γ-glutamyl transpeptidase to the modified FDRM. The FDRM showed an estimated AUC of 0.71, and the model's performance improved to an AUC of 0.82 after applying the redefined predictor. Adding clinical features (AUC = 0.83) to the modified FDRM further improved in discrimination, but this was not maintained in the validation data set. External validation was evaluated on population-based cohort data and both modified models performed well, with AUC above 0.82. CONCLUSION The performance of FDRM in the Korean population was found to be acceptable for predicting diabetes, but it was improved when corrected with redefined predictors. The validity of the modified model needs to be further evaluated.
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Affiliation(s)
- Hye Ah Lee
- Clinical Trial Center, Ewha Womans University Mokdong Hospital, Seoul, Korea.
| | - Hyesook Park
- Department of Preventive Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
- Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul, Korea
| | - Young Sun Hong
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
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Chen JC, Baumert BO, Li Y, Li Y, Pan S, Robinson S, Rubbo B, Costello E, He J, Hampson H, Beglarian E, Rock S, Goodrich JA, Eckel SP, Aung MT, McConnell R, Conti DV, Chatzi L. Associations of per- and polyfluoroalkyl substances, polychlorinated biphenyls, organochlorine pesticides, and polybrominated diphenyl ethers with oxidative stress markers: A systematic review and meta-analysis. ENVIRONMENTAL RESEARCH 2023; 239:117308. [PMID: 37813138 PMCID: PMC10841434 DOI: 10.1016/j.envres.2023.117308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 09/09/2023] [Accepted: 10/03/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS), polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), and polybrominated diphenyl ethers (PBDEs) are intentionally produced persistent organic pollutants (POPs) that are resistant to environmental degradation. Previous in-vitro and in-vivo studies have shown that POPs can induce oxidative stress, which is linked to neurodegenerative diseases, cardiovascular diseases, and cancer. However, findings in epidemiological studies are inconsistent and an evidence synthesis study is lacking to summarize the existing literature and explore research gaps. OBJECTIVE We evaluated the effects of PFAS, PCBs, OCPs, and PBDEs, on oxidative stress biomarkers in epidemiological studies. METHODS A literature search was conducted in PubMed, Embase, and Cochrane CENTRAL to identify all published studies related to POPs and oxidative stress up to December 7th, 2022. We included human observational studies reporting at least one exposure to POPs and an oxidative stress biomarker of interest. Random-effects meta-analyses on standardized regression coefficients and effect direction plots with one-tailed sign tests were used for quantitative synthesis. RESULTS We identified 33 studies on OCPs, 35 on PCBs, 49 on PFAS, and 12 on PBDEs. Meta-analyses revealed significant positive associations of α-HCH with protein carbonyls (0.035 [0.017, 0.054]) and of 4'4-DDE with malondialdehyde (0.121 [0.056, 0.187]), as well as a significant negative association between 2'4-DDE and total antioxidant capacity (TAC) (-0.042 [-0.079, -0.004]), all β [95%CI]. Sign tests showed a significant positive association between PCBs and malondialdehyde (pone-tailed = 0.03). Additionally, we found significant negative associations of OCPs with acetylcholine esterase (pone-tailed = 0.02) and paraoxonase-1 (pone-tailed = 0.03). However, there were inconsistent associations of OCPs with superoxide dismutase, glutathione peroxidase, and catalase. CONCLUSIONS Higher levels of OCPs were associated with increased levels of oxidative stress through increased pro-oxidant biomarkers involving protein oxidation, DNA damage, and lipid peroxidation, as well as decreased TAC. These findings have the potential to reveal the underlying mechanisms of POPs toxicity.
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Affiliation(s)
- Jiawen Carmen Chen
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States.
| | - Brittney O Baumert
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Yijie Li
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Yiping Li
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Shudi Pan
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Shante Robinson
- University of Southern California, Los Angeles, CA, United States
| | - Bruna Rubbo
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Elizabeth Costello
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Jie He
- School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Hailey Hampson
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Emily Beglarian
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Sarah Rock
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Jesse A Goodrich
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Sandrah P Eckel
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Max T Aung
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Rob McConnell
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - David V Conti
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
| | - Lida Chatzi
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, Los Angeles, CA, United States
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Soleimani Damaneh M, Fatahi S, Aryaeian N, Bavi Behbahani H. The effect of coenzyme Q10 supplementation on liver enzymes: A systematic review and meta-analysis of randomized clinical trials. Food Sci Nutr 2023; 11:4912-4925. [PMID: 37701221 PMCID: PMC10494615 DOI: 10.1002/fsn3.3478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 05/12/2023] [Accepted: 05/24/2023] [Indexed: 09/14/2023] Open
Abstract
Coenzyme Q10 is a potent antioxidant and is necessary for energy production in mitochondria. Clinical data have suggested that coenzyme Q10 (CoQ10) has some beneficial effects on liver function. However, these results are equivocal. This systematic review and meta-analysis aimed to clarify the effect of coenzyme Q10 supplementation on the serum concentration of liver function enzymes. We searched the online databases using relevant keywords up to April 2022. Randomized clinical trials (RCTs) investigating the effect of CoQ10, compared with a control group, on serum concentrations of liver enzymes were included. We found a significant reduction following supplementation with CoQ10 on serum concentrations of alanine aminotransferase (ALT) based on 15 effect sizes from 13 RCTs (weighted mean difference [WMD] = -5.33 IU/L; 95% CI: -10.63, -0.03; p = .04), aspartate aminotransferase (AST) based on 15 effect sizes from 13 RCTs (WMD = -4.91 IU/L; 95% CI: -9.35, -0.47; p = .03) and gamma-glutamyl transferase (GGT) based on eight effect sizes from six RCTs (WMD = -8.07 IU/L; 95% CI: -12.82, -3.32; p = .001; I 2 = 91.6%). However, we found no significant effects of CoQ10 supplementation on alkaline phosphatase concentration (WMD = 1.10 IU/L; 95% CI: -5.98, 8.18; p = .76). CoQ10 supplementation significantly improves circulating ALT, AST, and GGT levels; therefore, it might positively affect liver function. Further high-quality RCTs with more extended intervention periods and larger sample sizes are recommended to confirm our results.
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Affiliation(s)
| | - Somaye Fatahi
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food TechnologyShahid Beheshti University of Medical SciencesTehranIran
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's HealthShahid Beheshti University of Medical SciencesTehranIran
| | - Naheed Aryaeian
- Department of Nutrition, School of Public HealthIran University of Medical SciencesTehranIran
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El-Bassouny DR, Mansour AA, Ellakkany AS, Ayuob NN, AbdElfattah AA. Can coenzyme Q10 alleviate the toxic effect of fenofibrate on skeletal muscle? Histochem Cell Biol 2023:10.1007/s00418-023-02205-5. [PMID: 37270716 PMCID: PMC10386954 DOI: 10.1007/s00418-023-02205-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2023] [Indexed: 06/05/2023]
Abstract
Fenofibrate (FEN) is an antilipidemic drug that increases the activity of the lipoprotein lipase enzyme, thus enhancing lipolysis; however, it may cause myopathy and rhabdomyolysis in humans. Coenzyme Q10 (CoQ10) is an endogenously synthesized compound that is found in most living cells and plays an important role in cellular metabolism. It acts as the electron carrier in the mitochondrial respiratory chain. This study aimed to elucidate FEN-induced skeletal muscle changes in rats and to evaluate CoQ10 efficacy in preventing or alleviating these changes. Forty adult male rats were divided equally into four groups: the negative control group that received saline, the positive control group that received CoQ10, the FEN-treated group that received FEN, and the FEN + CoQ10 group that received both FEN followed by CoQ10 daily for 4 weeks. Animals were sacrificed and blood samples were collected to assess creatine kinase (CK). Soleus muscle samples were taken and processed for light and electron microscopic studies. This study showed that FEN increased CK levels and induced inflammatory cellular infiltration and disorganization of muscular architecture with lost striations. FEN increased the percentage of degenerated collagen fibers and immune expression of caspase-3. Ultrastructurally, FEN caused degeneration of myofibrils with distorted cell organelles. Treatment with CoQ10 could markedly ameliorate these FEN-induced structural changes and mostly regain the normal architecture of muscle fibers due to its antifibrotic and antiapoptotic effects. In conclusion, treatment with CoQ10 improved muscular structure by suppressing oxidative stress, attenuating inflammation, and inhibiting apoptosis.
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Affiliation(s)
- Dalia R El-Bassouny
- Medical Histology & Cell Biology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Alyaa A Mansour
- Medical Histology & Cell Biology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Amany S Ellakkany
- Medical Histology & Cell Biology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Nasra N Ayuob
- Medical Histology Department, Faculty of Medicine, Damietta University, Damietta, Egypt
- Yousef Abdullatif Jameel Chair of Prophetic Medical Applications (YAJCPMA), Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amany A AbdElfattah
- Medical Histology & Cell Biology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
- Department of Basic Medical Sciences, Faculty of Medicine, King Salman International University, South Sinai, El-Tor, Egypt.
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Liao W, Yang Y, Yang H, Qu Y, Song H, Li Q. Circulating gamma-glutamyl transpeptidase and risk of pancreatic cancer: A prospective cohort study in the UK Biobank. Cancer Med 2023; 12:7877-7887. [PMID: 36583230 PMCID: PMC10134379 DOI: 10.1002/cam4.5556] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/28/2022] [Accepted: 12/10/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND To determine whether serum gamma-glutamyl transpeptidase (GGT) level is associated with pancreatic cancer risk in a large prospective cohort. METHODS The study analyzed serum GGT concentration at baseline of 421,032 participants recruited in the UK Biobank since 2006 through 2010. Information on incidence of pancreatic cancer was obtained from cancer and death registers, updated until 2015 in Scotland or 2016 in England and Wales. Adjusted Cox proportional hazards models were used to measure the association between serum GGT and pancreatic cancer risk. RESULTS The study identified 586 cases of pancreatic cancer over a median follow-up period of 7.16 years. In the multivariable-adjusted Cox model, serum GGT level was associated with 14% higher pancreatic cancer risk (hazard ratio (HR) per one standard deviation increment of log2 GGT level = 1.14, 95% confidence interval (CI) 1.02-1.28, p = 0.025). In the total population, the HR for the highest GGT group was 1.68 (95%CI: 1.22-2.30) versus the lowest GGT group. The HR for the highest GGT group in men (≥50.2 U/L) was 1.72 (95%CI: 1.14-2.61) and that in women (≥31.6 U/L) was 1.75 (95%CI: 1.06-2.88) versus the lowest GGT group. CONCLUSION Our findings suggested a positive association of serum GGT in pancreatic cancer etiology, implying the potential of monitoring GGT level for identifying at-risk individuals for pancreatic cancer.
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Affiliation(s)
- Weiting Liao
- Department of Medical OncologyCancer Center, West China Hospital, Sichuan UniversityChengduChina
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
| | - Yu Yang
- Department of Medical OncologyCancer Center, West China Hospital, Sichuan UniversityChengduChina
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
| | - Huazhen Yang
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
- Medical Big Data CenterSichuan UniversityChengduChina
| | - Yuanyuan Qu
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
- Medical Big Data CenterSichuan UniversityChengduChina
| | - Huan Song
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
- Medical Big Data CenterSichuan UniversityChengduChina
| | - Qiu Li
- Department of Medical OncologyCancer Center, West China Hospital, Sichuan UniversityChengduChina
- West China Biomedical Big Data CenterSichuan UniversityChengduChina
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Mann S, Abuelo A, Stokol T, Wakshlag JJ, Bayly W, Reed S, Gandy J, Ramsay JD, Divers TJ. Case-control exercise challenge study on the pathogenesis of high serum gamma-glutamyl transferase activity in racehorses. Equine Vet J 2023; 55:182-193. [PMID: 35491961 DOI: 10.1111/evj.13584] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/20/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND High serum γ-glutamyl-transferase (GGT) activity syndrome in racehorses has been associated with maladaption to exercise. Investigation of affected horses before and immediately after standard exercise may provide critical insight into the syndrome's pathophysiology. OBJECTIVES To investigate blood biomarker changes in actively competing racehorses with high GGT activity associated with an exercise challenge. STUDY DESIGN Case-control study. METHODS High GGT case (age: 2-3 years) and normal GGT control (age: 2-7 years) pairs (3 Thoroughbred, 4 Standardbred pairs) at least 3 months into their training/racing season were included. Horses with a recent history of high GGT activity (≥50 IU/L) without additional biochemical evidence of liver disease were identified by veterinarians. Horses were tested again in the week prior to a planned exercise challenge to confirm persistent increases in GGT activity. Controls from the same stable with similar training/racing intensity and serum GGT activity ≤36 IU/L were matched with each case. Blood samples were obtained immediately before, 15 and 120 min after exercise. Pre-exercise serum samples were analysed for baseline select serum chemistries, selenium and vitamin E concentrations. Cortisol concentration and markers of oxidative status were measured in serum or plasma for all time points. Individual serum bile acid and coenzyme Q10 concentrations, plasma lipid mediator (fatty acids, oxylipids, isoprostanes) concentrations and targeted metabolomics analyses were performed using liquid chromatography-mass spectrometry. Serum viral PCR for equine hepaci- and parvovirus was performed in each animal. RESULTS Cases had higher baseline concentrations of total glutathione, taurocholic acid, cortisol and cholesterol concentrations and higher or lower concentrations of specific oxylipid and isoprostane mediators, but there were no case-dependent changes after exercise. MAIN LIMITATIONS Small sample size. CONCLUSIONS Results indicated that glutathione metabolism was altered in high GGT horses. Enhanced glutathione recycling and mild cholestasis are possible explanations for the observed differences.
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Affiliation(s)
- Sabine Mann
- Cornell University Department of Population Medicine and Diagnostic Sciences, Cornell College of Veterinary Medicine, Ithaca, New York, USA
| | - Angel Abuelo
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
| | - Tracy Stokol
- Cornell University Department of Population Medicine and Diagnostic Sciences, Cornell College of Veterinary Medicine, Ithaca, New York, USA
| | - Joseph J Wakshlag
- Cornell University Department of Clinical Sciences, Cornell College of Veterinary Medicine, Ithaca, New York, USA
| | - Warwick Bayly
- Department of Veterinary Clinical Science, Washington State University, Pullman, Washington, USA
| | - Steven Reed
- Rood & Riddle Equine Hospital, Lexington, Kentucky, USA
| | - Jeff Gandy
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
| | - Joshua David Ramsay
- Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Thomas J Divers
- Cornell University Department of Clinical Sciences, Cornell College of Veterinary Medicine, Ithaca, New York, USA
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Early Prediction for Prediabetes and Type 2 Diabetes Using the Genetic Risk Score and Oxidative Stress Score. Antioxidants (Basel) 2022; 11:antiox11061196. [PMID: 35740093 PMCID: PMC9231325 DOI: 10.3390/antiox11061196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 11/17/2022] Open
Abstract
We aimed to use a genetic risk score (GRS) constructed with prediabetes and type 2 diabetes-related single nucleotide polymorphisms (SNPs) and an oxidative stress score (OSS) to construct an early-prediction model for prediabetes and type 2 diabetes (T2DM) incidence in a Korean population. The study population included 549 prediabetes and T2DM patients and 1036 normal subjects. The GRS was constructed using six prediabetes and T2DM-related SNPs, and the OSS was composed of three recognized oxidative stress biomarkers. Among the nine SNPs, six showed significant associations with the incidence of prediabetes and T2DM. The GRS was profoundly associated with increased prediabetes and T2DM (OR = 1.946) compared with individual SNPs after adjusting for age, sex, and BMI. Each of the three oxidative stress biomarkers was markedly higher in the prediabetes and T2DM group than in the normal group, and the OSS was significantly associated with increased prediabetes and T2DM (OR = 2.270). When BMI was introduced to the model with the OSS and GRS, the area under the ROC curve improved (from 69.3% to 70.5%). We found that the prediction model composed of the OSS, GRS, and BMI showed a significant prediction ability for the incidence of prediabetes and T2DM.
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9
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Martinefski MR, Yamasato MF, Di Carlo MB, Daruich JR, Tripodi VP. Coenzyme Q10 deficiency in patients with hereditary hemochromatosis. Clin Res Hepatol Gastroenterol 2021; 45:101624. [PMID: 33676282 DOI: 10.1016/j.clinre.2021.101624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 12/23/2020] [Accepted: 12/29/2020] [Indexed: 02/04/2023]
Abstract
AIM Hereditary hemochromatosis (HH) is a group of inherited disorders that causes a slow and progressive iron deposition in diverse organs, particularly in the liver. Iron overload induces oxidative stress and tissue damage. Coenzyme Q10 (CoQ10) is a cofactor in the electron-transport chain of the mitochondria, but it is also a potent endogenous antioxidant. CoQ10 interest has recently grown since various studies show that CoQ10 supplementation may provide protective and safe benefits in mitochondrial diseases and oxidative stress disorders. In the present study we sought to determine CoQ10 plasma level in patients recently diagnosed with HH and to correlate it with biochemical, genetic, and histological features of the disease. METHODS Plasma levels of CoQ10, iron, ferritin, transferrin and vitamins (A, C and E), liver tests (transaminases, alkaline phosphatase and bilirubin), and histology, as well as three HFE gene mutations (H63D, S654C and C282Y), were assessed in thirty-eight patients (32 males, 6 females) newly diagnosed with HH without treatment and in twenty-five age-matched normolipidemic healthy subjects with no HFE gene mutations (22 males, 3 females) and without clinical or biochemical signs of iron overload or liver diseases. RESULTS Patients with HH showed a significant decrease in CoQ10 levels respect to control subjects (0.31 ± 0.03 µM vs 0.70 ± 0.06 µM, p < 0.001, respectively) independently of the genetic mutation, cirrhosis, transferrin saturation, ferritin level or markers of hepatic dysfunction. Although a decreasing trend in CoQ10 levels was observed in patients with elevated iron levels, no correlation was found between both parameters in patients with HH. Vitamins C and A levels showed no changes in HH patients. Vitamin E was significantly decreased in HH patients (21.1 ± 1.3 µM vs 29.9 ± 2.5 µM, p < 0.001, respectively), but no correlation was observed with CoQ10 levels. CONCLUSION The decrease in CoQ10 levels found in HH patients suggests that CoQ10 supplementation could be a safe intervention strategy complementary to the traditional therapy to ameliorate oxidative stress and further tissue damage induced by iron overload.
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Affiliation(s)
- Manuela R Martinefski
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Tecnología Farmacéutica, Buenos Aires, Argentina
| | - María F Yamasato
- Universidad de Buenos Aires, Facultad de Medicina, División de Gastroenterología, Sección Hepatología, Hospital de Clínicas José de San Martin, Buenos Aires, Argentina
| | - María B Di Carlo
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Hospital de Clínicas José de San Martin, Buenos Aires, Argentina
| | - Jorge R Daruich
- Universidad de Buenos Aires, Facultad de Medicina, División de Gastroenterología, Sección Hepatología, Hospital de Clínicas José de San Martin, Buenos Aires, Argentina
| | - Valeria P Tripodi
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Tecnología Farmacéutica, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Argentina.
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10
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Serum Gamma-Glutamyltransferase Levels are Associated with Cardiovascular Risk Factors in China: A Nationwide Population-Based Study. Sci Rep 2018; 8:16533. [PMID: 30410032 PMCID: PMC6224435 DOI: 10.1038/s41598-018-34913-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 10/01/2018] [Indexed: 02/07/2023] Open
Abstract
Serum gamma-glutamyltransferase (GGT), which is mainly derived from the liver, is a sensitive marker of liver cell damage and oxidative stress. More recently, it has been found that increased GGT plasma activity is also associated with cardiovascular disease (CVD). However, data on the relationship between GGT and cardiovascular risk factors (CRFs) are lacking in nationally representative samples of the Chinese population. Here, we aim to investigate both the association between GGT and CRFs and CRF clustering. A cross-sectional survey was conducted in a representative sample of 22897 adults aged 18 years and older from 2007 to 2011 nationally, which included a plurality of ethnic minorities. The participants were then divided into quartiles of sex-specific serum GGT. From the low to high GGT quartiles, the incidence of each CRF and clustered risk factors increased after adjusting for age, uric acid (UA), ethnicity, drinking, and all other risk factors. Individuals in the upper stratum (>75th percentile) had higher prevalence rates of CRFs than did those in the lower stratum (all P < 0.05). Furthermore, the subjects with clustering of 1, 2, or ≥3 CRFs were still more likely to belong to the upper GGT quartiles (75th percentiles) than were those without risk factors (all P < 0.05). In conclusion, our data highlight that there is an association between higher serum GGT levels and prevalence of CRFs, which tend to cluster with the increase in GGT activity in Chinese adults.
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Casagrande D, Waib PH, Jordão Júnior AA. Mechanisms of action and effects of the administration of Coenzyme Q10 on metabolic syndrome. JOURNAL OF NUTRITION & INTERMEDIARY METABOLISM 2018. [DOI: 10.1016/j.jnim.2018.08.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Wu Y, Baylin A, Colacino JA. Iron, Oxidative Stress, and Δ9 Stearoyl-CoenzymeA Desaturase Index (C16:1/C16:0): An Analysis Applying the National Health and Nutrition Examination Survey 2003-04. Curr Dev Nutr 2018; 2:1-8. [PMID: 29955721 PMCID: PMC5998366 DOI: 10.1093/cdn/nzx001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 10/09/2017] [Accepted: 11/13/2017] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Stearoyl-coenzyme A desaturase (SCD) is a key enzyme in fatty acid metabolism, and elevated SCD activity is associated with multiple adverse health outcomes. Diet, hormone levels, and environmental exposures are potential factors affecting SCD activity. Less is known about the relationship between micronutrients, including iron, and SCD activity. OBJECTIVE The aim of this study was to investigate the association between serum ferritin level, a biomarker of circulating iron levels, and the Δ9 desaturase index (C16:1/C16:0), a biomarker of estimated SCD activity, among women in the United States. METHODS The association between serum ferritin and the Δ9 desaturase index was assessed in a cross-sectional study of 447 female participants, aged 20-49 y, from NHANES 2003-2004. The multivariate analyses were performed utilizing generalized linear modeling, adjusting for potential confounders. Mediation of the relationship between serum ferritin and Δ9 desaturase index by γ-glutamyltranspeptidase (GGT), a biomarker of oxidative stress, was also assessed. RESULTS Increased ferritin was significantly associated with a higher Δ9 desaturase index. Adjusting for waist circumference, age, race, and cotinine levels, an interquartile range increase in serum ferritin corresponded to 3.92% (95% CI: 0.88%, 7.05%) higher Δ9 desaturase index. GGT, the biomarker used to measure oxidative stress level, did not appear to mediate the association between ferritin and Δ9 desaturase index. After stratifying by pregnancy status, these associations were limited to nonpregnant individuals. CONCLUSIONS Elevated SCD activity may be associated with increased iron storage inside the human body; the association did not appear to be mediated via oxidative stress, as estimated by GGT levels.
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Affiliation(s)
- Yue Wu
- Departments of Nutritional Sciences, Epidemiology, and Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI
- Departments of Epidemiology, and Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI
- Departments of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI
| | - Ana Baylin
- Departments of Epidemiology, and Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI
- Departments of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI
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Emami A, Bazargani-Gilani B. Effect of oral CoQ10supplementation along with precooling strategy on cellular response to oxidative stress in elite swimmers. Food Funct 2018; 9:4384-4393. [DOI: 10.1039/c8fo00960k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High intensity and prolonged swimming trainings in a hot and humid environment lead to stimulated and increased production of reactive oxygen and nitrogen species (RONS).
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Affiliation(s)
- Ali Emami
- Department of exercise physiology and corrective movement
- Sport Sciences Faculty
- Urmia University
- Urmia
- Iran
| | - Behnaz Bazargani-Gilani
- Department of Food Hygiene and Quality Control
- Veterinary Science Faculty
- Bu-Ali Sina University
- Hamedan
- Iran
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Casero D, Gill K, Sridharan V, Koturbash I, Nelson G, Hauer-Jensen M, Boerma M, Braun J, Cheema AK. Space-type radiation induces multimodal responses in the mouse gut microbiome and metabolome. MICROBIOME 2017; 5:105. [PMID: 28821301 PMCID: PMC5563039 DOI: 10.1186/s40168-017-0325-z] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 08/08/2017] [Indexed: 05/19/2023]
Abstract
BACKGROUND Space travel is associated with continuous low dose rate exposure to high linear energy transfer (LET) radiation. Pathophysiological manifestations after low dose radiation exposure are strongly influenced by non-cytocidal radiation effects, including changes in the microbiome and host gene expression. Although the importance of the gut microbiome in the maintenance of human health is well established, little is known about the role of radiation in altering the microbiome during deep-space travel. RESULTS Using a mouse model for exposure to high LET radiation, we observed substantial changes in the composition and functional potential of the gut microbiome. These were accompanied by changes in the abundance of multiple metabolites, which were related to the enzymatic activity of the predicted metagenome by means of metabolic network modeling. There was a complex dynamic in microbial and metabolic composition at different radiation doses, suggestive of transient, dose-dependent interactions between microbial ecology and signals from the host's cellular damage repair processes. The observed radiation-induced changes in microbiota diversity and composition were analyzed at the functional level. A constitutive change in activity was found for several pathways dominated by microbiome-specific enzymatic reactions like carbohydrate digestion and absorption and lipopolysaccharide biosynthesis, while the activity in other radiation-responsive pathways like phosphatidylinositol signaling could be linked to dose-dependent changes in the abundance of specific taxa. CONCLUSIONS The implication of microbiome-mediated pathophysiology after low dose ionizing radiation may be an unappreciated biologic hazard of space travel and deserves experimental validation. This study provides a conceptual and analytical basis of further investigations to increase our understanding of the chronic effects of space radiation on human health, and points to potential new targets for intervention in adverse radiation effects.
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Affiliation(s)
- David Casero
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Kirandeep Gill
- Department of Oncology, Georgetown University Medical Center, Washington DC, 20057, USA
| | - Vijayalakshmi Sridharan
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Igor Koturbash
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Gregory Nelson
- Department of Radiation Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Martin Hauer-Jensen
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Marjan Boerma
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Jonathan Braun
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Amrita K Cheema
- Department of Oncology, Georgetown University Medical Center, Washington DC, 20057, USA.
- Department of Biochemistry and Molecular and & Cellular Biology, Georgetown University Medical Center, Washington, DC, 20057, USA.
- GCD-7N Pre-Clinical Science Building, 3900 Reservoir Road NW, Washington DC, 20057, USA.
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Conti V, Izzo V, Corbi G, Russomanno G, Manzo V, De Lise F, Di Donato A, Filippelli A. Antioxidant Supplementation in the Treatment of Aging-Associated Diseases. Front Pharmacol 2016; 7:24. [PMID: 26903869 PMCID: PMC4751263 DOI: 10.3389/fphar.2016.00024] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 01/25/2016] [Indexed: 12/31/2022] Open
Abstract
Oxidative stress is generally considered as the consequence of an imbalance between pro- and antioxidants species, which often results into indiscriminate and global damage at the organismal level. Elderly people are more susceptible to oxidative stress and this depends, almost in part, from a decreased performance of their endogenous antioxidant system. As many studies reported an inverse correlation between systemic levels of antioxidants and several diseases, primarily cardiovascular diseases, but also diabetes and neurological disorders, antioxidant supplementation has been foreseen as an effective preventive and therapeutic intervention for aging-associated pathologies. However, the expectations of this therapeutic approach have often been partially disappointed by clinical trials. The interplay of both endogenous and exogenous antioxidants with the systemic redox system is very complex and represents an issue that is still under debate. In this review a selection of recent clinical studies concerning antioxidants supplementation and the evaluation of their influence in aging-related diseases is analyzed. The controversial outcomes of antioxidants supplementation therapies, which might partially depend from an underestimation of the patient specific metabolic demand and genetic background, are presented.
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Affiliation(s)
- Valeria Conti
- Department of Medicine and Surgery, University of Salerno Baronissi, Italy
| | - Viviana Izzo
- Department of Medicine and Surgery, University of Salerno Baronissi, Italy
| | - Graziamaria Corbi
- Department of Medicine and Health Sciences, University of Molise Campobasso, Italy
| | - Giusy Russomanno
- Department of Medicine and Surgery, University of Salerno Baronissi, Italy
| | - Valentina Manzo
- Department of Medicine and Surgery, University of Salerno Baronissi, Italy
| | - Federica De Lise
- Department of Biology, University of Naples Federico II Naples, Italy
| | - Alberto Di Donato
- Department of Biology, University of Naples Federico II Naples, Italy
| | - Amelia Filippelli
- Department of Medicine and Surgery, University of Salerno Baronissi, Italy
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Alehagen U, Lindahl TL, Aaseth J, Svensson E, Johansson P. Levels of sP-selectin and hs-CRP Decrease with Dietary Intervention with Selenium and Coenzyme Q10 Combined: A Secondary Analysis of a Randomized Clinical Trial. PLoS One 2015; 10:e0137680. [PMID: 26375288 PMCID: PMC4574282 DOI: 10.1371/journal.pone.0137680] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 08/10/2015] [Indexed: 02/07/2023] Open
Abstract
Background/Objectives Inflammation and oxidative stress are central in many disease states. The major anti-oxidative enzymes contain selenium. The selenium intake in Europe is low, and supplementation with selenium and coenzyme Q10, important anti-oxidants, was evaluated in a previous study. The aim of this study was to evaluate response on the inflammatory biomarkers C-reactive protein, and sP-selectin, and their possible impact on cardiovascular mortality. Subjects/Methods 437 elderly individuals were included in the study. Clinical examination, echocardiography, electrocardiography and blood samples were drawn. The intervention time was 48 months, and median follow-up was 5.2 years. The effects on inflammation/atherosclerosis were evaluated through analyses of CRP and sP-selectin. Evaluations of the effect of the intervention was performed using repeated measures of variance. All mortality was registered, and endpoints of mortality were assessed by Kaplan-Meier plots. Results The placebo group showed a CRP level of 4.8 ng/mL at the start, and 5.1 ng/mL at the study end. The active supplementation group showed a CRP level of 4.1 ng/mL at the start, and 2.1 ng/mL at the study end. SP-selectin exhibited a level of 56.6 mg/mL at the start in the placebo group and 72.3 mg/mL at the study end, and in the active group the corresponding figures were 55.9 mg/mL and 58.0 mg/mL. A significantly smaller increase was demonstrated through repeated measurements of the two biomarkers in those on active supplementation. Active supplementation showed an effect on the CRP and sP-selectin levels, irrespective of the biomarker levels. Reduced cardiovascular mortality was demonstrated in both those with high and low levels of CRP and sP-selectin in the active supplementation group. Conclusion CRP and sP-selectin showed significant changes reflecting effects on inflammation and atherosclerosis in those given selenium and coenzyme Q10 combined. A reduced cardiovascular mortality could be demonstrated in the active group, irrespective of biomarker level. This result should be regarded as hypothesis-generating, and it is hoped it will stimulate more research in the area.
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Affiliation(s)
- Urban Alehagen
- Department of Cardiology and, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
- * E-mail:
| | - Tomas L. Lindahl
- Dept. of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
- Dept. of Clinical Chemistry, County Council of Östergötlan, Linköping, Sweden
| | - Jan Aaseth
- Research Department, Innlandet Hospital Trust and Hedmark University College, Tromsø, Norway
| | | | - Peter Johansson
- Department of Cardiology and, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
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Farsi F, Mohammadshahi M, Alavinejad P, Rezazadeh A, Zarei M, Engali KA. Functions of Coenzyme Q10 Supplementation on Liver Enzymes, Markers of Systemic Inflammation, and Adipokines in Patients Affected by Nonalcoholic Fatty Liver Disease: A Double-Blind, Placebo-Controlled, Randomized Clinical Trial. J Am Coll Nutr 2015; 35:346-53. [PMID: 26156412 DOI: 10.1080/07315724.2015.1021057] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is a chronic liver disorder related to inflammation. Coenzyme Q10 (CoQ10) is a natural compound that has recently been considered as an anti-inflammatory factor. In the current study we aimed to evaluate the effects of CoQ10 supplementation on liver enzymes, inflammation status, and adipokines in patients with NAFLD. METHODS Forty-one subjects with NAFLD participated in the current randomized, double-blind, placebo-controlled trial. The participants were randomly divided into 2 groups: one group received CoQ10 capsules (100 mg once a day) and the other received placebo for 12 weeks. Blood samples of each patient were taken before and after the 12-week intervention period for measurement of liver aminotransferases, inflammatory biomarkers, and adipokines (adiponectin and leptin). RESULTS Taking 100 mg CoQ10 supplement daily resulted in a significant decrease in liver aminotransferases (aspartate aminotransferase [AST] and gamma-glutamyl transpeptidase [GGT]), high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor α, and the grades of NAFLD in the CoQ10 group in comparison to the control group (p < 0.05). In addition, patients who received CoQ10 supplement had higher serum levels of adiponectin (p = 0.016) and considerable changes in serum leptin (p = 0.053). However, no significant changes occurred in serum levels of interleukin-6 in both groups. CONCLUSION The present study suggested that CoQ10 supplement at a dosage of 100 mg could be effective for improving the systemic inflammation and biochemical variables in NAFLD.
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Affiliation(s)
- Farnaz Farsi
- a Department of Nutrition, Nutrition and Metabolic Disease Research Center, Faculty of Paramedicine , Ahvaz Jundishapur University of Medical Sciences , Ahvaz , IRAN
| | - Majid Mohammadshahi
- a Department of Nutrition, Nutrition and Metabolic Disease Research Center, Faculty of Paramedicine , Ahvaz Jundishapur University of Medical Sciences , Ahvaz , IRAN
| | - Pezhman Alavinejad
- b Department of Institute for Infectious Diseases of the Digestive System, Faculty of Medicine , Ahvaz Jundishapur University of Medical Sciences , Ahvaz , IRAN
| | - Afshin Rezazadeh
- c Department of Radiology, Faculty of Medicine , Ahvaz Jundishapur University of Medical Sciences , Ahvaz , IRAN
| | - Mehdi Zarei
- d Department of Statistics, Faculty of Public Health , Ahvaz Jundishapur University of Medical Sciences , Ahvaz , IRAN
| | - Kambiz Ahmadi Engali
- e Department of Food Hygiene, Faculty of Veterinary Medicine , Shahid Chamran University of Ahvaz , Ahvaz , IRAN
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Onur S, Niklowitz P, Fischer A, Jacobs G, Lieb W, Laudes M, Menke T, Döring F. Determination of the coenzyme Q10 status in a large Caucasian study population. Biofactors 2015; 41:211-21. [PMID: 26228113 DOI: 10.1002/biof.1216] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Accepted: 05/22/2015] [Indexed: 11/11/2022]
Abstract
Coenzyme Q10 (CoQ10 ) exists in a reduced (ubiquinol) and an oxidized (ubiquinone) form in all human tissues and functions, amongst others, in the respiratory chain, redox-cycles, and gene expression. As the status of CoQ10 is an important risk factor for several diseases, here we determined the CoQ10 status (ubiquinol, ubiquinone) in a large Caucasian study population (n = 1,911). The study population covers a wide age range (age: 18-83 years, 43.4% men), has information available on more than 10 measured clinical phenotypes, more than 30 diseases (presence vs. absence), about 30 biomarkers, and comprehensive genetic information including whole-genome SNP typing (>891,000 SNPs). The major aim of this long-term resource in CoQ10 research is the comprehensive analysis of the CoQ10 status with respect to integrated health parameters (i.e., fat metabolism, inflammation), disease-related biomarkers (i.e., liver enzymes, marker for heart failure), common diseases (i.e., neuropathy, myocardial infarction), and genetic risk in humans. Based on disease status, biomarkers, and genetic variants, our cohort is also useful to perform Mendelian randomisation approaches. In conclusion, the present study population is a promising resource to gain deeper insight into CoQ10 status in human health and disease.
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Affiliation(s)
- Simone Onur
- Division of Molecular Prevention, Institute of Human Nutrition and Food Science, Christian Albrechts University Kiel, Kiel, 24118, Germany
| | - Petra Niklowitz
- Children's Hospital of Datteln, University of Witten/Herdecke, 45711, Datteln, Germany
| | - Alexandra Fischer
- Division of Molecular Prevention, Institute of Human Nutrition and Food Science, Christian Albrechts University Kiel, Kiel, 24118, Germany
| | - Gunnar Jacobs
- Institute of Epidemiology and Biobank Popgen, Christian Albrechts University Kiel, Campus University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Wolfgang Lieb
- Institute of Epidemiology and Biobank Popgen, Christian Albrechts University Kiel, Campus University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Matthias Laudes
- Department of Internal Medicine, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Thomas Menke
- Children's Hospital of Datteln, University of Witten/Herdecke, 45711, Datteln, Germany
| | - Frank Döring
- Division of Molecular Prevention, Institute of Human Nutrition and Food Science, Christian Albrechts University Kiel, Kiel, 24118, Germany
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