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Bhadra J, Sridhar N, Fajrial AK, Hammond N, Xue D, Ding X. Acoustic streaming enabled moderate swimming exercise reduces neurodegeneration in C. elegans. SCIENCE ADVANCES 2023; 9:eadf5056. [PMID: 36812319 PMCID: PMC9946341 DOI: 10.1126/sciadv.adf5056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Regular physical exercise has been shown to delay and alleviate neurodegenerative diseases. Yet, optimum physical exercise conditions that provide neuronal protection and exercise-related factors remain poorly understood. Here, we create an Acoustic Gym on a chip through the surface acoustic wave (SAW) microfluidic technology to precisely control the duration and intensity of swimming exercise of model organisms. We find that precisely dosed swimming exercise enabled by acoustic streaming decreases neuronal loss in two different neurodegenerative disease models of Caenorhabditis elegans, a Parkinson's disease model and a tauopathy model. These findings highlight the importance of optimum exercise conditions for effective neuronal protection, a key characteristic of healthy aging in the elderly population. This SAW device also paves avenues for screening for compounds that can enhance or replace the beneficial effects of exercise and for identifying drug targets for treating neurodegenerative diseases.
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Affiliation(s)
- Joyita Bhadra
- Department of Molecular, Cellular and Developmental Biology, University of Colorado, Boulder, CO 80309, USA
| | - Nakul Sridhar
- Department of Mechanical Engineering, University of Colorado, 1111 Engineering Dr., Boulder, CO 80309, USA
| | - Apresio Kefin Fajrial
- Department of Mechanical Engineering, University of Colorado, 1111 Engineering Dr., Boulder, CO 80309, USA
| | - Nia Hammond
- Department of Molecular, Cellular and Developmental Biology, University of Colorado, Boulder, CO 80309, USA
| | - Ding Xue
- Department of Molecular, Cellular and Developmental Biology, University of Colorado, Boulder, CO 80309, USA
| | - Xiaoyun Ding
- Department of Mechanical Engineering, University of Colorado, 1111 Engineering Dr., Boulder, CO 80309, USA
- Biomedical Engineering Program, University of Colorado, Boulder, CO 80309, USA
- BioFrontiers Institute, University of Colorado, Boulder, CO 80309, USA
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Differential Expression of Genes Associated with Chromatin Modifications in Skeletal Muscle during Aerobic Training Program. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12031159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction: Skeletal muscle plasticity in exercise can be modulated by epigenomic events such as gene silencing, histone modifications and DNA methylation. In this context, our objective was to analyze the expression of genes associated with chromatin modifications in human muscle biopsies of vastus lateralis after a 20 week training program. Methods: Using data from DNA microarray experiments registered in the NCBI GEO DataSet database GSE117070, we calculated the Z ratio values as the criterion to evaluate the differential expression of genes associated with chromatin modification during aerobic training in skeletal muscle. Using the web interface GENEMANIA, we built a co-expression interaction network with the overexpressed genes. We compared Z-score values obtained from pre-trained and post-trained samples through nonparametric tests. Results: We found 10 overexpressed genes after the 20 week training program, namely, EZH1, KMT2A, KMT2D, KDM4C, KDM6A, CREBBP, HDAC10, HDAC4, DNMT3L, and H2AX. The most relevant biological processes obtained from the network included chromatin organization (FDR 9.04×10-9) and histone modification (FDR 9.04×10-9). Conclusions: In skeletal muscle, after aerobic training, there is overexpression of genes associated with the modification of the chromatin through alterations in histones and DNA, resulting in epigenetic transcriptional changes.
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Chuang T, Lien C, Tsai Y, Lin K, Hsu C, Wu W, Su L, Lu C, Wu C. Oral treatment with the Chinese herbal supplements B307 enhances muscle endurance of ICR mice after exhaustive swimming via suppressing fatigue, oxidative stress, and inflammation. Food Sci Nutr 2020; 8:3682-3691. [PMID: 32724631 PMCID: PMC7382157 DOI: 10.1002/fsn3.1652] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/03/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
Exhaustive exercise may damage muscles due to oxidative stress and inflammation and cause muscle fatigue and soreness. The study investigated the effects of Chinese herbal supplements (CHS) B307 on muscle endurance after exhaustive swimming (ES). Thirty-two male ICR mice were randomly divided into 4 groups: Sham + ES, pretreatment of CHS B307 + ES (Pre + ES), post-treatment of CHS B307 + ES (Post + ES), and dual treatment of CHS B307 + ES (Dual + ES). All mice were subjected to ES in the form of a forced swimming test. Then, we compared ES time (EST) as the index of muscular endurance. Also, we examined the fatigue, oxidative stress, inflammation, and damage in the muscle tissue among these groups by using immunohistochemistry (IHC), chemiluminescence, and biochemical analysis. Our results revealed that those mice of Pre + ES and Dual + ES groups had remarkably better EST than those mice of Sham + ES and Post + ES groups. Those mice with oral treatment of CHS B307(Pre + ES, Post + ES, and Dual + ES groups) showed significantly reduced leukocyte counts in the urine, and reduced levels of reactive oxygen species (ROS), neutrophils, and lactic acid in the blood than those mice of Sham + ES. In addition, those mice with oral treatment of CHS B307 (Pre + ES, Post + ES, and Dual + ES groups) showed significant alleviation of oxidative stress, inflammation, and damage in the muscle tissue than those mice of Sham + ES. Thus, we suggested that CHS B307 can be a functional sports supplement because it can enhance muscle endurance after exhaustive swimming via suppressing fatigue, oxidative stress, and inflammation.
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Affiliation(s)
- Tai‐Yuan Chuang
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
- Department of AthleticsNational Taiwan UniversityTaipei CityTaiwan
| | - Chia‐Ying Lien
- Department of AthleticsNational Taiwan UniversityTaipei CityTaiwan
| | - Ya‐Chun Tsai
- Department of Physical EducationNational Tsing Hua UniversityHsinchu CityTaiwan
| | - Kuei‐Fu Lin
- Department of Physical EducationNational Tsing Hua UniversityHsinchu CityTaiwan
| | - Chih‐Hsiang Hsu
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
| | - Wan‐Jhen Wu
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
| | - Li‐Yu Su
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
| | - Chen‐Wen Lu
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
| | - Chung‐Hsin Wu
- School of Life ScienceNational Taiwan Normal UniversityTaipei CityTaiwan
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Gagnon DD, Dorman S, Ritchie S, Mutt SJ, Stenbäck V, Walkowiak J, Herzig KH. Multi-Day Prolonged Low- to Moderate-Intensity Endurance Exercise Mimics Training Improvements in Metabolic and Oxidative Profiles Without Concurrent Chromosomal Changes in Healthy Adults. Front Physiol 2019; 10:1123. [PMID: 31551806 PMCID: PMC6733972 DOI: 10.3389/fphys.2019.01123] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 08/14/2019] [Indexed: 01/12/2023] Open
Abstract
Background Oxidative stress results in lipid, protein, and DNA oxidation, resulting in telomere erosion, chromosomal damage, and accelerated cellular aging. Training promotes healthy metabolic and oxidative profiles whereas the effects of multi-day, prolonged, and continuous exercise are unknown. This study investigated the effects of multi-day prolonged exercise on metabolic and oxidative stress as well as telomere integrity in healthy adults. Methods Fifteen participants performed a 14-day, 260-km, wilderness canoeing expedition (12 males) (EXP) (24 ± 7 years, 72 ± 6 kg, 178 ± 8.0 cm, 18.4 ± 8.4% BF, 47.5 ± 9.3 mlO2 kg–1 min–1), requiring 6–9 h of low- to moderate-intensity exercise daily. Ten controls participated locally (seven males) (CON) (31 ± 11 years, 72 ± 15 kg, 174 ± 10 cm, 22.8 ± 10.0% BF, 47.1 ± 9.0 mlO2 kg–1 min–1). Blood plasma, serum, and mononuclear cells were sampled before and after the expedition to assess hormonal, metabolic, and oxidative changes. Results Serum cholesterol, high- and low-density lipoprotein, testosterone, insulin, sodium, potassium, urea, and chloride concentrations were not different between groups, whereas triglycerides, glucose, and creatinine levels were lower following the expedition (p < 0.001). Malondialdehyde and relative telomere length (TL) were unaffected (EXP: 4.2 ± 1.3 vs. CON: 4.1 ± 0.7 μM; p > 0.05; EXP: 1.00 ± 0.48 vs. CON: 0.89 ± 0.28 TS ratio; p = 0.77, respectively); however, superoxidase dismutase activity was greater in the expedition group (3.1 ± 0.4 vs. 0.8 ± 0.5 U ml–1; p < 0.001). Conclusion These results indicate a modest improvement in metabolic and oxidative profiles with increased superoxidase dismutase levels, suggesting an antioxidative response to counteract the exercise-associated production of free radicals and reactive oxygen species during prolonged exercise, mimicking the effects from long-term training. Although improved antioxidant activity may lead to increased TL, the present exercise stimulus was insufficient to promote a positive cellular aging profile with concordant chromosomal changes in our healthy and young participants.
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Affiliation(s)
- Dominique D Gagnon
- Laboratory of Environmental Exercise Physiology, School of Human Kinetics, Laurentian University, Sudbury, ON, Canada.,Center of Research in Occupational Safety and Health, Laurentian University, Sudbury, ON, Canada
| | - Sandra Dorman
- Laboratory of Environmental Exercise Physiology, School of Human Kinetics, Laurentian University, Sudbury, ON, Canada.,Center of Research in Occupational Safety and Health, Laurentian University, Sudbury, ON, Canada.,Northern Ontario School of Medicine, Sudbury, ON, Canada
| | - Stephen Ritchie
- Laboratory of Environmental Exercise Physiology, School of Human Kinetics, Laurentian University, Sudbury, ON, Canada.,Center of Research in Occupational Safety and Health, Laurentian University, Sudbury, ON, Canada
| | - Shivaprakash Jagalur Mutt
- Research Unit of Biomedicine, Department of Physiology and Biocenter of Oulu, University of Oulu, Oulu, Finland.,Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Ville Stenbäck
- Research Unit of Biomedicine, Department of Physiology and Biocenter of Oulu, University of Oulu, Oulu, Finland.,Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Jarosław Walkowiak
- Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznań, Poland
| | - Karl-Heinz Herzig
- Research Unit of Biomedicine, Department of Physiology and Biocenter of Oulu, University of Oulu, Oulu, Finland.,Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland.,Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznań, Poland
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α-Tocopherol Protects the Heart, Muscles, and Testes from Lipid Peroxidation in Growing Male Rats Subjected to Physical Efforts. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8431057. [PMID: 33927795 PMCID: PMC8051519 DOI: 10.1155/2019/8431057] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 05/05/2019] [Accepted: 06/27/2019] [Indexed: 12/30/2022]
Abstract
The effect of α-tocopherol supplementation on adaptation to training is still equivocal. The aim of the study was to determine the effect of training and α-tocopherol supplementation on α-tocopherol and thiobarbituric acid reactive substance (TBARS) concentration in the rat liver, heart, muscles, and testes. Male Wistar rats (n = 32) were divided into four groups (nonsupplemented, not trained—C; nonsupplemented, trained—CT; supplemented, not trained—E; supplemented and trained—ET). During the 14-day experimental period, 2 mg/d of vitamin E as α-tocopherol acetate was administered to the animals (groups E and ET). Rats in the training group (CT and ET) were subjected to 15 minutes of treadmill running each day. The α-tocopherol levels in rat tissues were assessed using high-performance liquid chromatography (HPLC). Lipid peroxides were determined by TBARS spectrophotometric method. α-Tocopherol had a significant impact on α-tocopherol concentration in all tissues. Training increased the α-tocopherol concentration in the heart and muscles but reduced it in the liver. Training also caused increased lipid peroxidation in the muscles, heart, and testes; but a higher α-tocopherol content in tissues reduced the TBARS level. The main finding of the study is that impaired α-tocopherol status and its adequate intake is needed to maintain optimal status to prevent damage to the skeletal and cardiac muscles as well as the testes in growing individuals.
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Ghanbari-Niaki A, Saeidi A, Kolahdouzi S, Aliakbari-Baydokhty M, Ardeshiri S, Abderrahman A, Rhibi F, Malekian F, Zouhal H. Effect of Crocus Sativus Linnaeus (saffron) supplementations combined with circuit resistance training on total creatine kinase, lactate dehydrogenase and creatine kinase MB levels in young untrained men. Sci Sports 2019. [DOI: 10.1016/j.scispo.2018.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Baghaiee B, Botelho Teixeira A, Tartibian B. Moderate aerobic exercise increases SOD-2 gene expression and decreases leptin and malondialdehyde in middle-aged men. Sci Sports 2016. [DOI: 10.1016/j.scispo.2015.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Ketkar S, Rathore A, Kandhare A, Lohidasan S, Bodhankar S, Paradkar A, Mahadik K. Alleviating exercise-induced muscular stress using neat and processed bee pollen: oxidative markers, mitochondrial enzymes, and myostatin expression in rats. Integr Med Res 2015; 4:147-160. [PMID: 28664121 PMCID: PMC5481795 DOI: 10.1016/j.imr.2015.02.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 01/16/2015] [Accepted: 02/17/2015] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND The current study was designed to investigate the influence of monofloral Indian mustard bee pollen (MIMBP) and processed monofloral Indian mustard bee pollen (PMIMBP) supplementation on chronic swimming exercise-induced oxidative stress implications in the gastrocnemius muscle of Wistar rats. METHODS MIMBP was processed with an edible lipid-surfactant mixture (Captex 355:Tween 80) to increase the extraction of polyphenols and flavonoid aglycones as analyzed by UV spectroscopy and high performance liquid chromatography-photo diode array. Wistar rats in different groups were fed with MIMBP or PMIMBP supplements at a dose of 100 mg/kg, 200 mg/kg and 300 mg/kg individually, while being subjected to chronic swimming exercise for 4 weeks (5 d/wk). Various biochemical [superoxide dismutase (SOD), glutathione (GSH), malonaldehyde (MDA), nitric oxide (NO), and total protein content], mitochondrial (Complex I, II, III, and IV enzyme activity), and molecular (myostatin mRNA expression) parameters were monitored in the gastrocnemius muscle of each group. RESULTS Administration of both MIMBP (300 mg/kg) and PMIMBP (100 mg/kg, 200 mg/kg, and 300 mg/kg) wielded an antioxidant effect by significantly improving SOD, GSH, MDA, NO, and total protein levels. Further MIMBP (300 mg/kg) and PMIMBP (200 mg/kg and 300 mg/kg) significantly improved impaired mitochondrial Complex I, II, III, and IV enzyme activity. Significant down-regulation of myostatin mRNA expression by MIMBP (300 mg/kg) and PMIMBP (200 mg/kg and 300 mg/kg) indicates a muscle protectant role in oxidative stress conditions. CONCLUSION The study establishes the antioxidant, mitochondrial upregulatory, and myostatin inhibitory effects of both MIMBP and PMIMBP in exercise-induced oxidative stress conditions, suggesting their usefulness in effective management of exercise-induced muscular stress. Further, processing of MIMBP with an edible lipid-surfactant mixture was found to improve the therapeutic efficiency of pollen.
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Affiliation(s)
- Sameer Ketkar
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
| | - Atul Rathore
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
| | - Amit Kandhare
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
| | - Sathiyanarayanan Lohidasan
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
| | - Subhash Bodhankar
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
| | - Anant Paradkar
- Centre for Pharmaceutical Engineering Sciences, University of Bradford, West Yorkshire, United Kingdom
| | - Kakasaheb Mahadik
- Centre for Advanced Research in Pharmaceutical Sciences, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, India
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Thirumalai T, David E, Viviyan TS, Elumalai EK. Effect of Solanum surattense seed on the oxidative potential of cauda epididymal spermatozoa. Asian Pac J Trop Biomed 2015; 2:21-3. [PMID: 23569828 DOI: 10.1016/s2221-1691(11)60183-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Revised: 06/27/2011] [Accepted: 07/03/2011] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To evaluate the effect of aqueous seed extract of Solanum surattense (S. surattense) on the oxidative potential of cauda epididymal spermatozoa. METHODS S. surattense seed extract was orally administered at the dosage of 10 mg/kg b.w. for 15 days, after which aspartate transferase (AST), alanine transferase (ALT), glutamate dehydrogenase (GDH), citric acid and iso-citrate dehydrogenase (ICDH) were assayed. RESULTS The activity levels of the enzymes AST and ALT, which are considered to be the androgenicity in the sperm suspension, were depleted in the extract fed rats. The activity level of the enzyme ICDH, was reduced significantly in the treated group (P<0.001). CONCLUSIONS It can be concluded that the oral administration of the aqueous seed extract of S. surattense can deplete the oxidative stress of cauda epididymal spermatozoa in albino rats.
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Affiliation(s)
- T Thirumalai
- Post Graduate and Research Department of Zoology, Voorhees College, Physiology Wing, Vellore-632 001, Tamilnadu, India
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Popovic LM, Mitic NR, Miric D, Bisevac B, Miric M, Popovic B. Influence of vitamin C supplementation on oxidative stress and neutrophil inflammatory response in acute and regular exercise. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:295497. [PMID: 25802681 PMCID: PMC4352897 DOI: 10.1155/2015/295497] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 01/29/2015] [Accepted: 02/12/2015] [Indexed: 01/13/2023]
Abstract
Exercise induces a multitude of physiological and biochemical changes in blood affecting its redox status. Tissue damage resulting from exercise induces activation of inflammatory cells followed by the increased activity of myeloperoxidase (MPO) in circulation. Vitamin C readily scavenges free radicals and may thereby prevent oxidative damage of important biological macromolecules. The aim of this study was to examine the effect of vitamin C supplementation on oxidative stress and neutrophil inflammatory response induced by acute and regular exercise. Experiment was conducted on acute exercise group (performing Bruce Treadmill Protocol (BTP)) and regular training group. Markers of lipid peroxidation, malondialdehyde (MDA), MPO activity, and vitamin C status were estimated at rest and after BTP (acute exercise group) and before and after vitamin C supplementation in both groups. Our results showed increased postexercise Asc in serum independently of vitamin supplementation. They also showed that vitamin C can significantly decrease postexercise MDA level in both experimental groups. Increased postexercise MPO activity has been found in both groups and was not affected by vitamin C supplementation. We concluded that vitamin C supplementation can suppress lipid peroxidation process during exercise but cannot affect neutrophil inflammatory response in either exercise group.
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Affiliation(s)
- Ljiljana M. Popovic
- Institute of Pathophysiology, Medical Faculty Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Nebojsa R. Mitic
- Institute of Pathophysiology, Medical Faculty Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Dijana Miric
- Institute of Biochemistry, Medical Faculty Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Boban Bisevac
- Institute of Physiology, Medical Faculty Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Mirjana Miric
- Institute of Pathophysiology, Medical Faculty Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Brankica Popovic
- Department of Informatics and Computer Sciences, Academy of Criminalistic and Police Studies, Cara Dusana 196, 11080 Belgrade, Serbia
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Filaire E, Dupuis C, Galvaing G, Aubreton S, Laurent H, Richard R, Filaire M. Lung cancer: what are the links with oxidative stress, physical activity and nutrition. Lung Cancer 2013; 82:383-9. [PMID: 24161719 DOI: 10.1016/j.lungcan.2013.09.009] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 09/14/2013] [Accepted: 09/16/2013] [Indexed: 01/15/2023]
Abstract
Oxidative stress appears to play an essential role as a secondary messenger in the normal regulation of a variety of physiological processes, such as apoptosis, survival, and proliferative signaling pathways. Oxidative stress also plays important roles in the pathogenesis of many diseases, including aging, degenerative disease, and cancer. Among cancers, lung cancer is the leading cause of cancer in the Western world. Lung cancer is the commonest fatal cancer whose risk is dependent on the number of cigarettes smoked per day as well as the number of years smoking, some components of cigarette smoke inducing oxidative stress by transmitting or generating oxidative stress. It can be subdivided into two broad categories, small cell lung cancer and non-small-cell lung cancer, the latter is the most common type. Distinct measures of primary and secondary prevention have been investigated to reduce the risk of morbidity and mortality caused by lung cancer. Among them, it seems that physical activity and nutrition have some beneficial effects. However, physical activity can have different influences on carcinogenesis, depending on energy supply, strength and frequency of exercise loads as well as the degree of exercise-mediated oxidative stress. Micronutrient supplementation seems to have a positive impact in lung surgery, particularly as an antioxidant, even if the role of micronutrients in lung cancer remains controversial. The purpose of this review is to examine lung cancer in relation to oxidative stress, physical activity, and nutrition.
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Affiliation(s)
- Edith Filaire
- Laboratoire CIAMS, EA4532, Université Paris-Sud, Université Orléans, UFRSTAPS, 2 allée du Château, 45067 Orleans, France
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12
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Bhagya D, Prema L, Rajamohan T. Therapeutic effects of tender coconut water on oxidative stress in fructose fed insulin resistant hypertensive rats. ASIAN PAC J TROP MED 2012; 5:270-6. [PMID: 22449517 DOI: 10.1016/s1995-7645(12)60038-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Revised: 12/15/2011] [Accepted: 01/15/2012] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE To investigate whether tender coconut water (TCW) mitigates oxidative stress in fructose fed hypertensive rats. METHODS Male Sprague Dawley rats were fed with fructose rich diet and treated with TCW (4 mL/100 g of body weight) for 3 subsequent weeks. Systolic blood pressure was measured every three days using the indirect tail cuff method. At the end of the experimental period, plasma glucose and insulin, serum triglycerides and free fatty acids, lipid peroxidation markers (MDA, hydroperoxides and conjugated dienes) and the activities of antioxidant enzymes were analyzed in all the groups. RESULTS Treatment with TCW significantly lowered the systolic blood pressure and reduced serum triglycerides and free fatty acids. Plasma glucose and insulin levels and lipid peroxidation markers such as MDA, hydroperoxides and conjugated dienes were significantly reduced in fructose fed rats treated with TCW. Activities of antioxidant enzymes are up regulated significantly in TCW treated rats. Histopathological analysis of liver showed that TCW treatment reduced the lipid accumulation and inflammatory infiltration without any significant hepatocellular damage. CONCLUSIONS The overall results suggest that, TCW treatment could prevent and reverse high blood pressure induced by high fructose diet probably by inhibition of lipid peroxidation, upregulation of antioxidant status and improved insulin sensitivity.
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Affiliation(s)
- D Bhagya
- Department of Biochemistry, University of Kerala, Kariavattom Campus, Kerala, Trivandrum, 695581, India
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Filaire E, Toumi H. Reactive oxygen species and exercise on bone metabolism: friend or enemy? Joint Bone Spine 2012; 79:341-6. [PMID: 22578961 DOI: 10.1016/j.jbspin.2012.03.007] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2011] [Accepted: 03/21/2012] [Indexed: 12/31/2022]
Abstract
Reactive oxygen species (ROS) are well recognised for playing a dual role as both deleterious and beneficial species. They are normally generated by tightly regulated enzymes. ROS overproduction arises either from mitochondrial electron transport chain or excessive stimulation of NAD(P)H resulting in oxidative stress, a deleterious process that can be an important mediator of damage to cell structures (lipids, membranes, proteins, and DNA). However, ROS could have a beneficial affect at low/moderate concentrations. Physiological roles in cellular responses to noxia have been reported, in defence against infectious agents, in the function of a number of cellular signalling pathways, and the induction of a mitogenic response. The role of ROS in bone metabolism is dual. It is a key modulator of bone cell function and also implicated in the pathophysiology of mineral tissues. Elevated production of ROS and/or depletion of antioxidants have also been observed in a variety of pathological conditions, including inflammatory joint diseases. Performing physical exercise is associated with numerous health benefits, playing a role especially in the prevention of bone loss. However, the production of ROS increases during demanding exercise. To explore this further, the aim of the present review was to examine bone remodelling in relation to oxidative stress and exercise.
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Affiliation(s)
- Edith Filaire
- EA4532, laboratoire CIAMS, université Paris-Sud, université Orléans, UFRSTAPS, 2, allée du Château, 45067 Orléans cedex, France.
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Ansil PN, Nitha A, Prabha SP, Wills PJ, Jazaira V, Latha MS. Protective effect of Amorphophallus campanulatus (Roxb.) Blume. tuber against thioacetamide induced oxidative stress in rats. ASIAN PAC J TROP MED 2012; 4:870-7. [PMID: 22078949 DOI: 10.1016/s1995-7645(11)60211-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2011] [Revised: 09/15/2011] [Accepted: 10/15/2011] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE To identify the phytochemical constituents of Amorphophallus campanulatus (A. campanulatus) tuber and to evaluate its antioxidant potential through in vitro and in vivo models. METHODS Phytochemical screening and in vitro antioxidant activities of A. campanulatus tuber n-hexane extract (ACHE) and methanolic extract (ACME) were evaluated using DPPH, hydroxyl radical, reducing power and total antioxidant capacity assays. The total phenolic and flavonoid contents were also investigated. The protective potential of two different doses of ACME (125 and 250 mg/kg) was also evaluated against thioacetamide (TAA) induced oxidative stress in rats. Silymarin used as a standard drug control. Hepatotoxicity was assessed by quantifying the serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and lactate dehydrogenase (LDH). The antioxidant potential of ACME were also evaluated by the estimation of catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), glutathione-S-transferase (GST), reduced glutathione (GSH) and lipid peroxidation (Thiobarbituric acid reactive substances) in hepatic and renal tissues. Histopathologic changes of liver were also evaluated. RESULTS In vitro studies revealed that ACME has higher antioxidant and radical scavenging activity than ACHE, which may be attributed to its higher phenolic and flavonoid content. ACME significantly prevented the elevation of serum AST, ALT, ALP, LDH, and tissue malondialdehyde levels(P < 0.05). Hepatic and renal GSH, GST, GR, GPx, and catalase levels were remarkably increased by the treatment with the extract. Quantification of histopathological changes also supported the dose dependent protective effects of ACME. CONCLUSIONS The results do suggest that A. campanulatus tuber could be considered as a potential source of natural antioxidant.
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Affiliation(s)
- Puthuparampil Nazarudeen Ansil
- Biochemistry and Pharmacognosy Research Laboratory, School of Biosciences, M. G. University, P.D. Hills. P.O, Kottayam, Kerala-686560, India
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In vitro evaluation of antimicrobial and antioxidant activities of methanolic extract of Jasminum humile leaves. ASIAN PAC J TROP MED 2012; 4:804-7. [PMID: 22014737 DOI: 10.1016/s1995-7645(11)60198-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Revised: 05/18/2011] [Accepted: 06/15/2011] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To evaluate in vitro antimicrobial and antioxidant activities of methanolic extract of Jasminum humile (J. humile) leaves extract. METHOD Methanolic extract of J. humile was evaluated for its antimicrobial activity by using agar well diffusion method & their possible antioxidant assay by two complementary test systems, namely DPPH and hydrogen peroxide scavenging activity. These various antioxidant activities were compared to standard antioxidants such as ascorbic acid for both the tests. RESULTS In the DPPH & hydrogen peroxide scavenging activity, the IC(50) value of methanol extract was 70.43 μg/mL & 60.79 μg/mL respectively. Further, the extract showed inhibitory activity for Gram-positive and negative bacteria at different concentrations. The maximum antibacterial activity of extract was exhibited against Staphylococcus aureus (S. aureus) at concentration 50 mg/mL when compared with ciprofloxacin CONCLUSIONS These results clearly indicate that J. humile is effective in scavenging free radicals and has the potential to be a powerful antioxidant. Thus, the results obtained in the present study indicate that J. humile leaves extract could be considered as a potential source of natural antioxidants and that could be used as an effective source against bacterial diseases.
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Eesha BR, Mohanbabu Amberkar V, Meena Kumari K, Sarath B, Vijay M, Lalit M, Rajput R. Hepatoprotective activity of Terminalia paniculata against paracetamol induced hepatocellular damage in Wistar albino rats. ASIAN PAC J TROP MED 2012; 4:466-9. [PMID: 21771700 DOI: 10.1016/s1995-7645(11)60127-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 03/27/2011] [Accepted: 04/15/2011] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE To evaluate the hepatoprotective activity of Terminalia paniculata against paracetamol induced hepatic damage in rats. METHODS The plant material was shade dried, powdered and extracted with ethanol. Liv 52 and silymarin were used as standard drugs and 2% gum acacia as a control (vehicle). Alteration in the levels of biochemical markers of hepatic damage like AST, ALT, ALP and lipid peroxides were tested, and phytochemical tests were also performed. RESULTS Paracetamol (2 g/kg) increased the serum levels of alanine aminotransfer (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP) and the lipid peroxides. Treatment of Liv 52, silymarin and ethanolic extract of Terminalia paniculata (200 mg/kg) altered levels of biochemical marker and showed significant hepatoprotective activity. Ethanolic extract revealed the presence of phenolic compound and flavanoids. Our findings suggested that ethanolic bark extract of Terminalia paniculata possessed hepatoprotective activity in a dose dependent manner. CONCLUSIONS Terminalia paniculata possesses hepatoprotective activity. It could be an effective and promising preventive agent against PCT induced hepatotoxicity.
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Affiliation(s)
- B R Eesha
- Department of Pharmacology, Kasturba Medical College, Manipal University, Karnataka, India
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Protective effects of Phyllanthus acidus (L.) Skeels leaf extracts on acetaminophen and thioacetamide induced hepatic injuries in Wistar rats. ASIAN PAC J TROP MED 2012; 4:470-4. [PMID: 21771701 DOI: 10.1016/s1995-7645(11)60128-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Revised: 04/11/2011] [Accepted: 05/15/2011] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To investigate and compare the hepatoprotective effects of crude ethanolic and aqueous extracts of Phyllanthus acidus (L.) Skeels (P. acidus) leaves on acetaminophen (APAP) and thioacetamide (TAA) induced liver toxicity in wistar rats. Silymarin was the reference hepatoprotective agent. METHODS In two different sets of experiments, the P. acidus extracts (200 and 400 mg/kg, body weight) and silymarin (100 mg/kg, body weight) were given orally for 7 days and a single dose of APAP (2 g/kg, per oral) or TAA (100 mg/kg, subcutaneous) were given to rats. The level of serum aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), total bilirubin and total protein were monitored to assess hepatotoxicity and hepatoprotection. RESULTS APAP or TAA administration caused severe hepatic damage in rats as evident from significant rise in serum AST, ALT, ALP, total bilirubin and concurrent depletion in total serum protein. The P. acidus extracts and silymarin prevented the toxic effects of APAP or TAA on the above serum parameters indicating the hepatoprotective action. The aqueous extract was found to be more potent than the corresponding ethanolic extract against both toxicants. The phenolic and flavonoid content (175.02±4.35 and 74.68±1.28, respectively) and 2,2-diphenyl-1-picrylhydrazil (DPPH) [IC(50) = (33.2±0.31)μg/mL] scavenging potential was found maximum with aqueous extract as compared to ethanolic extract. CONCLUSIONS The results of present study suggests that the aqueous extract of P. acidus leaves has significant hepatoprotective activity on APAP and TAA induced hepatotoxicity, which might be associate with its high phenolic and flavonoid content and antioxidant properties.
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Chakraborty SP, KarMahapatra S, Das S, Roy S. Alteration of some cellular function in amikacin resistant Pseudomonas aeruginosa transfected macrophages: a time dependent approach. Asian Pac J Trop Biomed 2011; 1:482-7. [PMID: 23569818 PMCID: PMC3614218 DOI: 10.1016/s2221-1691(11)60105-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2011] [Revised: 04/15/2011] [Accepted: 04/28/2011] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate the free radical generation and antioxidant enzymes status in murine peritoneal macrophage during in vitro amikacin resistant Pseudomonas aeruginosa (ARPA) treatment with different time interval. METHODS Peritoneal macrophages were treated with 1×10(8) CFU/mL ARPA cell suspension in vitro for different time interval (1, 2, 3, 6, 12, and 24 h) and super oxide anion generation, NO generation, reduced glutathione level and antioxidant enzymes status were analyzed. RESULTS Super oxide anion generation and NO generation got peak at 12 h, indicating maximal free radical generation through activation of NADPH oxidase in murine peritoneal macrophages during ARPA transfection. Reduced glutathione level and antioxidant enzymes status were decreased significantly (P<0.05) with increasing time of ARPA transfection. All the changes in peritoneal macrophages after 12 h in vitro ARPA transfection had significant difference (P<0.05). CONCLUSIONS From this study, it may be summarized that in vitro ARPA infection not only generates excess free radical but also affects the antioxidant system and glutathione cycle in murine peritoneal macrophage.
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Affiliation(s)
| | | | | | - Somenath Roy
- Immunology and Microbiology Laboratory, Department of Human Physiology with Community Health, Vidyasagar University, Midnapore-721 102, West Bengal, India
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Sajeesh T, Arunachalam K, Parimelazhagan T. Antioxidant and antipyretic studies on Pothos scandens L. ASIAN PAC J TROP MED 2011; 4:889-99. [DOI: 10.1016/s1995-7645(11)60214-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 08/15/2011] [Accepted: 08/15/2011] [Indexed: 10/15/2022] Open
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Adewusi EA, Steenkamp V. In vitro screening for acetylcholinesterase inhibition and antioxidant activity of medicinal plants from southern Africa. ASIAN PAC J TROP MED 2011; 4:829-35. [DOI: 10.1016/s1995-7645(11)60203-4] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Revised: 08/01/2011] [Accepted: 09/15/2011] [Indexed: 12/01/2022] Open
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Basma AA, Zakaria Z, Latha LY, Sasidharan S. Antioxidant activity and phytochemical screening of the methanol extracts of Euphorbia hirta L. ASIAN PAC J TROP MED 2011; 4:386-90. [PMID: 21771682 DOI: 10.1016/s1995-7645(11)60109-0] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 03/27/2011] [Accepted: 04/02/2011] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVE To assess antioxidant activities of different parts of Euphorbia hirta (E. hirta), and to search for new sources of safe and inexpensive antioxidants. METHODS Samples of leaves, stems, flowers and roots from E. hirta were tested for total phenolic content, and flavonoids content and in vitro antioxidant activity by diphenyl-1-picrylhydrazyl (DPPH) assay and reducing power was measured using cyanoferrate method. RESULTS The leaves extract exhibited a maximum DPPH scavenging activity of (72.96±0.78)% followed by the flowers, roots and stems whose scavenging activities were (52.45±0.66)%, (48.59±0.97)%, and (44.42±0.94)%, respectively. The standard butylated hydroxytoluene (BHT) was (75.13±0.75)%. The IC(50) for leaves, flowers, roots, stems and BHT were 0.803, 0.972, 0.989, 1.358 and 0.794 mg/mL, respectively. The reducing power of the leaves extract was comparable with that of ascorbic acid and found to be dose dependent. Leaves extract had the highest total phenolic content [(206.17±1.95) mg GAE/g], followed by flowers, roots and stems extracts which were (117.08±3.10) mg GAE/g, (83.15±1.19) mg GAE/g, and (65.70±1.72) mg GAE/g, respectively. On the other hand, total flavonoids content also from leave had the highest value [(37.970±0.003) mg CEQ/g], followed by flowers, roots and stems extracts which were (35.200±0.002) mg CEQ/g, (24.350±0.006) mg CEQ/g, and (24.120±0.004) mg CEQ/g, respectively. HPTLC bioautography analysis of phenolic and antioxidant substance revealed phenolic compounds. Phytochemical screening of E. hirta leaf extract revealed the presence of reducing sugars, terpenoids, alkaloids, steroids, tannins, flavanoids and phenolic compounds. CONCLUSIONS These results suggeste that E. hirta have strong antioxidant potential. Further study is necessary for isolation and characterization of the active antioxidant agents, which can be used to treat various oxidative stress-related diseases.
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Affiliation(s)
- Abu Arra Basma
- Biology Division, School of Distance Education, Universiti Sains Malaysia, USM 11800, Pulau Pinang, Malaysia
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Evaluation of phytochemical and antioxidant activities of the different fractions of Hybanthus enneaspermus (Linn.) F. Muell. (Violaceae). ASIAN PAC J TROP MED 2011; 4:391-6. [DOI: 10.1016/s1995-7645(11)60110-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2011] [Revised: 03/27/2011] [Accepted: 04/02/2011] [Indexed: 11/24/2022] Open
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