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Jacob SM, Lee S, Kim SH, Sharkey KA, Pfeffer G, Nguyen MD. Brain-body mechanisms contribute to sexual dimorphism in amyotrophic lateral sclerosis. Nat Rev Neurol 2024; 20:475-494. [PMID: 38965379 DOI: 10.1038/s41582-024-00991-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2024] [Indexed: 07/06/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is the most common form of human motor neuron disease. It is characterized by the progressive degeneration of upper and lower motor neurons, leading to generalized motor weakness and, ultimately, respiratory paralysis and death within 3-5 years. The disease is shaped by genetics, age, sex and environmental stressors, but no cure or routine biomarkers exist for the disease. Male individuals have a higher propensity to develop ALS, and a different manifestation of the disease phenotype, than female individuals. However, the mechanisms underlying these sex differences remain a mystery. In this Review, we summarize the epidemiology of ALS, examine the sexually dimorphic presentation of the disease and highlight the genetic variants and molecular pathways that might contribute to sex differences in humans and animal models of ALS. We advance the idea that sexual dimorphism in ALS arises from the interactions between the CNS and peripheral organs, involving vascular, metabolic, endocrine, musculoskeletal and immune systems, which are strikingly different between male and female individuals. Finally, we review the response to treatments in ALS and discuss the potential to implement future personalized therapeutic strategies for the disease.
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Affiliation(s)
- Sarah M Jacob
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sukyoung Lee
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Cell Biology and Anatomy, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Seung Hyun Kim
- Department of Neurology, Hanyang University Hospital, Seoul, South Korea
| | - Keith A Sharkey
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Gerald Pfeffer
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
| | - Minh Dang Nguyen
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
- Department of Cell Biology and Anatomy, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
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Pfeifer GP, Jin SG. Methods and applications of genome-wide profiling of DNA damage and rare mutations. Nat Rev Genet 2024:10.1038/s41576-024-00748-4. [PMID: 38918545 DOI: 10.1038/s41576-024-00748-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2024] [Indexed: 06/27/2024]
Abstract
DNA damage is a threat to genome integrity and can be a cause of many human diseases, owing to either changes in the chemical structure of DNA or conversion of the damage into a mutation, that is, a permanent change in DNA sequence. Determining the exact positions of DNA damage and ensuing mutations in the genome are important for identifying mechanisms of disease aetiology when characteristic mutations are prevalent and probably causative in a particular disease. However, this approach is challenging particularly when levels of DNA damage are low, for example, as a result of chronic exposure to environmental agents or certain endogenous processes, such as the generation of reactive oxygen species. Over the past few years, a comprehensive toolbox of genome-wide methods has been developed for the detection of DNA damage and rare mutations at single-nucleotide resolution in mammalian cells. Here, we review and compare these methods, describe their current applications and discuss future research questions that can now be addressed.
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Affiliation(s)
- Gerd P Pfeifer
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA.
| | - Seung-Gi Jin
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
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3
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Supanta J, Brown JL, Bansiddhi P, Thitaram C, Punyapornwithaya V, Punturee K, Towiboon P, Somboon N, Khonmee J. Physiological changes in captive elephants in northern Thailand as a result of the COVID-19 tourism ban-stress biomarkers. Front Vet Sci 2024; 11:1351361. [PMID: 38406629 PMCID: PMC10884277 DOI: 10.3389/fvets.2024.1351361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/22/2024] [Indexed: 02/27/2024] Open
Abstract
The international travel ban instituted by the Thai government in March 2020 in response to the COVID-19 pandemic greatly affected how tourist camp elephants were managed, with reductions in exercise opportunities, longer chaining hours, and diminished food provisioning. This study was conducted to determine how those changes affected health and welfare biomarkers in individual elephants over the 2 years of the countrywide lockdown (April 2020-April 2022). Blood and fecal samples were collected from 58 elephants at six camps (monthly in Year 1, quarterly in Year 2) and analyzed for stress biomarkers - fecal glucocorticoid metabolites (fGCM), serum oxidative stress [malondialdehyde (MDA) and 8-hydroxy-2'-deoxyguanosine (8-OHdG)], and stress leukograms. Overall, fGCM concentrations increased within the first few months and remained higher than pre-COVID levels, as did the H/L ratio, a measure affected by cortisol. Serum 8-OHdG, an indicator of DNA oxidative damage, also increased over time, while monocytosis and lymphopenia further suggested alterations in immune function as a result of stress. By contrast, another marker of oxidative stress, serum MDA, declined, possibly in response to reduced roughage and supplement intake. A notable finding was a seasonal pattern of fGCM that was significantly different from previous studies. Whereas higher fGCM during the rainy season were observed in this study, previously, concentrations were highest during the winter, high tourist season. Thus, ironically, both the presence and absence of tourists have been associated with increased fGCM concentrations, albeit for different reasons. Camp management factors negatively affecting stress outcomes included shorter chain lengths, longer chain hours, lack of exercise, and reduced roughage and supplements. Overall, it was clear that camps struggled to maintain adequate care for elephants during the COVID-19 pandemic, highlighting the importance of tourist income and need for contingency plans to cope with potential future disruptions to tourism.
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Affiliation(s)
- Jarawee Supanta
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
| | - Janine L. Brown
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
- Elephant, Wildlife, and Companion Animals Research Group, Chiang Mai University, Chiang Mai, Thailand
- Smithsonian Conservation Biology Institute, Center for Species Survival, Front Royal, VA, United States
| | - Pakkanut Bansiddhi
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
- Elephant, Wildlife, and Companion Animals Research Group, Chiang Mai University, Chiang Mai, Thailand
| | - Chatchote Thitaram
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
- Elephant, Wildlife, and Companion Animals Research Group, Chiang Mai University, Chiang Mai, Thailand
| | | | - Khanittha Punturee
- Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Patcharapa Towiboon
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
| | - Nopphamas Somboon
- Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Jaruwan Khonmee
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Elephant and Wildlife Health, Chiang Mai University Animal Hospital, Chiang Mai University, Chiang Mai, Thailand
- Elephant, Wildlife, and Companion Animals Research Group, Chiang Mai University, Chiang Mai, Thailand
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Wang D, Liang Q, Tai D, Wang Y, Hao H, Liu Z, Huang L. Association of urinary arsenic with the oxidative DNA damage marker 8-hydroxy-2 deoxyguanosine: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166600. [PMID: 37659570 DOI: 10.1016/j.scitotenv.2023.166600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
BACKGROUND The International Agency for Research on Cancer has classified arsenic as a class I carcinogen. Oxidative DNA damage is a typical early precursor to recognized malignancies. The most sensitive early independent marker of oxidative DNA damage is believed to be 8-hydroxy-2 deoxyguanosine (8-OHdG). To date, research on the link between urinary arsenic and 8-OHdG has not been consistent. OBJECTIVE This study was aimed at exploring the effects of urinary arsenic on 8-OHdG in human urine. METHODS A literature search until January 2023 was performed on the PubMed, Cochrane Library, Web of Science, Embase, and Scopus databases through a combination of computer and manual retrieval. Stata 12.0 was used to examine the degree of heterogeneity among included studies. The percentage change and 95 % confidence interval (95 % CI) of 8-OHdG were calculated between populations exposed to different doses. We used a random effect model because the degree of heterogeneity exceeded 50 %. Sensitivity analysis and testing for publication bias were performed. RESULTS This meta-analysis included nine studies, most of which were performed in China. After exposure to arsenic, urinary arsenic (per 10 μg/g creatinine increase) was associated with the increased 8-OHdG (% change = 41.49 %, 95 % CI: 19.73 %, 63.25 %). Subgroup analysis indicated that the percentage change in 8-OHdG in urine was more pronounced in people exposed to arsenic <50 μg/L (% change = 24.60 %, 95 % CI: 17.35 %, 37.85 %). In studies using total urinary arsenic content as an indicator, the percentage change in 8-OHdG in urine was more significant (% change = 60.38 %, 95 % CI: 15.08 %, 105.68 %). CONCLUSION The 8-OHdG levels in human urine significantly increased after exposure to environmental arsenic, thus suggesting that arsenic exposure is correlated with oxidative DNA damage.
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Affiliation(s)
- Donglei Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Qingqing Liang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Dapeng Tai
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Yali Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Hongyu Hao
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Zhengran Liu
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
| | - Lihua Huang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
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González-Arzola K, Díaz-Quintana A. Mitochondrial Factors in the Cell Nucleus. Int J Mol Sci 2023; 24:13656. [PMID: 37686461 PMCID: PMC10563088 DOI: 10.3390/ijms241713656] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/31/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
The origin of eukaryotic organisms involved the integration of mitochondria into the ancestor cell, with a massive gene transfer from the original proteobacterium to the host nucleus. Thus, mitochondrial performance relies on a mosaic of nuclear gene products from a variety of genomes. The concerted regulation of their synthesis is necessary for metabolic housekeeping and stress response. This governance involves crosstalk between mitochondrial, cytoplasmic, and nuclear factors. While anterograde and retrograde regulation preserve mitochondrial homeostasis, the mitochondria can modulate a wide set of nuclear genes in response to an extensive variety of conditions, whose response mechanisms often merge. In this review, we summarise how mitochondrial metabolites and proteins-encoded either in the nucleus or in the organelle-target the cell nucleus and exert different actions modulating gene expression and the chromatin state, or even causing DNA fragmentation in response to common stress conditions, such as hypoxia, oxidative stress, unfolded protein stress, and DNA damage.
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Affiliation(s)
- Katiuska González-Arzola
- Centro Andaluz de Biología Molecular y Medicina Regenerativa—CABIMER, Consejo Superior de Investigaciones Científicas—Universidad de Sevilla—Universidad Pablo de Olavide, 41092 Seville, Spain
- Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, 41012 Seville, Spain
| | - Antonio Díaz-Quintana
- Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, 41012 Seville, Spain
- Instituto de Investigaciones Químicas—cicCartuja, Universidad de Sevilla—C.S.I.C, 41092 Seville, Spain
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Sani A, Abdullahi IL, Khan MI, Cao C. Analyses of oxidative DNA damage among coal vendors via single cell gel electrophoresis and quantification of 8-hydroxy-2'-deoxyguanosine. Mol Cell Biochem 2023:10.1007/s11010-023-04826-9. [PMID: 37594629 DOI: 10.1007/s11010-023-04826-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/06/2023] [Indexed: 08/19/2023]
Abstract
Looking at the development status of Nigeria and other developing nations, most low-income and rural households often use coal as a source of energy which necessitates its trade very close to the communities. Moreover, the effects of exposure to coal mining activities are rarely explored or yet to be studied, not to mention the numerous street coal vendors in Nigeria. This study investigated the oxidative stress levels in serum and urine through the biomarker 8-OHdG and DNA damage via single cell gel electrophoresis (alkaline comet assay). Blood and urine levels of 8-OHdG from 130 coal vendors and 130 population-based controls were determined by ELISA. Alkaline comet assay was also performed on white blood cells for DNA damage. The average values of 8-OHdG in serum and urine of coal vendors were 22.82 and 16.03 ng/ml respectively, which were significantly greater than those detected in controls (p < 0.001; 15.46 and 10.40 ng/ml of 8-OHdG in serum and urine respectively). The average tail length, % DNA in tail and olive tail moment were 25.06 μm, 18.71% and 4.42 respectively for coal vendors. However, for controls, the average values were 4.72 μm, 3.63% and 1.50 for tail length, % DNA in tail and olive tail moment respectively which were much lower than coal vendors (p < 0.001). Therefore, prolonged exposure to coal dusts could lead to higher serum and urinary 8-OHdG and significant DNA damage in coal vendors observed in tail length, % DNA in tail, and olive tail moment by single cell gel electrophoresis. It is therefore established that coal vendors exhibit a huge risk from oxidative stress and assessment of 8-OHdG with single cell gel electrophoresis has proven to be a feasible tool as biomarkers of DNA damage.
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Affiliation(s)
- Ali Sani
- Department of Instrument Science and Engineering, School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
- Department of Biological Sciences, Faculty of Life Sciences, Bayero University, Kano, 3011, Nigeria.
| | - Ibrahim Lawal Abdullahi
- Department of Biological Sciences, Faculty of Life Sciences, Bayero University, Kano, 3011, Nigeria
| | - Muhammad Idrees Khan
- Department of Instrument Science and Engineering, School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - ChengXi Cao
- Department of Instrument Science and Engineering, School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
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Leveque C, Mrakic Sposta S, Theunissen S, Germonpré P, Lambrechts K, Vezzoli A, Gussoni M, Levenez M, Lafère P, Guerrero F, Balestra C. Oxidative Stress Response Kinetics after 60 Minutes at Different Levels (10% or 15%) of Normobaric Hypoxia Exposure. Int J Mol Sci 2023; 24:10188. [PMID: 37373334 DOI: 10.3390/ijms241210188] [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: 05/16/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
In this study, the metabolic responses of hypoxic breathing for 1 h to inspired fractions of 10% and 15% oxygen were investigated. To this end, 14 healthy nonsmoking subjects (6 females and 8 males, age: 32.2 ± 13.3 years old (mean ± SD), height: 169.1 ± 9.9 cm, and weight: 61.6 ± 16.2 kg) volunteered for the study. Blood samples were taken before, and at 30 min, 2 h, 8 h, 24 h, and 48 h after a 1 h hypoxic exposure. The level of oxidative stress was evaluated by considering reactive oxygen species (ROS), nitric oxide metabolites (NOx), lipid peroxidation, and immune-inflammation by interleukin-6 (IL-6) and neopterin, while antioxidant systems were observed in terms of the total antioxidant capacity (TAC) and urates. Hypoxia abruptly and rapidly increased ROS, while TAC showed a U-shape pattern, with a nadir between 30 min and 2 h. The regulation of ROS and NOx could be explained by the antioxidant action of uric acid and creatinine. The kinetics of ROS allowed for the stimulation of the immune system translated by an increase in neopterin, IL-6, and NOx. This study provides insights into the mechanisms through which acute hypoxia affects various bodily functions and how the body sets up the protective mechanisms to maintain redox homeostasis in response to oxidative stress.
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Affiliation(s)
- Clément Leveque
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
- Laboratoire ORPHY, Université de Bretagne Occidentale, UFR Sciences et Techniques, 93837 Brest, France
| | - Simona Mrakic Sposta
- Institute of Clinical Physiology, National Research Council (CNR), 20162 Milan, Italy
| | - Sigrid Theunissen
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
| | - Peter Germonpré
- DAN Europe Research Division (Roseto-Brussels), 1160 Brussels, Belgium
- Hyperbaric Centre, Queen Astrid Military Hospital, 1120 Brussels, Belgium
| | - Kate Lambrechts
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
| | - Alessandra Vezzoli
- Institute of Clinical Physiology, National Research Council (CNR), 20162 Milan, Italy
| | - Maristella Gussoni
- Institute of Chemical Sciences and Technologies "G. Natta", National Research Council (SCITEC-CNR), 20133 Milan, Italy
| | - Morgan Levenez
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
| | - Pierre Lafère
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
- DAN Europe Research Division (Roseto-Brussels), 1160 Brussels, Belgium
| | - François Guerrero
- Laboratoire ORPHY, Université de Bretagne Occidentale, UFR Sciences et Techniques, 93837 Brest, France
| | - Costantino Balestra
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
- DAN Europe Research Division (Roseto-Brussels), 1160 Brussels, Belgium
- Anatomical Research and Clinical Studies, Vrije Universiteit Brussels (VUB), 1090 Brussels, Belgium
- Motor Sciences Department, Physical Activity Teaching Unit, Université Libre de Bruxelles (ULB), 1050 Brussels, Belgium
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Tzelves L, Katsimperis S, Bellos T, Berdempes M, Mitsogiannis I, Papatsoris A, Deliveliotis C, Varkarakis I, Skolarikos A. Anthropometric characteristics and relationship with non-muscle invasive bladder cancer in Greece: A case-control study. Arch Ital Urol Androl 2023; 95:11266. [PMID: 36924363 DOI: 10.4081/aiua.2023.11266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 03/06/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Risk factors like smoking, radiation, chronic infections and exposure to occupational chemicals are strongly associated with occurrence of bladder cancer. Association between increased body weight and bladder cancer has been controversial. The aim of this case-control study is to evaluate association of anthropometric characteristics on bladder cancer incidence in Greek population. METHODS This case-control study was conducted at a tertiary hospital in Greece with cases being patients with bladder cancer diagnosed within the last 2 years and controls patients admitted to hospital for reason other than cancer and not related to common risk factors related to bladder cancer. Anthropometric characteristics like weight, height, body mass index, waist and hip circumference were measured. Analyses was done with R (Vienna, Austria). RESULTS Comparison between groups showed that patients with bladder cancer had higher weight, BMI and waist circumference compared to controls. However, multivariate, binomial logistic regression showed that only age (OR 1.03, 95% CI: 1-1.05, p = 0.02), no use of smoke (OR 0.12, 95% CI: 0.07-0.23, p < 0.001) and occupation related to bladder cancer (OR 7.45, 95% CI: 2.53-27.93, p < 0.001) significantly predicted the incidence of bladder cancer. CONCLUSIONS Bladder cancer incidence is strongly linked with specific risk factors such as smoking, occupation with exposure to chemicals and smoke, increasing age, radiation and chronic infections. Several studies have shown a weak association between anthropometric characteristics and bladder cancer, although most studies in European populations did not confirm these findings. Similarly in our case-control study in a Greek population, we found potential relationship between increased weight/BMI and waist circumference with bladder cancer, but the association disappeared in multivariate analysis.
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Affiliation(s)
- Lazaros Tzelves
- Department of Urology/Uro-Oncology, University College of London Hospitals (UCLH), London, United Kingdom; 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Stamatis Katsimperis
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Themistoklis Bellos
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Marinos Berdempes
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Iraklis Mitsogiannis
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Athanasios Papatsoris
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Charalampos Deliveliotis
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Ioannis Varkarakis
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
| | - Andreas Skolarikos
- 2nd Department of Urology, Sismanoglio Hospital, Medical School, National and Kapodistrian University of Athens, Sismanogliou 37 Athens.
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Wang Y, Singh A, Li G, Yue S, Hertel K, Wang ZJ. Opioid induces increased DNA damage in prefrontal cortex and nucleus accumbens. Pharmacol Biochem Behav 2023; 224:173535. [PMID: 36907467 DOI: 10.1016/j.pbb.2023.173535] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/27/2023] [Accepted: 03/04/2023] [Indexed: 03/14/2023]
Abstract
Opioid use disorder (OUD) is a chronic disease characterized by compulsive opioid taking and seeking, affecting millions of people worldwide. The high relapse rate is one of the biggest challenges in treating opioid addiction. However, the cellular and molecular mechanisms underlying relapse to opioid seeking are still unclear. Recent studies have shown that DNA damage and repair processes are implicated in a broad spectrum of neurodegenerative diseases as well as in substance use disorders. In the present study, we hypothesized that DNA damage is related to relapse to heroin seeking. To test our hypothesis, we aim to examine the overall DNA damage level in prefrontal cortex (PFC) and nucleus accumbens (NAc) after heroin exposure, as well as whether manipulating DNA damage levels can alter heroin seeking. First, we observed increased DNA damage in postmortem PFC and NAc tissues from OUD individuals compared to healthy controls. Next, we found significantly increased levels of DNA damage in the dorsomedial PFC (dmPFC) and NAc from mice that underwent heroin self-administration. Moreover, increased accumulation of DNA damage persisted after prolonged abstinence in mouse dmPFC, but not in NAc. This persistent DNA damage was ameliorated by the treatment of reactive oxygen species (ROS) scavenger N-acetylcysteine, along with attenuated heroin-seeking behavior. Furthermore, intra-PFC infusions of topotecan and etoposide during abstinence, which trigger DNA single-strand breaks and double-strand breaks respectively, potentiated heroin-seeking behavior. These findings provide direct evidence that OUD is associated with the accumulation of DNA damage in the brain (especially in the PFC), which may lead to opioid relapse.
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Affiliation(s)
- Yunwanbin Wang
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA
| | - Archana Singh
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA
| | - Guohui Li
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA; Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Shuwen Yue
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA
| | - Kegan Hertel
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA
| | - Zi-Jun Wang
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, USA; Cofrin Logan Center for Addiction Research and Treatment, University of Kansas, Lawrence, KS, USA.
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Elkhalifa AME, Nabi SU, Shah OS, Bashir SM, Muzaffer U, Ali SI, Wani IA, Alzerwi NAN, Elderdery AY, Alanazi A, Alenazy FO, Alharbi AHA. Insight into Oncogenic Viral Pathways as Drivers of Viral Cancers: Implication for Effective Therapy. Curr Oncol 2023; 30:1924-1944. [PMID: 36826111 PMCID: PMC9955780 DOI: 10.3390/curroncol30020150] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
As per a recent study conducted by the WHO, 15.4% of all cancers are caused by infectious agents of various categories, and more than 10% of them are attributed to viruses. The emergence of COVID-19 has once again diverted the scientific community's attention toward viral diseases. Some researchers have postulated that SARS-CoV-2 will add its name to the growing list of oncogenic viruses in the long run. However, owing to the complexities in carcinogenesis of viral origin, researchers across the world are struggling to identify the common thread that runs across different oncogenic viruses. Classical pathways of viral oncogenesis have identified oncogenic mediators in oncogenic viruses, but these mediators have been reported to act on diverse cellular and multiple omics pathways. In addition to viral mediators of carcinogenesis, researchers have identified various host factors responsible for viral carcinogenesis. Henceforth owing to viral and host complexities in viral carcinogenesis, a singular mechanistic pathway remains yet to be established; hence there is an urgent need to integrate concepts from system biology, cancer microenvironment, evolutionary perspective, and thermodynamics to understand the role of viruses as drivers of cancer. In the present manuscript, we provide a holistic view of the pathogenic pathways involved in viral oncogenesis with special emphasis on alteration in the tumor microenvironment, genomic alteration, biological entropy, evolutionary selection, and host determinants involved in the pathogenesis of viral tumor genesis. These concepts can provide important insight into viral cancers, which can have an important implication for developing novel, effective, and personalized therapeutic options for treating viral cancers.
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Affiliation(s)
- Ahmed M. E. Elkhalifa
- Department of Public Health, College of Health Sciences, Saudi Electronic University, Riyadh 11673, Saudi Arabia
- Department of Haematology, Faculty of Medical Laboratory Sciences, University of El Imam El Mahdi, Kosti 1158, Sudan
- Correspondence:
| | - Showkat Ul Nabi
- Large Animal Diagnostic Laboratory, Department of Clinical Veterinary Medicine, Ethics & Jurisprudence, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Ovais Shabir Shah
- Department of Sheep Husbandry Kashmir, Government of Jammu and Kashmir, Srinagar 182301, Jammu and Kashmir, India
| | - Showkeen Muzamil Bashir
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Umar Muzaffer
- Department of Medicine, Government Medical College and Associated Hospital, Srinagar 190010, Jammu and Kashmir, India
| | - Sofi Imtiyaz Ali
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Imtiyaz Ahmad Wani
- Clinical Research Laboratory, SKIMS, Srinagar 190011, Jammu and Kashmir, India
| | - Nasser A. N. Alzerwi
- Department of Surgery, College of Medicine, Majmaah University, Ministry of Education, Al Majmaah 11952, Saudi Arabia
| | - Abozer Y. Elderdery
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Awadh Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Fawaz O. Alenazy
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
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Pazarín-Villaseñor L, García-Salas Y, Yanowsky-Escatell FG, Pacheco-Moisés FP, Andrade-Sierra J, Campos-Bayardo TI, Román-Rojas D, García-Sánchez A, Miranda-Díaz AG. Oxidation State in Peritoneal Dialysis in Patients with Type 2 Diabetes Mellitus. Int J Mol Sci 2023; 24:ijms24032669. [PMID: 36768992 PMCID: PMC9916940 DOI: 10.3390/ijms24032669] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/12/2023] [Accepted: 01/17/2023] [Indexed: 02/01/2023] Open
Abstract
End-stage renal disease (ESRD) progression is closely related to oxidative stress (OS). The study objective was to determine the oxidant and antioxidant status in peritoneal dialysis (PD) patients with type 2 diabetes mellitus (DM). An analytical cross-sectional study from the PD program was carried out with 62 patients, 22 with and 40 without DM. Lipoperoxides (LPO) levels in patients with DM, 3.74 ± 1.09 mM/L, and without DM, 3.87 ± 0.84 mM/L were found to increase compared to healthy controls (HC) 3.05 ± 0.58 mM/L (p = 0.006). The levels of the oxidative DNA damage marker (8-OH-dG) were found to be significantly increased in patients with DM, 1.71 ng/mL (0.19-71.92) and without DM, 1.05 ng/mL (0.16-68.80) front to 0.15 ng/mL (0.15-0.1624) of HC (p = 0.001). The antioxidant enzyme superoxide dismutase (SOD) activity was found to be significantly increased in patients with DM, 0.37 ± 0.15 U/mL, and without DM, 0.37 ± 0.17 compared to HC, 0.23 ± 0.05 U/mL (p = 0.038). The activity of the enzyme glutathione peroxidase (GPx) showed a significant increase (p < 0.001) in patients with DM, 3.56 ± 2.18 nmol/min/mL, and without DM, 3.28 ± 1.46 nmol/min/mL, contrary to the activity obtained in HC, 1.55 ± 0.34 nmol/min/mL. In conclusion, we found an imbalance of oxidative status in patients undergoing PD with and without DM through the significant increase in LPO oxidants and the marker of oxidative damage in DNA. The activity of the antioxidant enzymes SOD and GPx were significantly increased in patients with and without DM undergoing PD, possibly in an attempt to compensate for the deregulation of oxidants. Antioxidant enzymes could be promising therapeutic strategies as a complement to the management of chronic kidney diseases.
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Affiliation(s)
- Leonardo Pazarín-Villaseñor
- Nephrology Service, Civil Hospital of Guadalajara “Dr. Juan I Menchaca”, Guadalajara 44280, Jalisco, Mexico
- Nephrology Specialty, Regional General Hospital No. 46 of the IMSS, Guadalajara 44910, Jalisco, Mexico
| | - Yessica García-Salas
- Nephrology Service, Civil Hospital of Guadalajara “Dr. Juan I Menchaca”, Guadalajara 44280, Jalisco, Mexico
| | - Francisco Gerardo Yanowsky-Escatell
- Nephrology Service, Civil Hospital of Guadalajara “Dr. Juan I Menchaca”, Guadalajara 44280, Jalisco, Mexico
- Department of Health Sciences-Illness as an Individual Process, University Center of Tonala, University of Guadalajara, Guadalajara 45425, Jalisco, Mexico
| | - Fermín Paul Pacheco-Moisés
- Department of Chemistry, University Centre for Exact and Engineering Sciences, University of Guadalajara, Guadalajara 44430, Jalisco, Mexico
| | - Jorge Andrade-Sierra
- Nephrology Service, Civil Hospital of Guadalajara “Dr. Juan I Menchaca”, Guadalajara 44280, Jalisco, Mexico
- Department of Physiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44360, Jalisco, Mexico
| | - Tannia Isabel Campos-Bayardo
- Department of Physiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44360, Jalisco, Mexico
| | - Daniel Román-Rojas
- Department of Physiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44360, Jalisco, Mexico
| | - Andrés García-Sánchez
- Department of Physiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44360, Jalisco, Mexico
| | - Alejandra Guillermina Miranda-Díaz
- Department of Physiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44360, Jalisco, Mexico
- Correspondence:
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Figuer A, Alique M, Valera G, Serroukh N, Ceprían N, de Sequera P, Morales E, Carracedo J, Ramírez R, Bodega G. New mechanisms involved in the development of cardiovascular disease in chronic kidney disease. Nefrologia 2023; 43:63-80. [PMID: 37268501 DOI: 10.1016/j.nefroe.2023.05.014] [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: 11/15/2021] [Accepted: 03/02/2022] [Indexed: 06/04/2023] Open
Abstract
Chronic kidney disease (CKD) is a pathology with a high worldwide incidence and an upward trend affecting the elderly. When CKD is very advanced, the use of renal replacement therapies is required to prolong its life (dialysis or kidney transplantation). Although dialysis improves many complications of CKD, the disease does not reverse completely. These patients present an increase in oxidative stress, chronic inflammation and the release of extracellular vesicles (EVs), which cause endothelial damage and the development of different cardiovascular diseases (CVD). CKD patients develop premature diseases associated with advanced age, such as CVD. EVs play an essential role in developing CVD in patients with CKD since their number increases in plasma and their content is modified. The EVs of patients with CKD cause endothelial dysfunction, senescence and vascular calcification. In addition, miRNAs free or transported in EVs together with other components carried in these EVs promote endothelial dysfunction, thrombotic and vascular calcification in CKD, among other effects. This review describes the classic factors and focuses on the role of new mechanisms involved in the development of CVD associated with CKD, emphasizing the role of EVs in the development of cardiovascular pathologies in the context of CKD. Moreover, the review summarized the EVs' role as diagnostic and therapeutic tools, acting on EV release or content to avoid the development of CVD in CKD patients.
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Affiliation(s)
- Andrea Figuer
- Departamento de Biología de Sistemas, Universidad de Alcalá (IRYCIS), Alcalá de Henares (Madrid), Spain
| | - Matilde Alique
- Departamento de Biología de Sistemas, Universidad de Alcalá (IRYCIS), Alcalá de Henares (Madrid), Spain.
| | - Gemma Valera
- Departamento de Biología de Sistemas, Universidad de Alcalá (IRYCIS), Alcalá de Henares (Madrid), Spain
| | - Nadia Serroukh
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre (IMAS12), Madrid, Spain
| | - Noemí Ceprían
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre (IMAS12), Madrid, Spain
| | - Patricia de Sequera
- Sección de Nefrología, Hospital Universitario Infanta Leonor, Universidad Complutense de Madrid, Madrid, Spain
| | - Enrique Morales
- Sección de Nefrología, Hospital 12 de Octubre, Madrid, Spain
| | - Julia Carracedo
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre (IMAS12), Madrid, Spain
| | - Rafael Ramírez
- Departamento de Biología de Sistemas, Universidad de Alcalá (IRYCIS), Alcalá de Henares (Madrid), Spain
| | - Guillermo Bodega
- Departamento de Biomedicina y Biotecnología, Universidad de Alcalá, Alcalá de Henares (Madrid), Spain
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Tuli HS, Kaur J, Vashishth K, Sak K, Sharma U, Choudhary R, Behl T, Singh T, Sharma S, Saini AK, Dhama K, Varol M, Sethi G. Molecular mechanisms behind ROS regulation in cancer: A balancing act between augmented tumorigenesis and cell apoptosis. Arch Toxicol 2023; 97:103-120. [PMID: 36443493 DOI: 10.1007/s00204-022-03421-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/14/2022] [Indexed: 11/29/2022]
Abstract
ROS include hydroxyl radicals (HO.), superoxide (O2..), and hydrogen peroxide (H2O2). ROS are typically produced under physiological conditions and play crucial roles in living organisms. It is known that ROS, which are created spontaneously by cells through aerobic metabolism in mitochondria, can have either a beneficial or detrimental influence on biological systems. Moderate levels of ROS can cause oxidative damage to proteins, DNA and lipids, which can aid in the pathogenesis of many disorders, including cancer. However, excessive concentrations of ROS can initiate programmed cell death in cancer. Presently, a variety of chemotherapeutic drugs and herbal agents are being investigated to induce ROS-mediated cell death in cancer. Therefore, preserving ROS homeostasis is essential for ensuring normal cell development and survival. On account of a significant association of ROS levels at various concentrations with carcinogenesis in a number of malignancies, further studies are needed to determine the underlying molecular mechanisms and develop the possibilities for intervening in these processes.
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Affiliation(s)
- Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Jagjit Kaur
- Graduate School of Biomedical Engineering, Faculty of Engineering, The University of New South Wales, Sydney, 2052, Australia
| | - Kanupriya Vashishth
- Advance Cardiac Centre Department of Cardiology, PGIMER, Chandigarh, 160012, India
| | | | - Ujjawal Sharma
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.,Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Renuka Choudhary
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Tapan Behl
- Department of Pharmacology, School of Health Sciences & Technology (SoHST), University of Petroleum and Energy Studies, Bidholi, Dehradun, Uttarakhand, 248007, India
| | - Tejveer Singh
- Translanatal Oncology Laboratory, Department of Zoology, Hansraj College, Delhi University, New Delhi, 110007, India
| | - Sheetu Sharma
- Department of Pharmacovigilace and Clinical Research, Chitkara University, Rajpura, 140401, India
| | - Adesh K Saini
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | - Mehmet Varol
- Department of Molecular Biology and Genetics, Faculty of Science, Mugla Sitki Kocman University, Mugla, 48000, Turkey
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore.
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Factors to Consider for the Correct Use of γH2AX in the Evaluation of DNA Double-Strand Breaks Damage Caused by Ionizing Radiation. Cancers (Basel) 2022; 14:cancers14246204. [PMID: 36551689 PMCID: PMC9776434 DOI: 10.3390/cancers14246204] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
People exposed to ionizing radiation (IR) both for diagnostic and therapeutic purposes is constantly increasing. Since the use of IR involves a risk of harmful effects, such as the DNA DSB induction, an accurate determination of this induced DNA damage and a correct evaluation of the risk-benefit ratio in the clinical field are of key relevance. γH2AX (the phosphorylated form of the histone variant H2AX) is a very early marker of DSBs that can be induced both in physiological conditions, such as in the absence of specific external agents, and by external factors such as smoking, heat, background environmental radiation, and drugs. All these internal and external conditions result in a basal level of γH2AX which must be considered for the correct assessment of the DSBs after IR exposure. In this review we analyze the most common conditions that induce H2AX phosphorylation, including specific exogenous stimuli, cellular states, basic environmental factors, and lifestyles. Moreover, we discuss the most widely used methods for γH2AX determination and describe the principal applications of γH2AX scoring, paying particular attention to clinical studies. This knowledge will help us optimize the use of available methods in order to discern the specific γH2AX following IR-induced DSBs from the basal level of γH2AX in the cells.
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15
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Ginsenoside Rh2 sensitizes the anti-cancer effects of sunitinib by inducing cell cycle arrest in renal cell carcinoma. Sci Rep 2022; 12:19752. [PMID: 36396667 PMCID: PMC9672391 DOI: 10.1038/s41598-022-20075-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 09/08/2022] [Indexed: 11/18/2022] Open
Abstract
Sunitinib, a VEGF blockade, is used to treat clear cell renal cell carcinoma (ccRCC). However, the anti-cancer treatment effects of sunitinib do not last long in ccRCC patients. Ginsenoside, a natural medicine extracted from ginseng, has been studied in cancer treatment and shown to have anti-tumor effects and low toxicity. We assessed cell viability and cell cycle analysis in ccRCC cell lines after treatment with ginsenoside and sunitinib. DNA damage was evaluated by measuring 8-OHdG levels and comet assay. ROS levels, reflecting the cause of oxidative stress, were also measured. Ginsenoside significantly enhanced the inhibition of cell viability by sunitinib, a result that was also confirmed in the xenograft model. In cell cycle analysis, combination treatment of ginsenoside and sunitinib enhanced G2M arrest in comparison with single-treatment groups. In addition, DNA damage was increased by ginsenoside and sunitinib according to the comet assay, and the level of 8-OHdG, which reflects oxidative DNA damage, also increased. We verified that ginsenoside enhances the efficacy of sunitinib to inhibit the proliferation of ccRCC cells via induction of oxidative DNA damage. The combination therapy of sunitinib and ginsenoside suggested the possibility of effectively treating ccRCC patients.
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Di Minno A, Aveta A, Gelzo M, Tripodi L, Pandolfo SD, Crocetto F, Imbimbo C, Castaldo G. 8-Hydroxy-2-Deoxyguanosine and 8-Iso-Prostaglandin F2α: Putative Biomarkers to assess Oxidative Stress Damage Following Robot-Assisted Radical Prostatectomy (RARP). J Clin Med 2022; 11:jcm11206102. [PMID: 36294423 PMCID: PMC9605140 DOI: 10.3390/jcm11206102] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/11/2022] [Accepted: 10/15/2022] [Indexed: 11/16/2022] Open
Abstract
Objective: Prostate cancer (PCa) is the most common type of cancer. Biomarkers help researchers to understand the mechanisms of disease and refine diagnostic panels. We measured urinary 8-hydroxy-2-deoxyguanosine (8-OHdG) and 8-iso-prostaglandin F2α (8-IsoF2α) to assess oxidative stress damage in PCa patients undergoing robot-assisted radical prostatectomy (RARP). Methods: Forty PCa patients were enrolled in the study. Urine was collected before (T0) and 3 months after the RARP procedure (T1). 8-OHdG and 8-IsoF2α were measured through liquid chromatography-tandem mass spectrometry. Sex- and age-matched healthy subjects served as controls (CTRL). Results: At T0, patients exhibited significantly higher levels of 8-OHdG than CTRL (p = 0.026). At T1, 23/40 patients who completed the 3-month follow-up showed levels of 8-OHdG that were significantly lower than at T0 (p = 0.042), and comparable to those of the CTRL subjects (p = 0.683). At T0, 8-Iso-PGF2α levels were significantly higher in PCa patients than in CTRL subjects (p = 0.0002). At T1, 8-Iso-PGF2α levels were significantly lower than at T0 (p < 0.001) and were comparable to those of CTRL patients (p = 0.087). Conclusions: A liquid chromatography-tandem mass spectrometry method reveals enhanced OHdG and 8-Iso-PGF2α in the urine of PCa patients. RARP normalizes such indices of oxidative stress. Large-sized sample studies and long-term follow-ups are now needed to validate these urinary biomarkers for use in the early prevention and successful treatment of PCa.
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Affiliation(s)
- Alessandro Di Minno
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
- Correspondence:
| | - Achille Aveta
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
- Dipartimento di Neuroscienze, Scienze Riproduttive e Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Monica Gelzo
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Lorella Tripodi
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Savio Domenico Pandolfo
- Dipartimento di Neuroscienze, Scienze Riproduttive e Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Felice Crocetto
- Dipartimento di Neuroscienze, Scienze Riproduttive e Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Ciro Imbimbo
- Dipartimento di Neuroscienze, Scienze Riproduttive e Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Giuseppe Castaldo
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
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Elder J, Broome JA, Bushnell EAC. Computational Insights into the Regeneration of Ovothiol and Ergothioneine and Their Selenium Analogues by Glutathione. ACS OMEGA 2022; 7:31813-31821. [PMID: 36120043 PMCID: PMC9476190 DOI: 10.1021/acsomega.2c02506] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Ovothiol and ergothioneine are powerful antioxidants that readily react with oxidants by forming their respective disulfides. In fact, ovothiol is widely considered one of the most powerful natural antioxidants. However, for these antioxidants to be again involved in reacting with oxidants, they must be regenerated via the reduction of the disulfide bonds. In the present work, the regeneration of the antioxidants ovothiol and ergothioneine and their selenium analogues, by the closed-shell nucleophilic attack of glutathione, was investigated using density functional theory. From the calculated thermodynamic data, the attack of glutathione on OSSO and EYYE (where Y = S and/or Se) will readily occur in solution. Moreover, in comparison to the reference reaction GSH + GSSG → GSSG + GSH, all reactions are expected to be faster. Overall, the results presented herein show that the key antioxidant GSH should readily recycle ovothiol, ovoselenol, ergothioneine, and ergoseloneine from OYYO and EYYE (where Y = S and/or Se).
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18
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Berrios L, Rentsch JD. Linking Reactive Oxygen Species (ROS) to Abiotic and Biotic Feedbacks in Plant Microbiomes: The Dose Makes the Poison. Int J Mol Sci 2022; 23:ijms23084402. [PMID: 35457220 PMCID: PMC9030523 DOI: 10.3390/ijms23084402] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/13/2022] [Accepted: 04/13/2022] [Indexed: 12/13/2022] Open
Abstract
In nature, plants develop in complex, adaptive environments. Plants must therefore respond efficiently to environmental stressors to maintain homeostasis and enhance their fitness. Although many coordinated processes remain integral for achieving homeostasis and driving plant development, reactive oxygen species (ROS) function as critical, fast-acting orchestrators that link abiotic and biotic responses to plant homeostasis and development. In addition to the suite of enzymatic and non-enzymatic ROS processing pathways that plants possess, they also rely on their microbiota to buffer and maintain the oxidative window needed to balance anabolic and catabolic processes. Strong evidence has been communicated recently that links ROS regulation to the aggregated function(s) of commensal microbiota and plant-growth-promoting microbes. To date, many reports have put forth insightful syntheses that either detail ROS regulation across plant development (independent of plant microbiota) or examine abiotic–biotic feedbacks in plant microbiomes (independent of clear emphases on ROS regulation). Here we provide a novel synthesis that incorporates recent findings regarding ROS and plant development in the context of both microbiota regulation and plant-associated microbes. Specifically, we discuss various roles of ROS across plant development to strengthen the links between plant microbiome functioning and ROS regulation for both basic and applied research aims.
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Affiliation(s)
- Louis Berrios
- Department of Biology, Stanford University, Stanford, CA 94305, USA
- Correspondence:
| | - Jeremy D. Rentsch
- Department of Biology, Francis Marion University, Florence, SC 29502, USA;
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Figuer A, Alique M, Valera G, Serroukh N, Ceprían N, de Sequera P, Morales E, Carracedo J, Ramírez R, Bodega G. Nuevos mecanismos implicados en el desarrollo de la enfermedad cardiovascular en la enfermedad renal crónica. Nefrologia 2022. [DOI: 10.1016/j.nefro.2022.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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20
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Ziyadi S, Iddar A, Kabine M, El Mzibri M, Moutaouakkil A. Changes in Growth, Morphology, and Physiology of Tetrahymena pyriformis Exposed to Continuous Cesium-137 and Cobalt-60 Gamma-Radiation. Curr Microbiol 2022; 79:61. [PMID: 34982197 DOI: 10.1007/s00284-021-02684-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 10/01/2021] [Indexed: 12/15/2022]
Abstract
This study investigated the effects of gamma-radiation on Tetrahymena pyriformis. The experimental approach consists of exposing T. pyriformis growing in presence of Cesium-137 (137Cs) at dose rates of 1, 2, 4, and 6 cGy h-1 and Cobalt-60 (60Co) at dose rates of 8, 10, 15, and 20 cGy h-1. The radiation doses effects on growth, morphology, some metabolic enzymes, and reactive oxygen species (ROS) markers have been evaluated. When cells were growing in irradiating conditions at dose rates beyond 4 cGy h-1, a decreasing of cells and generation numbers with a prolongation of generation time and a change of morphological aspect with rounding-off of cells were observed compared to the control. The 50%-inhibitory dose (ID50) for radiation was estimated at 1568.72 ± 158.45 cGy. The gamma-radiation at dose rates more than 6 cGy h-1, affected both glyceraldehyde 3-phosphate dehydrogenase and succinate dehydrogenase by inhibiting their activities. All of these effects were more pronounced when cells were irradiated at the dose rate of 20 cGy h-1 using 60Co source. For ROS markers generated by gamma-radiation in T. pyriformis, the results showed an increase of the lipid peroxidation in cells grown in presence of gamma-radiation at dose rates more than 6 cGy h-1 and an enhancement in catalase and superoxide dismutase activities from the dose rate of 1 cGy h-1. These encouraging results suggested the use of T. pyriformis as a unicellular model cell to investigate other aspects of the response to ionizing radiation.
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Affiliation(s)
- Soukaina Ziyadi
- Biotechnology and Biomolecules Engineering Unit, National Center for Nuclear Energy, Science and Technology (CNESTEN), BP. 1382 R.P., 10001, Rabat, Morocco.,Health and Environment Laboratory, Faculty of Sciences Aïn-Chock, Hassan II University, Km 8 Route d'El Jadida, BP 5366 Mâarif, 20100, Casablanca, Morocco
| | - Abdelghani Iddar
- Biotechnology and Biomolecules Engineering Unit, National Center for Nuclear Energy, Science and Technology (CNESTEN), BP. 1382 R.P., 10001, Rabat, Morocco
| | - Mostafa Kabine
- Health and Environment Laboratory, Faculty of Sciences Aïn-Chock, Hassan II University, Km 8 Route d'El Jadida, BP 5366 Mâarif, 20100, Casablanca, Morocco
| | - Mohammed El Mzibri
- Biotechnology and Biomolecules Engineering Unit, National Center for Nuclear Energy, Science and Technology (CNESTEN), BP. 1382 R.P., 10001, Rabat, Morocco
| | - Adnane Moutaouakkil
- Biotechnology and Biomolecules Engineering Unit, National Center for Nuclear Energy, Science and Technology (CNESTEN), BP. 1382 R.P., 10001, Rabat, Morocco.
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21
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Wang YZ, Zhao YQ, Wang YM, Zhao WH, Wang P, Chi CF, Wang B. Antioxidant peptides from Antarctic Krill (Euphausia superba) hydrolysate: Preparation, identification and cytoprotection on H2O2-induced oxidative stress. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104701] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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22
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Teratani T, Kasahara N, Ijichi T, Fujimoto Y, Sakuma Y, Sata N, Kitayama J. Activation of whole body by high levels of polyamine intake in rats. Amino Acids 2021; 53:1695-1703. [PMID: 34654958 PMCID: PMC8592999 DOI: 10.1007/s00726-021-03079-4] [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: 07/13/2021] [Accepted: 09/17/2021] [Indexed: 11/05/2022]
Abstract
Polyamines are important to the survival and activation of organs and tissues via a homeostatic cell-metabolic process, and the polyamine content in cytoplasm decreases with aging. Decreases in cellular polyamine have been known to augment mutagenesis and cell death. Thus, supplementary polyamine in food is important to the prevention of aging. Here we show the anti-aging effects of oral intake of polyamine using luciferase-transgenic rats. Healthy rats, 10–12 weeks old, were given foods containing 0.01% and 0.1% (w/w) of polyamine, as compared a control food without polyamine, for 4 weeks. Using a bioimaging system, the photon intensities seen in the whole bodies and livers of rats consuming 0.1% of polyamine in food were stronger than those in rats consuming 0.01% and 0% of polyamine. However, there were no differences between groups in other characteristics, such as liver damage and body weight. In conclusion, we found that polyamine intake can activate cells throughout the whole body, providing an anti-aging effect.
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Affiliation(s)
- Takumi Teratani
- Division of Translational Research, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan. .,Department of Surgery, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan.
| | - Naoya Kasahara
- Department of Surgery, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan
| | - Tetsuo Ijichi
- Division of Translational Research, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan
| | - Yasuhiro Fujimoto
- Department of Surgery, Hyogo College of Medicine, 1-3-6 Minatojima, Chuo-ku, Kobeshi, Hyogo, 663-8501, Japan
| | - Yasunaru Sakuma
- Department of Surgery, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan
| | - Naohiro Sata
- Department of Surgery, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan
| | - Joji Kitayama
- Division of Translational Research, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan.,Department of Surgery, Jichi Medical University, 3311-1, Yakushiji, Shimotsukeshi, Tochigi, 329-0498, Japan
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23
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Xie X, Zhang Y, Wang Z, Wang S, Jiang X, Cui H, Zhou T, He Z, Feng H, Guo Q, Song X, Cao L. ATM at the crossroads of reactive oxygen species and autophagy. Int J Biol Sci 2021; 17:3080-3090. [PMID: 34421351 PMCID: PMC8375236 DOI: 10.7150/ijbs.63963] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/16/2021] [Indexed: 01/08/2023] Open
Abstract
Reactive oxygen species (ROS) are generally small, short-lived and highly reactive molecules, initially thought to be a pathological role in the cell. A growing amount of evidence in recent years argues for ROS functioning as a signaling intermediate to facilitate cellular adaptation in response to pathophysiological stress through the regulation of autophagy. Autophagy is an essential cellular process that plays a crucial role in recycling cellular components and damaged organelles to eliminate sources of ROS in response to various stress conditions. A large number of studies have shown that DNA damage response (DDR) transducer ataxia-telangiectasia mutated (ATM) protein can also be activated by ROS, and its downstream signaling pathway is involved in autophagy regulation. This review aims at providing novel insight into the regulatory mechanism of ATM activated by ROS and its molecular basis for inducing autophagy, and revealing a new function that ATM can not only maintain genome homeostasis in the nucleus, but also as a ROS sensor trigger autophagy to maintain cellular homeostasis in the cytoplasm.
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Affiliation(s)
- Xiaochen Xie
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China.,Department of Endocrinology and Metabolism, Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, China Medical University, Shenyang, Liaoning, 110001, P. R. China
| | - Ye Zhang
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Zhuo Wang
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Shanshan Wang
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Xiaoyou Jiang
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Hongyan Cui
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Tingting Zhou
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Zheng He
- Department of Radiation Oncology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, P. R. China
| | - Hao Feng
- Department of Ophthalmology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, P. R. China
| | - Qiqiang Guo
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Xiaoyu Song
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
| | - Liu Cao
- College of Basic Medical Science, Key Laboratory of Medical Cell Biology, Ministry of Education, Key Laboratory of Liaoning Province, China Medical University, Shenyang, Liaoning Province, 110122, P. R. China
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24
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Zahra KF, Lefter R, Ali A, Abdellah EC, Trus C, Ciobica A, Timofte D. The Involvement of the Oxidative Stress Status in Cancer Pathology: A Double View on the Role of the Antioxidants. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9965916. [PMID: 34394838 PMCID: PMC8360750 DOI: 10.1155/2021/9965916] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 07/19/2021] [Indexed: 12/24/2022]
Abstract
Oxygen-free radicals, reactive oxygen species (ROS) or reactive nitrogen species (RNS), are known by their "double-sided" nature in biological systems. The beneficial effects of ROS involve physiological roles as weapons in the arsenal of the immune system (destroying bacteria within phagocytic cells) and role in programmed cell death (apoptosis). On the other hand, the redox imbalance in favor of the prooxidants results in an overproduction of the ROS/RNS leading to oxidative stress. This imbalance can, therefore, be related to oncogenic stimulation. High levels of ROS disrupt cellular processes by nonspecifically attacking proteins, lipids, and DNA. It appears that DNA damage is the key player in cancer initiation and the formation of 8-OH-G, a potential biomarker for carcinogenesis. The harmful effect of ROS is neutralized by an antioxidant protection treatment as they convert ROS into less reactive species. However, contradictory epidemiological results show that supplementation above physiological doses recommended for antioxidants and taken over a long period can lead to harmful effects and even increase the risk of cancer. Thus, we are describing here some of the latest updates on the involvement of oxidative stress in cancer pathology and a double view on the role of the antioxidants in this context and how this could be relevant in the management and pathology of cancer.
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Affiliation(s)
- Kamal Fatima Zahra
- Faculty of Sciences and Techniques, Laboratory of Physical Chemistry of Processes and Materials/Agri-Food and Health, Hassan First University, B.P. 539, 26000 Settat, Morocco
| | - Radu Lefter
- Center of Biomedical Research, Romanian Academy, 8th Carol I Avenue, 700506 Iasi, Romania
| | - Ahmad Ali
- Department of Life Sciences, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai 400098, India
| | - Ech-Chahad Abdellah
- Faculty of Sciences and Techniques, Laboratory of Physical Chemistry of Processes and Materials, Hassan First University, B.P. 539, 26000 Settat, Morocco
| | - Constantin Trus
- Department of Morphological and Functional Sciences, Faculty of Medicine, Dunarea de Jos University, 800008 Galati, Romania
| | - Alin Ciobica
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University, 11th Carol I Avenue, 700506 Iasi, Romania
| | - Daniel Timofte
- Faculty of Medicine, “Grigore T. Popa”, University of Medicine and Pharmacy, Strada Universitatii 16, 700115 Iasi, Romania
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25
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Rosini E, Volpi NA, Ziffels B, Grimaldi A, Sacchi S, Neri D, Pollegioni L. An antibody-based enzymatic therapy for cancer treatment: The selective localization of D-amino acid oxidase to EDA fibronectin. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 36:102424. [PMID: 34174417 DOI: 10.1016/j.nano.2021.102424] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 04/12/2021] [Accepted: 05/27/2021] [Indexed: 12/25/2022]
Abstract
In order to generate an antibody directed enzyme prodrug therapy, here we designed a chimeric protein by fusing the F8 antibody that recognizes the EDA of fibronectin (expressed on the tumor neovasculature) and an evolved variant of the ROS-generating enzyme D-amino acid oxidase (DAAO). The F8(scFv)-DAAO-Q144R recombinant protein is expressed by both CHO-S and E. coli cells. The F8(scFv)-DAAO-Q144R from E. coli cells is fully soluble, shows a high specific activity, is more thermostable in blood than the native DAAO, possesses a binding affinity for EDA well suited for efficient tumor accumulation, and localizes in tumor tissues. Notably, the F8(scFv)-DAAO-Q144R conjugate generates a stronger cytotoxicity to tumor cells than the native enzyme, especially when an inhibitor of heme oxygenase-1 (HO-1) is used, making it a promising candidate for a selective antitumor oxidative therapy controlled by the substrate addition, in the so called "activity on demand", thus sparing normal tissue from damage.
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Affiliation(s)
- Elena Rosini
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy.
| | - Noemi Antonella Volpi
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Barbara Ziffels
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Zurich, Switzerland
| | - Annalisa Grimaldi
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Silvia Sacchi
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Dario Neri
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Zurich, Switzerland
| | - Loredano Pollegioni
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
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26
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Liu C, Lv C, Yao YY, Du X, Zhao DX, Yang ZZ. Water-Mediated Oxidation of Guanine by a Repair Enzyme: Simulation Using the ABEEM Polarizable Force Field. J Chem Theory Comput 2021; 17:3525-3538. [PMID: 34018392 DOI: 10.1021/acs.jctc.1c00107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The recognition mechanism of oxidative damage in organisms has long been a research hotspot. Water is an important medium in the recognition process, but its specific role remains unknown. There is a need to develop a suitable force field that can adequately describe the electrostatic, hydrogen bond, and other interactions among the molecules in the complex system of the repair enzyme and oxidized base. The developing ABEEM polarizable force field (PFF) has been used to simulate the repaired enzyme hOGG1 and oxidized DNA (PDB ID: 1EBM) in a biological environment, and the corresponding results are better than those of the fixed-charge force fields OPLS/AA and AMBER OL15. 8-Oxo-G is recognized by Gln315 of hOGG1 mainly through hydrogen bonds mediated by continuous exchange of 2 water molecules. Phe319 and Cys253 are stacked on both sides of the π planes of bases to form sandwich structures. The charge polarization effect gives an important signal to drive the exchange of water molecules and maintains the recognition of oxidation bases by enzymes. The mediated main water molecule A and mediated auxiliary water molecule B together pull Gln315 to recognize 8-oxo-G by hydrogen bond interactions. Then, the charge polarization signal of solvent water molecule C with a large absolute charge causes the absolute charge of O atoms in water molecule A or B to increase by approximately 0.2 e, and water molecule A or B leaves Gln315 and 8-oxo-G. The other water molecule and water molecule C synergistically recognize 8-oxo-G with Gln315. Even though the water molecules between Gln315 and 8-oxo-G are removed, the MD simulation results show that water molecules appear between Gln315 and 8-oxo-G in a very short time (<2 ps). The dwell time of each water molecule is approximately 60 ps. The radial distribution function and dwell time support the correctness of the above mechanism. These polarization effects and hydrogen bonding interactions cannot be simulated by a fixed-charge force field.
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Affiliation(s)
- Cui Liu
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
| | - Change Lv
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
| | - Yu-Ying Yao
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
| | - Xue Du
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
| | - Dong-Xia Zhao
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
| | - Zhong-Zhi Yang
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China
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27
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Danesh Pazhooh R, Rahnamay Farnood P, Asemi Z, Mirsafaei L, Yousefi B, Mirzaei H. mTOR pathway and DNA damage response: A therapeutic strategy in cancer therapy. DNA Repair (Amst) 2021; 104:103142. [PMID: 34102579 DOI: 10.1016/j.dnarep.2021.103142] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/26/2021] [Accepted: 05/31/2021] [Indexed: 10/21/2022]
Abstract
The mammalian target of rapamycin (mTOR) is a conserved serine/threonine-protein kinase, comprising two subunit protein complexes: mTORC1 and mTORC2. In response to insult and cancer, the mTOR pathway plays a crucial role in regulating growth, metabolism, cell survival, and protein synthesis. Key subunits of mTORC1/2 catalyze the phosphorylation of various molecules, including eukaryotic translation initiation factor 4E binding protein 1 (4E-BP1), ribosomal protein S6 kinase β-1 (S6K1). The DNA damage response (DDR) maintains genomic stability and provides an opportunity for treating tumors with defects caused by DNA damaging agents. Many mTOR inhibitors are utilized for the treatment of cancers. However, several clinical trials are still assessing the efficacy of mTOR inhibitors. This paper discusses the role of the mTOR signaling pathway and its regulators in developing cancer. In the following, we will review the interaction between DDR and mTOR signaling and the innovative therapies applied in preclinical and clinical trials for treating cancers.
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Affiliation(s)
| | | | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
| | - Liaosadat Mirsafaei
- Department of Cardiology, Ramsar Campus, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Bahman Yousefi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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28
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Kozakiewicz P, Grzybowska-Szatkowska L, Ciesielka M, Rzymowska J. The Role of Mitochondria in Carcinogenesis. Int J Mol Sci 2021; 22:ijms22105100. [PMID: 34065857 PMCID: PMC8151940 DOI: 10.3390/ijms22105100] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 04/30/2021] [Accepted: 05/06/2021] [Indexed: 12/20/2022] Open
Abstract
The mitochondria are essential for normal cell functioning. Changes in mitochondrial DNA (mtDNA) may affect the occurrence of some chronic diseases and cancer. This process is complex and not entirely understood. The assignment to a particular mitochondrial haplogroup may be a factor that either contributes to cancer development or reduces its likelihood. Mutations in mtDNA occurring via an increase in reactive oxygen species may favour the occurrence of further changes both in mitochondrial and nuclear DNA. Mitochondrial DNA mutations in postmitotic cells are not inherited, but may play a role both in initiation and progression of cancer. One of the first discovered polymorphisms associated with cancer was in the gene NADH-ubiquinone oxidoreductase chain 3 (mt-ND3) and it was typical of haplogroup N. In prostate cancer, these mutations and polymorphisms involve a gene encoding subunit I of respiratory complex IV cytochrome c oxidase subunit 1 gene (COI). At present, a growing number of studies also address the impact of mtDNA polymorphisms on prognosis in cancer patients. Some of the mitochondrial DNA polymorphisms occur in both chronic disease and cancer, for instance polymorphism G5913A characteristic of prostate cancer and hypertension.
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Affiliation(s)
- Paulina Kozakiewicz
- Department of Radiotherapy, Medical University in Lublin, Chodźki 7, 20-093 Lublin, Poland; (L.G.-S.); (M.C.)
- Department of Radiotherapy, St. John’s Cancer Centre, The Regional Oncology Centre of Lublin Jaczewskiego 7, 20-090 Lublin, Poland
- Correspondence:
| | - Ludmiła Grzybowska-Szatkowska
- Department of Radiotherapy, Medical University in Lublin, Chodźki 7, 20-093 Lublin, Poland; (L.G.-S.); (M.C.)
- Department of Radiotherapy, St. John’s Cancer Centre, The Regional Oncology Centre of Lublin Jaczewskiego 7, 20-090 Lublin, Poland
| | - Marzanna Ciesielka
- Department of Radiotherapy, Medical University in Lublin, Chodźki 7, 20-093 Lublin, Poland; (L.G.-S.); (M.C.)
- Chair and Department of Forensic Medicine, Medical University in Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland
| | - Jolanta Rzymowska
- Chair and Department of Biology and Genetics, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland;
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29
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Goswami A, Sharma PR, Agarwal R. Combatting intracellular pathogens using bacteriophage delivery. Crit Rev Microbiol 2021; 47:461-478. [PMID: 33818246 DOI: 10.1080/1040841x.2021.1902266] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Intracellular pathogens reside in specialised compartments within the host cells restricting the access of antibiotics. Insufficient intracellular delivery of antibiotics along with several other resistance mechanisms weaken the efficacy of current therapies. An alternative to antibiotic therapy could be bacteriophage (phage) therapy. Although phage therapy has been in practice for a century against various bacterial infections, the efficacy of phages against intracellular bacteria is still being explored. In this review, we will discuss the advancement and challenges in phage therapy, particularly against intracellular bacterial pathogens. Finally, we will highlight the uptake mechanisms and approaches to overcome the challenges to phage therapy against intracellular bacteria.
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Affiliation(s)
- Avijit Goswami
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Pallavi Raj Sharma
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Rachit Agarwal
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
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30
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From Mitochondria to Atherosclerosis: The Inflammation Path. Biomedicines 2021; 9:biomedicines9030258. [PMID: 33807807 PMCID: PMC8000234 DOI: 10.3390/biomedicines9030258] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/26/2021] [Accepted: 02/27/2021] [Indexed: 12/11/2022] Open
Abstract
Inflammation is a key process in metazoan organisms due to its relevance for innate defense against infections and tissue damage. However, inflammation is also implicated in pathological processes such as atherosclerosis. Atherosclerosis is a chronic inflammatory disease of the arterial wall where unstable atherosclerotic plaque rupture causing platelet aggregation and thrombosis may compromise the arterial lumen, leading to acute or chronic ischemic syndromes. In this review, we will focus on the role of mitochondria in atherosclerosis while keeping inflammation as a link. Mitochondria are the main source of cellular energy. Under stress, mitochondria are also capable of controlling inflammation through the production of reactive oxygen species (ROS) and the release of mitochondrial components, such as mitochondrial DNA (mtDNA), into the cytoplasm or into the extracellular matrix, where they act as danger signals when recognized by innate immune receptors. Primary or secondary mitochondrial dysfunctions are associated with the initiation and progression of atherosclerosis by elevating the production of ROS, altering mitochondrial dynamics and energy supply, as well as promoting inflammation. Knowing and understanding the pathways behind mitochondrial-based inflammation in atheroma progression is essential to discovering alternative or complementary treatments.
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31
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Negi D, Singh A, Joshi N, Mishra N. Cisplatin and Probiotic Biomass Loaded Pessaries for the Management of Cervical Cancer. Anticancer Agents Med Chem 2021; 20:589-598. [PMID: 31823703 DOI: 10.2174/1871520619666191211110640] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/29/2019] [Accepted: 10/31/2019] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Cancer is a type of disease, in which the growth of cells is abnormal and uncontrolled. One of the most common cancers among women is cervical cancer. In India, cervical cancer is one of leading causes of cancer mortality among women 30 to 69 years of age, accounting for 17% of all cancer deaths. The work present here shows the combined effects of anticancer drug along with probiotics to circumvent the side effects associated with chemotherapy and to enhance the therapeutic effect. MATERIALS AND METHODS Cisplatin and drug loaded pessaries were prepared by melt mold method using the blend of PEG's (Polyethylene Glycol) and further characterized for various in vitro and in vivo parameters. RESULTS AND DISCUSSION The free radical scavenging activity of probiotic Lactobacillus rhamnosus by DPPH (2,2-diphenyl-1-picrylhydrazyl) assay was observed to be 60.77μg/mL The mean weight variation, melting time, content uniformity, friability and hardness of the prepared pessary were 1.25±0.025mg, 10.86±0.64min, 99.89±0.74, 0.25%, 2.2kg/cm2. Histopathology studies presented that the developed formulation are safe for local delivery of cisplatin. CONCLUSION This study provides the basis for a combination of local delivery approach along with the beneficial effects of probiotic strain which could be better a approach for the treatment of cervical cancer.
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Affiliation(s)
- Deepa Negi
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Amandeep Singh
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Navin Joshi
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Neeraj Mishra
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab 142001, India
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32
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George S, Abrahamse H. Redox Potential of Antioxidants in Cancer Progression and Prevention. Antioxidants (Basel) 2020; 9:antiox9111156. [PMID: 33233630 PMCID: PMC7699713 DOI: 10.3390/antiox9111156] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/26/2020] [Accepted: 10/30/2020] [Indexed: 12/11/2022] Open
Abstract
The benevolent and detrimental effects of antioxidants are much debated in clinical trials and cancer research. Several antioxidant enzymes and molecules are overexpressed in oxidative stress conditions that can damage cellular proteins, lipids, and DNA. Natural antioxidants remove excess free radical intermediates by reducing hydrogen donors or quenching singlet oxygen and delaying oxidative reactions in actively growing cancer cells. These reducing agents have the potential to hinder cancer progression only when administered at the right proportions along with chemo-/radiotherapies. Antioxidants and enzymes affect signal transduction and energy metabolism pathways for the maintenance of cellular redox status. A decline in antioxidant capacity arising from genetic mutations may increase the mitochondrial flux of free radicals resulting in misfiring of cellular signalling pathways. Often, a metabolic reprogramming arising from these mutations in metabolic enzymes leads to the overproduction of so called ’oncometabolites’ in a state of ‘pseudohypoxia’. This can inactivate several of the intracellular molecules involved in epigenetic and redox regulations, thereby increasing oxidative stress giving rise to growth advantages for cancerous cells. Undeniably, these are cell-type and Reactive Oxygen Species (ROS) specific, which is manifested as changes in the enzyme activation, differences in gene expression, cellular functions as well as cell death mechanisms. Photodynamic therapy (PDT) using light-activated photosensitizing molecules that can regulate cellular redox balance in accordance with the changes in endogenous ROS production is a solution for many of these challenges in cancer therapy.
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Affiliation(s)
- Sajan George
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India;
- Laser Research Centre, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
- Correspondence:
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Sancilio A, Jasienska G, Panter-Brick C, Ziomkiewicz A, Nenko I, Bribiescas RG. Accelerated senescence as a cost of reproduction: Testing associations between oxidative stress and reproductive effort in rural and urban women. Am J Hum Biol 2020; 33:e23537. [PMID: 33190335 DOI: 10.1002/ajhb.23537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES Oxidative stress is hypothesized to contribute to age-related somatic deterioration. Both reproductive and ecological context may necessitate tradeoffs that influence this outcome. We examined whether measures of lifetime reproductive effort were related to levels of oxidative stress biomarkers in peri- and post-menopausal women and whether associations were moderated by rural or urban residence. METHODS We surveyed 263 healthy women (age 62.1 ± 10.0 SD) from rural (N = 161) and urban Poland (N = 102), collecting sociodemographic data and urine samples to analyze biomarkers of oxidative stress (8-oxo-2'-deoxyguanosine, 8-OHdG) and antioxidative defense (copper-zinc superoxide dismutase, Cu-Zn SOD). Linear regression models, adjusted for residence, were used to test for associations between reproductive effort and 8-OHdG and Cu-Zn SOD. RESULTS Univariate models demonstrated significant associations between gravidity and the biomarkers of oxidative stress (8-OHdG: R2 = 0.042, P ≤ .001; Cu-Zn SOD: R2 = 0.123, P ≤ .001). Multivariate models incorporating potential confounding variables, as well as cross-product interaction terms, indicated that gravidity was associated with 8-OHdG (P < .01, R2 adj = 0.067) and Cu-Zn SOD (P = .01, R2 adj = 0.159). Residence (ie, urban vs rural) did not significantly moderate the associations between the biomarkers and reproductive effort. CONCLUSIONS Higher lifetime reproductive effort contributes to increases in oxidative stress and antioxidative defenses. Our results provide evidence of potential mechanisms underlying the physiological tradeoffs influencing senescence for women with high reproductive effort. We illustrate the value of applying an evolutionary perspective to elucidate variation in human health and senescence.
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Affiliation(s)
- Amelia Sancilio
- Center for Health and the Social Sciences, University of Chicago, Chicago, Illinois, USA.,Department of Anthropology, Yale University, New Haven, Connecticut, USA
| | - Grazyna Jasienska
- Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Kraków, Poland
| | | | - Anna Ziomkiewicz
- Department of Anthropology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland.,Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Ilona Nenko
- Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Kraków, Poland
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Rysz J, Franczyk B, Ławiński J, Gluba-Brzózka A. Oxidative Stress in ESRD Patients on Dialysis and the Risk of Cardiovascular Diseases. Antioxidants (Basel) 2020; 9:antiox9111079. [PMID: 33153174 PMCID: PMC7693989 DOI: 10.3390/antiox9111079] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open
Abstract
Chronic kidney disease is highly prevalent worldwide. The decline of renal function is associated with inadequate removal of a variety of uremic toxins that exert detrimental effects on cells functioning, thus affecting the cardiovascular system. The occurrence of cardiovascular aberrations in CKD is related to the impact of traditional risk factors and non-traditional CKD-associated risk factors, including anemia; inflammation; oxidative stress; the presence of some uremic toxins; and factors related to the type, frequency of dialysis and the composition of dialysis fluid. Cardiovascular diseases are the most frequent cause for the deaths of patients with all stages of renal failure. The kidney is one of the vital sources of antioxidant enzymes, therefore, the impairment of this organ is associated with decreased levels of these enzymes as well as increased levels of pro-oxidants. Uremic toxins have been shown to play a vital role in the onset of oxidative stress. Hemodialysis itself also enhances oxidative stress. Elevated oxidative stress has been demonstrated to be strictly related to kidney and cardiac damage as it aggravates kidney dysfunction and induces cardiac hypertrophy. Antioxidant therapies may prove to be beneficial since they can decrease oxidative stress, reduce uremic cardiovascular toxicity and improve survival.
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Affiliation(s)
- Jacek Rysz
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-419 Łódź, Poland; (J.R.); (B.F.)
| | - Beata Franczyk
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-419 Łódź, Poland; (J.R.); (B.F.)
| | - Janusz Ławiński
- Department of Urology, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
| | - Anna Gluba-Brzózka
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-419 Łódź, Poland; (J.R.); (B.F.)
- Correspondence: ; Tel.: +48-42-639-3750
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Si Z, Guan N, Zhou Y, Mei L, Li Y, Li Y. A Methionine Sulfoxide Reductase B Is Required for the Establishment of Astragalus sinicus-Mesorhizobium Symbiosis. PLANT & CELL PHYSIOLOGY 2020; 61:1631-1645. [PMID: 32618998 DOI: 10.1093/pcp/pcaa085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
Methionine sulfoxide reductase B (MsrB) is involved in oxidative stress or defense responses in plants. However, little is known about its role in legume-rhizobium symbiosis. In this study, an MsrB gene was identified from Astragalus sinicus and its function in symbiosis was characterized. AsMsrB was induced under phosphorus starvation and displayed different expression patterns under symbiotic and nonsymbiotic conditions. Hydrogen peroxide or methyl viologen treatment enhanced the transcript level of AsMsrB in roots and nodules. Subcellular localization showed that AsMsrB was localized in the cytoplasm of onion epidermal cells and co-localized with rhizobia in nodules. Plants with AsMsrB-RNAi hairy roots exhibited significant decreases in nodule number, nodule nitrogenase activity and fresh weight of the aerial part, as well as an abnormal nodule and symbiosome development. Statistical analysis of infection events showed that plants with AsMsrB-RNAi hairy roots had significant decreases in the number of root hair curling events, infection threads and nodule primordia compared with the control. The content of hydrogen peroxide increased in AsMsrB-RNAi roots but decreased in AsMsrB overexpression roots at the early stage of infection. The transcriptome analysis showed synergistic modulations of the expression of genes involved in reactive oxygen species generation and scavenging, defense and pathogenesis and early nodulation. In addition, a candidate protein interacting with AsMsrB was identified and confirmed by bimolecular fluorescence complementation. Taken together, our results indicate that AsMsrB plays an essential role in nodule development and symbiotic nitrogen fixation by affecting the redox homeostasis in roots and nodules.
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Affiliation(s)
- Zaiyong Si
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Ning Guan
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yuan Zhou
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Lingli Mei
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yixing Li
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Youguo Li
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
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Aliper AM, Bozdaganyan ME, Sarkisova VA, Veviorsky AP, Ozerov IV, Orekhov PS, Korzinkin MB, Moskalev A, Zhavoronkov A, Osipov AN. Radioprotectors.org: an open database of known and predicted radioprotectors. Aging (Albany NY) 2020; 12:15741-15755. [PMID: 32805729 PMCID: PMC7467366 DOI: 10.18632/aging.103815] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 07/20/2020] [Indexed: 12/20/2022]
Abstract
The search for radioprotectors is an ambitious goal with many practical applications. Particularly, the improvement of human radioresistance for space is an important task, which comes into view with the recent successes in the space industry. Currently, all radioprotective drugs can be divided into two large groups differing in their effectiveness depending on the type of exposure. The first of these is radioprotectors, highly effective for pulsed, and some types of relatively short exposure to irradiation. The second group consists of long-acting radioprotectors. These drugs are effective for prolonged and fractionated irradiation. They also protect against impulse exposure to ionizing radiation, but to a lesser extent than short-acting radioprotectors. Creating a database on radioprotectors is a necessity dictated by the modern development of science and technology. We have created an open database, Radioprotectors.org, containing an up-to-date list of substances with proven radioprotective properties. All radioprotectors are annotated with relevant chemical and biological information, including transcriptomic data, and can be filtered according to their properties. Additionally, the performed transcriptomics analysis has revealed specific transcriptomic profiles of radioprotectors, which should facilitate the search for potent radioprotectors.
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Affiliation(s)
| | - Marine E Bozdaganyan
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong.,Lomonosov Moscow State University, School of Biology, Moscow, Russia.,N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Viktoria A Sarkisova
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong.,Lomonosov Moscow State University, School of Biology, Moscow, Russia
| | | | - Ivan V Ozerov
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong
| | - Philipp S Orekhov
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong.,Lomonosov Moscow State University, School of Biology, Moscow, Russia.,The Moscow Institute of Physics and Technology, Moscow Region, Dolgoprudny, Russia
| | | | - Alexey Moskalev
- Department of Radioecology, Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology of the FRC of Komi Science Center, Ural Branch, Russian Academy of Sciences, Syktyvkar, Komi Republic, Russia
| | - Alex Zhavoronkov
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong
| | - Andreyan N Osipov
- Insilico Medicine, Hong Kong Science and Technology Park, Hong Kong.,N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia.,The Moscow Institute of Physics and Technology, Moscow Region, Dolgoprudny, Russia.,State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow, Russia
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Effects of Percutaneous Collagen Induction Therapy Associated with Hyaluronic Acid on Inflammatory Response, Oxidative Stress, and Collagen Production. Inflammation 2020; 43:2232-2244. [PMID: 32647956 DOI: 10.1007/s10753-020-01291-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Percutaneous collagen induction (PCI) is an alternative treatment for skin dysfunctions, it aims to stimulate collagen production by encouraging normal wound healing that occurs after any trauma by inducing microlesions; also it may be potentiated with the association with drugs such as hyaluronic acid (HA). Our objective was to evaluate the effects of PCI associated with hyaluronic acid (0.9%) on inflammatory process, oxidative stress, and collagen production in rat epidermis. For the study, 36 adult Wistar rats were randomly divided into 6 groups (n = 6): Control; PCI 0.5; PCI 1.0; HA; PCI 0.5 + HA; and PCI 1.0 + HA. The animals were anesthetized, trichotomized, and the application of therapies was performed once; After 7 days, the animals were euthanized for removal of the skin region. Levels of pro-inflammatory (IL1, IL6, TNFα), anti-inflammatory (IL4 and IL10) cytokines and growth factors (FGF, TGFβ) were evaluated, besides oxidative stress parameters and histological analysis. In combination groups, there is a decrease in TNFα compared with the control and PCI groups in contrast to a significant increase in anti-inflammatory cytokines and growth factors. Oxidant and oxidative damage levels showed a significant decrease in PCI + HA groups in relation to PCI groups while antioxidant defense increased in PCI + HA groups compared with the control group. The number of fibroblasts was increased in the PCI 1.0 group in relation to the control, HA, and PCI 0.5. The number of blood vessels and collagen area was increased in groups PCI and PCI + HA compared with the HA group. We conclude that the combination of PCI with HA is able to accelerate the acute inflammatory process, reducing its deleterious effects and anticipating the chronic response, contributing to tissue repair.
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Urinary 8-OHdG as a Biomarker for Oxidative Stress: A Systematic Literature Review and Meta-Analysis. Int J Mol Sci 2020; 21:ijms21113743. [PMID: 32466448 PMCID: PMC7313038 DOI: 10.3390/ijms21113743] [Citation(s) in RCA: 133] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress reflects a disturbance in the balance between the production and accumulation of reactive oxygen species (ROS). ROS are scavenged by the antioxidant system, but when in excess concentration, they can oxidize proteins, lipids, and DNA. DNA damage is usually repaired, and the oxidized products are excreted in urine. 8-hydroxy-2-deoxyguanosine is considered a biomarker for oxidative damage of DNA. It is needed to define background ranges for 8-OHdG, to use it as a measure of oxidative stress overproduction. We established a standardized protocol for a systematic review and meta-analysis to assess background ranges for urinary 8-OHdG concentrations in healthy populations. We computed geometric mean (GM) and geometric standard deviations (GSD) as the basis for the meta-analysis. We retrieved an initial 1246 articles, included 84 articles, and identified 128 study subgroups. We stratified the subgroups by body mass index, gender, and smoking status reported. The pooled GM value for urinary 8-OHdG concentrations in healthy adults with a mean body mass index (BMI) ≤ 25 measured using chemical methods was 3.9 ng/mg creatinine (interquartile range (IQR): 3 to 5.5 ng/mg creatinine). A significant positive association was observed between smoking and urinary 8-OHdG concentrations when measured by chemical analysis. No gender effect was observed.
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Robinson R, Srinivasan M, Shanmugam A, Ward A, Ganapathy V, Bloom J, Sharma A, Sharma S. Interleukin-6 trans-signaling inhibition prevents oxidative stress in a mouse model of early diabetic retinopathy. Redox Biol 2020; 34:101574. [PMID: 32422539 PMCID: PMC7231846 DOI: 10.1016/j.redox.2020.101574] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/09/2020] [Accepted: 05/10/2020] [Indexed: 02/07/2023] Open
Abstract
Purpose Diabetic retinopathy (DR), a microvascular complication of diabetes, is the leading cause of visual disability and blindness in diabetic patients. Chronic hyperglycemia leads to increased oxidative stress and inflammation in the retina, resulting in microvascular damage. Our recent in vitro studies have demonstrated that inhibition of interleukin-6 (IL-6) trans-signaling significantly reduces oxidative stress in retinal endothelial cells. The purpose of this study was to further explore the relationship between IL-6 trans-signaling and oxidative stress using a streptozotocin (STZ) induced mouse model of early diabetic retinopathy. Methods Diabetes was induced in eight week-old male C57BL/6J mice using STZ injections. sgp130Fc (mouse sgp130Fc protein) treatment was used for inhibition of IL-6 trans-signaling. Studies were conducted to evaluate the effects of IL-6 trans-signaling on oxidative balance at the systemic and retinal level. Results Decreased antioxidant capacity and increased oxidative stress was observed in diabetic mice, which returned to near-normal levels with sgp130Fc treatment. Similarly, superoxide levels, lipid peroxidation, and markers of oxidative DNA damage were increased in the diabetic retina, and these effects were abrogated by sgp130Fc treatment. Inhibition of IL-6 trans-signaling also restored normal expression of catalase and endothelial nitric oxide synthase in mouse retinas. Conclusions Inhibition of IL-6 trans-signaling significantly reduces diabetes-induced oxidative damage at the systemic level and in the retina. These findings provide further evidence for the role of IL-6 trans-signaling in diabetes-mediated oxidative stress. Decreased antioxidant capacity and increased oxidative stress in mice with DR. Inhibition of L-6 trans-signaling restores catalase and eNOS in the retina. Inhibition of IL-6 trans-signaling reduces retinal oxidative damage.
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Affiliation(s)
- Rebekah Robinson
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Mukund Srinivasan
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Arul Shanmugam
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Alexander Ward
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Veena Ganapathy
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Justin Bloom
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Ashok Sharma
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA; Culver Vision Discovery Institute, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Population Health Sciences, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Shruti Sharma
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA; Culver Vision Discovery Institute, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Ophthalmology, Medical College of Georgia, Augusta University, Augusta, GA, USA.
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40
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The Role of Mitochondria in Inflammation: From Cancer to Neurodegenerative Disorders. J Clin Med 2020; 9:jcm9030740. [PMID: 32182899 PMCID: PMC7141240 DOI: 10.3390/jcm9030740] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/24/2020] [Accepted: 03/06/2020] [Indexed: 12/14/2022] Open
Abstract
The main features that are commonly attributed to mitochondria consist of the regulation of cell proliferation, ATP generation, cell death and metabolism. However, recent scientific advances reveal that the intrinsic dynamicity of the mitochondrial compartment also plays a central role in proinflammatory signaling, identifying these organelles as a central platform for the control of innate immunity and the inflammatory response. Thus, mitochondrial dysfunctions have been related to severe chronic inflammatory disorders. Strategies aimed at reestablishing normal mitochondrial physiology could represent both preventive and therapeutic interventions for various pathologies related to exacerbated inflammation. Here, we explore the current understanding of the intricate interplay between mitochondria and the innate immune response in specific inflammatory diseases, such as neurological disorders and cancer.
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Amari T, Souid A, Ghabriche R, Porrini M, Lutts S, Sacchi GA, Abdelly C, Ghnaya T. Why Does the Halophyte Mesembryanthemum crystallinum Better Tolerate Ni Toxicity than Brassica juncea: Implication of Antioxidant Defense Systems. PLANTS (BASEL, SWITZERLAND) 2020; 9:E312. [PMID: 32131526 PMCID: PMC7154810 DOI: 10.3390/plants9030312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/11/2020] [Accepted: 02/19/2020] [Indexed: 05/06/2023]
Abstract
The implication of enzymatic and non-enzymatic antioxidative systems in response to Ni was evaluated in the halophyte Mesembryanthemum crystallinum in comparison with the metal tolerant glycophyte species Brassica juncea. Seedlings of both species were hydroponically subjected during 21 days to 0, 25, 50, and 100 µM NiCl2. Growth parameters showed that the halophyte M. crystallinum was more tolerant to Ni than B. juncea. Malondialdehyde (MDA) content increased to a higher extent in B. juncea than in M. crystallinum. Antioxidant enzymesactivities were differently affected by Ni in both species. Nickel increased shoot superoxide dismutase (SOD) and ascorbate peroxidase (APX) activities in B. juncea, whereas these activities were reduced in M. crystallinum when exposed to metal stress. The root SOD, APX and guaiacol peroxidase (GPX) activities increased upon Ni treatments for both species. The content of non-enzymatic antioxidative molecules such as glutathione, non-protein thiols and proline increased in Ni-treated plants, except for GSH content in the shoot of B. juncea. Based on the oxidative balance, our findings confirm the higher tolerance of the halophyte M. crystallinum to Ni-induced oxidative stress comparatively to B. juncea. We suggest that M. crystallinum is able to overcome the produced ROS using the non-enzymatic system, while Ni-induced oxidative stress was more acute in B. juncea, leading this species to mainly use the enzymatic system to protect against reactive oxygen species.
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Affiliation(s)
- Taoufik Amari
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Aymen Souid
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Rim Ghabriche
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Mauro Porrini
- Department of Agricultural and Environmental Sciences, UniversitàdegliStudi di Milano, 20133 Milan, Italy; (M.P.); (G.A.S.)
| | - Stanley Lutts
- Groupe de Recherche enPhysiologieVégétale (GRPV), Earth and Life Institute, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium;
| | - Gian Attilio Sacchi
- Department of Agricultural and Environmental Sciences, UniversitàdegliStudi di Milano, 20133 Milan, Italy; (M.P.); (G.A.S.)
| | - Chedly Abdelly
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Tahar Ghnaya
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
- Higher Institute of Arts and Crafts of Tataouine, University of Gabes Erriadh City, Zrig-Gabes 6072, Tunisia
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Fuentes-Baile M, Bello-Gil D, Pérez-Valenciano E, Sanz JM, García-Morales P, Maestro B, Ventero MP, Alenda C, Barberá VM, Saceda M. CLytA-DAAO, Free and Immobilized in Magnetic Nanoparticles, induces Cell Death in Human Cancer Cells. Biomolecules 2020; 10:biom10020222. [PMID: 32028649 PMCID: PMC7072168 DOI: 10.3390/biom10020222] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 12/13/2022] Open
Abstract
D-amino acid oxidase (DAAO) catalyzes the oxidation of D-amino acids generating hydrogen peroxide, a potential producer of reactive oxygen species. In this study, we used a CLytA-DAAO chimera, both free and bound to magnetic nanoparticles, against colon carcinoma, pancreatic adenocarcinoma, and glioblastoma cell lines. We found that the enzyme induces cell death in most of the cell lines tested and its efficiency increases significantly when it is immobilized in nanoparticles. We also tested this enzyme therapy in non-tumor cells, and we found that there is not cell death induction, or it is significantly lower than in tumor cells. The mechanism triggering cell death is apparently a classical apoptosis pathway in the glioblastoma cell lines, while in colon and pancreatic carcinoma cell lines, CLytA-DAAO-induced cell death is a necrosis. Our results constitute a proof of concept that an enzymatic therapy, based on magnetic nanoparticles-delivering CLytA-DAAO, could constitute a useful therapy against cancer and besides it could be used as an enhancer of other treatments such as epigenetic therapy, radiotherapy, and treatments based on DNA repair.
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Affiliation(s)
- María Fuentes-Baile
- Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), C/Maestro Alonso, 10, 03005 Alicante, Spain; (M.F.-B.); (M.P.V.); (C.A.)
- Unidad de Investigación. Hospital General Universitario de Elche, Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (FISABIO), Camí de l’Almazara, 11, 03203 Elche (Alicante), Spain; (P.G.-M.); (V.M.B.)
| | - Daniel Bello-Gil
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
| | - Elizabeth Pérez-Valenciano
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
| | - Jesús M. Sanz
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
- Centro de Investigaciones Biológicas Margarita Salas (Consejo Superior de Investigaciones Científicas) and Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), C/Ramiro de Maeztu, 9, 28040 Madrid, Spain
| | - Pilar García-Morales
- Unidad de Investigación. Hospital General Universitario de Elche, Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (FISABIO), Camí de l’Almazara, 11, 03203 Elche (Alicante), Spain; (P.G.-M.); (V.M.B.)
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
| | - Beatriz Maestro
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
- Centro de Investigaciones Biológicas Margarita Salas (Consejo Superior de Investigaciones Científicas) and Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), C/Ramiro de Maeztu, 9, 28040 Madrid, Spain
| | - María P. Ventero
- Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), C/Maestro Alonso, 10, 03005 Alicante, Spain; (M.F.-B.); (M.P.V.); (C.A.)
| | - Cristina Alenda
- Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), C/Maestro Alonso, 10, 03005 Alicante, Spain; (M.F.-B.); (M.P.V.); (C.A.)
| | - Víctor M. Barberá
- Unidad de Investigación. Hospital General Universitario de Elche, Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (FISABIO), Camí de l’Almazara, 11, 03203 Elche (Alicante), Spain; (P.G.-M.); (V.M.B.)
- Unidad de Genética Molecular. Hospital General Universitario de Elche. Camí de l’Almazara, 11, 03203 Elche (Alicante), Spain
| | - Miguel Saceda
- Unidad de Investigación. Hospital General Universitario de Elche, Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (FISABIO), Camí de l’Almazara, 11, 03203 Elche (Alicante), Spain; (P.G.-M.); (V.M.B.)
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avda. Universidad s/n, Ed. Torregaitán, 03202 Elche (Alicante), Spain; (D.B.-G.); (E.P.-V.); (J.M.S.); (B.M.)
- Correspondence: ; Tel.: +34-966658432
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de Souza MR, Rohr P, Kahl VFS, Kvitko K, Cappetta M, Lopes WM, Simon D, da Silva J. The influence of polymorphisms of xenobiotic-metabolizing and DNA repair genes in DNA damage, telomere length and global DNA methylation evaluated in open-cast coal mining workers. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 189:109975. [PMID: 31787382 DOI: 10.1016/j.ecoenv.2019.109975] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 06/10/2023]
Abstract
Coal plants represent one of the main sources of environmental pollution due to the combustion process of this mineral and the consequent release of gases and particles which, in significant quantities, can lead to a potential risk to health and the environment. The susceptibility of individuals to the genotoxic effects of coal mining can be modulated by genetic variations in the xenobiotic detoxification and DNA repair processes. The aim of this study was to evaluate if xenobiotic metabolism polymorphism, base excision repair polymorphisms and non-homologous end joining repair polymorphism, could modify individual susceptibility to genomic instability and epigenetic alterations induced in workers by occupational exposure to coal. In this study, polymerase chain reaction was used to examine the polymorphic sites. The sample population comprising 70 coal mine workers and 71 workers non-exposed to coal. Our results demonstrated the effect of individual genotypes on different biomarkers evaluated. Significant decrease in % of global DNA methylation were observed in CYP1A1 Val/- exposed individuals compared to CYP1A1 Ile/Ile individuals. Coal workers who carried the XRCC4 Ile/Ile genotype showed decrease NBUD frequencies, while the XRCC4 Thr/- genotype was associated with decrease in Buccal micronucleus cells for the group not exposed. No influence of GSTM1 null, GSTT1 null, GSTP1 Ile105Val, hOGG1 Ser326Cys, XRCC1 Arg194Trp polymorphisms was observed. Thus, the current study reinforces the importance of considering the effect of metabolizing and repair variant genotypes on the individual susceptibility to incorporate DNA damage, as these processes act in a coordinated manner to determine the final response to coal exposure.
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Affiliation(s)
- Melissa Rosa de Souza
- Laboratory of Genetic Toxicology, Post-Graduate Program in Cellular and Molecular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Paula Rohr
- Laboratory of Genetic Toxicology, Post-Graduate Program in Cellular and Molecular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | | | - Kátia Kvitko
- Laboratory of Immunogenetics, Post-Graduate Program in Genetics and Molecular Biology (PPGBM), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Mónica Cappetta
- Laboratory of Genetic Epidemiology, Department of Genetics, Medicine School, Universidad de la República, Montevideo, Uruguay
| | - Wilner Martinez Lopes
- Department of Genetic Toxicology and Chromosome Pathology, Instituto de Investigaciones Biologicas Clemente Estable, Montevideo, Uruguay
| | - Daniel Simon
- Laboratory of Human Molecular Genetics, Post-Graduate Program in Cellular and Molecular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, Post-Graduate Program in Cellular and Molecular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil; Laboratory of Genetic Toxicology, La Salle University (UniLaSalle), Canoas, RS, Brazil.
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Chen H, Xu L, Tuo W, Chen X, Huang J, Zhang X, Sun Y. Fabrication of a Smart Nanofluidic Biosensor through a Reversible Covalent Bond Strategy for High-Efficiency Bisulfite Sensing and Removal. Anal Chem 2020; 92:4131-4136. [DOI: 10.1021/acs.analchem.0c00131] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Huan Chen
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, China
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, Hubei 430062, China
| | - Liying Xu
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 43007, China
| | - Wei Tuo
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Xiaoya Chen
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, China
| | - Jinmei Huang
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, China
| | - Xin Zhang
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, China
| | - Yao Sun
- Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Center of Chemical Biology, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, China
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Hamad AM, Fahmy HM, Elshemey WM. FT-IR spectral features of DNA as markers for the detection of liver preservation using irradiation. Radiat Phys Chem Oxf Engl 1993 2020. [DOI: 10.1016/j.radphyschem.2019.108522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Inflammation and Oxidative Stress in Chronic Kidney Disease-Potential Therapeutic Role of Minerals, Vitamins and Plant-Derived Metabolites. Int J Mol Sci 2019; 21:ijms21010263. [PMID: 31906008 PMCID: PMC6981831 DOI: 10.3390/ijms21010263] [Citation(s) in RCA: 194] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/23/2019] [Accepted: 12/27/2019] [Indexed: 02/07/2023] Open
Abstract
Chronic kidney disease (CKD) is a debilitating pathology with various causal factors, culminating in end stage renal disease (ESRD) requiring dialysis or kidney transplantation. The progression of CKD is closely associated with systemic inflammation and oxidative stress, which are responsible for the manifestation of numerous complications such as malnutrition, atherosclerosis, coronary artery calcification, heart failure, anemia and mineral and bone disorders, as well as enhanced cardiovascular mortality. In addition to conventional therapy with anti-inflammatory and antioxidative agents, growing evidence has indicated that certain minerals, vitamins and plant-derived metabolites exhibit beneficial effects in these disturbances. In the current work, we review the anti-inflammatory and antioxidant properties of various agents which could be of potential benefit in CKD/ESRD. However, the related studies were limited due to small sample sizes and short-term follow-up in many trials. Therefore, studies of several anti-inflammatory and antioxidant agents with long-term follow-ups are necessary.
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Aucubin, An Active Ingredient in Aucuba japonica, Prevents N-methyl- N-nitrosourea-induced Retinal Degeneration in Mice. Molecules 2019; 24:molecules24244437. [PMID: 31817154 PMCID: PMC6943555 DOI: 10.3390/molecules24244437] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/20/2019] [Accepted: 11/27/2019] [Indexed: 12/19/2022] Open
Abstract
In the present study, we examined the potent retinoprotective effects of an ethanol-based extract of Aucuba japonica (AJE) and its active ingredient, aucubin, on N-methyl-N-nitrosourea (MNU)-induced retinal degeneration in mice. Retinal degeneration was induced by an intraperitoneal injection of MNU (60 mg/kg). AJE (250 mg/kg) and aucubin (15 mg/kg) were orally administered for 1 week after the MNU injection. Electroretinography (ERG) and histological examinations were performed. Retinal apoptosis and oxidative DNA damage were also quantified. The retinoprotective abilities of AJE and aucubin were also assessed in primary cultured retinal cells. Morphologically, MNU induced a remarkable decrease in the outer nuclear layer, which contains photoreceptor cells. However, this layer was well preserved in the AJE- and aucubin-administered mice. The ERG responses significantly decreased in both a- and b-wave amplitudes in the MNU-injected mice. In the AJE and aucubin-treated mice, ERG responses were significantly increased. In addition, a terminal deoxynucleotidyl transferase dUTP nick end-labeling (TUNEL) assay and immunohistochemical staining for 8-hydroxydeoxyguanosine (8-OHdG) revealed that both AJE and aucubin attenuated MNU-induced photoreceptor cell apoptosis and oxidative DNA damage. Furthermore, the in vitro assay also showed that AJE and aucubin have potent anti-oxidative and anti-apoptotic activities in primary cultured retinal cells. These results indicate that AJE and aucubin have potent retinoprotective effects, and that this retinoprotective activity is as a result of the potency of the bioactive compound, aucubin. These pharmacological characteristics suggest the additional application of AJE or aucubin in the treatment of patients with retinal degenerative diseases.
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Pejčić T, Tosti T, Džamić Z, Gašić U, Vuksanović A, Dolićanin Z, Tešić Ž. The Polyphenols as Potential Agents in Prevention and Therapy of Prostate Diseases. Molecules 2019; 24:molecules24213982. [PMID: 31689909 PMCID: PMC6864651 DOI: 10.3390/molecules24213982] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/25/2019] [Accepted: 10/28/2019] [Indexed: 01/28/2023] Open
Abstract
In recent years, the progress of science and medicine greatly has influenced human life span and health. However, lifestyle habits, like physical activity, smoking cessation, moderate alcohol consumption, diet, and maintaining a normal body weight represent measures that greatly reduce the risk of various diseases. The type of diet is very important for disease development. Numerous epidemiological clinical data confirm that longevity is linked to predominantly plant-based diets and it is related to a long life; whereas the western diet, rich in red meat and fats, increases the risk of oxidative stress and thus the risk of developing various diseases and pre-aging. This review is focused on the bioavailability of polyphenols and the use of polyphenols for the prevention of prostate diseases. Special focus in this paper is placed on the isoflavonoids and flavan-3-ols, subgroups of polyphenols, and their protective effects against the development of prostate diseases.
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Affiliation(s)
- Tomislav Pejčić
- Clinic of Urology, Clinical Centre of Serbia, 11060 Belgrade, Serbia.
- Faculty of Medicine, University of Belgrade; Bulevar Despota Stefana 142, 11060 Belgrade, Serbia.
| | - Tomislav Tosti
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, P.O. Box 51, 11158 Belgrade, Serbia.
| | - Zoran Džamić
- Clinic of Urology, Clinical Centre of Serbia, 11060 Belgrade, Serbia.
- Faculty of Medicine, University of Belgrade; Bulevar Despota Stefana 142, 11060 Belgrade, Serbia.
| | - Uroš Gašić
- Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia.
| | - Aleksandar Vuksanović
- Clinic of Urology, Clinical Centre of Serbia, 11060 Belgrade, Serbia.
- Faculty of Medicine, University of Belgrade; Bulevar Despota Stefana 142, 11060 Belgrade, Serbia.
| | - Zana Dolićanin
- Department for Biomedical Sciences, State University at Novi Pazar, 36300 Novi Pazar, Serbia.
| | - Živoslav Tešić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, P.O. Box 51, 11158 Belgrade, Serbia.
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Ercan M, Alp HH, Kocaturk H, Bakan N, Gul M. Oxidative stress before and after surgery in benign prostatic hyperplasia patients. Andrologia 2019; 51:e13326. [PMID: 31158928 DOI: 10.1111/and.13326] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/07/2019] [Accepted: 05/01/2019] [Indexed: 01/15/2023] Open
Abstract
The aim was to assess oxidative stress in benign prostatic hyperplasia patients and also to evaluate the effect of operation in late (60 days) post-operative period. This study was conducted with 16 patients with benign prostatic hyperplasia and 16 healthy subjects. Serum malondialdehyde, blood 8-hydroxy-2'-deoxyguanosine/deoxyguanosine, erythrocyte superoxide dismutase, serum total coenzyme Q10 and coenzyme Q10 levels were measured. Independent samples t test was used to analyse the differences between control group and patients, while paired t test was used to analyse the differences between pre-operative and post-operative periods. Malondialdehyde and total coenzyme Q10 levels were lower in patients, while 8-hydroxy-2'-deoxyguanosine/deoxyguanosine level was increased. However, superoxide dismutase activity and coenzyme Q10 levels did not differ. After 60 days of operation, 8-hydroxy-2'-deoxyguanosine/deoxyguanosine and superoxide dismutase activity decreased, while total coenzyme Q10 level increased. However, malondialdehyde and coenzyme Q10 levels were not affected. The international prostate symptom scores of the patients were also decreased after the operation. The results suggest that blood 8-hydroxy-2'-deoxyguanosine/deoxyguanosine level may reflect the oxidative stress better than the malondialdehyde level, and surgical operation attenuates the oxidative stress in late post-operative period in benign prostatic hyperplasia patients.
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Affiliation(s)
- Mehlika Ercan
- Department of Physiology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Hamit Hakan Alp
- Department of Biochemistry, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Huseyin Kocaturk
- Department of Urology, Regional Training and Research Hospital, Erzurum, Turkey
| | - Nuri Bakan
- Department of Biochemistry, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Mustafa Gul
- Department of Physiology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
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Zeun P, Scahill RI, Tabrizi SJ, Wild EJ. Fluid and imaging biomarkers for Huntington's disease. Mol Cell Neurosci 2019; 97:67-80. [PMID: 30807825 DOI: 10.1016/j.mcn.2019.02.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 01/25/2019] [Accepted: 02/12/2019] [Indexed: 01/18/2023] Open
Abstract
Huntington's disease is a chronic progressive neurodegenerative condition for which there is no disease-modifying treatment. The known genetic cause of Huntington's disease makes it possible to identify individuals destined to develop the disease and instigate treatments before the onset of symptoms. Multiple trials are already underway that target the cause of HD, yet clinical measures are often insensitive to change over typical clinical trial duration. Robust biomarkers of drug target engagement, disease severity and progression are required to evaluate the efficacy of treatments and concerted efforts are underway to achieve this. Biofluid biomarkers have potential advantages of direct quantification of biological processes at the molecular level, whilst imaging biomarkers can quantify related changes at a structural level in the brain. The most robust biofluid and imaging biomarkers can offer complementary information, providing a more comprehensive evaluation of disease stage and progression to inform clinical trial design and endpoints.
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Affiliation(s)
- Paul Zeun
- Huntington's Disease Centre, University College London (UCL) Institute of Neurology, London WC1N 3BG, United Kingdom.
| | - Rachael I Scahill
- Huntington's Disease Centre, University College London (UCL) Institute of Neurology, London WC1N 3BG, United Kingdom.
| | - Sarah J Tabrizi
- Huntington's Disease Centre, University College London (UCL) Institute of Neurology, London WC1N 3BG, United Kingdom.
| | - Edward J Wild
- Huntington's Disease Centre, University College London (UCL) Institute of Neurology, London WC1N 3BG, United Kingdom.
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