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Țicolea M, Pop RM, Pârvu M, Usatiuc LO, Uifălean A, Ranga F, Pârvu AE. Phytochemical Composition Antioxidant and Anti-Inflammatory Activity of Artemisia dracunculus and Artemisia abrotanum. Antioxidants (Basel) 2024; 13:1016. [PMID: 39199260 PMCID: PMC11352149 DOI: 10.3390/antiox13081016] [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: 07/22/2024] [Revised: 08/10/2024] [Accepted: 08/17/2024] [Indexed: 09/01/2024] Open
Abstract
This study aimed to investigate the antioxidant and anti-inflammatory activities mechanism of Artemisia dracunculus (A. dracunculus) and Artemisia abrotanum (A. abrotanum) ethanol extracts in acute rat inflammation induced in Wistar male rats with turpentine oil. The characterization of the polyphenolic compounds in the extracts was conducted using UV-Vis and Fourier-transform infrared spectroscopy and high-performance liquid chromatography coupled with mass spectrometry techniques. The antioxidant activity of the extracts was evaluated in vitro by DPPH, FRAP, H2O2, and NO scavenging tests and in vivo by measuring the total oxidative status (TOS), total antioxidant capacity (TAC), oxidative stress index (OSI), 8-hydroxy-deoxyguanosine (8-Oxo-dG), advanced oxidation protein products (AOPP), malondialdehyde (MDA), nitric oxide (NO), 3-nitrotyrosine (3NT), and total thiols (SH). Inflammation was evaluated by measuring nuclear factor-kB-p65 (NfkB-p65) and NLRP3 inflammasome activation with IL-1β, IL-18, and gasdermin D. Liver and renal toxicity was determined following transaminases (ALT and AST), creatinine, and urea. The experimental results indicated that A. dracunculus and A. abrotanum ethanol extracts have moderate in vitro antioxidant activity and had in vivo antioxidant activity and an anti-inflammatory effect by NfkB-p65, IL-1b, IL-18, and gasdermin D serum level reduction. The antioxidant activity correlated with the chemical composition of the extracts. These results bring evidence-based use of A. dracunculus and A. abrotanum's in traditional and contemporary medicine.
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Affiliation(s)
- Mădălina Țicolea
- Department of Morpho-Functional Sciences, Discipline of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.Ț.); (L.-O.U.); (A.U.); (A.E.P.)
| | - Raluca Maria Pop
- Department of Morpho-Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Iuliu Haţieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
| | - Marcel Pârvu
- Department of Biology, Babes-Bolyai University, 400015 Cluj-Napoca, Romania
| | - Lia-Oxana Usatiuc
- Department of Morpho-Functional Sciences, Discipline of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.Ț.); (L.-O.U.); (A.U.); (A.E.P.)
| | - Ana Uifălean
- Department of Morpho-Functional Sciences, Discipline of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.Ț.); (L.-O.U.); (A.U.); (A.E.P.)
| | - Floricuța Ranga
- Food Science and Technology, Department of Food Science, University of Agricultural Science and Veterinary Medicine Cluj-Napoca, Calea Mănăștur, No 3-5, 400372 Cluj-Napoca, Romania;
| | - Alina Elena Pârvu
- Department of Morpho-Functional Sciences, Discipline of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.Ț.); (L.-O.U.); (A.U.); (A.E.P.)
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Low Level of Advanced Glycation End Products in Serum of Patients with Allergic Rhinitis and Chronic Epstein-Barr Virus Infection at Different Stages of Virus Persistence. J Immunol Res 2022; 2022:4363927. [PMID: 36405008 PMCID: PMC9674411 DOI: 10.1155/2022/4363927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 09/16/2022] [Accepted: 10/27/2022] [Indexed: 11/13/2022] Open
Abstract
Advanced glycation end products (AGEs) are formed in a nonenzymatic reaction of the reducing sugars with amino groups of proteins, lipids, and nucleic acids of different tissues and body fluids. A relatively small number of studies have been conducted on the role of AGEs in allergic inflammation. In this study, patients with allergic rhinitis (AR) were examined for the presence of Epstein-Barr virus and the content of fluorescent and nonfluorescent AGEs. We have also determined the level of a unique epitope (AGE10) which was recently identified in human serum using monoclonal antibodies against synthetic melibiose-derived AGE (MAGE). The levels of AGE10 determined with an immunoenzymatic method revealed no significant difference in the patients' blood with intermittent AR and chronic EBV persistence in the active and latent phases. It has been shown that there is a statistically significantly smaller amount of AGEs and pentosidine in groups of patients, both with and without viremia, than in healthy subjects. In turn, higher levels of immune complexes than of AGE10 were detected in the groups of patients, in contrast to the control group, which had lower levels of complexes than AGE10 concentration. In patients with active infection, there is even more complexes than of noncomplexed AGE10 antigen. The lower level of AGE in allergic rhinitis patient sera may also be due, besides complexes, to allergic inflammation continuously activating the cells, which effectively remove glycation products from the body.
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Association of Nasopharyngeal and Serum Glutathione Metabolism with Bronchiolitis Severity and Asthma Risk: A Prospective Multicenter Cohort Study. Metabolites 2022; 12:metabo12080674. [PMID: 35893241 PMCID: PMC9394245 DOI: 10.3390/metabo12080674] [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: 06/23/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022] Open
Abstract
Infants hospitalized for bronchiolitis are at high risk for asthma. Glutathione-related metabolites may antagonize oxidative stress, which induces airway injuries in respiratory infection and subsequent airway remodeling. However, little is known about the relationship of glutathione-related metabolites with bronchiolitis severity and the risk of asthma. In a multicenter prospective observational cohort study of infants hospitalized for bronchiolitis, we measured nasopharyngeal and serum glutathione-related metabolites by using liquid chromatography−tandem mass spectrometry. We then examined their association with bronchiolitis severity (defined by positive pressure ventilation (PPV) use). We also identified severity-related glutathione-related metabolite signatures and examined their association with asthma at age 6 years. In 1013 infants, we identified 12 nasopharyngeal and 10 serum glutathione-related metabolites. In the multivariable models, lower relative abundances of seven metabolites, e.g., substrates of glutathione, including cysteine (adjOR 0.21, 95%CI 0.06−0.76), glycine (adjOR 0.25, 95%CI 0.07−0.85), and glutamate (adjOR 0.25, 95%CI 0.07−0.88), were significantly associated with PPV use (all FDR < 0.05). These associations were consistent with serum glutathione-related metabolites. The nasopharyngeal glutathione-related metabolite signature was also associated with a significantly higher risk of asthma (adjOR 0.90, 95%CI 0.82−0.99, p = 0.04). In infants hospitalized for bronchiolitis, glutathione-related metabolites were associated with bronchiolitis severity and asthma risk.
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Erdoğan F, Şenkal E, Özer ÖF, İpek İÖ, Altuntaş ŞL, Özde Ş. Oxidative stress in maternal milk and cord blood in gestational diabetes mellitus: a prospective study. SAO PAULO MED J 2022; 140:390-397. [PMID: 35508001 PMCID: PMC9671259 DOI: 10.1590/1516-3180.2021.0209.r1.25082021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 08/27/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Reduced antioxidant defenses may reflect a poor protective response against oxidative stress and this may be implicated in progression of gestational diabetes mellitus (GDM). Oxidative stress induced by hyperglycemia plays a major role in micro and macrovascular complications, which imply endothelial dysfunction. OBJECTIVE Our aim in this study was to investigate the association between GDM and oxidative stress markers measured in plasma, with regard to revealing changes to total antioxidant capacity (TAC) and total oxidant status (TOS) among mothers showing impairments in oral glucose tolerance tests (OGTTs). DESIGN AND SETTING Prospective study at a university hospital in Turkey. METHODS The study group consisted of 50 mothers with GDM, and 59 healthy mothers served as controls. Umbilical cord blood samples were taken from all mothers during delivery and breast milk samples on the fifth day after delivery. TAC, TOS, thiol and disulfide levels were measured. RESULTS No statistically significant relationship between the blood and milk samples could be found. An analysis on correlations between TAC, TOS and certain parameters revealed that there were negative correlations between TOS and total thiol (r = -0.386; P < 0.001) and between TOS and disulfide (r = -0.388; P < 0.001) in milk in the control group. However, these findings were not observed in the study group. CONCLUSION Our findings suggested that a compensatory mechanism of oxidative stress was expected to be present in gestational diabetes mellitus and that this might be ameliorated through good glycemic regulation and antioxidant supplementation.
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Affiliation(s)
- Fırat Erdoğan
- MD. Associate Professor, Department of Pediatrics, School of Medicine, Istanbul Medeniyet University, Istanbul, Turkey.
| | - Evrim Şenkal
- MD. Physician, Department of Pediatrics, School of Medicine, Istanbul Medipol University, Istanbul, Turkey.
| | - Ömer Faruk Özer
- MD. Physician, Department of Biochemistry, School of Medicine, Bezmiâlem Foundation University, Istanbul, Turkey.
| | - İlke Özahi İpek
- MD. Professor, Department of Pediatrics, School of Medicine, Istanbul Medipol University, Istanbul, Turkey.
| | - Şükriye Leyla Altuntaş
- MD. Physician, Department of Obstetrics and Gynecology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey.
| | - Şükriye Özde
- MD. Physician, Department of Pediatrics, School of Medicine, Düzce University, Düzce, Turkey.
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Kuti BP, Akinwumi AI, Kuti DK, Amoo KO. Relationship between serum 25-hydroxyvitamin D, total antioxidant capacity and pneumonia incidence, severity and outcome in Nigerian children. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2020. [DOI: 10.1186/s43168-020-00029-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The pathologic basis of childhood community-acquired pneumonia (CAP) involves the generation of reactive oxygen species by immune cells leading to cellular damage and lung congestion. Serum antioxidants and vitamin D with immunomodulatory properties therefore hold prospects in the prevention and management of pneumonia in children. This case–control study set out to compare the serum 25-hydroxyvitamin D (25-OHD) and total antioxidant capacity (TAC) in Nigerian children with CAP and age- and sex-matched controls and to relate these parameters with pneumonia severity and outcome—length of hospital stay (LOH).
Results
A total of 160 children (80 each for CAP and controls) were recruited. The median (IQR) age was 1.8 (0.6–4.0) years, male:female 1.7:1, 63 (78.8%) and 11 (13.8%) of CAP group had severe pneumonia and parapneumonic effusions, respectively. Serum 25-OHD (33.8 (18.3) ng/ml vs. 41.9 (12.3) ng/ml; p = 0.010) and TAC (6.1 (4.4–8.1) ng/dl vs. 7.2 (4.7–17.5) ng/dl; p = 0.023) were lower in children with CAP than controls. Lower serum 25-OHD was observed in severe than non-severe pneumonia (30.5(17.1) ng/ml vs. 46.3 (17.6) ng/ml; p = 0.001) but LOH did not correlate with serum 25-OHD and TAC.
Conclusion
Children with CAP had lower serum vitamin D and antioxidants than controls, and severe pneumonia was significantly associated with suboptimal serum vitamin D. They however were not related to pneumonia outcome. Optimal serum vitamin D and antioxidants may play a role in reducing the incidence of childhood CAP in Nigerian children.
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De Jacobis IT, Vona R, Straface E, Gambardella L, Ceglie G, de Gennaro F, Pontini I, Vittucci AC, Carè A, Cittadini C, Villani A, Pietraforte D. Sex differences in blood pro-oxidant status and platelet activation in children admitted with respiratory syncytial virus bronchiolitis: a pilot study. Ital J Pediatr 2020; 46:29. [PMID: 32143677 PMCID: PMC7059674 DOI: 10.1186/s13052-020-0792-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 02/25/2020] [Indexed: 12/29/2022] Open
Abstract
Background Respiratory syncytial virus (RSV) is the most common cause of bronchiolitis in the pediatric population worldwide and an important cause of death in developing countries. It has been demonstrated that the balance between oxidant and antioxidant systems is disrupted in children with bronchiolitis and that oxidative stress contributes to the pathogenesis of this disease. Platelets play an important role in antimicrobial host defenses and contribute to pulmonary vascular repair being either targets or source of reactive oxidizing species. The main purpose of this study was to assessing sex differences in clinical characteristics and platelets activation during RSV bronchiolitis in infancy. Methods In this retrospective study a total of 203 patients (112 boys and 91 girls) with bronchiolitis, aged 12 months or less, admitted to the Bambino Gesù Pediatric Hospital of Rome (Italy) in the period from January to December 2017, were enrolled. Moreover, in a select group of patients (15 boys and 12 girls) with diagnosis of moderate bronchiolitis from RSV, a pilot study on oxidative stress and platelet characteristics was carried out by electron paramagnetic resonance and flow cytometry respectively. Age-matched healthy control subjects (10 boys and 10 girls) were chosen as controls. Data were analyzed using Student’ T test, Chi Squared test and one-way ANOVA test. Results This study highlights the influence of sex in the clinical course of bronchiolitis. In particular we found: i) a higher incidence of bronchiolitis in boys than in girls (55% vs 45%); ii) higher C reactive protein values in girls than boys (1.11 mg/dL vs 0.92 mg/dL respectively; p < 0.05); iii) a different degree of thrombocytosis during hospitalization (mild in the girls and severe in the boys). Moreover, in selected patients we found that compared to girls with bronchiolitis, boys showed: i) higher percentage of activated platelets (8% vs 2% respectively; p < 0.05) and iii) higher number of platelets forming homotypic aggregates (2.36% vs 0.84% respectively, p < 0.05). Conclusion The present study affirm that the bronchiolitis is an infection in which sex seems to act as a modulating factor only in the clinical course, influencing also the choice of the therapy should be made.
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Affiliation(s)
- Isabella Tarissi De Jacobis
- Internal Care Department, General Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Rosa Vona
- Biomarkers Unit, Center for Gender-Specific Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Elisabetta Straface
- Biomarkers Unit, Center for Gender-Specific Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
| | - Lucrezia Gambardella
- Biomarkers Unit, Center for Gender-Specific Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Giulia Ceglie
- Internal Care Department, General Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Francesca de Gennaro
- Internal Care Department, General Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Ilenia Pontini
- Internal Care Department, General Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Anna Chiara Vittucci
- Department of Pediatrics, Pediatric Infectious Diseases Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Alessandra Carè
- Biomarkers Unit, Center for Gender-Specific Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Camilla Cittadini
- Biomarkers Unit, Center for Gender-Specific Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Alberto Villani
- Internal Care Department, General Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, Rome, Italy
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Ahmadian M, Dabidi Roshan V, Rezvan K, Leicht AS. Impact of exercise in high-humidity on heart rate variability and salivary oxidative stress in obese and lightweight asthmatic children. J Sports Med Phys Fitness 2020; 60:779-785. [PMID: 32141276 DOI: 10.23736/s0022-4707.20.10312-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Asthma and obesity are becoming increasingly common among children. Such conditions are known to negatively affect both cardiac autonomic function and oxidative stress. We therefore investigated the heart rate variability (HRV) and oxidative (malondialdehyde, MDA) response to exercise within a high humidity environment (~65%) in obese and lightweight asthmatic children. METHODS Forty-two children participated in this study and were categorized into four groups: obese asthmatic (OA, N.=10), obese non-asthmatic (ONA, N.=15), lightweight asthmatic (LA, N.=10), and lightweight non-asthmatic (LNA, N.=7). Time-domain and nonlinear indices of HRV were assessed at rest, during, and immediately after exercise. Further, saliva samples were collected immediately before and after exercise and analyzed for the determination of MDA. RESULTS HRV significantly decreased during and after exercise compared to baseline (P<0.05) with short-term fractal scaling exponent (α1) for the LNA group significantly smaller than the OA group after exercise (P<0.05). In contrast, the long-term fractal scaling exponent (α2) was greater after exercise compared to baseline and during exercise for all groups (P<0.05). MDA significantly decreased after exercise compared to baseline (P<0.05). We also found significant correlations after exercise between salivary levels of MDA with HRV components (i.e., RMSSD, SD1, and α2) in asthmatic groups (all P<0.05). CONCLUSIONS Our findings showed that exercise in high humidity environment does not significantly differentiate the autonomic response among children with various conditions (i.e., obese, asthmatic and healthy). However, a significant relationship was found between HRV and MDA in asthmatic children after exercise, highlighting the inter-relationship between oxidative stress markers and autonomic function in asthmatic children.
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Affiliation(s)
- Mehdi Ahmadian
- School of Kinesiology, University of British Columbia, Vancouver, BC, Canada
| | - Valiollah Dabidi Roshan
- Department of Sport Physiology, College of Physical Education and Sport Sciences, University of Mazandaran, Babolsar, Iran -
| | - Khatereh Rezvan
- Department of Sport Physiology, College of Physical Education and Sport Sciences, University of Mazandaran, Babolsar, Iran
| | - Anthony S Leicht
- Department of Sport and Exercise Science, College of Healthcare Sciences, James Cook University, Townsville, Australia
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Kara SS, Erel O, Demirdag TB, Cura Yayla BC, Gulhan B, Neselioglu S, Polat M, Kalkan G, Tapisiz A, Tezer H. Alteration of thiol-disulphide homeostasis in acute tonsillopharyngitis. Redox Rep 2016; 22:205-209. [PMID: 27096391 DOI: 10.1080/13510002.2016.1173328] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Thiol-disulphide homeostasis (TDH) has a critical role in various clinical disorders. We aimed to assess the association of TDH with acute tonsillopharyngitis (AT) in children. METHODS This study included 94 (73 viral and 21 bacterial) tonsillopharyngitis patients and 88 control children. Their native thiol, total thiol, and disulphide levels were measured. RESULTS Viral and bacterial tonsillopharyngitis patients had lower native thiol levels compared with healthy children (P < 0.001 and P = 0.008, respectively). Both groups had lower total thiol levels compared with control children (P = 0.002 for viral, P = 0.011 for bacterial). The disulphide levels were lower in bacterial than in viral tonsillopharyngitis patients (P = 0.04), and there was a significant difference between viral tonsillopharyngitis patients and the control group (P < 0.001). The native/total thiol ratio in each patient group was lower than in the control group (P < 0.001 for viral, P = 0.017 for bacterial). The disulphide/native thiol and disulphide/total thiol ratios were significantly higher in viral (P < 0.001 for both) and bacterial tonsillopharyngitis patients (P = 0.017 for both) than in healthy children. In all patients, a correlation was found between the levels of C-reactive protein (CRP) and native thiol (r = -0.211, P = 0.04), CRP and total thiol (r = -0.217, P = 0.036), white blood cell (WBC) and native thiol (r = -0.228, P = 0.002), WBC and total thiol (r = -0.191, P = 0.01), and WBC and disulphide (r = 0.160, P = 0.03). DISCUSSION TDH is altered in AT in children. The alteration is more prominent in viral than in bacterial tonsillopharyngitis.
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Affiliation(s)
- Soner Sertan Kara
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
| | - Ozcan Erel
- b Department of Biochemistry , Yildirim Beyazit University Medical Faculty , Ankara , Turkey
| | - Tugba Bedir Demirdag
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
| | - Burcu Ceylan Cura Yayla
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
| | - Belgin Gulhan
- c Department of Pediatric Infectious Diseases , Ankara Hematology Oncology Children's Training and Research Hospital , Ankara , Turkey
| | - Salim Neselioglu
- b Department of Biochemistry , Yildirim Beyazit University Medical Faculty , Ankara , Turkey
| | - Meltem Polat
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
| | - Gokhan Kalkan
- d Department of Pediatrics , Gazi University Medical Faculty , Ankara , Turkey
| | - Anil Tapisiz
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
| | - Hasan Tezer
- a Department of Pediatric Infectious Diseases , Gazi University Medical Faculty , Ankara , Turkey
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Ghosh R, Rossner P, Honkova K, Dostal M, Sram RJ, Hertz-Picciotto I. Air pollution and childhood bronchitis: Interaction with xenobiotic, immune regulatory and DNA repair genes. ENVIRONMENT INTERNATIONAL 2016; 87:94-100. [PMID: 26655675 DOI: 10.1016/j.envint.2015.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 10/05/2015] [Accepted: 10/05/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Gene-environment interactions have been investigated for diseases such as asthma, chronic obstructive pulmonary disease, cancer etc. but acute disease like bronchitis has rarely been studied. We investigated interactions between air pollution (polycyclic aromatic hydrocarbons (PAH) and particulate matter <2.5 μm (PM2.5)) and single nucleotide polymorphisms (SNP) in EPHX1, IL10, STAT4 and XPC genes in relation to bronchitis in children aged 0-2 years. METHODS A stratified random sample of 1133 Czech children, born between 1994 and 1998 in two districts, were followed since birth, of which 626 were genotyped. Pediatrician-diagnosed bronchitis episodes were obtained from the medical records. Central-site monitors measured air pollution exposure. We used multivariable logistic regression and estimated coefficients using generalized estimating equations. Interaction was assessed between pollutants and genes and associations in genotype-specific strata were presented. False discovery rate was used to adjust for multiple comparisons. RESULTS There were 803 episodes of bronchitis with an incidence rate of 56 per 1000 child-months. We found significant gene-environment interaction between PAH and four SNPs (EPHX1, (rs2854461), STAT4 (rs16833215), XPC (rs2228001 and rs2733532)), which became non-significant after adjusting for multiple comparisons. PM2.5 interactions with two XPC SNPs (rs2228001 and rs2733532) remained significant after accounting for multiple comparisons and those with CC alleles had a more than doubling of odds, OR=2.65 (95% CI: 1.91, 3.69) and 2.72 (95% CI: 1.95, 3.78), respectively, per 25 μg/m(3) increase in exposure. CONCLUSION The findings suggest that the DNA repair gene XPC may play an important role in the air pollution-induced pathogenesis of the inflammatory disease bronchitis.
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Affiliation(s)
- Rakesh Ghosh
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States.
| | - Pavel Rossner
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14220 Prague, Czech Republic
| | - Katerina Honkova
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14220 Prague, Czech Republic
| | - Miroslav Dostal
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14220 Prague, Czech Republic
| | - Radim J Sram
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14220 Prague, Czech Republic
| | - Irva Hertz-Picciotto
- Department of Public Health Sciences, University of California, Davis, United States
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Moreno-Solís G, Dela Torre-Aguilar MJ, Torres-Borrego J, Llorente-Cantarero FJ, Fernández-Gutiérrez F, Gil-Campos M, Túnez-Fiñana I, Pérez-Navero JL. Oxidative stress and inflamatory plasma biomarkers in respiratory syncytial virus bronchiolitis. CLINICAL RESPIRATORY JOURNAL 2016; 11:839-846. [PMID: 26663823 DOI: 10.1111/crj.12425] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 11/18/2015] [Accepted: 12/04/2015] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Oxidative stress (OS) plays a crucial role in the pathogenesis of inflammatory lung diseases. OBJECTIVES (i) We determined whether acute bronchiolitis (AB) caused by respiratory syncytial virus (RSV) induced OS; (ii) assessed whether OS biomarkers correlated with the severity of RSV-AB; and (iii) studied whether the levels of interleukins are associated with OS biomarkers. METHODS We performed an observational study by comparing healthy infants (Group 1) with RSV-AB infants, classified as Group 2 (pulse oximetry (SpO2 ) >93%), and Group 3 (SpO2 ≤ 92%), which needed oxygen therapy. Blood samples were collected to determine the levels of lipid peroxidation (LPO) products (LPO), total glutathione (TG), oxidised glutathione (GSSG), reduced glutathione (GSH), glutathione peroxidase (GPx), interleukins (ILs) IL-10, IL-6, IL-8, interferon-gamma (IFNγ), tumour necrosis factor-alpha (TNFα) and macrophage inflammatory proteins (MIP α and MIP β). RESULTS Forty-six RSV-AB infants (47% needed oxygen therapy) and 27 healthy infants were included. The GSH/GSSG ratio was lower in RSV-AB infants than in Group 1 (P<0.001). GSSG and GPx were significantly higher in Group 3. GSSG predicted the need for oxygen therapy with an optimal cut-off point of 15 µM/g for haemoglobin. The GSH/GSSG ratio negatively correlated with IL-6 (P: 0.014), IL-8 (P: 0.014) and IL-10 (P: 0.033). Group 3 exhibited a direct correlation between GPx and IL-10 levels (P: 0.024) and between LPO and MIP β (P: 0.003). CONCLUSIONS RSV induced OS in AB. An increase in GSSG correlated with the disease severity in the infants. OS may contribute to the pathogenesis of RSV-AB.
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Affiliation(s)
- Gloria Moreno-Solís
- Department of Paediatrics, Paediatric Pulmonology and Allergy Unit, Reina Sofia University Hospital, Cordoba, Spain
| | | | - Javier Torres-Borrego
- Department of Paediatrics, Paediatric Pulmonology and Allergy Unit, Reina Sofia University Hospital, Cordoba, Spain
| | | | - Fernando Fernández-Gutiérrez
- Department of Paediatrics, Unit of Metabolism and Paediatric Research, Reina Sofia University Hospital, Cordoba, Spain
| | - Mercedes Gil-Campos
- Faculty of Medicine, Maimonides Institute for Biomedical Research of Cordoba (IMIBIC), University of Cordoba, Spain.,Department of Paediatrics, Unit of Metabolism and Paediatric Research, Reina Sofia University Hospital, Cordoba, Spain
| | - Isaac Túnez-Fiñana
- Faculty of Medicine, Maimonides Institute for Biomedical Research of Cordoba (IMIBIC), University of Cordoba, Spain
| | - Juan Luis Pérez-Navero
- Faculty of Medicine, Maimonides Institute for Biomedical Research of Cordoba (IMIBIC), University of Cordoba, Spain.,Department of Paediatrics, Unit of Metabolism and Paediatric Research, Reina Sofia University Hospital, Cordoba, Spain
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Cai C, Qiu G, Gong X, Chen Y, Zhao H. Effects of erythromycin on γ‐glutamyl cysteine synthetase and interleukin‐1β in hyperoxia‐exposed lung tissue of premature newborn rats. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2014. [DOI: 10.1016/j.jpedp.2014.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Cai C, Qiu G, Gong X, Chen Y, Zhao H. Effects of erythromycin on γ-glutamyl cysteine synthetase and interleukin-1β in hyperoxia-exposed lung tissue of premature newborn rats. J Pediatr (Rio J) 2014; 90:493-9. [PMID: 24878007 DOI: 10.1016/j.jped.2014.01.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 01/14/2014] [Accepted: 01/14/2014] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To explore the effect of erythromycin on hyperoxia-induced lung injury. METHODS One-day-old preterm offspring Sprague-Dawley (SD) rats were randomly divided into four groups: group 1, air + sodium chloride; group 2, air + erythromycin;group 3, hyperoxia + sodium chloride; and group 4, hyperoxia + erythromycin. At one, seven, and 14 days of exposure, glutathione (GSH) and interleukin-1 beta (IL-1 beta) were detected by double-antibody sandwich enzyme-linked immunosorbent assay (ELISA), and bicinchoninic acid (BCA) was used to detect GSH protein. γ-glutamine-cysteine synthetase (γ-GCS) mRNA was detected by reverse transcription-polymerase chain reaction (RT-PCR). RESULTS Compared with group 1, expressions of GSH and γ-GCS mRNA in group 3 were significantly increased at one and seven days of exposure (p < 0.05), but expression of γ-GCS mRNA was significantly reduced at 14 days; expression of IL-1 beta in group 3 was significantly increased at seven days of exposure (p < 0.05), and was significantly reduced at 14 days. Compared with group 3, expressions of GSH and γ-GCS mRNA in group 4 were significantly increased at one, seven, and 14 days of exposure (p < 0.05), but expressions of GSH showed a downward trend at 14 days; expression of IL-1 beta in group 4 was significantly reduced at one and seven days of exposure (p < 0.05). CONCLUSIONS Changes in oxidant-mediated IL-1 beta and GSH are involved in the development of hyperoxia-induced lung injury. Erythromycin may up-regulate the activity of γ-GCS, increasing the expression of GSH, inhibiting the levels of oxidant-mediated IL-1 beta and alleviating hyperoxia-induced lung injury via an antioxidant effect.
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Affiliation(s)
- Cheng Cai
- Department of Neonatology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
| | - Gang Qiu
- Department of Neonatology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaohui Gong
- Department of Neonatology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Yihuan Chen
- Department of Neonatology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Huanhu Zhao
- Chinese Minority Ethnic Groups' Traditional Medicine Research Center, Central University for Nationalities, Beijing, China
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Göknar N, Oktem F, Arı E, Demir AD, Torun E. Is oxidative stress related to childhood urolithiasis? Pediatr Nephrol 2014; 29:1381-6. [PMID: 24526098 DOI: 10.1007/s00467-014-2773-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 01/10/2014] [Accepted: 01/22/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND Urolithiasis is a common condition in pediatric populations in Turkey. The role of oxidative stress in renal stone formation in pediatric patients has not been reported to date. The aim of this study was to assess oxidative stress in childhood urolithiasis. METHODS Seventy-four children diagnosed with urolithiasis and 72 healthy control subjects were enrolled in the study. Kidney stone formers were evaluated by analysis of metabolic conditions related to urolithiasis, such as hypercalciuria, hyperoxaluria, hypocitraturia and hyperuricosuria. Urine total antioxidant status (TAS), and total oxidant status (TOS) were measured, and oxidative stress index (OSI) was calculated as an indicator of the degree of oxidative stress. RESULTS Among the stone formers, metabolic analyses revealed that 30 % had hypercalciuria, 45 % had hypocitraturia, 6 % had hyperoxaluria and 40 % had hyperuricosuria. Elevated levels of the renal tubular damage marker urinary N-acetyl- beta-D-glucosaminidase (NAG) was elevated in 25 % of the patient group, but microalbuminuria was not detected. Total oxidant status and total antioxidant status were significantly higher in stone formers than in the controls (p = 0.023 and 0.004, respectively). In addition, urinary NAG was significantly correlated with TOS (r = 0.427, p = 0.019). CONCLUSIONS The results of this study show that oxidative stress may play an important role in the pathogenesis of pediatric stone formers.
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Affiliation(s)
- Nilufer Göknar
- Department of Pediatric Nephrology, Bezmialem Vakif University Medical Faculty, Istanbul, Turkey
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Torun E, Gedik AH, Cakir E, Umutoglu T, Gok O, Kilic U. Serum paraoxonase 1 activity and oxidative stress in pediatric patients with pulmonary tuberculosis. Med Princ Pract 2014; 23:426-31. [PMID: 25034194 PMCID: PMC5586969 DOI: 10.1159/000363700] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 05/19/2014] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES The aim of this study was to determine the oxidative stress and paraoxonase 1 (PON1) levels in children with pulmonary tuberculosis (TB) compared to healthy controls, and to examine the association of demographical with oxidative stress. SUBJECTS AND METHODS Forty children diagnosed with pulmonary TB and 40 age- and gender-matched healthy controls were enrolled in the study. Serum total antioxidant status (TAS), total oxidant status (TOS) and PON1 levels were measured. The oxidative stress index (OSI) was calculated to indicate the degree of oxidative stress. RESULTS The TAS levels were lower (1.73 ± 0.5 vs. 2.54 ± 1.2 μmol Trolox Eq/l) while TOS levels were significantly higher (26.9 ± 14.4 vs. 13.4 ± 7.7 μmol H2O2 Eq/l) in the TB group than in the controls (p < 0.001). The OSI was significantly higher in the TB group than in the controls (21.2 ± 5.1 vs. 6.5 ± 4.9 units, p = 0.006). Serum PON1 levels were significantly lower in the TB group than in the controls (14.2 ± 13.2 vs. 28.4 ± 17.3 U/l, p < 0.001). The lower PON1 levels correlated with TAS and OSI levels but not with anthropometric parameters (r = 0.264, p = 0.018 and r = -0.255, p = 0.023, respectively). CONCLUSION The TOS and OSI levels were higher and the TAS and PON1 levels were lower in pediatric patients with pulmonary TB when compared to healthy controls. This indicates greater oxidative stress in the patients.
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Affiliation(s)
- Emel Torun
- Department of Pediatrics, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
- *Emel Torun, MD, Department of Pediatrics, Bezmialem Vakif University Hospital, Adnan Menderes Avenue, P.K., TR-34093 Fatih/Istanbul (Turkey), E-Mail
| | - Ahmet Hakan Gedik
- Department of Pediatrics, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
| | - Erkan Cakir
- Department of Pediatric Pulmonology, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
| | - Tarik Umutoglu
- Department of Anestesiology, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
| | - Ozlem Gok
- Department of Medical Biology, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
| | - Ulkan Kilic
- Department of Medical Biology, Medical Faculty, Bezmialem Vakif University, Istanbul, Turkey
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