1
|
Chen Z, Hu D, Wu D, Song C, Sun J, Liu W. Association between serum copper levels and muscle mass: results from NHANES 2011-2016. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:6847-6856. [PMID: 38153578 DOI: 10.1007/s11356-023-31599-x] [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: 09/11/2023] [Accepted: 12/13/2023] [Indexed: 12/29/2023]
Abstract
Copper is essential for various biological processes. However, excess copper has several adverse health effects. The effects of serum copper on muscle mass are poorly understood. This study aimed to investigate the association between serum copper levels and muscle mass in the US population. We utilized National Health and Nutrition Examination Survey (NHANES) data between 2011 and 2016 for analysis. Data on serum copper, muscle mass (measured using the appendicular skeletal muscle mass index (ASMI)), and covariates were extracted and analyzed. Weighted multivariate linear regression analyses and smooth curve fittings were performed to investigate the association between serum copper levels and ASMI. Subgroup analyses stratified according to age and sex were performed. In the presence of nonlinearity, threshold effect analysis was performed using a two-piecewise linear regression model. A total of 3860 participants were included in the final analysis. Serum copper levels were negatively associated with ASMI in the fully adjusted model. Furthermore, by comparing participants in the highest and lowest tertiles of serum copper levels, we found that the ASMI decreased by 0.292 kg/m2. In the sex-stratified subgroup analysis, we observed an inverse association between serum copper levels and the ASMI in both men and women. When stratified by age, the association remained significant among participants < 40 years of age, but not among those ≥ 40 years old. Smooth curve fitting revealed a nonlinear relationship between serum copper and ASMI, with an inflection point identified at 150.6 μg/dL. Our study revealed an inverse relationship between serum copper levels and muscle mass. This finding improves the current knowledge on the impact of serum copper on muscle loss and highlights the importance of serum copper homeostasis in muscle health.
Collapse
Affiliation(s)
- Zhi Chen
- Department of Orthopedics, Fujian Medical University Union Hospital, Fuzhou, 350001, Fujian, China
| | - Dingxiang Hu
- School of Health, Fujian Medical University, Fuzhou, 350108, Fujian, China
| | - Dingwei Wu
- Department of Orthopedics, Fujian Medical University Union Hospital, Fuzhou, 350001, Fujian, China
| | - Chenyang Song
- Department of Orthopedics, Fujian Medical University Union Hospital, Fuzhou, 350001, Fujian, China
| | - Jun Sun
- Department of Emergency, Zhaotong Traditional Chinese Medicine Hospital, Zhaotong, 657000, Yunnan, China
| | - Wenge Liu
- Department of Orthopedics, Fujian Medical University Union Hospital, Fuzhou, 350001, Fujian, China.
| |
Collapse
|
2
|
Övermöhle C, Rimbach G, Waniek S, Strathmann EA, Liedtke T, Stürmer P, Both M, Weber KS, Lieb W. Association of Plasma Zinc and Copper with Body Composition, Lipids and Inflammation in a Cross-Sectional General Population Sample from Germany. Nutrients 2023; 15:4460. [PMID: 37892535 PMCID: PMC10609917 DOI: 10.3390/nu15204460] [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: 09/22/2023] [Revised: 10/15/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
We aimed to relate circulating plasma zinc and copper to a broad spectrum of adiposity-related traits in a cross-sectional Northern German study (n = 841, 42% female, age: 61 ± 12 years). Zinc and copper were measured by inductively coupled plasma-mass spectrometry. Subcutaneous (SAT) and visceral (VAT) adipose tissue and liver fat were derived from 534 and 538 participants, respectively, via magnet resonance imaging. Associations were assessed using multivariable-adjusted linear regression analysis. An increase per one standard deviation (SD) in zinc was associated with direct linear increases in body mass index (BMI) (1.17%; 95% confidence interval (95%CI) 0.15-2.20%), waist circumference (0.85%; 95%CI 0.04-1.67%) and waist-to-hip ratio (0.64%; 95%CI 0.18-1.09%). A 1-SD increment in copper was directly associated with BMI (1.64%; 0.41-2.88%) and waist circumference (1.22%; 95%CI 0.25-2.20%) but not waist-to-hip ratio. Independent of fat intake, zinc displayed associations with VAT (5.73%; 95%CI 2.04-9.56%) and with liver fat (3.84%; 95%CI 1.49-6.25%), the latter association being also independent of BMI. Copper was directly associated with SAT (4.64%; 95%CI 0.31-9.15%) before accounting for BMI, but showed no association with VAT or liver fat. Observed associations suggest a possible relevance of zinc and copper to adiposity. Particularly zinc displayed associations with traits of abdominal adiposity and liver fat.
Collapse
Affiliation(s)
- Cara Övermöhle
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Gerald Rimbach
- Institute of Human Nutrition and Food Science, Kiel University, 24118 Kiel, Germany
| | - Sabina Waniek
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Eike A. Strathmann
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Tatjana Liedtke
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Paula Stürmer
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Marcus Both
- Department of Diagnostic Radiology, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Katharina S. Weber
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| | - Wolfgang Lieb
- Institute of Epidemiology, Kiel University, 24105 Kiel, Germany (K.S.W.); (W.L.)
| |
Collapse
|
3
|
Zhang Z, Hui Y, Yang W, Guo G, Cui B, Li C, Wang X, Fan X, Sun C. Association between serum trace elements and sleep disturbance in patients with decompensated cirrhosis. Ther Adv Chronic Dis 2023; 14:20406223231192829. [PMID: 37601039 PMCID: PMC10439724 DOI: 10.1177/20406223231192829] [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: 02/03/2023] [Accepted: 07/17/2023] [Indexed: 08/22/2023] Open
Abstract
Background Sleep disturbance and trace elements imbalance are common features in patients with decompensated cirrhosis, partially sharing similar mechanistic contributors and linking to adverse outcomes. However, there is a paucity of data concerning their relationship. Objectives To investigate the association between serum trace elements levels and sleep quality in the context of cirrhosis. Design Cross-sectional study. Methods We consecutively enrolled 160 patients with decompensated cirrhosis. The sleep disturbance was determined by the Pittsburgh Sleep Quality Index (PSQI > 5). Serum trace elements [magnesium, calcium, iron, copper (Cu), zinc (Zn), lead, and manganese] was measured by inductively coupled plasma mass spectrometry. Association of examined trace elements levels and sleep disturbance was analyzed by multiple linear (global PSQI scores) and multivariate logistic (dichotomized PSQI categories) regression models, respectively. Results In total, 91 patients (56.88%) represented PSQI-defined sleep disturbance, characterized by female preponderance, lower body mass index levels, and higher serum Cu levels (all p < 0.05). Looking into its clinical relevance with debilitating conditions, we showed that Cu/Zn ratio (CZr) is significantly higher in cirrhosis with poor sleep quality (1.77 versus 1.48, p = 0.003). Diagnostic performance analysis indicated CZr > 1.62 to exhibit better discrimination relative to respective Cu. Both multiple linear (β = 0.355, p < 0.001) and multivariate logistic regression (odds ratio = 2.364, p = 0.019) identified higher CZr as an independent risk factor associated with sleep disturbance. Conclusion Our findings implied an association between higher CZr and the presence of sleep disturbance in patients with decompensated cirrhosis.
Collapse
Affiliation(s)
- Ziyue Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Central Hospital, Nankai District, Tianjin, China
- Institute of Otolaryngology of Tianjin, China
| | - Yangyang Hui
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
| | - Wanting Yang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
| | - Gaoyue Guo
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
| | - Binxin Cui
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
- Department of Gastroenterology, Tianjin Medical University General Hospital Airport Hospital, Tianjin, China
| | - Chaoqun Li
- Department of Internal Medicine, Tianjin Hexi Hospital, Hexi District, Tianjin, China
| | - Xiaoyu Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
| | - Xiaofei Fan
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Heping District, Tianjin, China
| | - Chao Sun
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Anshan Road 154, Heping District, Tianjin 300052, China
- Department of Gastroenterology, Tianjin Medical University General Hospital Airport Hospital, Tianjin, China
| |
Collapse
|
4
|
Huang D, Lai S, Zhong S, Jia Y. Association between serum copper, zinc, and selenium concentrations and depressive symptoms in the US adult population, NHANES (2011-2016). BMC Psychiatry 2023; 23:498. [PMID: 37434135 DOI: 10.1186/s12888-023-04953-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 06/13/2023] [Indexed: 07/13/2023] Open
Abstract
BACKGROUND Evidence suggests that alterations in serum trace element concentrations are closely associated with mental illness. However, studies on the relationship between serum copper, zinc, and selenium concentrations and depressive symptoms are limited and with controversial results. We aimed to investigate the association between serum concentrations of these trace elements and depressive symptoms in US adults. METHODS Data from the National Health and Nutrition Examination Survey (NHANES) (2011-2016) were used in this cross-sectional study. The Patient Health Questionnaire-9 Items (PHQ-9) was employed to assess depressive symptoms. Multiple logistic regression was performed to determine the relationship between the serum concentrations of copper, zinc, and selenium and depressive symptoms. RESULTS A total of 4552 adults were included. Subjects with depressive symptoms had higher serum copper concentrations (123.88 ± 1.87) than those without depressive symptoms (116.99 ± 0.86) (p < 0.001). In Model 2, weighted logistic regression analysis showed that the second (Q2) quartile of zinc concentrations (odds ratio [OR] = 1.534, 95% confident interval [CI]: 1.018 to 2.313) were significantly associated with an increased risk of depressive symptoms. Subgroup analysis revealed that the third (Q3) and fourth (Q4) quartiles of copper concentrations (Q3: OR = 2.699, 95% CI: 1.285 to 5.667; Q4: OR = 2.490, 95% CI: 1.026 to 6.046) were also positively associated with depressive symptoms in obese individuals after controlling for all confounders. However, no significant relationship between serum selenium concentrations and depressive symptoms was observed. CONCLUSIONS Obese US adults with high serum copper concentrations, as well as US adults in general with low serum zinc concentrations, were susceptible to depressive symptoms. Nevertheless, the causal mechanisms underlying these relationships need to be further explored.
Collapse
Affiliation(s)
- Dong Huang
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Shunkai Lai
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Shuming Zhong
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Yanbin Jia
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, 510630, China.
| |
Collapse
|
5
|
Klich D, Łopucki R, Kaczor S, Zwolak I, Didkowska A, Wiącek D, Bielecki W, Perzanowski K, Wojciechowska M, Olech W. Comorbidities and concentration of trace elements in livers of European bison from Bieszczady Mountains (Poland). Sci Rep 2023; 13:4332. [PMID: 36922557 PMCID: PMC10017800 DOI: 10.1038/s41598-023-31245-z] [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: 11/12/2022] [Accepted: 03/08/2023] [Indexed: 03/17/2023] Open
Abstract
European bison is a species for which health monitoring is essential in conservation activities. So far, little research has been carried out on the concentration of elements in this species. Most previous studies did not associate the concentration of elements with susceptibility to diseases. In this study we investigate the relationship between comorbidities in European bison and concentrations of a wide spectrum of elements in the liver. Samples were collected during the monitoring of the European bison population in Bieszczady (southeast Poland) over the 2020-2022 period. Each individual was also visually inspected by a veterinarian in the field for the presence of lesions as a part of a post-mortem examination. The animals were divided into 3 groups: group A-one type of clinical sign; group B-two types of clinical signs; group C-three or more types of clinical signs. The ICP-OES method was applied to assess the concentration of 40 elements in livers. Discriminant analysis showed clear differences between the mineral status of individuals in the groups with one, two, and at least three types of clinical signs. Detailed analysis of selected elements showed that, in the case of eight elements, there was a relationship with age, sex, or comorbidities. Cu, Se, and Zn showed significant differences in relation to comorbidities, but only Cu concentration was lower when the frequency of lesions was higher. We concluded that in research on the mineral status of the population, apart from the availability of trace elements in the environment, the health condition of the studied individuals should also be considered. However, inferring the mineral status of the population on the basis of randomly obtained samples from dead individuals may give an incomplete view of the population, especially in the case of species susceptible to diseases, such as European bison.
Collapse
Affiliation(s)
- Daniel Klich
- Department of Animal Genetics and Conservation, Warsaw University of Life Sciences (SGGW), Ciszewskiego 8, 02-786, Warsaw, Poland.
| | - Rafał Łopucki
- Department of Biomedicine and Environmental Research, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708, Lublin, Poland
| | - Stanisław Kaczor
- County Veterinary Inspectorate, Młynarska 45, 38-500, Sanok, Poland
| | - Iwona Zwolak
- Department of Biomedicine and Environmental Research, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708, Lublin, Poland
| | - Anna Didkowska
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787, Warsaw, Poland
| | - Dariusz Wiącek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Wojciech Bielecki
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787, Warsaw, Poland
| | - Kajetan Perzanowski
- The Institute of Biological Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1 H, 20-708, Lublin, Poland
| | - Marlena Wojciechowska
- Department of Animal Genetics and Conservation, Warsaw University of Life Sciences (SGGW), Ciszewskiego 8, 02-786, Warsaw, Poland
| | - Wanda Olech
- Department of Animal Genetics and Conservation, Warsaw University of Life Sciences (SGGW), Ciszewskiego 8, 02-786, Warsaw, Poland
| |
Collapse
|
6
|
Ume AC, Wenegieme TY, Adams DN, Adesina SE, Williams CR. Zinc Deficiency: A Potential Hidden Driver of the Detrimental Cycle of Chronic Kidney Disease and Hypertension. KIDNEY360 2023; 4:398-404. [PMID: 36996303 PMCID: PMC10103339 DOI: 10.34067/kid.0007812021] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 12/18/2022] [Indexed: 12/23/2022]
Abstract
Globally, over 103 million individuals are afflicted by CKD, a silent killer claiming the lives of 1.2 million people annually. CKD is characterized by five progressive stages, in which dialysis and kidney transplant are life-saving routes for patients with end stage kidney failure. While kidney damage impairs kidney function and derails BP regulation, uncontrolled hypertension accelerates the development and progression of CKD. Zinc (Zn) deficiency has emerged as a potential hidden driver within this detrimental cycle of CKD and hypertension. This review article will (1) highlight mechanisms of Zn procurement and trafficking, (2) provide evidence that urinary Zn wasting can fuel Zn deficiency in CKD, (3) discuss how Zn deficiency can accelerate the progression of hypertension and kidney damage in CKD, and (4) consider Zn supplementation as an exit strategy with the potential to rectify the course of hypertension and CKD progression.
Collapse
Affiliation(s)
- Adaku C. Ume
- Department of Neuroscience, Cell Biology and Physiology, Boonshoft School of Medicine, College of Science and Mathematics, Wright State University, Dayton, Ohio
| | - Tara-Yesomi Wenegieme
- Department of Neuroscience, Cell Biology and Physiology, Boonshoft School of Medicine, College of Science and Mathematics, Wright State University, Dayton, Ohio
| | - Danielle N. Adams
- Department of Neuroscience, Cell Biology and Physiology, Boonshoft School of Medicine, College of Science and Mathematics, Wright State University, Dayton, Ohio
| | - Sherry E. Adesina
- Division of Pulmonary Medicine, Department of Medicine, Emory University, Atlanta, Georgia
| | - Clintoria R. Williams
- Department of Neuroscience, Cell Biology and Physiology, Boonshoft School of Medicine, College of Science and Mathematics, Wright State University, Dayton, Ohio
| |
Collapse
|
7
|
Donaghy C, Javellana JG, Hong YJ, Djoko K, Angeles-Boza AM. The Synergy between Zinc and Antimicrobial Peptides: An Insight into Unique Bioinorganic Interactions. Molecules 2023; 28:molecules28052156. [PMID: 36903402 PMCID: PMC10004757 DOI: 10.3390/molecules28052156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 03/02/2023] Open
Abstract
Antimicrobial peptides (AMPs) are essential components of innate immunity across all species. AMPs have become the focus of attention in recent years, as scientists are addressing antibiotic resistance, a public health crisis that has reached epidemic proportions. This family of peptides represents a promising alternative to current antibiotics due to their broad-spectrum antimicrobial activity and tendency to avoid resistance development. A subfamily of AMPs interacts with metal ions to potentiate antimicrobial effectiveness, and, as such, they have been termed metalloAMPs. In this work, we review the scientific literature on metalloAMPs that enhance their antimicrobial efficacy when combined with the essential metal ion zinc(II). Beyond the role played by Zn(II) as a cofactor in different systems, it is well-known that this metal ion plays an important role in innate immunity. Here, we classify the different types of synergistic interactions between AMPs and Zn(II) into three distinct classes. By better understanding how each class of metalloAMPs uses Zn(II) to potentiate its activity, researchers can begin to exploit these interactions in the development of new antimicrobial agents and accelerate their use as therapeutics.
Collapse
Affiliation(s)
- Caroline Donaghy
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
| | | | - Young-Jin Hong
- Department of Chemistry, Durham University, Durham DH1 3LE, UK
| | - Karrera Djoko
- Department of Chemistry, Durham University, Durham DH1 3LE, UK
- Correspondence: (K.D.); (A.M.A.-B.)
| | - Alfredo M. Angeles-Boza
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Sciences, University of Connecticut, Storrs, CT 06269, USA
- Correspondence: (K.D.); (A.M.A.-B.)
| |
Collapse
|
8
|
Hussain A, Sajid M, Potter D, Rasheed H, Hassan M, Akhtar N, Ahmad B, Bokhari SAI. Diversity in Elemental Content in Selected Artemisia L. (Asteraceae) Species from Gilgit-Baltistan Region of Pakistan Based on Inductively Coupled Plasma Atomic Emission Spectrophotometry (ICP-AES). Biol Trace Elem Res 2022:10.1007/s12011-022-03469-z. [PMID: 36355264 DOI: 10.1007/s12011-022-03469-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022]
Abstract
Diversity in eleven Artemisia species from northern Pakistan was assessed based on as per suitability of their elemental contents with thermal conductivity detection and ICP-AES procedures. Results indicated the presence of 13 major elements in the Artemisia species with varied concentrations including Carbon (45.7%, 45,7000 ppm-49.8%, 49,8000 ppm), Nitrogen (2.03%, 20,300 ppm-3.50%, 35,000 ppm), Phosphorus (0.168%, 1680 ppm-0.642%, 6420 ppm), Potassium (2.38%, 23,800 ppm-4.72%, 47,200 ppm), Sulphur (1920 ppm, 0.192%-4780 ppm, 0.478%), Boron (23.8 ppm, 0.00238%-71.7 ppm, 0.00717%), Calcium (0.733%, 7330 ppm-2.249%, 22,490 ppm), Magnesium (0.116%, 1160 ppm-0.267%, 2670 ppm), Zinc (27.7 ppm, 0.00277%-47.9 ppm, 0.00479%), Manganese (25.7 ppm, 0.00257%-93.8 ppm, 0.00938%), Iron (353 ppm, 0.0353%-1532 ppm, 0.1532%), Copper (14.1 ppm, 0.00141%-26.2 ppm, 0.00262%) and Sodium (105 ppm, 0.0105%-587 ppm, 0.0587%). Cluster analysis distributed the Artemisia species into two major groups (G1 and G2) on the basis of their elemental content where G1 contained species like, Artemisia herba alba Asso., A. tournefortiana Rachb., A. rutifolia Steph. ex Spreng., and A. vulgaris L., with the presence of all elements with the maximum amount of S, Zn, P, Ca, and Mg, while G2 contained species like Artemisia biennis Willd., A. chamaemelifolia Vill., A. capillaris, L., A. gmelinii Weber ex Stech., A. indica Willd., A. maritima L., and A. verlotiorum Lamotte., with all elements but significant concentrations of B, N, C, K, Mn, Fe, Cu, and Na. PCA analysis displayed maximum species diversity in the axes two, while axes one showed lower diversity. Additionally, the elevated levels of elements recorded as compared to the threshold levels recommended in the literature for medicinal plants require extraordinary precautionary measures before or during using Artemisia as medication to avoid metal toxicity.
Collapse
Affiliation(s)
- Adil Hussain
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Ferozepur Road, Lahore, 54600, Punjab, Pakistan.
- Department of Biotechnology, Faculty of Life Sciences, University of Okara, Okara, 56130, Punjab, Pakistan.
| | - Muhammad Sajid
- Department of Biotechnology, Faculty of Life Sciences, University of Okara, Okara, 56130, Punjab, Pakistan
| | - Daniel Potter
- Department of Plant Sciences, College of Agricultural and Environmental Sciences, University of California Davis, Davis, 95616, USA
| | - Hassam Rasheed
- Department of Biological Sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan
| | - Mujtaba Hassan
- Department of Biosciences, COMSATS University Islamabad, Islamabad, 44000, Pakistan
| | - Naeem Akhtar
- Pakistan Oilseed Department Islamabad, Islamabad, 44000, Pakistan
- Centre of Excellence for Olive Research and Training, BARI, Chakwal, 48800, Punjab, Pakistan
| | - Bashir Ahmad
- Department of Biological Sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan
| | - Syed Ali Imran Bokhari
- Department of Biological Sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan
| |
Collapse
|
9
|
Ortolani EL, Knox DP, Suttle NF. Effects of Raising or Lowering Molybdenum Status on Outcome of Acute Infection with Nippostrongylus brasiliensis in Mature Rats. J Comp Pathol 2022; 196:41-49. [PMID: 36008043 DOI: 10.1016/j.jcpa.2022.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/25/2022] [Accepted: 06/15/2022] [Indexed: 11/23/2022]
Abstract
Molybdate (Mo+) supplements can suppress or enhance nematode infections in ruminants, depending on exposure level, but there have been no investigations in non-ruminants. Three groups of 16 mature rats were each fed a commercial diet and given Mo+ (10 mg Mo/l), tungstate (a molybdenum [Mo] antagonist) (MoO4, 350 mg W/l) or no supplement (C) via drinking water for 40 days before acute infection with 3,600 Nippostrongylus brasiliensis larvae. Group Mo- also received allopurinol (1 g/l), a molybdenoenzyme inhibitor, from 4 days post infection (dpi). Subgroups of four rats from each group were killed at 7-14 dpi. A group of six rats was left untreated and uninfected and subgroups killed 10 or 12 dpi. Infection reduced intakes of food and water but impacts were greatest in group Mo-. Median worm counts in groups C, Mo- and Mo+ were 900, 941 and 510, respectively, at 7 dpi and 9, 40 and 0 (P = 0.05) at 10 dpi. Median faecal egg counts were consistently lowest in group Mo+. Worm weight was reduced (P <0.05), worm tissue protease increased and superoxide dismutase activities increased in worm (P < 0.01) and host duodenal homogenates (P < 0.01) from group Mo+. In group Mo-, liver Mo concentration decreased, duodenal xanthine oxidoreductase activity (DXOR) became totally inhibited and plasma uric acid was barely detectable at 10 dpi. Plasma mast cell protease activity and duodenal malonyldialdehyde concentrations, markers of inflammation, were increased by nematode infection (P <0.001) but unaffected by water treatments. Liver Mo, liver copper (Cu) and plasma Cu concentrations were increased in group Mo+ and plasma Cu concentration was increased in group Mo- suggesting systemic exposure to partially thiolated MoO4 and WO4. Supplementary MoO4 impaired larval establishment and changed parasite biochemistry without affecting the inflammatory response to infection but may have required partial thiolation to do so. Rats did not rely on DXOR activity to expel N. brasiliensis.
Collapse
Affiliation(s)
- Enrico L Ortolani
- Departamento de Clínica Médica, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - David P Knox
- Moredun Research Institute, Pentlands Science Park, Penicuik, UK
| | - Neville F Suttle
- Moredun Research Institute, Pentlands Science Park, Penicuik, UK.
| |
Collapse
|
10
|
Hobin K, Costas-Rodríguez M, Van Wonterghem E, Vandenbroucke RE, Vanhaecke F. High-Precision Isotopic Analysis of Cu and Fe via Multi-Collector Inductively Coupled Plasma-Mass Spectrometry Reveals Lipopolysaccharide-Induced Inflammatory Effects in Blood Plasma and Brain Tissues. Front Chem 2022; 10:896279. [PMID: 35783204 PMCID: PMC9241339 DOI: 10.3389/fchem.2022.896279] [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: 03/14/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
The concentration and the isotopic composition of the redox-active essential elements Cu and Fe were investigated in blood plasma and specific brain regions (hippocampus, cortex, brain stem and cerebellum) of mice to assess potential alterations associated with sepsis-associated encephalopathy induced by lipopolysaccharide (LPS) administration. Samples were collected from young (16-22 weeks) and aged (44-65 weeks) mice after intraperitoneal injection of the LPS, an endotoxin inducing neuroinflammation, and from age- and sex-matched controls, injected with phosphate-buffered saline solution. Sector-field single-collector inductively coupled plasma-mass spectrometry was relied upon for elemental analysis and multi-collector inductively coupled plasma-mass spectrometry for isotopic analysis. Significant variations were observed for the Cu concentration and for the Cu and Fe isotope ratios in the blood plasma. Concentrations and isotope ratios of Cu and Fe also varied across the brain tissues. An age- and an inflammatory-related effect was found affecting the isotopic compositions of blood plasma Cu and cerebellum Fe, whereas a regional Cu isotopic redistribution was found within the brain tissues. These findings demonstrate that isotopic analysis of essential mineral elements picks up metabolic changes not revealed by element quantification, making the two approaches complementary.
Collapse
Affiliation(s)
- Kasper Hobin
- Atomic and Mass Spectrometry - A&MS Research Unit, Department of Chemistry, Ghent University, Ghent, Belgium
| | - Marta Costas-Rodríguez
- Atomic and Mass Spectrometry - A&MS Research Unit, Department of Chemistry, Ghent University, Ghent, Belgium
| | - Elien Van Wonterghem
- Barriers in Inflammation Lab, VIB Center for Inflammation Research, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Roosmarijn E Vandenbroucke
- Barriers in Inflammation Lab, VIB Center for Inflammation Research, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Frank Vanhaecke
- Atomic and Mass Spectrometry - A&MS Research Unit, Department of Chemistry, Ghent University, Ghent, Belgium
| |
Collapse
|
11
|
Altered Elemental Distribution in Male Rat Brain Tissue as a Predictor of Glioblastoma Multiforme Growth-Studies Using SR-XRF Microscopy. Int J Mol Sci 2022; 23:ijms23020703. [PMID: 35054889 PMCID: PMC8775692 DOI: 10.3390/ijms23020703] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 12/04/2022] Open
Abstract
Glioblastoma multiforme (GBM) is a particularly malignant primary brain tumor. Despite enormous advances in the surgical treatment of cancer, radio- and chemotherapy, the average survival of patients suffering from this cancer does not usually exceed several months. For obvious ethical reasons, the search and testing of the new drugs and therapies of GBM cannot be carried out on humans, and for this purpose, animal models of the disease are most often used. However, to assess the efficacy and safety of the therapy basing on these models, a deep knowledge of the pathological changes associated with tumor development in the animal brain is necessary. Therefore, as part of our study, the synchrotron radiation-based X-ray fluorescence microscopy was applied for multi-elemental micro-imaging of the rat brain in which glioblastoma develops. Elemental changes occurring in animals after the implantation of two human glioma cell lines as well as the cells taken directly from a patient suffering from GBM were compared. Both the extent and intensity of elemental changes strongly correlated with the regions of glioma growth. The obtained results showed that the observation of elemental anomalies accompanying tumor development within an animal's brain might facilitate our understanding of the pathogenesis and progress of GBM and also determine potential biomarkers of its extension. The tumors appearing in a rat's brain were characterized by an increased accumulation of Fe and Se, whilst the tissue directly surrounding the tumor presented a higher accumulation of Cu. Furthermore, the results of the study allow us to consider Se as a potential elemental marker of GBM progression.
Collapse
|
12
|
Monteith AJ, Skaar EP. The impact of metal availability on immune function during infection. Trends Endocrinol Metab 2021; 32:916-928. [PMID: 34483037 PMCID: PMC8516721 DOI: 10.1016/j.tem.2021.08.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/16/2022]
Abstract
Nutrient transition metals are required cofactors for many proteins to perform functions necessary for life. As such, the concentration of nutrient metals is carefully maintained to retain critical biological processes while limiting toxicity. During infection, invading bacterial pathogens must acquire essential metals, such as zinc, manganese, iron, and copper, from the host to colonize and cause disease. To combat this, the host exploits the essentiality and toxicity of nutrient metals by producing factors that limit metal availability, thereby starving pathogens or accumulating metals in excess to intoxicate the pathogen in a process termed 'nutritional immunity'. As a result of inflammation, a heterogeneous environment containing both metal-replete and -deplete niches is created, in which nutrient metal availability may have an underappreciated role in regulating immune cell function during infection. How the host manipulates nutrient metal availability during infection, and the downstream effects that nutrient metals and metal-sequestering proteins have on immune cell function, are discussed in this review.
Collapse
Affiliation(s)
- Andrew J Monteith
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Eric P Skaar
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA; Vanderbilt Institute for Infection, Immunology, & Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA.
| |
Collapse
|
13
|
Gundogan K, Emur Gunay Y, Ozer NT, Gunes Sahin G, Alptekinoglu Mendil NO, Sahin S, Temel S, Guven M, Sungur M. Serum trace elements levels in patients transferred from the intensive care unit to wards. Clin Nutr ESPEN 2021; 44:218-223. [PMID: 34330469 DOI: 10.1016/j.clnesp.2021.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 06/14/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND & AIMS Trace elements act as co-factors and/or in co-enzymes in many metabolic pathways and its deficiency contributes to metabolic and infectious complications. The aim of this study was to determine serum zinc, selenium, cobalt, chromium, copper and ceruloplasmin levels for identify the need for post intensive care unit (ICU) nutritional follow-up. METHODS This study was prospectively conducted in medical ICU. Adult patients (≥18 years) who stayed in ICU more than 48 h and transferred to ward were included in the study. Blood samples of trace element levels were sampled at discharge. RESULTS We enrolled 100 patients. The median age was 60 (40-70) years with Acute Physiology and Chronic Health Evaluation II (APACHE II) score 15 (11-21) . The median C-Reactive Protein (CRP) level was 53.9 (24.8-116.0) mg/L at discharge. Median serum zinc (24.4 mcg/dl:14.2-38.7) and chromium (0.22 mcg/dl:0.17-0.34) levels were below reference values, while median copper (111.9 (73.0-152.5) mcg/dl) and selenium (54.8 (36.4-95.25) mcg/L) values were within ranges. Serum concentrations of chromium, zinc, and selenium were lower than the normal values in 98, 90, and 36% of patients, respectively. The 28-day ICU mortality were correlated with low serum selenium levels (p = 0.03). CONCLUSION Serum chromium and zinc levels were below reference values at discharge, but this finding was in context of inflammation. Low serum selenium level observed in 36% was associated to 28-day ICU mortality.
Collapse
Affiliation(s)
- Kursat Gundogan
- Division of Medical Intensive Care, Department of Medicine, Erciyes University School of Medicine, Kayseri, Turkey; Division of Clinical Nutrition, Erciyes University Health Sciences Institute, Kayseri, Turkey.
| | - Yasemin Emur Gunay
- Department of Medicine, Erciyes University School of Medicine, Kayseri, Turkey
| | - Nurhayat Tugra Ozer
- Division of Clinical Nutrition, Erciyes University Health Sciences Institute, Kayseri, Turkey
| | - Gulsah Gunes Sahin
- Division of Clinical Nutrition, Erciyes University Health Sciences Institute, Kayseri, Turkey
| | | | - Serap Sahin
- Division of Clinical Nutrition, Erciyes University Health Sciences Institute, Kayseri, Turkey
| | - Sahin Temel
- Division of Medical Intensive Care, Department of Medicine, Erciyes University School of Medicine, Kayseri, Turkey
| | - Muhammet Guven
- Division of Medical Intensive Care, Department of Medicine, Erciyes University School of Medicine, Kayseri, Turkey; Department of Medicine, Lokman Hekim University School of Medicine, Ankara, Turkey
| | - Murat Sungur
- Division of Medical Intensive Care, Department of Medicine, Erciyes University School of Medicine, Kayseri, Turkey; Division of Clinical Nutrition, Erciyes University Health Sciences Institute, Kayseri, Turkey
| |
Collapse
|
14
|
Piacenza F, Giacconi R, Costarelli L, Basso A, Bürkle A, Moreno-Villanueva M, Dollé MET, Jansen E, Grune T, Weber D, Stuetz W, Gonos ES, Schön C, Bernhardt J, Grubeck-Loebenstein B, Sikora E, Toussaint O, Debacq-Chainiaux F, Franceschi C, Capri M, Hervonen A, Hurme M, Slagboom E, Breusing N, Mocchegiani E, Malavolta M. Age, sex and BMI influence on copper, zinc and their major serum carrier proteins in a large European population including Nonagenarian Offspring from MARK-AGE study. J Gerontol A Biol Sci Med Sci 2021; 76:2097-2106. [PMID: 33983441 DOI: 10.1093/gerona/glab134] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Indexed: 11/12/2022] Open
Abstract
The analysis of copper (Cu) and zinc (Zn) along with their major serum carriers, albumin (Alb) and ceruloplasmin (Cp), could provide information on the capacity of humans to maintain homeostasis of metals (metallostasis). However, their relationship with aging, sex, BMI, as well as with nutritional and inflammatory markers was never investigated in a large-scale study. Here, we report results from the European large-scale cross-sectional study MARK-AGE in which Cu, Zn, Alb, Cp as well as nutritional and inflammatory parameters were determined in 2424 age-stratified subjects (35-75 years) including the general population (RASIG), nonagenarian offspring (GO), a well-studied genetic model of longevity, and spouses of GO (SGO). In RASIG, Cu to Zn ratio and Cp to Alb ratio were higher in women than in men. Both ratios increased with aging because Cu and Cp increased and Alb and Zn decreased. Cu, Zn, Alb and Cp were found associated with several inflammatory as well as nutritional biomarkers.GO showed higher Zn levels and higher Zn to Alb ratio compared to RASIG, but we did not observe significant differences with SGO, likely as a consequence of the low sample size of SGO and the shared environment. Our results show that aging, sex, BMI and GO status are characterized by different levels of Cu, Zn and their serum carrier proteins. These data and their relationship with inflammatory biomarkers support the concept that loss of metallostasis is a characteristic of inflammaging.
Collapse
Affiliation(s)
- Francesco Piacenza
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | - Robertina Giacconi
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | - Laura Costarelli
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | - Andrea Basso
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | - Alexander Bürkle
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany
| | - María Moreno-Villanueva
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany.,Human Performance Research Centre, Department of Sport Science, University of Konstanz, Konstanz, Germany
| | - Martijn E T Dollé
- Centre for Health Protection, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Eugène Jansen
- Centre for Health Protection, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Nuthetal, Germany.,NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, Nuthetal, Germany
| | - Daniela Weber
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Nuthetal, Germany
| | - Wolfgang Stuetz
- Institute of Nutritional Sciences, University of Hohenheim, Stuttgart, Germany
| | - Efstathios S Gonos
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, Athens, Greece
| | | | | | | | - Ewa Sikora
- Laboratory of the Molecular Bases of Ageing, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Olivier Toussaint
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | | | - Claudio Franceschi
- Laboratory of Systems Medicine of Healthy Aging and Department of Applied Mathematics, Lobachevsky University, Nizhny Novgorod, Russia. Lobachevsky State University of Nizhny Novgorod, Russia
| | - Miriam Capri
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), Alma Mater Studiorum, University of Bologna, Bologna, Italy.CIG-Interdepartmental Center "L. Galvani", Alma Mater Studiorum, University of Bologna, Bologna, Italy.,Interdepartmental Center "Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate)", Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | | | - Mikko Hurme
- Medical School, University of Tampere, Tampere, Finland
| | - Eline Slagboom
- Department of Molecular Epidemiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Nicolle Breusing
- Department of Applied Nutritional Science/Dietetics, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Eugenio Mocchegiani
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| | - Marco Malavolta
- Translational Research Center of Nutrition and Ageing, IRCCS INRCA, Ancona, Italy
| |
Collapse
|
15
|
Rył A, Miazgowski T, Szylińska A, Turoń-Skrzypińska A, Jurewicz A, Bohatyrewicz A, Rotter I. Bone Health in Aging Men: Does Zinc and Cuprum Level Matter? Biomolecules 2021; 11:biom11020237. [PMID: 33567585 PMCID: PMC7915903 DOI: 10.3390/biom11020237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 01/10/2023] Open
Abstract
The aim of this study was to assess the associations of serum and bone zinc (Zn) and cuprum (Cu) with bone mineral density (BMD) and content (BMC), markers of bone turnover, and sex hormones. The study group comprised 144 men treated with total hip replacement due to hip osteoarthritis. We measured total, free, and bioavailable testosterone, estradiol, and sex-hormone-binding globulin (sex hormones), as well as parathyroid hormone, osteocalcin, carboxy terminal collagen crosslinks, and N-terminal propeptide of type I procollagen (markers of bone turnover). Total body BMD, BMC, total and visceral fat, and appendicular skeletal mass (ASM) were measured using dual-energy X-ray absorptiometry. ASM index, and total and visceral fat were positively correlated with BMD. Bone Zn correlated neither with sex hormones nor with bone turnover markers; however, it was positively associated both with BMD and with BMC, while bone Cu (as opposed to serum Cu) was not. In multiple regression, the ASM index, Zn/Cu ratio (in both the serum and the bone), and serum Cu concentration were significantly associated with BMD and BMC after adjustment for age and body mass index (BMI). Our results suggest that the Zn/Cu ratio in both the serum and the bone may exert a significant positive effect on total BMD and BMC.
Collapse
Affiliation(s)
- Aleksandra Rył
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (A.S.); (A.T.-S.); (I.R.)
- Correspondence:
| | - Tomasz Miazgowski
- Department of Propedeutics of Internal Diseases and Arterial Hypertension, Pomeranian Medical University, 71-252 Szczecin, Poland;
| | - Aleksandra Szylińska
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (A.S.); (A.T.-S.); (I.R.)
| | - Agnieszka Turoń-Skrzypińska
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (A.S.); (A.T.-S.); (I.R.)
| | - Alina Jurewicz
- Department of Orthopedics, Traumatology and Orthopedic Oncology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.B.)
| | - Andrzej Bohatyrewicz
- Department of Orthopedics, Traumatology and Orthopedic Oncology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.B.)
| | - Iwona Rotter
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (A.S.); (A.T.-S.); (I.R.)
| |
Collapse
|
16
|
Pincemail J, Cavalier E, Charlier C, Cheramy–Bien JP, Brevers E, Courtois A, Fadeur M, Meziane S, Goff CL, Misset B, Albert A, Defraigne JO, Rousseau AF. Oxidative Stress Status in COVID-19 Patients Hospitalized in Intensive Care Unit for Severe Pneumonia. A Pilot Study. Antioxidants (Basel) 2021; 10:257. [PMID: 33562403 PMCID: PMC7914603 DOI: 10.3390/antiox10020257] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/02/2021] [Accepted: 02/02/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND A key role of oxidative stress has been highlighted in the pathogenesis of COVID-19. However, little has been said about oxidative stress status (OSS) of COVID-19 patients hospitalized in intensive care unit (ICU). MATERIAL AND METHODS Biomarkers of the systemic OSS included antioxidants (9 assays), trace elements (3 assays), inflammation markers (4 assays) and oxidative damage to lipids (3 assays). RESULTS Blood samples were drawn after 9 (7-11) and 41 (39-43) days of ICU stay, respectively in 3 and 6 patients. Vitamin C, thiol proteins, reduced glutathione, γ-tocopherol, β-carotene and PAOT® score were significantly decreased compared to laboratory reference values. Selenium concentration was at the limit of the lower reference value. By contrast, the copper/zinc ratio (as a source of oxidative stress) was higher than reference values in 55% of patients while copper was significantly correlated with lipid peroxides (r = 0.95, p < 0.001). Inflammatory biomarkers (C-reactive protein and myeloperoxidase) were significantly increased when compared to normals. CONCLUSIONS The systemic OSS was strongly altered in critically ill COVID-19 patients as evidenced by increased lipid peroxidation but also by deficits in some antioxidants (vitamin C, glutathione, thiol proteins) and trace elements (selenium).
Collapse
Affiliation(s)
- Joël Pincemail
- Clinical Chemistry, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (E.C.); (E.B.); (C.L.G.)
| | - Etienne Cavalier
- Clinical Chemistry, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (E.C.); (E.B.); (C.L.G.)
| | - Corinne Charlier
- Toxicology Department, CHU of Liège, Sart Tilman, 4000 Liège, Belgium;
| | - Jean-Paul Cheramy–Bien
- Department of Cardiovascular Surgery, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (J.-P.C.-B.); (A.C.); (J.-O.D.)
| | - Eric Brevers
- Clinical Chemistry, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (E.C.); (E.B.); (C.L.G.)
| | - Audrey Courtois
- Department of Cardiovascular Surgery, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (J.-P.C.-B.); (A.C.); (J.-O.D.)
| | - Marjorie Fadeur
- Service of Diabetology, Nutrition and Metabolic Diseases, CHU of Liège, Sart Tilman, 4000 Liège, Belgium;
| | - Smail Meziane
- Institut Européen des Antioxydants, 54000 Nancy, France;
| | - Caroline Le Goff
- Clinical Chemistry, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (E.C.); (E.B.); (C.L.G.)
| | - Benoît Misset
- Intensive Care Department, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (B.M.); (A.-F.R.)
| | - Adelin Albert
- Biostatistics and Medico-economic Information Department, CHU of Liège, Sart Tilman, 4000 Liège, Belgium;
| | - Jean-Olivier Defraigne
- Department of Cardiovascular Surgery, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (J.-P.C.-B.); (A.C.); (J.-O.D.)
| | - Anne-Françoise Rousseau
- Intensive Care Department, CHU of Liège, Sart Tilman, 4000 Liège, Belgium; (B.M.); (A.-F.R.)
| |
Collapse
|
17
|
Popov Aleksandrov A, Mirkov I, Tucovic D, Kulas J, Ninkov M, Kataranovski M. Cadmium and immunologically-mediated homeostasis of anatomical barrier tissues. Toxicol Lett 2020; 337:38-45. [PMID: 33246043 DOI: 10.1016/j.toxlet.2020.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 02/07/2023]
Abstract
Cadmium (Cd) is a toxic heavy metal that when absorbed into the body causes nephrotoxicity and effects in other tissues.Anatomical barrier tissues are tissues that prevent the entry of pathogens and include skin, mucus membranes and the immune system. The adverse effects of Cd-induced immune cell's activity are the most extensively studied in the kidneys and the liver. There are though fewer data relating the effect of this metal on the other tissues, particularly in those in which cells of the immune system form local circuits of tissue defense, maintaining immune-mediated homeostasis. In this work, data on the direct and indirect effects of Cd on anatomical barrier tissue of inner and outer body surfaces (the lungs, gut, reproductive organs, and skin) were summarized.
Collapse
Affiliation(s)
- Aleksandra Popov Aleksandrov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Ivana Mirkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Dina Tucovic
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Jelena Kulas
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Marina Ninkov
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia
| | - Milena Kataranovski
- Immunotoxicology Group, Department of Ecology, Institute for Biological Research" Siniša Stanković"- National Institute of Republic of Serbia, University of Belgrade, 142 Bulevar Despota Stefana, Belgrade, 11000, Serbia.
| |
Collapse
|
18
|
Ma J, Zhou Y, Wang D, Guo Y, Wang B, Xu Y, Chen W. Associations between essential metals exposure and metabolic syndrome (MetS): Exploring the mediating role of systemic inflammation in a general Chinese population. ENVIRONMENT INTERNATIONAL 2020; 140:105802. [PMID: 32474217 DOI: 10.1016/j.envint.2020.105802] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 05/02/2020] [Accepted: 05/12/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Essential metals have been reported to be associated with metabolic diseases. However, the relationships between essential metals exposure and Metabolic Syndrome (MetS) is still uncertain, and the underlying mechanisms of the association remain unclear. OBJECTIVES To investigate the associations of urinary essential metals with MetS prevalence; and further to explore potential role of systemic inflammation biomarker, C-reactive protein (CRP), in relationships between essential metals exposure and MetS prevalence in a cross-sectional study. METHODS Concentrations of 8 urinary essential metals and plasma C-reactive protein (CRP) were quantified in 3272 adults from Wuhan-Zhuhai cohort. Urinary essential metals were adjusted by the corresponding urinary creatinine concentrations and reported as μg/mmol creatinine. Multivariable logistic regression and linear regression models were used to evaluate dose-response relationships between essential metals, plasma CRP, and MetS prevalence. Mediation analysis was performed to investigate the role of plasma CRP in the associations between urinary essential metals and MetS prevalence. RESULTS In the single-metal models, we observed positive dose-dependent relationships of urinary copper and zinc with MetS prevalence. Compared with the lowest quartiles of urinary metals, the ORs (95% CI) of MetS in the highest quartiles were 1.40 (1.03, 1.91) for urinary copper and 2.07 (1.51, 2.84) for zinc, respectively. The dose-dependent relationships of zinc and copper with MetS remained significant in the multiple-metal models and Bayesian kernel machine regression (BKMR) models. No significant associations were observed between others essential metals (e.g. manganese, iron, cobalt, selenium, chromium, molybdenum) and MetS in this general population (all P value > 0.05). In addition, urinary copper and zinc increased monotonically with plasma CRP elevation, and plasma CRP was positively associated with the MetS prevalence. Mediation analysis indicated that plasma CRP mediated 5.2% and 3.2% in the associations of urinary copper and zinc with MetS prevalence, respectively. CONCLUSIONS Elevated concentrations of urinary copper and zinc were associated with increased prevalence of MetS. Systemic inflammation may play an important role in the associations of copper and zinc exposure with MetS.
Collapse
Affiliation(s)
- Jixuan Ma
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yun Zhou
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Dongming Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yanjun Guo
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Bin Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yiju Xu
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Weihong Chen
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| |
Collapse
|
19
|
McDonald CM, Suchdev PS, Krebs NF, Hess SY, Wessells KR, Ismaily S, Rahman S, Wieringa FT, Williams AM, Brown KH, King JC. Adjusting plasma or serum zinc concentrations for inflammation: Biomarkers Reflecting Inflammation and Nutritional Determinants of Anemia (BRINDA) project. Am J Clin Nutr 2020; 111:927-937. [PMID: 32266402 PMCID: PMC7138668 DOI: 10.1093/ajcn/nqz304] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 11/14/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The accurate estimation of zinc deficiency at the population level is important, as it guides the design, targeting, and evaluation of nutrition interventions. Plasma or serum zinc concentration (PZC) is recommended to estimate zinc nutritional status; however, concentrations may decrease in the presence of inflammation. OBJECTIVES We aimed to assess the relation between PZC and inflammation in preschool children (PSC; 6-59 mo) and nonpregnant women of reproductive age (WRA; 15-49 y), and to compare different inflammation adjustment approaches, if adjustment is warranted. METHODS Cross-sectional data from 13 nationally representative surveys (18,859 PSC, 22,695 WRA) from the Biomarkers Reflecting Inflammation and Nutritional Determinants of Anemia (BRINDA) project were analyzed. Correlation and decile analyses were conducted, and the following 3 adjustment methods were compared if a consistent negative association between PZC and C-reactive protein (CRP) or α-1-acid glycoprotein (AGP) was observed: 1) exclude individuals with CRP > 5 mg/L or AGP > 1 g/L; 2) apply arithmetic correction factors; and 3) use the BRINDA regression correction (RC) approach. RESULTS In 6 of 12 PSC surveys, the estimated prevalence of zinc deficiency increased with increasing CRP deciles, and to a lesser extent, with increasing AGP deciles. In WRA, the association of PZC with CRP and AGP was weak and inconsistent. In the 6 PSC surveys in which adjustment methods were compared, application of RC reduced the estimated prevalence of zinc deficiency by a median of 11 (range: 4-18) percentage points, compared with the unadjusted prevalence. CONCLUSIONS Relations between PZC and inflammatory markers were inconsistent, suggesting that correlation and decile analyses should be conducted before applying any inflammation adjustments. In populations of PSC that exhibit a significant negative association between PZC and CRP or AGP, application of the RC approach is supported. At this time, there is insufficient evidence to warrant inflammation adjustment in WRA.
Collapse
Affiliation(s)
- Christine M McDonald
- Children's Hospital Oakland Research Institute, Oakland, CA, USA
- Department of Pediatrics, School of Medicine, University of California, San Francisco, CA, USA
- Address correspondence to CMM (e-mail: )
| | - Parminder S Suchdev
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
- Nutrition Branch, CDC, Atlanta, GA, USA
| | - Nancy F Krebs
- Section of Nutrition, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA
| | - Sonja Y Hess
- Department of Nutrition, University of California, Davis, CA, USA
| | - K Ryan Wessells
- Department of Nutrition, University of California, Davis, CA, USA
| | - Sanober Ismaily
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Sabuktagin Rahman
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
- School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | | | - Anne M Williams
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
- Nutrition Branch, CDC, Atlanta, GA, USA
- McKing Consulting Corporation, Atlanta, GA, USA
| | - Kenneth H Brown
- Department of Nutrition, University of California, Davis, CA, USA
| | - Janet C King
- Children's Hospital Oakland Research Institute, Oakland, CA, USA
| |
Collapse
|
20
|
Williams CL, Neu HM, Alamneh YA, Reddinger RM, Jacobs AC, Singh S, Abu-Taleb R, Michel SLJ, Zurawski DV, Merrell DS. Characterization of Acinetobacter baumannii Copper Resistance Reveals a Role in Virulence. Front Microbiol 2020; 11:16. [PMID: 32117089 PMCID: PMC7015863 DOI: 10.3389/fmicb.2020.00016] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 01/07/2020] [Indexed: 12/30/2022] Open
Abstract
Acinetobacter baumannii is often highly drug-resistant and causes severe infections in compromised patients. These infections can be life threatening due to limited treatment options. Copper is inherently antimicrobial and increasing evidence indicates that copper containing formulations may serve as non-traditional therapeutics against multidrug-resistant bacteria. We previously reported that A. baumannii is sensitive to high concentrations of copper. To understand A. baumannii copper resistance at the molecular level, herein we identified putative copper resistance components and characterized 21 strains bearing mutations in these genes. Eight of the strains displayed a copper sensitive phenotype (pcoA, pcoB, copB, copA/cueO, copR/cusR, copS/cusS, copC, copD); the putative functions of these proteins include copper transport, oxidation, sequestration, and regulation. Importantly, many of these mutant strains still showed increased sensitivity to copper while in a biofilm. Inductively coupled plasma mass spectrometry revealed that many of these strains had defects in copper mobilization, as the mutant strains accumulated more intracellular copper than the wild-type strain. Given the crucial antimicrobial role of copper-mediated killing employed by the immune system, virulence of these mutant strains was investigated in Galleria mellonella; many of the mutant strains were attenuated. Finally, the cusR and copD strains were also investigated in the murine pneumonia model; both were found to be important for full virulence. Thus, copper possesses antimicrobial activity against multidrug-resistant A. baumannii, and copper sensitivity is further increased when copper homeostasis mechanisms are interrupted. Importantly, these proteins are crucial for full virulence of A. baumannii and may represent novel drug targets.
Collapse
Affiliation(s)
- Caitlin L Williams
- Department of Microbiology & Immunology, Uniformed Services University, Bethesda, MD, United States
| | - Heather M Neu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Baltimore, MD, United States
| | - Yonas A Alamneh
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Ryan M Reddinger
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Anna C Jacobs
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Shweta Singh
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Rania Abu-Taleb
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Sarah L J Michel
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Baltimore, MD, United States
| | - Daniel V Zurawski
- Wound Infections Department, Bacterial Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - D Scott Merrell
- Department of Microbiology & Immunology, Uniformed Services University, Bethesda, MD, United States
| |
Collapse
|
21
|
Lin W, Han W, Wen K, Huang S, Tang Y, Lin Z, Han M. The Alterations of Copper and Zinc Homeostasis in Acute Appendicitis and the Clinical Significance. Biol Trace Elem Res 2019; 192:116-122. [PMID: 30771140 DOI: 10.1007/s12011-019-01661-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/04/2019] [Indexed: 02/05/2023]
Abstract
Copper (Cu) and zinc (Zn) are involved in inflammatory process. This study was to investigate the clinical significance of Cu and Zn homeostasis alterations in acute appendicitis (AA). One hundred twenty-two AA patients and 102 healthy controls were enrolled in this study. Of which, 85 patients' appendixes were collected after appendectomy. Another six appendixes from colon cancer patients were collected as tissue controls. The contents of Cu and Zn in serum or appendix were detected, and the Cu to Zn ratio (CZr) was calculated. The concentrations of serum ceruloplasmin (CP), Cu/Zn superoxide dismutase (SOD1), interleukin-6 (IL-6), and interleukin-22 in serum were measured, as well as the activity of CP and SOD1. The serum Zn concentration and SOD1 activity, appendix contents of Cu and Zn significantly decreased in AA patients, compared with those of controls, while serum CZr, concentrations of CP, SOD1, and IL-6, as well as CP activity increased significantly in AA patients. Additionally, serum concentrations of Zn, CP, CZr, or SOD1 activity varied in different pathological types of AA. Indicators such as serum SOD1 activity might serve as predictors for pathological classification before surgery. The serum Zn and CZr may be helpful for diagnosis of pure AA. The Cu and Zn homeostasis was altered in AA patients, which might contribute to inflammatory process of AA.
Collapse
Affiliation(s)
- Wenhao Lin
- Emergency Department of Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Wei Han
- Emergency Department of Shenzhen University General Hospital, Shenzhen, China
| | - Ke Wen
- Department of Microsurgery, Taihe Hospital, Shiyan, China
| | - Sunhua Huang
- Emergency Department of Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Yao Tang
- Emergency Department of Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Zhexuan Lin
- Bio-analytical Laboratory, Shantou University Medical College, Shantou, China.
| | - Ming Han
- Emergency Department of Shenzhen University General Hospital, Shenzhen, China.
| |
Collapse
|
22
|
Coverdale JPC, Barnett JP, Adamu AH, Griffiths EJ, Stewart AJ, Blindauer CA. A metalloproteomic analysis of interactions between plasma proteins and zinc: elevated fatty acid levels affect zinc distribution. Metallomics 2019; 11:1805-1819. [PMID: 31612889 DOI: 10.1039/c9mt00177h] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Serum albumin is a highly abundant plasma protein associated with the transport of metal ions, pharmaceuticals, fatty acids and a variety of small molecules in the blood. Once thought of as a molecular 'sponge', mounting evidence suggests that the albumin-facilitated transport of chemically diverse entities is not independent. One such example is the transport of Zn2+ ions and non-esterified 'free' fatty acids (FFAs) by albumin, both of which bind at high affinity sites located in close proximity. Our previous research suggests that their transport in blood plasma is linked via an allosteric mechanism on serum albumin. In direct competition, albumin-bound FFAs significantly decrease the binding capacity of albumin for Zn2+, with one of the predicted consequences being a change in plasma/serum zinc speciation. Using liquid chromatography (LC), ICP-MS and fluorescence assays, our work provides a quantitative assessment of this phenomenon, and finds that in the presence of high FFA concentrations encountered in various physiological conditions, a significant proportion of albumin-bound Zn2+ is re-distributed amongst plasma/serum proteins. Using peptide mass fingerprinting and immunodetection, we identify candidate acceptor proteins for Zn2+ liberated from albumin. These include histidine-rich glycoprotein (HRG), a multifunctional protein associated with the regulation of blood coagulation, and members of the complement system involved in the innate immune response. Our findings highlight how FFA-mediated changes in extracellular metal speciation might contribute to the progression of certain pathological conditions.
Collapse
Affiliation(s)
| | - James P Barnett
- Department of Life Sciences, Birmingham City University, Edgbaston, B15 3TN, UK
| | - Adamu H Adamu
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK.
| | - Ellie J Griffiths
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK.
| | - Alan J Stewart
- School of Medicine, University of St Andrews, St Andrews, KY16 9TF, UK
| | | |
Collapse
|
23
|
Mervinetsky E, Alshanski I, Buchwald J, Dianat A, Lončarić I, Lazić P, Crljen Ž, Gutierrez R, Cuniberti G, Hurevich M, Yitzchaik S. Direct Assembly and Metal-Ion Binding Properties of Oxytocin Monolayer on Gold Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:11114-11122. [PMID: 31361147 DOI: 10.1021/acs.langmuir.9b01830] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Peptides are very common recognition entities that are usually attached to surfaces using multistep processes. These processes require modification of the native peptides and of the substrates. Using functional groups in native peptides for their assembly on surfaces without affecting their biological activity can facilitate the preparation of biosensors. Herein, we present a simple single-step formation of native oxytocin monolayer on gold surface. These surfaces were characterized by atomic force spectroscopy, spectroscopic ellipsometry, and X-ray photoelectron spectroscopy. We took advantage of the native disulfide bridge of the oxytocin for anchoring the peptide to the Au surface, while preserving the metal-ion binding properties. Self-assembled oxytocin monolayer was used by electrochemical impedance spectroscopy for metal-ion sensing leading to subnanomolar sensitivities for zinc or copper ions.
Collapse
Affiliation(s)
| | | | - Jörg Buchwald
- Institute for Materials Science and Max Bergmann Center of Biomaterials , Hallwachsstraße 3 , 01062 Dresden , Germany
| | - Arezoo Dianat
- Institute for Materials Science and Max Bergmann Center of Biomaterials , Hallwachsstraße 3 , 01062 Dresden , Germany
| | - Ivor Lončarić
- Ruđer Bošković Institute , Bijenička cesta 54 , 10000 Zagreb , Croatia
| | - Predrag Lazić
- Ruđer Bošković Institute , Bijenička cesta 54 , 10000 Zagreb , Croatia
| | - Željko Crljen
- Ruđer Bošković Institute , Bijenička cesta 54 , 10000 Zagreb , Croatia
| | - Rafael Gutierrez
- Institute for Materials Science and Max Bergmann Center of Biomaterials , Hallwachsstraße 3 , 01062 Dresden , Germany
| | - Gianaurelio Cuniberti
- Institute for Materials Science and Max Bergmann Center of Biomaterials , Hallwachsstraße 3 , 01062 Dresden , Germany
- Dresden Center for Computational Materials Science , TU Dresden , 01062 Dresden , Germany
- Center for Advancing Electronics Dresden , TU Dresden , 01062 Dresden , Germany
| | | | | |
Collapse
|
24
|
Hennigar SR, Lieberman HR, Fulgoni VL, McClung JP. Serum Zinc Concentrations in the US Population Are Related to Sex, Age, and Time of Blood Draw but Not Dietary or Supplemental Zinc. J Nutr 2018; 148:1341-1351. [PMID: 29947812 DOI: 10.1093/jn/nxy105] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/12/2018] [Indexed: 12/31/2022] Open
Abstract
Background Serum zinc concentration is used to assess the zinc status of populations. Cutoffs for serum zinc were developed on the basis of data from the second NHANES (1976-1980). Objective The objective of this study was to evaluate serum zinc concentrations in the US population and to determine factors affecting serum zinc with the use of NHANES 2011-2014. Methods Serum zinc was determined in males and females aged ≥6 y with the use of NHANES 2011-2014 (n = 4347). Dietary zinc intake was determined, and factors affecting serum zinc were identified with the use of regression models adjusting for sex, age, fasting status, and time of blood draw. ORs were calculated to identify factors associated with the risk of being below the serum zinc cutoff, and the prevalence of low serum zinc in the US was calculated. P < 0.01 was considered significant. Results Mean ± SE serum zinc concentrations in males and females were 84.9 ± 0.8 and 80.6 ± 0.6 μg/dL, respectively (P < 0.0001). Regression models with serum zinc as the dependent variable indicated that afternoon and evening blood draws (β = -9.7 and -15.3; P < 0.0001) were negatively associated with serum zinc concentrations and serum albumin (β = 16.1; P < 0.0001) and hemoglobin (β = 1.0; P = 0.0048) were positively associated with serum zinc concentrations. Hypoalbuminemia (OR = 11.2; 99% CI: 3.4, 37.3), anemia in females (OR: 3.4; 99% CI: 1.7, 6.9), and pregnancy (OR: 9.6; 99% CI: 2.9, 31.9) increased the odds of being below the serum zinc cutoff (P < 0.0001 for all). Zinc from diet or supplements did not affect serum zinc (P > 0.01). Approximately 3.8% of children (<10 y), 8.6% of males (≥10 y), and 8.2% of females (≥10 y) were below the serum zinc cutoff. Conclusions Factors such as sex, age, and time of blood draw should be considered when using serum zinc concentration to determine the zinc status of a population. Caution is advised when interpreting serum zinc concentration in populations with a high prevalence of hypoalbuminemia or anemia. This trial was registered at http://www.isrctn.com as ISRCTN96013840.
Collapse
Affiliation(s)
- Stephen R Hennigar
- US Army Research Institute of Environmental Medicine, Military Nutrition Division, Natick, MA.,Oak Ridge Institute for Science and Education, Belcamp, MD
| | - Harris R Lieberman
- US Army Research Institute of Environmental Medicine, Military Nutrition Division, Natick, MA
| | | | - James P McClung
- US Army Research Institute of Environmental Medicine, Military Nutrition Division, Natick, MA
| |
Collapse
|
25
|
Host and Pathogen Copper-Transporting P-Type ATPases Function Antagonistically during Salmonella Infection. Infect Immun 2017; 85:IAI.00351-17. [PMID: 28652309 DOI: 10.1128/iai.00351-17] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 06/14/2017] [Indexed: 12/29/2022] Open
Abstract
Copper is an essential yet potentially toxic trace element that is required by all aerobic organisms. A key regulator of copper homeostasis in mammalian cells is the copper-transporting P-type ATPase ATP7A, which mediates copper transport from the cytoplasm into the secretory pathway, as well as copper export across the plasma membrane. Previous studies have shown that ATP7A-dependent copper transport is required for killing phagocytosed Escherichia coli in a cultured macrophage cell line. In this investigation, we expanded on these studies by generating Atp7aLysMcre mice, in which the Atp7a gene was specifically deleted in cells of the myeloid lineage, including macrophages. Primary macrophages isolated from Atp7aLysMcre mice exhibit decreased copper transport into phagosomal compartments and a reduced ability to kill Salmonella enterica serovar Typhimurium compared to that of macrophages isolated from wild-type mice. The Atp7aLysMcre mice were also more susceptible to systemic infection by S Typhimurium than wild-type mice. Deletion of the S Typhimurium copper exporters, CopA and GolT, was found to decrease infection in wild-type mice but not in the Atp7aLysMcre mice. These studies suggest that ATP7A-dependent copper transport into the phagosome mediates host defense against S Typhimurium, which is counteracted by copper export from the bacteria via CopA and GolT. These findings reveal unique and opposing functions for copper transporters of the host and pathogen during infection.
Collapse
|
26
|
Brown LR, Caulkins RC, Schartel TE, Rosch JW, Honsa ES, Schultz-Cherry S, Meliopoulos VA, Cherry S, Thornton JA. Increased Zinc Availability Enhances Initial Aggregation and Biofilm Formation of Streptococcus pneumoniae. Front Cell Infect Microbiol 2017. [PMID: 28638805 PMCID: PMC5461340 DOI: 10.3389/fcimb.2017.00233] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bacteria growing within biofilms are protected from antibiotics and the immune system. Within these structures, horizontal transfer of genes encoding virulence factors, and promoting antibiotic resistance occurs, making biofilms an extremely important aspect of pneumococcal colonization and persistence. Identifying environmental cues that contribute to the formation of biofilms is critical to understanding pneumococcal colonization and infection. Iron has been shown to be essential for the formation of pneumococcal biofilms; however, the role of other physiologically important metals such as copper, zinc, and manganese has been largely neglected. In this study, we investigated the effect of metals on pneumococcal aggregation and early biofilm formation. Our results show that biofilms increase as zinc concentrations increase. The effect was found to be zinc-specific, as altering copper and manganese concentrations did not affect biofilm formation. Scanning electron microscopy analysis revealed structural differences between biofilms grown in varying concentrations of zinc. Analysis of biofilm formation in a mutant strain lacking the peroxide-generating enzyme pyruvate oxidase, SpxB, revealed that zinc does not protect against pneumococcal H2O2. Further, analysis of a mutant strain lacking the major autolysin, LytA, indicated the role of zinc as a negative regulator of LytA-dependent autolysis, which could affect biofilm formation. Additionally, analysis of cell-cell aggregation via plating and microscopy revealed that high concentrations of zinc contribute to intercellular interaction of pneumococci. The findings from this study demonstrate that metal availability contributes to the ability of pneumococci to form aggregates and subsequently, biofilms.
Collapse
Affiliation(s)
- Lindsey R Brown
- Department of Biological Sciences, Mississippi State UniversityStarkville, MS, United States
| | - Rachel C Caulkins
- Department of Biological Sciences, Mississippi State UniversityStarkville, MS, United States
| | - Tyler E Schartel
- Department of Biological Sciences, Mississippi State UniversityStarkville, MS, United States
| | - Jason W Rosch
- Department of Infectious Diseases, St. Jude Children's Research HospitalMemphis, TN, United States
| | - Erin S Honsa
- Department of Infectious Diseases, St. Jude Children's Research HospitalMemphis, TN, United States
| | - Stacey Schultz-Cherry
- Department of Infectious Diseases, St. Jude Children's Research HospitalMemphis, TN, United States
| | - Victoria A Meliopoulos
- Department of Infectious Diseases, St. Jude Children's Research HospitalMemphis, TN, United States
| | - Sean Cherry
- Department of Infectious Diseases, St. Jude Children's Research HospitalMemphis, TN, United States
| | - Justin A Thornton
- Department of Biological Sciences, Mississippi State UniversityStarkville, MS, United States
| |
Collapse
|
27
|
Wisniewska M, Cremer M, Wiehe L, Becker NP, Rijntjes E, Martitz J, Renko K, Bührer C, Schomburg L. Copper to Zinc Ratio as Disease Biomarker in Neonates with Early-Onset Congenital Infections. Nutrients 2017; 9:E343. [PMID: 28358335 PMCID: PMC5409682 DOI: 10.3390/nu9040343] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 03/28/2017] [Indexed: 02/06/2023] Open
Abstract
Copper (Cu) and zinc (Zn) are essential trace elements for regular development. Acute infections alter their metabolism, while deficiencies increase infection risks. A prospective observational case-control study was conducted with infected (n = 21) and control (n = 23) term and preterm newborns. We analyzed trace element concentrations by X-ray fluorescence, and ceruloplasmin (CP) by Western blot. Median concentration of Cu at birth (day 1) was 522.8 [387.1-679.7] μg/L, and Zn was 1642.4 ± 438.1 μg/L. Cu and Zn correlated positively with gestational age in control newborns. Cu increased in infected newborns from day 1 to day 3. CP correlated positively to Cu levels at birth in both groups and on day 3 in the group of infected neonates. The Cu/Zn ratio was relatively high in infected newborns. Interleukin (IL)-6 concentrations on day 1 were unrelated to Cu, Zn, or the Cu/Zn ratio, whereas C-reactive protein (CRP) levels on day 3 correlated positively to the Cu/Zn -ratio at both day 1 and day 3. We conclude that infections affect the trace element homeostasis in newborns: serum Zn is reduced, while Cu and CP are increased. The Cu/Zn ratio combines both alterations, independent of gestational age. It may, thus, constitute a meaningful diagnostic biomarker for early-onset infections.
Collapse
Affiliation(s)
- Monika Wisniewska
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Malte Cremer
- Department of Neonatology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Lennart Wiehe
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Niels-Peter Becker
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Eddy Rijntjes
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Janine Martitz
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Kostja Renko
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Christoph Bührer
- Department of Neonatology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| | - Lutz Schomburg
- Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, CVK, D-13353 Berlin, Germany.
| |
Collapse
|
28
|
Martin JE, Edmonds KA, Bruce KE, Campanello GC, Eijkelkamp BA, Brazel EB, McDevitt CA, Winkler ME, Giedroc DP. The zinc efflux activator SczA protects Streptococcus pneumoniae serotype 2 D39 from intracellular zinc toxicity. Mol Microbiol 2017; 104:636-651. [PMID: 28249108 DOI: 10.1111/mmi.13654] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2017] [Indexed: 12/19/2022]
Abstract
Zinc is an essential trace element that serves as a catalytic cofactor in metalloenzymes and a structural element in proteins involved in general metabolism and cellular defenses of pathogenic bacteria. Despite its importance, high zinc levels can impair cellular processes, inhibiting growth of many pathogenic bacteria, including the major respiratory pathogen Streptococcus pneumoniae. Zinc intoxication is prevented in S. pneumoniae by expression of the zinc exporter CzcD, whose expression is activated by the novel TetR-family transcriptional zinc-sensing regulator SczA. How zinc bioavailability triggers activation of SczA is unknown. It is shown here through functional studies in S. pneumoniae that an unannotated homodimeric TetR from S. agalactiae (PDB 3KKC) is the bona fide zinc efflux regulator SczA, and binds two zinc ions per protomer. Mutagenesis analysis reveals two metal binding sites, termed A and B, located on opposite sides of the SczA C-terminal regulatory domain. In vivo, the A- and B-site SczA mutant variants impact S. pneumoniae resistance to zinc toxicity and survival in infected macrophages. A model is proposed for S. pneumoniae SczA function in which both A- and B-sites were required for transcriptional activation of czcD expression, with the A-site serving as the evolutionarily conserved intracellular sensing site in SczAs.
Collapse
Affiliation(s)
- Julia E Martin
- Department of Chemistry, Indiana University, Bloomington, IN, 47405-7005, USA
| | - Katherine A Edmonds
- Department of Chemistry, Indiana University, Bloomington, IN, 47405-7005, USA
| | - Kevin E Bruce
- Department of Biology, Indiana University, Bloomington, IN, 47405-7005, USA
| | | | - Bart A Eijkelkamp
- Research Centre for Infectious Diseases, School of Biological Sciences, the University of Adelaide, SA, 5005, Australia
| | - Erin B Brazel
- Research Centre for Infectious Diseases, School of Biological Sciences, the University of Adelaide, SA, 5005, Australia
| | - Christopher A McDevitt
- Research Centre for Infectious Diseases, School of Biological Sciences, the University of Adelaide, SA, 5005, Australia
| | - Malcolm E Winkler
- Department of Biology, Indiana University, Bloomington, IN, 47405-7005, USA
| | - David P Giedroc
- Department of Chemistry, Indiana University, Bloomington, IN, 47405-7005, USA
| |
Collapse
|
29
|
Hennigar SR, McClung JP. Hepcidin Attenuates Zinc Efflux in Caco-2 Cells. J Nutr 2016; 146:2167-2173. [PMID: 27655758 DOI: 10.3945/jn.116.237081] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 08/17/2016] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Hepcidin mediates the hypoferremia of inflammation by inhibiting iron transfer into circulation; however, a regulator for the hypozincemia observed in individuals with acute and chronic inflammatory and infectious diseases is not known. OBJECTIVE The objective of this study was to determine the effects of hepcidin on zinc transport in intestinal epithelial cells. METHODS Differentiated human intestinal Caco-2 cells were untreated or treated with 1 μM hepcidin for 3-24 h. Zinc transport was assessed in cells seeded on Transwell inserts. Media from the apical and basolateral chambers were collected, and zinc concentrations were determined using 67Zn. Labile zinc pools were imaged and quantified in cells loaded with FluoZin-3-AM and expression of metallothionein and the zinc transporters zrt-/irt-like protein (ZIP)4 (SLC39A4), ZIP5 (SLC39A5), ZIP14 (SLC39A14), and zinc transporter 1 (ZnT1) (SLC30A1) was determined. Cells were transfected with SLC40A1- or SLC30A1-specific small interfering RNA to knock down ferroportin and ZnT1 protein, respectively. Cell surface proteins were isolated by cell surface biotinylation and lysosomal and proteasomal degradation was inhibited by treating cells with chloroquine or MG132, respectively. RESULTS Hepcidin attenuated zinc transport, as cells treated with hepcidin exported 26% less 67Zn (P < 0.05) into the basolateral chamber and retained 27% more cellular 67Zn (P < 0.05) than did control cells. Labile zinc decreased, and the mRNA abundance of metallothionein increased by ∼50% in hepcidin-treated cells compared with control cells (P < 0.05). Hepcidin reduced ZnT1 protein by 75% (P < 0.05) compared with control cells. Hepcidin-mediated reductions in zinc export remained in ferroportin knockdown cells compared with untreated controls (P < 0.05), whereas knockdown of ZnT1 inhibited this effect (P ≥ 0.05). Hepcidin significantly reduced biotinylated cell surface ZnT1 compared with control cells (P < 0.05); chloroquine inhibited hepcidin-mediated degradation of ZnT1 (P ≥ 0.05), whereas MG132 had no effect (P < 0.05). CONCLUSIONS Hepcidin reduces intestinal zinc export by post-translationally downregulating ZnT1 through a lysosomal-mediated degradation pathway, indicating that hepcidin may contribute to the hypozincemia of inflammation and infection.
Collapse
Affiliation(s)
- Stephen R Hennigar
- US Army Research Institute of Environmental Medicine, Military Nutrition Division, Natick, MA
| | - James P McClung
- US Army Research Institute of Environmental Medicine, Military Nutrition Division, Natick, MA
| |
Collapse
|
30
|
Barros-Neto JA, Souza-Machado A, Kraychete DC, de Jesus RP, Cortes ML, Lima MDS, Freitas MC, Santos TMDM, Viana GFDS, Menezes-Filho JA. Selenium and Zinc Status in Chronic Myofascial Pain: Serum and Erythrocyte Concentrations and Food Intake. PLoS One 2016; 11:e0164302. [PMID: 27755562 PMCID: PMC5068745 DOI: 10.1371/journal.pone.0164302] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 09/22/2016] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Nutritional disorders have been reported to be important causal factors that can intensify or cause a painful response in individuals with chronic musculoskeletal pain. AIM To assess the habitual intake of and the serum and erythrocyte levels of selenium and zinc in patients with chronic myofascial pain. MATERIALS AND METHODS A case-control study of 31 patients with chronic myofascial pain (group I) and 31 subjects without pain (group II). Dietary record in five days for assessing food intake were used. The serum and erythrocyte concentrations of selenium and zinc were analyzed using an atomic absorption spectrophotometry. Pain intensity was assessed using a visual analog scale. RESULTS The group of patients with chronic myofascial pain, compared with the control group, showed a lower erythrocyte concentration of selenium (79.46 ± 19.79 μg/L vs. 90.80 ± 23.12 μg/L; p = 0.041) and zinc (30.56 ± 7.74 μgZn/gHb vs. 38.48 ± 14.86 μgZn/gHb, respectively; p = 0.004). In this study, a compromised food intake of zinc was observed in the majority of the subjects in both groups. The selenium intake was considered to be safe in 80% of the subjects in both groups; however, the likelihood of inadequate intake of this mineral was twice as high in group I (49.5% vs. 24.4%, respectively). In the logistic regression analysis, the erythrocyte concentration of zinc was associated with the presence of pain. In each additional 1 mg of Zn2+ per gram of hemoglobin, a reduction of 12.5% was observed in the risk of the individual having chronic myofascial pain (B = -0.133; adjusted OR = 0.875, 95% CI = 0.803 to 0.954, Wald = 9.187, standard error = 0.044, p = 0.002). Physical inactivity and obesity were noted more commonly in group I compared with the control group. CONCLUSION In this study, patients with chronic myofascial pain showed lower intracellular stores of zinc and selenium and inadequate food intake of these nutrients.
Collapse
Affiliation(s)
| | | | | | | | - Matheus Lopes Cortes
- Multidisciplinary institute in health, Federal University of Bahia, Vitória da Conquista, Bahia, Brazil
| | - Michele dos Santos Lima
- Multidisciplinary institute in health, Federal University of Bahia, Vitória da Conquista, Bahia, Brazil
| | | | | | | | | |
Collapse
|
31
|
Abstract
Copper (Cu) is an essential trace element for all aerobic organisms. It functions as a cofactor in enzymes that catalyze a wide variety of redox reactions due to its ability to cycle between two oxidation states, Cu(I) and Cu(II). This same redox property of copper has the potential to cause toxicity if copper homeostasis is not maintained. Studies suggest that the toxic properties of copper are harnessed by the innate immune system of the host to kill bacteria. To counter such defenses, bacteria rely on copper tolerance genes for virulence within the host. These discoveries suggest bacterial copper intoxication is a component of host nutritional immunity, thus expanding our knowledge of the roles of copper in biology. This review summarizes our current understanding of copper tolerance in bacteria, and the extent to which these pathways contribute to bacterial virulence within the host.
Collapse
Affiliation(s)
- Erik Ladomersky
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, USA.
| | | |
Collapse
|
32
|
Pereira TCB, Campos MM, Bogo MR. Copper toxicology, oxidative stress and inflammation using zebrafish as experimental model. J Appl Toxicol 2016; 36:876-85. [PMID: 26888422 DOI: 10.1002/jat.3303] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 12/17/2015] [Accepted: 01/12/2016] [Indexed: 12/26/2022]
Abstract
Copper is an essential micronutrient and a key catalytic cofactor in a wide range of enzymes. As a trace element, copper levels are tightly regulated and both its deficit and excess are deleterious to the organism. Under inflammatory conditions, serum copper levels are increased and trigger oxidative stress responses that activate inflammatory responses. Interestingly, copper dyshomeostasis, oxidative stress and inflammation are commonly present in several chronic diseases. Copper exposure can be easily modeled in zebrafish; a consolidated model in toxicology with increasing interest in immunity-related research. As a result of developmental, economical and genetic advantages, this freshwater teleost is uniquely suitable for chemical and genetic large-scale screenings, representing a powerful experimental tool for a whole-organism approach, mechanistic studies, disease modeling and beyond. Copper toxicological and more recently pro-inflammatory effects have been investigated in both larval and adult zebrafish with breakthrough findings. Here, we provide an overview of copper metabolism in health and disease and its effects on oxidative stress and inflammation responses in zebrafish models. Copper-induced inflammation is highlighted owing to its potential to easily mimic pro-oxidative and pro-inflammatory features that combined with zebrafish genetic tractability could help further in the understanding of copper metabolism, inflammatory responses and related diseases. Copyright © 2016 John Wiley & Sons, Ltd.
Collapse
Affiliation(s)
- Talita Carneiro Brandão Pereira
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, PUCRS, Porto Alegre, Brasil.,Laboratório de Biologia Genômica e Molecular, PUCRS, Porto Alegre, Brasil
| | - Maria Martha Campos
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, PUCRS, Porto Alegre, Brasil.,Instituto de Toxicologia e Farmacologia, PUCRS, Porto Alegre, Brasil.,Programa de Pós-Graduação em Odontologia, PUCRS, Porto Alegre, Brasil
| | - Maurício Reis Bogo
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, PUCRS, Porto Alegre, Brasil.,Laboratório de Biologia Genômica e Molecular, PUCRS, Porto Alegre, Brasil.,Instituto de Toxicologia e Farmacologia, PUCRS, Porto Alegre, Brasil.,Programa de Pós-Graduação em Biologia Celular e Molecular, PUCRS, Porto Alegre, Brasil
| |
Collapse
|
33
|
Chakraborty M, Chutia H, Changkakati R. Serum Copper as a Marker of Disease Activity in Rheumatoid Arthritis. J Clin Diagn Res 2016; 9:BC09-11. [PMID: 26816881 DOI: 10.7860/jcdr/2015/14851.7001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 09/22/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Copper is an important trace element for normal growth and development of the body. It is also essential for maturation of collagen tissues. The purpose of the study was to estimate the serum copper levels in rheumatoid arthritis patients and to see its association with the various parameters of disease activity. MATERIALS AND METHODS The study was carried out among 50 diagnosed rheumatoid arthritis patients (25 each of active disease & remission patients) and 50 age and sex matched controls. Fasting blood sample was collected for estimation of serum copper, haemoglobin level and ESR in the subjects. RESULTS Mean serum copper level in the case group was found to be significantly higher than that of the control group (p-value<0.001). This increase of copper level was more in active disease than those with remission (p-value < 0.0001). A significant positive correlation was found between serum copper level and ESR, serum copper level and morning stiffness and a negative correlation was found between serum copper level and haemoglobin level in rheumatoid arthritis patients. CONCLUSION In rheumatoid arthritis patients, serum copper level may be used as an additional biochemical marker for estimation of disease activity.
Collapse
Affiliation(s)
- Montosh Chakraborty
- Assistant Professor, Department of Biochemistry, Andaman Nicober Islands Institute of Medical Sciences , Portblair, Andaman Nicober, India
| | - Happy Chutia
- Assistant Professor, Department of Biochemistry, North Eastern Indira Gandhi Regional Insitiute of Health & Medical Sciences (NEIGRIHMS) , Shillong, Meghalaya, India
| | - Rita Changkakati
- Ex. Professor and Head, Department of Biochemistry, Assam Medical College & Hospital (AMCH) , Dibrugarh, Assam, India
| |
Collapse
|
34
|
Hennigar SR, McClung JP. Homeostatic regulation of trace mineral transport by ubiquitination of membrane transporters. Nutr Rev 2015; 74:59-67. [PMID: 26611242 DOI: 10.1093/nutrit/nuv060] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 07/12/2015] [Indexed: 02/03/2023] Open
Abstract
Post-translational modification is a critical mechanism by which trace mineral transporters rapidly adapt to their environment to homeostatically regulate ion transport. Recently, a novel pathway was described whereby iron stimulates the ubiquitination and proteasomal degradation of the trace mineral transporter ZIP14. Discovery of this pathway suggests the proteasome as a potential therapeutic target for regulation of iron storage. Moreover, these findings contribute to a theoretical framework that can be applied to other ubiquitinated trace mineral transporters. This review will detail the current state of knowledge regarding the ubiquitination of trace mineral transporters, focusing on iron and zinc transporters, and the potential utility of post-translational modification of trace mineral transporters in the treatment of disease.
Collapse
Affiliation(s)
- Stephen R Hennigar
- S.R. Hennigar and J.P. McClung are with the Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - James P McClung
- S.R. Hennigar and J.P. McClung are with the Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA.
| |
Collapse
|
35
|
Serum copper to zinc ratio: Relationship with aging and health status. Mech Ageing Dev 2015; 151:93-100. [DOI: 10.1016/j.mad.2015.01.004] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/13/2015] [Accepted: 01/27/2015] [Indexed: 12/14/2022]
|
36
|
Xin L, Yang X, Cai G, Fan D, Xia Q, Liu L, Hu Y, Ding N, Xu S, Wang L, Li X, Zou Y, Pan F. Serum Levels of Copper and Zinc in Patients with Rheumatoid Arthritis: a Meta-analysis. Biol Trace Elem Res 2015; 168:1-10. [PMID: 25869414 DOI: 10.1007/s12011-015-0325-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Accepted: 03/25/2015] [Indexed: 02/05/2023]
Abstract
Many publications with conflicting results have evaluated serum levels of copper (Cu) and zinc (Zn) in patients with rheumatoid arthritis (RA). To derive a more precise estimation of the relationship, a meta-analysis was conducted. Relevant published data were retrieved through PubMed, Chinese National Knowledge Infrastructure (CNKI), and Chinese Biomedical Database (CBM) before September 20, 2014. Weighted mean difference (WMD) with a 95 % confidence interval (95 % CI) was calculated using STATA 11.0. A total of 26 studies, including 1444 RA cases and 1241 healthy controls, were collected in this meta-analysis. Pooled analysis found that patients with RA had a higher serum level of Cu and a lower serum Zn level than the healthy controls (Cu (μg/dl), WMD = 31.824, 95 % CI = 20.334, 43.314; Zn (μg/dl), WMD = -12.683, 95 % CI = -19.783, -5.584). Subgroup analysis showed that ethnicity had influence on the serum level of Cu (μg/dl) (Caucasian, WMD = 43.907, 95 % CI = 35.090, 52.723, P < 0.001; Asian, WMD = 14.545, 95 % CI = -12.365, 41.455, P = 0.289) and Zn (μg/dl) (Caucasian, WMD = -11.038, 95 % CI = -23.420, 1.344, P = 0.081; Asian, WMD = -14.179, 95 % CI = -18.963, -9.394, P < 0.001) in RA and healthy controls. No evidence of publication bias was observed. This meta-analysis suggests that increased serum level of Cu and decreased serum level of Zn are generally present in RA patients.
Collapse
Affiliation(s)
- Lihong Xin
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Xiao Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Guoqi Cai
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Dazhi Fan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Qing Xia
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Li Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yanting Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Ning Ding
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Shengqian Xu
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Li Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Xiaona Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yanfeng Zou
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Faming Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.
| |
Collapse
|
37
|
Zinc disrupts central carbon metabolism and capsule biosynthesis in Streptococcus pyogenes. Sci Rep 2015; 5:10799. [PMID: 26028191 PMCID: PMC4450579 DOI: 10.1038/srep10799] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 04/30/2015] [Indexed: 11/08/2022] Open
Abstract
Neutrophils release free zinc to eliminate the phagocytosed bacterial pathogen Streptococcus pyogenes (Group A Streptococcus; GAS). In this study, we investigated the mechanisms underpinning zinc toxicity towards this human pathogen, responsible for diseases ranging from pharyngitis and impetigo, to severe invasive infections. Using the globally-disseminated M1T1 GAS strain, we demonstrate that zinc stress impairs glucose metabolism through the inhibition of the glycolytic enzymes phosphofructokinase and glyceraldehyde-3-phosphate dehydrogenase. In the presence of zinc, a metabolic shift to the tagatose-6-phosphate pathway allows conversion of D-galactose to dihydroxyacetone phosphate and glyceraldehyde phosphate, partially bypassing impaired glycolytic enzymes to generate pyruvate. Additionally, zinc inhibition of phosphoglucomutase results in decreased capsule biosynthesis. These data indicate that zinc exerts it toxicity via mechanisms that inhibit both GAS central carbon metabolism and virulence pathways.
Collapse
|
38
|
Lewis LA, Radulović ŽM, Kim TK, Porter LM, Mulenga A. Identification of 24h Ixodes scapularis immunogenic tick saliva proteins. Ticks Tick Borne Dis 2015; 6:424-34. [PMID: 25825233 PMCID: PMC4415496 DOI: 10.1016/j.ttbdis.2015.03.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 02/19/2015] [Accepted: 03/09/2015] [Indexed: 12/13/2022]
Abstract
Ixodes scapularis is arguably the most medically important tick species in the United States. This tick transmits 5 of the 14 human tick-borne disease (TBD) agents in the USA: Borrelia burgdorferi, Anaplasma phagocytophilum, B. miyamotoi, Babesia microti, and Powassan virus disease. Except for the Powassan virus disease, I. scapularis-vectored TBD agents require more than 24h post attachment to be transmitted. This study describes identification of 24h immunogenic I. scapularis tick saliva proteins, which could provide opportunities to develop strategies to stop tick feeding before transmission of the majority of pathogens. A 24h fed female I. scapularis phage display cDNA expression library was biopanned using rabbit antibodies to 24h fed I. scapularis female tick saliva proteins, subjected to next generation sequencing, de novo assembly, and bioinformatic analyses. A total of 182 contigs were assembled, of which ∼19% (35/182) are novel and did not show identity to any known proteins in GenBank. The remaining ∼81% (147/182) of contigs were provisionally identified based on matches in GenBank including ∼18% (27/147) that matched protein sequences previously annotated as hypothetical and putative tick saliva proteins. Others include proteases and protease inhibitors (∼3%, 5/147), transporters and/or ligand binding proteins (∼6%, 9/147), immunogenic tick saliva housekeeping enzyme-like (17%, 25/147), ribosomal protein-like (∼31%, 46/147), and those classified as miscellaneous (∼24%, 35/147). Notable among the miscellaneous class include antimicrobial peptides (microplusin and ricinusin), myosin-like proteins that have been previously found in tick saliva, and heat shock tick saliva protein. Data in this study provides the foundation for in-depth analysis of I. scapularis feeding during the first 24h, before the majority of TBD agents can be transmitted.
Collapse
Affiliation(s)
- Lauren A Lewis
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843, United States
| | - Željko M Radulović
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843, United States
| | - Tae K Kim
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843, United States
| | - Lindsay M Porter
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843, United States
| | - Albert Mulenga
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843, United States.
| |
Collapse
|
39
|
Pompilio A, Ciavardelli D, Crocetta V, Consalvo A, Zappacosta R, Di Ilio C, Di Bonaventura G. Stenotrophomonas maltophilia virulence and specific variations in trace elements during acute lung infection: implications in cystic fibrosis. PLoS One 2014; 9:e88769. [PMID: 24586389 PMCID: PMC3938418 DOI: 10.1371/journal.pone.0088769] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 01/15/2014] [Indexed: 01/04/2023] Open
Abstract
Metal ions are necessary for the proper functioning of the immune system, and, therefore, they might have a significant influence on the interaction between bacteria and host. Ionic dyshomeostasis has been recently observed also in cystic fibrosis (CF) patients, whose respiratory tract is frequently colonized by Stenotrophomonas maltophilia. For the first time, here we used an inductively mass spectrometry method to perform a spatial and temporal analysis of the pattern of changes in a broad range of major trace elements in response to pulmonary infection by S. maltophilia. To this, DBA/2 mouse lungs were comparatively infected by a CF strain and by an environmental one. Our results showed that pulmonary ionomic profile was significantly affected during infection. Infected mice showed increased lung levels of Mg, P, S, K, Zn, Se, and Rb. To the contrary, Mn, Fe, Co, and Cu levels resulted significantly decreased. Changes of element concentrations were correlated with pulmonary bacterial load and markers of inflammation, and occurred mostly on day 3 post-exposure, when severity of infection culminated. Interestingly, CF strain – significantly more virulent than the environmental one in our murine model - provoked a more significant impact in perturbing pulmonary metal homeostasis. Particularly, exposure to CF strain exclusively increased P and K levels, while decreased Fe and Mn ones. Overall, our data clearly indicate that S. maltophilia modulates pulmonary metal balance in a concerted and virulence-dependent manner highlighting the potential role of the element dyshomeostasis during the progression of S. maltophilia infection, probably exacerbating the harmful effects of the loss of CF transmembrane conductance regulator function. Further investigations are required to understand the biological significance of these alterations and to confirm they are specifically caused by S. maltophilia.
Collapse
Affiliation(s)
- Arianna Pompilio
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
- Department of Experimental and Clinical Sciences, School of Medicine, “G. d'Annunzio” University, Chieti, Italy
| | - Domenico Ciavardelli
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
- School of Engineering, Architecture and Motor Science, “Kore” University, Enna, Italy
| | - Valentina Crocetta
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
- Department of Experimental and Clinical Sciences, School of Medicine, “G. d'Annunzio” University, Chieti, Italy
| | - Ada Consalvo
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
| | - Roberta Zappacosta
- Department of Experimental and Clinical Sciences, School of Medicine, “G. d'Annunzio” University, Chieti, Italy
| | - Carmine Di Ilio
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
- Department of Experimental and Clinical Sciences, School of Medicine, “G. d'Annunzio” University, Chieti, Italy
| | - Giovanni Di Bonaventura
- Clinical Microbiology Unit, Center of Excellence on Aging, “G. d'Annunzio” University Foundation, Chieti, Italy
- Department of Experimental and Clinical Sciences, School of Medicine, “G. d'Annunzio” University, Chieti, Italy
- * E-mail:
| |
Collapse
|
40
|
Ong CLY, Gillen CM, Barnett TC, Walker MJ, McEwan AG. An antimicrobial role for zinc in innate immune defense against group A streptococcus. J Infect Dis 2014; 209:1500-8. [PMID: 24449444 DOI: 10.1093/infdis/jiu053] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Zinc plays an important role in human immunity, and it is known that zinc deficiency in the host is linked to increased susceptibility to bacterial infection. In this study, we investigate the role of zinc efflux in the pathogenesis of Streptococcus pyogenes (group A Streptococcus [GAS]), a human pathogen responsible for superficial infections, such as pharyngitis and impetigo, and severe invasive infections. METHODS The clinically important M1T1 wild-type strain was used in this study, and isogenic mutants were constructed with deletions in the czcD gene (Spy0653; which encodes a putative zinc efflux pump) and adjacent gczA gene (Spy0654; which encodes a putative zinc-dependent activator of czcD). Wild-type, isogenic mutants and complemented strains were tested for resistance against zinc stress, intracellular zinc accumulation, and virulence. RESULTS Both czcD and gczA mutants exhibited increased sensitivity to zinc. Transcriptional analyses indicate that GczA upregulates czcD in response to zinc. Both mutants displayed increased susceptibility to human neutrophil killing and reduced virulence in a murine infection model. Furthermore, we showed that neutrophils mobilize zinc in response to GAS. CONCLUSIONS These data indicate that the innate immune system may use zinc as an antimicrobial agent and that zinc efflux is an important contributor to GAS pathogenesis.
Collapse
|
41
|
Shafeeq S, Kuipers OP, Kloosterman TG. The role of zinc in the interplay between pathogenic streptococci and their hosts. Mol Microbiol 2013; 88:1047-57. [DOI: 10.1111/mmi.12256] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2013] [Indexed: 12/26/2022]
Affiliation(s)
- Sulman Shafeeq
- Department of Molecular Genetics; Groningen Biomolecular Sciences and Biotechnology Institute; University of Groningen; Nijenborgh 7; 9747 AG; Groningen; the Netherlands
| | - Oscar P. Kuipers
- Department of Molecular Genetics; Groningen Biomolecular Sciences and Biotechnology Institute; University of Groningen; Nijenborgh 7; 9747 AG; Groningen; the Netherlands
| | - Tomas G. Kloosterman
- Department of Molecular Genetics; Groningen Biomolecular Sciences and Biotechnology Institute; University of Groningen; Nijenborgh 7; 9747 AG; Groningen; the Netherlands
| |
Collapse
|
42
|
Abstract
Co-Cultures of porcine articular cartilage and synovium or synovial conditioned medium were used as an in vitro model to mimic inflammatory events at the cartilage/synovial junction in degenerative joint disease. This model provides a useful tool to assess the anti-inflammatory and antiarthritic properties of pharmacological agents. In this study the effects of copper and zinc on (i) PG synthesis by cartilage and (ii) synovial-induced PG depletion have been investigated. Copper sulphate at a concentration of 0.01 mM did not stimulate PG synthesis significantly in cultured cartilage explants but completely abrogated the inhibitory effects of synovial tissue in co-culture experiments. This finding was supported by the histological demonstration of copper-dependent reversal of the PG depletion in cartilage exposed to synovial conditioned medium. Zinc sulphate at 0.01 mM had no effect on PG synthesis and was unable to protect cartilage against synovialinduced PG depletion. These results reveal possible mechanisms by which copper exerts its anti-inflammatory and anti-arthritic actions.
Collapse
|
43
|
|
44
|
Abstract
The trace element copper is indispensable for all aerobic life forms. Its ability to cycle between two oxidation states, Cu(1+) and Cu(2+), has been harnessed by a wide array of metalloenzymes that catalyze electron transfer reactions. The metabolic needs for copper are sustained by a complex series of transporters and carrier proteins that regulate its intracellular accumulation and distribution in both pathogenic microbes and their animal hosts. However, copper is also potentially toxic due in part to its ability to generate reactive oxygen species. Recent studies suggest that the macrophage phagosome accumulates copper during bacterial infection, which may constitute an important mechanism of killing. Bacterial countermeasures include the up-regulation of copper export and detoxification genes during infection, which studies suggest are important determinants of virulence. In this minireview, we summarize recent developments that suggest an emerging role for copper as an unexpected component in determining the outcome of host-pathogen interactions.
Collapse
Affiliation(s)
- Victoria Hodgkinson
- Department of Biochemistry, University of Missouri, Columbia, Missouri 65211, USA
| | | |
Collapse
|
45
|
Karakonstantakis T, Papassotiriou I, Sergounioti A, Moraitis P, Theodoridou K, Afordakou D, Giannaki M, Theodoridou M. Evaluation of zinc and selenium alterations in children with acute infections: Correlation with markers of inflammation. Interv Med Appl Sci 2012. [DOI: 10.1556/imas.4.2012.1.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Abstract
Objectives: To investigate and assess selenium (Se) and zinc (Zn) serum alterations in children with acute infections. Material and Methods: We determined Se, Zn, C-reactive protein (CRP), serum amyloid A (SAA), and procalcitonin (PCT) in 80 children hospitalized with acute infections. The patients were divided in two groups: Bacterial infections: 40 children (mean age 4.8 years); viral infections: 40 children (mean age 5.7 years). Morning blood samples were collected from each patient in three different periods: (a) in the acute phase (admission), (b) during the inflammatory process (4th day of hospitalization), and (c) after recovery (28–33 days after the first sampling). Results: We found that patients with bacterial infections had significantly lower levels of Se (48.9±16.4 mg/L vs. 58.1±13.7 mg/L, p=0.014) and Zn (69.3±19.4 mg/dL vs. 79.9±13.1 mg/dL, p=0.008) than those with viral infections on admission. Zn and Se levels were significantly increased after remission and the 4th day of hospitalization in patients with bacterial infections. Se and Zn were inversely related with the inflammatory markers CRP (r=−0.480, p=0.002 and r=−0.380, p=0.02, respectively), and PCT (r=−0.670, p < 0.001 and r=−0.510, p<0.01, respectively), in the same patients group on admission. We also found a positive correlation between the two micronutrients (r = 0.400, p<0.01) in children with bacterial infections on admission. Conclusions: Zn and Se behave as negative acute phase reactants and their levels were inversely associated with the progress of infection in patients with bacterial infections. The changes of micronutrients (Se, Zn) during the inflammatory process are transient and resolve without any dietary intervention.
Collapse
Affiliation(s)
| | - Ioannis Papassotiriou
- 1 Department of Clinical Biochemistry, “Aghia Sophia” Children's Hospital, Athens, 11527, Greece
| | - Athanassia Sergounioti
- 1 Department of Clinical Biochemistry, “Aghia Sophia” Children's Hospital, Athens, 11527, Greece
| | - Panayiotis Moraitis
- 2 First Department of Pediatrics, Athens University Medical School, Athens, Greece
| | - Kalliopi Theodoridou
- 1 Department of Clinical Biochemistry, “Aghia Sophia” Children's Hospital, Athens, 11527, Greece
| | - Despoina Afordakou
- 1 Department of Clinical Biochemistry, “Aghia Sophia” Children's Hospital, Athens, 11527, Greece
| | - Maria Giannaki
- 3 Department of Microbiology, “Aghia Sophia” Children's Hospital, Athens, Greece
| | - Maria Theodoridou
- 2 First Department of Pediatrics, Athens University Medical School, Athens, Greece
| |
Collapse
|
46
|
Wolkmer P, da Silva CB, Schmidt C, Mesko M, Traesel CK, da Silva AS, Cecco BS, Flores ÉMM, Monteiro SG, Mazzanti CM, dos Anjos Lopes ST. Trypanosoma evansi infection on levels of copper, iron, and zinc in the plasma of rats. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/s00580-011-1397-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
47
|
Duncan A, Talwar D, McMillan DC, Stefanowicz F, O'Reilly DSJ. Quantitative data on the magnitude of the systemic inflammatory response and its effect on micronutrient status based on plasma measurements. Am J Clin Nutr 2012; 95:64-71. [PMID: 22158726 DOI: 10.3945/ajcn.111.023812] [Citation(s) in RCA: 216] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Plasma concentrations of several trace elements and vitamins decrease because of the systemic inflammatory response. Thus, low values do not necessarily indicate deficiency. OBJECTIVE The magnitude of this effect on plasma micronutrient concentrations was investigated to provide guidance on the interpretation of routine clinical results. DESIGN Between 2001 and 2011, the results (2217 blood samples from 1303 patients) of routine micronutrient screens (plasma zinc, copper, selenium, and vitamins A, B-6, C, and E) and all vitamin D results (4327 blood samples from 3677 patients) were extracted from the laboratory database. C-reactive protein concentrations were measured as a marker of the severity of inflammation and categorized into 6 groups; for each group, plasma micronutrient concentrations and percentage changes were calculated. RESULTS Except for copper and vitamin E, all plasma micronutrient concentrations decreased with increasing severities of the acute inflammatory response. For selenium and vitamins B-6 and C, this occurred with only slightly increased C-reactive protein concentrations of 5 to 10 mg/L. For each micronutrient, the change in plasma concentrations varied markedly from patient to patient. The magnitude of the effect was greatest for selenium and vitamins A, B-6, C, and D, for which the median plasma concentrations decreased by >40%. CONCLUSIONS The clinical interpretation of plasma micronutrients can be made only with knowledge of the degree of inflammatory response. A reliable clinical interpretation can be made only if the C-reactive protein is <20 mg/L (plasma zinc), <10 mg/L (plasma selenium and vitamins A and D), or <5 mg/L (vitamins B-6 and C).
Collapse
Affiliation(s)
- Andrew Duncan
- Scottish Trace Elements and Micronutrient Reference Laboratory, Department of Clinical Biochemistry, Faculty of Medicine, University of Glasgow, Royal Infirmary, United Kingdom.
| | | | | | | | | |
Collapse
|
48
|
Impact of manganese, copper and zinc ions on the transcriptome of the nosocomial pathogen Enterococcus faecalis V583. PLoS One 2011; 6:e26519. [PMID: 22053193 PMCID: PMC3203883 DOI: 10.1371/journal.pone.0026519] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Accepted: 09/28/2011] [Indexed: 11/19/2022] Open
Abstract
Mechanisms that enable Enterococcus to cope with different environmental stresses and their contribution to the switch from commensalism to pathogenicity of this organism are still poorly understood. Maintenance of intracellular homeostasis of metal ions is crucial for survival of these bacteria. In particular Zn(2+), Mn(2+) and Cu(2+) are very important metal ions as they are co-factors of many enzymes, are involved in oxidative stress defense and have a role in the immune system of the host. Their concentrations inside the human body vary hugely, which makes it imperative for Enterococcus to fine-tune metal ion homeostasis in order to survive inside the host and colonize it. Little is known about metal regulation in Enterococcus faecalis. Here we present the first genome-wide description of gene expression of E. faecalis V583 growing in the presence of high concentrations of zinc, manganese or copper ions. The DNA microarray experiments revealed that mostly transporters are involved in the responses of E. faecalis to prolonged exposure to high metal concentrations although genes involved in cellular processes, in energy and amino acid metabolisms and genes related to the cell envelope also seem to play important roles.
Collapse
|
49
|
Gromadzka G, Członkowska A. Influence of IL-1RN intron 2 variable number of tandem repeats (VNTR) polymorphism on the age at onset of neuropsychiatric symptoms in Wilson's disease. Int J Neurosci 2010; 121:8-15. [PMID: 20942594 DOI: 10.3109/00207454.2010.523131] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
ABSTRACT Wilson's disease (WND) is an autosomal recessive copper storage disease characterized with diverse clinical pictures with the hepatic and/or neuropsychiatric symptoms manifesting at variable age. On the basis of the existing knowledge on possible copper-proinflammatory cytokines interactions, we hypothesized that in WND hereditary, over-/underexpression of PC or anti-inflammatory cytokines may have an impact on the course of the disease. We analyzed the clinical manifestations of WND in relationship to polymorphisms within genes for interleukin-1 receptor antagonist (IL1RN intron 2 VNTR polymorphism), interleukin-1α (IL1A G4845T), IL-1β (IL1B C-511T), IL-6 (IL6 G-174C), and tumor necrosis factor (TNF G-308A) in a total sample of 332 patients. The IL1B C-511T and IL1RN VNTR polymorphisms had an impact on copper metabolism parameters. None of the studied gene polymorphisms had effect on the mode of WND manifestation (neuropsychiatric vs. hepatic). Carriership of the IL1RN *2 allele was related to earlier WND onset, especially among patients with neuropsychiatric form of the disease (median 27.5 vs. 32.0 years, p = .003). Because of the crucial modulatory role of IL1ra on IL-1α and IL-1β proinflammatory functions, IL1ra and its interactions may play a role in the pathogenesis of the neurodegenerative process in WND; our results need to be replicated, possibly in different ethnic groups.
Collapse
Affiliation(s)
- Grazyna Gromadzka
- Institute of Psychiatry and Neurology, Second Department of Neurology, Warsaw, Poland
| | | |
Collapse
|
50
|
Structural characterization and biological implications of di-zinc binding in the ferroxidase center of Streptococcus pyogenes Dpr. Biochem Biophys Res Commun 2010; 398:361-5. [DOI: 10.1016/j.bbrc.2010.06.071] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2010] [Accepted: 06/16/2010] [Indexed: 11/17/2022]
|