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Treeful AE, Searle KM, Carroll DM, Yost KJ, Hedger AL, Friedenberg SG. A case-control survey study of environmental risk factors for primary hypoadrenocorticism in dogs. J Vet Intern Med 2023; 37:2073-2083. [PMID: 37830238 PMCID: PMC10658521 DOI: 10.1111/jvim.16896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND Primary hypoadrenocorticism in dogs is thought to be multifactorial with roles for both genetic and environmental factors. The contributions of environmental factors remain unexplored. OBJECTIVE Identify environmental and lifestyle exposures associated with primary hypoadrenocorticism in 2 dog breeds with high risk of developing the disease. ANIMALS Animals were not used in this study. Owners of Standard Poodles (STPDs) and Portuguese water dogs (POWDs) participated in a survey. METHODS Retrospective case-control study. Dog owners were invited to participate in an online survey through convenience sampling. Questions regarded the demographics, health histories, and indoor/outdoor environments in which their dogs live and play. Responses for dogs with primary hypoadrenocorticism were compared to those without the disease using univariate and multivariate logistic regression models. RESULTS Five thousand forty-seven responses (358 cases, 4689 controls) met initial inclusion criteria. Significant associations with modest effect size were found for community type, ingestion of canned food, and use of lawn fertilizer in some analysis models. Reproductive (spay/neuter) status exhibited the strongest association with high effect size across all models with adjusted odds ratio (OR) 2.5 (95% confidence interval [CI], 1.4-4.5; P = .003) for spayed females and 6.0 (95% CI, 2.6-13.9; P < .001) for neutered males. CONCLUSIONS AND CLINICAL IMPORTANCE The large effect size for reproductive status reflects its high potential clinical relevance, whereas modest effect sizes for other environmental variables suggest lower potential clinical relevance. These findings are associations and do not necessarily imply causation. Before any actionable recommendations are warranted, additional evidence regarding biological mechanisms is needed.
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Affiliation(s)
- Amy E. Treeful
- Department of Veterinary Population Medicine, College of Veterinary MedicineUniversity of MinnesotaSt. Paul, Minnesota 55108USA
- Department of Veterinary Clinical Sciences, College of Veterinary MedicineUniversity of MinnesotaSt. Paul, Minnesota 55108USA
| | - Kelly M. Searle
- Division of Epidemiology and Community Health, School of Public HealthUniversity of MinnesotaMinneapolis, Minnesota 55455USA
| | - Dana M. Carroll
- Division of Environmental Health Sciences, School of Public HealthUniversity of MinnesotaMinneapolis, Minnesota 55455USA
| | - Kathleen J. Yost
- Department of Quantitative Health SciencesMayo ClinicRochesterMinnesotaUSA
| | - Anna L. Hedger
- Department of Veterinary Clinical Sciences, College of Veterinary MedicineUniversity of MinnesotaSt. Paul, Minnesota 55108USA
| | - Steven G. Friedenberg
- Department of Veterinary Clinical Sciences, College of Veterinary MedicineUniversity of MinnesotaSt. Paul, Minnesota 55108USA
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Uwazie CC, Pirlot BM, Faircloth TU, Patel M, Parr RN, Zastre HM, Hematti P, Moll G, Rajan D, Chinnadurai R. Effects of Atrazine exposure on human bone marrow-derived mesenchymal stromal cells assessed by combinatorial assay matrix. Front Immunol 2023; 14:1214098. [PMID: 37588595 PMCID: PMC10426140 DOI: 10.3389/fimmu.2023.1214098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/03/2023] [Indexed: 08/18/2023] Open
Abstract
Introduction Mesenchymal Stromal/Stem cells (MSCs) are an essential component of the regenerative and immunoregulatory stem cell compartment of the human body and thus of major importance in human physiology. The MSCs elicit their beneficial properties through a multitude of complementary mechanisms, which makes it challenging to assess their phenotype and function in environmental toxicity screening. We here employed the novel combinatorial assays matrix approach/technology to profile the MSC response to the herbicide Atrazine, which is a common environmental xenobiotic, that is in widespread agricultural use in the US and other countries, but banned in the EU. Our here presented approach is representative for screening the impact of environmental xenobiotics and toxins on MSCs as an essential representative component of human physiology and well-being. Methods We here employed the combinatorial assay matrix approach, including a panel of well standardized assays, such as flow cytometry, multiplex secretome analysis, and metabolic assays, to define the phenotype and functionality of human-donor-derived primary MSCs exposed to the representative xenobiotic Atrazine. This assay matrix approach is now also endorsed for characterization of cell therapies by leading regulatory agencies, such as FDA and EMA. Results Our results show that the exposure to Atrazine modulates the metabolic activity, size, and granularity of MSCs in a dose and time dependent manner. Intriguingly, Atrazine exposure leads to a broad modulation of the MSCs secretome (both upregulation and downmodulation of certain factors) with the identification of Interleukin-8 as the topmost upregulated representative secretory molecule. Interestingly, Atrazine attenuates IFNγ-induced upregulation of MHC-class-II, but not MHC-class-I, and early phosphorylation signals on MSCs. Furthermore, Atrazine exposure attenuates IFNγ responsive secretome of MSCs. Mechanistic knockdown analysis identified that the Atrazine-induced effector molecule Interleukin-8 affects only certain but not all the related angiogenic secretome of MSCs. Discussion The here described Combinatorial Assay Matrix Technology identified that Atrazine affects both the innate/resting and cytokine-induced/stimulated assay matrix functionality of human MSCs, as identified through the modulation of selective, but not all effector molecules, thus vouching for the great usefulness of this approach to study the impact of xenobiotics on this important human cellular subset involved in the regenerative healing responses in humans.
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Affiliation(s)
- Crystal C. Uwazie
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Bonnie M. Pirlot
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Tyler U. Faircloth
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Mihir Patel
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Rhett N. Parr
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Halie M. Zastre
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Peiman Hematti
- Department of Medicine, University of Wisconsin Madison, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Guido Moll
- BIH Center for Regenerative Therapies (BCRT) and Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Devi Rajan
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
| | - Raghavan Chinnadurai
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, GA, United States
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Dvořáková M, Svobodová L, Rucki M, Ševčík V, Hošíková B, Chrz J, Bendová H, Kejlová K, Očadlíková D, Malý M, Kolářová H, Mannerström M, Kanďárová H, Jírová D. The Safety Assessment of Cosmetic Perfumes by Using In Chemico and In Vitro Methods in Combination with GC-MS/MS Analysis. Altern Lab Anim 2023; 51:224-248. [PMID: 37377062 DOI: 10.1177/02611929231184635] [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] [Indexed: 06/29/2023]
Abstract
Animal testing has been prohibited for the safety assessment of cosmetic ingredients or finished products. Thus, alternative non-animal methods, followed by confirmatory clinical studies on human volunteers, should be used as the sole legally acceptable approach within the EU. The safety assessment of cosmetic products requires the involvement of multiple scientific disciplines, including analytical chemistry and biomedicine, as well as in chemico, in vitro and in silico toxicology. Recent data suggest that fragrance components may exert multiple adverse biological effects, e.g. cytotoxicity, skin sensitisation, (photo)genotoxicity, mutagenicity, reprotoxicity and endocrine disruption. Therefore, a pilot study was conducted with selected samples of fragrance-based products, such as deodorant, eau de toilette and eau de parfum, with the aim of integrating results from a number of alternative non-animal methods suitable for the detection of the following toxicological endpoints: cytotoxicity (with 3T3 Balb/c fibroblasts); skin sensitisation potential (in chemico method, DPRA); skin sensitisation potential (LuSens in vitro method, based on human keratinocytes); genotoxicity potential (in vitro Comet assay with 3T3 Balb/c cells); and endocrine disruption (in vitro YES/YAS assay). The presence of twenty-four specific known allergens in the products was determined by using GC-MS/MS. The strategies for estimation of the NOAEL of a mixture of allergens, which were proposed by the Scientific Committee on Consumer Products in their 'Opinion on Tea tree oil' document and by the Norwegian Food Safety Authority in their 'Risk Profile of Tea tree oil' report, were used as models for the NOAEL estimation of the mixtures of allergens that were identified in the individual samples tested in this study.
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Affiliation(s)
- Markéta Dvořáková
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
- Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Lada Svobodová
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic
| | - Marian Rucki
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
| | - Václav Ševčík
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
- Department of Analytical Chemistry, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Barbora Hošíková
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic
| | - Jan Chrz
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic
| | - Hana Bendová
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
| | - Kristina Kejlová
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
| | - Danuše Očadlíková
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
| | - Marek Malý
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
| | - Hana Kolářová
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic
| | - Marika Mannerström
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Helena Kanďárová
- Institute of Biochemistry and Microbiology, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava, Slovakia
| | - Dagmar Jírová
- Centre of Toxicology and Health Safety, National Institute of Public Health, Prague, Czech Republic
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Balasubramanian S, Duraikannan V, Perumal E. Toxicogenomic analysis of physiologically important metals: An integrated in silico approach. Food Chem Toxicol 2023:113895. [PMID: 37328090 DOI: 10.1016/j.fct.2023.113895] [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: 04/16/2023] [Revised: 05/30/2023] [Accepted: 06/10/2023] [Indexed: 06/18/2023]
Abstract
Biologically important metals regulate cellular homeostasis in living systems. Anthropogenic exposure to these metals can cause adverse effects, including an increased incidence of diseases in humans such as cancer, lung, and cardiovascular defects. However, the effects of metals and the common genes/signaling pathways involved in metal toxicity have not been elucidated. Hence, the present study used toxicogenomic data mining with the comparative toxicogenomics database to explore the impact of these metals. The metals were categorized into transition, alkali, and alkali earth. The common genes were identified and subjected to functional enrichment analysis. Further, gene-gene and protein-protein interactions were assessed. Also, the top ten transcription factors and miRNAs that regulate the genes were identified. The phenotypes and diseases that have increased incidence upon alterations of these genes were detected. Overall, we were able to identify IL1B and SOD2 as the common genes, along with the AGE-RAGE signaling pathway in diabetic complications as the common pathway altered. Enriched genes and pathways specific to each metal category were also found. Further, we identified heart failure as the major diseases that have increased the incidence of these metals' exposure. In conclusion, exposure to essential metals might cause adverse effects via inflammation and oxidative stress.
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Affiliation(s)
| | - Vaishnavi Duraikannan
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641 046, India
| | - Ekambaram Perumal
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641 046, India.
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Ayala-Ramirez M, MacNell N, McNamee LE, McGrath JA, Akhtari FS, Curry MD, Dunnon AK, Fessler MB, Garantziotis S, Parks CG, Fargo DC, Schmitt CP, Motsinger-Reif AA, Hall JE, Miller FW, Schurman SH. Association of distance to swine concentrated animal feeding operations with immune-mediated diseases: An exploratory gene-environment study. ENVIRONMENT INTERNATIONAL 2023; 171:107687. [PMID: 36527873 PMCID: PMC10962257 DOI: 10.1016/j.envint.2022.107687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 12/03/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Concentrated animal feeding operations (CAFOs) are a source of environmental pollution and have been associated with a variety of health outcomes. Immune-mediated diseases (IMD) are characterized by dysregulation of the normal immune response and, while they may be affected by gene and environmental factors, their association with living in proximity to a CAFO is unknown. OBJECTIVES We explored gene, environment, and gene-environment (GxE) relationships between IMD, CAFOs, and single nucleotide polymorphisms (SNPs) of prototypical xenobiotic response genes AHR, ARNT, and AHRR and prototypical immune response gene PTPN22. METHODS The exposure analysis cohort consisted of 6,464 participants who completed the Personalized Environment and Genes Study Health and Exposure Survey and a subset of 1,541 participants who were genotyped. We assessed the association between participants' residential proximity to a CAFO in gene, environment, and GxE models. We recombined individual associations in a transethnic model using METAL meta-analysis. RESULTS In White participants, ARNT SNP rs11204735 was associated with autoimmune diseases and rheumatoid arthritis (RA), and ARNT SNP rs1889740 was associated with RA. In a transethnic genetic analysis, ARNT SNPs rs11204735 and rs1889740 and PTPN22 SNP rs2476601 were associated with autoimmune diseases and RA. In participants living closer than one mile to a CAFO, the log-distance to a CAFO was associated with autoimmune diseases and RA. In a GxE interaction model, White participants with ARNT SNPs rs11204735 and rs1889740 living closer than eight miles to a CAFO had increased odds of RA and autoimmune diseases, respectively. The transethnic model revealed similar GxE interactions. CONCLUSIONS Our results suggest increased risk of autoimmune diseases and RA in those living in proximity to a CAFO and a potential role of the AHR-ARNT pathway in conferring risk. We also report the first association of ARNT SNPs rs11204735 and rs1889740 with RA. Our findings, if confirmed, could allow for novel genetically-targeted or other preventive approaches for certain IMD.
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Affiliation(s)
- Montserrat Ayala-Ramirez
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - Nathaniel MacNell
- Social and Scientific Systems, 505 Emperor Blvd Suite 400, Durham, NC 27703, USA.
| | - Lucy E McNamee
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - John A McGrath
- Social and Scientific Systems, 505 Emperor Blvd Suite 400, Durham, NC 27703, USA.
| | - Farida S Akhtari
- Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - Matthew D Curry
- Social and Scientific Systems, 505 Emperor Blvd Suite 400, Durham, NC 27703, USA.
| | - Askia K Dunnon
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - Michael B Fessler
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, Mail Drop D2-01, Durham, NC 27709, USA.
| | - Stavros Garantziotis
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, BG 109 RM 109 MSC CU-01, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, Mail Drop A3-05, Durham, NC 27709, USA.
| | - David C Fargo
- Office of Scientific Computing, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, Mail Drop B3-01, Durham, NC 27709, USA.
| | - Charles P Schmitt
- Office of Data Science, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, Mail Drop K2-02, Durham, NC 27709, USA.
| | - Alison A Motsinger-Reif
- PEGS Co-PI, Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, RTP 101, Research Triangle Park, NC 27709, USA.
| | - Janet E Hall
- PEGS Co-PI, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, BG 101 RM A222 MSC A2-03. 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
| | - Frederick W Miller
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, RTP 101 David P. Rall Building, Research Triangle Park, NC 27709, USA.
| | - Shepherd H Schurman
- Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709, USA.
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Orysiak J, Młynarczyk M, Piec R, Jakubiak A. Lifestyle and environmental factors may induce airway and systemic inflammation in firefighters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:73741-73768. [PMID: 36094704 PMCID: PMC9465149 DOI: 10.1007/s11356-022-22479-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/07/2022] [Indexed: 06/15/2023]
Abstract
Health status depends on multiple genetic and non-genetic factors. Nonheritable factors (such as lifestyle and environmental factors) have stronger impact on immune responses than genetic factors. Firefighters work is associated with exposure to air pollution and heat stress, as well as: extreme physical effort, mental stress, or a changed circadian rhythm, among others. All these factors can contribute to both, short-term and long-term impairment of the physical and mental health of firefighters. Increased levels of some inflammatory markers, such as pro-inflammatory cytokines or C-reactive protein (CRP) have been observed in firefighters, which can lead to local, acute inflammation that promotes a systemic inflammatory response. It is worth emphasizing that inflammation is one of the main hallmarks of cancer and also plays a key role in the development of cardiovascular and respiratory diseases. This article presents possible causes of the development of an inflammatory reaction in firefighters, with particular emphasis on airway inflammation caused by smoke exposure.
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Affiliation(s)
- Joanna Orysiak
- Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701, Warsaw, Poland.
| | - Magdalena Młynarczyk
- Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701, Warsaw, Poland
| | - Robert Piec
- Institute of Internal Security, The Main School of Fire Service, Słowackiego St. 52/54, 01-629, Warsaw, Poland
| | - Agnieszka Jakubiak
- Department of Heart Failure and Cardiac Rehabilitation, Medical University of Warsaw, Żwirki and Wigury St. 61, 02-091, Warsaw, Poland
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Schilz JR, Dashner-Titus EJ, Simmons KA, Erdei E, Bolt AM, MacKenzie DA, Hudson LG. The immunotoxicity of natural and depleted uranium: From cells to people. Toxicol Appl Pharmacol 2022; 454:116252. [PMID: 36152676 PMCID: PMC10044422 DOI: 10.1016/j.taap.2022.116252] [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: 06/13/2022] [Revised: 08/30/2022] [Accepted: 09/16/2022] [Indexed: 10/31/2022]
Abstract
Uranium is a naturally occurring element found in the environment as a mixture of isotopes with differing radioactive properties. Enrichment of mined material results in depleted uranium waste with substantially reduced radioactivity but retains the capacity for chemical toxicity. Uranium mine and milling waste are dispersed by wind and rain leading to environmental exposures through soil, air, and water contamination. Uranium exposure is associated with numerous adverse health outcomes in humans, yet there is limited understanding of the effects of depleted uranium on the immune system. The purpose of this review is to summarize findings on uranium immunotoxicity obtained from cell, rodent and human population studies. We also highlight how each model contributes to an understanding of mechanisms that lead to immunotoxicity and limitations inherent within each system. Information from population, animal, and laboratory studies will be needed to significantly expand our knowledge of the contributions of depleted uranium to immune dysregulation, which may then inform prevention or intervention measures for exposed communities.
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Affiliation(s)
- Jodi R Schilz
- Division of Physical Therapy, School of Medicine, University of New Mexico, Albuquerque, NM, United States of America.
| | - Erica J Dashner-Titus
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Karen A Simmons
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Esther Erdei
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Alicia M Bolt
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Debra A MacKenzie
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Laurie G Hudson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
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Immunomodulation, Toxicity, and Therapeutic Potential of Nanoparticles. BIOTECH 2022; 11:biotech11030042. [PMID: 36134916 PMCID: PMC9497228 DOI: 10.3390/biotech11030042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/24/2022] [Accepted: 09/06/2022] [Indexed: 11/24/2022] Open
Abstract
Altered immune responses associated with human disease conditions, such as inflammatory and infectious diseases, cancers, and autoimmune diseases, are among the primary causes of morbidity across the world. A wealth of studies has demonstrated the efficiency of nanoparticles (NPs)-based immunotherapy strategies in different laboratory model systems. Nanoscale dimensions (<100 nm) enable NPs to have increased surface area to volume ratio, surface charge, and reactivity. Physicochemical properties along with the shapes, sizes, and elasticity influence the immunomodulatory response induced by NPs. In recent years, NPs-based immunotherapy strategies have attained significant focus in the context of cancers and autoimmune diseases. This rapidly growing field of nanomedicine has already introduced ~50 nanotherapeutics in clinical practices. Parallel to wide industrial applications of NPs, studies have raised concerns about their potential threat to the environment and human health. In past decades, a wealth of in vivo and in vitro studies has demonstrated the immunotoxicity potential of various NPs. Given that the number of engineered/designed NPs in biomedical applications is continuing to increase, it is pertinent to establish the toxicity profile for their safe and intelligent use in biomedical applications. The review is intended to summarize the NPs-induced immunomodulation pertaining to toxicity and therapeutic development in human health.
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9
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Dinse GE, Co CA, Parks CG, Weinberg CR, Xie G, Chan EKL, Birnbaum LS, Miller FW. Expanded assessment of xenobiotic associations with antinuclear antibodies in the United States, 1988-2012. ENVIRONMENT INTERNATIONAL 2022; 166:107376. [PMID: 35785669 PMCID: PMC9792625 DOI: 10.1016/j.envint.2022.107376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 06/02/2022] [Accepted: 06/22/2022] [Indexed: 05/11/2023]
Abstract
BACKGROUND The prevalence of autoimmunity in the U.S. has increased recently for undetermined reasons. Little is known about associations between autoimmunity and environmental causes. OBJECTIVES In a large representative sample of the U.S. population, we expanded our prior exploratory study of how exposures to selected xenobiotics and dioxin-like (DL) mixtures relate to antinuclear antibodies (ANA), the most common biomarker of autoimmunity. METHODS We analyzed cross-sectional data on 12,058 participants aged ≥ 12 years from three time periods of the National Health and Nutrition Examination Survey between 1988 and 2012, of whom 14% were ANA-positive. We used lognormal regression models and censored-data methods to estimate ANA associations with xenobiotic concentrations overall and in sex, age, and race/ethnicity subgroups. Our analyses adjusted for potential confounders and appropriately handled concentrations below detection limits. RESULTS Observed ANA associations were positive for most DL compounds and nonDL polychlorinated biphenyls (PCBs), negative for most phthalates, and mixed for other xenobiotic classes. After correcting for multiple comparisons, some associations remained statistically significant. In subgroup analyses, the most significant finding was a positive ANA association with N-acetyl-S-(2-hydroxy-3-butenyl)-L-cysteine (MHB2) in males, followed by positive associations with 2,2',3,5'-tetrachlorobiphenyl (PCB 44), 2,2',4,5'-tetrachlorobiphenyl (PCB 49), and 2,2',3,4',5',6-hexachlorobiphenyl (PCB 149) in 12-19 year-olds, and with 3,4,4',5-tetrachlorobiphenyl (PCB 81), 2,2',3,3',4,4',5,5',6-nonachlorobiphenyl (PCB 206), and N-acetyl-S-(phenyl)-L-cysteine (PMA) in Mexican Americans. Negative associations were found with mono-benzyl phthalate (MBzP) in 20-49 year-olds and mono-n-butyl phthalate (MnBP) in 12-19 year-olds. In overall analyses, combining stratum-specific results across race/ethnicity strata revealed a positive ANA association with PCB 81 and a negative ANA association with N-acetyl-S-(2-hydroxyethyl)-L-cysteine (HEMA). DISCUSSION This study identified potential associations between ANA and various xenobiotics. Further investigation to confirm these observations and elucidate effects of certain xenobiotics on immune regulation could have important mechanistic, preventive, and treatment implications for a variety of immune-mediated disorders.
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Affiliation(s)
- Gregg E Dinse
- Public Health & Scientific Research, Social & Scientific Systems, Durham, NC, USA.
| | - Caroll A Co
- Public Health & Scientific Research, Social & Scientific Systems, Durham, NC, USA.
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
| | - Clarice R Weinberg
- Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
| | - Guanhua Xie
- Public Health & Scientific Research, Social & Scientific Systems, Durham, NC, USA.
| | - Edward K L Chan
- Department of Oral Biology, University of Florida, Gainesville, FL, USA.
| | - Linda S Birnbaum
- Mechanistic Toxicology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
| | - Frederick W Miller
- Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
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Ogbodo JO, Arazu AV, Iguh TC, Onwodi NJ, Ezike TC. Volatile organic compounds: A proinflammatory activator in autoimmune diseases. Front Immunol 2022; 13:928379. [PMID: 35967306 PMCID: PMC9373925 DOI: 10.3389/fimmu.2022.928379] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
The etiopathogenesis of inflammatory and autoimmune diseases, including pulmonary disease, atherosclerosis, and rheumatoid arthritis, has been linked to human exposure to volatile organic compounds (VOC) present in the environment. Chronic inflammation due to immune breakdown and malfunctioning of the immune system has been projected to play a major role in the initiation and progression of autoimmune disorders. Macrophages, major phagocytes involved in the regulation of chronic inflammation, are a major target of VOC. Excessive and prolonged activation of immune cells (T and B lymphocytes) and overexpression of the master pro-inflammatory constituents [cytokine and tumor necrosis factor-alpha, together with other mediators (interleukin-6, interleukin-1, and interferon-gamma)] have been shown to play a central role in the pathogenesis of autoimmune inflammatory responses. The function and efficiency of the immune system resulting in immunostimulation and immunosuppression are a result of exogenous and endogenous factors. An autoimmune disorder is a by-product of the overproduction of these inflammatory mediators. Additionally, an excess of these toxicants helps in promoting autoimmunity through alterations in DNA methylation in CD4 T cells. The purpose of this review is to shed light on the possible role of VOC exposure in the onset and progression of autoimmune diseases.
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Affiliation(s)
- John Onyebuchi Ogbodo
- Department of Science Laboratory Technology, University of Nigeria, Nsukkagu, Enugu State, Nigeria
| | - Amarachukwu Vivan Arazu
- Department of Science Laboratory Technology, University of Nigeria, Nsukkagu, Enugu State, Nigeria
| | - Tochukwu Chisom Iguh
- Department of Plant Science and Biotechnology, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Ngozichukwuka Julie Onwodi
- Department of Pharmaceutical Technology and Industrial Pharmacy, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Tobechukwu Christian Ezike
- Department of Biochemistry, University of Nigeria, Nsukka, Enugu State, Nigeria
- *Correspondence: Tobechukwu Christian Ezike,
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11
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Janssen LMF, Ghosh M, Lemaire F, Michael Pollard K, Hoet PHM. Exposure to silicates and systemic autoimmune-related outcomes in rodents: a systematic review. Part Fibre Toxicol 2022; 19:4. [PMID: 34996462 PMCID: PMC8739508 DOI: 10.1186/s12989-021-00439-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 11/30/2021] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Autoimmunity can result from the interplay between genetic background and effects of environmental and/or occupational exposure to hazardous materials. Several compounds, including silica dust, have been linked with systemic autoimmunity and systemic autoimmune diseases, based on epidemiological evidence. For asbestos, a strong link with systemic autoimmune diseases does not yet exist, however, several studies have documented features of autoimmunity following asbestos exposure. Even so, human studies are limited in their ability to identify and examine isolated exposures, making it difficult to demonstrate causation or to assess pathogenic mechanisms. Therefore, this systematic review examines the existing animal evidence regarding autoimmunity and exposure to silicates (silica and asbestos). METHODS PubMed and EMBASE were systematically searched for peer-reviewed studies examining systemic autoimmune disease-related outcomes after silicate exposure in rodents. Literature databases were searched up to September 2021 for studies written in English and where the full text was available. Search strings were established based on a PECO (Population, Exposure, Comparator, Outcome) format. After title, abstract, and full-text screening, thirty-four studies were identified for further analysis. Quality assessment through ToxR tool and qualitative analysis of the results was performed. RESULTS Although there was significant heterogeneity in the included studies in terms of exposure protocol and genetic background of the rodent models used, it was noted that both genetic background and exposure to silicates [(crystalline) silica and asbestos] are highly relevant to the development of (sub-) clinical systemic autoimmune disease. CONCLUSION Parallels were observed between the findings from the animal (this review) and human (epidemiological) studies, arguing that experimental animal models are valuable tools for examining exacerbation or development of autoimmune disease after silicate exposure. However, genetic background and synergism between exposures should be considered in future studies.
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Affiliation(s)
- Lisa M F Janssen
- Laboratory of Toxicology, Unit of Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), KU Leuven, Leuven, Belgium
| | - Manosij Ghosh
- Laboratory of Toxicology, Unit of Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), KU Leuven, Leuven, Belgium
| | - Frauke Lemaire
- Laboratory of Toxicology, Unit of Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
| | - K Michael Pollard
- Department of Molecular Medicine, Scripps Research, La Jolla, CA, 92037, USA
| | - Peter H M Hoet
- Laboratory of Toxicology, Unit of Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium.
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), KU Leuven, Leuven, Belgium.
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12
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Anka AU, Usman AB, Kaoje AN, Kabir RM, Bala A, Kazem Arki M, Hossein-Khannazer N, Azizi G. Potential mechanisms of some selected heavy metals in the induction of inflammation and autoimmunity. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221122719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Inflammation is a physiological event that protects tissues from infection and injury. Chronic inflammation causes immune cell over activation and sustained release of inflammatory cytokines and chemokines cause pathologic conditions including autoimmune diseases. Heavy metals exposure affects innate and adaptive immune systems through triggering inflammatory responses. It seems that extended inflammatory responses could accelerate heavy metal-induced autoimmunity. In the present review we discuss the exposure route and toxicity of Cadmium (Cd), Lead (Pb), Mercury (Hg), Vanadium (V) and Platinum (Pt) and their effects on inflammatory responses by innate and adaptive immune system and autoimmunity.
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Affiliation(s)
- Abubakar U Anka
- Department of Medical Laboratory Science, College of Medical Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Abubakar B Usman
- Department of Immunology, School of Medical Laboratory Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Abubakar N Kaoje
- Department of Health Services, Federal University Birnin Kebbi, Birnin Kebbi, Nigeria
| | - Ramadan M Kabir
- Laboratory Department, Murtala Muhammad Specialist Hospital, Kano, Nigeria
| | - Aliyu Bala
- Hematology Department, Federal Medical Center, Katsina, Nigeria
| | - Mandana Kazem Arki
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nikoo Hossein-Khannazer
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Research Center for Immunodeficiencies, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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13
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Morales JS, Valenzuela PL, Castillo-García A, Butragueño J, Jiménez-Pavón D, Carrera-Bastos P, Lucia A. The Exposome and Immune Health in Times of the COVID-19 Pandemic. Nutrients 2021; 14:24. [PMID: 35010900 PMCID: PMC8746533 DOI: 10.3390/nu14010024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 02/07/2023] Open
Abstract
Growing evidence supports the importance of lifestyle and environmental exposures-collectively referred to as the 'exposome'-for ensuring immune health. In this narrative review, we summarize and discuss the effects of the different exposome components (physical activity, body weight management, diet, sun exposure, stress, sleep and circadian rhythms, pollution, smoking, and gut microbiome) on immune function and inflammation, particularly in the context of the current coronavirus disease 2019 (COVID-19) pandemic. We highlight the potential role of 'exposome improvements' in the prevention-or amelioration, once established-of this disease as well as their effect on the response to vaccination. In light of the existing evidence, the promotion of a healthy exposome should be a cornerstone in the prevention and management of the COVID-19 pandemic and other eventual pandemics.
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Affiliation(s)
- Javier S. Morales
- MOVE-IT Research Group, Department of Physical Education, Faculty of Education Sciences, Universidad de Cádiz, 11519 Cadiz, Spain;
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, 11009 Cadiz, Spain
| | - Pedro L. Valenzuela
- Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (P.L.V.); (A.L.)
- Physical Activity and Health Research Group (‘PaHerg’), Research Institute of the Hospital 12 de Octubre (‘imas12′), 28041 Madrid, Spain
| | | | - Javier Butragueño
- LFE Research Group, Department of Health and Human Performance, Faculty of Physical Activity and Sport Sciences, Polytechnic University of Madrid (UPM), 28040 Madrid, Spain;
| | - David Jiménez-Pavón
- MOVE-IT Research Group, Department of Physical Education, Faculty of Education Sciences, Universidad de Cádiz, 11519 Cadiz, Spain;
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, 11009 Cadiz, Spain
- CIBER of Frailty and Healthy Aging (CIBERFES), 28029 Madrid, Spain
| | - Pedro Carrera-Bastos
- Centre for Primary Health Care Research, Lund University, Skane University Hospital, 205 02 Malmö, Sweden;
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain
| | - Alejandro Lucia
- Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (P.L.V.); (A.L.)
- Physical Activity and Health Research Group (‘PaHerg’), Research Institute of the Hospital 12 de Octubre (‘imas12′), 28041 Madrid, Spain
- CIBER of Frailty and Healthy Aging (CIBERFES), 28029 Madrid, Spain
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14
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The Role of Exposomes in the Pathophysiology of Autoimmune Diseases I: Toxic Chemicals and Food. PATHOPHYSIOLOGY 2021; 28:513-543. [PMID: 35366249 PMCID: PMC8830458 DOI: 10.3390/pathophysiology28040034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022] Open
Abstract
Autoimmune diseases affect 5–9% of the world’s population. It is now known that genetics play a relatively small part in the pathophysiology of autoimmune disorders in general, and that environmental factors have a greater role. In this review, we examine the role of the exposome, an individual’s lifetime exposure to external and internal factors, in the pathophysiology of autoimmune diseases. The most common of these environmental factors are toxic chemicals, food/diet, and infections. Toxic chemicals are in our food, drink, common products, the air, and even the land we walk on. Toxic chemicals can directly damage self-tissue and cause the release of autoantigens, or can bind to human tissue antigens and form neoantigens, which can provoke autoimmune response leading to autoimmunity. Other types of autoimmune responses can also be induced by toxic chemicals through various effects at the cellular and biochemical levels. The food we eat every day commonly has colorants, preservatives, or packaging-related chemical contamination. The food itself may be antigenic for susceptible individuals. The most common mechanism for food-related autoimmunity is molecular mimicry, in which the food’s molecular structure bears a similarity with the structure of one or more self-tissues. The solution is to detect the trigger, remove it from the environment or diet, then repair the damage to the individual’s body and health.
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15
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Vakilian M. A review on the effect of prolyl isomerization on immune response aberration and hypersensitivity reactions: A unifying hypothesis. Clin Immunol 2021; 234:108896. [PMID: 34848356 DOI: 10.1016/j.clim.2021.108896] [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: 08/27/2021] [Revised: 11/19/2021] [Accepted: 11/21/2021] [Indexed: 12/01/2022]
Abstract
Little is known about the causes and mechanisms of ectopic immune responses, including different types of hypersensitivity, superantigens, and cytokine storms. Two of the most questionable phenomena observed in immunology are why the intensity and extent of immune responses to different antigens are different, and why some self-antigens are attacked as foreign. The secondary structure of the peptides involved in the immune system, such as the epitope-paratope interfaces plays a pivotal role in the resulting immune responses. Prolyl cis/trans isomerization plays a fundamental role in the form of the secondary structure and the folding of proteins. This review covers some of the emerging evidence indicating the impact of prolyl isomerization on protein conformation, aberration of immune responses, and the development of hypersensitivity reactions.
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Affiliation(s)
- Mehrdad Vakilian
- Department of Cell Biology, Genetics and Physiology, University of Malaga (UMA), The Institute of Biomedical Research in Malaga (IBIMA), Málaga, Spain.
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16
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Xenobiotics-Division and Methods of Detection: A Review. J Xenobiot 2021; 11:130-141. [PMID: 34842778 PMCID: PMC8628977 DOI: 10.3390/jox11040009] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/30/2021] [Accepted: 10/13/2021] [Indexed: 11/25/2022] Open
Abstract
Xenobiotics are compounds of synthetic origin, usually used for domestic, agricultural, and industrial purposes; in the environment, they are present in micropollutant concentrations and high concentrations (using ng/L to µg/L units). Xenobiotics can be categorized according to different criteria, including their nature, uses, physical state, and pathophysiological effects. Their impacts on humans and the environment are non-negligible. Prolonged exposure to even low concentrations may have toxic, mutagenic, or teratogenic effects. Wastewater treatment plants that are ineffective at minimizing the release of xenobiotic compounds are one of the main sources of xenobiotics in the environment (e.g., xenobiotic compounds reach the environment, affecting both humans and animals). In order to minimize the negative impacts, various laws and regulations have been adopted in the EU and across the globe, with an emphasis on xenobiotics removal from the environment, in a way that is economically, environmentally, and socially acceptable, and will not result in their accumulation, or creation of compounds that are more harmful. Detection methods allow detecting even small concentrations of xenobiotics in samples, but the problem is the diversity and mix of compounds present in the environment, in which it is not known what their effects are). In this review, the division of xenobiotics and their detection methods will be presented.
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17
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Tolmacheva AS, Aulova KS, Urusov AE, Orlovskaya IA, Nevinsky GA. Increase in Autoantibodies-Abzymes with Peroxidase and Oxidoreductase Activities in Experimental Autoimmune Encephalomyelitis Mice during the Development of EAE Pathology. Molecules 2021; 26:molecules26072077. [PMID: 33916567 PMCID: PMC8038483 DOI: 10.3390/molecules26072077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 03/30/2021] [Accepted: 04/02/2021] [Indexed: 11/16/2022] Open
Abstract
The exact mechanisms of multiple sclerosis (MS) development are still unknown, but the development of experimental autoimmune encephalomyelitis (EAE) in C57BL/6 mice is associated with the violation of bone marrow hematopoietic stem cells (HSCs) differentiation profiles associated with the production of harmful for human’s autoantibodies hydrolyzing myelin basic protein, myelin oligodendrocyte glycoprotein (MOG35–55), and DNA. It was shown that IgGs from the sera of healthy humans and autoimmune patients oxidize many different compounds due to their H2O2-dependent peroxidase and oxidoreductase activity in the absence of H2O2. Here we first analyzed the change in the relative redox activities of IgGs antibodies from the blood of C57BL/6 mice over time at different stages of the EAE development. It was shown that the peroxidase activity of mice IgGs in the oxidation of ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) is on average 6.9-fold higher than the oxidoreductase activity. The peroxidase activity of IgGs increased during the spontaneous development of EAE during 40 days, 1.4-fold. After EAE development acceleration due to mice immunization with MOG35–55 (5.3-fold), complexes of bovine DNA with methylated bovine serum albumin (DNA-metBSA; 3.5-fold), or with histones (2.6-fold), the activity was increased much faster. The increase in peroxidase activity after mice immunization with MOG35–55 and DNA-metBSA up to 40 days of experiments was relatively gradual, while for DNA-histones complex was observed its sharp increase at the acute phase of EAE (14–20 days). All data show that IgGs’ redox activities can play an important role in the protection of mice from toxic compounds and oxidative stress.
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MESH Headings
- Animals
- Antibodies, Catalytic/metabolism
- Autoantibodies/metabolism
- Cell Differentiation/drug effects
- Cell Proliferation/drug effects
- Encephalomyelitis, Autoimmune, Experimental/chemically induced
- Encephalomyelitis, Autoimmune, Experimental/enzymology
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/pathology
- Hematopoietic Stem Cells/drug effects
- Hematopoietic Stem Cells/immunology
- Hematopoietic Stem Cells/pathology
- Humans
- Hydrogen Peroxide/pharmacology
- Immunoglobulin G/metabolism
- Mice
- Mice, Inbred C57BL
- Myelin Basic Protein/metabolism
- Myelin-Oligodendrocyte Glycoprotein/administration & dosage
- Oxidation-Reduction
- Oxidoreductases/immunology
- Oxidoreductases/metabolism
- Peptide Fragments/administration & dosage
- Peroxidases/immunology
- Peroxidases/metabolism
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Affiliation(s)
- Anna S. Tolmacheva
- Institute of Chemical Biology and Fundamental Medicine, SB of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.S.T.); (K.S.A.); (A.E.U.)
| | - Kseniya S. Aulova
- Institute of Chemical Biology and Fundamental Medicine, SB of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.S.T.); (K.S.A.); (A.E.U.)
| | - Andrey E. Urusov
- Institute of Chemical Biology and Fundamental Medicine, SB of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.S.T.); (K.S.A.); (A.E.U.)
| | - Irina A. Orlovskaya
- Institute of Clinical Immunology, Siberian Branch of the Russian Academy of Medical Sciences, 630090 Novosibirsk, Russia;
| | - Georgy A. Nevinsky
- Institute of Chemical Biology and Fundamental Medicine, SB of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.S.T.); (K.S.A.); (A.E.U.)
- Correspondence: ; Tel.: +7-383-3635126; Fax: +7-383-3635153
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18
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Pollard KM. Perspective: The Lung, Particles, Fibers, Nanomaterials, and Autoimmunity. Front Immunol 2020; 11:587136. [PMID: 33391263 PMCID: PMC7775503 DOI: 10.3389/fimmu.2020.587136] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/17/2020] [Indexed: 12/11/2022] Open
Abstract
Studies have shown that a wide range of factors including drugs, chemicals, microbes, and other environmental agents can induce pre-clinical autoimmunity. However, only a few have been confidently linked to autoimmune diseases. Among these are exposures to inhaled particulates that are known to be associated with autoimmune diseases such as lupus and rheumatoid arthritis. In this article, the potential of particle, fiber, and nanomaterial exposures to induce autoimmunity is discussed. It is hypothesized that inhalation of particulate material known to be associated with human autoimmune diseases, such as cigarette smoke and crystalline silica, results in a complex interplay of a number of pathological processes, including, toxicity, oxidative stress, cell and tissue damage, chronic inflammation, post-translational modification of self-antigens, and the formation of lymphoid follicles that provide a milieu for the accumulation of autoreactive B and T cells necessary for the development and persistence of autoimmune responses, leading to disease. Although experimental studies show nanomaterials are capable of inducing several of the above features, there is no evidence that this matures to autoimmune disease. The procession of events hypothesized here provides a foundation from which to pursue experimental studies to determine the potential of other environmental exposures to induce autoimmunity and autoimmune disease.
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Affiliation(s)
- K Michael Pollard
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, United States
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19
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Pollard KM, Cauvi DM, Mayeux JM, Toomey CB, Peiss AK, Hultman P, Kono DH. Mechanisms of Environment-Induced Autoimmunity. Annu Rev Pharmacol Toxicol 2020; 61:135-157. [PMID: 32857688 DOI: 10.1146/annurev-pharmtox-031320-111453] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Although numerous environmental exposures have been suggested as triggers for preclinical autoimmunity, only a few have been confidently linked to autoimmune diseases. For disease-associated exposures, the lung is a common site where chronic exposure results in cellular toxicity, tissue damage, inflammation, and fibrosis. These features are exacerbated by exposures to particulate material, which hampers clearance and degradation, thus facilitating persistent inflammation. Coincident with exposure and resulting pathological processes is the posttranslational modification of self-antigens, which, in concert with the formation of tertiary lymphoid structures containing abundant B cells, is thought to promote the generation of autoantibodies that in some instances demonstrate major histocompatibility complex restriction. Under appropriate gene-environment interactions, these responses can have diagnostic specificity. Greater insight into the molecular and cellular requirements governing this process, especially those that distinguish preclinical autoimmunity from clinical autoimmunedisease, may facilitate determination of the significance of environmental exposures in human autoimmune disease.
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Affiliation(s)
- K Michael Pollard
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92037, USA;
| | - David M Cauvi
- Department of Surgery, University of California San Diego School of Medicine, La Jolla, California 92093, USA
| | - Jessica M Mayeux
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92037, USA;
| | - Christopher B Toomey
- Department of Ophthalmology, University of California San Diego, La Jolla, California 92093, USA
| | - Amy K Peiss
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92037, USA;
| | - Per Hultman
- Departments of Clinical Pathology and Biomedical and Clinical Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Dwight H Kono
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, California 92037, USA
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20
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Marinkovic T, Marinkovic D. Biological mechanisms of ectopic lymphoid structure formation and their pathophysiological significance. Int Rev Immunol 2020; 40:255-267. [PMID: 32631119 DOI: 10.1080/08830185.2020.1789620] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Ectopic lymphoid structures (ELS) or tertiary lymphoid organs are structures with the organization similar to the one of secondary lymphoid organs, formed in non-lymphoid tissues. They are considered to be an important site for the lymphocytic physiological and pathological role in conditions such are chronic infections, autoimmune diseases, cancer, and allograft rejection. Although similar to the secondary lymphoid tissues, the initiation of ELS formation is not preprogramed and requires chronic inflammation, expression of homeostatic chemokines, and lymphotoxin beta receptor activation. Importantly, while ELS formation may be considered beneficiary in antimicrobial and antitumor immunity, the persistence of these active lymphoid structures within the tissue increase the chance for development of autoimmunity and lymphoma. This paper is providing an overview of biological mechanisms involved in ELS formation, as well as the overview of the pathophysiological role of these structures. In addition, the paper discusses the possibility to therapeutically target ELS formation, bearing in mind their bivalent nature and role in different pathophysiological conditions.
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Affiliation(s)
- Tatjana Marinkovic
- Department of Medical Sciences, Western Serbia Academy of Applied Sciences, Uzice, Serbia
| | - Dragan Marinkovic
- Faculty of Special Education and Rehabilitation, University of Belgrade, Belgrade, Serbia
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21
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McSorley EM, van Wijngaarden E, Yeates AJ, Spence T, Mulhern MS, Harrington D, Thurston SW, Love T, Jusko TA, Allsopp PJ, Conway MC, Davidson PW, Myers GJ, Watson GE, Shamlaye CF, Strain JJ. Methylmercury and long chain polyunsaturated fatty acids are associated with immune dysregulation in young adults from the Seychelles child development study. ENVIRONMENTAL RESEARCH 2020; 183:109072. [PMID: 32007747 PMCID: PMC7213642 DOI: 10.1016/j.envres.2019.109072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 05/07/2023]
Abstract
BACKGROUND Exposure to the environmental toxicant mercury (Hg) has been associated with immune dysregulation, including autoimmune disease, but few human studies have examined methylmercury (MeHg) exposure from fish consumption. OBJECTIVES We examined associations between MeHg exposure and biological markers of autoimmunity and inflammation while adjusting for long chain polyunsaturated fatty acids (LCPUFA). METHOD At age 19 years, hair total Hg (Y19Hg), LCPUFA status, a panel of 13 antinuclear antibodies (ANA), total serum immunoglobulins (Ig) IgG, IgA, and IgM and serum markers of inflammation (IL-1, IL-2, IL-6, IL-10, C-reactive protein (CRP), IFN-γ, TNF-α) were measured in the Seychelles Child Development Study (SCDS) Main Cohort (n = 497). Multivariable regression models investigated the association between Y19Hg and biomarkers, adjusting for prenatal total hair Hg (MatHg) and other relevant covariates, and with and without adjustment for LCPUFA. RESULTS With each 1 ppm increase in Y19Hg (mean 10.23 (SD 6.02) ppm) we observed a 4% increased odds in a positive Combined ANA following adjustment for the n6:n3 LCPUFA ratio (β = 0.036, 95%; CI: 0.001, 0.073). IgM was negatively associated with Y19Hg (β = -0.016, 95%CI: 0.016, -0.002) in models adjusted for n-3, n-6 LCPUFA and when separately adjusted for the n-6:n-3 LCPUFA ratio. No associations were observed with MatHg. Total n-3 LCPUFA status was associated with reduced odds of a positive anti-ribonuclear protein (RNP) A. The n-3 LCPUFA were negatively associated with IL-6, IL-10, CRP, IFN-γ, TNF-α and positively with TNF-α:IL-10. There were positive associations between the n-6:n-3 ratio and IL-6, IL-10, CRP, IFN-γ, TNF-α and a negative association with TNF-α:IL-10. DISCUSSION The Y19Hg exposure was associated with higher ANA and lower IgM albeit only following adjustment for the n-3 LCPUFA or the n-6:n-3 LCPUFA ratio. The clinical significance of these findings is unclear, but warrant follow up at an older age to determine any relationship to the onset of autoimmune disease.
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Affiliation(s)
- Emeir M McSorley
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom.
| | | | - Alison J Yeates
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Toni Spence
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Maria S Mulhern
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Donald Harrington
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Sally W Thurston
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Tanzy Love
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Todd A Jusko
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Philip J Allsopp
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Marie C Conway
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Philip W Davidson
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Gary J Myers
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | - Gene E Watson
- The School of Medicine and Dentistry, University of Rochester, NY, United States
| | | | - J J Strain
- The Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
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22
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Miller-Archie SA, Izmirly PM, Berman JR, Brite J, Walker DJ, Dasilva RC, Petrsoric LJ, Cone JE. Systemic Autoimmune Disease Among Adults Exposed to the September 11, 2001 Terrorist Attack. Arthritis Rheumatol 2020; 72:849-859. [PMID: 31762219 PMCID: PMC7216890 DOI: 10.1002/art.41175] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 11/19/2019] [Indexed: 12/18/2022]
Abstract
Objective Autoimmune disease is an emerging condition among persons exposed to the September 11, 2001 attack on the World Trade Center (WTC). Components of the dust cloud resulting from the collapse of the WTC have been associated with development of a systemic autoimmune disease, as has posttraumatic stress disorder (PTSD). We undertook this study to determine whether dust exposure and PTSD were associated with an increased risk of systemic autoimmune disease in a 9/11‐exposed cohort. Methods Among 43,133 WTC Health Registry enrollees, 2,786 self‐reported having a post‐9/11 systemic autoimmune disease. We obtained informed consent to review medical records to validate systemic autoimmune disease diagnoses for 1,041 enrollees. Diagnoses of systemic autoimmune diseases were confirmed by classification criteria, rheumatologist diagnosis, or having been prescribed systemic autoimmune disease medication. Controls were enrollees who denied having an autoimmune disease diagnosis (n = 37,017). We used multivariable log‐binomial regression to examine the association between multiple 9/11 exposures and risk of post‐9/11 systemic autoimmune disease, stratifying by responders (rescue, recovery, and clean‐up workers) and community members (e.g., residents, area workers). Results We identified 118 persons with systemic autoimmune disease. Rheumatoid arthritis was most frequent (n = 71), followed by Sjӧgren's syndrome (n = 22), systemic lupus erythematosus (n = 20), myositis (n = 9), mixed connective tissue disease (n = 7), and scleroderma (n = 4). Among 9/11 responders, those with intense dust cloud exposure had almost twice the risk of systemic autoimmune disease (adjusted risk ratio 1.86 [95% confidence interval 1.02–3.40]). Community members with PTSD had a nearly 3‐fold increased risk of systemic autoimmune disease. Conclusion Intense dust cloud exposure among responders and PTSD among community members were associated with a statistically significant increased risk of new‐onset systemic autoimmune disease. Clinicians treating 9/11 survivors should be aware of the potential increased risk of systemic autoimmune disease in this population.
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Affiliation(s)
| | | | - Jessica R Berman
- Hospital for Special Surgery and Weill Cornell Medical College, New York, New York
| | - Jennifer Brite
- New York City Department of Health and Mental Hygiene, New York, New York
| | - Deborah J Walker
- New York City Department of Health and Mental Hygiene, New York, New York
| | - Renato C Dasilva
- New York City Department of Health and Mental Hygiene, New York, New York
| | - Lysa J Petrsoric
- New York City Department of Health and Mental Hygiene, New York, New York
| | - James E Cone
- New York City Department of Health and Mental Hygiene, New York, New York
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23
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Abstract
Until recently, autoimmune disease research has primarily been focused on elucidating the role of the adaptive immune system. In the past decade or so, the role of the innate immune system in the pathogenesis of autoimmunity has increasingly been realized. Recent findings have elucidated paradigm-shifting concepts, for example, the implications of "trained immunity" and a dysbiotic microbiome in the susceptibility of predisposed individuals to clinical autoimmunity. In addition, the application of modern technologies such as the quantum dot (Qdot) system and 'Omics' (e.g., genomics, proteomics, and metabolomics) data-processing tools has proven fruitful in revisiting mechanisms underlying autoimmune pathogenesis and in identifying novel therapeutic targets. This review highlights recent findings discussed at the American Autoimmune Related Disease Association (AARDA) 2019 colloquium. The findings covering autoimmune diseases and autoinflammatory diseases illustrate how new developments in common innate immune pathways can contribute to the better understanding and management of these immune-mediated disorders.
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24
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Costa C, Briguglio G, Catanoso R, Giambò F, Polito I, Teodoro M, Fenga C. New perspectives on cytokine pathways modulation by pesticide exposure. CURRENT OPINION IN TOXICOLOGY 2020. [DOI: 10.1016/j.cotox.2020.01.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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25
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Dillon CF, Weisman MH, Miller FW. Population-based estimates of humoral autoimmunity from the U.S. National Health and Nutrition Examination Surveys, 1960-2014. PLoS One 2020; 15:e0226516. [PMID: 31929535 PMCID: PMC6957172 DOI: 10.1371/journal.pone.0226516] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/26/2019] [Indexed: 02/06/2023] Open
Abstract
Objective Based on US National Health and Nutrition Examination Survey (NHANES) data, we attempted to provide an unbiased, population-based estimate of autoantibody prevalence overall and by age and sex. Methods US autoantibody prevalence estimates for detectable rheumatoid factor, anti-thyroglobulin, anti-thyroperoxidase, anti-transglutaminase, anti-endomysial, anti-GAD65, antinuclear autoantibodies, and autoantibodies to extractable nuclear antigens were estimated from the 1960–1962 National Health Examination Survey, NHANES III (1988–1994), and the NHANES 1999–2014 cross-sectional surveys. Survey design variables and sample weights were used to account for differential probabilities of selection within the complex survey design. Data analysis used SASTM and SUDAAN™ software. US Census Bureau data were used to estimate the absolute numbers of persons with autoantibodies. Results NHANES III data show that the overall US prevalence of having a detectable serum autoantibody is substantial in adults, in both women and men. Thyroid autoantibodies were present in 18% of US adults (31 million persons) including 10% of younger adults and 25% of older persons. Overall autoantibody prevalences increased significantly with age: 32% of US adults 60+ years of age (12.8 million persons) had at least one of the four autoantibodies rheumatoid factor, anti-thyroglobulin, anti-thyroperoxidase, or anti-tissue transglutaminase. Older women had higher levels of autoantibodies, but this was a relative difference. Autoantibody prevalence in both sexes was substantial (women 39%; men 22%). Fourteen percent of adults 60+ years of age have multiple autoantibodies. Conclusions Autoantibodies are present in a significant fraction of the general population, especially in older adults and women relative to men. Although all known clinically significant autoantibodies were not analyzed, these data provide an important population perspective on the scope and magnitude of humoral autoimmunity in the US. This is vital for prevention efforts to reduce autoimmune disease and helps clarify the potential impact of autoimmunity on the general population.
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Affiliation(s)
- Charles F. Dillon
- National Institute of Environmental Health Sciences, NIH, Bethesda, Maryland, United States of America
| | - Michael H. Weisman
- Cedars-Sinai Medical Center, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States of America
| | - Frederick W. Miller
- National Institute of Environmental Health Sciences, NIH, Bethesda, Maryland, United States of America
- * E-mail:
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26
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Yin S, Guo F, Aamir M, Liu Y, Tang M, Liu W. Multicenter biomonitoring of polybrominated diphenyl ethers (PBDEs) in colostrum from China: Body burden profile and risk assessment. ENVIRONMENTAL RESEARCH 2019; 179:108828. [PMID: 31704496 DOI: 10.1016/j.envres.2019.108828] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/23/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) were listed in the Stockholm Convention due to their persistent and toxic nature. In utero exposure to PBDEs might affect fetal development as it is sensitive when exposed to even low dose of xenobiotic substances during the pregnancy. In this study, a multi-centre human biomonitoring study of tri-to hexa-BDEs was conducted in three Chinese cities using 60 colostrum samples from local residents. The patterns and influencing factors, correlation with the birth outcome, and potential health risks during the breastfeeding of tri-to hexa-BDEs in the colostrum samples were assessed. The median concentration of tri-to hexa-BDEs was 9.1 (Interquartile range: 3.1-19.5) ng g-1 lipid weight, and BDE-153 contributed 68% of the detected PBDEs. The PBDE levels were mostly associated with maternal age and drinking water sources, while correlations with other factors including weight gain, BMI, parity and the number of aborted pregnancies was not significant. The level of BDE-28 was positively correlated with the birth weight, while the BDE-99 was positively correlated with the head circumference, using multilinear regression. For the total hazard quotients, 60% of the infants have an estimated value higher than 1, showed potential chronic hazard for future development and possible adverse health effects to the babies from the exposure to PBDE congeners. Alternative food source seems to have a lower risk for neonates than the colostrum, but the advantages of breastfeeding undoubtedly outweigh the risks and potential adverse health effects caused by environmental PBDEs and other xenobiotic chemical exposure.
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Affiliation(s)
- Shanshan Yin
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fangjie Guo
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Muhammad Aamir
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yingxue Liu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Mengling Tang
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Weiping Liu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Institution of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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27
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Pollard KM, Cauvi DM, Toomey CB, Hultman P, Kono DH. Mercury-induced inflammation and autoimmunity. Biochim Biophys Acta Gen Subj 2019; 1863:129299. [PMID: 30742953 DOI: 10.1016/j.bbagen.2019.02.001] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/12/2019] [Accepted: 02/01/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Human exposure to mercury leads to a variety of pathologies involving numerous organ systems including the immune system. A paucity of epidemiological studies and suitable diagnostic criteria, however, has hampered collection of sufficient data to support a causative role for mercury in autoimmune diseases. Nevertheless, there is evidence that mercury exposure in humans is linked to markers of inflammation and autoimmunity. This is supported by experimental animal model studies, which convincingly demonstrate the biological plausibility of mercury as a factor in the pathogenesis of autoimmune disease. SCOPE OF THE REVIEW In this review, we focus on ability of mercury to elicit inflammatory and autoimmune responses in both humans and experimental animal models. MAJOR CONCLUSIONS Although subtle differences exist, the inflammatory and autoimmune responses elicited by mercury exposure in humans and experimental animal models show many similarities. Proinflammatory cytokine expression, lymphoproliferation, autoantibody production, and nephropathy are common outcomes. Animal studies have revealed significant strain dependent differences in inflammation and autoimmunity suggesting genetic regulation. This has been confirmed by the requirement for individual genes as well as genome wide association studies. Importantly, many of the genes required for mercury-induced inflammation and autoimmunity are also required for idiopathic systemic autoimmunity. A notable difference is that mercury-induced autoimmunity does not require type I IFN. This observation suggests that mercury-induced autoimmunity may arise by both common and specific pathways, thereby raising the possibility of devising criteria for environmentally associated autoimmunity. GENERAL SIGNIFICANCE Mercury exposure likely contributes to the pathogenesis of autoimmunity.
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Affiliation(s)
- K Michael Pollard
- Department of Molecular Medicine, Scripps Research, 10550 North Torrey Pines Road, La Jolla, CA, 92037, United States of America.
| | - David M Cauvi
- Department of Surgery and Center for Investigations of Health and Education Disparities, School of Medicine, University of California, San Diego, 9500 Gilman Drive #0739, La Jolla, CA 92093, United States of America.
| | - Christopher B Toomey
- Shiley Eye Institute, Department of Ophthalmology, University of California, San Diego, 9500 Gilman Drive #0946, La Jolla, CA 92093.
| | - Per Hultman
- Department of Experimental and Clinical Medicine, Linköping University, Linköping, Sweden.
| | - Dwight H Kono
- Department of Immunology and Microbiology, Scripps Research, 10550 North Torrey Pines Road, La Jolla, CA, 92037, United States of America.
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28
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Swartwout B, Luo XM. Implications of Probiotics on the Maternal-Neonatal Interface: Gut Microbiota, Immunomodulation, and Autoimmunity. Front Immunol 2018; 9:2840. [PMID: 30559747 PMCID: PMC6286978 DOI: 10.3389/fimmu.2018.02840] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 11/19/2018] [Indexed: 12/18/2022] Open
Abstract
Probiotics are being investigated for the treatment of autoimmune disease by re-balancing dysbiosis induced changes in the immune system. Pregnancy is a health concern surrounding autoimmune disease, both for the mother and her child. Probiotics for maternity are emerging on the market and have gained significant momentum in the literature. Thus far, evidence supports that probiotics alter the structure of the normal microbiota and the microbiota changes significantly during pregnancy. The interaction between probiotics-induced changes and normal changes during pregnancy is poorly understood. Furthermore, there is emerging evidence that the maternal gut microbiota influences the microbiota of offspring, leading to questions on how maternal probiotics may influence the health of neonates. Underpinning the development and balance of the immune system, the microbiota, especially that of the gut, is significantly important, and dysbiosis is an agent of immune dysregulation and autoimmunity. However, few studies exist on the implications of maternal probiotics for the outcome of pregnancy in autoimmune disease. Is it helpful or harmful for mother with autoimmune disease to take probiotics, and would this be protective or pathogenic for her child? Controversy surrounds whether probiotics administered maternally or during infancy are healthful for allergic disease, and their use for autoimmunity is relatively unexplored. This review aims to discuss the use of maternal probiotics in health and autoimmune disease and to investigate their immunomodulatory properties.
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Affiliation(s)
- Brianna Swartwout
- Translational Biology, Medicine, and Health Graduate Program, Virginia Tech Carilion Research Institute, Virginia Tech, Roanoke, VA, United States
| | - Xin M. Luo
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
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