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Baratzhanova G, Fournier A, Delannoy M, Baubekova A, Altynova N, Djansugurova L, Cakir-Kiefer C. The mode of action of different organochlorine pesticides families in mammalians. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 110:104514. [PMID: 39033792 DOI: 10.1016/j.etap.2024.104514] [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: 02/08/2024] [Revised: 07/10/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Organochlorine pesticides (OCPs) show differences in their chemical structure, mechanism of toxicity, and target organisms. However, OCPs also have some common characteristics such as high persistence in the environment, bioaccumulation, and toxicity which lead to health issues. Nowadays, the toxicity of OCPs is well known, but we still do not know all the specific molecular mechanisms leading to their toxicity in mammalians. Therefore, this review aims to collect data about the mode of action of various classes of OCPs, highlighting their differences and common behavioural reactions in the human and animal body. To discuss the OCPs molecular pathways and fate in different systems of the body, three organochlorine insecticides were selected (Dichlorodiphenyltrichloroethane, Hexachlorocyclohexane and Chlordecone), regarding to their widespread use, with consequent effects on the ecosystem and human health. Their common biological responses at the molecular scale and their different interactions in human and animal bodies were highlighted and presented.
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Affiliation(s)
- Gulminyam Baratzhanova
- Université de Lorraine, INRAE, L2A, Nancy F-54000, France; Institute of Genetics and Physiology, Al-Farabi Avenue 93, Almaty 050060, Kazakhstan; Al-Farabi Kazakh National University, Faculty of Biology and Biotechnology, Al-Farabi Avenue 71, Almaty 050040, Kazakhstan.
| | - Agnès Fournier
- Université de Lorraine, INRAE, L2A, Nancy F-54000, France
| | | | - Almagul Baubekova
- Al-Farabi Kazakh National University, Faculty of Biology and Biotechnology, Al-Farabi Avenue 71, Almaty 050040, Kazakhstan
| | - Nazym Altynova
- Institute of Genetics and Physiology, Al-Farabi Avenue 93, Almaty 050060, Kazakhstan
| | - Leyla Djansugurova
- Institute of Genetics and Physiology, Al-Farabi Avenue 93, Almaty 050060, Kazakhstan; Al-Farabi Kazakh National University, Faculty of Biology and Biotechnology, Al-Farabi Avenue 71, Almaty 050040, Kazakhstan
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Smagulova F. [Multigenerational epigenetic inheritance in human: the past, present and perspectives]. Biol Aujourdhui 2023; 217:233-243. [PMID: 38018951 DOI: 10.1051/jbio/2023032] [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: 05/01/2023] [Indexed: 11/30/2023]
Abstract
Nowadays, a growing body of evidence suggests that the developmental programs of each individual could be modified. The acquired new phenotypic changes could be persistent throughout the individual's life and even transmitted to the next generation. While the exact mechanism for that preservation is not well understood yet, there are many evidences showing that epigenetic alterations, which are robust and dynamic in response to the influence of the environmental factors, could be responsible for that inheritance. A growing number of external factors such as social stress, environmental pollution and climate changes make adaptation to these environmental changes rather challenging. According to the Developmental Origin of Human Disease theory, formulated by David Barker, environmental conditions experienced during the first phases of development can have long term effects on later phases of life. This phenomenon is linked to the biological plasticity of development, which allows reprogramming of physiological functions in response to different stimuli. Consequently, in utero exposure to environmental pollutants can increase predisposition to different pathologies that can occur both in early and later phases of life not only in the living generation but also in subsequent ones. Here, we have summarised some findings in human epigenetic research studies performed for the past few years which address the question whether transgenerational effects observed in model organisms could also occur in humans.
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Affiliation(s)
- Fatima Smagulova
- Univ. Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, 9 avenue Léon Bernard, 35000 Rennes, France
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D’Cruz SC, Hao C, Labussiere M, Mustieles V, Freire C, Legoff L, Magnaghi-Jaulin L, Olivas-Martinez A, Rodriguez-Carrillo A, Jaulin C, David A, Fernandez MF, Smagulova F. Genome-wide distribution of histone trimethylation reveals a global impact of bisphenol A on telomeric binding proteins and histone acetyltransferase factors: a pilot study with human and in vitro data. Clin Epigenetics 2022; 14:186. [PMID: 36572933 PMCID: PMC9793539 DOI: 10.1186/s13148-022-01408-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 12/14/2022] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE To assess the genetic and epigenetic effects promoted by Bisphenol A (BPA) exposure in adolescent males from the Spanish INMA-Granada birth cohort, and in human cells. METHODS DNA methylation was analysed using MEDIP. Repeat number variation in genomic DNA was evaluated, along with the analysis of H3K4me3 by using chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq). Analyses were performed with material extracted from whole blood of the adolescents, complemented by in vitro assessments of human (HeLa) cells exposed to 10 nM BPA, specifically, immunofluorescence evaluation of protein levels, gene expression analysis and ChIP‒qPCR analysis. RESULTS Adolescents in the high urinary BPA levels group presented a higher level of Satellite A (SATA) repetitive region copy numbers compared to those in the low BPA group and a tendency towards increase in telomere length. We also observed decreased DNA methylation at the promoters of the imprinted genes H19, KCNQ1, and IGF2; at LINE1 retroelements; and at the ARID2, EGFR and ESRRA and TERT genes. Genome-wide sequencing revealed increased H3K4me3 occupancy at the promoters of genes encoding histone acetyltransferases, telomeric DNA binding factors and DNA repair genes. Results were supported in HeLa cells exposed to 10 nM BPA in vitro. In accordance with the data obtained in blood samples, we observed higher H3K4me3 occupancy and lower DNA methylation at some specific targets in HeLa cells. In exposed cells, changes in the expression of genes encoding DNA repair factors (ATM, ARID2, TRP53) were observed, and increased expression of several genes encoding telomeric DNA binding factors (SMG7, TERT, TEN1, UPF1, ZBTB48) were also found. Furthermore, an increase in ESR1/ERa was observed in the nuclei of HeLa cells along with increased binding of ESR1 to KAT5, KMT2E and TERF2IP promoters and decreased ESR1 binding at the RARA promoter. The DNA damage marker p53/TP53 was also increased. CONCLUSION In this pilot study, genome-wide analysis of histone trimethylation in adolescent males exposed to BPA revealed a global impact on the expression of genes encoding telomeric binding proteins and histone acetyltransferase factors with similar results in HeLa cells. Nevertheless, larger studies should confirm our findings.
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Affiliation(s)
- Shereen Cynthia D’Cruz
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Chunxiang Hao
- grid.410747.10000 0004 1763 3680School of Medicine, Linyi University, Linyi, 276000 China
| | - Martin Labussiere
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Vicente Mustieles
- grid.4489.10000000121678994Center for Biomedical Research (CIBM), Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria (Ibs.GRANADA), 18012 Granada, Spain ,grid.466571.70000 0004 1756 6246Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Carmen Freire
- grid.4489.10000000121678994Center for Biomedical Research (CIBM), Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria (Ibs.GRANADA), 18012 Granada, Spain ,grid.466571.70000 0004 1756 6246Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Louis Legoff
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Laura Magnaghi-Jaulin
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Alicia Olivas-Martinez
- grid.4489.10000000121678994Center for Biomedical Research (CIBM), Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria (Ibs.GRANADA), 18012 Granada, Spain
| | - Andrea Rodriguez-Carrillo
- grid.4489.10000000121678994Center for Biomedical Research (CIBM), Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria (Ibs.GRANADA), 18012 Granada, Spain
| | - Christian Jaulin
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Arthur David
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
| | - Mariana F. Fernandez
- grid.4489.10000000121678994Center for Biomedical Research (CIBM), Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain ,grid.507088.2Instituto de Investigación Biosanitaria (Ibs.GRANADA), 18012 Granada, Spain ,grid.466571.70000 0004 1756 6246Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Fatima Smagulova
- grid.410368.80000 0001 2191 9284EHESP, Inserm, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, University Rennes, 35000 Rennes, France
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Schrott R, Song A, Ladd-Acosta C. Epigenetics as a Biomarker for Early-Life Environmental Exposure. Curr Environ Health Rep 2022; 9:604-624. [PMID: 35907133 DOI: 10.1007/s40572-022-00373-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW There is interest in evaluating the developmental origins of health and disease (DOHaD) which emphasizes the role of prenatal and early-life environments on non-communicable health outcomes throughout the life course. The ability to rigorously assess and identify early-life risk factors for later health outcomes, including those with childhood onset, in large population samples is often limited due to measurement challenges such as impractical costs associated with prospective studies with a long follow-up duration, short half-lives for some environmental toxicants, and lack of biomarkers that capture inter-individual differences in biologic response to external environments. RECENT FINDINGS Epigenomic patterns, and DNA methylation in particular, have emerged as a potential objective biomarker to address some of these study design and exposure measurement challenges. In this article, we summarize the literature to date on epigenetic changes associated with specific prenatal and early-life exposure domains as well as exposure mixtures in human observational studies and their biomarker potential. Additionally, we highlight evidence for other types of epigenetic patterns to serve as exposure biomarkers. Evidence strongly supports epigenomic biomarkers of exposure that are detectable across the lifespan and across a range of exposure domains. Current and future areas of research in this field seek to expand these lines of evidence to other environmental exposures, to determine their specificity, and to develop predictive algorithms and methylation scores that can be used to evaluate early-life risk factors for health outcomes across the life span.
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Affiliation(s)
- Rose Schrott
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Ashley Song
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Christine Ladd-Acosta
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.
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Transposable Elements and Human Diseases: Mechanisms and Implication in the Response to Environmental Pollutants. Int J Mol Sci 2022; 23:ijms23052551. [PMID: 35269693 PMCID: PMC8910135 DOI: 10.3390/ijms23052551] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 02/06/2023] Open
Abstract
Transposable elements (TEs) are recognized as major players in genome plasticity and evolution. The high abundance of TEs in the human genome, especially the Alu and Long Interspersed Nuclear Element-1 (LINE-1) repeats, makes them responsible for the molecular origin of several diseases. This involves several molecular mechanisms that are presented in this review: insertional mutation, DNA recombination and chromosomal rearrangements, modification of gene expression, as well as alteration of epigenetic regulations. This literature review also presents some of the more recent and/or more classical examples of human diseases in which TEs are involved. Whether through insertion of LINE-1 or Alu elements that cause chromosomal rearrangements, or through epigenetic modifications, TEs are widely implicated in the origin of human cancers. Many other human diseases can have a molecular origin in TE-mediated chromosomal recombination or alteration of gene structure and/or expression. These diseases are very diverse and include hemoglobinopathies, metabolic and neurological diseases, and common diseases. Moreover, TEs can also have an impact on aging. Finally, the exposure of individuals to stresses and environmental contaminants seems to have a non-negligible impact on the epigenetic derepression and mobility of TEs, which can lead to the development of diseases. Thus, improving our knowledge of TEs may lead to new potential diagnostic markers of diseases.
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Chlordecone: development of a physiologically based pharmacokinetic tool to support human health risks assessments. Arch Toxicol 2022; 96:1009-1019. [PMID: 35122515 PMCID: PMC8921106 DOI: 10.1007/s00204-022-03231-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/19/2022] [Indexed: 11/11/2022]
Abstract
Chlordecone (CD; Kepone™) is a carcinogenic organochlorine insecticide with neurological, reproductive, and developmental toxicity that was widely used in the French West Indies (FWI) from 1973 to 1993 to fight banana weevils. Although CD has not been used there for more than 25 years, it still persists in the environment and has polluted the waterways and soil of current and older banana fields. Today, human exposure to CD in the FWI mainly arises from consuming contaminated foodstuffs. The aims of this study were to develop a physiologically based pharmacokinetic (PBPK) model in the rat and extrapolate it to humans based on available pharmacokinetic data in the literature. A comparison of simulations using the rat model with published experimental datasets showed reasonable predictability for single and repetitive doses, and, thus, it was extrapolated to humans. The human PBPK model, which has seven compartments, is able to simulate the blood concentrations of CD in human populations and estimate the corresponding external dose using the reverse dosimetry approach. The human PBPK model will make it possible to improve quantitative health risk assessments for CD contamination and reassess the current chronic toxicological reference values to protect the FWI population.
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