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Wang Y, Zheng AN, Yang H, Wang Q, Dai B, Wang JJ, Wan YT, Liu ZB, Liu SY. Olfactory Three-Needle Electroacupuncture Improved Synaptic Plasticity and Gut Microbiota of SAMP8 Mice by Stimulating Olfactory Nerve. Chin J Integr Med 2024; 30:729-741. [PMID: 37999886 DOI: 10.1007/s11655-023-3614-3] [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] [Accepted: 06/07/2023] [Indexed: 11/25/2023]
Abstract
OBJECTIVE To investigate the effects and mechanisms of olfactory three-needle (OTN) electroacupuncture (EA) stimulation of the olfactory system on cognitive dysfunction, synaptic plasticity, and the gut microbiota in senescence-accelerated mouse prone 8 (SAMP8) mice. METHODS Thirty-six SAMP8 mice were randomly divided into the SAMP8 (P8), SAMP8+OTN (P8-OT), and SAMP8+nerve transection+OTN (P8-N-OT) groups according to a random number table (n=12 per group), and 12 accelerated senescence-resistant (SAMR1) mice were used as the control (R1) group. EA was performed at the Yintang (GV 29) and bilateral Yingxiang (LI 20) acupoints of SAMP8 mice for 4 weeks. The Morris water maze test, transmission electron microscopy, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) staining, Nissl staining, Golgi staining, Western blot, and 16S rRNA sequencing were performed, respectively. RESULTS Compared with the P8 group, OTN improved the cognitive behavior of SAMP8 mice, inhibited neuronal apoptosis, increased neuronal activity, and attenuated hippocampal synaptic dysfunction (P<0.05 or P<0.01). Moreover, the expression levels of synaptic plasticity-related proteins N-methyl-D-aspartate receptor 1 (NMDAR1), NMDAR2B, synaptophysin (SYN), and postsynaptic density protein-95 (PSD95) in hippocampus were increased by OTN treatment (P<0.05 or P<0.01). Furthermore, OTN greatly enhanced the brain-derived neurotrophic factor (BDNF)/cAMP-response element binding (CREB) signaling and phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/AKT/mTOR) signaling compared with the P8 group (P<0.05 or P<0.01). However, the neuroprotective effect of OTN was attenuated by olfactory nerve truncation. Compared with the P8 group, OTN had a very limited effect on the fecal microbial structure and composition of SAMP8 mice, while specifically increased the genera Oscillospira and Sutterella (P<0.05). Interestingly, the P8-N-OT group showed an abnormal fecal microbiota with higher microbial α-diversity, Firmicutes/Bacteroidetes ratio and pathogenic bacteria (P<0.05 or P<0.01). CONCLUSIONS OTN improved cognitive deficits and hippocampal synaptic plasticity by stimulating the olfactory nerve and activating the BDNF/CREB and PI3K/AKT/mTOR signaling pathways. Although the gut microbiota was not the main therapeutic target of OTN for Alzheimer's disease, the olfactory nerve was essential to maintain the homeostasis of gut microbiota.
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Affiliation(s)
- Yuan Wang
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
- Shaanxi Key Laboratory of Acupuncture and Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - A-Ni Zheng
- Shaanxi Key Laboratory of Acupuncture and Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
- The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712000, China
| | - Huan Yang
- Department of Traditional Chinese Medicine, Baotou Medical College, Baotou, Inner Mongolia Autonomous Region, 014040, China
| | - Qiang Wang
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
- Shaanxi Key Laboratory of Acupuncture and Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - Biao Dai
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - Jia-Ju Wang
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - Yi-Tong Wan
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - Zhi-Bin Liu
- College of Acu-moxibustion and Massage, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
- Shaanxi Key Laboratory of Acupuncture and Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, 712046, China
| | - Si-Yang Liu
- School of Basic Medical Sciences, Xi'an Medical University, Xi'an, 710021, China.
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Ricci EL, Zaccarelli-Magalhães J, Pantaleon LP, De-Paula LR, Ribeiro GM, Abreu GR, Muñoz JWP, Mendonça M, Fukushima AR, Spinosa HS. Peripubertal exposure of atrazine cause decrease in exploratory activity, deficits in sociability and few alterations on brain monoaminergic systems of rats. Toxicol Appl Pharmacol 2024; 483:116819. [PMID: 38215996 DOI: 10.1016/j.taap.2024.116819] [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: 10/16/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
Atrazine is a pesticide used to control weeds in both in pre- and post-emergence crops. The chronic exposure to atrazine can lead to severe damage in animals, especially in the endocrine and reproduction systems, leading to the inclusion of this pesticide into the endocrine disrupting chemicals group. Studies with rats showed that atrazine exposure during lactation in dams caused changes in the juvenile offspring, however; there is still limited information regarding the effects of atrazine during puberty. Thus, the aim of this study is to evaluate the effects of peripubertal exposure of atrazine in rats, assessing motor activity, social behavior and neurochemical alterations. Juvenile rats were treated with different doses of atrazine (0, 10, 30 or 100 mg/kg) by gavage from postnatal day 22 to 41. Behavioral tests were conducted for the evaluation of motor activity and social behavior, and neurochemical evaluation was done in order to assess monoamine levels. Atrazine caused behavioral alterations, evidenced by decrease in the exploratory activity (p values variation between 0.05 and 0.0001) and deficits in the social behavior of both male and females as adults (p values variation between 0.01 and 0.0001). As for the monoaminergic neurotransmission, atrazine led to very few alterations on the dopamine and serotonin systems that were limited to the females (p < 0.05). Altogether, the results suggests that peripubertal exposure of atrazine cause behavioral and neurochemical alterations. More studies need to be conducted to fully understand the differences in atrazine's effects and its use should be considered carefully.
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Affiliation(s)
- Esther L Ricci
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil; Health Science Institute, Presbyterian Mackenzie University, Rua da Consolação, 930, 01302-907 São Paulo, Brazil; School of Health Sciences IGESP, Rua da Consolação, 1025, 01301-000 São Paulo, Brazil
| | - Julia Zaccarelli-Magalhães
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil.
| | - Lorena P Pantaleon
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil; Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Leonardo R De-Paula
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Guilherme M Ribeiro
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Gabriel R Abreu
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Juliana W P Muñoz
- Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Marcelo Mendonça
- Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - André R Fukushima
- School of Health Sciences IGESP, Rua da Consolação, 1025, 01301-000 São Paulo, Brazil; Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Helenice S Spinosa
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
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3
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Ranieri A, Mennitti C, Falcone N, La Monica I, Di Iorio MR, Tripodi L, Gentile A, Vitale M, Pero R, Pastore L, D’Argenio V, Scudiero O, Lombardo B. Positive effects of physical activity in autism spectrum disorder: how influences behavior, metabolic disorder and gut microbiota. Front Psychiatry 2023; 14:1238797. [PMID: 38025444 PMCID: PMC10681626 DOI: 10.3389/fpsyt.2023.1238797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/25/2023] [Indexed: 12/01/2023] Open
Abstract
Autism spectrum disorder is a neurodevelopmental disorder characterized by social interactions and communication skills impairments that include intellectual disabilities, communication delays and self-injurious behaviors; often are present systemic comorbidities such as gastrointestinal disorders, obesity and cardiovascular disease. Moreover, in recent years has emerged a link between alterations in the intestinal microbiota and neurobehavioral symptoms in children with autism spectrum disorder. Recently, physical activity and exercise interventions are known to be beneficial for improving communication and social interaction and the composition of microbiota. In our review we intend to highlight how different types of sports can help to improve communication and social behaviors in children with autism and also show positive effects on gut microbiota composition.
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Affiliation(s)
| | - Cristina Mennitti
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Noemi Falcone
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Ilaria La Monica
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Maria Rosaria Di Iorio
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Lorella Tripodi
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Alessandro Gentile
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Maria Vitale
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
| | - Raffaella Pero
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Lucio Pastore
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
| | - Valeria D’Argenio
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Human Sciences and Quality of Life Promotion, San Raffaele Open University, Rome, Italy
| | - Olga Scudiero
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
| | - Barbara Lombardo
- CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Naples, Italy
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Ahkin Chin Tai JK, Horzmann KA, Jenkins TL, Akoro IN, Stradtman S, Aryal UK, Freeman JL. Adverse developmental impacts in progeny of zebrafish exposed to the agricultural herbicide atrazine during embryogenesis. ENVIRONMENT INTERNATIONAL 2023; 180:108213. [PMID: 37774458 PMCID: PMC10613503 DOI: 10.1016/j.envint.2023.108213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
Atrazine (ATZ) is an herbicide commonly used on crops in the Midwestern US and other select global regions. The US Environmental Protection Agency ATZ regulatory limit is 3 parts per billion (ppb; µg/L), but this limit is often exceeded. ATZ has a long half-life, is a common contaminant of drinking water sources, and is indicated as an endocrine disrupting chemical in multiple species. The zebrafish was used to test the hypothesis that an embryonic parental ATZ exposure alters protein levels leading to modifications in morphology and behavior in developing progeny. Zebrafish embryos (F1) were collected from adults (F0) exposed to 0, 0.3, 3, or 30 ppb ATZ during embryogenesis. Differential proteomics, morphology, and behavior assays were completed with offspring aged 120 or 144 h with no additional chemical treatment. Proteomic analysis identified differential expression of proteins associated with neurological development and disease; and organ and organismal morphology, development, and injury, specifically the skeletomuscular system. Head length and ratio of head length to total length was significantly increased in the F1 of 0.3 and 30 ppb ATZ groups (p < 0.05). Based on molecular pathway alterations, further craniofacial morphology assessment found decreased distance for cartilaginous structures, decreased surface area and distance between saccular otoliths, and a more posteriorly positioned notochord (p < 0.05), indicating delayed ossification and skeletal growth. The visual motor response assay showed hyperactivity in progeny of the 30 ppb treatment group for distance moved and of the 0.3 and 30 ppb treatment groups for time spent moving (p < 0.05). Due to the changes in saccular otoliths, an acoustic startle assay was completed and showed decreased response in the 0.3 and 30 ppb treatments (p < 0.05). These findings suggest that a single embryonic parental exposure alters cellular pathways in their progeny that lead to perturbations in craniofacial development and behavior.
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Affiliation(s)
| | - Katharine A Horzmann
- School of Health Sciences, Purdue University, West Lafayette, IN, USA; Department of Pathobiology, Auburn University, Auburn, AL, USA
| | - Thomas L Jenkins
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
| | - Isabelle N Akoro
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Sydney Stradtman
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Uma K Aryal
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA; Bindley Bioscience Center, Discovery Park, Purdue University, West Lafayette, IN, USA
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Das S, Sakr H, Al-Huseini I, Jetti R, Al-Qasmi S, Sugavasi R, Sirasanagandla SR. Atrazine Toxicity: The Possible Role of Natural Products for Effective Treatment. PLANTS (BASEL, SWITZERLAND) 2023; 12:2278. [PMID: 37375903 DOI: 10.3390/plants12122278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023]
Abstract
There are various herbicides which were used in the agriculture industry. Atrazine (ATZ) is a chlorinated triazine herbicide that consists of a ring structure, known as the triazine ring, along with a chlorine atom and five nitrogen atoms. ATZ is a water-soluble herbicide, which makes it capable of easily infiltrating into majority of the aquatic ecosystems. There are reports of toxic effects of ATZ on different systems of the body but, unfortunately, majority of these scientific reports were documented in animals. The herbicide was reported to enter the body through various routes. The toxicity of the herbicide can cause deleterious effects on the respiratory, reproductive, endocrine, central nervous system, gastrointestinal, and urinary systems of the human body. Alarmingly, few studies in industrial workers showed ATZ exposure leading to cancer. We embarked on the present review to discuss the mechanism of action of ATZ toxicity for which there is no specific antidote or drug. Evidence-based published literature on the effective use of natural products such as lycopene, curcumin, Panax ginseng, Spirulina platensis, Fucoidans, vitamin C, soyabeans, quercetin, L-carnitine, Telfairia occidentalis, vitamin E, Garcinia kola, melatonin, selenium, Isatis indigotica, polyphenols, Acacia nilotica, and Zingiber officinale were discussed in detail. In the absence of any particular allopathic drug, the present review may open the doors for future drug design involving the natural products and their active compounds.
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Affiliation(s)
- Srijit Das
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Hussein Sakr
- Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Isehaq Al-Huseini
- Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Raghu Jetti
- Department of Basic Medical Sciences, College of Applied Medical Sciences, King Khalid University, Abha 62521, Saudi Arabia
| | - Sara Al-Qasmi
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Raju Sugavasi
- Department of Anatomy, Fathima Institute of Medical Sciences, Kadapa 516003, India
| | - Srinivasa Rao Sirasanagandla
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
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Lycopene ameliorates atrazine-induced spatial learning and memory impairments by inhibiting ferroptosis in the hippocampus of mice. Food Chem Toxicol 2023; 174:113655. [PMID: 36791905 DOI: 10.1016/j.fct.2023.113655] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 01/27/2023] [Accepted: 02/06/2023] [Indexed: 02/16/2023]
Abstract
Atrazine (ATR) is a commercially available herbicide that is used worldwide. The intensive use of ATR poses potential risks to animals' and humans' health. Lycopene (LYC) is an anti-oxidative phytochemical that normalizes health hazards triggered by environmental factors. In this study, we aimed to investigate the toxic effects of ATR on the hippocampus and its amelioration by LYC. Male mice were exposed to ATR (50 mg/kg/day or 200 mg/kg/d) and/or LYC (5 mg/kg/d) for 21 days. The results showed that ATR exposure induced hippocampus-dependent learning and memory impairments. ATR-induced ferroptosis in hippocampal cells affects the homeostasis of lipid metabolism, whereas LYC ameliorates the neurotoxic effects of ATR in the hippocampus. LYC inhibited ATR-induced ferroptosis by increasing the expression of HO-1, Nrf2 and SLC7A11. Therefore, this study established that LYC ameliorates ATR-induced spatial learning and memory impairments by inhibiting ferroptosis in the hippocampus and also provides a novel approach for the treatment in contradiction of environmental pollutants.
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Zhang Y, Zhou Q, Lu L, Su Y, Shi W, Zhang H, Liu R, Pu Y, Yin L. Copper Induces Cognitive Impairment in Mice via Modulation of Cuproptosis and CREB Signaling. Nutrients 2023; 15:nu15040972. [PMID: 36839332 PMCID: PMC9958748 DOI: 10.3390/nu15040972] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 02/18/2023] Open
Abstract
It has been reported that disordered Cu metabolism is associated with several neurodegenerative diseases, including Alzheimer's disease (AD) and Parkinson's disease (PD). However, the underlying mechanism is still unclear. In this study, 4-week-old male mice were exposed to Cu by free-drinking water for three months. Then, the effects of Cu on cognitive functions in mice were tested by Morris water maze tests, and the potential mechanisms were investigated by the ELISA, immunochemistry, TUNEL, and Western blot tests. It was found that Cu exacerbates learning and memory impairment, and leads to Cu-overload in the brain and urine of mice. The results showed that Cu induces neuronal degeneration and oxidative damage, promotes the expression of apoptosis-related protein Bax, cuproptosis-related proteins FDX1 and DLAT and the proteotoxic stress marker HSP70, and decreases Fe-S cluster proteins. In addition, Cu affects the pre-synaptic and post-synaptic regulatory mechanisms through inhibiting the expression of PSD-95 and SYP. Cu also suppresses phosphorylation levels in CREB and decreases the expression of BDNF and TrkB in the mouse hippocampus. In conclusion, Cu might mediate cuproptosis, damage synaptic plasticity and inhibit the CREB/BDNF pathway to cause cognitive dysfunction in mice.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Lihong Yin
- Correspondence: ; Tel.: +86-025-8327-2583; Fax: +86-025-8327-2583
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Yin J, Hong X, Wang J, Li W, Shi Y, Wang D, Liu R. DNA methylation 6 mA and histone methylation involved in multi-/trans-generational reproductive effects in Caenorhabditis elegans induced by Atrazine. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114348. [PMID: 36508798 DOI: 10.1016/j.ecoenv.2022.114348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Atrazine (ATR), a widely used triazine herbicide, is an environmental endocrine disruptor that can cause health problems. However, whether there are multi/trans-generational reproductive impacts of ATR have not been studied. Therefore, in this study, Caenorhabditis elegans was used as a preferable model organism to identify the multi/trans-generational reproductive toxicity of ATR. Only parental C.elegans (P0) were exposed to different concentrations (0.0004-40 mg/L) for 48 h and the subsequent offspring (F1-F5) were grown under ATR-free conditions and ATR conditions.The results showed that ATR exposure during P0 decreased fecundity, including a reduction in fertilized eggs, oocytes, and ovulation rate, delayed gonadal development, and decreased the relative area of gonad arm and germ cell number. Furthermore, continuous ATR exposure (P0-F5) causes a significant increase in reproductive toxicity in subsequent generations, although no significant toxicity occurred in the P0 generation after exposure to environmental-related concentrations, suggesting that ATR exposure might have cumulative effects. Likewise, parental exposure to ATR caused transgenerational toxicity impairments. Interestingly, only reproductive toxicity, not development toxicity, was transmitted to several generations (F1-F4), and the F2 generation showed the most notable changes. QRT-PCR results showed that genes expression related to DNA methylation 6 mA (damt-1, nmad-1) and histone H3 methylation (mes-4, met-2, set-25, set-2, and utx-1) can also be passed on to offspring. The function of H3K4 and H3K9 methylation were explored by using loss-of-function mutants for set-2, set-25, and met-2. Transmissible reproductive toxicity was absent in met-2(n4256), set-2(ok952), and set-25(n5021) mutants, which suggests that the histone methyltransferases H3K4 and H3K9 activity are indispensable for the transgenerational effect of ATR. Finally, the downstream genes of DNA methylation and histone H3 methylation were determined. ATR upregulated the expression of ZC317.7, hsp-6, and hsp-60. Mitochondrial stress in parental generation dependent transcription 6 mA modifiers may establish these epigenetic marks in progeny.
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Affiliation(s)
- Jiechen Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xiang Hong
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jia Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Weixi Li
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Yingchi Shi
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Dayong Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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Xu D, Meng Y, An S, Meng W, Li H, Zhang W, Xue Y, Lan X, Wang X, Li M, Zhang X, Zhihao Z, Zhao Y, Yang H, Zhang C, Zhang R, Zhen Z. Swimming exercise is a promising early intervention for autism-like behavior in Shank3 deletion rats. CNS Neurosci Ther 2022; 29:78-90. [PMID: 36221783 PMCID: PMC9804047 DOI: 10.1111/cns.13920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/14/2022] [Accepted: 06/20/2022] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION SHANK3 is an important excitatory postsynaptic scaffold protein, and its mutations lead to genetic cause of neurodevelopmental diseases including autism spectrum disorders (ASD), Philan McDermid syndrome (PMS), and intellectual disability (ID). Early prevention and treatment are important for Shank3 gene mutation disease. Swimming has been proven to have a positive effect on neurodegenerative diseases. METHODS Shank3 gene exon 11-21 knockout rats were intervened by a 40 min/day, 5 day/week for 8-week protocol. After the intervention, the rats were tested to behavioral measures such as learning and memory, and the volume and H-spectrum of the brain were measured using MRI; hippocampal dendritic spines were measured using Golgi staining and laser confocal. RESULTS The results showed that Shank3-deficient rats had significant deficits in social memory, object recognition, and water maze learning decreased hippocampal volume and number of neurons, and lower levels of related scaffold proteins and receptor proteins were found in Shank3-deficient rats. CONCLUSION It is suggested that early swimming exercise has a positive effect on Shank3 gene-deficient rats, which provides a new therapeutic strategy for the prevention and recovery of neurodevelopmental disorders.
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Affiliation(s)
- Dan Xu
- College of P.E and SportsBeijing Normal UniversityBeijingChina,Sports and Health Editorial OfficePeople's education pressBeijingChina
| | - Yunchen Meng
- Department of P.E.China University of Mining and Technology‐BeijingBeijingChina
| | - Shasha An
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Wenshu Meng
- College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Hanran Li
- Centre for Cognitive and Brain Sciences and Department of PsychologyUniversity of MacauTaipaMacau
| | - Weinan Zhang
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Yaqi Xue
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Xinyu Lan
- Department of Neurobiology, School of Basic Medical SciencesPeking UniversityBeijingChina,Neuroscience Research InstitutePeking UniversityBeijingChina,Key Laboratory for Neuroscience, Ministry of Education/National Health and Family Planning CommissionPeking UniversityBeijingChina,Autism Research Center of Peking University Health Science CenterBeijingChina
| | - Xiaoxi Wang
- Institute of Acupuncture and MoxibustionChina Academy of Chinese Medical SciencesBeijingChina
| | - Mingjuan Li
- Department of Neurobiology, School of Basic Medical SciencesPeking UniversityBeijingChina,Neuroscience Research InstitutePeking UniversityBeijingChina,Key Laboratory for Neuroscience, Ministry of Education/National Health and Family Planning CommissionPeking UniversityBeijingChina,Autism Research Center of Peking University Health Science CenterBeijingChina
| | - Xiaoyan Zhang
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Zhang Zhihao
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Yu Zhao
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Haodong Yang
- College of P.E and SportsBeijing Normal UniversityBeijingChina
| | - Chen Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Advanced Innovation Center for Human Brain ProtectionCapital Medical UniversityBeijingChina
| | - Rong Zhang
- Department of Neurobiology, School of Basic Medical SciencesPeking UniversityBeijingChina,Neuroscience Research InstitutePeking UniversityBeijingChina,Key Laboratory for Neuroscience, Ministry of Education/National Health and Family Planning CommissionPeking UniversityBeijingChina,Autism Research Center of Peking University Health Science CenterBeijingChina,Department of Integration of Chinese and Western MedicineSchool of Basic Medical Sciences, Peking UniversityBeijingChina
| | - Zhiping Zhen
- College of P.E and SportsBeijing Normal UniversityBeijingChina
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10
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Reyes-Bravo DY, Villalobos-Aguilera P, Almonte-Zepeda JT, Mendoza-Trejo MS, Giordano M, Orozco A, Rodríguez VM. Chronic atrazine exposure increases the expression of genes associated with GABAergic and glutamatergic systems in the brain of male albino rat. FRONTIERS IN TOXICOLOGY 2022; 4:933300. [PMID: 36071823 PMCID: PMC9441881 DOI: 10.3389/ftox.2022.933300] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/19/2022] [Indexed: 11/24/2022] Open
Abstract
The herbicide atrazine (ATR; 2-chloro-4-ethylamino-6-isopropylamino-s-triazine) is widely used to destroy grasses and broadleaf weeds in crops and some fruits. Studies in rodents have shown that acute, repeated or chronic exposure to ATR is associated with alterations in the nigrostriatal dopaminergic pathway, whereas its effects on GABAergic and glutamatergic pathways have only recently been reported. Sprague-Dawley male rats were exposed daily to 1 or 10 mg ATR/kg of BW for 13 months to evaluate the ATR effects on GABAergic and glutamatergic systems. At the end of the ATR treatment, the levels of mRNA of several genes involved in the production, vesiculation, reuptake, and receptors of GABA and Glu in the striatum (STR), nucleus accumbens (NAcc), prefrontal cortex (PFC), ventral midbrain (vMID) and hippocampus (HIPP) were evaluated by absolute qPCR. For the GABAergic genes, increased expression of GAD67 and Slc32a1 in STR and/or vMID in rats exposed to 1 and/or 10 mg ATR were detected. With regard to the expression of genes involved in the glutamatergic system, Slc17a6 and Grin1 in HIPP of rats exposed to 1 and/or 10 mg ATR, increased as was Gria1 in STR and PFC in the group exposed to 1 mg ATR. In the same fashion, Slc1a3 expression and MGLUR1 increased in STR of rats exposed to 1 and 10 mg ATR groups. The expression of the glutaminases gls (variants 1 and 2) was greater in STR, NAcc, HIPP, and PFC of rats exposed to 1 and/or 10 mg ATR. These findings show that the GABAergic and, especially glutamatergic systems are targets of ATR exposure.
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Affiliation(s)
- D. Y. Reyes-Bravo
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - P. Villalobos-Aguilera
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - J. T. Almonte-Zepeda
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - M. S. Mendoza-Trejo
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - M. Giordano
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - A. Orozco
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - V. M. Rodríguez
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
- *Correspondence: V. M. Rodríguez,
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11
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Sadeghnia H, Shahba S, Ebrahimzadeh-Bideskan A, Mohammadi S, Malvandi AM, Mohammadipour A. Atrazine neural and reproductive toxicity. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1966637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hamidreza Sadeghnia
- Department of Pharmacology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Neurocognitive Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Shahba
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Shabnam Mohammadi
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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12
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Pinos H, Carrillo B, Merchán A, Biosca-Brull J, Pérez-Fernández C, Colomina MT, Sánchez-Santed F, Martín-Sánchez F, Collado P, Arias JL, Conejo NM. Relationship between Prenatal or Postnatal Exposure to Pesticides and Obesity: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18137170. [PMID: 34281107 PMCID: PMC8295932 DOI: 10.3390/ijerph18137170] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 06/23/2021] [Accepted: 06/30/2021] [Indexed: 12/11/2022]
Abstract
In recent years, the worldwide prevalence of overweight and obesity among adults and children has dramatically increased. The conventional model regarding the onset of obesity is based on an imbalance between energy intake and expenditure. However, other possible environmental factors involved, such as the exposure to chemicals like pesticides, cannot be discarded. These compounds could act as endocrine-disrupting chemicals (EDC) that may interfere with hormone activity related to several mechanisms involved in body weight control. The main objective of this study was to systematically review the data provided in the scientific literature for a possible association between prenatal and postnatal exposure to pesticides and obesity in offspring. A total of 25 human and 9 animal studies were analyzed. The prenatal, perinatal, and postnatal exposure to organophosphate, organochlorine, pyrethroid, neonicotinoid, and carbamate, as well as a combined pesticide exposure was reviewed. This systematic review reveals that the effects of pesticide exposure on body weight are mostly inconclusive, finding conflicting results in both humans and experimental animals. The outcomes reviewed are dependent on many factors, including dosage and route of administration, species, sex, and treatment duration. More research is needed to effectively evaluate the impact of the combined effects of different pesticides on human health.
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Affiliation(s)
- Helena Pinos
- Department of Psychobiology, Faculty of Psychology, National Distance Education University (UNED), 28040 Madrid, Spain; (B.C.); (P.C.)
- Joint Research Institute-UNED-Instituto de Salud Carlos III (IMIENS), 28029 Madrid, Spain;
- Correspondence: (H.P.); (N.M.C.)
| | - Beatriz Carrillo
- Department of Psychobiology, Faculty of Psychology, National Distance Education University (UNED), 28040 Madrid, Spain; (B.C.); (P.C.)
- Joint Research Institute-UNED-Instituto de Salud Carlos III (IMIENS), 28029 Madrid, Spain;
| | - Ana Merchán
- Department of Psychology and Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (A.M.); (C.P.-F.); (F.S.-S.)
| | - Judit Biosca-Brull
- Research in Neurobehavior and Health (NEUROLAB), Universitat Rovira i Virgili, 43007 Tarragona, Spain; (J.B.-B.); (M.T.C.)
- Department of Psychology and Research Center for Behavior Assessment (CRAMC), Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Cristian Pérez-Fernández
- Department of Psychology and Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (A.M.); (C.P.-F.); (F.S.-S.)
| | - María Teresa Colomina
- Research in Neurobehavior and Health (NEUROLAB), Universitat Rovira i Virgili, 43007 Tarragona, Spain; (J.B.-B.); (M.T.C.)
- Department of Psychology and Research Center for Behavior Assessment (CRAMC), Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Fernando Sánchez-Santed
- Department of Psychology and Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (A.M.); (C.P.-F.); (F.S.-S.)
| | - Fernando Martín-Sánchez
- Joint Research Institute-UNED-Instituto de Salud Carlos III (IMIENS), 28029 Madrid, Spain;
- National School of Public Health, Institute of Health Carlos III, University Institute of Research-UNED-Institute of Health Carlos III (IMIENS), 28029 Madrid, Spain
| | - Paloma Collado
- Department of Psychobiology, Faculty of Psychology, National Distance Education University (UNED), 28040 Madrid, Spain; (B.C.); (P.C.)
- Joint Research Institute-UNED-Instituto de Salud Carlos III (IMIENS), 28029 Madrid, Spain;
| | - Jorge L. Arias
- Laboratory of Neuroscience, Department of Psychology, Instituto de Neurociencias del Principado de Asturias (INEUROPA), University of Oviedo, 33003 Oviedo, Spain;
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
| | - Nélida M. Conejo
- Laboratory of Neuroscience, Department of Psychology, Instituto de Neurociencias del Principado de Asturias (INEUROPA), University of Oviedo, 33003 Oviedo, Spain;
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
- Correspondence: (H.P.); (N.M.C.)
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13
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Chang J, Liang C, Wang W, Yong L, Mao W, Yang H, Jia X, Liu Z, Song Y. Toxic effects of atrazine on immune function in BALB/c mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:37978-37994. [PMID: 33728608 DOI: 10.1007/s11356-021-13360-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 03/04/2021] [Indexed: 06/12/2023]
Abstract
This study was aimed to evaluate the toxic effects of different concentrations (23, 90, 360 mg/kg BW) of atrazine (ATZ) on immune function in BALB/c mice. Some parameters of general immunotoxicity, humoral immunity, cellular immunity, and non-specific immunity were tested. The studies showed that the high-dose ATZ induced a significant reduction in the final body weight of mice, the absolute and relative weights of spleen, the counts of white blood cell (WBC), lymphocyte (LYM), monocyte (MON), and the number of splenocyte. An increase in the level of alanine aminotransferase (ALT), aspartate aminotransferase (AST), blood urea nitrogen (BUN), and cholesterol (CHO) in the high-dose ATZ group was observed. Pathological examination showed that the medium- and high-doses of ATZ caused atrophy and destruction of thymus, spleen, and hepatorenal toxicity. The serum interleukin-5(IL-5) level of mice and the number of plaque-forming cell (PFC) in spleen cells in the high-dose ATZ group decreased significantly while there was a significant increase of the serum immunoglobulin G (IgG) in the high-dose ATZ group when compared to the negative control group. In the high-dose ATZ group, the proliferation ability of T and B lymphocytes as well as the delayed-type hypersensitivity (DTH) response were significantly decreased. The low-dose ATZ (23 mg/kg BW) caused a significant decrease in the number of WBC and neutrophil (NEUT), as well as the proportion of polychromatic and normoblast. In summary, we thought the low-dose ATZ has a slight effect on the immune system; it can be preliminarily concluded that the lowest observed adverse effect level (LOAEL) of atrazine is 23 mg/kg BW in mice. Atrazine can cause immunotoxicity mainly through cellular and humoral immunity pathways.
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Affiliation(s)
- Jiongjiong Chang
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
- Ningxia Medical University, Yinchuan, 750001, China
| | - Chunlai Liang
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Wei Wang
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Ling Yong
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Weifeng Mao
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Hui Yang
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Xudong Jia
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Zhaoping Liu
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China
| | - Yan Song
- Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, China National Center for Food Safety Risk Assessment, 37 Guangqu Road Building 2, Beijing, 100022, China.
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14
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Thorson JLM, Beck D, Ben Maamar M, Nilsson EE, McBirney M, Skinner MK. Epigenome-wide association study for atrazine induced transgenerational DNA methylation and histone retention sperm epigenetic biomarkers for disease. PLoS One 2020; 15:e0239380. [PMID: 33326428 PMCID: PMC7743986 DOI: 10.1371/journal.pone.0239380] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/07/2020] [Indexed: 12/11/2022] Open
Abstract
Atrazine is a common agricultural herbicide previously shown to promote epigenetic transgenerational inheritance of disease to subsequent generations. The current study was designed as an epigenome-wide association study (EWAS) to identify transgenerational sperm disease associated differential DNA methylation regions (DMRs) and differential histone retention regions (DHRs). Gestating female F0 generation rats were transiently exposed to atrazine during the period of embryonic gonadal sex determination, and then subsequent F1, F2, and F3 generations obtained in the absence of any continued exposure. The transgenerational F3 generation males were assessed for disease and sperm collected for epigenetic analysis. Pathology was observed in pubertal onset and for testis disease, prostate disease, kidney disease, lean pathology, and multiple disease. For these pathologies, sufficient numbers of individual males with only a single specific disease were identified. The sperm DNA and chromatin were isolated from adult one-year animals with the specific diseases and analyzed for DMRs with methylated DNA immunoprecipitation (MeDIP) sequencing and DHRs with histone chromatin immunoprecipitation (ChIP) sequencing. Transgenerational F3 generation males with or without disease were compared to identify the disease specific epimutation biomarkers. All pathologies were found to have disease specific DMRs and DHRs which were found to predominantly be distinct for each disease. No common DMRs or DHRs were found among all the pathologies. Epimutation gene associations were identified and found to correlate to previously known disease linked genes. This is one of the first observations of potential sperm disease biomarkers for histone retention sites. Although further studies with expanded animal numbers are required, the current study provides evidence the EWAS analysis is effective for the identification of potential pathology epimutation biomarkers for disease susceptibility.
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Affiliation(s)
- Jennifer L. M. Thorson
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Daniel Beck
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Millissia Ben Maamar
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Eric E. Nilsson
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Margaux McBirney
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Michael K. Skinner
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
- * E-mail:
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