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Lauby SC, Lapp HE, Salazar M, Semyrenko S, Chauhan D, Margolis AE, Champagne FA. Postnatal maternal care moderates the effects of prenatal bisphenol exposure on offspring neurodevelopmental, behavioral, and transcriptomic outcomes. PLoS One 2024; 19:e0305256. [PMID: 38861567 PMCID: PMC11166292 DOI: 10.1371/journal.pone.0305256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 05/28/2024] [Indexed: 06/13/2024] Open
Abstract
Bisphenols (BP), including BPA and "BPA-free" structural analogs, are commonly used plasticizers that are present in many plastics and are known endocrine disrupting chemicals. Prenatal exposure to BPA has been associated with negative neurodevelopmental and behavioral outcomes in children and in rodent models. Prenatal BPA exposure has also been shown to impair postnatal maternal care provisioning, which can also affect offspring neurodevelopment and behavior. However, there is limited knowledge regarding the biological effects of prenatal exposure to bisphenols other than BPA and the interplay between prenatal bisphenol exposure and postnatal maternal care on adult behavior. The purpose of the current study was to determine the interactive impact of prenatal bisphenol exposure and postnatal maternal care on neurodevelopment and behavior in rats. Our findings suggest that the effects of prenatal bisphenol exposure on eye-opening, adult attentional set shifting and anxiety-like behavior in the open field are dependent on maternal care in the first five days of life. Interestingly, maternal care might also attenuate the effects of prenatal bisphenol exposure on eye opening and adult attentional set shifting. Finally, transcriptomic profiles in male and female medial prefrontal cortex and amygdala suggest that the interactive effects of prenatal bisphenol exposure and postnatal maternal care converge on estrogen receptor signaling and are involved in biological processes related to gene expression and protein translation and synthesis. Overall, these findings indicate that postnatal maternal care plays a critical role in the expression of the effects of prenatal bisphenol exposure on neurodevelopment and adult behavior. Understanding the underlying biological mechanisms involved might allow us to identify potential avenues to mitigate the adverse effects of prenatal bisphenol exposure and improve health and well-being in human populations.
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Affiliation(s)
- Samantha C. Lauby
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
- Center for Molecular Carcinogenesis and Toxicology, University of Texas at Austin, Austin, Texas, United States of America
| | - Hannah E. Lapp
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Melissa Salazar
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Sofiia Semyrenko
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Danyal Chauhan
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
| | - Amy E. Margolis
- Department of Psychiatry, Columbia University Irving Medical Center, New York City, New York, United States of America
| | - Frances A. Champagne
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, Texas, United States of America
- Center for Molecular Carcinogenesis and Toxicology, University of Texas at Austin, Austin, Texas, United States of America
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2
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Puska G, Szendi V, Dobolyi A. Lateral septum as a possible regulatory center of maternal behaviors. Neurosci Biobehav Rev 2024; 161:105683. [PMID: 38649125 DOI: 10.1016/j.neubiorev.2024.105683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
The lateral septum (LS) is involved in controlling anxiety, aggression, feeding, and other motivated behaviors. Lesion studies have also implicated the LS in various forms of caring behaviors. Recently, novel experimental tools have provided a more detailed insight into the function of the LS, including the specific role of distinct cell types and their neuronal connections in behavioral regulations, in which the LS participates. This article discusses the regulation of different types of maternal behavioral alterations using the distributions of established maternal hormones such as prolactin, estrogens, and the neuropeptide oxytocin. It also considers the distribution of neurons activated in mothers in response to pups and other maternal activities, as well as gene expressional alterations in the maternal LS. Finally, this paper proposes further research directions to keep up with the rapidly developing knowledge on maternal behavioral control in other maternal brain regions.
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Affiliation(s)
- Gina Puska
- Laboratory of Molecular and Systems Neurobiology, Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary; Department of Zoology, University of Veterinary Medicine Budapest, Budapest, Hungary
| | - Vivien Szendi
- Laboratory of Molecular and Systems Neurobiology, Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - Arpád Dobolyi
- Laboratory of Molecular and Systems Neurobiology, Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary; Laboratory of Neuromorphology, Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary.
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3
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Yan Y, Zheng X, Liu G, Shi G, Li C, Chen H, He X, Lin K, Deng Z, Zhang H, Li WG, Chen H, Tong X, Zhu Z. Gut microbiota-derived cholic acid mediates neonatal brain immaturity and white matter injury under chronic hypoxia. iScience 2024; 27:109633. [PMID: 38638560 PMCID: PMC11025012 DOI: 10.1016/j.isci.2024.109633] [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: 11/21/2023] [Revised: 02/18/2024] [Accepted: 03/26/2024] [Indexed: 04/20/2024] Open
Abstract
Chronic hypoxia, common in neonates, disrupts gut microbiota balance, which is crucial for brain development. This study utilized cyanotic congenital heart disease (CCHD) patients and a neonatal hypoxic rat model to explore the association. Both hypoxic rats and CCHD infants exhibited brain immaturity, white matter injury (WMI), brain inflammation, and motor/learning deficits. Through 16s rRNA sequencing and metabolomic analysis, a reduction in B. thetaiotaomicron and P. distasonis was identified, leading to cholic acid accumulation. This accumulation triggered M1 microglial activation and inflammation-induced WMI. Administration of these bacteria rescued cholic acid-induced WMI in hypoxic rats. These findings suggest that gut microbiota-derived cholic acid mediates neonatal WMI and brain inflammation, contributing to brain immaturity under chronic hypoxia. Therapeutic targeting of these bacteria provides a non-invasive intervention for chronic hypoxia patients.
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Affiliation(s)
- Yichen Yan
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Brain Science, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoli Zheng
- Songjiang Hospital and Songjiang Research Institute, Shanghai Key Laboratory of Emotions and Affective Disorders, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Brain Science, Shanghai Children’s Medical Center, Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gang Liu
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Guocheng Shi
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cong Li
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongtong Chen
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaomin He
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kana Lin
- Center for Brain Science, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Pharmacy, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhaohui Deng
- Department of Gastroenterology, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Zhang
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei-Guang Li
- Center for Brain Science, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Huiwen Chen
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoping Tong
- Songjiang Hospital and Songjiang Research Institute, Shanghai Key Laboratory of Emotions and Affective Disorders, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Brain Science, Shanghai Children’s Medical Center, Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhongqun Zhu
- Department of Cardiothoracic Surgery, Congenital Heart Center, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Brain Science, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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4
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Matsuda KI, Takahashi T, Morishita S, Tanaka M. Histological analysis of neuronal changes in the olfactory cortex during pregnancy. Heliyon 2024; 10:e26780. [PMID: 38444488 PMCID: PMC10912243 DOI: 10.1016/j.heliyon.2024.e26780] [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: 02/07/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
Fluctuations in olfactory sensitivity are widely known to occur during pregnancy and may be responsible for hyperemesis gravidarum. These changes are thought to be caused by structural and functional alterations in neurons in response to marked changes of the hormonal milieu. In this study, we examined changes in neurons in the olfactory cortex during pregnancy and after delivery in rats. Dendritic spine densities were measured in the piriform cortex (PIR) and posterolateral cortical amygdala (COApl), which are involved in olfaction. The results showed increased numbers of dendritic spines in the PIR in mid-pregnancy and in the COApl during early and late pregnancy, but not in the motor area of the cerebral cortex, indicating a correlation with changes in olfactory sensitivity during pregnancy. Immunohistochemical analysis of expression of ovarian hormone receptors in these brain regions revealed a decrease in the number of estrogen receptor α-positive cells during pregnancy in the PIR and during pregnancy and the postpartum period in the COApl. Regarding pregnancy-related peptide hormones, oxytocin receptors were expressed in the PIR and COApl, while prolactin receptors were not found in these regions. Accordingly, oxytocin-containing neurites were distributed in both regions. These results suggest that the balance of these hormonal signals has an effect on olfactory sensitivity in pregnant females.
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Affiliation(s)
- Ken Ichi Matsuda
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tomoki Takahashi
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Sae Morishita
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masaki Tanaka
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Bouguiyoud N, Xie WB, Bronchti G, Frasnelli J, Al Aïn S. Enhanced maternal behaviors in a mouse model of congenital blindness. Dev Psychobiol 2023; 65:e22406. [PMID: 37607896 DOI: 10.1002/dev.22406] [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: 07/18/2022] [Revised: 05/04/2023] [Accepted: 06/07/2023] [Indexed: 08/24/2023]
Abstract
In mammals, mothering is one of the most important prosocial female behavior to promote survival, proper sensorimotor, and emotional development of the offspring. Different intrinsic and extrinsic factors can initiate and maintain these behaviors, such as hormonal, cerebral, and sensory changes. Infant cues also stimulate multisensory systems and orchestrate complex maternal responsiveness. To understand the maternal behavior driven by complex sensory interactions, it is necessary to comprehend the individual sensory systems by taking out other senses. An excellent model for investigating sensory regulation of maternal behavior is a murine model of congenital blindness, the ZRDBA mice, where both an anophthalmic and sighted mice are generated from the same litter. Therefore, this study aims to assess whether visual inputs are essential to driving maternal behaviors in mice. Maternal behaviors were assessed using three behavioral tests, including the pup retrieval test, the home cage maternal behavior test, and the maternal aggression test. Our results show that blind mothers (1) took less time to retrieve their offspring inside the nest, (2) spent more time nursing and licking their offspring in the second- and third-week postpartum, and (3) exhibited faster aggressive behaviors when exposed to an intruder male, compared to the sighted counterparts. This study provides evidence that congenitally blind mothers show more motivation to retrieve the pups, care, and protection towards their pups than sighted ones, likely due to a phenomenon of sensory compensation.
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Affiliation(s)
- Nouhaila Bouguiyoud
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
- CogNAC Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
| | - Wen Bin Xie
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
| | - Gilles Bronchti
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
| | - Johannes Frasnelli
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
- CogNAC Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
| | - Syrina Al Aïn
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
- CogNAC Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
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Su F, Wang Y, Wei M, Wang C, Wang S, Yang L, Li J, Yuan P, Luo DG, Zhang C. Noninvasive Tracking of Every Individual in Unmarked Mouse Groups Using Multi-Camera Fusion and Deep Learning. Neurosci Bull 2023; 39:893-910. [PMID: 36571715 PMCID: PMC10264345 DOI: 10.1007/s12264-022-00988-6] [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: 05/14/2022] [Accepted: 08/29/2022] [Indexed: 12/27/2022] Open
Abstract
Accurate and efficient methods for identifying and tracking each animal in a group are needed to study complex behaviors and social interactions. Traditional tracking methods (e.g., marking each animal with dye or surgically implanting microchips) can be invasive and may have an impact on the social behavior being measured. To overcome these shortcomings, video-based methods for tracking unmarked animals, such as fruit flies and zebrafish, have been developed. However, tracking individual mice in a group remains a challenging problem because of their flexible body and complicated interaction patterns. In this study, we report the development of a multi-object tracker for mice that uses the Faster region-based convolutional neural network (R-CNN) deep learning algorithm with geometric transformations in combination with multi-camera/multi-image fusion technology. The system successfully tracked every individual in groups of unmarked mice and was applied to investigate chasing behavior. The proposed system constitutes a step forward in the noninvasive tracking of individual mice engaged in social behavior.
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Affiliation(s)
- Feng Su
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, 100069, China
- Chinese Institute for Brain Research, Beijing, 102206, China
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Nanjing, 210000, China
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Yangzhen Wang
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Mengping Wei
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, 100069, China
| | - Chong Wang
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, China
| | - Shaoli Wang
- The Key Laboratory of Developmental Genes and Human Disease, Institute of Life Sciences, Southeast University, Nanjing, 210096, Jiangsu, China
| | - Lei Yang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, 100069, China
| | - Jianmin Li
- Institute for Artificial Intelligence, the State Key Laboratory of Intelligence Technology and Systems, Beijing National Research Center for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China
| | - Peijiang Yuan
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China.
| | - Dong-Gen Luo
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China.
| | - Chen Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, 100069, China.
- Chinese Institute for Brain Research, Beijing, 102206, China.
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Nanjing, 210000, China.
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Csikós V, Oláh S, Dóra F, Arrasz N, Cservenák M, Dobolyi A. Microglia depletion prevents lactation by inhibition of prolactin secretion. iScience 2023; 26:106264. [PMID: 36936786 PMCID: PMC10014264 DOI: 10.1016/j.isci.2023.106264] [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: 09/07/2022] [Revised: 10/11/2022] [Accepted: 02/17/2023] [Indexed: 02/26/2023] Open
Abstract
Microglial cells were eliminated from the brain with sustained 3-4 weeks long inhibition of colony stimulating factor 1 receptor by Pexidartinib 3397 (PLX3397). The prepartum treated mice mothers did not feed their pups after parturition. The pups of mothers treated orally only in the postpartum period starting immediately after parturition showed reduced body weight by 15.5 ± 0.22 postnatal days as the treatment progressed without the mothers showing altered caring behaviors. The apparent weight gain of foster pups during a suckling bout was reduced in mother mice fed by PLX3397-containing diet and also in rat dams following sustained intracerebroventricular infusion of PLX3397 in a separate experiment suggesting that lactation was affected by the reduced number of microglia. Prolactin secretion and signaling were markedly reduced in PLX3397-treated mothers. The results suggest that microglial cells are required for prolactin secretion and lactation whereas maternal motivation may not be directly affected by microglia.
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Affiliation(s)
- Vivien Csikós
- Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - Szilvia Oláh
- Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - Fanni Dóra
- Laboratory of Neuromorphology, Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary
| | - Nikolett Arrasz
- Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - Melinda Cservenák
- Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - Arpád Dobolyi
- Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
- Corresponding author
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8
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Lan XY, Gu YY, Li MJ, Song TJ, Zhai FJ, Zhang Y, Zhan JS, Böckers TM, Yue XN, Wang JN, Yuan S, Jin MY, Xie YF, Dang WW, Hong HH, Guo ZR, Wang XW, Zhang R. Poly(I:C)-induced maternal immune activation causes elevated self-grooming in male rat offspring: Involvement of abnormal postpartum static nursing in dam. Front Cell Dev Biol 2023; 11:1054381. [PMID: 37009477 PMCID: PMC10062710 DOI: 10.3389/fcell.2023.1054381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 03/06/2023] [Indexed: 03/18/2023] Open
Abstract
Introduction: Maternal immune activation (MIA) is closely related to the onset of autism-like behaviors in offspring, but the mechanism remains unclear. Maternal behaviors can influence offspring’s development and behaviors, as indicated in both human and animal studies. We hypothesized that abnormal maternal behaviors in MIA dams might be other factors leading to delayed development and abnormal behaviors in offspring.Methods: To verify our hypothesis, we analyzed poly(I:C)-induced MIA dam’s postpartum maternal behavior and serum levels of several hormones related to maternal behavior. Pup’s developmental milestones and early social communication were recorded and evaluated in infancy. Other behavioral tests, including three-chamber test, self-grooming test, open field test, novel object recognition test, rotarod test and maximum grip test, were performed in adolescence of pups.Results: Our results showed that MIA dams exhibit abnormal static nursing behavior but normal basic care and dynamic nursing behavior. The serum levels of testosterone and arginine vasopressin in MIA dams were significantly reduced compared with control dams. The developmental milestones, including pinna detachment, incisor eruption and eye opening, were significantly delayed in MIA offspring compared with control offspring, while the weight and early social communication showed no significant differences between the two groups. Behavioral tests performed in adolescence showed that only male MIA offspring display elevated self-grooming behaviors and reduced maximum grip.Discussion: In conclusion, MIA dams display abnormal postpartum static nursing behavior concomitantly with reduced serum levels of testosterone and arginine vasopressin, possibly involving in the pathogenesis of delayed development and elevated self-grooming in male offspring. These findings hint that improving dam’s postpartum maternal behavior might be a potential regime to counteract delayed development and elevated self-grooming in male MIA offspring.
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Affiliation(s)
- Xing-Yu Lan
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - You-Yu Gu
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Ming-Juan Li
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Tian-Jia Song
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Fu-Jun Zhai
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Yong Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Jiang-Shan Zhan
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Tobias M. Böckers
- Institute for Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Xiao-Nan Yue
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
- Health Bureau of Kenli District, Dongying, China
| | - Jia-Nan Wang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Shuo Yuan
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Meng-Ying Jin
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Yu-Fei Xie
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Wan-Wen Dang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Hai-Heng Hong
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Zi-Rui Guo
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Xue-Wei Wang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
| | - Rong Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Neuroscience Research Institute, Peking University, Beijing, China
- Key Laboratory for Neuroscience, Ministry of Education, National Health and Family Planning Commission, Peking University, Beijing, China
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China
- Autism Research Center, Peking University Health Science Center, Beijing, China
- *Correspondence: Rong Zhang,
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9
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Haimson B, Mizrahi A. Plasticity in auditory cortex during parenthood. Hear Res 2023; 431:108738. [PMID: 36931020 DOI: 10.1016/j.heares.2023.108738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/09/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023]
Abstract
Most animals display robust parental behaviors that support the survival and well-being of their offspring. The manifestation of parental behaviors is accompanied by physiological and hormonal changes, which affect both the body and the brain for better care giving. Rodents exhibit a behavior called pup retrieval - a stereotyped sequence of perception and action - used to identify and retrieve their newborn pups back to the nest. Pup retrieval consists of a significant auditory component, which depends on plasticity in the auditory cortex (ACx). We review the evidence of neural changes taking place in the ACx of rodents during the transition to parenthood. We discuss how the plastic changes both in and out of the ACx support the encoding of pup vocalizations. Key players in the mechanism of this plasticity are hormones and experience, both of which have a clear dynamic signature during the transition to parenthood. Mothers, co caring females, and fathers have been used as models to understand parental plasticity at disparate levels of organization. Yet, common principles of cortical plasticity and the biological mechanisms underlying its involvement in parental behavior are just beginning to be unpacked.
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Affiliation(s)
- Baruch Haimson
- The Edmond and Lily Safra Center for Brain Sciences, and 2Department of Neurobiology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
| | - Adi Mizrahi
- The Edmond and Lily Safra Center for Brain Sciences, and 2Department of Neurobiology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
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10
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Honorio R, Depierrefixe P, Devers S, Rouelle M, Meunier J, Lécureuil C. Effects of cadmium ingestion on reproduction and maternal egg care in the European earwig. Anim Behav 2023. [DOI: 10.1016/j.anbehav.2022.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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11
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Moreira LKS, Moreira CVL, Custódio CHX, Dias MLP, Rosa DA, Ferreira-Neto ML, Colombari E, Costa EA, Fajemiroye JO, Pedrino GR. Post-partum depression: From clinical understanding to preclinical assessments. Front Psychiatry 2023; 14:1173635. [PMID: 37143780 PMCID: PMC10151489 DOI: 10.3389/fpsyt.2023.1173635] [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: 02/27/2023] [Accepted: 03/29/2023] [Indexed: 05/06/2023] Open
Abstract
Post-partum depression (PPD) with varying clinical manifestations affecting new parents remains underdiagnosed and poorly treated. This minireview revisits the pharmacotherapy, and relevant etiological basis, capable of advancing preclinical research frameworks. Maternal tasks accompanied by numerous behavioral readouts demand modeling different paradigms that reflect the complex and heterogenous nature of PPD. Hence, effective PPD-like characterization in animals towards the discovery of pharmacological intervention demands research that deepens our understanding of the roles of hormonal and non-hormonal components and mediators of this psychiatric disorder.
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Affiliation(s)
| | | | | | - Matheus L. P. Dias
- Institute of Biological Sciences, Federal University of Goiás, Goiania, GO, Brazil
| | - Daniel A. Rosa
- Institute of Biological Sciences, Federal University of Goiás, Goiania, GO, Brazil
| | - Marcos L. Ferreira-Neto
- Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Eduardo Colombari
- Department of Physiology and Pathology, School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Elson A. Costa
- Institute of Biological Sciences, Federal University of Goiás, Goiania, GO, Brazil
| | - James O. Fajemiroye
- Institute of Biological Sciences, Federal University of Goiás, Goiania, GO, Brazil
- Graduate Program in Pharmaceutical Sciences, Campus Arthur Wesley Archibald, Evangelical University of Goiás, Anápolis, Brazil
- *Correspondence: James O. Fajemiroye,
| | - Gustavo R. Pedrino
- Institute of Biological Sciences, Federal University of Goiás, Goiania, GO, Brazil
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12
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Adam N, Lachayze MA, Parmentier C, Hardin-Pouzet H, Mhaouty-Kodja S. Exposure to environmentally relevant doses of plasticizers alters maternal behavior and related neuroendocrine processes in primiparous and multiparous female mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120487. [PMID: 36273695 DOI: 10.1016/j.envpol.2022.120487] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Phthalates are organic pollutants frequently detected in the environment. The effects of these substances on male reproduction have been extensively studied but their potential impact on female reproductive behaviors in particular at environmental doses still remains to be documented. In the present study, we examined the effects of chronic exposure to di (2-ethylhexyl) phthalate (DEHP) alone at 5 or 50 μg/kg/d, or in an environmental phthalate mixture on maternal behavior of lactating female mice after a first (primiparous) and a second gestation (multiparous). Exposure of DEHP alone or in a phthalate mixture reduced pup-directed behaviors, increased self-care and forced nursing behaviors and altered nest quality for both primiparous and multiparous dams. In pup-retrieval test, primiparous and multiparous dams exposed to DEHP alone or in a phthalate mixture retrieved their pups more rapidly, probably due to a higher emission of ultrasonic vocalizations by the pups. At lactational day 2 following the third and last gestational period, the neural circuitry of maternal behavior was analyzed. A lower number of oxytocin-immunoreactive neurons in the paraventricular and anterior commissural nuclei was found in dams exposed to DEHP alone or in a phthalate mixture, while no changes were observed in the number of arginine-vasopressin immunoreactive cells. In the medial preoptic area, exposure to DEHP alone or in a phthalate mixture reduced ERα-immunoreactive cell number. Dendritic spine density assessed for DEHP at 5 μg/kg/d was also reduced. Thus, exposure to DEHP alone or in a phthalate mixture altered maternal behavior probably through a neuroendocrine mode of action involving oxytocin and estrogen through ERα, key pathways necessary for neuroplasticity and behavioral processing.
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Affiliation(s)
- Nolwenn Adam
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Marie-Amélie Lachayze
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Caroline Parmentier
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Hélène Hardin-Pouzet
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS UMR 8246, INSERM U1130, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France.
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13
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Merleau LA, Larrigaldie I, Bousquet O, Devers S, Keller M, Lécureuil C, Meunier J. Exposure to pyriproxyfen (juvenile hormone agonist) does not alter maternal care and reproduction in the European earwig. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:72729-72746. [PMID: 35610459 DOI: 10.1007/s11356-022-20970-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Sublethal exposure to pesticides can alter the survival and reproduction of a wide range of non-target organisms. However, it remains unclear whether this exposure can alter behaviours that are often essential for long-term population dynamics and maintenance, such as parental care. In this study, we tested the effect of pyriproxyfen exposure (an insect growth regulator) on maternal care in the European earwig, an insect that is both used in pest control in pip-fruit orchards and considered a pest in stone fruit orchards. We exposed 424 females at doses either 10 times lower, equivalent or 10 times higher than normal application rates in French orchards. As maternal care can change over the weeks of family life, we exposed the earwig mothers at five different days before and after egg hatching. We then measured the expression of ten forms of maternal care towards eggs and juveniles, six non-caring behaviours, eggs and juvenile development, metabolic reserves in mothers at egg hatching and females' production of a terminal clutch. First, our results revealed that the three tested doses of pyriproxyfen were non-lethal and confirmed that maternal care decreased throughout both pre- and post-hatching family life. However, we did not detect any effect of pyriproxyfen on maternal care and non-care behaviours, eggs and juvenile development, quantities of lipids, proteins and glycogen in mothers at egg hatching, and on the production of a future clutch. Overall, these findings suggest that the maximal doses of pyriproxyfen authorized in French orchards is likely to have limited effects on the short- and long-term maintenance of populations of the European earwig and raises fundamental questions about the nature of the link between juvenile hormone and parental care in insects.
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Affiliation(s)
- Leslie-Anne Merleau
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France
| | - Izïa Larrigaldie
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France
| | - Océane Bousquet
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France
| | - Séverine Devers
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France
| | - Matthieu Keller
- Laboratoire de Physiologie de la Reproduction & des Comportements, UMR 7247 INRAE/CNRS/Université de Tours/IFCE, Nouzilly, France
| | - Charlotte Lécureuil
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France
| | - Joël Meunier
- Institut de Recherche sur la Biologie de l'Insecte, UMR7261, CNRS, University of Tours, Tours, France.
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14
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Merrill AK, Conrad K, Marvin E, Sobolewski M. Effects of gestational low dose perfluorooctanoic acid on maternal and “anxiety-like” behavior in dams. FRONTIERS IN TOXICOLOGY 2022; 4:971970. [PMID: 36105436 PMCID: PMC9464925 DOI: 10.3389/ftox.2022.971970] [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: 06/17/2022] [Accepted: 07/29/2022] [Indexed: 11/29/2022] Open
Abstract
Pregnancy is a unique critical window with nearly ubiquitous exposure to low concentrations of endocrine disrupting chemicals, such as per- and poly-fluoroalkyl substances (PFAS). Human and animal research suggests that PFAS compounds disrupt hypothalamic-pituitary-adrenal axis function, with some evidence of altered “anxiety-like” behavior, but little is known about the potential effects on maternal mental health following exposures during pregnancy. Evaluating the consequences of gestational PFAS exposures on maternal health is essential, because approximately 1 in 10 women experience postpartum depression, often with increased anxiety. To address this gap, dams were exposed to a low dose, 0.1 mg/kg, of perfluorooctanoic acid (PFOA) from gestational day 0 to birth. Maternal behavior was then observed from postnatal days 5–9, and “anxiety-like” behavior was measured using open field spontaneous locomotor behavior and elevated plus maze following weaning. No difference was observed in the litter size or sex of offspring. Gestational PFOA exposure altered maternal behavior. Despite similar nursing durations, PFOA dams spent more time nursing in a flat posture and on their side, and less time in kyphosis. Despite significantly quicker first contact, PFOA dams did not return pups to the nest quicker, indicating reduced retrieval latency. At weaning, dams displayed increased “anxiety-like” behaviors in the elevated plus maze with a significantly higher mean duration in the closed arms and reduced choice frequency with significantly lower number of entries in the closed and open arms. PFOA dams showed reductions in ambulatory movement across the session. Pregnancy exposure to PFOA altered both maternal and “anxiety-like” behavior in dams. Additional assays focused on depression-associated behaviors, such as forced swim, anhedonia, and social preference, will further delineate behavioral mechanisms. Further research on the effects of environmental contaminant exposures during pregnancy should investigate how co-exposures to other risk factors, such as stress, may enhance behavioral toxicity. Understanding how environmental contaminant exposure during pregnancy effects maternal depression-associated, and/or “anxiety-like” behavior is necessary for the public health protection of women.
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15
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Bonaldo B, Gioiosa L, Panzica G, Marraudino M. Exposure to either Bisphenol A or S Represents a Risk for Crucial Behaviors for Pup Survival, Such as Spontaneous Maternal Behavior in Mice. Neuroendocrinology 2022; 113:1283-1297. [PMID: 35850097 DOI: 10.1159/000526074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/13/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Maternal behavior depends on a multitude of factors, including environmental ones, such as Endocrine Disrupting Chemicals (EDCs), which are increasingly attracting attention. Bisphenol A (BPA), an EDC present in plastic, is known to exert negative effects on maternal behavior. Bisphenol S (BPS), a BPA substitute, seems to share some endocrine disrupting properties. In this study, we focused on the analysis of the effects of low-dose (i.e., 4 µg/kg body weight/day, EFSA TDI for BPA) BPA or BPS exposure throughout pregnancy and lactation in mice. METHODS We administered adult C57BL/6 J females orally BPA, BPS, or vehicle from mating to offspring weaning. We assessed the number of pups at birth, the sex ratio, and the percentage of dead pups in each litter, and during the first postnatal week, we observed spontaneous maternal behavior. At the weaning of the pups, we sacrificed the dams and analyzed the oxytocin system, known to be involved in the control of maternal care, in the hypothalamic magnocellular nuclei. RESULTS At birth, pups from BPA-treated dams tended to have a lower male-to-female ratio compared to controls, while the opposite was observed among BPS-treated dams' litters. During the first postnatal week, offspring mortality impacted differentially in the BPA and BPS litters, with more female dead pups among the BPA litters, while more male dead pups in the BPS litters, sharpening the difference in the sex ratio. BPA- and BPS-treated dams spent significantly less time in pup-related behaviors than controls. Oxytocin immunoreactivity in the paraventricular and supraoptic nuclei was increased only in the BPA-treated dams. DISCUSSION/CONCLUSIONS Alterations in maternal care, along with the treatment itself, may affect, later in life, the offspring's physiology and behavior. Exposure to BPs during sensitive developmental periods represents a risk for both dams and offspring, even at low environmentally relevant doses, through the functional alteration of neural circuits controlling fundamental behaviors for pup survival, such as maternal behaviors.
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Affiliation(s)
- Brigitta Bonaldo
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, Turin, Italy
- Department of Neuroscience "Rita Levi-Montalcini," University of Turin, Turin, Italy
| | - Laura Gioiosa
- Unit of Neuroscience, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - GianCarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, Turin, Italy
- Department of Neuroscience "Rita Levi-Montalcini," University of Turin, Turin, Italy
| | - Marilena Marraudino
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, Turin, Italy
- Department of Neuroscience "Rita Levi-Montalcini," University of Turin, Turin, Italy
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16
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Behavioral Effects of Exposure to Phthalates in Female Rodents: Evidence for Endocrine Disruption? Int J Mol Sci 2022; 23:ijms23052559. [PMID: 35269705 PMCID: PMC8910129 DOI: 10.3390/ijms23052559] [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: 01/29/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 12/18/2022] Open
Abstract
Phthalates have been widely studied for their reprotoxic effects in male rodents and in particular on testosterone production, for which reference doses were established. The female rodent brain can also represent a target for exposure to these environmental endocrine disruptors. Indeed, a large range of behaviors including reproductive behaviors, mood-related behaviors, and learning and memory are regulated by sex steroid hormones. Here we review the experimental studies addressing the effects and mechanisms of phthalate exposure on these behaviors in female rodents, paying particular attention to the experimental conditions (period of exposure, doses, estrous stage of analyses etc.). The objective of this review is to provide a clear picture of the consistent effects that can occur in female rodents and the gaps that still need to be filled in terms of effects and mode(s) of action for a better risk assessment for human health.
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17
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Topilko T, Diaz SL, Pacheco CM, Verny F, Rousseau CV, Kirst C, Deleuze C, Gaspar P, Renier N. Edinger-Westphal peptidergic neurons enable maternal preparatory nesting. Neuron 2022; 110:1385-1399.e8. [PMID: 35123655 PMCID: PMC9090132 DOI: 10.1016/j.neuron.2022.01.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/10/2021] [Accepted: 01/10/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Thomas Topilko
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Silvina L Diaz
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Instituto de Biología Celular y Neurociencia Prof. E de Robertis (IBCN), Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires, Argentina
| | - Catarina M Pacheco
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Florine Verny
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Charly V Rousseau
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Christoph Kirst
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Charlotte Deleuze
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Patricia Gaspar
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Nicolas Renier
- Sorbonne Université, Paris Brain Institute - ICM, INSERM, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France.
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18
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Jacobson MH, Ghassabian A, Gore AC, Trasande L. Exposure to environmental chemicals and perinatal psychopathology. Biochem Pharmacol 2022; 195:114835. [PMID: 34774531 PMCID: PMC8712457 DOI: 10.1016/j.bcp.2021.114835] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/05/2021] [Accepted: 11/08/2021] [Indexed: 01/03/2023]
Abstract
Women are nearly twice as likely to develop mood disorders compared with men, and incidence is greatest during reproductive transitions, including pregnancy and postpartum. Because these periods are characterized by dramatic hormonal and physiologic changes, there is heightened susceptibility to external factors, such as exposure to environmental toxicants, which may play a role in maternal psychopathology. The purpose of this scoping review was to provide an overview of studies conducted in humans and animal models on the effects of nonoccupational exposure to environmental chemicals on maternal psychopathology during the perinatal period. The largest number of studies examined exposure to environmental tobacco smoke and antenatal depression and showed consistently positive findings, although more prospective studies using biomarkers for exposure assessment are needed. The few studies examining persistent organic pollutants such as polybrominated diphenyl ethers and perinatal depression were consistent in showing associations with increased depressive symptoms. Results were mixed for exposure to heavy metals and non-persistent chemicals, but a strong literature in animal models supported an association between bisphenols and phthalates and reduced maternal behavior and care of pups after parturition. Biological mechanisms may include endocrine disruption, neurotransmitter system impairment, alterations in gene expression, and immune activation and inflammation. Additional longitudinal studies that include biospecimen collection are essential to furthering the understanding of how environmental toxicants during pregnancy may affect perinatal psychopathology and the underlying mechanisms of action. Future work should also leverage the parallels between animal and human maternal behavior, thereby highlighting the opportunity for multidisciplinary work in this avenue.
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Affiliation(s)
- Melanie H Jacobson
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA.
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA; Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
| | - Andrea C Gore
- Institute for Neuroscience, The University of Texas at Austin, Austin, TX 78712, USA; Division of Pharmacology & Toxicology, The University of Texas at Austin, Austin, TX 78712, USA
| | - Leonardo Trasande
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA; Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA; New York University Wagner School of Public Service, New York, NY, USA; New York University College of Global Public Health, New York, NY, USA
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19
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Been LE, Sheppard PAS, Galea LAM, Glasper ER. Hormones and neuroplasticity: A lifetime of adaptive responses. Neurosci Biobehav Rev 2021; 132:679-690. [PMID: 34808191 DOI: 10.1016/j.neubiorev.2021.11.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/15/2021] [Accepted: 11/08/2021] [Indexed: 12/18/2022]
Abstract
Major life transitions often co-occur with significant fluctuations in hormones that modulate the central nervous system. These hormones enact neuroplastic mechanisms that prepare an organism to respond to novel environmental conditions and/or previously unencountered cognitive, emotional, and/or behavioral demands. In this review, we will explore several examples of how hormones mediate neuroplastic changes in order to produce adaptive responses, particularly during transitions in life stages. First, we will explore hormonal influences on social recognition in both males and females as they transition to sexual maturity. Next, we will probe the role of hormones in mediating the transitions to motherhood and fatherhood, respectively. Finally, we will survey the long-term impact of reproductive experience on neuroplasticity in females, including potential protective effects and risk factors associated with reproductive experience in mid-life and beyond. Ultimately, a more complete understanding of how hormones influence neuroplasticity throughout the lifespan, beyond development, is necessary for understanding how individuals respond to life changes in adaptive ways.
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Affiliation(s)
- Laura E Been
- Department of Psychology, Haverford College, 370 Lancaster Avenue, Haverford, PA, 19041, USA.
| | - Paul A S Sheppard
- Department of Physiology and Pharmacology, Robarts Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1151 Richmond St, London, Ontario, N6A 5B7, Canada.
| | - Liisa A M Galea
- Department of Psychology, Graduate Program in Neuroscience, Djavad Mowafaghian Centre for Brain Health, 2215 Wesbrook Mall, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.
| | - Erica R Glasper
- Department of Psychology, University of Maryland, College Park, MD, 20742 USA.
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20
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Bonaldo B, Casile A, Bettarelli M, Gotti S, Panzica G, Marraudino M. Effects of chronic exposure to bisphenol A in adult female mice on social behavior, vasopressin system, and estrogen membrane receptor (GPER1). Eur J Histochem 2021; 65:3272. [PMID: 34755506 PMCID: PMC8607277 DOI: 10.4081/ejh.2021.3272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/20/2021] [Indexed: 11/27/2022] Open
Abstract
Bisphenol A (BPA), an organic synthetic compound found in some plastics and epoxy resins, is classified as an endocrine disrupting chemical. Exposure to BPA is especially dangerous if it occurs during specific "critical periods" of life, when organisms are more sensitive to hormonal changes (i.e., intrauterine, perinatal, juvenile or puberty periods). In this study, we focused on the effects of chronic exposure to BPA in adult female mice starting during pregnancy. Three months old C57BL/6J females were orally exposed to BPA or to vehicle (corn oil). The treatment (4 µg/kg body weight/day) started the day 0 of pregnancy and continued throughout pregnancy, lactation, and lasted for a total of 20 weeks. BPA-treated dams did not show differences in body weight or food intake, but they showed an altered estrous cycle compared to the controls. In order to evidence alterations in social and sociosexual behaviors, we performed the Three-Chamber test for sociability, and analyzed two hypothalamic circuits (well-known targets of endocrine disruption) particularly involved in the control of social behavior: the vasopressin and the oxytocin systems. The test revealed some alterations in the displaying of social behavior: BPA-treated dams have higher locomotor activity compared to the control dams, probably a signal of high level of anxiety. In addition, BPA-treated dams spent more time interacting with no-tester females than with no-tester males. In brain sections, we observed a decrease of vasopressin immunoreactivity (only in the paraventricular and suprachiasmatic nuclei) of BPA-treated females, while we did not find any alteration of the oxytocin system. In parallel, we have also observed, in the same hypothalamic nuclei, a significant reduction of the membrane estrogen receptor GPER1 expression.
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Affiliation(s)
- Brigitta Bonaldo
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
| | - Antonino Casile
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO).
| | | | - Stefano Gotti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
| | - GianCarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
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21
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Graham JL, Charlier TD, Bonadonna F, Caro SP. Olfactory detection of trace amounts of plant volatiles is correlated with testosterone in a passerine bird. Horm Behav 2021; 136:105045. [PMID: 34537486 DOI: 10.1016/j.yhbeh.2021.105045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/09/2021] [Accepted: 08/11/2021] [Indexed: 11/29/2022]
Abstract
In response to damage by insects, plants release herbivore-induced plant volatiles (HIPVs) into the air. Insectivorous birds exploit these cues and, consequently, reduce the damages inflicted to the plants. However, little is known about whether they solely use HIPVs as foraging cues, or if they also use them to modulate traits linked to reproduction. As caterpillars are the primary food source required for insectivorous birds to raise offspring, their ability to locate and predict future peaks in caterpillar biomass using olfaction is likely to be advantageous. Therefore, we tested whether an insectivorous songbird that naturally inhabits oak dominated forests can be trained to detect early spring infestation by hatchling caterpillars, at a time when oaks begin bursting, and birds prepare to breed. Tree buds were either infested with caterpillars or left as a control and visually obscured in a Y-Maze choice test. Additionally, we measured testosterone and 17β-estradiol as they influence olfactory perception in mammals and are linked to reproduction in vertebrates. After being trained to associate the presence of HIPVs with that of food, blue tits spent more time with, were more active around, and more frequently chose to first visit the infested trees, showing that blue tits can smell caterpillar activity. Males with higher testosterone spent more time around infested trees, suggesting that foraging behavior during the pre-breeding season is linked with a major reproductive signal. There was no relationship between foraging and estradiol in females. These results are an important foundation for further investigation of the role of hormones in avian olfaction and how smell may be useful for making breeding decisions that could improve reproductive success.
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Affiliation(s)
| | - Thierry D Charlier
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000 Rennes, France.
| | | | - Samuel P Caro
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France.
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22
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Vitor-Vieira F, Vilela FC, Giusti-Paiva A. Hyperactivation of the amygdala correlates with impaired social play behavior of prepubertal male rats in a maternal immune activation model. Behav Brain Res 2021; 414:113503. [PMID: 34331970 DOI: 10.1016/j.bbr.2021.113503] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/12/2021] [Accepted: 07/26/2021] [Indexed: 12/17/2022]
Abstract
Maternal infection during pregnancy is an environmental risk factor for neurodevelopmental dysfunction, such as autism spectrum disorder (ASD). This study investigated the effect of maternal immune activation (MIA) on the behavior profile of prepubertal offspring and whether MIA alters the neuronal activation pattern of brain areas related to social play behavior. Pregnant Wistar rats received 500 μg/kg of lipopolysaccharide or saline solution on gestational day 16. Their offspring were tested using behavioral tasks to capture some of the core and associated ASD-like symptoms. Neuronal activation, indexed via c-fos expression after social play behavior, was evaluated in several brain areas. MIA had a number of adverse effects on dams and reduced the number of successful births and litter size. MIA induced sex-specific autistic-like features by a reduction in ultrasonic vocalizations in response to separation from the mother and nest, reduction in discrimination between neutral odors and their nest odor, moderate effect in stereotypies in the hole-board test, impaired risk assessment phenotype, and reduction in social play behavior without changes in locomotor activity only in prepubertal male offspring. A decrease in social play behavior may be associated with a decrease in the number of c-fos-positive cells in the prefrontal cortex and striatum, but hyperactivation of the basolateral and basomedial amygdala. Prenatal immune challenge results in ASD-like symptoms such as impaired risk assessment behavior, communication, and social interactions in male prepubertal offspring. Impaired social play behavior is correlated with neuronal hyperactivation in the amygdala.
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Affiliation(s)
- Fernando Vitor-Vieira
- Department of Physiological Sciences, Institute of Biomedical Sciences, Federal University of Alfenas-MG, Alfenas, Brazil
| | - Fabiana C Vilela
- Department of Physiological Sciences, Institute of Biomedical Sciences, Federal University of Alfenas-MG, Alfenas, Brazil
| | - Alexandre Giusti-Paiva
- Department of Physiological Sciences, Institute of Biomedical Sciences, Federal University of Alfenas-MG, Alfenas, Brazil.
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23
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Hunter D, Heng K, Mann N, Anand-Ivell R, Ivell R. Maternal Exposure to Dibutyl Phthalate (DBP) or Diethylstilbestrol (DES) Leads to Long-Term Changes in Hypothalamic Gene Expression and Sexual Behavior. Int J Mol Sci 2021; 22:ijms22084163. [PMID: 33920546 PMCID: PMC8073651 DOI: 10.3390/ijms22084163] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 02/07/2023] Open
Abstract
Xenobiotic exposure during pregnancy and lactation has been linked to perinatal changes in male reproductive outcomes and other endocrine parameters. This pilot study wished to assess whether brief maternal exposure of rats to xenobiotics dibutyl phthalate (DBP) or diethylstilbestrol (DES) might also cause long-term changes in hypothalamic gene expression or in reproductive behavior of the resulting offspring. Time-mated female Sprague Dawley rats were given either DBP (500 mg/kg body weight, every second day from GD14.5 to PND6), DES (125 µg/kg body weight at GD14.5 and GD16.5 only), or vehicle (n = 8–12 per group) and mild endocrine disruption was confirmed by monitoring postnatal anogenital distance. Hypothalamic RNA from male and female offspring at PND10, PND24 and PND90 was analyzed by qRT-PCR for expression of aromatase, oxytocin, vasopressin, ER-alpha, ER-beta, kisspeptin, and GnRH genes. Reproductive behavior was monitored in male and female offspring from PND60 to PND90. Particularly, DES treatment led to significant changes in hypothalamic gene expression, which for the oxytocin gene was still evident at PND90, as well as in sexual behavior. In conclusion, maternal xenobiotic exposure may not only alter endocrine systems in offspring but, by impacting on brain development at a critical time, can have long-term effects on male or female sexual behavior.
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24
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Frias HV, Alves CDS, Flório JC, Bondan EF, Bonamin LV, Coelho CP, Bernardi MM, Suffredini IB. Vertical exposition to Luffa operculata extract deregulates behavior and hypothalamus neurotransmitters in juvenile rats. JOURNAL OF ETHNOPHARMACOLOGY 2021; 264:113265. [PMID: 32858198 DOI: 10.1016/j.jep.2020.113265] [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: 06/02/2019] [Revised: 07/15/2020] [Accepted: 08/06/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Luffa operculata (L.) Cogn (Cucurbitaceae) is a traditional plant popularly used in the abortion induction, against sinusitis and is toxic. AIM OF THE STUDY To verify the influence of the aqueous extract obtained from the dry fruit of L. operculata (BNE) on the male rats vertically exposed to a subabortive dose of BNE, by evaluating alterations in behavior and neurochemical features in hypothalamus, striatum and frontal cortex, at a juvenile age, after receiving a stress challenge given by the use of the "New York subway stress" technique (NYS). MATERIALS AND METHODS Pregnant female rats (F0 generation) received 1.0 mg/kg BNE, or distilled water (100 mL/kg), by gavage, between gestation days GD17 and GD21. The pups were weaned at PND21 and were kept up to PND60 (juvenile age) in controlled environmental conditions. Four groups were obtained: control (CG), experimental (EG), stress control (SCG) and stress experimental (SEG) After being stressed, the animals were behavioral screened for in the open field (OF) and in light-dark box (LDB) apparatuses. They were euthanized, and the liver, kidneys and brain were removed for both macroscopic and microscopic analyses, and for quantification of vanillylmandelic acid (VMA), norepinephrine (NE), dopamine (DA) and its metabolite, 3,4-dihydroxyphenylacetic acid (DOPAC) and the serotonin (5-HT) and its metabolite 5-hydroxyindolylacetic acid (5-HIAA) were accessed in the hypothalamus, frontal cortex and striatum. RESULTS AND DISCUSSION although most of the behavior changes were due to the stress challenge, the rats spent more time in the dark side of the LDB and were less likely to explore the light side, indicating that the treatment with BNE induced to fear. Interferences of BNE over behavior were due to impairment of VMA, NE, 5-HT and DA and increasing of DOPAC in the hypothalamus, and an increase of 5-HIAA in the frontal cortex, indicating alterations in the hypothalamic-hypophysis-adrenal axis (HHAA). No macroscopic or histopathological changes were observed in the liver, kidneys, or brain, although GFAP was diminished in the SCG, as expected for stressed rats. CONCLUSION the vertical exposition of juvenile rats to BNE led to the manifestation of fear and to a down regulation of the hypothalamic-hypophysis-adrenal axis.
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Affiliation(s)
- Humberto V Frias
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil
| | - Cinthia Dos S Alves
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil
| | - Jorge C Flório
- Departamento de Patologia - VPT, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Brazil
| | - Eduardo F Bondan
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil
| | - Leoni V Bonamin
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil
| | | | - Maria M Bernardi
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil
| | - Ivana B Suffredini
- Programa de Pós-Graduação em Patologia Ambiental e Experimental, Universidade Paulista - UNIP, Brazil; Núcleo de Pesquisas em Biodiversidade, Laboratório de Extração, Universidade Paulista - UNIP, Brazil.
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25
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Witchey SK, Al Samara L, Horman BM, Stapleton HM, Patisaul HB. Perinatal exposure to FireMaster® 550 (FM550), brominated or organophosphate flame retardants produces sex and compound specific effects on adult Wistar rat socioemotional behavior. Horm Behav 2020; 126:104853. [PMID: 32949556 PMCID: PMC7726037 DOI: 10.1016/j.yhbeh.2020.104853] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/31/2020] [Accepted: 09/10/2020] [Indexed: 12/11/2022]
Abstract
Firemaster 550 (FM550) is a flame retardant (FR) mixture that has become one of the most commonly used FRs in household items such as foam-based furniture and baby products. Because this mixture readily leaches from products, contamination of the environment and human tissues is widespread. Prior work by us and others has reported sex-specific behavioral deficits in rodents and zebrafish following early life exposure. In an effort to understand the mechanisms by which these behavioral effects occur, here we explored the effects of its constituents on behavioral outcomes previously shown to be altered by developmental FM550 exposure. The FM550 commercial mixture is composed of two brominated compounds (BFR) and two organophosphate compounds (OPFRs) at almost equivalent proportions. Both the BFR and the OPFR components are differentially metabolized and structurally distinct, but similar to known neurotoxicants. Here we examined adult Wistar rat offspring socioemotional behaviors following perinatal exposure (oral, to the dam) to vehicle, 2000 μg/day FM550, 1000 μg/day BFR or 1000 μg/day OPFR from gestation day 0 to weaning. Beginning on postnatal day 65 offspring from all groups were subjected to a series of behavioral tasks including open field, elevated plus maze, marble burying, social interaction tests, and running wheel. Effects were exposure-, sex- and task-specific, with BFR exposure resulting in the most consistent behavioral deficits. Overall, exposed females showed more deficits compared to males across all dose groups and tasks. These findings help elucidate how different classes of flame retardants, independently and as a mixture, contribute to sex-specific behavioral effects of exposure.
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Affiliation(s)
- Shannah K Witchey
- Department of Biological Sciences, NC State University, Raleigh, NC 27695, United States of America; Center for Human Health and the Environment, NC State University, Raleigh, NC 27695, United States of America
| | - Loujain Al Samara
- Department of Biological Sciences, NC State University, Raleigh, NC 27695, United States of America
| | - Brian M Horman
- Department of Biological Sciences, NC State University, Raleigh, NC 27695, United States of America
| | - Heather M Stapleton
- Nicholas School of the Environment, Levine Science Research Center, Duke University, Durham, NC 27710, United States of America
| | - Heather B Patisaul
- Department of Biological Sciences, NC State University, Raleigh, NC 27695, United States of America; Center for Human Health and the Environment, NC State University, Raleigh, NC 27695, United States of America.
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26
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Meunier J, Dufour J, Van Meyel S, Rault M, Lécureuil C. Sublethal exposure to deltamethrin impairs maternal egg care in the European earwig Forficula auricularia. CHEMOSPHERE 2020; 258:127383. [PMID: 32559491 DOI: 10.1016/j.chemosphere.2020.127383] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
The application of pesticides typically leads to lethal and sublethal exposure of non-target insects. Whereas our current understanding of these sublethal effects typically focuses on reproductive and physiological parameters, recent works emphasize that sublethal effects on behaviors such as maternal care could be of major importance in non-target species. However, it remained unknown whether these sublethal effects occur in insects. Here, we tested if exposure to sublethal doses of deltamethrin - a pyrethroid insecticide commonly used in crops - alters the expression of maternal egg care in females of the European earwig Forficula auricularia, a predator insect and pest control. Our results first reveal that deltamethrin exposure impaired the expression of three forms of maternal egg care: It decreased the likelihood of mothers to gather their otherwise scattered clutch of eggs, increased the time during which the female abandoned the clutch after a predator attack and reduced egg grooming duration. These sublethal effects did not reflect a lower activity of deltamethrin-exposed females, as these females increased their expression of self-grooming, and deltamethrin exposure did not affect females' exploration and mobility. Finally, we found that the negative effects of deltamethrin on egg care did not modify egg development, hatching rate and juvenile weight, possibly due to the transient effects of deltamethrin on maternal behaviors. Overall, our results reveal that sublethal exposure to a pesticide may diminish maternal egg care in a natural pest control and call for the integration of this measurement in assays on pesticides application.
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Affiliation(s)
- Joël Meunier
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS, University of Tours, Tours, France.
| | - Juliette Dufour
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS, University of Tours, Tours, France
| | - Sophie Van Meyel
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS, University of Tours, Tours, France
| | - Magali Rault
- Avignon University, Aix Marseille Univ, CNRS, IRD, IMBE, Pôle Agrosciences, 301 rue Baruch de Spinoza, BP 21239, 84916, Avignon, France
| | - Charlotte Lécureuil
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS, University of Tours, Tours, France.
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27
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Sundström-Poromaa I, Comasco E, Sumner R, Luders E. Progesterone - Friend or foe? Front Neuroendocrinol 2020; 59:100856. [PMID: 32730861 DOI: 10.1016/j.yfrne.2020.100856] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/05/2020] [Accepted: 07/24/2020] [Indexed: 12/12/2022]
Abstract
Estradiol is the "prototypic" sex hormone of women. Yet, women have another sex hormone, which is often disregarded: Progesterone. The goal of this article is to provide a comprehensive review on progesterone, and its metabolite allopregnanolone, emphasizing three key areas: biological properties, main functions, and effects on mood in women. Recent years of intensive research on progesterone and allopregnanolone have paved the way for new treatment of postpartum depression. However, treatment for premenstrual syndrome and premenstrual dysphoric disorder as well as contraception that women can use without risking mental health problems are still needed. As far as progesterone is concerned, we might be dealing with a two-edged sword: while its metabolite allopregnanolone has been proven useful for treatment of PPD, it may trigger negative symptoms in women with PMS and PMDD. Overall, our current knowledge on the beneficial and harmful effects of progesterone is limited and further research is imperative.
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Affiliation(s)
| | - Erika Comasco
- Department of Neuroscience, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | | | - Eileen Luders
- School of Psychology, University of Auckland, New Zealand; Laboratory of Neuro Imaging, School of Medicine, University of Southern California, Los Angeles, USA
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28
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Takeda T, Fujii M, Izumoto W, Hattori Y, Matsushita T, Yamada H, Ishii Y. Gestational dioxin exposure suppresses prolactin-stimulated nursing in lactating dam rats to impair development of postnatal offspring. Biochem Pharmacol 2020; 178:114106. [PMID: 32569627 DOI: 10.1016/j.bcp.2020.114106] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/15/2020] [Accepted: 06/17/2020] [Indexed: 12/11/2022]
Abstract
A number of epidemiological studies have implicated environmental chemicals including dioxins in the induction of negative effects on child development. To clarify the underlying mechanisms, almost all toxicologists have concentrated on effects on the offspring themselves. We examined an alternative hypothesis that gestational exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a highly-toxic dioxin, targets factors related to maternal childcare to disturb offspring development. Oral administration of TCDD (1 µg/kg) to pregnant rats on gestational day 15 suppressed maternal licking behavior, a nursing behavior, and mammary gland maturation during the lactational stage, as well as the body weight and short-term memory of postnatal offspring. In support of these findings, maternal production of prolactin, a pituitary hormone essential for nursing including milk production, was decreased during the same period. Intracerebroventricular infusion of prolactin to dioxin-exposed dams restored or tended to restore many of the above defects observed both in mothers and offspring. The TCDD-dependent defects in maternal nursing behaviors can be due to a direct action on aryl hydrocarbon receptor (AHR) of lactating dams, because they did not emerge in AHR-knockout dams or control dams with TCDD-exposed offspring. Further examinations revealed that TCDD induces transforming growth factor β1 expression, which suppresses prolactin-producing cell proliferation, in a nursing period-specific manner. In agreement with this, the number of prolactin-positive cells in nursing dams was decreased by TCDD. These results provide novel evidence that gestational dioxin exposure attenuates prolactin-stimulated nursing in lactating dams to impair offspring development, and that immaturity of prolactin-producing cells can contribute to them.
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Affiliation(s)
- Tomoki Takeda
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Misaki Fujii
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Waka Izumoto
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yukiko Hattori
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Takeshi Matsushita
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hideyuki Yamada
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuji Ishii
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan; Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
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29
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Ferrer-Pérez C, Reguilón MD, Miñarro J, Rodríguez-Arias M. Endogenous oxytocin is essential for the buffering effects of pair housing against the increase in cocaine reward induced by social stress. Physiol Behav 2020; 221:112913. [PMID: 32298668 DOI: 10.1016/j.physbeh.2020.112913] [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] [Received: 12/19/2019] [Revised: 04/02/2020] [Accepted: 04/06/2020] [Indexed: 12/11/2022]
Abstract
Social factors have a dual influence on addictive disorders. While social defeat stress in rodents increases the response to drug reward, positive social conditions, such as pair housing, increase stress resilience. The objective of the present study was to confirm whether oxytocin (OT) mediates this social buffering. To this end, male mice were housed in pairs and administered the OT receptor antagonist atosiban prior to each stress episode or for ten days after the stress protocol. The response to cocaine was assessed using a conditioned place preference paradigm. Our results confirmed that OT activity mediates the protective effect of pair housing and highlights its therapeutic potential.
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Affiliation(s)
- Carmen Ferrer-Pérez
- Department of Psychobiology, Faculty of Psychology, Universitat de València, Valencia, Spain
| | - Marina D Reguilón
- Department of Psychobiology, Faculty of Psychology, Universitat de València, Valencia, Spain
| | - José Miñarro
- Department of Psychobiology, Faculty of Psychology, Universitat de València, Valencia, Spain
| | - Marta Rodríguez-Arias
- Department of Psychobiology, Faculty of Psychology, Universitat de València, Valencia, Spain.
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30
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Hagiwara A, Sugiyama N, Ohtsuka T. Impaired experience-dependent maternal care in presynaptic active zone protein CAST-deficient dams. Sci Rep 2020; 10:5238. [PMID: 32251313 PMCID: PMC7090055 DOI: 10.1038/s41598-020-62072-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 03/09/2020] [Indexed: 11/24/2022] Open
Abstract
Although sociological studies affirm the importance of parental care in the survival of offspring, maltreatment—including child neglect—remains prevalent in many countries. While child neglect is well known to affect child development, the causes of maternal neglect are poorly understood. Here, we found that female mice with a deletion mutation of CAST (a presynaptic release-machinery protein) showed significantly reduced weaning rate when primiparous and a recovered rate when multiparous. Indeed, when nurturing, primiparous and nulliparous CAST knock out (KO) mice exhibited less crouching time than control mice and moved greater distances. Contrary to expectations, plasma oxytocin (OXT) was not significantly reduced in CAST KO mice even though terminals of magnocellular neurons in the posterior pituitary expressed CAST. We further found that compared with control mice, CAST KO mice drank significantly less water when nurturing and had a greater preference for sucrose during pregnancy. We suggest that deficiency in presynaptic release-machinery protein impairs the facilitation of some maternal behaviours, which can be compensated for by experience and learning.
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Affiliation(s)
- Akari Hagiwara
- Department of Biochemistry, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Naoko Sugiyama
- Department of Biochemistry, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Toshihisa Ohtsuka
- Department of Biochemistry, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan.
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31
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Brummelte S, Leuner B. Beyond the baby brain: Moving towards a better understanding of the parental brain and behavior. Front Neuroendocrinol 2019; 54:100767. [PMID: 31150661 DOI: 10.1016/j.yfrne.2019.100767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Susanne Brummelte
- Department of Psychology, Wayne State University, Detroit, MI 48202, United States.
| | - Benedetta Leuner
- Department of Psychology, The Ohio State University, Columbus, OH 43209, United States
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