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Gutierrez-Castellanos N, Dias IC, Husain BFA, Lima S. Functional diversity along the anteroposterior axis of the ventromedial hypothalamus. J Neuroendocrinol 2024:e13447. [PMID: 39253818 DOI: 10.1111/jne.13447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 08/14/2024] [Accepted: 08/28/2024] [Indexed: 09/11/2024]
Abstract
Innate behaviors ensure animal survival and reproductive success. Defending their territory, escaping from predators or mating with a sexual partner, are fundamental behaviors determining the ecological fitness of individuals. Remarkably, all these behaviors share a common neural substrate, as they are under the control of the ventromedial hypothalamus (VMH). Decades of research have contributed to understanding the exquisite diversity of functional ensembles underlying the wide array of functions that the VMH carries out. These functional ensembles are usually distributed throughout the dorsoventral and mediolateral axes of this nucleus. However, increasing evidence is bringing to attention the functional diversity of the VMH across its anteroposterior axis. In this review, we will overview our current understanding of how different ensembles within the VMH control a wide array of animal behaviors, emphasizing the newly discovered roles for its anterior subdivision in the context of conspecific self-defense.
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Affiliation(s)
| | - Inês C Dias
- Champalimaud Research, Champalimaud Foundation, Lisbon, Portugal
| | | | - Susana Lima
- Champalimaud Research, Champalimaud Foundation, Lisbon, Portugal
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2
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Láng T, Dimén D, Oláh S, Puska G, Dobolyi A. Medial preoptic circuits governing instinctive social behaviors. iScience 2024; 27:110296. [PMID: 39055958 PMCID: PMC11269931 DOI: 10.1016/j.isci.2024.110296] [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] [Indexed: 07/28/2024] Open
Abstract
The medial preoptic area (MPOA) has long been implicated in maternal and male sexual behavior. Modern neuroscience methods have begun to reveal the cellular networks responsible, while also implicating the MPOA in other social behaviors, affiliative social touch, and aggression. The social interactions rely on input from conspecifics whose most important modalities in rodents are olfaction and somatosensation. These inputs bypass the cerebral cortex to reach the MPOA to influence the social function. Hormonal inputs also directly act on MPOA neurons. In turn, the MPOA controls social responses via various projections for reward and motor output. The MPOA thus emerges as one of the major brain centers for instinctive social behavior. While key elements of MPOA circuits have been identified, a synthesis of these new data is now provided for further studies to reveal the mechanisms by which the area controls social interactions.
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Affiliation(s)
- Tamás Láng
- Laboratory of Neuromorphology, Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary
| | - Diána Dimén
- Laboratory of Neuromorphology, Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary
- Addiction and Neuroplasticity Laboratory, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
| | - Szilvia Oláh
- Laboratory of Molecular and Systems Neurobiology, Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
| | - 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
| | - Arpád Dobolyi
- Laboratory of Neuromorphology, Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary
- Laboratory of Molecular and Systems Neurobiology, Department of Physiology and Neurobiology, Eötvös Loránd University, Budapest, Hungary
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3
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Torres T, Adam N, Mhaouty-Kodja S, Naulé L. Reproductive function and behaviors: an update on the role of neural estrogen receptors alpha and beta. Front Endocrinol (Lausanne) 2024; 15:1408677. [PMID: 38978624 PMCID: PMC11228153 DOI: 10.3389/fendo.2024.1408677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 05/29/2024] [Indexed: 07/10/2024] Open
Abstract
Infertility is becoming a major public health problem, with increasing frequency due to medical, environmental and societal causes. The increasingly late age of childbearing, growing exposure to endocrine disruptors and other reprotoxic products, and increasing number of medical reproductive dysfunctions (endometriosis, polycystic ovary syndrome, etc.) are among the most common causes. Fertility relies on fine-tuned control of both neuroendocrine function and reproductive behaviors, those are critically regulated by sex steroid hormones. Testosterone and estradiol exert organizational and activational effects throughout life to establish and activate the neural circuits underlying reproductive function. This regulation is mediated through estrogen receptors (ERs) and androgen receptor (AR). Estradiol acts mainly via nuclear estrogen receptors ERα and ERβ. The aim of this review is to summarize the genetic studies that have been undertaken to comprehend the specific contribution of ERα and ERβ in the neural circuits underlying the regulation of the hypothalamic-pituitary-gonadal axis and the expression of reproductive behaviors, including sexual and parental behavior. Particular emphasis will be placed on the neural role of these receptors and the underlying sex differences.
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Affiliation(s)
| | | | | | - Lydie Naulé
- Sorbonne Université, CNRS UMR8246, INSERM U1130, Neuroscience Paris Seine – Institut de Biologie Paris Seine, Paris, France
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4
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Huijgens PT, Heijkoop R, Vanderschuren LJMJ, Lesscher HMB, Snoeren EMS. CaMKIIa+ neurons in the bed nucleus of the stria terminalis modulate pace of natural reward seeking depending on internal state. Psychopharmacology (Berl) 2024; 241:1245-1263. [PMID: 38396196 PMCID: PMC11106149 DOI: 10.1007/s00213-024-06561-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
This study aims to investigate the underlying neurobiological mechanisms that regulate natural reward seeking behaviors, specifically in the context of sexual behavior and sucrose self-administration. The role of CaMKIIa+ neurons in the bed nucleus of the stria terminalis (BNST) was explored using chemogenetic silencing and -stimulation. Additionally, the study examined how these effects interacted with the internal state of the animals. Through detailed behavioral analysis, it was demonstrated that CaMKIIa+ neurons in the BNST play a significant role in the regulation of both sexual behavior and sucrose self-administration. Although the behavioral outcome measures differed between the two behaviors, the regulatory role of the CaMKIIa+ neurons in the BNST was found to converge on the modulation of the pacing of engagement in these behaviors in male rats. Moreover, our study confirmed that the internal physiological state of the animal affects how the BNST modulates these behaviors. These findings suggest that different types of natural rewards may recruit a similar brain circuitry to regulate the display of motivated behaviors. Overall, this research provides valuable insights into the neural mechanisms underlying natural reward seeking and sheds light on the interconnected nature of reward-related behaviors in male rats.
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Affiliation(s)
- Patty T Huijgens
- Department of Psychology, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.
- Department of Population Health Sciences, Section Animals in Science and Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
| | - Roy Heijkoop
- Department of Psychology, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Louk J M J Vanderschuren
- Department of Population Health Sciences, Section Animals in Science and Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Heidi M B Lesscher
- Department of Population Health Sciences, Section Animals in Science and Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Eelke M S Snoeren
- Department of Psychology, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.
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5
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Aspesi D, Cornil CA. Role of neuroestrogens in the regulation of social behaviors - From social recognition to mating. Neurosci Biobehav Rev 2024; 161:105679. [PMID: 38642866 DOI: 10.1016/j.neubiorev.2024.105679] [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: 12/07/2023] [Revised: 03/12/2024] [Accepted: 04/15/2024] [Indexed: 04/22/2024]
Abstract
In this mini-review, we summarize the brain distribution of aromatase, the enzyme catalyzing the synthesis of estrogens from androgens, and the mechanisms responsible for regulating estrogen production within the brain. Understanding this local synthesis of estrogens by neurons is pivotal as it profoundly influences various facets of social behavior. Neuroestrogen action spans from the initial processing of socially pertinent sensory cues to integrating this information with an individual's internal state, ultimately resulting in the manifestation of either pro-affiliative or - aggressive behaviors. We focus here in particular on aggressive and sexual behavior as the result of correct individual recognition of intruders and potential mates. The data summarized in this review clearly point out the crucial role of locally synthesized estrogens in facilitating rapid adaptation to the social environment in rodents and birds of both sexes. These observations not only shed light on the evolutionary significance but also indicate the potential implications of these findings in the realm of human health, suggesting a compelling avenue for further investigation.
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Affiliation(s)
- Dario Aspesi
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303, USA
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6
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Rigney N, Campos-Lira E, Kirchner MK, Wei W, Belkasim S, Beaumont R, Singh S, Suarez SG, Hartswick D, Stern JE, de Vries GJ, Petrulis A. A vasopressin circuit that modulates mouse social investigation and anxiety-like behavior in a sex-specific manner. Proc Natl Acad Sci U S A 2024; 121:e2319641121. [PMID: 38709918 PMCID: PMC11098102 DOI: 10.1073/pnas.2319641121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/02/2024] [Indexed: 05/08/2024] Open
Abstract
One of the largest sex differences in brain neurochemistry is the expression of the neuropeptide arginine vasopressin (AVP) within the vertebrate brain, with males having more AVP cells in the bed nucleus of the stria terminalis (BNST) than females. Despite the long-standing implication of AVP in social and anxiety-like behaviors, the circuitry underlying AVP's control of these behaviors is still not well defined. Using optogenetic approaches, we show that inhibiting AVP BNST cells reduces social investigation in males, but not in females, whereas stimulating these cells increases social investigation in both sexes, but more so in males. These cells may facilitate male social investigation through their projections to the lateral septum (LS), an area with the highest density of sexually differentiated AVP innervation in the brain, as optogenetic stimulation of BNST AVP → LS increased social investigation and anxiety-like behavior in males but not in females; the same stimulation also caused a biphasic response of LS cells ex vivo. Blocking the vasopressin 1a receptor (V1aR) in the LS eliminated all these responses. Together, these findings establish a sexually differentiated role for BNST AVP cells in the control of social investigation and anxiety-like behavior, likely mediated by their projections to the LS.
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Affiliation(s)
- Nicole Rigney
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | - Elba Campos-Lira
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | | | - Wei Wei
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | - Selma Belkasim
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | - Rachael Beaumont
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | - Sumeet Singh
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | | | - Delenn Hartswick
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | - Javier E. Stern
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
| | | | - Aras Petrulis
- Neuroscience Institute, Georgia State University, Atlanta, GA30302
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7
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Wang X, Zheng J, Xu H. Neural Circuitry Involving Substance P in Male Sexual Behavior. Neurosci Bull 2024; 40:544-546. [PMID: 38376747 PMCID: PMC11004096 DOI: 10.1007/s12264-024-01177-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/09/2023] [Indexed: 02/21/2024] Open
Affiliation(s)
- Xinrong Wang
- Department of Neurobiology and Department of Neurology of the Second Affiliated Hospital and School of Brain Science and Brain Medicine, Zhejiang University School of Medicine, Hangzhou, 310058, China
- Nanhu Brain-Computer Interface Institute, Hangzhou, 311100, China
| | - Junqiang Zheng
- Department of Neurobiology and Department of Neurology of the Second Affiliated Hospital and School of Brain Science and Brain Medicine, Zhejiang University School of Medicine, Hangzhou, 310058, China
- Lingang Laboratory, Shanghai, 200031, China
| | - Han Xu
- Department of Neurobiology and Department of Neurology of the Second Affiliated Hospital and School of Brain Science and Brain Medicine, Zhejiang University School of Medicine, Hangzhou, 310058, China.
- Nanhu Brain-Computer Interface Institute, Hangzhou, 311100, China.
- Liangzhu Laboratory, MOE Frontier Science Center for Brain Science and Brain-machine Integration, State Key Laboratory of Brain-Machine Intelligence, Zhejiang University, Hangzhou, 311121, China.
- NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University, Hangzhou, 310058, China.
- Lingang Laboratory, Shanghai, 200031, China.
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8
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Minakuchi T, Guthman EM, Acharya P, Hinson J, Fleming W, Witten IB, Oline SN, Falkner AL. Independent inhibitory control mechanisms for aggressive motivation and action. Nat Neurosci 2024; 27:702-715. [PMID: 38347201 DOI: 10.1038/s41593-023-01563-6] [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: 11/07/2022] [Accepted: 12/19/2023] [Indexed: 04/10/2024]
Abstract
Social behaviors often consist of a motivational phase followed by action. Here we show that neurons in the ventromedial hypothalamus ventrolateral area (VMHvl) of mice encode the temporal sequence of aggressive motivation to action. The VMHvl receives local inhibitory input (VMHvl shell) and long-range input from the medial preoptic area (MPO) with functional coupling to neurons with specific temporal profiles. Encoding models reveal that during aggression, VMHvl shellvgat+ activity peaks at the start of an attack, whereas activity from the MPO-VMHvlvgat+ input peaks at specific interaction endpoints. Activation of the MPO-VMHvlvgat+ input promotes and prolongs a low motivation state, whereas activation of VMHvl shellvgat+ results in action-related deficits, acutely terminating attack. Moreover, stimulation of MPO-VMHvlvgat+ input is positively valenced and anxiolytic. Together, these data demonstrate how distinct inhibitory inputs to the hypothalamus can independently gate the motivational and action phases of aggression through a single locus of control.
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Affiliation(s)
| | | | | | - Justin Hinson
- Princeton Neuroscience Institute, Princeton, NJ, USA
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Gustison ML, Muñoz-Castañeda R, Osten P, Phelps SM. Sexual coordination in a whole-brain map of prairie vole pair bonding. eLife 2024; 12:RP87029. [PMID: 38381037 PMCID: PMC10942618 DOI: 10.7554/elife.87029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024] Open
Abstract
Sexual bonds are central to the social lives of many species, including humans, and monogamous prairie voles have become the predominant model for investigating such attachments. We developed an automated whole-brain mapping pipeline to identify brain circuits underlying pair-bonding behavior. We identified bonding-related c-Fos induction in 68 brain regions clustered in seven major brain-wide neuronal circuits. These circuits include known regulators of bonding, such as the bed nucleus of the stria terminalis, paraventricular hypothalamus, ventral pallidum, and prefrontal cortex. They also include brain regions previously unknown to shape bonding, such as ventromedial hypothalamus, medial preoptic area, and the medial amygdala, but that play essential roles in bonding-relevant processes, such as sexual behavior, social reward, and territorial aggression. Contrary to some hypotheses, we found that circuits active during mating and bonding were largely sexually monomorphic. Moreover, c-Fos induction across regions was strikingly consistent between members of a pair, with activity best predicted by rates of ejaculation. A novel cluster of regions centered in the amygdala remained coordinated after bonds had formed, suggesting novel substrates for bond maintenance. Our tools and results provide an unprecedented resource for elucidating the networks that translate sexual experience into an enduring bond.
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Affiliation(s)
- Morgan L Gustison
- Department of Integrative Biology, The University of Texas at AustinAustinUnited States
- Department of Psychology, Western UniversityLondonCanada
| | - Rodrigo Muñoz-Castañeda
- Cold Spring Harbor LaboratoryCold Spring HarborUnited States
- Appel Alzheimer's Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell MedicineNew YorkUnited States
| | - Pavel Osten
- Cold Spring Harbor LaboratoryCold Spring HarborUnited States
| | - Steven M Phelps
- Department of Integrative Biology, The University of Texas at AustinAustinUnited States
- Institute for Neuroscience, The University of Texas at AustinAustinUnited States
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10
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Chen Y, Chien J, Dai B, Lin D, Chen ZS. Identifying behavioral links to neural dynamics of multifiber photometry recordings in a mouse social behavior network. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.12.25.573308. [PMID: 38234793 PMCID: PMC10793434 DOI: 10.1101/2023.12.25.573308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Distributed hypothalamic-midbrain neural circuits orchestrate complex behavioral responses during social interactions. How population-averaged neural activity measured by multi-fiber photometry (MFP) for calcium fluorescence signals correlates with social behaviors is a fundamental question. We propose a state-space analysis framework to characterize mouse MFP data based on dynamic latent variable models, which include continuous-state linear dynamical system (LDS) and discrete-state hidden semi-Markov model (HSMM). We validate these models on extensive MFP recordings during aggressive and mating behaviors in male-male and male-female interactions, respectively. Our results show that these models are capable of capturing both temporal behavioral structure and associated neural states. Overall, these analysis approaches provide an unbiased strategy to examine neural dynamics underlying social behaviors and reveals mechanistic insights into the relevant networks.
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Affiliation(s)
- Yibo Chen
- Department of Psychiatry, Department of Neuroscience and Physiology, New York University School of Medicine, New York, NY, USA
- Program in Artificial Intelligence, University of Science and Technology of China, Hefei, Anhui, China
| | - Jonathan Chien
- Department of Psychiatry, Department of Neuroscience and Physiology, New York University School of Medicine, New York, NY, USA
| | - Bing Dai
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY, USA
| | - Dayu Lin
- Department of Psychiatry, Department of Neuroscience and Physiology, New York University School of Medicine, New York, NY, USA
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Zhe Sage Chen
- Department of Psychiatry, Department of Neuroscience and Physiology, New York University School of Medicine, New York, NY, USA
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY, USA
- Department of Biomedical Engineering, NYU Tandon School of Engineering, Brooklyn, NY, USA
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11
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Lischinsky JE, Yin L, Shi C, Prakash N, Burke J, Shekaran G, Grba M, Corbin JG, Lin D. Transcriptionally defined amygdala subpopulations play distinct roles in innate social behaviors. Nat Neurosci 2023; 26:2131-2146. [PMID: 37946049 PMCID: PMC10689240 DOI: 10.1038/s41593-023-01475-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/29/2023] [Indexed: 11/12/2023]
Abstract
Social behaviors are innate and supported by dedicated neural circuits, but the molecular identities of these circuits and how they are established developmentally and shaped by experience remain unclear. Here we show that medial amygdala (MeA) cells originating from two embryonically parcellated developmental lineages have distinct response patterns and functions in social behavior in male mice. MeA cells expressing the transcription factor Foxp2 (MeAFoxp2) are specialized for processing male conspecific cues and are essential for adult inter-male aggression. By contrast, MeA cells derived from the Dbx1 lineage (MeADbx1) respond broadly to social cues, respond strongly during ejaculation and are not essential for male aggression. Furthermore, MeAFoxp2 and MeADbx1 cells show differential anatomical and functional connectivity. Altogether, our results suggest a developmentally hardwired aggression circuit at the MeA level and a lineage-based circuit organization by which a cell's embryonic transcription factor profile determines its social information representation and behavioral relevance during adulthood.
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Affiliation(s)
- Julieta E Lischinsky
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA.
| | - Luping Yin
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
| | - Chenxi Shi
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Hunter College, New York, NY, USA
| | - Nandkishore Prakash
- Center for Neuroscience Research, Children's National Hospital, Washington, DC, USA
| | - Jared Burke
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Govind Shekaran
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Maria Grba
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Joshua G Corbin
- Center for Neuroscience Research, Children's National Hospital, Washington, DC, USA
| | - Dayu Lin
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA.
- Center for Neural Science, New York University, New York, NY, USA.
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA.
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12
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Troconis EL, Seo C, Guru A, Warden MR. Serotonin neurons in mating female mice are activated by male ejaculation. Curr Biol 2023; 33:4926-4936.e4. [PMID: 37865094 PMCID: PMC10901455 DOI: 10.1016/j.cub.2023.09.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/31/2023] [Accepted: 09/28/2023] [Indexed: 10/23/2023]
Abstract
Sexual stimulation triggers changes in female physiology and behavior, including sexual satiety and preparing the uterus for pregnancy. Serotonin (5-HT) is an important regulator of reproductive physiology and sexual receptivity, but the relationship between sexual stimulation and 5-HT neural activity in females is poorly understood. Here, we investigated dorsal raphe 5-HT neural activity in female mice during sexual behavior. We found that 5-HT neural activity in mating females peaked specifically upon male ejaculation and remained elevated above baseline until disengagement. Artificial intravaginal mechanical stimulation was sufficient to elicit increased 5-HT neural activity but the delivery of ejaculatory fluids was not. Distal penis expansion ("penile cupping") at ejaculation and forceful expulsion of ejaculatory fluid each provided sufficient mechanical stimulation to elicit 5-HT neuron activation. Our study identifies a female ejaculation-specific signal in a major neuromodulatory system and shows that intravaginal mechanosensory stimulation is necessary and sufficient to drive this signal.
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Affiliation(s)
- Eileen L Troconis
- Biological and Biomedical Sciences Program, Cornell University, Ithaca, NY 14853, USA
| | - Changwoo Seo
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA; Cornell Neurotech, Cornell University, Ithaca, NY 14853, USA
| | - Akash Guru
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA; Cornell Neurotech, Cornell University, Ithaca, NY 14853, USA
| | - Melissa R Warden
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA; Cornell Neurotech, Cornell University, Ithaca, NY 14853, USA.
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13
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Ventura-Aquino E, Ågmo A. The elusive concept of sexual motivation: can it be anchored in the nervous system? Front Neurosci 2023; 17:1285810. [PMID: 38046659 PMCID: PMC10691110 DOI: 10.3389/fnins.2023.1285810] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/16/2023] [Indexed: 12/05/2023] Open
Abstract
Sexual motivation is an abstract concept referring to the mechanisms determining the responsivity to sexually relevant stimuli. This responsivity determines the likelihood of producing a sexual response and the intensity of that response. Both responsivity to stimuli and the likelihood of making a response as well as the intensity of response are characteristics of an individual. Therefore, we need to assume that the concept of sexual motivation materializes in physiological mechanisms within the individual. The aim of the present communication is to analyze the requisites for the endeavor to materialize sexual motivation. The first requisite is to provide an operational definition, making the concept quantifiable. We show that parameters of copulatory behavior are inappropriate. We argue that the intensity of sexual approach behaviors provides the best estimate of sexual motivation in non-human animals, whereas the magnitude of genital responses is an exquisite indicator of human sexual motivation. Having assured how to quantify sexual motivation, we can then proceed to the search for physiological or neurobiological underpinnings. In fact, sexual motivation only manifests itself in animals exposed to appropriate amounts of gonadal hormones. In female rats, the estrogen receptor α in the ventrolateral part of the ventromedial nucleus of the hypothalamus is necessary for the expression of sexual approach behaviors. In male rats, androgen receptors within the medial preoptic area are crucial. Thus, in rats sexual motivation can be localized to specific brain structures, and even to specific cells within these structures. In humans, it is not even known if sexual motivation is materialized in the brain or in peripheral structures. Substantial efforts have been made to determine the relationship between the activity of neurotransmitters and the intensity of sexual motivation, particularly in rodents. The results of this effort have been meager. Likewise, efforts of finding drugs to stimulate sexual motivation, particularly in women complaining of low sexual desire, have produced dismal results. In sum, it appears that the abstract concept of sexual motivation can be reliably quantified, and the neurobiological bases can be described in non-human animals. In humans, objective quantification is feasible, but the neurobiological substrate remains enigmatic.
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Affiliation(s)
- Elisa Ventura-Aquino
- Escuela Nacional de Estudios Superiores, Unidad Juriquilla, UNAM, Juriquilla, Mexico
| | - Anders Ågmo
- Department of Psychology, University of Tromsø, Tromsø, Norway
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14
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Rigney N, Campos-Lira E, Kirchner MK, Wei W, Belkasim S, Beaumont R, Singh S, de Vries GJ, Petrulis A. A vasopressin circuit that modulates sex-specific social interest and anxiety-like behavior in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.06.564847. [PMID: 37986987 PMCID: PMC10659331 DOI: 10.1101/2023.11.06.564847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
One of the largest sex differences in brain neurochemistry is the male-biased expression of the neuropeptide arginine vasopressin (AVP) within the vertebrate social brain. Despite the long-standing implication of AVP in social and anxiety-like behavior, the precise circuitry and anatomical substrate underlying its control are still poorly understood. By employing optogenetic manipulation of AVP cells within the bed nucleus of the stria terminalis (BNST), we have unveiled a central role for these cells in promoting social investigation, with a more pronounced role in males relative to females. These cells facilitate male social investigation and anxiety-like behavior through their projections to the lateral septum (LS), an area with the highest density of sexually-dimorphic AVP fibers. Blocking the vasopressin 1a receptor (V1aR) in the LS eliminated stimulation-mediated increases in these behaviors. Together, these findings establish a distinct BNST AVP → LS V1aR circuit that modulates sex-specific social interest and anxiety-like behavior.
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15
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Gustison ML, Muñoz-Castañeda R, Osten P, Phelps SM. Sexual coordination in a whole-brain map of prairie vole pair bonding. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.26.550685. [PMID: 37546974 PMCID: PMC10402037 DOI: 10.1101/2023.07.26.550685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Sexual bonds are central to the social lives of many species, including humans, and monogamous prairie voles have become the predominant model for investigating such attachments. We developed an automated whole-brain mapping pipeline to identify brain circuits underlying pair-bonding behavior. We identified bonding-related c-Fos induction in 68 brain regions clustered in seven major brain-wide neuronal circuits. These circuits include known regulators of bonding, such as the bed nucleus of the stria terminalis, paraventricular hypothalamus, ventral pallidum, and prefrontal cortex. They also include brain regions previously unknown to shape bonding, such as ventromedial hypothalamus, medial preoptic area and the medial amygdala, but that play essential roles in bonding-relevant processes, such as sexual behavior, social reward and territorial aggression. Contrary to some hypotheses, we found that circuits active during mating and bonding were largely sexually monomorphic. Moreover, c-Fos induction across regions was strikingly consistent between members of a pair, with activity best predicted by rates of ejaculation. A novel cluster of regions centered in the amygdala remained coordinated after bonds had formed, suggesting novel substrates for bond maintenance. Our tools and results provide an unprecedented resource for elucidating the networks that translate sexual experience into an enduring bond.
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Affiliation(s)
- Morgan L. Gustison
- Department of Integrative Biology, The University of Texas at Austin; Austin, TX, USA
- Department of Psychology, Western University, ON, Canada
| | - Rodrigo Muñoz-Castañeda
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
- Appel Alzheimer's Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - Pavel Osten
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Steven M. Phelps
- Department of Integrative Biology, The University of Texas at Austin; Austin, TX, USA
- Institute for Neuroscience, The University of Texas at Austin; Austin, TX, USA
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16
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Mei L, Osakada T, Lin D. Hypothalamic control of innate social behaviors. Science 2023; 382:399-404. [PMID: 37883550 PMCID: PMC11105421 DOI: 10.1126/science.adh8489] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023]
Abstract
Sexual, parental, and aggressive behaviors are central to the reproductive success of individuals and species survival and thus are supported by hardwired neural circuits. The reproductive behavior control column (RBCC), which comprises the medial preoptic nucleus (MPN), the ventrolateral part of the ventromedial hypothalamus (VMHvl), and the ventral premammillary nucleus (PMv), is essential for all social behaviors. The RBCC integrates diverse hormonal and metabolic cues and adjusts an animal's physical activity, hence the chance of social encounters. The RBCC further engages the mesolimbic dopamine system to maintain social interest and reinforces cues and actions that are time-locked with social behaviors. We propose that the RBCC and brainstem form a dual-control system for generating moment-to-moment social actions. This Review summarizes recent progress regarding the identities of RBCC cells and their pathways that drive different aspects of social behaviors.
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Affiliation(s)
- Long Mei
- Neuroscience Institute, New York University Langone Medical Center, New York, NY 10016, USA
| | - Takuya Osakada
- Neuroscience Institute, New York University Langone Medical Center, New York, NY 10016, USA
| | - Dayu Lin
- Neuroscience Institute, New York University Langone Medical Center, New York, NY 10016, USA
- Department of Psychiatry, New York University Langone Medical Center, New York, NY 10016, USA
- Department of Neuroscience and Physiology, New York University Langone Medical Center, New York, NY 10016, USA
- Center for Neural Science, New York University, New York, NY 10016, USA
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17
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Guo Z, Yin L, Diaz V, Dai B, Osakada T, Lischinsky JE, Chien J, Yamaguchi T, Urtecho A, Tong X, Chen ZS, Lin D. Neural dynamics in the limbic system during male social behaviors. Neuron 2023; 111:3288-3306.e4. [PMID: 37586365 PMCID: PMC10592239 DOI: 10.1016/j.neuron.2023.07.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 05/18/2023] [Accepted: 07/19/2023] [Indexed: 08/18/2023]
Abstract
Sexual and aggressive behaviors are vital for species survival and individual reproductive success. Although many limbic regions have been found relevant to these behaviors, how social cues are represented across regions and how the network activity generates each behavior remains elusive. To answer these questions, we utilize multi-fiber photometry (MFP) to simultaneously record Ca2+ signals of estrogen receptor alpha (Esr1)-expressing cells from 13 limbic regions in male mice during mating and fighting. We find that conspecific sensory information and social action signals are widely distributed in the limbic system and can be decoded from the network activity. Cross-region correlation analysis reveals striking increases in the network functional connectivity during the social action initiation phase, whereas late copulation is accompanied by a "dissociated" network state. Based on the response patterns, we propose a mating-biased network (MBN) and an aggression-biased network (ABN) for mediating male sexual and aggressive behaviors, respectively.
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Affiliation(s)
- Zhichao Guo
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA; School of Life Sciences, Peking University, Beijing 100871, China
| | - Luping Yin
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Veronica Diaz
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Bing Dai
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Takuya Osakada
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Julieta E Lischinsky
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Jonathan Chien
- Department of Psychiatry, Department of Neuroscience and Physiology, New York University Grossman School of Medicine, Center for Neural Science, New York University, New York, NY 10016, USA
| | - Takashi Yamaguchi
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Ashley Urtecho
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Xiaoyu Tong
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Zhe S Chen
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA; Department of Psychiatry, Department of Neuroscience and Physiology, New York University Grossman School of Medicine, Center for Neural Science, New York University, New York, NY 10016, USA; Department of Biomedical Engineering, New York University Tandon School of Engineering, New York, NY 11201, USA
| | - Dayu Lin
- Neuroscience Institute, New York University Grossman School of Medicine, New York, NY 10016, USA; Department of Psychiatry, Department of Neuroscience and Physiology, New York University Grossman School of Medicine, Center for Neural Science, New York University, New York, NY 10016, USA.
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18
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Bembenek BM, Meyers-Manor JE, Forbes-Lorman RM. Decrease in ERɑ within the BNST of sexually naïve male rats following an encounter with a novel female. Behav Brain Res 2023; 454:114626. [PMID: 37595756 DOI: 10.1016/j.bbr.2023.114626] [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: 04/24/2023] [Revised: 07/27/2023] [Accepted: 08/09/2023] [Indexed: 08/20/2023]
Abstract
Testosterone and its metabolites facilitate male-typical social behaviors in sexually experienced animals. The metabolite estradiol acts on estrogen receptors (ERs) within the bed nucleus of the stria terminalis (BNST) to facilitate socio-sexual behaviors. While circulating testosterone does not increase in naïve males, aromatase-expressing neurons within the BNST of naïve males are necessary for sex recognition, suggesting that local estradiol production may be responsible. In the present study, we examined ERɑ-immunoreactive (ir) cell number within the brain of sexually naïve male rats 24 h after an encounter with a novel animal. As expected, males investigated females more than males. Additionally, males that encountered females had fewer ERɑ-ir cells within both anterior and posterior BNST compared to those who encountered a novel male or a non-social control. There were no changes within the AVPV, MPN, or MeA. The decrease in ERɑ-ir cell number within the posterior BNST only occurred in males that encountered estrus females whereas the decrease in the anterior BNST occurred only in males that encountered non-estrus females. Additionally, anogenital investigations were correlated with fewer ERɑ-ir cells in the posterior BNST, while cage sniffing correlated with the number ERɑ-ir cells in the anterior BNST. There were no differences in serum testosterone 45 min or 24 h after the encounter, suggesting changes in ERɑ were due to local changes in estradiol levels. Our results expand upon previous research regarding the role of estradiol within the subregions of the BNST in naïve male rat socio-sexual behavior.
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Affiliation(s)
- Brianna M Bembenek
- Ripon College, Ripon, WI 54971, USA; Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN 55905, USA
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19
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Pfau DR, Baribeau S, Brown F, Khetarpal N, Marc Breedlove S, Jordan CL. Loss of TRPC2 function in mice alters sex differences in brain regions regulating social behaviors. J Comp Neurol 2023; 531:1550-1561. [PMID: 37496437 PMCID: PMC10642801 DOI: 10.1002/cne.25528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 05/15/2023] [Accepted: 06/29/2023] [Indexed: 07/28/2023]
Abstract
The transient receptor potential cation channel 2 (TRPC2) conveys pheromonal information from the vomeronasal organ (VNO) to the brain. Both male and female mice lacking this gene show altered sex-typical behavior as adults. We asked whether TRPC2, highly expressed in the VNO, normally participates in the development of VNO-recipient brain regions controlling mounting and aggression, two behaviors affected by TRPC2 loss. We now report significant effects of TRPC2 loss in both the posterodorsal aspect of the medial amygdala (MePD) and ventromedial nucleus of the hypothalamus (VMH) of male and female mice. In the MePD, a sex difference in neuron number was eliminated by the TRPC2 knockout (KO), but the effect was complex, with fewer neurons in the right MePD of females, and fewer neurons in the left MePD of males. In contrast, MePD astrocytes were unaffected by the KO. In the ventrolateral (vl) aspect of the VMH, KO females were like wildtype (WT) females, but TRPC2 loss had a dramatic effect in males, with fewer neurons than WT males and a smaller VMHvl overall. We also discovered a glial sex difference in VMHvl of WTs, with females having more astrocytes than males. Interestingly, TRPC2 loss increased astrocyte number in males in this region. We conclude that TRPC2 normally participates in the sexual differentiation of the mouse MePD and VMHvl. These changes in two key VNO-recipient regions may underlie the effects of the TRPC2 KO on behavior.
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Affiliation(s)
- Daniel R Pfau
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
| | - Sarah Baribeau
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
| | - Felix Brown
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
| | - Niki Khetarpal
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
| | - S Marc Breedlove
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
| | - Cynthia L Jordan
- Neuroscience Program, Michigan State University, East Lansing, Michigan, USA
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20
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de Bournonville C, Lemoine P, Foidart JM, Arnal JF, Lenfant F, Cornil CA. Role of membrane estrogen receptor alpha (ERα) in the rapid regulation of male sexual behavior. J Neuroendocrinol 2023; 35:e13341. [PMID: 37806316 DOI: 10.1111/jne.13341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 08/04/2023] [Accepted: 08/04/2023] [Indexed: 10/10/2023]
Abstract
The activation of male sexual behavior depends on brain estrogen synthesis. Estrogens act through nuclear and membrane receptors producing effects within hours/days or seconds/minutes, respectively. In mice, estrogen receptor alpha (ERα) is the main estrogen receptor (ER) controlling the activation of male sexual behavior. Although neuroestrogens rapidly modulate mouse sexual behavior, it is not known whether these effects involve membrane ERα (mERα). This study combines two complementary approaches to address this question. C451A-ERα mice carry an ERα that cannot signal at the membrane, while estetrol (E4) is a natural estrogen acting as an agonist on nuclear ERα but as an antagonist on membrane ERα. In wild-type males, E4 decreased the number of mounts and intromissions after 10 min. In C451A-ERα males, E4 also altered sexual performance but after 30 min. E4 did not affect time spent near the female in both wild-type and C451A-ERα mice. However, regardless of genotype, the aromatase inhibitor 1,4,6-Androstatriene-3,17-dione (ATD) decreased both sexual performance and the time spent near the female after 10 and 30 min, confirming the key role of aromatization in the rapid control of sexual behavior and motivation. In conclusion, the shift in timing at which the effect of E4 is observed in mice lacking mERα suggests a role for mERα in the regulation of rapid effects of neuroestrogens on sexual performance, thus providing the first demonstration that E4 acts as an antagonist of a mER in the brain. The persisting effect of ATD on behavior in C451A-ERα mice also suggests the implication of another ER.
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Affiliation(s)
| | - Philippine Lemoine
- Laboratory of Neuroendocrinology, GIGA Neurosciences, University of Liège, Liège, Belgium
| | - Jean-Michel Foidart
- Department of Obstetrics and Gynecology, University of Liège, Liège, Belgium
- Estetra SRL, an affiliate company of Mithra Pharmaceuticals, Liège, Belgium
| | - Jean-François Arnal
- Institute of Metabolic and Cardiovascular Diseases (I2MC) Equipe 4, Inserm U1297-UPS, CHU, Toulouse, France
| | - Françoise Lenfant
- Institute of Metabolic and Cardiovascular Diseases (I2MC) Equipe 4, Inserm U1297-UPS, CHU, Toulouse, France
| | - Charlotte A Cornil
- Laboratory of Neuroendocrinology, GIGA Neurosciences, University of Liège, Liège, Belgium
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21
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Bayless DW, Davis CHO, Yang R, Wei Y, de Andrade Carvalho VM, Knoedler JR, Yang T, Livingston O, Lomvardas A, Martins GJ, Vicente AM, Ding JB, Luo L, Shah NM. A neural circuit for male sexual behavior and reward. Cell 2023; 186:3862-3881.e28. [PMID: 37572660 PMCID: PMC10615179 DOI: 10.1016/j.cell.2023.07.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 05/22/2023] [Accepted: 07/12/2023] [Indexed: 08/14/2023]
Abstract
Male sexual behavior is innate and rewarding. Despite its centrality to reproduction, a molecularly specified neural circuit governing innate male sexual behavior and reward remains to be characterized. We have discovered a developmentally wired neural circuit necessary and sufficient for male mating. This circuit connects chemosensory input to BNSTprTac1 neurons, which innervate POATacr1 neurons that project to centers regulating motor output and reward. Epistasis studies demonstrate that BNSTprTac1 neurons are upstream of POATacr1 neurons, and BNSTprTac1-released substance P following mate recognition potentiates activation of POATacr1 neurons through Tacr1 to initiate mating. Experimental activation of POATacr1 neurons triggers mating, even in sexually satiated males, and it is rewarding, eliciting dopamine release and self-stimulation of these cells. Together, we have uncovered a neural circuit that governs the key aspects of innate male sexual behavior: motor displays, drive, and reward.
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Affiliation(s)
- Daniel W Bayless
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Chung-Ha O Davis
- Stanford Neurosciences Graduate Program, Stanford University, Stanford, CA 94305, USA
| | - Renzhi Yang
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Yichao Wei
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | | | - Joseph R Knoedler
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Taehong Yang
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Oscar Livingston
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Akira Lomvardas
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | | | - Ana Mafalda Vicente
- Allen Institute for Neural Dynamics, Seattle, WA 98109; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY 10027
| | - Jun B Ding
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA; Departments of Neurology and Neurological Sciences, Stanford University, Stanford, CA 94305, USA
| | - Liqun Luo
- Department of Biology, Stanford University, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA; Department of Neurobiology, Stanford University, Stanford, CA 94305, USA
| | - Nirao M Shah
- Departments of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA; Department of Neurobiology, Stanford University, Stanford, CA 94305, USA; Department of Obstetrics and Gynecology, Stanford University, Stanford, CA 94305, USA.
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22
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Troconis EL, Seo C, Guru A, Warden MR. Serotonin neurons in mating female mice are activated by male ejaculation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.14.540716. [PMID: 37645786 PMCID: PMC10461921 DOI: 10.1101/2023.05.14.540716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Sexual stimulation triggers changes in female physiology and behavior, including sexual satiety and preparing the uterus for pregnancy. Serotonin is an important regulator of reproductive physiology and sexual receptivity, but the relationship between sexual stimulation and serotonin neural activity in females is poorly understood. Here, we investigated dorsal raphe serotonin neural activity in females during sexual behavior. We found that serotonin neural activity in mating females peaked specifically upon male ejaculation, and remained elevated above baseline until disengagement. Artificial intravaginal mechanical stimulation was sufficient to elicit increased 5-HT neural activity but the delivery of ejaculatory fluids was not. Distal penis erectile enlargement ("penile cupping") at ejaculation and forceful expulsion of ejaculatory fluid each provided sufficient mechanical stimulation to elicit serotonin neuron activation. Our study identifies a female ejaculation-specific signal in a major neuromodulatory system and shows that intravaginal mechanosensory stimulation is necessary and sufficient to drive this signal.
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Affiliation(s)
- Eileen L. Troconis
- Department of Biological and Biomedical Sciences, Cornell University, Ithaca, NY 14853 USA
| | - Changwoo Seo
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853 USA
- Cornell Neurotech, Cornell University, Ithaca, NY 14853 USA
| | - Akash Guru
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853 USA
- Cornell Neurotech, Cornell University, Ithaca, NY 14853 USA
| | - Melissa R. Warden
- Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853 USA
- Cornell Neurotech, Cornell University, Ithaca, NY 14853 USA
- Lead Contact
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23
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Yu ZX, Zha X, Xu XH. Estrogen-responsive neural circuits governing male and female mating behavior in mice. Curr Opin Neurobiol 2023; 81:102749. [PMID: 37421660 DOI: 10.1016/j.conb.2023.102749] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 07/10/2023]
Abstract
Decades of knockout analyses have highlighted the crucial involvement of estrogen receptors and downstream genes in controlling mating behaviors. More recently, advancements in neural circuit research have unveiled a distributed subcortical network comprising estrogen-receptor or estrogen-synthesis-enzyme-expressing cells that transforms sensory inputs into sex-specific mating actions. This review provides an overview of the latest discoveries on estrogen-responsive neurons in various brain regions and the associated neural circuits that govern different aspects of male and female mating actions in mice. By contextualizing these findings within previous knockout studies of estrogen receptors, we emphasize the emerging field of "circuit genetics", where identifying mating behavior-related neural circuits may allow for a more precise evaluation of gene functions within these circuits. Such investigations will enable a deeper understanding of how hormone fluctuation, acting through estrogen receptors and downstream genes, influences the connectivity and activity of neural circuits, ultimately impacting the manifestation of innate mating actions.
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Affiliation(s)
- Zi-Xian Yu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; Shanghai Center for Brain Science and Brain-Inspired Intelligence Technology, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xi Zha
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; Shanghai Center for Brain Science and Brain-Inspired Intelligence Technology, Shanghai 200031, China
| | - Xiao-Hong Xu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; Shanghai Center for Brain Science and Brain-Inspired Intelligence Technology, Shanghai 200031, China.
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24
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McCarthy MM. Neural Control of Sexually Dimorphic Social Behavior: Connecting Development to Adulthood. Annu Rev Neurosci 2023; 46:321-339. [PMID: 37001242 DOI: 10.1146/annurev-neuro-121522-110856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Rapid advances in the neural control of social behavior highlight the role of interconnected nodes engaged in differential information processing to generate behavior. Many innate social behaviors are essential to reproductive fitness and therefore fundamentally different in males and females. Programming these differences occurs early in development in mammals, following gonadal differentiation and copious androgen production by the fetal testis during a critical period. Early-life programming of social behavior and its adult manifestation are separate but yoked processes, yet how they are linked is unknown. This review seeks to highlight that gap by identifying four core mechanisms (epigenetics, cell death, circuit formation, and adult hormonal modulation) that could connect developmental changes to the adult behaviors of mating and aggression. We further propose that a unique social behavior, adolescent play, bridges the preweaning to the postpubertal brain by engaging the same neural networks underpinning adult reproductive and aggressive behaviors.
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Affiliation(s)
- Margaret M McCarthy
- Department of Pharmacology and Program in Neuroscience, University of Maryland School of Medicine, Baltimore, Maryland, USA;
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25
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Guo M, Sun L. From rodents to humans: Rodent behavioral paradigms for social behavioral disorders. Brain Circ 2023; 9:154-161. [PMID: 38020957 PMCID: PMC10679632 DOI: 10.4103/bc.bc_48_23] [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: 06/11/2023] [Revised: 08/06/2023] [Accepted: 08/09/2023] [Indexed: 12/01/2023] Open
Abstract
Social cognition guides social behavior. Subjects with proper social cognition should be able to: (1) have reasonable social motivation, (2) recognize other people and infer their intentions, and (3) weigh social hierarchies and other values. The choice of appropriate behavioral paradigms enables the use of rodents to study social behavior disorders in humans, thus enabling research to go deeper into neural mechanisms. This paper reviews commonly used rodent behavioral paradigms in studies of social behavior disorders. We focused specifically on sorting out ways to transfer the study of human social behavior to rodents through behavioral paradigms.
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Affiliation(s)
- Mingyue Guo
- Collaborative Innovation Center for Brain Disorders, Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Capital Medical University, Beijing, China
| | - Le Sun
- Collaborative Innovation Center for Brain Disorders, Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Capital Medical University, Beijing, China
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26
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Casula A, Milazzo BM, Martino G, Sergi A, Lucifora C, Tomaiuolo F, Quartarone A, Nitsche MA, Vicario CM. Non-Invasive Brain Stimulation for the Modulation of Aggressive Behavior-A Systematic Review of Randomized Sham-Controlled Studies. Life (Basel) 2023; 13:life13051220. [PMID: 37240865 DOI: 10.3390/life13051220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
INTRO Aggressive behavior represents a significant public health issue, with relevant social, political, and security implications. Non-invasive brain stimulation (NIBS) techniques may modulate aggressive behavior through stimulation of the prefrontal cortex. AIMS To review research on the effectiveness of NIBS to alter aggression, discuss the main findings and potential limitations, consider the specifics of the techniques and protocols employed, and discuss clinical implications. METHODS A systematic review of the literature available in the PubMed database was carried out, and 17 randomized sham-controlled studies investigating the effectiveness of NIBS techniques on aggression were included. Exclusion criteria included reviews, meta-analyses, and articles not referring to the subject of interest or not addressing cognitive and emotional modulation aims. CONCLUSIONS The reviewed data provide promising evidence for the beneficial effects of tDCS, conventional rTMS, and cTBS on aggression in healthy adults, forensic, and clinical samples. The specific stimulation target is a key factor for the success of stimulation on aggression modulation. rTMS and cTBS showed opposite effects on aggression compared with tDCS. However, due to the heterogeneity of stimulation protocols, experimental designs, and samples, we cannot exclude other factors that may play a confounding role.
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Affiliation(s)
- Antony Casula
- Dipartimento di Scienze Cognitive, Psicologiche, Pedagogiche e Degli Studi Culturali, Università di Messina, 98121 Messina, Italy
| | - Bianca M Milazzo
- Dipartimento di Scienze Cognitive, Psicologiche, Pedagogiche e Degli Studi Culturali, Università di Messina, 98121 Messina, Italy
| | - Gabriella Martino
- Dipartimento di Medicina e Clinica Sperimentale, Università degli Studi di Messina, A.O.U. "G. Martino", Via Consolare Valeria, 98125 Messina, Italy
| | - Alessandro Sergi
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Chiara Lucifora
- Dipartimento di Filosofia e Comunicazione, Università di Bologna, 40131 Bologna, Italy
| | - Francesco Tomaiuolo
- Dipartimento di Medicina e Clinica Sperimentale, Università degli Studi di Messina, A.O.U. "G. Martino", Via Consolare Valeria, 98125 Messina, Italy
| | | | - Michael A Nitsche
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, 44139 Dortmund, Germany
- University Clinic of Psychiatry and Psychotherapy and University Clinic of Child and Adolescent Psychiatry and Psychotherapy, Protestant Hospital of Bethel Foundation, University Hospital OWL, Bielefeld University, 33615 Bielefeld, Germany
| | - Carmelo M Vicario
- Dipartimento di Scienze Cognitive, Psicologiche, Pedagogiche e Degli Studi Culturali, Università di Messina, 98121 Messina, Italy
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Jacobs JT, Maior RS, Waguespack HF, Campos-Rodriguez C, Forcelli PA, Malkova L. Pharmacological Inactivation of the Bed Nucleus of the Stria Terminalis Increases Affiliative Social Behavior in Rhesus Macaques. J Neurosci 2023; 43:3331-3338. [PMID: 37012054 PMCID: PMC10162455 DOI: 10.1523/jneurosci.2090-22.2023] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/06/2023] [Accepted: 02/27/2023] [Indexed: 04/05/2023] Open
Abstract
The bed nucleus of the stria terminalis (BNST) has been implicated in a variety of social behaviors, including aggression, maternal care, mating behavior, and social interaction. Limited evidence from rodent studies suggests that activation of the BNST results in a decrease in social interaction between unfamiliar animals. The role of the BNST in social interaction in primates remains wholly unexamined. Nonhuman primates provide a valuable model for studying social behavior because of both their rich social repertoire and neural substrates of behavior with high translational relevance to humans. To test the hypothesis that the primate BNST is a critical modulator of social behavior, we performed intracerebral microinfusions of the GABAA agonist muscimol to transiently inactivate the BNST in male macaque monkeys. We measured changes in social interaction with a familiar same-sex conspecific. Inactivation of the BNST resulted in significant increase in total social contact. This effect was associated with an increase in passive contact and a significant decrease in locomotion. Other nonsocial behaviors (sitting passively alone, self-directed behaviors, and manipulation) were not impacted by BNST inactivation. As part of the "extended amygdala," the BNST is highly interconnected with the basolateral (BLA) and central (CeA) nuclei of the amygdala, both of which also play critical roles in regulating social interaction. The precise pattern of behavioral changes we observed following inactivation of the BNST partially overlaps with our prior reports in the BLA and CeA. Together, these data demonstrate that the BNST is part of a network regulating social behavior in primates.SIGNIFICANCE STATEMENT The bed nucleus of the stria terminalis (BNST) has a well-established role in anxiety behaviors, but its role in social behavior is poorly understood. No prior studies have evaluated the impact of BNST manipulations on social behavior in primates. We found that transient pharmacological inactivation of the BNST increased social behavior in pairs of macaque monkeys. These data suggest the BNST contributes to the brain networks regulating sociability.
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Affiliation(s)
- Jessica T Jacobs
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, 20057
- Department of Pharmacology & Physiology, Georgetown University, Washington, DC, 20057
| | - Rafael S Maior
- Department of Pharmacology & Physiology, Georgetown University, Washington, DC, 20057
- Laboratory of Neurosciences, Metabolism and Behavior, Department of Physiological Sciences, Institute of Biology, University of Brasilia, 70910-900, Brasilia, Brazil
| | - Hannah F Waguespack
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, 20057
- Department of Pharmacology & Physiology, Georgetown University, Washington, DC, 20057
| | | | - Patrick A Forcelli
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, 20057
- Department of Pharmacology & Physiology, Georgetown University, Washington, DC, 20057
- Department of Neuroscience, Georgetown University, Washington, DC 20057
| | - Ludise Malkova
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, 20057
- Department of Pharmacology & Physiology, Georgetown University, Washington, DC, 20057
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28
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Wei D, Osakada T, Guo Z, Yamaguchi T, Varshneya A, Yan R, Jiang Y, Lin D. A hypothalamic pathway that suppresses aggression toward superior opponents. Nat Neurosci 2023; 26:774-787. [PMID: 37037956 PMCID: PMC11101994 DOI: 10.1038/s41593-023-01297-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 03/09/2023] [Indexed: 04/12/2023]
Abstract
Aggression is costly and requires tight regulation. Here we identify the projection from estrogen receptor alpha-expressing cells in the caudal part of the medial preoptic area (cMPOAEsr1) to the ventrolateral part of the ventromedial hypothalamus (VMHvl) as an essential pathway for modulating aggression in male mice. cMPOAEsr1 cells increase activity mainly during male-male interaction, which differs from the female-biased response pattern of rostral MPOAEsr1 (rMPOAEsr1) cells. Notably, cMPOAEsr1 cell responses to male opponents correlated with the opponents' fighting capability, which mice could estimate based on physical traits or learn through physical combats. Inactivating the cMPOAEsr1-VMHvl pathway increased aggression, whereas activating the pathway suppressed natural intermale aggression. Thus, cMPOAEsr1 is a key population for encoding opponents' fighting capability-information that could be used to prevent animals from engaging in disadvantageous conflicts with superior opponents by suppressing the activity of VMHvl cells essential for attack behaviors.
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Affiliation(s)
- Dongyu Wei
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Takuya Osakada
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Zhichao Guo
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Takashi Yamaguchi
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Avni Varshneya
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Rongzhen Yan
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Yiwen Jiang
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA
| | - Dayu Lin
- Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA.
- Department of Psychiatry, New York University Langone Medical Center, New York, NY, USA.
- Center for Neural Science, New York University, New York, NY, USA.
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29
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Ma H, Hong WS, Chen SX. A progestin regulates the prostaglandin pathway in the neuroendocrine system in female mudskipper Boleophthalmus pectinirostris. J Steroid Biochem Mol Biol 2023; 231:106300. [PMID: 36990161 DOI: 10.1016/j.jsbmb.2023.106300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 02/02/2023] [Accepted: 02/23/2023] [Indexed: 03/30/2023]
Abstract
Sex hormones regulate the reproductive cycle through brain-pituitary axis, but the molecular mechanism is still enigmatic. In the reproductive season, the mudskipper Boleophthalmus pectinirostris possesses a semilunar periodicity spawning rhythm, which coincides with the semilunar periodicity variations in 17α-hydroxyprogesterone, the precursor of 17α,20β-dihydroxy-4-pregnen-3-one (DHP), a sexual progestin in teleosts. In the present study, we investigated in vitro the brain transcriptional differences between DHP-treated tissues and control groups using RNA-seq. Differential expression analysis revealed that 2700 genes significantly differentially expressed, including 1532 up-regulated and 1168 down-regulated genes. The majority of prostaglandin pathway-related genes were dramatically up-regulated, especially the prostaglandin receptor 6 (ptger6). Tissue distribution analysis revealed that ptger6 gene was ubiquitously expressed. In situ hybridization results showed that ptger6, nuclear progestin receptor (pgr), and DHP-induced c-fos mRNA were co-expressed in the ventral telencephalic area, the ventral nucleus of ventral telencephalic area, the anterior part of parvocellular preoptic nucleus, the magnocellular part of magnocellular preoptic nucleus, the ventral zone of periventricular hypothalamus, the anterior tubercular nucleus, the periventricular nucleus of posterior tuberculum, and the torus longitudinalis. DHP significantly enhanced promoter activities of ptger6 via Pgr. Together, this study suggested that DHP regulates the prostaglandin pathway in the neuroendocrine system of teleost fish.
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Affiliation(s)
- He Ma
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, China
| | - Wang Shu Hong
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, Xiamen University, Xiamen, 361102, China
| | - Shi Xi Chen
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, Xiamen University, Xiamen, 361102, China.
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30
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Lischinsky JE, Yin L, Shi C, Prakash N, Burke J, Shekaran G, Grba M, Corbin JG, Lin D. Hardwired to attack: Transcriptionally defined amygdala subpopulations play distinct roles in innate social behaviors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.16.532692. [PMID: 36993508 PMCID: PMC10055059 DOI: 10.1101/2023.03.16.532692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Social behaviors are innate and supported by dedicated neural circuits, but it remains unclear whether these circuits are developmentally hardwired or established through social experience. Here, we revealed distinct response patterns and functions in social behavior of medial amygdala (MeA) cells originating from two embryonically parcellated developmental lineages. MeA cells in male mice that express the transcription factor Foxp2 (MeAFoxp2) are specialized for processing male conspecific cues even before puberty and are essential for adult inter-male aggression. In contrast, MeA cells derived from the Dbx1-lineage (MeADbx1) respond broadly to social cues and are non-essential for male aggression. Furthermore, MeAFoxp2 and MeADbx1 cells show differential anatomical and functional connectivity. Altogether, our results support a developmentally hardwired aggression circuit at the level of the MeA and we propose a lineage-based circuit organization by which a cell's embryonic transcription factor profile determines its social information representation and behavior relevance during adulthood.
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Affiliation(s)
- Julieta E Lischinsky
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
| | - Luping Yin
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
| | - Chenxi Shi
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Hunter College, New York, NY, USA
| | - Nandkishore Prakash
- Center for Neuroscience Research, Children's National Hospital, Washington, DC, United States
| | - Jared Burke
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Govind Shekaran
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Maria Grba
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Joshua G Corbin
- Center for Neuroscience Research, Children's National Hospital, Washington, DC, United States
| | - Dayu Lin
- Neuroscience Institute, New York University School of Medicine, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA
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31
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Yang T, Bayless DW, Wei Y, Landayan D, Marcelo IM, Wang Y, DeNardo LA, Luo L, Druckmann S, Shah NM. Hypothalamic neurons that mirror aggression. Cell 2023; 186:1195-1211.e19. [PMID: 36796363 PMCID: PMC10081867 DOI: 10.1016/j.cell.2023.01.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/13/2022] [Accepted: 01/17/2023] [Indexed: 02/17/2023]
Abstract
Social interactions require awareness and understanding of the behavior of others. Mirror neurons, cells representing an action by self and others, have been proposed to be integral to the cognitive substrates that enable such awareness and understanding. Mirror neurons of the primate neocortex represent skilled motor tasks, but it is unclear if they are critical for the actions they embody, enable social behaviors, or exist in non-cortical regions. We demonstrate that the activity of individual VMHvlPR neurons in the mouse hypothalamus represents aggression performed by self and others. We used a genetically encoded mirror-TRAP strategy to functionally interrogate these aggression-mirroring neurons. We find that their activity is essential for fighting and that forced activation of these cells triggers aggressive displays by mice, even toward their mirror image. Together, we have discovered a mirroring center in an evolutionarily ancient region that provides a subcortical cognitive substrate essential for a social behavior.
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Affiliation(s)
- Taehong Yang
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Daniel W Bayless
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Yichao Wei
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Dan Landayan
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Ivo M Marcelo
- Champalimaud Neuroscience Program, Champalimaud Center for the Unknown, 1400-038 Lisbon, Portugal; Department of Psychiatry, Erasmus MC University Medical Center, 3015 GD Rotterdam, the Netherlands
| | - Yangpeng Wang
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Laura A DeNardo
- Department of Biology, Stanford University, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Liqun Luo
- Department of Biology, Stanford University, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Shaul Druckmann
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA; Department of Neurobiology, Stanford University, Stanford, CA 94305, USA
| | - Nirao M Shah
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA; Department of Neurobiology, Stanford University, Stanford, CA 94305, USA; Department of Obstetrics and Gynecology, Stanford University, Stanford, CA 94305, USA.
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32
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Zhou X, Li A, Mi X, Li Y, Ding Z, An M, Chen Y, Li W, Tao X, Chen X, Li Y. Hyperexcited limbic neurons represent sexual satiety and reduce mating motivation. Science 2023; 379:820-825. [PMID: 36758107 DOI: 10.1126/science.abl4038] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Transient sexual experiences can have long-lasting effects on behavioral decisions, but the neural coding that accounts for this change is unclear. We found that the ejaculation experience selectively activated estrogen receptor 2 (Esr2)-expressing neurons in the bed nucleus of the stria terminalis (BNST)-BNSTEsr2-and led to persistent decreases in firing threshold for days, during which time the mice displayed sexual satiety. Inhibition of hyperexcited BNSTEsr2 elicited fast mating recovery in satiated mice of both sexes. In males, such hyperexcitability reduced mating motivation and was partially mediated by larger HCN (hyperpolarization-activated cyclic nucleotide-gated) currents. Thus, BNSTEsr2 not only encode a specific mating action but also represent a persistent state of sexual satiety, and alterations in a neuronal ion channel contribute to sexual experience-dependent long-term changes to mating drive.
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Affiliation(s)
- Xiaojuan Zhou
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Ang Li
- Chinese Institute for Brain Research, Beijing 102206, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 102206, China
| | - Xue Mi
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Yixuan Li
- Chinese Institute for Brain Research, Beijing 102206, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 102206, China
| | - Zhaoyi Ding
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Min An
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Yalan Chen
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Wei Li
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Xianming Tao
- Chinese Institute for Brain Research, Beijing 102206, China
| | - Xinfeng Chen
- Chinese Institute for Brain Research, Beijing 102206, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 102206, China
| | - Ying Li
- Chinese Institute for Brain Research, Beijing 102206, China
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33
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StepjanoviĆ D, Hall W, Leung J. Illicit drug use and violence. HANDBOOK OF CLINICAL NEUROLOGY 2023; 197:121-145. [PMID: 37633705 DOI: 10.1016/b978-0-12-821375-9.00010-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2023]
Abstract
This chapter reviews evidence on the relationship between illicit drug use and violence, specifically cannabis, stimulant drugs, and opioids. It summarizes findings of systematic reviews of evidence on cannabis, stimulant drugs, and opioids. It also examines evidence from epidemiological studies of drug use among violent offenders and of violence among persons who use drugs, intervention studies, animal studies, human laboratory studies, and human neuroimaging studies. More studies have examined cannabis because of its higher prevalence of use. There is an association between cannabis use and violence, suggestive evidence of a dose-response relationship between the frequency of cannabis use and violence, and a stronger association in persons with psychoses. There is similar emerging evidence on stimulant use and violence, but evidence on opioids is very limited. There is limited and mixed evidence from intervention studies that reducing drug use reduces violence. Animal and human studies provide potential biological explanations for these associations. The association between cannabis use and violence is most consistent but limited by study heterogeneity and lack of control for potential confounders. It is unclear whether these associations are causal or reflect reverse causation or the effects of confounding.
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Affiliation(s)
- Daniel StepjanoviĆ
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, University of Queensland, St Lucia, QLD, Australia
| | - Wayne Hall
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, University of Queensland, St Lucia, QLD, Australia.
| | - Janni Leung
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, University of Queensland, St Lucia, QLD, Australia
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34
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The bed nucleus of the stria terminalis in threat detection: task choice and rodent experience. Emerg Top Life Sci 2022; 6:457-466. [PMID: 36416376 PMCID: PMC9788396 DOI: 10.1042/etls20220002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 10/19/2022] [Accepted: 11/15/2022] [Indexed: 11/24/2022]
Abstract
Behavioural reactivity to potential threat is used to experimentally refine models of anxiety symptoms in rodents. We present a short review of the literature tying the most commonly used tasks to model anxiety symptoms to functional recruitment of bed nucleus of the stria terminalis circuits (BNST). Using a review of studies that investigated the role of the BNST in anxiety-like behaviour in rodents, we flag the certain challenges for the field. These stem from inconsistent methods of reporting the neuroanatomical BNST subregions and the interpretations of specific behaviour across a wide variety of tasks as 'anxiety-like'. Finally, to assist in interpretation of the findings, we discuss the potential interactions between typically used 'anxiety' tasks of innate behaviour that are potentially modulated by the social and individual experience of the animal.
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35
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Yang B, Karigo T, Anderson DJ. Transformations of neural representations in a social behaviour network. Nature 2022; 608:741-749. [PMID: 35922505 PMCID: PMC9529293 DOI: 10.1038/s41586-022-05057-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/29/2022] [Indexed: 02/05/2023]
Abstract
Mating and aggression are innate social behaviours that are controlled by subcortical circuits in the extended amygdala and hypothalamus1-4. The bed nucleus of the stria terminalis (BNSTpr) is a node that receives input encoding sex-specific olfactory cues from the medial amygdala5,6, and which in turn projects to hypothalamic nuclei that control mating7-9 (medial preoptic area (MPOA)) and aggression9-14 (ventromedial hypothalamus, ventrolateral subdivision (VMHvl)), respectively15. Previous studies have demonstrated that male aromatase-positive BNSTpr neurons are required for mounting and attack, and may identify conspecific sex according to their overall level of activity16. However, neural representations in BNSTpr, their function and their transformations in the hypothalamus have not been characterized. Here we performed calcium imaging17,18 of male BNSTprEsr1 neurons during social behaviours. We identify distinct populations of female- versus male-tuned neurons in BNSTpr, with the former outnumbering the latter by around two to one, similar to the medial amygdala and MPOA but opposite to VMHvl, in which male-tuned neurons predominate6,9,19. Chemogenetic silencing of BNSTprEsr1 neurons while imaging MPOAEsr1 or VMHvlEsr1 neurons in behaving animals showed, unexpectedly, that the male-dominant sex-tuning bias in VMHvl was inverted to female-dominant whereas a switch from sniff- to mount-selective neurons during mating was attenuated in MPOA. Our data also indicate that BNSTprEsr1 neurons are not essential for conspecific sex identification. Rather, they control the transition from appetitive to consummatory phases of male social behaviours by shaping sex- and behaviour-specific neural representations in the hypothalamus.
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Affiliation(s)
- Bin Yang
- Division of Biology and Biological Engineering 140-80, TianQiao and Chrissy Chen Institute for Neuroscience, California Institute of Technology, Pasadena, CA, USA
- Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA, USA
| | - Tomomi Karigo
- Division of Biology and Biological Engineering 140-80, TianQiao and Chrissy Chen Institute for Neuroscience, California Institute of Technology, Pasadena, CA, USA
- Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA, USA
- Kennedy Krieger Institute, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - David J Anderson
- Division of Biology and Biological Engineering 140-80, TianQiao and Chrissy Chen Institute for Neuroscience, California Institute of Technology, Pasadena, CA, USA.
- Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA, USA.
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36
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Hoglen NEG, Manoli DS. Cupid's quiver: Integrating sensory cues in rodent mating systems. Front Neural Circuits 2022; 16:944895. [PMID: 35958042 PMCID: PMC9358210 DOI: 10.3389/fncir.2022.944895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/04/2022] [Indexed: 11/26/2022] Open
Abstract
In many animal species, males and females exploit different mating strategies, display sex-typical behaviors, and use distinct systems to recognize ethologically relevant cues. Mate selection thus requires mutual recognition across diverse social interactions based on distinct sensory signals. These sex differences in courtship and mating behaviors correspond to differences in sensory systems and downstream neural substrates engaged to recognize and respond to courtship signals. In many rodents, males tend to rely heavily on volatile olfactory and pheromone cues, while females appear to be guided more by a combination of these chemosensory signals with acoustic cues in the form of ultrasonic vocalizations. The mechanisms by which chemical and acoustic cues are integrated to control behavior are understudied in mating but are known to be important in the control of maternal behaviors. Socially monogamous species constitute a behaviorally distinct group of rodents. In these species, anatomic differences between males and females outside the nervous system are less prominent than in species with non-monogamous mating systems, and both sexes engage in more symmetric social behaviors and form attachments. Nevertheless, despite the apparent similarities in behaviors displayed by monogamous males and females, the circuitry supporting social, mating, and attachment behaviors in these species is increasingly thought to differ between the sexes. Sex differences in sensory modalities most important for mate recognition in across species are of particular interest and present a wealth of questions yet to be answered. Here, we discuss how distinct sensory cues may be integrated to drive social and attachment behaviors in rodents, and the differing roles of specific sensory systems in eliciting displays of behavior by females or males.
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Affiliation(s)
- Nerissa E G Hoglen
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, United States
- Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Neurosciences Graduate Program, University of California, San Francisco, San Francisco, CA, United States
| | - Devanand S Manoli
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, United States
- Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA, United States
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37
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The role of ciliopathy-associated type 3 adenylyl cyclase in infanticidal behavior in virgin adult male mice. iScience 2022; 25:104534. [PMID: 35754726 PMCID: PMC9218507 DOI: 10.1016/j.isci.2022.104534] [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: 10/29/2021] [Revised: 02/11/2022] [Accepted: 06/01/2022] [Indexed: 12/04/2022] Open
Abstract
Virgin adult male mice often display killing of alien newborns, defined as infanticide, and this behavior is dependent on olfactory signaling. Olfactory perception is achieved by the main olfactory system (MOS) or vomeronasal system (VNS). Although it has been established that the VNS is crucial for infanticide in male mice, the role of the MOS in infanticide remains unknown. Herein, by producing lesions via ZnSO4 perfusion and N-methyl-D-aspartic acid stereotactic injection, we demonstrated that the main olfactory epithelium (MOE), anterior olfactory nucleus (AON), or ventromedial hypothalamus (VMH) is crucial for infanticide in adult males. By using CRISPR-Cas9 coupled with adeno-associated viruses to induce specific knockdown of type 3 adenylyl cyclase (AC3) in these tissues, we further demonstrated that AC3, a ciliopathy-associated protein, in the MOE and the expression of related proteins in the AON or VMH are necessary for infanticidal behavior in virgin adult male mice. MOE lesions and knockdown of AC3 in the MOE result in abnormal infanticidal behavior The infanticidal behavior of male mice is impaired by lesioning of the AON or VMH AC3 knockdown in the AON or VMH affects the infanticidal behavior of male mice
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Jia Y, Li S, Guo X, Lei B, Hu J, Xu XH, Zhang W. Selfee, self-supervised features extraction of animal behaviors. eLife 2022; 11:e76218. [PMID: 35708244 PMCID: PMC9296132 DOI: 10.7554/elife.76218] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 06/15/2022] [Indexed: 11/15/2022] Open
Abstract
Fast and accurately characterizing animal behaviors is crucial for neuroscience research. Deep learning models are efficiently used in laboratories for behavior analysis. However, it has not been achieved to use an end-to-end unsupervised neural network to extract comprehensive and discriminative features directly from social behavior video frames for annotation and analysis purposes. Here, we report a self-supervised feature extraction (Selfee) convolutional neural network with multiple downstream applications to process video frames of animal behavior in an end-to-end way. Visualization and classification of the extracted features (Meta-representations) validate that Selfee processes animal behaviors in a way similar to human perception. We demonstrate that Meta-representations can be efficiently used to detect anomalous behaviors that are indiscernible to human observation and hint in-depth analysis. Furthermore, time-series analyses of Meta-representations reveal the temporal dynamics of animal behaviors. In conclusion, we present a self-supervised learning approach to extract comprehensive and discriminative features directly from raw video recordings of animal behaviors and demonstrate its potential usage for various downstream applications.
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Affiliation(s)
- Yinjun Jia
- School of Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life SciencesBeijingChina
| | - Shuaishuai Li
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Chinese Academy of Sciences Center for Excellence in Brain Science and Intelligence TechnologyShanghaiChina
- Shanghai Center for Brain Science and Brain-Inspired Intelligence TechnologyShanghaiChina
| | - Xuan Guo
- School of Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life SciencesBeijingChina
| | - Bo Lei
- School of Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life SciencesBeijingChina
| | - Junqiang Hu
- School of Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua UniversityBeijingChina
| | - Xiao-Hong Xu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Chinese Academy of Sciences Center for Excellence in Brain Science and Intelligence TechnologyShanghaiChina
- Shanghai Center for Brain Science and Brain-Inspired Intelligence TechnologyShanghaiChina
| | - Wei Zhang
- School of Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life SciencesBeijingChina
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39
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de Almeida AP, Baldo MVC, Motta SC. Dynamics in brain activation and behaviour in acute and repeated social defensive behaviour. Proc Biol Sci 2022; 289:20220799. [PMID: 35703050 PMCID: PMC9198769 DOI: 10.1098/rspb.2022.0799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
In nature, confrontations between conspecifics are recurrent and related, in general, due to the lack of resources such as food and territory. Adequate defence against a conspecific aggressor is essential for the individual's survival and the group integrity. However, repeated social defeat is a significant stressor promoting several behavioural changes, including social defence per se. What would be the neural basis of these behavioural changes? To build new hypotheses about this, we here investigate the effects of repeated social stress on the neural circuitry underlying motivated social defence behaviour in male mice. We observed that animals re-exposed to the aggressor three times spent more time in passive defence during the last exposure than in the first one. These animals also show less activation of the amygdalar and hypothalamic nuclei related to the processing of conspecific cues. In turn, we found no changes in the activation of the hypothalamic dorsal pre-mammillary nucleus (PMD) that is essential for passive defence. Therefore, our data suggest that the balance between the activity of circuits related to conspecific processing and the PMD determines the pattern of social defence behaviour. Changes in this balance may be the basis of the adaptations in social defence after repeated social defeat.
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Affiliation(s)
- Alisson P. de Almeida
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo-SP, Brazil
| | - Marcus V. C. Baldo
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo-SP, Brazil
| | - Simone C. Motta
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo-SP, Brazil
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40
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Court L, Balthazart J, Ball GF, Cornil CA. Role of aromatase in distinct brain nuclei of the social behaviour network in the expression of sexual behaviour in male Japanese quail. J Neuroendocrinol 2022; 34:e13127. [PMID: 35394094 PMCID: PMC9250618 DOI: 10.1111/jne.13127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/15/2022] [Accepted: 03/09/2022] [Indexed: 11/29/2022]
Abstract
In male Japanese quail, brain aromatase is crucial for the hormonal activation of sexual behaviour, but the sites producing neuro-oestrogens that are critical for these behaviours have not been completely identified. This study examined the function of aromatase expressed in several nuclei of the social behaviour network on a measure of sexual motivation known as the frequency of rhythmic cloacal sphincter movements (RCSM) and on copulatory behaviour. Sexually experienced castrated males chronically treated with testosterone were stereotaxically implanted with the aromatase inhibitor vorozole (VOR), or cholesterol as control, and tested for sexual behaviour. In experiment 1, males were implanted in the medial preoptic nucleus (POM) with VOR, a manipulation known to reduce the expression of copulatory behaviour. This experiment served as positive control, but also showed that VOR implanted in the dorsomedial or lateral portions of the POM similarly inhibits male copulatory behaviour compared to control implants. In experiments 2 to 4, males received stereotaxic implants of VOR in the periaqueductal gray (PAG), the nucleus taeniae of the amygdala (TnA) and the ventromedial nucleus of the hypothalamus (VMN), respectively. Sexual behaviour was affected only in individuals where VOR was implanted in the PAG: these males displayed significantly lower frequencies of cloacal contact movements, the last step of the copulatory sequence. Inhibition of aromatase in the TnA and VMN did not alter copulatory ability. Overall, RCSM frequency remained unaffected by VOR regardless of implantation site. Together, these results suggest that neuro-oestrogens produced in the POM contribute the most to the control of male copulatory behaviour, while aromatase expressed in the PAG might also participate to premotor aspects of male copulatory behaviour.
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Affiliation(s)
- Lucas Court
- GIGA Neurosciences, University of Liège, B-4000 Liège, Belgium
| | | | - Gregory F. Ball
- Department of Psychology, University of Maryland, College Park, MD, USA
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41
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Social interactions increase activation of vasopressin-responsive neurons in the dorsal raphe. Neuroscience 2022; 495:25-46. [DOI: 10.1016/j.neuroscience.2022.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 11/19/2022]
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42
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Flanigan ME, Kash TL. Coordination of social behaviors by the bed nucleus of the stria terminalis. Eur J Neurosci 2022; 55:2404-2420. [PMID: 33006806 PMCID: PMC9906816 DOI: 10.1111/ejn.14991] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/16/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023]
Abstract
The bed nucleus of the stria terminalis (BNST) is a sexually dimorphic, neuropeptide-rich node of the extended amygdala that has been implicated in responses to stress, drugs of abuse, and natural rewards. Its function is dysregulated in neuropsychiatric disorders that are characterized by stress- or drug-induced alterations in mood, arousal, motivation, and social behavior. However, compared to the BNST's role in mood, arousal, and motivation, its role in social behavior has remained relatively understudied. Moreover, the precise cell types and circuits underlying the BNST's role in social behavior have only recently begun to be explored using modern neuroscience techniques. Here, we systematically review the existing literature investigating the neurobiological substrates within the BNST that contribute to the coordination of various sex-dependent and sex-independent social behavioral repertoires, focusing largely on pharmacological and circuit-based behavioral studies in rodents. We suggest that the BNST coordinates social behavior by promoting appropriate assessment of social contexts to select relevant behavioral outputs and that disruption of socially relevant BNST systems by stress and drugs of abuse may be an important factor in the development of social dysfunction in neuropsychiatric disorders.
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Affiliation(s)
- Meghan E. Flanigan
- Bowles Center for Alcohol Studies, University of North Carolina School of Medicine, Chapel Hill, NC
| | - Thomas L. Kash
- Bowles Center for Alcohol Studies, University of North Carolina School of Medicine, Chapel Hill, NC,Department of Pharmacology, University of North Carolina School of Medicine, Chapel Hill, NC,Correspondence: Thomas L. Kash, John R. Andrews Distinguished Professor, Bowles Center for Alcohol Studies, Department of Pharmacology, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA, , (919) 843-7867
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43
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Spool JA, Bergan JF, Remage-Healey L. A neural circuit perspective on brain aromatase. Front Neuroendocrinol 2022; 65:100973. [PMID: 34942232 PMCID: PMC9667830 DOI: 10.1016/j.yfrne.2021.100973] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 12/23/2022]
Abstract
This review explores the role of aromatase in the brain as illuminated by a set of conserved network-level connections identified in several vertebrate taxa. Aromatase-expressing neurons are neurochemically heterogeneous but the brain regions in which they are found are highly-conserved across the vertebrate lineage. During development, aromatase neurons have a prominent role in sexual differentiation of the brain and resultant sex differences in behavior and human brain diseases. Drawing on literature primarily from birds and rodents, we delineate brain regions that express aromatase and that are strongly interconnected, and suggest that, in many species, aromatase expression essentially defines the Social Behavior Network. Moreover, in several cases the inputs to and outputs from this core Social Behavior Network also express aromatase. Recent advances in molecular and genetic tools for neuroscience now enable in-depth and taxonomically diverse studies of the function of aromatase at the neural circuit level.
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Affiliation(s)
- Jeremy A Spool
- Center for Neuroendocrine Studies, Neuroscience and Behavior Graduate Program, University of Massachusetts, Amherst, MA 01003, United States
| | - Joseph F Bergan
- Center for Neuroendocrine Studies, Neuroscience and Behavior Graduate Program, University of Massachusetts, Amherst, MA 01003, United States
| | - Luke Remage-Healey
- Center for Neuroendocrine Studies, Neuroscience and Behavior Graduate Program, University of Massachusetts, Amherst, MA 01003, United States.
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44
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Yue Q, Wang K, Guan M, Zhao Z, Li X, Yu P, Mao L. Single-Vesicle Electrochemistry Reveals Sex Difference in Vesicular Storage and Release of Catecholamine. Angew Chem Int Ed Engl 2022; 61:e202117596. [PMID: 35112448 DOI: 10.1002/anie.202117596] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Indexed: 12/17/2022]
Abstract
Quantitative measurements of sex difference in vesicle chemistry (i.e., chemical storage and release) at the single-vesicle level are essential to understand sex differences in cognitive behaviors; however, such measurements are very challenging to conventional analytical methods. By using single-vesicle electrochemistry, we find the duration of single exocytotic events of chromaffin cells prepared from male rats is statistically longer than that from female rats, leading to more neurotransmitter released in the male group. Further analysis reveals that a higher percentage of vesicles in the female group release part of the neurotransmitter, i.e., partial release, during exocytosis than that in male group. This sex dimorphism in neurotransmitter release in exocytosis might relate to the sex difference in the expression of voltage-dependent calcium channels and membrane lipid composition. Our finding offers the first experimental evidence that sex dimorphism even exists in vesicle chemistry, providing a brand new viewpoint for understanding the sex dimorphism in exocytosis.
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Affiliation(s)
- Qingwei Yue
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kai Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Ming Guan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Zhenwen Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xianchan Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Ping Yu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lanqun Mao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China.,College of Chemistry, Beijing Normal University, Beijing, 100875, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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45
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Neural mechanisms of persistent aggression. Curr Opin Neurobiol 2022; 73:102526. [PMID: 35344844 PMCID: PMC9167772 DOI: 10.1016/j.conb.2022.102526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/11/2022] [Accepted: 02/15/2022] [Indexed: 12/25/2022]
Abstract
While aggression is often conceptualized as a highly stereotyped, innate behavior, individuals within a species exhibit a surprising amount of variability in the frequency, intensity, and targets of their aggression. While differences in genetics are a source of some of this variation across individuals (estimates place the heritability of behavior at around 25-30%), a critical driver of variability is previous life experience. A wide variety of social experiences, including sexual, parental, and housing experiences can facilitate "persistent" aggressive states, suggesting that these experiences engage a common set of synaptic and molecular mechanisms that act on dedicated neural circuits for aggression. It has long been known that sex steroid hormones are powerful modulators of behavior, and also, that levels of these hormones are themselves modulated by experience. Several recent studies have started to unravel how experience-dependent hormonal changes during adulthood can create a cascade of molecular, synaptic, and circuit changes that enable behavioral persistence through circuit level remodeling. Here, we propose that sex steroid hormones facilitate persistent aggressive states by changing the relationship between neural activity and an aggression "threshold".
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46
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Neural circuit control of innate behaviors. SCIENCE CHINA. LIFE SCIENCES 2022; 65:466-499. [PMID: 34985643 DOI: 10.1007/s11427-021-2043-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/10/2021] [Indexed: 12/17/2022]
Abstract
All animals possess a plethora of innate behaviors that do not require extensive learning and are fundamental for their survival and propagation. With the advent of newly-developed techniques such as viral tracing and optogenetic and chemogenetic tools, recent studies are gradually unraveling neural circuits underlying different innate behaviors. Here, we summarize current development in our understanding of the neural circuits controlling predation, feeding, male-typical mating, and urination, highlighting the role of genetically defined neurons and their connections in sensory triggering, sensory to motor/motivation transformation, motor/motivation encoding during these different behaviors. Along the way, we discuss possible mechanisms underlying binge-eating disorder and the pro-social effects of the neuropeptide oxytocin, elucidating the clinical relevance of studying neural circuits underlying essential innate functions. Finally, we discuss some exciting brain structures recurrently appearing in the regulation of different behaviors, which suggests both divergence and convergence in the neural encoding of specific innate behaviors. Going forward, we emphasize the importance of multi-angle and cross-species dissections in delineating neural circuits that control innate behaviors.
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47
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Knoedler JR, Inoue S, Bayless DW, Yang T, Tantry A, Davis CH, Leung NY, Parthasarathy S, Wang G, Alvarado M, Rizvi AH, Fenno LE, Ramakrishnan C, Deisseroth K, Shah NM. A functional cellular framework for sex and estrous cycle-dependent gene expression and behavior. Cell 2022; 185:654-671.e22. [PMID: 35065713 PMCID: PMC8956134 DOI: 10.1016/j.cell.2021.12.031] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/22/2021] [Accepted: 12/20/2021] [Indexed: 01/05/2023]
Abstract
Sex hormones exert a profound influence on gendered behaviors. How individual sex hormone-responsive neuronal populations regulate diverse sex-typical behaviors is unclear. We performed orthogonal, genetically targeted sequencing of four estrogen receptor 1-expressing (Esr1+) populations and identified 1,415 genes expressed differentially between sexes or estrous states. Unique subsets of these genes were distributed across all 137 transcriptomically defined Esr1+ cell types, including estrous stage-specific ones, that comprise the four populations. We used differentially expressed genes labeling single Esr1+ cell types as entry points to functionally characterize two such cell types, BNSTprTac1/Esr1 and VMHvlCckar/Esr1. We observed that these two cell types, but not the other Esr1+ cell types in these populations, are essential for sex recognition in males and mating in females, respectively. Furthermore, VMHvlCckar/Esr1 cell type projections are distinct from those of other VMHvlEsr1 cell types. Together, projection and functional specialization of dimorphic cell types enables sex hormone-responsive populations to regulate diverse social behaviors.
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Affiliation(s)
- Joseph R Knoedler
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Sayaka Inoue
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Daniel W Bayless
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Taehong Yang
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Adarsh Tantry
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Chung-Ha Davis
- Neurosciences Graduate Program, Stanford University, Stanford, CA 94305, USA
| | - Nicole Y Leung
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | | | - Grace Wang
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Maricruz Alvarado
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Abbas H Rizvi
- Zuckerman Mind Brain Behavior Institute, Columbia University, New York, NY 10027, USA
| | - Lief E Fenno
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | | | - Karl Deisseroth
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA; Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Nirao M Shah
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA; Department of Neurobiology, Stanford University, Stanford, CA 94305, USA.
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48
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Yue Q, Wang K, Guan M, Zhao Z, Li X, Yu P, Mao L. Single‐Vesicle Electrochemistry Reveals Sex Difference in Vesicular Storage and Release of Catecholamine. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qingwei Yue
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Kai Wang
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
| | - Ming Guan
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
| | - Zhenwen Zhao
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xianchan Li
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
| | - Ping Yu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lanqun Mao
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
- College of Chemistry Beijing Normal University Beijing 100875 China
- University of Chinese Academy of Sciences Beijing 100049 China
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49
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Fukui K, Sato K, Murakawa S, Minami M, Amano T. Estrogen signaling modulates behavioral selection toward pups and amygdalohippocampal area in the rhomboid nucleus of the bed nucleus of the stria terminalis circuit. Neuropharmacology 2022; 204:108879. [PMID: 34785164 DOI: 10.1016/j.neuropharm.2021.108879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 09/15/2021] [Accepted: 11/08/2021] [Indexed: 01/08/2023]
Abstract
Gonadal steroid hormone influences behavioral choice of adult animals toward pups, parental or aggressive. We previously reported that long-term administration of 17β-estradiol (E2) to male mice during sexual maturation induces aggressive behavior toward conspecific pups, which is called "infanticide," and significantly enhanced excitatory synaptic transmission in the rhomboid nucleus of bed nucleus of the stria terminalis (BSTrh), which is an important brain region for infanticide. However, it is unclear how estrogen receptor-dependent signaling after sexual maturity regulates neural circuits including the BSTrh. Here we revealed that E2 administration to gonadectomized mice in adulthood elicited infanticidal behavior and enhanced excitatory synaptic transmission in the BSTrh by increasing the probability of glutamate release from the presynaptic terminalis. Next, we performed whole-brain mapping of E2-sensitive brain regions projecting to the BSTrh and found that amygdalohippocampal area (AHi) neurons that project to the BSTrh densely express estrogen receptor 1 (Esr1). Moreover, E2 treatment enhanced synaptic connectivity in the AHi-BSTrh pathway. Together, these results suggest that reinforcement of excitatory inputs from AHi neurons into the BSTrh by estrogen receptor-dependent signaling may contribute to the expression of infanticide.
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Affiliation(s)
- Kiyoshiro Fukui
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Hokkaido University, 060-0812, Japan
| | - Keiichiro Sato
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Hokkaido University, 060-0812, Japan
| | - Shunsaku Murakawa
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Hokkaido University, 060-0812, Japan
| | - Masabumi Minami
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Hokkaido University, 060-0812, Japan
| | - Taiju Amano
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Hokkaido University, 060-0812, Japan.
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50
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Lin HH, Kuang MC, Hossain I, Xuan Y, Beebe L, Shepherd AK, Rolandi M, Wang JW. A nutrient-specific gut hormone arbitrates between courtship and feeding. Nature 2022; 602:632-638. [PMID: 35140404 PMCID: PMC9271372 DOI: 10.1038/s41586-022-04408-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 12/22/2021] [Indexed: 11/08/2022]
Abstract
Animals must set behavioural priority in a context-dependent manner and switch from one behaviour to another at the appropriate moment1-3. Here we probe the molecular and neuronal mechanisms that orchestrate the transition from feeding to courtship in Drosophila melanogaster. We find that feeding is prioritized over courtship in starved males, and the consumption of protein-rich food rapidly reverses this order within a few minutes. At the molecular level, a gut-derived, nutrient-specific neuropeptide hormone-Diuretic hormone 31 (Dh31)-propels a switch from feeding to courtship. We further address the underlying kinetics with calcium imaging experiments. Amino acids from food acutely activate Dh31+ enteroendocrine cells in the gut, increasing Dh31 levels in the circulation. In addition, three-photon functional imaging of intact flies shows that optogenetic stimulation of Dh31+ enteroendocrine cells rapidly excites a subset of brain neurons that express Dh31 receptor (Dh31R). Gut-derived Dh31 excites the brain neurons through the circulatory system within a few minutes, in line with the speed of the feeding-courtship behavioural switch. At the circuit level, there are two distinct populations of Dh31R+ neurons in the brain, with one population inhibiting feeding through allatostatin-C and the other promoting courtship through corazonin. Together, our findings illustrate a mechanism by which the consumption of protein-rich food triggers the release of a gut hormone, which in turn prioritizes courtship over feeding through two parallel pathways.
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Affiliation(s)
- Hui-Hao Lin
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
| | - Meihua Christina Kuang
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
| | - Imran Hossain
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Yinan Xuan
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
| | - Laura Beebe
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
| | - Andrew K Shepherd
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
| | - Marco Rolandi
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Jing W Wang
- Neurobiology Section, Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA.
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