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Social animals, including both humans and mice, are highly motivated to engage in social interactions. Short-term social isolation promotes social behavior, but the neural circuits through which it does so remain incompletely understood. Here, we sought to identify neurons that promote social behavior in single-housed female mice, which exhibit increased rates of social investigation, social ultrasonic vocalizations (USVs), and mounting during same-sex interactions that follow a period of short-term (3 days) isolation. We first used immunostaining for the immediate early gene Fos to identify a population of neurons in the preoptic hypothalamus (POA) that increase their activity in single-housed females following same-sex interactions (POAsocial neurons) but not in single-housed females that did not engage in social interactions. TRAP2-mediated chemogenetic silencing of POAsocial neurons in single-housed females significantly attenuates the effects of short-term isolation on social investigation, USV production, and mounting. In contrast, caspase-mediated ablation of POAsocial neurons in single-housed females robustly attenuates mounting but does not decrease social investigation or USV production. Optogenetic activation of POAsocial neurons in group-housed females promotes social investigation and USV production but does not recapitulate the effects of short-term isolation on mounting. To understand whether a similar population of POAsocial neurons promotes social behavior in single-housed males, we performed Fos immunostaining in single-housed males following either same-sex or opposite-sex social interactions. These experiments revealed a population of POA neurons that increase Fos expression in single-housed males following opposite-sex, but not same-sex, interactions. Chemogenetic silencing of POAsocial neurons in single-housed males during interactions with females reduces mounting but does not affect social investigation or USV production. These experiments identify a population of hypothalamic neurons that promote social behavior following short-term isolation in a sex- and social context-dependent manner.
Pubmed ID: 40035330
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Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
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Multi paradigm numerical computing environment and fourth generation programming language developed by MathWorks. Allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, Java, Fortran and Python. Used to explore and visualize ideas and collaborate across disciplines including signal and image processing, communications, control systems, and computational finance.
View all literature mentionsMus musculus with name C57BL/6J from IMSR.
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View all literature mentionsMus musculus with name C57BL/6J from IMSR.
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View all literature mentionsMus musculus with name B6.Cg-Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/J from IMSR.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE.Documented on September 23,2022. A data acquisition and analysis software package for electrophysiology data. Spike2 software offers multi-channel continuous data acquisition and analysis with a multitude of options. This offers flexible usage from a simple chart recorder to complex applications requiring stimulus generation, data capture, scrolling or triggered displays, control of external equipment, and custom analysis. Spike2 software can be used in many fields such as electrophysiology, neurophysiology, cardiovascular and respiratory studies, sports science and pharmacology.
View all literature mentionsOpen source Java based image processing software program designed for scientific multidimensional images. ImageJ has been transformed to ImageJ2 application to improve data engine to be sufficient to analyze modern datasets.
View all literature mentionsMus musculus with name STOCK Fostm2.1(icre/ERT2)Luo/J from IMSR.
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View all literature mentionsMus musculus with name STOCK Fostm2.1(icre/ERT2)Luo/J from IMSR.
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