NeuronPub Date : 2024-10-07DOI: 10.1016/j.neuron.2024.09.009
Anna Zhukovskaya, Christopher A Zimmerman, Lindsay Willmore, Alejandro Pan-Vazquez, Sanjeev R Janarthanan, Laura A Lynch, Annegret L Falkner, Ilana B Witten
{"title":"Heightened lateral habenula activity during stress produces brainwide and behavioral substrates of susceptibility.","authors":"Anna Zhukovskaya, Christopher A Zimmerman, Lindsay Willmore, Alejandro Pan-Vazquez, Sanjeev R Janarthanan, Laura A Lynch, Annegret L Falkner, Ilana B Witten","doi":"10.1016/j.neuron.2024.09.009","DOIUrl":"10.1016/j.neuron.2024.09.009","url":null,"abstract":"<p><p>Some individuals are susceptible to chronic stress, and others are more resilient. While many brain regions implicated in learning are dysregulated after stress, little is known about whether and how neural teaching signals during stress differ between susceptible and resilient individuals. Here, we seek to determine if activity in the lateral habenula (LHb), which encodes a negative teaching signal, differs between susceptible and resilient mice during stress to produce different outcomes. After (but not before) chronic social defeat stress, the LHb is active when susceptible mice are in proximity of the aggressor strain. During stress, activity is higher in susceptible mice during aggressor interactions, and activation biases mice toward susceptibility. This manipulation generates a persistent and widespread increase in the balance of subcortical vs. cortical activity in susceptible mice. Taken together, our results indicate that heightened activity in the LHb during stress produces lasting brainwide and behavioral substrates of susceptibility.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":""},"PeriodicalIF":14.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142406663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-10-03DOI: 10.1016/j.neuron.2024.09.010
SeungHyun Lee, Ueli Rutishauser, Katalin M Gothard
{"title":"Social status as a latent variable in the amygdala of observers of social interactions.","authors":"SeungHyun Lee, Ueli Rutishauser, Katalin M Gothard","doi":"10.1016/j.neuron.2024.09.010","DOIUrl":"10.1016/j.neuron.2024.09.010","url":null,"abstract":"<p><p>Successful integration into a hierarchical social group requires knowledge of the status of each individual and of the rules that govern social interactions within the group. In species that lack morphological indicators of status, social status can be inferred by observing the signals exchanged between individuals. We simulated social interactions between macaques by juxtaposing videos of aggressive and appeasing displays, where two individuals appeared in each other's line of sight and their displays were timed to suggest the reciprocation of dominant and subordinate signals. Viewers of these videos successfully inferred the social status of the interacting characters. Dominant individuals attracted more social attention from viewers even when they were not engaged in social displays. Neurons in the viewers' amygdala signaled the status of both the attended (fixated) and the unattended individuals, suggesting that in third-party observers of social interactions, the amygdala jointly signals the status of interacting parties.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":""},"PeriodicalIF":14.7,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142400860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A small population of stress-responsive neurons in the hypothalamus-habenula circuit mediates development of depression-like behavior in mice.","authors":"Zhiwei Zheng, Yiqin Liu, Ruiqi Mu, Xiaonan Guo, Yirong Feng, Chen Guo, Liang Yang, Wenxi Qiu, Qi Zhang, Wei Yang, Zhaoqi Dong, Shuang Qiu, Yiyan Dong, Yihui Cui","doi":"10.1016/j.neuron.2024.09.012","DOIUrl":"https://doi.org/10.1016/j.neuron.2024.09.012","url":null,"abstract":"<p><p>Accumulating evidence has shown that various brain functions are associated with experience-activated neuronal ensembles. However, whether such neuronal ensembles are engaged in the pathogenesis of stress-induced depression remains elusive. Utilizing activity-dependent viral strategies in mice, we identified a small population of stress-responsive neurons, primarily located in the middle part of the lateral hypothalamus (mLH) and the medial part of the lateral habenula (LHbM). These neurons serve as \"starter cells\" to transmit stress-related information and mediate the development of depression-like behaviors during chronic stress. Starter cells in the mLH and LHbM form dominant connections, which are selectively potentiated by chronic stress. Silencing these connections during chronic stress prevents the development of depression-like behaviors, whereas activating these connections directly elicits depression-like behaviors without stress experience. Collectively, our findings dissect a core functional unit within the LH-LHb circuit that mediates the development of depression-like behaviors in mice.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":""},"PeriodicalIF":14.7,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142400859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-10-01DOI: 10.1016/j.neuron.2024.09.002
Alberto Silvio Chiappa, Pablo Tano, Nisheet Patel, Abigaïl Ingster, Alexandre Pouget, Alexander Mathis
{"title":"Acquiring musculoskeletal skills with curriculum-based reinforcement learning.","authors":"Alberto Silvio Chiappa, Pablo Tano, Nisheet Patel, Abigaïl Ingster, Alexandre Pouget, Alexander Mathis","doi":"10.1016/j.neuron.2024.09.002","DOIUrl":"10.1016/j.neuron.2024.09.002","url":null,"abstract":"<p><p>Efficient musculoskeletal simulators and powerful learning algorithms provide computational tools to tackle the grand challenge of understanding biological motor control. Our winning solution for the inaugural NeurIPS MyoChallenge leverages an approach mirroring human skill learning. Using a novel curriculum learning approach, we trained a recurrent neural network to control a realistic model of the human hand with 39 muscles to rotate two Baoding balls in the palm of the hand. In agreement with data from human subjects, the policy uncovers a small number of kinematic synergies, even though it is not explicitly biased toward low-dimensional solutions. However, selectively inactivating parts of the control signal, we found that more dimensions contribute to the task performance than suggested by traditional synergy analysis. Overall, our work illustrates the emerging possibilities at the interface of musculoskeletal physics engines, reinforcement learning, and neuroscience to advance our understanding of biological motor control.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":""},"PeriodicalIF":14.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142365946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25DOI: 10.1016/j.neuron.2024.08.023
Candice Fung, Pieter Vanden Berghe
{"title":"Regenerating enteric neurites navigate the adult intestine using a glial positioning system?","authors":"Candice Fung, Pieter Vanden Berghe","doi":"10.1016/j.neuron.2024.08.023","DOIUrl":"https://doi.org/10.1016/j.neuron.2024.08.023","url":null,"abstract":"<p><p>While the enteric nervous system (ENS) is highly dynamic during development, the extent to which it is capable of repair remains unclear. In this issue of Neuron, Stavely et al.<sup>1</sup> show that enteric neurons can reinnervate damaged regions to regain functionality using a glial positioning system (GPS) as their guide.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":"112 18","pages":"2993-2995"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25DOI: 10.1016/j.neuron.2024.07.027
Jonas J Neher, Mikael Simons
{"title":"Protective lifelines: Tunneling nanotubes connect neurons and microglia.","authors":"Jonas J Neher, Mikael Simons","doi":"10.1016/j.neuron.2024.07.027","DOIUrl":"https://doi.org/10.1016/j.neuron.2024.07.027","url":null,"abstract":"<p><p>Tunneling nanotubes (TNTs) facilitate the exchange of intracellular cargo between cells. In this issue of Neuron, Scheiblich et al.<sup>1</sup> reveal that TNTs selectively mediate the bidirectional transfer of cytoplasmic protein aggregates from neurons to microglia and mitochondria from microglia to neurons, thereby preserving neuronal health.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":"112 18","pages":"2991-2993"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25Epub Date: 2024-07-16DOI: 10.1016/j.neuron.2024.06.021
Ruchira M Jha, Dhivyaa Rajasundaram, Chaim Sneiderman, Brent T Schlegel, Casey O'Brien, Zujian Xiong, Keri Janesko-Feldman, Ria Trivedi, Vincent Vagni, Benjamin E Zusman, Joshua S Catapano, Adam Eberle, Shashvat M Desai, Ashutosh P Jadhav, Sandra Mihaljevic, Margaux Miller, Sudhanshu Raikwar, Anupama Rani, Jarrod Rulney, Shima Shahjouie, Itay Raphael, Aditya Kumar, Chia-Ling Phuah, Ethan A Winkler, Dennis W Simon, Patrick M Kochanek, Gary Kohanbash
{"title":"A single-cell atlas deconstructs heterogeneity across multiple models in murine traumatic brain injury and identifies novel cell-specific targets.","authors":"Ruchira M Jha, Dhivyaa Rajasundaram, Chaim Sneiderman, Brent T Schlegel, Casey O'Brien, Zujian Xiong, Keri Janesko-Feldman, Ria Trivedi, Vincent Vagni, Benjamin E Zusman, Joshua S Catapano, Adam Eberle, Shashvat M Desai, Ashutosh P Jadhav, Sandra Mihaljevic, Margaux Miller, Sudhanshu Raikwar, Anupama Rani, Jarrod Rulney, Shima Shahjouie, Itay Raphael, Aditya Kumar, Chia-Ling Phuah, Ethan A Winkler, Dennis W Simon, Patrick M Kochanek, Gary Kohanbash","doi":"10.1016/j.neuron.2024.06.021","DOIUrl":"10.1016/j.neuron.2024.06.021","url":null,"abstract":"<p><p>Traumatic brain injury (TBI) heterogeneity remains a critical barrier to translating therapies. Identifying final common pathways/molecular signatures that integrate this heterogeneity informs biomarker and therapeutic-target development. We present the first large-scale murine single-cell atlas of the transcriptomic response to TBI (334,376 cells) across clinically relevant models, sex, brain region, and time as a foundational step in molecularly deconstructing TBI heterogeneity. Results were unique to cell populations, injury models, sex, brain regions, and time, highlighting the importance of cell-level resolution. We identify cell-specific targets and previously unrecognized roles for microglial and ependymal subtypes. Ependymal-4 was a hub of neuroinflammatory signaling. A distinct microglial lineage shared features with disease-associated microglia at 24 h, with persistent gene-expression changes in microglia-4 even 6 months after contusional TBI, contrasting all other cell types that mostly returned to naive levels. Regional and sexual dimorphism were noted. CEREBRI, our searchable atlas (https://shiny.crc.pitt.edu/cerebri/), identifies previously unrecognized cell subtypes/molecular targets and is a leverageable platform for future efforts in TBI and other diseases with overlapping pathophysiology.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":"3069-3088.e4"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11578855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141634113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25Epub Date: 2024-07-22DOI: 10.1016/j.neuron.2024.06.024
Amanda H Lewis, Marie E Cronin, Jörg Grandl
{"title":"Piezo1 ion channels are capable of conformational signaling.","authors":"Amanda H Lewis, Marie E Cronin, Jörg Grandl","doi":"10.1016/j.neuron.2024.06.024","DOIUrl":"10.1016/j.neuron.2024.06.024","url":null,"abstract":"<p><p>Piezo1 is a mechanically activated ion channel that senses forces with short latency and high sensitivity. Piezos undergo large conformational changes, induce far-reaching deformation onto the membrane, and modulate the function of two-pore potassium (K<sub>2P</sub>) channels. Taken together, this led us to hypothesize that Piezos may be able to signal their conformational state to other nearby proteins. Here, we use chemical control to acutely restrict Piezo1 conformational flexibility and show that Piezo1 conformational changes, but not ion permeation through them, are required for modulating the K<sub>2P</sub> channel K<sub>2P</sub>2.1 (TREK1). Super-resolution imaging and stochastic simulations further reveal that both channels do not co-localize, which implies that modulation is not mediated through direct binding interactions; however, at high Piezo1 densities, most TREK1 channels are within the predicted Piezo1 membrane footprint, suggesting that the footprint may underlie conformational signaling. We speculate that physiological roles originally attributed to Piezo1 ionotropic function could, alternatively, involve conformational signaling.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":" ","pages":"3161-3175.e5"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11427155/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141752273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25DOI: 10.1016/j.neuron.2024.09.008
Cori Bargmann
{"title":"Cori Bargmann.","authors":"Cori Bargmann","doi":"10.1016/j.neuron.2024.09.008","DOIUrl":"https://doi.org/10.1016/j.neuron.2024.09.008","url":null,"abstract":"<p><p>In an interview with Neuron, Cori Bargmann discusses C. elegans as a model organism, the importance of considering the animal's own world (thinking like a worm), choosing a scientific problem, and her experience as head of science at the Chan Zuckerberg Initiative and co-chair of the BRAIN Initiative.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":"112 18","pages":"2999-3002"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeuronPub Date : 2024-09-25DOI: 10.1016/j.neuron.2024.09.005
Greta Tuckute, Evelina Fedorenko
{"title":"An abstract linguistic space for transmitting information from one mind to another.","authors":"Greta Tuckute, Evelina Fedorenko","doi":"10.1016/j.neuron.2024.09.005","DOIUrl":"https://doi.org/10.1016/j.neuron.2024.09.005","url":null,"abstract":"<p><p>In this issue of Neuron, Zada et al.<sup>1</sup> examine how linguistic information flows from a speaker's brain to a listener's brain during face-to-face spontaneous conversation. The authors use intracranial recordings from five pairs of epilepsy patients and neural network language models to establish the existence of an abstract, linguistic space that is shared during conversation.</p>","PeriodicalId":19313,"journal":{"name":"Neuron","volume":"112 18","pages":"2996-2998"},"PeriodicalIF":14.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}