首页 > 最新文献

Current Opinion in Neurobiology最新文献

英文 中文
Interactions between homeostatic plasticity and statistical learning: A role for inhibition 稳态可塑性与统计学习之间的相互作用:抑制的作用
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-20 DOI: 10.1016/j.conb.2025.103065
Elisa Galliano , Tara Keck
Statistical learning, sensory-driven unsupervised learning of repeating patterns, must coexist with ongoing homeostatic plasticity that is responsible for the necessary balance of activity in the brain; however, the mechanisms that facilitate these interactions are not clear. While models of both statistical learning, a form of associative plasticity, and homeostatic plasticity have primarily focused on excitatory cells and their synaptic changes, inhibition may play a key role in facilitating the balance between homeostatic plasticity and statistical learning. Here, we review the inhibitory synaptic, cellular, and network mechanisms underlying homeostatic and associative plasticity in rodents and propose a model in which localized inhibition, provided by diverse interneuron types, supports both statistical learning and homeostatic plasticity, as well as the interactions between them.
统计学习,重复模式的感觉驱动的无监督学习,必须与负责大脑活动必要平衡的持续稳态可塑性共存;然而,促进这些相互作用的机制尚不清楚。虽然统计学习(联想可塑性的一种形式)和稳态可塑性的模型主要关注兴奋性细胞及其突触变化,但抑制可能在促进稳态可塑性和统计学习之间的平衡中发挥关键作用。在此,我们回顾了抑制突触、细胞和网络机制在啮齿动物体内的稳态和联想可塑性,并提出了一个模型,在这个模型中,由不同的中间神经元类型提供的局部抑制支持统计学习和稳态可塑性,以及它们之间的相互作用。
{"title":"Interactions between homeostatic plasticity and statistical learning: A role for inhibition","authors":"Elisa Galliano ,&nbsp;Tara Keck","doi":"10.1016/j.conb.2025.103065","DOIUrl":"10.1016/j.conb.2025.103065","url":null,"abstract":"<div><div>Statistical learning, sensory-driven unsupervised learning of repeating patterns, must coexist with ongoing homeostatic plasticity that is responsible for the necessary balance of activity in the brain; however, the mechanisms that facilitate these interactions are not clear. While models of both statistical learning, a form of associative plasticity, and homeostatic plasticity have primarily focused on excitatory cells and their synaptic changes, inhibition may play a key role in facilitating the balance between homeostatic plasticity and statistical learning. Here, we review the inhibitory synaptic, cellular, and network mechanisms underlying homeostatic and associative plasticity in rodents and propose a model in which localized inhibition, provided by diverse interneuron types, supports both statistical learning and homeostatic plasticity, as well as the interactions between them.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103065"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
What’s the occasion? Phasic dopamine signaling and interoception 是什么场合?阶段性多巴胺信号和内感受
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-07-02 DOI: 10.1016/j.conb.2025.103074
Mitchell F. Roitman , James E. McCutcheon
Phasic dopamine is critically important in reward-related learning and assigns value to actions triggered by cues. Outcomes of actions in turn adjust the probability that a behavior will be repeated. That is, outcomes reinforce behavior—a process that also involves phasic dopamine. The value of actions and their outcomes, though, is ever fluctuating. Internal state—from physiological need through satiation—gates or applies gain to cue-evoked actions and the evaluation of their outcomes. We focus on how interoceptive signals may influence dopamine neurons to modify the phasic signaling underlying cue and reward-directed behaviors. We focus on interoceptive signals that arise from food or fluid deficit since the peripheral hormonal responses to such needs are relatively well established. A puzzle for the field is understanding how slowly accumulating and more tonic-like physiological signals are integrated to tune the brief and tightly time-locked phasic dopamine responses to environmental stimuli.
阶段性多巴胺在与奖励相关的学习中至关重要,并为由提示触发的行为分配价值。行动的结果反过来又调整了行为重复的可能性。也就是说,结果会强化行为——这一过程也涉及到阶段性多巴胺。然而,行动的价值及其结果是不断波动的。内部状态-从生理需要到满足门或应用增益到线索诱发的行动及其结果的评估。我们关注的是内感受信号如何影响多巴胺神经元,从而改变提示和奖励导向行为下的相位信号。我们关注的是由食物或液体缺乏引起的内感受信号,因为对这些需求的外周激素反应是相对完善的。该领域的一个难题是,如何将缓慢积累的、更像强直的生理信号整合起来,以调整短暂而紧锁时间的多巴胺对环境刺激的反应。
{"title":"What’s the occasion? Phasic dopamine signaling and interoception","authors":"Mitchell F. Roitman ,&nbsp;James E. McCutcheon","doi":"10.1016/j.conb.2025.103074","DOIUrl":"10.1016/j.conb.2025.103074","url":null,"abstract":"<div><div>Phasic dopamine is critically important in reward-related learning and assigns value to actions triggered by cues. Outcomes of actions in turn adjust the probability that a behavior will be repeated. That is, outcomes reinforce behavior—a process that also involves phasic dopamine. The value of actions and their outcomes, though, is ever fluctuating. Internal state—from physiological need through satiation—gates or applies gain to cue-evoked actions and the evaluation of their outcomes. We focus on how interoceptive signals may influence dopamine neurons to modify the phasic signaling underlying cue and reward-directed behaviors. We focus on interoceptive signals that arise from food or fluid deficit since the peripheral hormonal responses to such needs are relatively well established. A puzzle for the field is understanding how slowly accumulating and more tonic-like physiological signals are integrated to tune the brief and tightly time-locked phasic dopamine responses to environmental stimuli.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103074"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144523749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How radial glia progenitor lineages generate cell-type diversity in the developing cerebral cortex 放射状胶质祖细胞谱系如何在发育中的大脑皮层中产生细胞类型多样性
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-05-17 DOI: 10.1016/j.conb.2025.103046
Fabrizia Pipicelli , Ana Villalba , Simon Hippenmeyer
The cerebral cortex is arguably the most complex organ in humans. The cortical architecture is characterized by a remarkable diversity of neuronal and glial cell types that make up its neuronal circuits. Following a precise temporally ordered program, radial glia progenitor (RGP) cells generate all cortical excitatory projection neurons and glial cell-types. Cortical excitatory projection neurons are produced either directly or via intermediate progenitors, through indirect neurogenesis. How the extensive cortical cell-type diversity is generated during cortex development remains, however, a fundamental open question. How do RGPs quantitatively and qualitatively generate all the neocortical neurons? How does direct and indirect neurogenesis contribute to the establishment of neuronal and lineage heterogeneity? Whether RGPs represent a homogeneous and/or multipotent progenitor population, or if RGPs consist of heterogeneous groups is currently also not known. In this review, we will summarize the latest findings that contributed to a deeper insight into the above key questions.
大脑皮层可以说是人类最复杂的器官。皮层结构的特点是组成其神经元回路的神经元和胶质细胞类型的显著多样性。放射状胶质祖细胞(RGP)遵循一个精确的时间顺序程序,生成所有皮层兴奋性投射神经元和胶质细胞类型。皮层兴奋性投射神经元可以直接产生,也可以通过中间祖细胞间接神经发生产生。然而,在皮层发育过程中,广泛的皮层细胞类型多样性是如何产生的,仍然是一个基本的开放性问题。rgp是如何定量和定性地产生所有新皮质神经元的?直接和间接神经发生如何促进神经元和谱系异质性的建立?目前还不清楚rgp是否代表同质和/或多能祖群体,或者rgp是否由异质群体组成。在这篇综述中,我们将总结有助于更深入地了解上述关键问题的最新发现。
{"title":"How radial glia progenitor lineages generate cell-type diversity in the developing cerebral cortex","authors":"Fabrizia Pipicelli ,&nbsp;Ana Villalba ,&nbsp;Simon Hippenmeyer","doi":"10.1016/j.conb.2025.103046","DOIUrl":"10.1016/j.conb.2025.103046","url":null,"abstract":"<div><div>The cerebral cortex is arguably the most complex organ in humans. The cortical architecture is characterized by a remarkable diversity of neuronal and glial cell types that make up its neuronal circuits. Following a precise temporally ordered program, radial glia progenitor (RGP) cells generate all cortical excitatory projection neurons and glial cell-types. Cortical excitatory projection neurons are produced either directly or via intermediate progenitors, through indirect neurogenesis. How the extensive cortical cell-type diversity is generated during cortex development remains, however, a fundamental open question. How do RGPs quantitatively and qualitatively generate all the neocortical neurons? How does direct and indirect neurogenesis contribute to the establishment of neuronal and lineage heterogeneity? Whether RGPs represent a homogeneous and/or multipotent progenitor population, or if RGPs consist of heterogeneous groups is currently also not known. In this review, we will summarize the latest findings that contributed to a deeper insight into the above key questions.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103046"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144070738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuromodulatory processing in the bi-pathway brain architecture 双通路脑结构中的神经调节加工
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-05-23 DOI: 10.1016/j.conb.2025.103055
Fu-Ning Li , Chang-Mei Zhang , Jiu-Lin Du
The brain is inherently a complex and parallel system that processes both external and internal sensory cues to generate adaptive responses. Sensory cues encapsulate not only objective information about their physical and chemical properties but also subjective information related to their ecological significance. Objective information is processed and conveyed through relatively stereotyped sensorimotor pathways to drive behaviors, while subjective information is received and transmitted through relatively flexible neuromodulatory systems. These neuromodulatory pathways influence signal processing of the sensorimotor pathways at multiple stages by modulating neuronal excitability and the efficiency of synaptic transmission, thereby endowing animals with flexibility. This sophisticated neuromodulatory processing is finely tuned by the spatiotemporal dynamics of various neuromodulators released from specialized neuromodulatory neurons that encode sensory, motor as well as cognitive variables. Dysfunctions in neuromodulatory pathways disrupt spatiotemporal patterns of neuromodulators, which in turn compromise sensorimotor transformation and cognitive functions. This review aims to delineate the mechanisms and roles of neuromodulatory processing within the bi-pathway brain architecture and propose prospective research topics along with innovative experimental paradigms.
大脑本质上是一个复杂的并行系统,它处理外部和内部的感官线索,以产生适应性反应。感官线索不仅包含有关其物理和化学性质的客观信息,还包含有关其生态意义的主观信息。客观信息的处理和传递是通过相对刻板的感觉运动通路来驱动行为的,而主观信息的接收和传递是通过相对灵活的神经调节系统来实现的。这些神经调节通路通过调节神经元的兴奋性和突触传递的效率,在多个阶段影响感觉运动通路的信号处理,从而赋予动物灵活性。这种复杂的神经调节过程是由专门的神经调节神经元释放的各种神经调节剂的时空动态精细调节的,这些神经调节剂编码感觉、运动和认知变量。神经调节通路的功能障碍破坏了神经调节剂的时空模式,从而损害了感觉运动转化和认知功能。本文旨在阐述双通路脑结构中神经调节加工的机制和作用,并提出前瞻性的研究课题和创新的实验范式。
{"title":"Neuromodulatory processing in the bi-pathway brain architecture","authors":"Fu-Ning Li ,&nbsp;Chang-Mei Zhang ,&nbsp;Jiu-Lin Du","doi":"10.1016/j.conb.2025.103055","DOIUrl":"10.1016/j.conb.2025.103055","url":null,"abstract":"<div><div>The brain is inherently a complex and parallel system that processes both external and internal sensory cues to generate adaptive responses. Sensory cues encapsulate not only objective information about their physical and chemical properties but also subjective information related to their ecological significance. Objective information is processed and conveyed through relatively stereotyped sensorimotor pathways to drive behaviors, while subjective information is received and transmitted through relatively flexible neuromodulatory systems. These neuromodulatory pathways influence signal processing of the sensorimotor pathways at multiple stages by modulating neuronal excitability and the efficiency of synaptic transmission, thereby endowing animals with flexibility. This sophisticated neuromodulatory processing is finely tuned by the spatiotemporal dynamics of various neuromodulators released from specialized neuromodulatory neurons that encode sensory, motor as well as cognitive variables. Dysfunctions in neuromodulatory pathways disrupt spatiotemporal patterns of neuromodulators, which in turn compromise sensorimotor transformation and cognitive functions. This review aims to delineate the mechanisms and roles of neuromodulatory processing within the bi-pathway brain architecture and propose prospective research topics along with innovative experimental paradigms.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103055"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144114831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Burst firing represents learned composite stimuli in primary sensory cortices 突发放电是初级感觉皮层习得性复合刺激的表现
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-05-06 DOI: 10.1016/j.conb.2025.103039
Hongbo Jia , Meng Wang , Janelle M.P. Pakan , Sunny C. Li , Xiaowei Chen
The primary cortical areas of each sensory modality occupy a significant portion of the mammalian neocortex. Beyond mapping basic sensory features, such as visual object orientation or sound frequency, these regions may play a broader role in sensory processing. Here, we review recent advances in our understanding of sensory representations through a unique neuronal firing mode called bursting, with a particular focus on layer 2/3 (L2/3) pyramidal neurons. While maps of single-feature inputs are preserved in primary sensory cortices, individual L2/3 pyramidal neurons receive heterogeneous inputs from multiple basic features. The co-activation of these inputs can induce bursting, forming sparse yet persistent representations of composite sensory stimuli. Unlike basic sensory feature maps, which drift over time, experience-driven bursting patterns in L2/3 remain stable over long periods. Notably, these bursting representations are holistic, as single-featured component stimuli rarely elicit such activity. We propose that these holistic bursting neurons (HB neurons) in L2/3 play a crucial role in integrating sensory experiences, generating durable, sparse, and reliable representations that may serve as building blocks of long-term memory in the complexity of the real-world.
每种感觉模式的初级皮层区域占据了哺乳动物新皮层的重要部分。除了映射基本的感觉特征,如视觉对象的方向或声音频率,这些区域可能在感觉处理中发挥更广泛的作用。在这里,我们回顾了最近的进展,我们的感觉表征的理解通过一个独特的神经元放电模式称为爆破,特别关注第2/3层(L2/3)锥体神经元。虽然单一特征输入的映射保存在初级感觉皮质中,但单个L2/3锥体神经元接收来自多个基本特征的异质输入。这些输入的共同激活可以诱导爆发,形成稀疏但持久的复合感官刺激表征。与基本的随时间变化的感官特征地图不同,L2/3中经验驱动的爆发模式在很长一段时间内保持稳定。值得注意的是,这些爆发表征是整体的,因为单一特征的成分刺激很少引起这种活动。我们认为L2/3中的这些整体爆发神经元(HB神经元)在整合感官体验、产生持久、稀疏和可靠的表征方面发挥着至关重要的作用,这些表征可能作为现实世界复杂性中长期记忆的基石。
{"title":"Burst firing represents learned composite stimuli in primary sensory cortices","authors":"Hongbo Jia ,&nbsp;Meng Wang ,&nbsp;Janelle M.P. Pakan ,&nbsp;Sunny C. Li ,&nbsp;Xiaowei Chen","doi":"10.1016/j.conb.2025.103039","DOIUrl":"10.1016/j.conb.2025.103039","url":null,"abstract":"<div><div>The primary cortical areas of each sensory modality occupy a significant portion of the mammalian neocortex. Beyond mapping basic sensory features, such as visual object orientation or sound frequency, these regions may play a broader role in sensory processing. Here, we review recent advances in our understanding of sensory representations through a unique neuronal firing mode called bursting, with a particular focus on layer 2/3 (L2/3) pyramidal neurons. While maps of single-feature inputs are preserved in primary sensory cortices, individual L2/3 pyramidal neurons receive heterogeneous inputs from multiple basic features. The co-activation of these inputs can induce bursting, forming sparse yet persistent representations of composite sensory stimuli. Unlike basic sensory feature maps, which drift over time, experience-driven bursting patterns in L2/3 remain stable over long periods. Notably, these bursting representations are holistic, as single-featured component stimuli rarely elicit such activity. We propose that these holistic bursting neurons (HB neurons) in L2/3 play a crucial role in integrating sensory experiences, generating durable, sparse, and reliable representations that may serve as building blocks of long-term memory in the complexity of the real-world.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103039"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143913177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gut-brain communication: Functional anatomy of vagal afferents 肠脑通讯:迷走神经传入的功能解剖
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-02 DOI: 10.1016/j.conb.2025.103058
Hans-Rudolf Berthoud , Heike Münzberg , Christopher D. Morrison , Winfried L. Neuhuber
There is increasing interest in interoceptive mechanisms as a key player in mental health. The vagus nerve is an important pathway of communication between the body and the brain, and recent advances in neurobiological techniques have enabled the identification of function-specific populations of vagal sensory neurons. Here we briefly review this progress, focusing on vagal innervation of the gut and its involvement in ingestive behavior, metabolic regulation, and immune defense. While we have learned much about the organization of the peripheral interface of the sensory vagal system, dissemination of information within the brain is still poorly understood. Yet, a deeper understanding of the brain's integration of vagal input will be necessary for the informed development of neuromodulation therapies for various diseases linked to interoception.
人们对内感受机制作为心理健康的关键因素越来越感兴趣。迷走神经是身体和大脑之间沟通的重要途径,神经生物学技术的最新进展使迷走感觉神经元的功能特异性群体的鉴定成为可能。在这里,我们简要回顾了这方面的进展,重点是肠道迷走神经支配及其在摄食行为、代谢调节和免疫防御中的参与。虽然我们已经对感觉迷走神经系统的外围接口的组织有了很多了解,但对大脑内信息的传播仍然知之甚少。然而,更深入地了解大脑对迷走神经输入的整合,对于开发与内感受相关的各种疾病的神经调节疗法是必要的。
{"title":"Gut-brain communication: Functional anatomy of vagal afferents","authors":"Hans-Rudolf Berthoud ,&nbsp;Heike Münzberg ,&nbsp;Christopher D. Morrison ,&nbsp;Winfried L. Neuhuber","doi":"10.1016/j.conb.2025.103058","DOIUrl":"10.1016/j.conb.2025.103058","url":null,"abstract":"<div><div>There is increasing interest in interoceptive mechanisms as a key player in mental health. The vagus nerve is an important pathway of communication between the body and the brain, and recent advances in neurobiological techniques have enabled the identification of function-specific populations of vagal sensory neurons. Here we briefly review this progress, focusing on vagal innervation of the gut and its involvement in ingestive behavior, metabolic regulation, and immune defense. While we have learned much about the organization of the peripheral interface of the sensory vagal system, dissemination of information within the brain is still poorly understood. Yet, a deeper understanding of the brain's integration of vagal input will be necessary for the informed development of neuromodulation therapies for various diseases linked to interoception.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103058"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principles of synaptogenesis: Insights from Caenorhabditis elegans 突触发生的原理:来自秀丽隐杆线虫的见解
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-07 DOI: 10.1016/j.conb.2025.103056
Elisa B. Frankel , Peri T. Kurshan
Synapses are specialized junctions that facilitate communication between neurons and their target cells, playing pivotal roles in neuronal signaling, circuit wiring, and neural activity. Research using the model organism Caenorhabditis elegans has been instrumental in characterizing nervous system connectivity and uncovering the underlying genetic basis of synapse assembly, refinement, and remodeling in vivo. Recent advancements in C. elegans gene editing, microscopy, single-cell transcriptome profiling, and computational analysis have significantly advanced the field, enabling mechanistic insights into synapse formation and regulation during development and neural activity. In this review, we describe our current understanding of synapse formation, organization, and refinement based on insights gleaned from C. elegans, highlighting recent discoveries and discussing open questions and future directions.
突触是促进神经元和目标细胞之间交流的特殊连接,在神经元信号传导、电路连接和神经活动中起着关键作用。利用模式生物秀丽隐杆线虫进行的研究有助于表征神经系统的连通性,揭示体内突触组装、完善和重塑的潜在遗传基础。秀丽隐杆线虫基因编辑、显微镜、单细胞转录组分析和计算分析的最新进展显著推进了该领域的发展,使人们能够深入了解发育和神经活动期间突触形成和调控的机制。在这篇综述中,我们描述了我们目前对秀丽隐杆线虫突触形成、组织和完善的理解,强调了最近的发现,并讨论了开放的问题和未来的方向。
{"title":"Principles of synaptogenesis: Insights from Caenorhabditis elegans","authors":"Elisa B. Frankel ,&nbsp;Peri T. Kurshan","doi":"10.1016/j.conb.2025.103056","DOIUrl":"10.1016/j.conb.2025.103056","url":null,"abstract":"<div><div>Synapses are specialized junctions that facilitate communication between neurons and their target cells, playing pivotal roles in neuronal signaling, circuit wiring, and neural activity. Research using the model organism <em>Caenorhabditis elegans</em> has been instrumental in characterizing nervous system connectivity and uncovering the underlying genetic basis of synapse assembly, refinement, and remodeling <em>in vivo</em>. Recent advancements in <em>C. elegans</em> gene editing, microscopy, single-cell transcriptome profiling, and computational analysis have significantly advanced the field, enabling mechanistic insights into synapse formation and regulation during development and neural activity. In this review, we describe our current understanding of synapse formation, organization, and refinement based on insights gleaned from <em>C. elegans</em>, highlighting recent discoveries and discussing open questions and future directions.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103056"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial overview: Mechanisms underlying neurodevelopmental disorders 编辑概述:神经发育障碍的机制
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-30 DOI: 10.1016/j.conb.2025.103043
M. Chiara Manzini, Toru Takumi
{"title":"Editorial overview: Mechanisms underlying neurodevelopmental disorders","authors":"M. Chiara Manzini,&nbsp;Toru Takumi","doi":"10.1016/j.conb.2025.103043","DOIUrl":"10.1016/j.conb.2025.103043","url":null,"abstract":"","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103043"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144514163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neural-circuit architecture underlying non-image-forming visual functions 非图像形成视觉功能的神经电路结构
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-05-24 DOI: 10.1016/j.conb.2025.103052
Jiawei Shen , Tian Xue
Perceiving and responding to environmental cues underpins survival and cognition. Light, emerging as one of the most ancient and powerful signals, has shaped life on Earth for billions of years. In mammals, light information is primarily detected by retinal photoreceptors: rods, cones, and intrinsically photosensitive retinal ganglion cells. While rods and cones enable image-forming vision, evolution has preserved and extended evolutionarily ancient yet critical non-image-forming visual functions, including circadian photoentrainment, pupillary light reflexes, and light-mediated modulation of metabolism, mood, and neurodevelopment. Although non-image-forming visual functions have been partially characterized in humans and model organisms, our understanding of the neural circuit mechanisms by which light orchestrates diverse behavior remains fragmented. The discovery of ipRGCs, combined with recent advances in systems neuroscience tools, has yielded critical breakthroughs in three domains: (1) light information encoding within photoreceptors, (2) systematic mapping of retinofugal pathways, and (3) central mechanisms of light-regulated physiological functions. These advances have progressively unraveled causal relationships between non-image-forming visual functions and their underlying eye-brain circuitry. This review summarizes groundbreaking progress in the three domains discussed above, highlighting key unresolved questions in the field.
对环境线索的感知和反应是生存和认知的基础。光是最古老、最强大的信号之一,数十亿年来,它塑造了地球上的生命。在哺乳动物中,光信息主要是通过视网膜感光器:视杆细胞、视锥细胞和本质上感光的视网膜神经节细胞来检测的。虽然视杆细胞和视锥细胞能够形成图像,但进化保留并扩展了进化上古老但关键的非图像形成视觉功能,包括昼夜节律光携带、瞳孔光反射、光介导的代谢、情绪和神经发育调节。虽然人类和模式生物的非图像形成视觉功能已经被部分表征,但我们对光协调各种行为的神经回路机制的理解仍然是碎片化的。iprgc的发现,结合系统神经科学工具的最新进展,在三个领域取得了重大突破:(1)光感受器内的光信息编码,(2)视网膜通路的系统映射,以及(3)光调节生理功能的中心机制。这些进步逐渐揭示了非图像形成视觉功能与其潜在的眼-脑回路之间的因果关系。本文综述了上述三个领域的突破性进展,突出了该领域尚未解决的关键问题。
{"title":"Neural-circuit architecture underlying non-image-forming visual functions","authors":"Jiawei Shen ,&nbsp;Tian Xue","doi":"10.1016/j.conb.2025.103052","DOIUrl":"10.1016/j.conb.2025.103052","url":null,"abstract":"<div><div>Perceiving and responding to environmental cues underpins survival and cognition. Light, emerging as one of the most ancient and powerful signals, has shaped life on Earth for billions of years. In mammals, light information is primarily detected by retinal photoreceptors: rods, cones, and intrinsically photosensitive retinal ganglion cells. While rods and cones enable image-forming vision, evolution has preserved and extended evolutionarily ancient yet critical non-image-forming visual functions, including circadian photoentrainment, pupillary light reflexes, and light-mediated modulation of metabolism, mood, and neurodevelopment. Although non-image-forming visual functions have been partially characterized in humans and model organisms, our understanding of the neural circuit mechanisms by which light orchestrates diverse behavior remains fragmented. The discovery of ipRGCs, combined with recent advances in systems neuroscience tools, has yielded critical breakthroughs in three domains: (1) light information encoding within photoreceptors, (2) systematic mapping of retinofugal pathways, and (3) central mechanisms of light-regulated physiological functions. These advances have progressively unraveled causal relationships between non-image-forming visual functions and their underlying eye-brain circuitry. This review summarizes groundbreaking progress in the three domains discussed above, highlighting key unresolved questions in the field.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103052"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macroautophagy at the service of synapses 为突触服务的巨噬
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-05-24 DOI: 10.1016/j.conb.2025.103054
Erin Wosnitzka, Lisa Gambarotto, Vassiliki Nikoletopoulou
Post-mitotic and highly polarized neurons are dependent on the fitness of their synapses, which are often found a long distance away from the soma. How the synaptic proteome is maintained, dynamically reshaped, and continuously turned over is a topic of intense investigation. Autophagy, a highly conserved, lysosome-mediated degradation pathway has emerged as a vital component of long-term neuronal maintenance, and now more specifically of synaptic homeostasis. Here, we review the most recent findings on how autophagy undergoes both dynamic and local regulation at the synapse, and how it contributes to pre- and post-synaptic proteostasis and function. We also discuss the insights and open questions that this new evidence brings.
有丝分裂后和高度极化的神经元依赖于它们的突触的适应性,这些突触通常在离体细胞很远的地方被发现。突触蛋白质组是如何维持、动态重塑和不断翻转的是一个激烈研究的话题。自噬是一种高度保守的溶酶体介导的降解途径,已成为神经元长期维持的重要组成部分,现在更具体地说,是突触稳态的重要组成部分。在这里,我们回顾了自噬如何在突触中经历动态和局部调节,以及它如何促进突触前和突触后的蛋白质平衡和功能的最新发现。我们还讨论了这一新证据带来的见解和开放性问题。
{"title":"Macroautophagy at the service of synapses","authors":"Erin Wosnitzka,&nbsp;Lisa Gambarotto,&nbsp;Vassiliki Nikoletopoulou","doi":"10.1016/j.conb.2025.103054","DOIUrl":"10.1016/j.conb.2025.103054","url":null,"abstract":"<div><div>Post-mitotic and highly polarized neurons are dependent on the fitness of their synapses, which are often found a long distance away from the soma. How the synaptic proteome is maintained, dynamically reshaped, and continuously turned over is a topic of intense investigation. Autophagy, a highly conserved, lysosome-mediated degradation pathway has emerged as a vital component of long-term neuronal maintenance, and now more specifically of synaptic homeostasis. Here, we review the most recent findings on how autophagy undergoes both dynamic and local regulation at the synapse, and how it contributes to pre- and post-synaptic proteostasis and function. We also discuss the insights and open questions that this new evidence brings.</div></div>","PeriodicalId":10999,"journal":{"name":"Current Opinion in Neurobiology","volume":"93 ","pages":"Article 103054"},"PeriodicalIF":4.8,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Current Opinion in Neurobiology
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1