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Interoception 2025 Interoception 2025。
IF 5.2 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-09-30 DOI: 10.1016/j.conb.2025.103122
Zachary A. Knight, Stephen D. Liberles
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引用次数: 0
Neural plasticity supporting parental behaviors 支持父母行为的神经可塑性
IF 5.2 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-09-13 DOI: 10.1016/j.conb.2025.103111
Patrick T. O'Neill , Dayu Lin
Becoming a parent involves extraordinary changes that allow caregivers to attend to and nurture infants. Neural circuits must adapt to the demands of caregiving to orchestrate various complex nurturing behaviors. These changes occur between two opposing circuits: a circuit primed for the expression of parenting to execute caregiving, and a circuit that suppresses this behavioral expression when the timing is not appropriate. In this review, we provide an overview of the neural circuits supporting the positive and negative control of parental behaviors and discuss mechanisms by which these opposing circuits are altered to facilitate the onset of parental care.
为人父母会带来巨大的变化,使照顾者能够照顾和养育婴儿。神经回路必须适应照顾的需要,以协调各种复杂的养育行为。这些变化发生在两个相反的回路之间:一个回路准备表达父母的养育行为来执行照顾,另一个回路在时机不合适时抑制这种行为表达。在这篇综述中,我们概述了支持父母行为的积极和消极控制的神经回路,并讨论了这些相反的回路是如何改变以促进亲代照顾的发生的机制。
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引用次数: 0
Gut-brain communication in Drosophila melanogaster 黑腹果蝇的肠脑通讯
IF 5.2 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-16 DOI: 10.1016/j.conb.2025.103096
Nilay Yapici
Over the past decades, significant advancements have transformed our understanding of the gut-brain circuits in Drosophila melanogaster. In this review, we explore how mapping these circuits and signaling pathways has deepened our knowledge of the neural and hormonal pathways that regulate nutrient preference, feeding behavior, metabolism, and other homeostatic behaviors in flies. We summarize the recent breakthroughs in gut-brain communication and highlight how these advancements have provided valuable insights into the complex relationship between the gut and the brain. Finally, we emphasize the importance of Drosophila as a model system for investigating gut-brain communication. Insights from fly research not only enhance our understanding of fundamental gut-brain biology but also provide promising avenues for identifying molecular targets for therapeutic strategies in humans for gastrointestinal and metabolic disorders.
在过去的几十年里,重大的进步已经改变了我们对黑腹果蝇肠道-大脑回路的理解。在这篇综述中,我们探讨了如何绘制这些电路和信号通路加深了我们对调节果蝇营养偏好、摄食行为、代谢和其他稳态行为的神经和激素通路的认识。我们总结了肠脑通讯的最新突破,并强调了这些进展如何为肠道和大脑之间的复杂关系提供了有价值的见解。最后,我们强调果蝇作为研究肠-脑通讯的模型系统的重要性。来自果蝇研究的见解不仅增强了我们对基本肠-脑生物学的理解,而且为确定人类胃肠道和代谢紊乱的治疗策略的分子靶点提供了有希望的途径。
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引用次数: 0
Molecular and genetic mechanisms of plasticity in addiction 成瘾可塑性的分子和遗传机制
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-04-30 DOI: 10.1016/j.conb.2025.103032
Kasey L. Brida, Jeremy J. Day
Drugs of abuse result in well-characterized changes in synapse function and number in brain reward regions such as the nucleus accumbens. However, recent reports demonstrate that only a small fraction of neurons in the nucleus accumbens are activated in response to psychostimulants such as cocaine. While these “ensemble” neurons are marked by drug-related transcriptional changes in immediate early genes, the mechanisms that ultimately link these early changes to enduring molecular alterations in the same neurons are less clear. In this review, we 1) describe potential mechanisms underlying regulation of diverse plasticity-related gene programs across drug-activated ensembles, 2) discuss factors conferring ensemble recruitment bias within seemingly homogeneous populations, and 3) speculate on the role of chromatin and epigenetic modifiers in gating metaplastic state transitions that contribute to addiction.
药物滥用导致脑奖赏区如伏隔核突触功能和数量的明显变化。然而,最近的报告表明,伏隔核中只有一小部分神经元在可卡因等精神兴奋剂的作用下被激活。虽然这些“集合”神经元的特征是直接早期基因中与药物相关的转录变化,但最终将这些早期变化与同一神经元中持久的分子改变联系起来的机制尚不清楚。在这篇综述中,我们1)描述了在药物激活的集合中多种可塑性相关基因程序调控的潜在机制,2)讨论了在看似同质的群体中赋予集合招募偏见的因素,以及3)推测染色质和表观遗传修饰因子在控制导致成瘾的化生状态转变中的作用。
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引用次数: 0
Tricking our brains to learn and remember; is all learning incidental? 欺骗我们的大脑去学习和记忆;所有的学习都是偶然的吗?
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-04-09 DOI: 10.1016/j.conb.2025.103020
Aaron R. Seitz
Do we choose what we learn? On the contrary, research suggests that much of learning is incidental. The present article reviews frameworks of incidental statistical and perceptual learning and discusses implications of these frameworks to memory. This research supports the premise that much of what we know is shaped by statistical regularities in the environment, how our attention is directed, and what reinforcement we receive from successes and failures. This incidental learning shapes what we perceive and what we remember. This idea that we don’t control when and what we learn, instead we at best trick our brain into states that will lead to desired learning outcomes, has important implications both to individuals and society.
我们选择学习什么吗?相反,研究表明,很多学习都是偶然的。本文回顾了附带统计和感知学习的框架,并讨论了这些框架对记忆的影响。这项研究支持了一个前提,即我们所知道的很多东西都是由环境中的统计规律、我们的注意力是如何被引导的、以及我们从成功和失败中得到的强化所塑造的。这种偶然的学习塑造了我们的感知和记忆。我们不能控制我们学习的时间和内容,相反,我们最多欺骗我们的大脑进入能够导致预期学习结果的状态,这一观点对个人和社会都有重要的意义。
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引用次数: 0
Latent mechanisms of plasticity are upregulated during sleep 可塑性的潜在机制在睡眠期间被上调
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-04-22 DOI: 10.1016/j.conb.2025.103029
Benjamin J. Menarchek, Michelle C.D. Bridi
Sleep is thought to serve an important role in learning and memory, but the mechanisms by which sleep promotes plasticity remain unclear. Even in the absence of plastic changes in neuronal function, many molecular, cellular, and physiological processes linked to plasticity are upregulated during sleep. Therefore, sleep may be a state in which latent plasticity mechanisms are poised to respond following novel experiences during prior wake. Many of these plasticity-related processes can promote both synaptic strengthening and weakening. Signaling pathways activated during sleep may interact with complements of proteins, determined by the content of prior waking experience, to establish the polarity of plasticity. Furthermore, precise reactivation of neuronal spiking patterns during sleep may interact with ongoing neuromodulatory, dendritic, and network activity to strengthen and weaken synapses. In this review, we will discuss the idea that sleep elevates latent plasticity mechanisms, which drive bidirectional plasticity depending on prior waking experience.
睡眠被认为在学习和记忆中起着重要作用,但睡眠促进可塑性的机制尚不清楚。即使在神经元功能没有可塑性变化的情况下,许多与可塑性相关的分子、细胞和生理过程在睡眠期间也会上调。因此,睡眠可能是一种状态,在这种状态下,潜在的可塑性机制准备对先前清醒期间的新体验做出反应。许多与可塑性相关的过程可以促进突触的增强和减弱。在睡眠期间激活的信号通路可能与蛋白质补体相互作用,由先前清醒经验的内容决定,以建立可塑性的极性。此外,睡眠期间神经元尖峰模式的精确再激活可能与正在进行的神经调节、树突和网络活动相互作用,从而增强或削弱突触。在这篇综述中,我们将讨论睡眠提高潜在可塑性机制的观点,这种机制驱动双向可塑性取决于先前的清醒经验。
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引用次数: 0
Renal interoception: form, function, and open questions 肾内感觉:形式、功能和开放性问题
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-25 DOI: 10.1016/j.conb.2025.103067
Rose Z. Hill
The kidneys filter the blood and balance fluid and electrolytes to keep the composition of the internal environment within the narrow parameters essential for life. A perturbation to the internal state, such as a sudden loss of blood or dehydration, engages autonomic efferent and neuroendocrine pathways to adjust kidney function rapidly and robustly. The mechanisms of these multiorgan pathways are extensively studied. By contrast, the roles of sensory afferent nerves in regulating renal function are just beginning to be understood. In this review, we examine recent advances in understanding the morphology, identity, and functions of the renal sensory nerves that form the first node in the interoceptive pathways that update the kidney on its own internal state. We end by highlighting open questions in the field, influenced by recent work in other areas of interoception neuroscience, and the outstanding gaps in our knowledge of kidney biology.
肾脏过滤血液,平衡液体和电解质,使体内环境的组成保持在生命所必需的狭窄参数内。内部状态的扰动,如突然失血或脱水,参与自主神经传出和神经内分泌途径,以快速而有力地调节肾功能。这些多器官通路的机制被广泛研究。相比之下,感觉传入神经在调节肾功能中的作用才刚刚开始被理解。在这篇综述中,我们研究了在理解肾感觉神经的形态、身份和功能方面的最新进展。肾感觉神经是更新肾脏自身内部状态的感觉通路中的第一个节点。最后,我们强调了该领域的开放性问题,受到近期内感受神经科学其他领域工作的影响,以及我们在肾脏生物学知识方面的突出差距。
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引用次数: 0
A neurobiology perspective on the assembly of retinal vasculature from 2D to 3D 从2D到3D视网膜血管组装的神经生物学观点
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-07-15 DOI: 10.1016/j.conb.2025.103085
Mahima Bose , Mengya Zhao , Kenichi Toma , Xin Ye , Xin Duan
The reciprocal regulation of the neural ensemble and vascular network within the mammalian central nervous system (CNS) is crucial for its development and functionality. Neuron-derived pro-angiogenic factors, such as growth factors, morphogens, and guidance cues, play a key role in forming stereotypical vascular architectures in the cortex, spinal cord, and cerebellum during development. Notably, the CNS vasculature forms distinct 3D lattice structures composed of laminar vascular networks interconnected by penetrating vessels. This contrasts with the more random 3D arborizations found in tumors. While the morphogen gradients for vascular network growth have been well-studied, the mechanisms contributing to vascular patterning and lattice maintenance in 3D are not fully understood. The mammalian retina provides an ideal model for studying these mechanisms, given its laminar organization of neurons and plexus organization of vessels, allowing for the investigation of 2D growth to 3D lattice establishment in a stepwise manner. Notably, recent studies have highlighted the roles of neurons and glia in retinal vascular patterning in 2D, as well as the involvement of neurotransmitters in regulating vascular growth. Additionally, direct neuron-to-vessel interactions have been found to contribute to 3D retinal vascular lattice formation. As emerging technologies provide new insights into retinal vascular assembly in 3D, understanding the developmental regulation and the physiological and pathophysiological effects of 3D lattice disruption remains a fertile field of research.
哺乳动物中枢神经系统(CNS)的神经系统整体和血管网络的相互调节对中枢神经系统的发育和功能至关重要。神经元来源的促血管生成因子,如生长因子、形态因子和引导因子,在发育过程中在皮层、脊髓和小脑形成典型血管结构中起关键作用。值得注意的是,中枢神经系统血管形成独特的三维晶格结构,由穿透血管相互连接的层流血管网络组成。这与在肿瘤中发现的更随机的3D结节形成对比。虽然血管网络生长的形态梯度已经得到了很好的研究,但对三维血管模式和晶格维持的机制尚未完全了解。哺乳动物视网膜为研究这些机制提供了一个理想的模型,因为它的神经元层状组织和血管丛状组织,允许以逐步的方式研究二维生长到三维晶格的建立。值得注意的是,最近的研究强调了神经元和胶质细胞在2D视网膜血管模式中的作用,以及神经递质在调节血管生长中的作用。此外,已经发现直接神经元与血管的相互作用有助于3D视网膜血管晶格的形成。随着新兴技术为三维视网膜血管组装提供了新的见解,理解三维晶格破坏的发育调节和生理和病理生理效应仍然是一个肥沃的研究领域。
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引用次数: 0
Ready or not: Neural mechanisms regulating female sexual behavior 准备好了没有:调节女性性行为的神经机制
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-06-23 DOI: 10.1016/j.conb.2025.103069
Inês C. Dias , Nicolas Gutierrez-Castellanos , Constanze Lenschow , Susana Q. Lima
Female sexual behavior is essential for reproduction and species survival. It is orchestrated by hormonal and neuronal mechanisms that coordinate sexual maturation, reproductive cycle, and the copulatory sequence, preparing the female for pregnancy. These mechanisms synchronize behavioral receptivity with reproductive capacity, ensuring that copulation occurs during optimal reproductive windows while actively suppressing sexual behavior outside fertile periods.
This review explores recent advances in neural mechanisms that integrate sensory, hormonal, and social cues in the female brain. We examine the main phases of sexual behavior: appetitive, consummatory, and refractory, focusing on the neural basis of sexual rejection during non-fertile periods. We also discuss studies using intersectional genetics and neural activity analysis to uncover the circuits underlying sexual receptivity and recent findings on how the female brain processes male ejaculation to trigger the refractory period. Altogether, this review sheds light on the orchestration of mating and reproductive readiness in female mice.
雌性的性行为对繁殖和物种生存至关重要。它是由荷尔蒙和神经机制精心策划的,协调性成熟、生殖周期和交配顺序,为雌性怀孕做准备。这些机制使行为接受能力与生殖能力同步,确保在最佳生殖窗口发生交配,同时积极抑制育龄期以外的性行为。这篇综述探讨了在女性大脑中整合感觉、激素和社会线索的神经机制的最新进展。我们研究了性行为的主要阶段:食欲、圆满和难治性,重点关注非排卵期性排斥的神经基础。我们还讨论了使用交叉遗传学和神经活动分析的研究,以揭示潜在的性接受性回路,以及关于女性大脑如何处理男性射精以触发不应期的最新发现。总之,这篇综述揭示了雌性小鼠交配和生殖准备的编排。
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引用次数: 0
Cracking the cadherin codes that wire the nervous system 破解连接神经系统的钙粘蛋白密码
IF 4.8 2区 医学 Q1 NEUROSCIENCES Pub Date : 2025-08-01 Epub Date: 2025-07-07 DOI: 10.1016/j.conb.2025.103086
Madison T. Gray , Julie L. Lefebvre
Synaptic partner recognition and precise connectivity are essential components of neural circuit formation and function. Cell adhesion molecules with selective binding properties provide instructive cues for synapse specificity. Yet, we know little about how they guide the stereotyped organization of neural circuits. Advances in transcriptomics, genetic manipulations, neural tracing and imaging in intact nervous systems enable new avenues to identify mechanisms by which adhesion molecules regulate synapse specificity. Here we discuss the Cadherin superfamily, which forms one of the most functionally versatile families of cell adhesion molecules. Focusing on the classical cadherins and clustered protocadherins, we discuss recent findings that demonstrate roles in regulating synaptic partnerships and signaling properties, and optimizing neurite wiring. We highlight studies that demonstrate instructive roles through genetic manipulations with assays of synaptic connectivity. Understanding how neurons leverage a Cadherin code for specifying neural connectivity provides insights into the broader principles of circuit assembly and function.
突触伴侣识别和精确连接是神经回路形成和功能的重要组成部分。具有选择性结合特性的细胞粘附分子为突触特异性提供了指导性线索。然而,我们对它们如何引导神经回路的刻板组织知之甚少。在完整神经系统中转录组学、遗传操作、神经追踪和成像的进展为鉴定粘附分子调节突触特异性的机制提供了新的途径。在这里,我们讨论钙粘蛋白超家族,它形成了功能最广泛的细胞粘附分子家族之一。关注经典钙粘蛋白和聚集型原钙粘蛋白,我们讨论了最近的发现,证明在调节突触伙伴关系和信号特性,优化神经突布线中的作用。我们强调的研究表明,通过遗传操作与突触连通性的测定具有指导作用。了解神经元如何利用钙粘蛋白代码来指定神经连接,可以深入了解电路组装和功能的更广泛原理。
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引用次数: 0
期刊
Current Opinion in Neurobiology
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