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| Open AccessControl of neuronal excitation–inhibition balance by BMP–SMAD1 signalling
Signalling by the developmental morphogen BMP2 through the transcription factor SMAD1 has a key role in controlling the glutamatergic innervation of parvalbumin-expressing interneurons and maintaining the balance between excitation and inhibition in the mammalian cortex.
- Zeynep Okur
- , Nadia Schlauri
- & Peter Scheiffele
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Article
| Open AccessFormation of memory assemblies through the DNA-sensing TLR9 pathway
Learning results in persistent double-stranded DNA breaks, nuclear rupture and release of DNA fragments and histones within hippocampal CA1 neurons that, following TLR9-mediated DNA damage repair, results in their recruitment to memory circuits.
- Vladimir Jovasevic
- , Elizabeth M. Wood
- & Jelena Radulovic
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Article
| Open AccessA brainstem–hypothalamus neuronal circuit reduces feeding upon heat exposure
In response to acute thermal challenge, thermosensing glutamatergic neurons of the parabrachial nucleus in mouse brain activate tanycytes, which reduce the excitability of Flt1-expressing dopamine and agouti-related peptide-containing neurons, thus suppressing appetite.
- Marco Benevento
- , Alán Alpár
- & Tibor Harkany
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Article
| Open AccessMultisensory gamma stimulation promotes glymphatic clearance of amyloid
Audio and visual stimulation at 40 Hz promote cerebrospinal and interstitial fluid flux in mouse brain and result in amyloid clearance via the glymphatic system in a mouse model of Alzheimer’s disease.
- Mitchell H. Murdock
- , Cheng-Yi Yang
- & Li-Huei Tsai
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Article
| Open AccessCrym-positive striatal astrocytes gate perseverative behaviour
In mice, a population of astrocytes in the central striatum, characterized by expression of μ-crystallin, has a role in perseveration phenotypes that are often associated with human neuropsychiatric disorders.
- Matthias Ollivier
- , Joselyn S. Soto
- & Baljit S. Khakh
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Article
| Open AccessProtracted neuronal recruitment in the temporal lobes of young children
A stream of young neurons migrating into the entorhinal cortex (EC) continues postnatally in humans, but not in macaques; these young neurons, which belong to a unique class of local circuit cells, continue to be recruited in the EC during infancy and early childhood.
- Marcos Assis Nascimento
- , Sean Biagiotti
- & Shawn F. Sorrells
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Article
| Open AccessA high-resolution transcriptomic and spatial atlas of cell types in the whole mouse brain
A transcriptomic cell-type atlas of the whole adult mouse brain with ~5,300 clusters built from single-cell and spatial transcriptomic datasets with more than eight million cells reveals remarkable cell type diversity across the brain and unique cell type characteristics of different brain regions.
- Zizhen Yao
- , Cindy T. J. van Velthoven
- & Hongkui Zeng
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| Open AccessMolecularly defined and spatially resolved cell atlas of the whole mouse brain
A comprehensive cell atlas of the whole mouse brain with high molecular and spatial resolution is generated.
- Meng Zhang
- , Xingjie Pan
- & Xiaowei Zhuang
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| Open AccessThe molecular cytoarchitecture of the adult mouse brain
To construct a comprehensive atlas of cell types in each brain structure, we paired high-throughput single-nucleus RNA sequencing with Slide-seq, a recently developed spatial transcriptomics method with near-cellular resolution, across the entire mouse brain.
- Jonah Langlieb
- , Nina S. Sachdev
- & Evan Z. Macosko
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A molecular switch for neuroprotective astrocyte reactivity
The authors identify a molecular switch that regulates the balance between neurotoxic and neuroprotective astrocyte populations, with potential application in the treatment of glaucoma and other optic neuropathies.
- Evan G. Cameron
- , Michael Nahmou
- & Jeffrey L. Goldberg
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Article
| Open AccessStructural mobility tunes signalling of the GluA1 AMPA glutamate receptor
Calcium-permeable GluA1 AMPA glutamate receptors are structurally and functionally distinct from the prototypical GluA2-containing AMPA receptors, impacting their role in signal transmission, synaptic plasticity and learning.
- Danyang Zhang
- , Josip Ivica
- & Ingo H. Greger
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Article
| Open AccessSpecialized astrocytes mediate glutamatergic gliotransmission in the CNS
A subpopulation of astrocytes selectively expresses synaptic-like glutamate-release machinery, actively secretes the transmitter and is localized to discrete sites in the hippocampus.
- Roberta de Ceglia
- , Ada Ledonne
- & Andrea Volterra
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| Open AccessLTP induction by structural rather than enzymatic functions of CaMKII
Several independent lines of evidence demonstrated long-term potentiation induction by a structural function of calmodulin-dependent protein kinase II rather than by its enzymatic activity.
- Jonathan E. Tullis
- , Matthew E. Larsen
- & K. Ulrich Bayer
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Article
| Open AccessSpatial epigenome–transcriptome co-profiling of mammalian tissues
The authors present two technologies for spatially resolved, genome-wide, joint profiling of the epigenome and transcriptome by cosequencing chromatin accessibility and gene expression, or histone modifications and gene expression on the same tissue section at near-single-cell resolution.
- Di Zhang
- , Yanxiang Deng
- & Rong Fan
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Article
| Open AccessMesolimbic dopamine adapts the rate of learning from action
Analysis of data collected from mice learning a trace conditioning paradigm shows that phasic dopamine activity in the brain can regulate direct learning of behavioural policies, and dopamine sets an adaptive learning rate rather than an error-like teaching signal.
- Luke T. Coddington
- , Sarah E. Lindo
- & Joshua T. Dudman
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A cortico-collicular circuit for orienting to shelter during escape
The retrosplenial cortex and superior colliculus of mouse form a neural circuit that specifically encodes shelter location, facilitating rapid escape from predatory threats.
- Dario Campagner
- , Ruben Vale
- & Tiago Branco
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| Open AccessPLD3 affects axonal spheroids and network defects in Alzheimer’s disease
Amyloid-plaque-associated axonal spheroids are prominent contributors to neural network dysfunction in an Alzheimer’s model and can be reversed by endolysosomal modulation.
- Peng Yuan
- , Mengyang Zhang
- & Jaime Grutzendler
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Fast resupply of synaptic vesicles requires synaptotagmin-3
Synaptotagmin-3 is identified as the presynaptic high-affinity calcium sensor to rapidly replenish synaptic vesicles to maintain steady synaptic transmission.
- Dennis J. Weingarten
- , Amita Shrestha
- & Skyler L. Jackman
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Prenatal immune stress blunts microglia reactivity, impairing neurocircuitry
Aberrantly formed microglia due to an adverse prenatal environment affect long-term microglia reactivity and proper striatal circuit development in mice
- Lindsay N. Hayes
- , Kyongman An
- & Akira Sawa
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Article
| Open AccessEndocytosis in the axon initial segment maintains neuronal polarity
Endocytosis and degradation of plasma membrane proteins in the axon initial segment, together with the diffusion-barrier mechanism, maintain a polarized distribution of plasma membrane proteins in Caenorhabditis elegans, mouse, rat and human neurons.
- Kelsie Eichel
- , Takeshi Uenaka
- & Kang Shen
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Revival of light signalling in the postmortem mouse and human retina
Experiments measuring light-evoked responses in postmortem mouse and human retinas are used to quantify decay of photoreceptors following death and optimise conditions for reviving trans-synaptic transmission.
- Fatima Abbas
- , Silke Becker
- & Frans Vinberg
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A human brain vascular atlas reveals diverse mediators of Alzheimer’s risk
A method called vessel isolation and nuclei extraction for sequencing (VINE-seq) produces a molecular map of vascular and perivascular cell types in the human brain and reveals their contributions to Alzheimer’s disease risk.
- Andrew C. Yang
- , Ryan T. Vest
- & Tony Wyss-Coray
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Sensory representation and detection mechanisms of gut osmolality change
Vagal afferents innervating the hepatic portal area respond to changes in gut osmolality and regulate thirst and drinking behaviour in mice.
- Takako Ichiki
- , Tongtong Wang
- & Yuki Oka
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Decoding gene regulation in the fly brain
A chromatin accessibility atlas of 240,919 cells in the adult and developing Drosophila brain reveals 95,000 enhancers, which are integrated in cell-type specific enhancer gene regulatory networks and decoded into combinations of functional transcription factor binding sites using deep learning.
- Jasper Janssens
- , Sara Aibar
- & Stein Aerts
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Herpesviruses assimilate kinesin to produce motorized viral particles
Herpes simplex virus type I and pseudorabies virus assimilate kinesin from host epithelial cells and repurpose the motor to traffic to the nuclei of neurons in the peripheral nervous system.
- Caitlin E. Pegg
- , Sofia V. Zaichick
- & Gregory A. Smith
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| Open AccessMorphological diversity of single neurons in molecularly defined cell types
Sparse labelling and whole-brain imaging are used to reconstruct and classify brain-wide complete morphologies of 1,741 individual neurons in the mouse brain, revealing a dependence on both brain region and transcriptomic profile.
- Hanchuan Peng
- , Peng Xie
- & Hongkui Zeng
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| Open AccessComparative cellular analysis of motor cortex in human, marmoset and mouse
An examination of motor cortex in humans, marmosets and mice reveals a generally conserved cellular makeup that is likely to extend to many mammalian species, but also differences in gene expression, DNA methylation and chromatin state that lead to species-dependent specializations.
- Trygve E. Bakken
- , Nikolas L. Jorstad
- & Ed S. Lein
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Article
| Open AccessA transcriptomic and epigenomic cell atlas of the mouse primary motor cortex
The authors describe an integrated atlas of the diverse cell types in the mouse primary motor cortex.
- Zizhen Yao
- , Hanqing Liu
- & Eran A. Mukamel
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Article
| Open AccessA transcriptomic atlas of mouse cerebellar cortex comprehensively defines cell types
A comprehensive atlas of cell types and regional specializations in the mouse cerebellar cortex.
- Velina Kozareva
- , Caroline Martin
- & Evan Macosko
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Article
| Open AccessDNA methylation atlas of the mouse brain at single-cell resolution
A comprehensive survey of the epigenome from 45 regions of the mouse cortex, hippocampus, striatum, pallidum and olfactory areas using single-nucleus DNA methylation sequencing enables identification of 161 cell clusters with distinct locations and projection targets and provides insights into the regulatory landscape underlying neuronal diversity and spatial regulation.
- Hanqing Liu
- , Jingtian Zhou
- & Joseph R. Ecker
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Article
| Open AccessHuman neocortical expansion involves glutamatergic neuron diversification
Combined patch clamp recording, biocytin staining and single-cell RNA-sequencing of human neurocortical neurons shows an expansion of glutamatergic neuron types relative to mouse that characterizes the greater complexity of the human neocortex.
- Jim Berg
- , Staci A. Sorensen
- & Ed S. Lein
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Article
| Open AccessA multimodal cell census and atlas of the mammalian primary motor cortex
The BRAIN Initiative Cell Census Network has constructed a multimodal cell census and atlas of the mammalian primary motor cortex in a landmark effort towards understanding brain cell-type diversity, neural circuit organization and brain function.
- Edward M. Callaway
- , Hong-Wei Dong
- & Susan Sunkin
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| Open AccessSpatially resolved cell atlas of the mouse primary motor cortex by MERFISH
As part of the BICCN consortium, the authors used a single-cell transcriptomic imaging method to produce a highly defined atlas of cell types across the mouse primary motor cortex.
- Meng Zhang
- , Stephen W. Eichhorn
- & Xiaowei Zhuang
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Dysregulation of brain and choroid plexus cell types in severe COVID-19
Single-nucleus transcriptomes of frontal cortex and choroid plexus samples from patients with COVID-19 reveal pathological cell states that are similar to those associated with human neurodegenerative diseases and chronic brain disorders.
- Andrew C. Yang
- , Fabian Kern
- & Tony Wyss-Coray
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GluD1 is a signal transduction device disguised as an ionotropic receptor
The ionotropic glutamate delta receptors GluD1 and GluD2 form distinct neurexin–cerebellin complexes that differentially regulate postsynaptic glutamate receptor activities.
- Jinye Dai
- , Christopher Patzke
- & Thomas C. Südhof
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Coupling of activity, metabolism and behaviour across the Drosophila brain
Two-photon microscopy across the fly brain using sensors that permit simultaneous measurement of neural activity and metabolic flux reveals global and local coordination of neural activity and energy metabolism.
- Kevin Mann
- , Stephane Deny
- & Thomas R. Clandinin
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Astrocytes phagocytose adult hippocampal synapses for circuit homeostasis
In adult mice, astrocytes carry out phagocytosis of excitatory hippocampal synapses through MEGF10 to maintain synaptic and circuit homeostasis.
- Joon-Hyuk Lee
- , Ji-young Kim
- & Won-Suk Chung
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Assembly of synaptic active zones requires phase separation of scaffold molecules
The components of active zones at neuronal synapses are well known, but the processes underlying the assembly of these structures are less so; here, a role for liquid–liquid phase separation of scaffold proteins is identified.
- Nathan A. McDonald
- , Richard D. Fetter
- & Kang Shen
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Article
| Open AccessPhenotypic variation of transcriptomic cell types in mouse motor cortex
Single-cell transcriptomic, morphological and electrophysiological characteristics are combined to classify more than 1,300 neurons from mouse motor cortex.
- Federico Scala
- , Dmitry Kobak
- & Andreas S. Tolias
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Chemico-genetic discovery of astrocytic control of inhibition in vivo
A cell-surface fragment complementation strategy is used to identify the proteome at the junction of astrocytes and synapses in vivo, and shows that NRCAM expressed in astrocytes has a key role in regulating inhibitory synapse function.
- Tetsuya Takano
- , John T. Wallace
- & Scott H. Soderling
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Two dynamically distinct circuits drive inhibition in the sensory thalamus
In the thalamic reticular nucleus there are two neuron types that are segregated into central and edge zones and receive inputs from different thalamocortical nuclei, creating subcircuits with distinct dynamics.
- Rosa I. Martinez-Garcia
- , Bettina Voelcker
- & Scott J. Cruikshank
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Structures of metabotropic GABAB receptor
Cryo-electron microscopy structures of heterodimeric and homodimeric full-length GABAB receptors, combined with cellular signalling assays, shed light on the mechanisms that underpin signal transduction mediated by these receptors.
- Makaía M. Papasergi-Scott
- , Michael J. Robertson
- & Georgios Skiniotis
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Centrosome anchoring regulates progenitor properties and cortical formation
CEP83-mediated anchoring of the centrosome to the apical membrane in radial glial progenitor cells regulates their mechanical properties and thereby influences the size and configuration of the mammalian cortex.
- Wei Shao
- , Jiajun Yang
- & Song-Hai Shi
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Alcohol metabolism contributes to brain histone acetylation
Acetate that is produced from the breakdown of alcohol contributes to histone acetylation in the brain, indicating that there is a direct link between alcohol metabolism and gene expression.
- P. Mews
- , G. Egervari
- & S. L. Berger
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Conserved cell types with divergent features in human versus mouse cortex
RNA-sequencing analysis of cells in the human cortex enabled identification of diverse cell types, revealing well-conserved architecture and homologous cell types as well as extensive differences when compared with datasets covering the analogous region of the mouse brain.
- Rebecca D. Hodge
- , Trygve E. Bakken
- & Ed S. Lein
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Neuromodulatory control of localized dendritic spiking in critical period cortex
A transient circuit that links cholinergic neuromodulation and inhibition is responsible for the dendritic compartmentalization of evoked responses in the mouse visual cortex during the critical period of robust plasticity.
- Courtney E. Yaeger
- , Dario L. Ringach
- & Joshua T. Trachtenberg
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Letter |
Neural blastocyst complementation enables mouse forebrain organogenesis
Neural blastocyst complementation creates a vacant forebrain niche in host embryos that can be populated by donor embryonic stem cell-derived dorsal telencephalic progenitors, resulting in a mouse brain organogenesis model.
- Amelia N. Chang
- , Zhuoyi Liang
- & Frederick W. Alt
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Neurexin controls plasticity of a mature, sexually dimorphic neuron
The DVB neuron in Caenorhabditis elegans shows male-specific morphological plasticity that is controlled by neurexin and influences mating behaviour.
- Michael P. Hart
- & Oliver Hobert
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Letter |
Kctd13 deletion reduces synaptic transmission via increased RhoA
Experimental evidence that global Kctd13 reduction leads to increased RhoA levels that reduce synaptic transmission, implicating RhoA as a potential therapeutic target for neuropsychiatric disorders associated with copy-number variants that include KCTD13.
- Christine Ochoa Escamilla
- , Irina Filonova
- & Craig M. Powell