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iPS-cell-derived microglia promote brain organoid maturation via cholesterol transfer
The authors seek to understand the precise roles of microglia in the early human brain by coculturing brain organoids with primitive-like macrophages generated from the same human induced pluripotent stem cells (iMac).
- Dong Shin Park
- , Tatsuya Kozaki
- & Florent Ginhoux
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Somatic mosaicism reveals clonal distributions of neocortical development
A comprehensive analysis of brain somatic mosaicism across the neocortex demonstrates the origins and distribution patterns of cells within the human brain.
- Martin W. Breuss
- , Xiaoxu Yang
- & Joseph G. Gleeson
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Article
| Open AccessSingle-cell delineation of lineage and genetic identity in the mouse brain
Single-cell RNA sequencing with parallel tagging of progenitor cells is used to track clonal relationships and transcriptomic signatures during development of the mouse forebrain.
- Rachel C. Bandler
- , Ilaria Vitali
- & Christian Mayer
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Individual human cortical progenitors can produce excitatory and inhibitory neurons
Molecular barcoding is used to show that progenitor cells in the human cortex can produce both excitatory neurons and inhibitory interneurons, with implications for our understanding of the evolution of the human brain.
- Ryan N. Delgado
- , Denise E. Allen
- & Tomasz J. Nowakowski
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Molecular logic of cellular diversification in the mouse cerebral cortex
A single-cell atlas of the developing mouse cortex provides a temporal and spatial assessment of the molecular logic that drives the establishment and organization of cortical cell types.
- Daniela J. Di Bella
- , Ehsan Habibi
- & Paola Arlotta
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Cell-type-specific 3D epigenomes in the developing human cortex
Analysis of cis-regulatory chromatin interactions, open chromatin and transcriptomes for different cell types isolated from mid-gestational human cortex samples provides insights into gene regulation during development.
- Michael Song
- , Mark-Phillip Pebworth
- & Yin Shen
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Decoding the development of the human hippocampus
Single-cell RNA sequencing is used to catalogue and explore the developmental trajectories of more than 30,000 cells in the developing human hippocampus.
- Suijuan Zhong
- , Wenyu Ding
- & Xiaoqun Wang
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Temporal plasticity of apical progenitors in the developing mouse neocortex
In the brains of embryonic mice, some types of progenitor (apical progenitors) can revert to earlier molecular, electrophysiological and neurogenic states when transplanted into younger hosts, whereas others cannot, highlighting progenitor-type-specific differences in fate plasticity.
- Polina Oberst
- , Sabine Fièvre
- & Denis Jabaudon
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Diverse reprogramming codes for neuronal identity
A screen in which combinatorial pairs of transcription factors are exogenously expressed in fibroblasts identifies different combinations that reprogram these cells into induced neuronal cells with diverse functional properties.
- Rachel Tsunemoto
- , Sohyon Lee
- & Kristin K. Baldwin
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Letter |
Lhx6-positive GABA-releasing neurons of the zona incerta promote sleep
GABAergic Lhx6+ neurons in the ventral zona incerta promote both rapid eye movement and non-rapid eye movement sleep and inhibit the activity of wake-promoting GABAergic and Hcrt+ neurons of the lateral hypothalamus.
- Kai Liu
- , Juhyun Kim
- & Seth Blackshaw
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Letter |
Ancient evolutionary origin of vertebrate enteric neurons from trunk-derived neural crest
Whereas the enteric nervous system of jawed vertebrates is derived largely from the vagal neural crest, that of the sea lamprey (Petromyzon marinus) is populated by trunk-derived neural crest cells that may be homologous to Schwann cell precursors.
- Stephen A. Green
- , Benjamin R. Uy
- & Marianne E. Bronner
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Letter |
Early myeloid lineage choice is not initiated by random PU.1 to GATA1 protein ratios
Live imaging and single-cell analyses are used to show that decision-making by differentiating haematopoietic stem cells between the megakaryocytic–erythroid and granulocytic–monocytic lineages is not initiated by stochastic switching between the lineage-specific transcription factors PU.1 and GATA1, which challenges the previous model of early myeloid lineage choice.
- Philipp S. Hoppe
- , Michael Schwarzfischer
- & Timm Schroeder
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Letter |
Molecular logic behind the three-way stochastic choices that expand butterfly colour vision
Butterflies diversify their retinal mosaics by producing three stochastic types of ommatidia instead of the two types found in Drosophila; this study shows that butterfly retinas use two R7-like photoreceptors per ommatidium that each make an independent stochastic decision to express the transcription factor Spineless, which controls photoreceptor and ommatidial fate.
- Michael Perry
- , Michiyo Kinoshita
- & Claude Desplan
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Letter |
MicroRNA-mediated conversion of human fibroblasts to neurons
- Andrew S. Yoo
- , Alfred X. Sun
- & Gerald R. Crabtree
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Direct conversion of fibroblasts to functional neurons by defined factors
Mouse and human fibroblasts can be reprogrammed to a pluripotent state with a combination of four transcription factors. Here, mature differentiated cells are directed, via a combination of a few transcription factors (distinct from those described for generating iPS cells), to form functional neurons in vitro, without having to revert the fibroblasts to an embryonic state.
- Thomas Vierbuchen
- , Austin Ostermeier
- & Marius Wernig