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Subcortical origins of human and monkey neocortical interneurons

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TLDR
It is proposed that the majority of primate neocortical GABAergic interneurons originate from ganglionic eminences of the ventral telencephalon, and this work reveals that the mammalian neocortex shares basic rules for interneuron development, substantially reshaping the understanding of the origin and classification ofPrimate neocortex.
Abstract
In primates, the developmental origin of neocortical interneurons is controversial. Here the authors map out expression patterns of key transcription factors in the developing human and monkey brain and reveal that, just as in rodents, the majority of cortical GABAergic neurons originate from the ganglionic eminences.

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Transcriptional landscape of the prenatal human brain

TL;DR: An anatomically comprehensive atlas of the mid-gestational human brain is described, including de novo reference atlases, in situ hybridization, ultra-high-resolution magnetic resonance imaging (MRI) and microarray analysis on highly discrete laser-microdissected brain regions.
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Conserved cell types with divergent features in human versus mouse cortex.

TL;DR: 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.
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Neuronal subtypes and diversity revealed by single-nucleus RNA sequencing of the human brain.

TL;DR: A scalable approach to sequence and quantify RNA molecules in isolated neuronal nuclei from a postmortem brain, generating 3227 sets of single-neuron data from six distinct regions of the cerebral cortex demonstrates a robust and scalable method for identifying and categorizing single nuclear transcriptomes.
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Integrative single-cell analysis of transcriptional and epigenetic states in the human adult brain.

TL;DR: Improved high-throughput methods for single-nucleus droplet-based sequencing and single-cell transposome hypersensitive site sequencing are reported, which revealed regulatory elements and transcription factors that underlie cell-type distinctions and mapped disease-associated risk variants to specific cellular populations, which provided insights into normal and pathogenic cellular processes in the human brain.
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Hippocampal GABAergic Inhibitory Interneurons.

TL;DR: An overview of the current state of the field of interneuron research, focusing largely on the hippocampus, discusses recent advances related to the various cell types, including their development and maturation, expression of subtype-specific voltage- and ligand-gated channels, and their roles in network oscillations.
References
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Journal ArticleDOI

Corridors of migrating neurons in the human brain and their decline during infancy

TL;DR: It is found that the infant human subventricular zone and RMS contain an extensive corridor of migrating immature neurons before 18 months of age but, contrary to previous reports, this germinal activity subsides in older children and is nearly extinct by adulthood.
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Origin of GABAergic neurons in the human neocortex

TL;DR: It is suggested that modifications in the expression pattern of transcription factors in the forebrain may underlie species-specific programmes for the generation of neocortical local circuit neurons and that distinct lineages of cortical interneurons may be differentially affected in genetic and acquired diseases of the human brain.
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OSVZ progenitors of human and ferret neocortex are epithelial-like and expand by integrin signaling

TL;DR: It is found that progenitors in the outer SVZ (OSVZ) of developing human neocortex retain features of radial glia, in contrast to rodent SVZ progensitors, which have limited proliferation potential.
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Pax6 controls radial glia differentiation in the cerebral cortex

TL;DR: It is shown that during forebrain neurogenesis, the transcription factor Pax6 is specifically localized in radial glia cells of the cortex but not of the basal telencephalon, suggesting that Pax6 plays an essential role in the differentiation of cortical radialglia.
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Neural bHLH genes control the neuronal versus glial fate decision in cortical progenitors.

TL;DR: Together, these results demonstrate that proneural genes are involved in lineage restriction of cortical progenitors, promoting the acquisition of the neuronal fate and inhibiting the astrocytic fate.
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Trending Questions (1)
What is the origin of GABAAR in human evolution?

The provided paper does not mention the origin of GABAAR in human evolution. The paper focuses on the developmental origin of neocortical interneurons in primates.