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Neogenin-1 distinguishes between myeloid-biased and balanced Hoxb5+ mouse long-term hematopoietic stem cells

ABSTRACT: Neogenin-1 distinguishes between myeloid-biased and balanced Hoxb5+ mouse long-term hematopoietic stem cells

PROVIDER: PRJNA540492 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8992070_1.fastq.gz	Fastqsanger.gz
	SRR8992070_2.fastq.gz	Fastqsanger.gz
	SRR8992071_1.fastq.gz	Fastqsanger.gz
	SRR8992071_2.fastq.gz	Fastqsanger.gz
	SRR8992072_1.fastq.gz	Fastqsanger.gz

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Neogenin-1 distinguishes between myeloid-biased and balanced Hoxb5+ mouse long-term hematopoietic stem cells

Project description:Hematopoietic stem cells (HSCs) self-renew and generate all blood cells. Recent studies with single-cell transplants and lineage tracing suggest that adult HSCs are diverse in their reconstitution and lineage potentials. However, prospective isolation of these subpopulations has remained challenging. Here, we identify Neogenin-1 (NEO1) as a unique surface marker on a fraction of mouse HSCs labeled with Hoxb5, a specific reporter of long-term HSCs (LT-HSCs). We show that NEO1+Hoxb5+ LT-HSCs expand with age and respond to myeloablative stress in young mice, while NEO1–Hoxb5+ LT-HSCs exhibit no significant change in number. Furthermore, NEO1+Hoxb5+ LT-HSCs are more often in the G2/S cell cycle phase compared to NEO1–Hoxb5+ LT-HSCs in both young and old bone marrow. Upon serial transplantation, NEO1+Hoxb5+ LT-HSCs exhibit myeloid-biased differentiation and reduced reconstitution, while NEO1–Hoxb5+ LT-HSCs are lineage-balanced and stably reconstitute recipients. Gene expression analysis reveals erythroid and myeloid priming in the NEO1+ fraction and association of quiescence and self-renewal-related transcription factors with NEO1− LT-HSCs. Finally, transplanted NEO1+Hoxb5+ LT-HSCs rarely generate NEO1–Hoxb5+ LT-HSCs, while NEO1–Hoxb5+ LT-HSCs repopulate both LT-HSC fractions. This supports a model in which dormant, balanced, NEO1–Hoxb5+ LT-HSCs can hierarchically precede active, myeloid-biased NEO1+Hoxb5+ LT-HSCs.

2019-11-10 | GSE130504 | GEO

Neogenin-1 distinguishes between myeloid-biased and balanced <i>Hoxb5</i> <sup>+</sup> mouse long-term hematopoietic stem cells.

Project description: Not available

| S-EPMC6911217 | biostudies-literature

Transcription factor Hoxb5 reprograms B cells into functional T lymphocytes [ChIP-Seq]

Project description:Chipseq were performed to analyze the targets of Hoxb5 in pro-/pre-B by over expression.

2018-02-07 | GSE105007 | GEO

Transcription factor Hoxb5 reprograms B cells into functional T lymphocytes [RNA-seq2]

Project description:Here we were performed RNAseq to analyze the transcriptome changing of Hoxb5 in Pro/pre-B by over expression.

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Hoxb5 reprograms murine multipotent blood progenitors into hematopoietic stem cell-like cells

Project description:We performed the single cell RNA-seq for the Hoxb5 Mac-1+CD48+ SK cells, bone marrow HSC, bone marrow MPP, and fetal liver HSC by Smart-Seq2.

2022-06-30 | GSE183800 | GEO

Pattern separation memory requires Cerebellin 4-Neogenin 1 signaling at dentate gyrus synapses

Project description:The ability to avoid confusion between similar episodic memories enables organismal survival and fitness. This evolutionarily conserved differentiation process of memories as distinct representations is known as pattern separation. A central role for the entorhinal cortex->dentate gyrus (EC->DG) circuit in pattern separation is well established, but the molecular mechanisms that enable this circuit to mediate pattern separation memory is not known. Here we show the involvement in murine pattern separation memory of a unique transsynaptic protein complex formed by Cerebellin-4, Neogenin-1, and neurexins that is known to be selectively required for long-term plasticity in the EC->DG circuit. In vivo deletion of either presynaptic Cerebellin-4 in the entorhinal cortex or of postsynaptic Neogenin-1 in the dentate gyrus impairs acquisition of pattern separation memory. Thus, we describe a specific memory function for a defined molecular complex at an identified synapse, providing direct support for the hypothesis that synaptic plasticity contributes to the encoding of memory.

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Sox6 expression distinguishes dorsally and ventrally biased dopamine neurons in the substantia nigra with distinctive properties and embryonic origins

Project description:Sox6 expression distinguishes dorsally and ventrally biased dopamine neurons in the substantia nigra with distinctive properties and embryonic origins

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Mapping AT1R biased signaling using proximity-labeling and proteomics identifies diverse actions of biased agonists

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2021-03-25 | PXD023814 | Pride

The endogenous antigen-specific CD8+ T cell repertoire is composed of unbiased and biased clonotypes with differential fate commitment.

Project description:Generating balanced populations of CD8+ effector and memory T cells is necessary for immediate and durable immunity to infections and cancer. Yet, a definitive understanding of how a diverse CD8+ T cell repertoire differentiates remains unclear. We identified several hundred TCR clonotypes that constitute the polyclonal response against a single antigen and found that a majority of TCR clonotypes were highly biased towards memory or effector fate. TCR-intrinsic biases were not stochastic and were dominant over environmental cues. Differential gene expression analysis of memory- or effector-biased TCR clonotypes showed bifurcation of differential fates at the early effector stage. Additionally, phylogenetic analysis revealed that memory-biased clonotypes retain their fate preferences in subclonal populations but effector-biased subclones can switch to memory fate. Our study highlights that the polyclonal CD8+ T cell response is a composite of unbiased and biased clonotypes with varying capacity to incorporate environmental cues in their cell fate decisions.

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Transcription factor Hoxb5 reprograms B cells into functional T lymphocytes

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