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E-cadherin marks the early commitment of murine hematopoietic progenitors to the basophil and mast cell fate

ABSTRACT: E-cadherin marks the early commitment of murine hematopoietic progenitors to the basophil and mast cell fate

PROVIDER: PRJNA545984 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9188600.fastq.gz	Fastqsanger.gz
	SRR9188610.fastq.gz	Fastqsanger.gz
	SRR9188601.fastq.gz	Fastqsanger.gz
	SRR9188611.fastq.gz	Fastqsanger.gz
	SRR9188602.fastq.gz	Fastqsanger.gz

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E-cadherin marks the early commitment of murine hematopoietic progenitors to the basophil and mast cell fate

Project description:E-cadherin is a calcium-dependent cell-cell adhesion molecule extensively studied for its involvement in tissue formation, epithelial cell behavior and suppression of cancer; however its expression in the hematopoietic system hasn't received much attention. Combining single-cell RNA sequencing analyses and immunophenotyping, we revealed expression of E-cadherin in the basophil and mast cell lineages. No defect in basophil and mast cell differentiation was observed in mice lacking E-cadherin in the hematopoietic system, supporting that E-cadherin is not required per se for basophil and mast cell differentiation. Yet, we evidenced that granulocyte-monocyte progenitors expressing high levels of E-cadherin have an enriched capacity to differentiate into basophils and mast cells. Importantly, E-cadherin expression is observed on committed progenitors prior to the expression of other reported markers of these lineages. We named those progenitors pro-BMPs (pro- basophil and mast cells progenitors). Using RNA-sequencing, we demonstrated the transcriptional priming of pro-BMPs to the basophil and mast cell lineages.

2021-01-01 | GSE132122 | GEO

E-cadherin expression distinguishes mouse from human hematopoiesis in the basophil and erythroid lineages

Project description:E-cadherin is a key regulator of epithelial cell-cell adhesion, which loss accelerates tumor growth and invasion. Aside epithelia, E-cadherin is also expressed in hematopoietic cells. The function of hematopoietic E-cadherin is however mostly elusive. In this study, we validated mouse models for functional investigation of hematopoietic E-cadherin in human hematopoiesis. We generated a hematopoietic specific E-cadherin knockout mouse model. In mice, hematopoietic E-cadherin is predominantly expressed within the basophil lineage, which expression is dispensable for the generation of basophils. Remarkably, E-cadherin mRNA or protein were not detected in human basophils. In contrast, human hematopoietic E-cadherin marks the erythroid lineage. E-cadherin expression in hematopoiesis thereby revealed striking evolutionary differences within the basophil and erythroid cell lineage between human and mouse. This is remarkable as E-cadherin expression in epithelia is highly conserved among vertebrates including human and mouse. Our study therefore revealed that the mouse does not represent a suitable model to study the function of E-cadherin in human hematopoiesis. Mouse models can be used to define the role of E-cadherin in basophils, which regulation however may not be conserved in human basophils. Overall, our study underscores the need to develop alternative means to study the role of E-cadherin in human erythropoiesis.

2022-11-15 | GSE211102 | GEO

Single cell RNA sequencing of murine basophil/mast cell progenitors and granulocyte/monocyte progenitors

Project description:We have performed single cell RNA sequencing of murine bone marrow progenitors to study the early differentiation into the mast cell and basophil lineages.

2018-03-29 | GSE106973 | GEO

E-cadherin is regulated by GATA-2 and marks the early commitment of mouse hematopoietic progenitors to the basophil and mast cell fates.

Project description:E-cadherin is a calcium-dependent cell-cell adhesion molecule extensively studied for its involvement in tissue formation, epithelial cell behavior, and suppression of cancer. However, E-cadherin expression in the hematopoietic system has not been fully elucidated. Combining single-cell RNA-sequencing analyses and immunophenotyping, we revealed that progenitors expressing high levels of E-cadherin and contained within the granulocyte-monocyte progenitors (GMPs) fraction have an enriched capacity to differentiate into basophils and mast cells. We detected E-cadherin expression on committed progenitors before the expression of other reported markers of these lineages. We named such progenitors pro-BMPs (pro-basophil and mast cell progenitors). Using RNA sequencing, we observed transcriptional priming of pro-BMPs to the basophil and mast cell lineages. We also showed that GATA-2 directly regulates E-cadherin expression in the basophil and mast cell lineages, thus providing a mechanistic connection between the expression of this cell surface marker and the basophil and mast cell fate specification.

| S-EPMC8261706 | biostudies-literature

E-cadherin expression distinguishes mouse from human hematopoiesis in the basophil and erythroid lineages

Project description:E-cadherin expression distinguishes mouse from human hematopoiesis in the basophil and erythroid lineages

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Single cell RNA sequencing of murine basophil/mast cell progenitors and granulocyte/monocyte progenitors

Project description:Single cell RNA sequencing of murine basophil/mast cell progenitors and granulocyte/monocyte progenitors

| PRJNA418700 | ENA

Cebpa regulates gene transcription in basophils

Project description:To investigate the mechanisms by which C/EBPa drives basophil differentiation and maintains basophil identity, we examined whether or not C/EBPa promotes basophil molecular programming and simultaneously represses mast cell molecular programming. We performed genome-wide gene expression profiling on basophils and mast cells and found that 6798 genes were shared by mast cells and basophils; 2033 genes were expressed 2-10 (log2 1-3.3)-fold higher in basophils (differentially expressed in basophils); and 413 genes were expressed greater than 10 (log2 3.3)-fold in basophils (highly expressed in basophils). On the other hand, we found 569 genes were expressed 2-10 (log2 -1 to -3.3) fold higher in mast cells and 171 genes were highly expressed in mast cells [greater than 10 fold (log2 -3.3)]. We treated purified basophils prepared from Cebpaf/f RosaYFP/creER mice and Cebpa+/+ RosaYFP/creER control mice with or without 4HT treatment for five days. Gene expression in the treated basophils was analyzed using microarray analysis. Overall, deletion of C/EBPa in basophils resulted in a reduction of mRNA expression for 248 genes and led to an increase in mRNA expression for 255 genes. The majority of the C/EBPa-regulated genes were either differentially or highly expressed in basophils or mast cells. In this study, we compared gene expression in basophils and mast cell and identified genes which specifically expressed in basophils and mast cells. By using Cebpa conditional knock out mice, we identified Cebpa regulated genes in basophils.

2013-04-01 | E-GEOD-41596 | biostudies-arrayexpress

Gene expression profiles of basophil progenitors from mouse bone marrow

Project description:To find genes governing basophil development or functional maturation, we analyzed the gene expression profiles of basophil progenitors by RNA-sequencing.

2023-10-31 | GSE148857 | GEO

Esrrb extinction triggers dismantling of naïve pluripotency and marks commitment to differentiation.

Project description:Esrrb extinction triggers dismantling of naïve pluripotency and marks commitment to differentiation.

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Tristraprolin regulates basophil inflammatory responses

Project description:Tristraprolin regulates basophil inflammatory responses

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