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Differentiation and specification of resident tissue macrophages [ID3-KO RNA-seq]

ABSTRACT: Tissue resident macrophages are functionally diverse cells that share an embryonic mesodermal origin. However, the mechanism(s) that control their specification remain unclear. We performed transcriptional, molecular and in situ spatio-temporal analyses of macrophage development in mice. We report that Erythro-Myeloid Progenitors generate pre-macrophages (pMacs) that simultaneously colonize the head and caudal embryo from embryonic day (E)9.5 in a chemokine-receptor dependent manner, to further differentiate into tissue F4/80+ macrophages. The core macrophage transcriptional program initiated in pMacs, is rapidly diversified in early macrophages as expression of transcriptional regulators becomes tissue-specific. For example, the preferential expression of the transcriptional regulator Id3 initiated in early fetal liver macrophages appears critical for Kupffer cell differentiation, as inactivation of Id3 causes a selective Kupffer cell deficiency that persists in adults. We propose that colonization of developing tissues by differentiating macrophages is immediately followed by their specification as they establish residence, hereby generating the macrophage diversity observed in post-natal tissues.

ORGANISM(S): Mus musculus

PROVIDER: GSE83854 | GEO | 2016/08/08

SECONDARY ACCESSION(S): PRJNA327206

REPOSITORIES: GEO

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Differentiation and specification of resident tissue macrophages [ID3-KO RNA-seq]

Project description:Tissue resident macrophages are functionally diverse cells that share an embryonic mesodermal origin. However, the mechanism(s) that control their specification remain unclear. We performed transcriptional, molecular and in situ spatio-temporal analyses of macrophage development in mice. We report that Erythro-Myeloid Progenitors generate pre-macrophages (pMacs) that simultaneously colonize the head and caudal embryo from embryonic day (E)9.5 in a chemokine-receptor dependent manner, to further differentiate into tissue F4/80+ macrophages. The core macrophage transcriptional program initiated in pMacs, is rapidly diversified in early macrophages as expression of transcriptional regulators becomes tissue-specific. For example, the preferential expression of the transcriptional regulator Id3 initiated in early fetal liver macrophages appears critical for Kupffer cell differentiation, as inactivation of Id3 causes a selective Kupffer cell deficiency that persists in adults. We propose that colonization of developing tissues by differentiating macrophages is immediately followed by their specification as they establish residence, hereby generating the macrophage diversity observed in post-natal tissues. RNA-sequencing of ID3+/- and ID3-/- Kupffer cells

2016-08-08 | E-GEOD-83854 | biostudies-arrayexpress

Differentiation and specification of resident tissue macrophages [MARS-seq]

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The nuclear factor ID3 endows macrophages with a potent anti-tumor activity

Project description:Macrophage activation is controlled by a balance between activating and inhibitory receptors which protect normal tissues from excessive damage during infection but promote tumor growth and metastasis in cancer. We report here that the Kupffer cell (KC)-lineage determining factor ID3 controls this balance and selectively endows KC with the ability to phagocytose live tumor cells and orchestrate the recruitment, proliferation, and activation of NK and CD8 T lymphoid effector cells in the liver to restrict the growth of a variety of tumors. ID3 shifts the macrophage inhibitory/activating receptor balance to unleash the phagocytic and lymphoid response, at least in part by buffering binding of the transcription factors ELK1 and E2A at the Sirpα locus. Furthermore, loss- and gain-of-function experiments demonstrate that ID3 is sufficient to confer this potent anti-tumor activity to mouse bone marrow derived macrophages and human induced pluripotent stem cells derived macrophages. Expression of ID3 is therefore necessary and sufficient to endow macrophages with the ability to form an efficient anti-tumor niche, which could be harnessed for cell therapy in cancer.

2023-11-14 | GSE234638 | GEO

Stellate cells, hepatocytes and endothelial cells imprint the Kupffer cell identity on monocytes colonizing the liver macrophage niche (RNA-Seq)

Project description:Macrophages are strongly adapted to their tissue of residence. Yet, we know little about the cell-cell interactions that imprint the tissue-specific identities of macrophages in their respective niches. Using conditional depletion of liver Kupffer cells, we traced the developmental stages of monocytes differentiating into Kupffer cells and mapped the cellular interactions imprinting the Kupffer cell identity. Kupffer cell loss induced the tumor necrosis factor (TNF) and interleukin-1 (IL-1) receptor-dependent activation of stellate cells and endothelial cells, resulting in the transient production of chemokines and adhesion molecules orchestrating monocyte engraftment. Engrafted circulating monocytes transmigrated into the perisinusoidal space, and acquired the liver-associated transcription factors ID3 and LXRα. Coordinated interactions with hepatocytes induced ID3 expression, while endothelial cells and stellate cells induced LXRα via a synergistic NOTCH-BMP pathway. This study shows that the Kupffer cell niche is composed of stellate cells, hepatocytes and endothelial cells that together imprint the liver-specific macrophage identity.

2019-08-14 | GSE135789 | GEO

Stellate cells, hepatocytes and endothelial cells imprint the Kupffer cell identity on monocytes colonizing the liver macrophage niche (microarray)

2019-08-14 | GSE135788 | GEO

The Kupffer cell-specifying factor Id3 endows macrophages with antimetastatic activity

Project description:The anti-tumor activity of macrophages is mediated in part via phagocytosis and controlled by a balance between the recognition of live cells by activating receptors and inhibitory receptors. The latter protects host tissues during infection but allows tumoral cells to escape phagocytosis and promotes metastasis. We investigated the mechanisms that control anti-metastatic activity of macrophages and found that the transcriptional repressor and Kupffer cells (KC)-specifying factor ID3 is required and sufficient to orchestrate tumor cell killing by macrophages in vivo and in vitro and reduces by ~50% liver and lung colonization by metastatic-initiating cells invading from the portal vein in long-term orthotopic pancreatic cancer models. Loss-of-function and gain -of functions experiments indicate that ID3 controls expression of activating and inhibitory receptors, in particular the inhibitory receptor SIRPα, which boost their phagocytic activity against tumor cells. Mechanistically, ID3 prevents binding of ELK1 and the E-Box factor E2A to promoter/enhancer regions of the inhibitory receptor Sirpα gene, which limits expression of SIRPα at levels compatible with efficient phagocytosis of tumor cells and prevents its upregulation by inflammatory stimuli. This mechanism endows macrophages with anti-metastatic activity.

2022-12-31 | GSE204922 | GEO

Dynamic expression of Id3 defines the stepwise differentiation of tissue-resident regulatory T cells

Project description:Foxp3+ regulatory T (TR) cells are phenotypically and functionally diverse, and broadly distributed in lymphoid and non-lymphoid tissues. However, the pathways guiding the differentiation of tissue-resident TR populations have not been well defined. By regulating E-protein function, Id3 controls the differentiation of CD8+ effector T cells and is essential for TR maintenance and function. We show that dynamic expression of Id3 helps define three distinct mouse TR populations, Id3+CD62LhiCD44lo central (c)TR, Id3+CD62LloCD44hi effector (e)TR and Id3- eTR. Adoptive transfer experiments and transcriptome analyses support a stepwise model of differentiation from Id3+ cTR to Id3+ eTR to Id3- eTR. Furthermore, Id3- eTR have high expression of functional inhibitory markers and a transcriptional signature of tissue-resident TR. Accordingly, Id3- eTR are highly enriched in non-lymphoid organs, but virtually absent from blood and lymph. Thus, we propose that tissue-resident TR develop in a multi-step process associated with Id3 downregulation.

2018-11-16 | GSE122593 | GEO

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