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Identification of renal resident macrophages across species [10X]

ABSTRACT: We use single cell RNA sequencing to identify an evolutionarily conserved gene expression signature in resident macrophages. Based on our single cell data, we show the presence of a core gene expression signature in a cluster of innate immune cells in mouse, rat, pig, and human kidney tissue. Further, using this gene expression signature, we identify novel candidate markers for resident macrophages that span all 4 species tested.

ORGANISM(S): Mus musculus Rattus norvegicus Homo sapiens Sus scrofa

PROVIDER: GSE128992 | GEO | 2019/04/05

REPOSITORIES: GEO

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Identification of renal resident macrophages across species [C1]

Project description:We use single cell RNA sequencing to identify an evolutionarily conserved gene expression signature in resident macrophages. Based on our single cell data, we show the presence of a core gene expression signature in a cluster of innate immune cells in mouse, rat, pig, and human kidney tissue. Further, using this gene expression signature, we identify novel candidate markers for resident macrophages that span all 4 species tested.

2019-04-05 | GSE128991 | GEO

Identification of renal resident macrophages across species [10X]

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Identification of renal resident macrophages across species [C1]

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Project description:LN resident macrophages lining the lymphatic sinuses play critical roles in antigen capture and presentation as well as degradation. We used microarray to examine global gene expression profiles to compare SCS and med macrophages to determine the underlying molecular basis of their differential handling of antigens. Primary SCS and med macrophages were isolated and purified from LNs by flourescence-activated cell sorting and RNA extracted, amplified and hybridized for Affymetrix analysis.

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microRNA transcriptome data from wild type and Gata6-deficient tissue resident peritoneal macrophages

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Self-renewing resident cardiac macrophages limit adverse remodeling following myocardial infarction

Project description:Mononuclear phagocytes promote injury and repair following myocardial infarction but discriminating functions within mixed populations remains challenging. We utilized fate mapping and single cell RNA-sequencing to delineate fate specification trajectories of heterogeneous cardiac macrophage subpopulations. In steady state, TIMD4 expression tracked with a dominant resident cardiac macrophage subset that persisted via in situ self-renewal with minimal monocyte input. Following ischemic injury, monocytes displayed significant plasticity, ultimately adopting transcriptional states similar to resident macrophages, but also multiple unique states. Ischemic injury reduced resident macrophage abundance within infarct tissue, and despite transcriptional similarity, TIMD4 expression distinguished resident from recruited macrophages. Specific lineage-based depletion of resident cardiac macrophages resulted in depressed cardiac function and adverse remodeling primarily within the peri-infarct zone, the only region of the myocardium where resident macrophages expanded numerically following injury. Together, these data highlight a non-redundant, cardioprotective role of resident cardiac macrophages, and the diverse transcriptional fates recruited monocytes can adopt.

2018-12-15 | GSE119355 | GEO

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