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Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [RNA-seq]

ABSTRACT: To investigate transcriptomic differences using RNA-seq in macrophages from a BM origin (CD45.1) and embryonic origin (CD45.2) in influenza-experienced, and naive lungs - at baseline and following stimulation

ORGANISM(S): Mus musculus

PROVIDER: GSE120542 | GEO | 2020/01/13

REPOSITORIES: GEO

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Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq]

Project description:To investigate differences in the chromatin accessibility using ATAC-seq. This was done in macrophages from a BM origin (CD45.1) and embryonic origin (CD45.2) in influenza-experienced, and naive lungs - at baseline and following Pam3CSK4 stimulation

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Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [RNA-seq 2]

Project description:To investigate transcriptomic differences using RNA-seq. This was done in macrophages isolated from a busulfan chimera, using congenic markers (CD45.1 for a BM origin, and CD45.2 for a host origin) in influenza-experienced, and naive lungs - at baseline and following Pam3CSK4 stimulation

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Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq 2]

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2020-01-13 | GSE131251 | GEO

Influenza-induced monocyte-derived alveolar macrophages confer prolonged antibacterial protection.

Project description:Despite the prevalence and clinical importance of influenza, its long-term effect on lung immunity is unclear. Here we describe that following viral clearance and clinical recovery, at 1 month after infection with influenza, mice are better protected from Streptococcus pneumoniae infection due to a population of monocyte-derived alveolar macrophages (AMs) that produce increased interleukin-6. Influenza-induced monocyte-derived AMs have a surface phenotype similar to resident AMs but display a unique functional, transcriptional and epigenetic profile that is distinct from resident AMs. In contrast, influenza-experienced resident AMs remain largely similar to naive AMs. Thus, influenza changes the composition of the AM population to provide prolonged antibacterial protection. Monocyte-derived AMs persist over time but lose their protective profile. Our results help to understand how transient respiratory infections, a common occurrence in human life, can constantly alter lung immunity by contributing monocyte-derived, recruited cells to the AM population.

| S-EPMC6983324 | biostudies-literature

Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection

Project description:This SuperSeries is composed of the SubSeries listed below.

2020-01-13 | GSE120543 | GEO

Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection

Project description:Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection

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Capacity of yolk sac macrophages, fetal liver and adult monocytes to colonize an empty niche and develop into functional tissue resident macrophages

Project description:Tissue-resident macrophages can derive from yolk sac macrophages, fetal liver monocytes or adult bone marrow monocytes. Whether these precursors can give rise to transcriptionally identical alveolar macrophages is unknown. Here, we transferred traceable yolk sac macrophages, fetal liver monocytes, adult bone marrow monocytes or adult alveolar macrophages as a control, into the empty alveolar macrophage niche of neonatal Csf2rb-/- mice. All precursors efficiently colonized the alveolar niche and generated alveolar macrophages that were transcriptionally almost identical, with only 22 genes that could be linked to their origin. Underlining the physiological relevance of our findings, all transfer-derived alveolar macrophages self-maintained within the lungs for up to 1 year and durably prevented alveolar proteinosis. Thus, precursor origin does not affect the development of functional self-maintaining tissue-resident macrophages. CD45.1+CD45.2+ yolk sac macrophages, fetal liver monocytes, adult bone marrow monocytes or adult alveolar macrophages from the bronchoalveolar lavage were sorted from wild type CD45.1+CD45.2+ mice of indicated ages. From part of these samples RNA was isolated. The other part was transferred intranasally into the lungs of neonate Csf2rb-/- mice. 6 weeks post-transfer, transfer-derived CD45.1+CD45.2+ alveolar macrophages were sorted from the bronchoalveolar lavage. Wild type CD45.1+CD45.2 alveolar macrophages from the bronchoalveolar lavage of 6 week old mice were sorted as control. 36 samples (arrays) in total. RNA was isolated, amplified with Nugene pico kit, converted to cDNA and then hybridised on Affymetrix GeneChip Mouse Gene 1.0 ST Arrays.

2016-03-01 | E-GEOD-76999 | biostudies-arrayexpress

Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [RNA-seq]

Project description:Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [RNA-seq]

| PRJNA493458 | ENA

Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq]

Project description:Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq]

| PRJNA493459 | ENA

Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq 2]

Project description:Monocyte-derived alveolar macrophages induced by influenza infection confer long-term antibacterial protection [ATAC-seq 2]

| PRJNA543072 | ENA