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Characterization of Alveolar macrophage subsets infected by Cryptococcus neoformans [ATAC-seq]

ABSTRACT: We examined two subpopulations of alveolar macrophages differentiated by CXCL2 expression stimulated by Cryptococcus neoformans. The two subpopulations have distinct mRNA expression pattern indicating the heterogenity within alveolar macrophages.

ORGANISM(S): Mus musculus

PROVIDER: GSE146234 | GEO | 2020/06/08

REPOSITORIES: GEO

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Characterization of Alveolar macrophage subsets infected by Cryptococcus neoformans

Project description:We examined four subsets of alveolar macrophages differentiated by CXCL2 expression and FLT3 fate mapping induced by Cryptococcus neoformans infection. These four subpopulations have distinct mRNA expression pattern indicating the heterogenity within alveolar macrophages.

2020-06-08 | GSE133026 | GEO

Arginase 1 expression by macrophages promotes Cryptococcus neoformans proliferation and invasion into brain microvascular endothelial cells.

Project description:Cryptococcal meningoencephalitis caused by C. neoformans infection is the most common cause of death in HIV/AIDS patients. Macrophages are recognized as key players in promoting the growth, proliferation, and dissemination of Cryptococcus. However, macrophage-derived factors that underlie these pathogenic responses remain unclear. Thus, the aim of this study is to investigate the permissive factors of macrophages that support the pathogenicity of Cryptococcus infection. We generated mRNA expression profiles of alveolar macrophage isolated from BALB/c mice intranasally treated with PBS or infected with C. neoformans H99 at 7 and 14 days postinfection and performed a comparative transcriptomic analysis to investigate the transcriptomic changes of macrophages during infection. Alveolar macrophages isolated from C. neoformans-infected mice showed dynamic gene expression patterns which were altered from a protective M1-like cells to a pathogenic M2-like phenotype. Interestingly, Arg1, encoded for enzyme arginase-1, was a predominant up-regulated gene observed in alveolar macrophages after infection at 14 days and the activation of macrophage arginase activity is required for the development of M2 macrophages that supports cryptococcal growth, proliferation, and dissemination.

2022-11-30 | GSE214001 | GEO

Cryptococcus neoformans proteins during fungal-macrophage interaction

Project description:Cryptococcus neoformans interactions with murine macrophages are critical for disease. In this project we analyzed fungal proteins which were co-purified with murine host proteins after interaction. H99 C. neoformans was opsonized with mAb 18B7 and addedd to murine macrophages. Then murine cells were lysed and cell extracts submitted to proteomics.

2023-03-11 | PXD024951 | Pride

Ribosome profiling of Cryptococcus neoformans H99

Project description:We measured protein translation (by ribosome profiling) and RNA levels (by polyA-enriched RNA-seq) in Cryptococcus neoformans strain H99 and Cryptococcus neoformans strain JEC21. This is the first transcriptome-wide map of translation in this species complex.

2019-06-22 | GSE133125 | GEO

Transcriptome of ex vivo-sorted and in vitro-grown Cryptococcus neoformans cells

Project description:We compared the transcriptome of subpopulations of Cryptococcus neoformans cells within the lungs and C. neoformans cells cultured in capsule repressing medium, capsule inducing medium, and capsule inducing medium with the addition of 10% conditioned medium from cells grown in capsule repressing medium. The aim of the study was to identify genes that regulate C. neoformans cell body and capsule size reductions.

2022-01-01 | GSE152784 | GEO

CoCl2 Response in Cryptococcus neoformans

Project description:We investigated the effects of the hypoxia-mimetic CoCl2 on the gene expression of pathogenic fungus Cryptococcus neoformans. Keywords: compound treatment design

2009-05-01 | GSE11390 | GEO

Heterogeneity of alveolar macrophages infected by Cryptococcus neoformans

Project description:Heterogeneity of alveolar macrophages infected by Cryptococcus neoformans

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Light-regulated genes in Cryptococcus neoformans

Project description:Light is a universal environmental signal perceived by many organisms, including the fungi in which light regulates both common and unique biological processes depending on the species. We conducted a whole-genome microarray analysis on the basidiomycete fungus Cryptococcus neoformans to identify light-regulated genes.

2010-04-23 | GSE21484 | GEO

Transcriptome analysis of aneuploid Cryptococcus neoformans strains

Project description:Cryptococcus neoformans lab strain H99 was used to obtain brefeldin A adaptors. Transcriptomes of 4 adaptors, each bearing a unique aneuploid, were compared to H99.

2022-09-29 | E-MTAB-12290 | biostudies-arrayexpress

Transcriptome analysis of one aneuploid Cryptococcus neoformans strain

Project description:Cryptococcus neoformans lab strain H99 was used to obtain tunicamycin adaptors. Transcriptome of one aneuploid adaptor, FY1381, was compared to parent.

2022-10-22 | E-MTAB-12275 | biostudies-arrayexpress

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