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ScRNA-sequencing of colon and dura CD45+ cells following Salmonella infection

ABSTRACT: Single cell sequencing of colon and dura tissue CD45 cells in an orally-primed, intravenously recalled S.typhimurium-2W1S mouse infection model.

ORGANISM(S): Mus musculus

PROVIDER: GSE233489 | GEO | 2026/07/01

REPOSITORIES: GEO

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scRNA-sequencing of colon and dura CD45+ cells following Salmonella infection

Project description:scRNA-sequencing of colon and dura CD45+ cells following Salmonella infection

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Single-cell RNA-sequencing of CD45+ cells isolated from mouse dura mater or brain after photothrombotic injury

Project description:To further elucidate molecular differences in immune cells and identify potential sources of Vegfa in response to photothrombotic injury, we performed single-cell RNA-sequencing of CD45+ cells isolated from the mouse dura mater or brain after photothrombotic injury.

2020-05-18 | GSE145973 | GEO

Single cell RNA sequencing of dura leukocytes

Project description:Over 8000 high-qualified CD45IV-DAPI-CD45+ dura cells were sorted for single cell RNA sequencing; 13 cell populations were identified, Including T cells, B cells ,NK cells, monocytes, erythroid cells, and progenitors.

2022-11-08 | GSE185626 | GEO

CD45+ vs CD45- RCC proteome characterization

Project description:Exploration of proteome differences between CD45+ and CD45- cell types in renal cell carcinoma tumors and normal adjacent tissue patient samples.

2020-10-14 | PXD014370 | Pride

Single cell RNA-seq analysis of the transcriptomic profiles of endothelial cells and immune cells from the brain, spinal cord (SC), dorsal cranial dura, and spinal dura of naïve and EAE mice at the onset and peak of the disease

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2023-04-12 | GSE168202 | GEO

Differential gene expression between juvenile and adult dura mater

Project description:BACKGROUND: Although reossification of large calvarial defects is possible in children, adults lack this tissue engineering capacity. In this study, the authors compared the differences in gene expression between juvenile and adult dura mater using a mouse cDNA microarray with 42,000 unique elements. METHODS: Non-suture-associated parietal bone was harvested from 6-day-old and 60-day-old mice. The dura mater was carefully dissected from the calvarial disk and snap-frozen. RNA was extracted from pooled dura mater for microarray analysis. The 25 most differentially expressed genes were listed, as were selected bone-related genes. In addition, quantitative real-time reverse-transcriptase polymerase chain reaction confirmation of selected genes-BMP-2, BMP-4, and BMP-7; and osteopontin (OP), osteocalcin (OC), and FGFR-1-was performed. : Juvenile dura mater expressed significantly greater amounts of BMP-2 and OP. Minimal difference in OC expression was observed between juvenile and adult dura mater. Extracellular matrix proteins (Col3a1, 5a1, 6a1, and fibronectin 1), osteoblast differentiation markers (Runx2/Cbfa1, Itm2a, and FGFR-1), and the growth factor Ptn were among other genes with greater expression in juvenile dura mater. Markers of osteoclasts (Acp5, MMP9, Ctsk) and the multiple candidate gene Ntrk2 were also expressed at higher levels in the juvenile dura mater. CONCLUSIONS: These findings suggest a more differentiated osteoprogenitor population to exist along with a greater presence of osteoclasts in the juvenile dura mater relative to adults. In addition to establishing a baseline difference in gene expression between juvenile and adult dura mater, new genes potentially critical to the regenerative potential of juvenile calvaria were identified. Set of arrays organized by shared biological context, such as organism, tumors types, processes, etc. Keywords: Logical Set

2006-10-03 | GSE5950 | GEO

Single-cell RNA-sequencing of CD45+ cells isolated from mouse dura mater or brain after photothrombotic injury

Project description:Single-cell RNA-sequencing of CD45+ cells isolated from mouse dura mater or brain after photothrombotic injury

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Transcription profiling of mouse adult and juvenile dura mater (bone) to explore the reossification of large calvarial defects during development

Project description:BACKGROUND: Although reossification of large calvarial defects is possible in children, adults lack this tissue engineering capacity. In this study, the authors compared the differences in gene expression between juvenile and adult dura mater using a mouse cDNA microarray with 42,000 unique elements. METHODS: Non-suture-associated parietal bone was harvested from 6-day-old and 60-day-old mice. The dura mater was carefully dissected from the calvarial disk and snap-frozen. RNA was extracted from pooled dura mater for microarray analysis. The 25 most differentially expressed genes were listed, as were selected bone-related genes. In addition, quantitative real-time reverse-transcriptase polymerase chain reaction confirmation of selected genes-BMP-2, BMP-4, and BMP-7; and osteopontin (OP), osteocalcin (OC), and FGFR-1-was performed. RESULTS: Juvenile dura mater expressed significantly greater amounts of BMP-2 and OP. Minimal difference in OC expression was observed between juvenile and adult dura mater. Extracellular matrix proteins (Col3a1, 5a1, 6a1, and fibronectin 1), osteoblast differentiation markers (Runx2/Cbfa1, Itm2a, and FGFR-1), and the growth factor Ptn were among other genes with greater expression in juvenile dura mater. Markers of osteoclasts (Acp5, MMP9, Ctsk) and the multiple candidate gene Ntrk2 were also expressed at higher levels in the juvenile dura mater. CONCLUSIONS: These findings suggest a more differentiated osteoprogenitor population to exist along with a greater presence of osteoclasts in the juvenile dura mater relative to adults. In addition to establishing a baseline difference in gene expression between juvenile and adult dura mater, new genes potentially critical to the regenerative potential of juvenile calvaria were identified.

2006-11-06 | E-SMDB-3845 | biostudies-arrayexpress

The dura mater acts as an autonomous B cell niche supporting immune responses during chronic Trypanosoma brucei infection

Project description:The dura mater hosts a rich population of B cell progenitors, yet its capacity to sustain B cell development during systemic lymphopenia remains unclear. Using Trypanosoma brucei infection, which induces peripheral B cell depletion, we demonstrate that the murine dura mater maintains intact B cell lymphopoiesis independently of bone marrow and spleen. We performed a comparative single cell transcriptomic profiling of the calvaria bone marrow, femur bone marrow, and dura mater from naive and Trypanosoma brucei-infected female mice. The sequencing rendered high quality data from the calvaria bone marrow and the dura mater, but the femur bone marrow failed to generated reliable data and was thus excluded from downstream analyses. This data is single-cell RNA sequencing using Parse Biosciences Evercode Whole Transcriptome combinatorial barcoding

2026-02-04 | E-MTAB-16521 | biostudies-arrayexpress

Identification of direct connections between the dura and the brain

Project description:The arachnoid barrier delineates the border between the central nervous system and dura mater. Although the arachnoid barrier creates a partition, communication between the central nervous system and the dura mater is crucial for waste clearance and immune surveillance. How the arachnoid barrier balances separation and communication is poorly understood. Leveraging transcriptomic data, we developed novel transgenic mice to examine specific anatomical structures that serve as routes across the arachnoid barrier. Bridging veins create discontinuities where they cross the arachnoid barrier, forming structures that we termed arachnoid cuff exit (ACE) points. The openings that ACE points create allow the exchange of fluids and molecules between the subarachnoid space and the dura, enabling the drainage of cerebrospinal fluid and limited entry of molecules from the dura to the subarachnoid space. In healthy human volunteers, MRI tracers transit along bridging veins in a similar fashion to access the subarachnoid space. Interestingly, in neuroinflammatory conditions such as experimental autoimmune encephalomyelitis, ACE points also allow cellular trafficking, representing a previously unknown route for immune cells to directly enter the subarachnoid space from the dura mater. Collectively, our results indicate that ACE points are a critical part of the anatomy of neuroimmune communication in both mice and humans that links the central nervous system with the dura and its immunological diversity and waste clearance systems.

2023-11-30 | GSE213895 | GEO

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