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Lateral ventricle SVZ: 3xTg vs WT

ABSTRACT: Transcriptional profiling of the microdissected SVZ from 7-month-old mice Adult neurogenesis is suppressed in the SVZ of 3xTg mice, a model of Alzheimer's disease. To better understand the underlying mechanisms of this suppression, the goals of this experiment were to compare the transcriptional profiles of the SVZ neural stem cell niche in 3xTg-AD mice versus strain controls. We used early middle-aged mice (7-months-old) rather than old mice, in order to identify genetic changes that are not caused secondarily to other degenerative changes occurring in these mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE60460 | GEO | 2015/08/01

SECONDARY ACCESSION(S): PRJNA258324

REPOSITORIES: GEO

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Lateral ventricle SVZ: 3xTg vs WT

Project description:Transcriptional profiling of the microdissected SVZ from 7-month-old mice Adult neurogenesis is suppressed in the SVZ of 3xTg mice, a model of Alzheimer's disease. To better understand the underlying mechanisms of this suppression, the goals of this experiment were to compare the transcriptional profiles of the SVZ neural stem cell niche in 3xTg-AD mice versus strain controls. We used early middle-aged mice (7-months-old) rather than old mice, in order to identify genetic changes that are not caused secondarily to other degenerative changes occurring in these mice. Two-condition experiment, 3xTg vs WT SVZ. Biological replicates: 4 for each.

2015-08-01 | E-GEOD-60460 | biostudies-arrayexpress

Single cell RNA-sequencing of NK cells from control wildtype and 3XTg-AD mice

Project description:The goal of this study is to examine the single-cell transcriptomes of NK cells from the brains of 3XTg-AD and control wildtype mice. The data generated will elucidate the transcriptomal changes of NK cells in the pro-inflammatory microenvironment of mice with Alzheimer's disease pathologies.

2020-06-08 | GSE142853 | GEO

Whole Blood Transcriptome Characterization of 3xTg-AD Mouse and its modulation by transcranial Direct Current Stimulation (tDCS)

Project description:The 3xTg-AD mouse is a widely used model in the study of Alzheimer’s Disease (AD). It has been extensively characterized both from the anatomical and behavioral point of view but poorly studied at the transcriptomic level. For the first time, this study characterizes the whole blood transcriptome of the 3xTg-AD mouse at three and six months of age and evaluates how gene expression is modulated by transcranial direct current stimulation (tDCS). RNA-seq analysis revealed 183 differentially expressed genes (DEGs) that were a direct signature of the genetic background of the mouse. The expression profile of age-related genes in the 3 months-old 3xTg-AD mice was more similar to that of 6 months rather than 3 months-control mice, suggesting a premature aging of the 3xTg-AD mice. Moreover, in the 6 months-old 3xTg-AD mice, we observed a high number of DEGs that could represent good peripheral biomarkers of AD progression. Finally, tDCS was associated with gene expression changes in the 3xTg-AD but not in the control mice. In conclusion, this study provides a better molecular characterization of the 3xTg-AD mouse and suggests that blood gene expression can be used to identify new biomarkers of AD progression and treatments effect.

2021-07-19 | GSE178662 | GEO

Single-cell Sequencing of Microglia following Repopulation Reveals Distinct Clusters and Transcriptomic Signatures in the 3xTg Alzheimer's Disease Model

Project description:In this study, we aimed to deplete the aging microglia and investigate the impact of the newly-born microglia in Alzheimer's pathology using the 3xTg mouse model. Specifically, >24 mo male 3xTg mice were given chow containing 1200mg/kg PLX5622 (AIN-76A-D1001i, Research Diests, NJ, USA) for 2 weeks to deplete their microglia. Control diet with the same base formula were given to control group and to experimental groups during a 4-week repopulation phase immediately following PLX treatment. At the end of the repopulation, we pooled sorted, viable microglia (CD45int CD11b) from 3-5 mice/group and ran single-cell RNAseq analysis to determine the similarities and differences between the aged and repopulated cells in the context of Alzheimer's Disease. We also included non-transgenic controls as a separate group.

2022-02-01 | GSE190607 | GEO

scRNA-sequencing of in vitro cultured ILC2 from the whole brain tissue of 7 months old 3xTg-AD and Control mice.

Project description:ILC2 are potent producers of IL-5 and IL-13 and Th2 cytokines. We have found that 3xTg-AD mice exhibit diminished ILC2 numbers and functionality in the brain barriers. We have found through scRNA-seq that cultured brain ILC2 from 7 months old 3xTg-AD mice expressed significantly less IL-5 ane Areg but increased Gzma and Gzmb.

2021-07-14 | GSE161861 | GEO

Whole hippocampus RNA seq on (SCDi Cayman 10566) and Vehicle (DMSO) in 10 month old WT and 3xTg-AD mice

Project description:RNA was extracted from microdissected hippocampi from 10-month old DMSO or SCDi (Cayman 10566) ICV treated WT or 3xTg-AD mice.

2022-02-25 | GSE189693 | GEO

Single-cell gene expression data from Ventricular-Subventricular Zone (V-SVZ) cells

Project description:We performed large-scale single cell profiling of V-SVZ cells, following separate dissections of the lateral and septal walls of 8-10 week old male and female mice.

2019-01-01 | GSE109447 | GEO

Transcriptomes of Neural Stem and Progenitor Cells from the subgranular zone (SGZ) of Wild Type (NTG) and 3xTg-AD mice at juvenile age

Project description:The goals of this study are to compare transcriptome profiling (RNA-seq) in wild-type (NTG) and 3xTg-AD mice, to determine the transcriptomal changes of neural stem and progenitor cells (NSPC) from the SGZ at early stages of Alzheimer's Disease in a mouse model. Methods: A tamoxifen (TAM)-inducible Nestin-CreERT2;ROSA26-EYFP reporter mouse line was cross-bred with NTG or 3xTG-AD mice to label NSPC upon TAM administration. YFP-positive NSPCs were sorted through FACS (Fluorescence-Activated Cell Sorting) 10 days after TAM from NTG; Nestin-CreERT2;ROSA26-EYFP and 3xTg-AD;Nestin-CreERT2;ROSA26-EYFP mice. RNA was extracted with RNeasy Micro Kit and deep-sequenced on the NovaSeq SP flowcell SR200 platform. The sequence reads of Fastq files that passed quality filters were aligned to the mouse genome (build mm10) using hisat2. Samtools was used to index the BAM files. DESeq2 was used to establish differential gene expression between NTG and 3xTg-AD samples. Results: We mapped about 48 million sequence reads per sample to the mouse genome (build mm10) and identified 1391 genes that were differentially expressed in the 3xTg-AD, with 720 down- and 671 up-regulated. Genes were considered significantly different between two genotypes if they meet the following criteria: 1) adjusted p-value < 0.05, and 2) log2 fold change > 0.5 or < -0.5. Conclusions: Gene ontology analysis of differentially expressed genes uncovered several pathways that may contribute to early neural stem cell decline in the 3xTg mice. Our results revealed very early perturbations in the SGZ neurogenic niche in the 3xTg mouse model of AD, manifested by intrinsic molecular changes in neural stem and progenitor cells (NSPC) at juvenile age, resulting in dysregulated neural stem cell homeostasis.

2023-02-15 | GSE218323 | GEO

Adeno-associated virus (AAV) 9-mediated gene delivery of Nurr1 and Foxa2 cures symptoms and pathologies of Alzheimer disease model mice by suppressing neuro-inflammation and glial pathology.

Project description:In this study, AAV9-Nurr1 and AAV9-Foxa2 (or AAV9-Control as sham-operated control) were injected to hippocampus of 15-18 months old 3xTg Alzheimer's disease mice. And mouse hippocampal glia were primarily cultured at postnatal day 1 and forced expression of Nurr1 and Foxa2 with lentivirus (or lenti-Control).

2022-04-23 | GSE201106 | GEO

RNA-sequencing gene expression data from FACS-purified Ventricular-Subventricular Zone (V-SVZ) and cortical cells from hGFAP::GFP mice.

Project description:Quiescent neural stem cells (NSCs) in the adult ventricular-subventricular zone (V-SVZ) undergo activation and divide to generate neurons and glia. Here we show that Platelet-derived Growth Factor Receptor beta (PDGFRβ) is expressed by quiescent and early activated adult V-SVZ NSCs, and maintains their quiescence. We further showed that selective deletion of PDGFRβ in adult V-SVZ NSCs leads to activation of quiescent NSCs. We performed RNA-seq on FACS-sorted V-SVZ quiescent, early activated and late activated NSCs, as well as cortical cells from adult 2-4 month old mice.

2021-05-01 | GSE118009 | GEO

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