GEO DataSets

(Submitter supplied) The goal of this study is to identify genes differentially expressed between microglia and infiltrating macrophages in the injured retina Methods: mRNA profiles of microglia (Cont) and infiltrating macrophages (GFP) at day 7 post-injry, quadruplicated, were generated by deep-sequencing using Illumina HiSeq 2500 sequencer. Results: RNA-seq tags were mapped to the mouse mm9 reference genome assembly using Tophat2 ver. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

8 Samples

Download data: TXT

(Submitter supplied) Both resident microglia and invading peripheral immune cells can respond to injury and degeneration in the central nervous system. However, after dead and dying neurons have been cleared and homeostasis is re-established, it is unknown whether resident immune cells fully resume normal functions and to what degree the peripheral immune cells take up residence. Using flow cytometry, in vivo retinal imaging, immunohistochemistry, and single-cell mRNA sequencing, we assess resident microglia and monocyte-derived macrophages in the retina during and after the loss of photoreceptors in the Arr1-/- mouse model of inducible degeneration. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL24247

9 Samples

Download data: MTX, TSV

(Submitter supplied) Minocycline is a potent modulator of retinal microglia

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL15103

6 Samples

Download data: TXT

(Submitter supplied) Microglia are brain immune cells that constantly survey their environment to maintain homeostasis. Enhanced microglial reactivity and proliferation are typical hallmarks of neurodegenerative diseases. Whether specific disease-linked microglial subsets exist during the entire course of neurodegeneration, including the recovery phase, is currently unclear. Taking a single-cell RNA-sequencing approach in a susceptibility gene-free model of nerve injury, we identified a microglial subpopulation that upon acute neurodegeneration shares a conserved gene regulatory profile compared to previously reported chronic and destructive neurodegeneration transgenic mouse models. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

16 Samples

Download data: TXT

(Submitter supplied) Purpose. XOPS-mCFP transgenic zebrafish experience a continual cycle of rod photoreceptor development and degeneration throughout life, making them a useful model to investigate the molecular determinants of rod photoreceptor regeneration. The purpose of this study was to compare the gene expression profiles of wild type and XOPS-mCFP retinas in order to identify genes that may contribute to the regeneration of the rods. more...

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL6563

8 Samples

Download data: TXT

(Submitter supplied) The rd1 mouse retina is a well-studied model of retinal degeneration where rod photoreceptors undergo cell death beginning at postnatal day P10 until P21. This period coincides with photoreceptor terminal differentiation in a normal retina. We have used the rd1 retina as a model to investigate early molecular defects in developing rod photoreceptors prior to the onset of degeneration. Using a microarray approach, we performed gene profiling comparing rd1 and wild type retinas at four time points starting at P2, prior to any obvious biochemical or morphological differences, and concluding at P8, prior to the initiation of cell death. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS4510

Platform:

GPL339

32 Samples

Download data: CEL, TXT

Analysis of rd1 retinas starting at P2 (prior to obvious biochemical/morphological differences) and ending at P8 (early degenerative changes present, but prior to onset of rod photoreceptor cell death). Results provide insight into molecular mechanisms underlying photoreceptor development.

Organism:

Mus musculus

Type:

Expression profiling by array, transformed count, 4 age, 2 genotype/variation sets

Platform:

GPL339

Series:

GSE41821

32 Samples

Download data: CEL

(Submitter supplied) In many forms of retinal degenerative diseases in human, microglia relocate to and accumulate in the subretinal space. However, the roles of microglia in retinal degeneration are poorly understood. By leveraging single cell RNA-seq, we identified a distinct microglia subtype in the subretinal space. These microglia underwent transcriptional reprogramming characterized by reduced expression of homeostatic checkpoint genes and upregulation of injury-responsive genes. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL21103

2 Samples

Download data: MTX, TSV

(Submitter supplied) Neuroinflammation commonly accompanies neurodegeneration, but the specific roles of resident and infiltrating immune cells during degeneration remains controversial. Much of the difficulty in assessing myeloid cell-specific functions during disease progression arises from the inability to clearly distinguish between activated microglia and bon e marrow-derived monocytes and macrophages in various stages of differentiation and activation within the central nervous system. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19057

2 Samples

Download data: MTX, TSV

(Submitter supplied) The Fosb gene encodes subunits of the activator protein-1 transcription factor complex. Two mature mRNAs, Fosb and ΔFosb, encoding full-length FOSB and ΔFOSB proteins respectively, are formed by alternative splicing of Fosb mRNA. Fosb products are expressed in several brain regions. Moreover, Fosb-null mice exhibit depressive-like behaviors and adult-onset spontaneous epilepsy, demonstrating important roles in neurological and psychiatric disorders. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

6 Samples

Download data: CEL, CHP

(Submitter supplied) In order to evaluate the gene expression profile of retinal microglia cells in different age, we purified CD11b-positive microglia from the retinas of wild type C57BL/6 mice at 3, 12, 18, and 24 months age using cell sorting method with flow cytometry. Age-related genes from isolated retinal microglia were performed using 16 Affymetrix GeneChips of Mouse Exon 1.0ST Arrays. Gene expression level between consecutive age groups (i.e. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6096

16 Samples

Download data: CEL

(Submitter supplied) Determination of the mechanism by which microglia regulate growth of brain tumor initiating cells (BTICs) and differentiation. Results identify the factors involved in the regulation and provide mechanistic basis. We subjected brain tumor initiating cells to microarray to determine the genes involved in BTICs growth and differentiation when exposed to microglia conditioned medium (MCM) for 6h.

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

7 Samples

Download data: CEL

(Submitter supplied) Mice deficient in NRROS exhibit neurological phenotype similar to ALS. Our previous work showed that in phagocytes, NRROS regulates the degradation of Nox2, the enzymatic component of the NADPH oxidase that generates reactive oxygen species. NRROS is expressed in phagocytes, including macrophages, neutrophils and microglia but not neurons. Previous results on RNA-sequencing from WT and NRRO KO CD11b+ population (NGS601) identified perivascular macrophage (pvm)-like expression profile in NRROS KO cells. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

9 Samples

Download data: TAB

(Submitter supplied) Mice deficient in NRROS exhibit neurological phenotype similar to ALS. Our previous work showed that in phagocytes, NRROS regulates the degradation of Nox2, the enzymatic component of the NADPH oxidase that generates reactive oxygen species. NRROS is expressed in phagocytes, including macrophages, neutrophils and microglia but not neurons. Keywords: Expression profiling by high throughput sequencing

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

20 Samples

Download data: TAB

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

29 Samples

Download data: TAB

(Submitter supplied) Although most tissue macrophages are embryonically derived it is evident that circulating monocytes can compete for virtually any macrophage niche. Monocytes can thus become long-lived replacements of tissue macrophages that are indistinguishable from their embryonic counterparts, but the factors regulating this process are incompletely understood. To study niche competition in the CNS we depleted microglia with >95% efficiency using CX3CR1CreER/+R26DTA/+ mice and monitored long-term repopulation. more...

Organism:

Mus musculus; Homo sapiens

Type:

Methylation profiling by array

Platform:

GPL23976

25 Samples

Download data: IDAT

(Submitter supplied) Although most tissue macrophages are embryonically derived it is evident that circulating monocytes can compete for virtually any macrophage niche. Monocytes can thus become long-lived replacements of tissue macrophages that are indistinguishable from their embryonic counterparts, but the factors regulating this process are incompletely understood. To study niche competition in the CNS we depleted microglia with >95% efficiency using CX3CR1CreER/+R26DTA/+ mice and monitored long-term repopulation. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL17400

31 Samples

Download data: CEL

(Submitter supplied) Vasoregression is a hallmark of vascular eye diseases but the mechanisms involved are still largely unknown. We have recently characterized a rat ciliopathy model which develops primary photoreceptor degeneration and secondary vasoregression. To improve the understanding of secondary vasoregression in retinal neurodegeneration, we used microarray techniques to compare gene expression profiles in this new model before and after retinal vasoregression. more...

Organism:

Rattus norvegicus

Type:

Expression profiling by array

Dataset:

GDS3846

Platform:

GPL1355

12 Samples

Download data: CEL

Analysis of retina from PKD-2-247 (TGR) males at 1 and 3 months of age (i.e., before and after retinal vasoregression). The TGR model develops primary photoreceptor degeneration and secondary vasoregression. Results provide insight into molecular mechanisms underlying development of vasoregression.

Organism:

Rattus norvegicus

Type:

Expression profiling by array, transformed count, 2 age, 2 genotype/variation, 2 strain sets

Platform:

GPL1355

Series:

GSE20967

12 Samples

Download data: CEL

(Submitter supplied) Microglia, the resident immune cells of the central nervous system (CNS), have two distinct phenotypes in the developing brain: amoeboid form, known to be amoeboid microglial cells (AMC) and ramified form, known to be ramified microglial cells (RMC) alongside several intermediate forms. The AMC are characterized by being proliferative, phagocytic and migratory whereas the RMC are quiescent and exhibit a slow turnover rate. more...

Organism:

Rattus norvegicus

Type:

Expression profiling by array

Platform:

GPL1355

6 Samples

Download data: CEL, TXT