Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Expression data from mouse abdominal skin

ABSTRACT: Psoriasis-like skin inflammation was indused by 5 daily topical applications of imiquimod (IMQ), a TLR7/8 agonist, or vehicle, in mice fed a high fat diet (HFD) or control chow diet (CD). Skin samples were collected at day 6.

ORGANISM(S): Mus musculus

PROVIDER: GSE68750 | GEO | 2019/06/30

REPOSITORIES: GEO

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
		Other

Items per page:

1 - 1 of 1

Similar Datasets

Expression data from Imiquimod-induced psoriasis mouse model

Project description:Psoriasis is a chronic inflammatory skin disorder that is predominantly characterized by sharply demarcated chronic erythematous plaques. Although its etiological mechanisms are largely unknown, recent evidence suggests that the topical application of imiquimod (IMQ) cream causes psoriasis-like skin inflammation in humans and mice. Skin examined 4 hours after IMQ cream treatment. Results provide insight into the role of each knockout mice phenotype in the response to IMQ-induced psoriasis model.

2017-10-06 | GSE104603 | GEO

Expression data from IMQ-induced psoriasis-like skin inflammation in miR-146a-/- and C57BL6J mice

Project description:miR-146a acts as a negative feedback regulator of inflammation. To investigate the role of miR-146a in psoriasis psoriasiform skin inflammation was indeuced in Mir-146a-/- and wild type mice (C57BL6J) by topical applciation of imiquimod (IMQ)-cream (Aldara). Gene expression profiling (Affymetrix) was used to identify transcriptomic changes associated with psoriasis-like skin inflammation in wild type vs. miR-146a -/-mice. A daily topical dose of 31.25 mg of Aldara cream (5% IMQ) was applied on the right ear of miR-146a -/- and C57BL/6 mice on three consecutive days to induce psorisis-like skin inflammation. Mice were sacrificed at day 4. Ear flaps were collected for total RNA extraction and hybridization on Affymatrix GeneTitan plate format Gene ST 2.1 (mouse).

2016-02-19 | E-GEOD-78057 | biostudies-arrayexpress

Expression data from IMQ-induced psoriasis-like skin inflammation in miR-146a-/- and C57BL6J mice

2016-02-19 | GSE78057 | GEO

Expression data from classical dendritic cells isolated from mouse lymph nodes

Project description:Dendritic cells increase expression of pro-inflammatory cytokines and chemokines and undergo metabolic reprogramming upon TLR activation. Mice fed conventional diet (CD) or 60% high-fat diet (HFD) were treated by skin application of imiquimod (IMQ) during 6 days and classical dendritic cells (cDC) were isolated from inguinal lymph nodes (iLN) to reveal inflammatory and metabolic pathways that are sensitive to TLR7/8 activation and a high fatty acid environment. We used microarray to identify pathways in classical dendritic cells from IMQ-treated mice that link inflammation and metabolism in a high fatty acid environment.

2019-06-30 | GSE110963 | GEO

RNA-seq analysis of IMQ-treated wt and Trex2-/- skin

Project description:TREX2 is a keratinocyte specific 3â-deoxyribonuclease that participates in the maintenance of skin homeostasis upon damage. This transcriptome analysis identified multiple genes and pathways deregulated by TREX2 loss in the IMQ-induced psoriasis-like model in mouse skin. mRNA sequencing of 5 biological replicates of skin from wild-type mice treated with Imiquimod and 6 of Trex2 knockout mice treated with Imiquimod

2016-09-07 | E-GEOD-74528 | biostudies-arrayexpress

Epigenetic silencing of SFRP4 contributes to epidermal hyperplasia in psoriasis

Project description:To investigate the gene expression of imiquimod induced psoriasis-like mouse model, we have employed whole genome microarray as a discovery platform to identify genes differentially expressed compared with wild type C57BL6 mouse exposed to the vehicle of imiquimod. C57BL/6J mice at 6 to 8 weeks of age were applied to a daily topical dose of 62.5 mg of IMQ cream (5%) on the shaved back for 7 consecutive days. Control mice were treated with a same dose of vehicle cream.The total RNA was extracted by using TRIzol.

2014-08-28 | E-GEOD-60804 | biostudies-arrayexpress

Calcium/calmodulin-dependent protein kinase IV promotes imiquimod-induced psoriatic inflammation via macrophages and keratinocytes in mice

Project description:CaMK4 has an important function in autoimmune diseases, and the contribution of CaMK4 in psoriasis remains obscure. Here, we show that CaMK4 expression is significantly increased in psoriatic lesional skin from psoriasis patients compared to healthy human skin as well as inflamed skin from an imiquimod (IMQ)-induced mouse model of psoriasis compared to healthy mouse skin. Camk4-deficient (Camk4−/−) mice treated with IMQ exhibit reduced severity of psoriasis compared to wild-type (WT) mice. There are more macrophages and fewer IL-17A+γδ TCR+ cells in the skin of IMQ-treated Camk4−/− mice compared to IMQ-treated WT mice. CaMK4 inhibits IL-10 production by macrophages, thus allowing excessive psoriatic inflammation. Deletion of Camk4 in macrophages alleviates IMQ-induced psoriatic inflammation in mice. In keratinocytes, CaMK4 inhibits apoptosis as well as promotes cell proliferation and the expression of pro-inflammatory genes such as S100A8 and CAMP. Taken together, these data indicate that CaMK4 regulates IMQ-induced psoriasis by sustaining inflammation and provides a potential target for psoriasis treatment.

2022-05-28 | GSE204832 | GEO

Oral administration of vanillin improves imiquimod-induced psoriatic skin inflammation in mice: the involvement of interleukin-23/interleukin-17 axis

Project description:Vanillin is one of the most widely used flavouring products worldwide. Psoriasis is a chronic inflammatory skin disorder. Here we analyzed the effect of vanillin on imiquimod (IMQ)-induced psoriatic skin inflammation in mice.

2020-07-07 | GSE101177 | GEO

TLR7-dependent eosinophil degranulation links psoriatic skin inflammation to small-intestinal inflammatory changes

Project description:Increased intestinal permeability can exacerbate psoriasis, a systemic inflammatory disease with complex pathogenesis. Using a mouse model of psoriasis elicited by the TLR7 ligand imiquimod, we found that psoriatic dermatitis was accompanied by small-intestinal inflammatory changes associated with eosinophil degranulation which led to impaired intestinal barrier integrity. Inflammatory responses in the skin and small intestine were accelerated in mice that are prone to eosinophil degranulation. Caco-2 human intestinal epithelial cells treated with media containing eosinophil granule proteins exhibited signs of inflammation and damage. Imiquimod-induced skin and intestinal inflammatory changes were attenuated in eosinophil-deficient mice, and this attenuation was counteracted by eosinophil transfer. Imiquimod levels and eosinophil distribution were positively correlated in the intestine. TLR7-deficient mice did not show intestinal eosinophil degranulation and exhibited attenuated skin and small-intestinal inflammation following imiquimod application. These results suggest a TLR7-dependent bidirectional skin-to-gut communication in psoriatic inflammation, and that intestinal inflammatory changes can accelerate psoriasis.

2024-04-30 | GSE237610 | GEO

RNA sequencing and metabolic analysis of imiquimod-induced Psoriasis-like mice with Chronic restrain stress

Project description:Psoriasis is one of the most common dermatological disorders, characterized by increased epidermal hyperplasia and immune cell infiltration. Psychological stress has been reported to contribute to the severity, aggravation, and relapse of psoriasis. We developed a chronic restrain stress (CRS)-imiquimod (IMQ)-induced psoriasis-like mouse model and performed a comprehensive comparative transcriptomic and metabolic analysis with control mice, CRS-treated mice, and IMQ-treated mice to investigate how psychological stress affects psoriasis. We found that CRS-IMQ-induced psoriasis-like mice showed significant exacerbation of psoriasis-like skin inflammation compared with mice treated with IMQ only. Mice of the CRS+IMQ group showed increased expression of keratinocyte proliferation and differentiation genes, differential regulation of cytokines, and promotion of the linoleic acid metabolism. Our study provides new insights into the effects of psychological stress on psoriasis pathogenesis and the mechanisms involved, which provides clues for development of therapeutics or biomarkers.

2022-12-31 | GSE212126 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data