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Effect of bergapten gel on IMQ mice back skin

ABSTRACT: effect of bergapten gel on IMQ mice back skin

PROVIDER: PRJNA853384 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19879029_1.fastq.gz	Fastqsanger.gz
	SRR19879029_2.fastq.gz	Fastqsanger.gz
	SRR19879030_1.fastq.gz	Fastqsanger.gz
	SRR19879030_2.fastq.gz	Fastqsanger.gz
	SRR19879031_1.fastq.gz	Fastqsanger.gz

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effect of bergapten gel on IMQ mice back skin

Project description:We then performed gene expression profiling analysis using data obtained from RNA-seq of 9 skin tissues including 3 per group in vaseline-treated group, imq model group and bergapten-gel-treated imq model group.

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Microarray expression data from P50 mouse full thickness back skin of C57BL/6 mice - various durations of IMQ treatment and timepoints.

Project description:Imiquimod (IMQ) is a topical therapeutic immune activator that causes psoriasiform inflammation in mice. To determine if IMQ-induced inflammation and gene expression changes depended on the time of day in which treatment is administered, we performed gene expression profiling of dorsal mouse back skin by microarray after different durations of topical 1% IMQ treatment (control = no treatment, 6 hr, 24 hr, and 5 days of IMQ treatment) at different times of day (ZT01, ZT07, ZT09 = day-time treatment; ZT13 and ZT19 = night-time treatment). We also performed a time course after IMQ treatment by collecting mouse back skin after 0 (no treatment), 1, 2, 4, 6, and 24 hours post-treatment. Lastly, we determined gene expression changes in response to IMQ in mice deleted for the core circadian clock gene, Bmal1, after 0 (no treatment) and 24 hours post-1% IMQ compared to Wt (both treated and collected during the daytime at ZT09). The results of this study are important as they show that IMQ-induced activation of interferon sensitive genes are diurnal in Wt mice after 6 hours and 24 hours but not after 5 consecutive treatments. Furthermore, we find that interferon sensitive genes are induced more robustly in the skin of Bmal1 KO mice after 24 hr IMQ compared to Wt mice. These results are important for further understanding how the circadian clock regulates immune activation in response to the theraputic agent IMQ. In this dataset, we include the expression data obtained from 28 microarray samples, all of which were generated from whole back skin RNA samples pooled from 5-7 mice per sample.

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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

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RNA-seq of untreated and IMQ treated mouse back skin in control and Ovol1 deficient mice

Project description:RNA-seq of untreated and IMQ treated mouse back skin in control and Ovol1 deficient mice

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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).

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Project description:RNA-seq of skin of vehicle-treated, IMQ-treated, IMQ+rYopM-treated and IMQ+rYopM_LRR1-3 treated mice.

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